US20070044416A1 - Cover or wall profile - Google Patents
Cover or wall profile Download PDFInfo
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- US20070044416A1 US20070044416A1 US11/525,536 US52553606A US2007044416A1 US 20070044416 A1 US20070044416 A1 US 20070044416A1 US 52553606 A US52553606 A US 52553606A US 2007044416 A1 US2007044416 A1 US 2007044416A1
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- Prior art keywords
- longitudinal
- wall
- panel
- strip
- profile system
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/18—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/025—Non-undercut connections, e.g. tongue and groove connections with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
- E04F2203/04—Specially structured or shaped covering, lining or flooring elements not otherwise provided for comprising a plurality of internal elongated cavities arranged in substantially parallel rows
Definitions
- cover profile systems comprise elongated elements, at first only in the form of solid wooden boards, but later on also in the form of hollow or solid profiles made from other materials.
- the boards or profiles are provided with a tongue and groove for fitting them into each other, wherein the tongue is provided with holes for passing an attachment means through, such as a nail or screw.
- the attachment holes form a point of leakage through which water is able to penetrate the construction parts lying below or behind them or the underlying space.
- An example of this is a cover arranged on a wooden balcony, wherein water is able to seep down between the boards or profiles, through the balcony to the residence or parking space situated below it.
- a cover profile system for forming a walking surface, roof surface, decking, siding, wall surface or wall, or the like, comprising a plurality of generally flat, elongated hollow profile bodies, or panels, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having holes for attachment to an underlying base, wherein the second longitudinal edge is provided with a space for accommodating an edge area of the first longitudinal strip of a matingly engaged profile body, wherein one of either longitudinal edges is provided with a second longitudinal strip, which at the side of the first strip that faces the first wall, extends over the first strip to at least at an opposite longitudinal wall of the opposite longitudinal edge.
- the first wall is an upper wall and the second wall is a lower wall.
- the first wall is an outer wall and the second wall is an inner wall.
- planar means planar profiles that would be considered as having their major dimension in one direction and, therefore, includes surfaces such as corrugated surfaces.
- Applicant has sought a way to make certain that the installation personnel always position the boards or planks in the correct distance to each other, allowing the wood-resin composite products to expand in the traverse; i.e. side to side, direction without damaging or buckling the product.
- Applicant has now improved on the system described and illustrated in the earlier U.S. patent application Ser. No. 10/801,491 filed Mar. 16, 2004 by configuring the space for accommodating the edge area of the first longitudinal strip of a matingly engaged profile body as a groove to also accommodate a resilient member.
- the resilient member helps to avoid incorrect installation by inexperienced workers and also makes possible traverse expansion of the adjacent profile panels to prevent damage or buckling caused by change in moisture content of the wood fibres.
- the improved system described herein provides for the second longitudinal strip, which at the side of the first strip that faces the first wall, to extend over the first longitudinal strip into a space.
- that space can also contain a resilient member.
- This embodiment of the invention provides for a resilient member such as a foam strip that provides expansion possibility in the width direction.
- the same advantages from the standpoint of resistance against penetration by water are obtained. Due to the arrangement of the second longitudinal strip extending over the first strip of an adjacent profile into or in abutment against an imaginary longitudinal plane in the longitudinal wall of the adjacent profile that is perpendicular to the first and second wall, this results in covering of the first strip provided with the attachment holes.
- This arrangement of parts largely prevents water from entering the attachment holes so that the underlying construction space is kept free from the leakage of water. As also pointed out in the earlier application, this arrangement also prevents dirt from entering and accumulating there, which would affect the construction parts.
- the strip of flexible and resilient material such as foam, located in the groove space to matingly receive the first longitudinal strip, is partly compressed during and after installation to assure a snug fit between adjacent panels.
- the stiffness and dimensioning of the resilient member or strip is so chosen that this will hardly undergo a compression when the boards are installed but with the high expansion forces that may occur later will certainly do so, preventing buckling at a later stage, which may take place with conventional compositions due to lack of expansion possibilities between boards.
- the opposite longitudinal wall is provided with a first opening for accommodating the second longitudinal strip of an adjacent profile, which further improves the shielding of the attachment holes.
- the first opening extends about the second longitudinal strip preferably with little play that allows an ingoing and outgoing motion.
- the said first opening has a space for accommodating the resilient member described herein. A relative expanding motion between both adjacent cover profiles is thus made possible after installation, in a direction traverse to the direction of the longitudinal edges, in a plane parallel to the first and second walls.
- the first opening is arranged in a first substantially raised longitudinal wall.
- the opening inwardly opens into a first longitudinal chamber, that may be tight fitting or widened, particularly widened in downward direction.
- the longitudinal chamber can be filled or partially filled with the flexible and deformable material, such as foam, which is then partially compressed when the second longitudinal strip is positioned into the longitudinal chamber during installation.
- the longitudinal chamber can be fitted with the resilient member instead of in the groove of the adjacent profile.
- first longitudinal chamber is bounded by an inwardly recessed portion of the first longitudinal wall.
- first longitudinal wall will continue to form a unity with the first and second walls, which is advantageous to the stability and the manufacturing process.
- said longitudinal chamber can be used for discharge therein of water discharged from the second longitudinal strip of an adjacent profile, when the latter is not completely tight fitting into the second opening.
- the second longitudinal strip is formed at the second longitudinal edge, which results in a system having two longitudinal strips positioned above one another, but oriented in opposite directions, which further improves the shielding of the attachment holes.
- the space for accommodating the first longitudinal strip is formed by a second opening in the adjacent profile.
- the second opening is defined by a groove formed in the second longitudinal edge, which groove is bounded by groove walls.
- the first longitudinal strip fits into this groove and abuts the resilient member fitted into the space formed by the groove walls of the adjacent profile.
- the degree of penetration of the first longitudinal strip or tongue within the groove of the adjacent profile is determined by the resiliency of the resilient member contained therein. A correct positioning of the profile bodies during installation is thus facilitated.
- the second longitudinal strip extends in line with the uppermost groove wall.
- Insertion of the first longitudinal strip into the groove of an adjacent panel is enhanced when the first longitudinal strip is provided with a pilot edge at the side that faces the bottom side.
- first and second longitudinal edge together with the second longitudinal strip form an upwardly opening channel.
- first wall and the second wall a number of partitions are formed for defining a number of longitudinal chambers. This also improves the heat-insulation properties.
- the first wall has a generally flat top surface which preferably is provided with an integrally formed texture.
- This texture can not only offer improved grip to the user's feet, but also can provide a woody look.
- the texture can be formed by a number of parallel oriented longitudinal grooves, for instance having a depth in the order of less than 0.5 mm to 2 mm or more. Additionally or alternatively the texture may comprise small fine longitudinal grooves, for instance having a depth in the order of 0.1 mm, and preferably being irregularly shaped and/or limited in length and/or at an acute angle to the longitudinal direction of the profile body.
- any suitable surface texture, embossing or brushing can be applied to the profiles of this invention to give a wood grain look to the products.
- the second wall can be provided with longitudinal grooves, optionally the lower or inner side of the second longitudinal strip as well.
- the profile body is formed through extrusion from a composite material of a thermoplastic polymer containing cellulose fibres.
- the content of cellulose fibres preferably is more than 50% by weight, more preferably at least 70% by weight, most preferably 70-80% by weight.
- Such composite material has the appearance of wood. In this way, the need for an add-on layer that provides a wood-like appearance afterwards, as is often done in the conventional manufacture of known synthetic siding profiles, can be dispensed with. This is particularly the case when the aforementioned texture is present on the top surface of the composites of the present invention.
- the strength and the wood-like appearance is further enhanced when the cellulose fibres comprise a quantity of relatively short, randomly oriented fibres, as well as a quantity of relatively long fibres that are oriented in profile direction, as described in applicant's U.S. Pat. No. 6,929,841 which is relied on and incorporated herein by reference, and corresponding to other products of the applicant that have been registered under the trade name TECH-WOOD®.
- the short fibres have a length in the range of 0.2-2 mm and the long fibres have a length in the range of 2-8 mm, preferably 4-6 mm.
- the average length of the short fibres is shorter than the average length of the long fibres.
- the improved profile systems of the present invention can be used for forming a walking surface, roof surface, wall surface, wall or retaining element, or the like, and comprise a plurality of essentially flat elongated hollow profile bodies, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having holes for attachment to a base surface.
- the second longitudinal edge is provided with an opening for accommodating an edge area of a first longitudinal strip of the adjacent profile.
- the edge area of the first longitudinal strip is accommodated into a groove like space which contains a resilient member.
- the invention provides a cover profile system for forming a walking surface, roof surface, wall surface, wall or retaining element, comprising a plurality of flat elongated hollow profile bodies, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip serving as a tongue and the second longitudinal edge is provided with an opening serving as a groove for holding the resilient member in place and for accommodating an edge area of the first longitudinal strip of an adjacent profile.
- the groove is fitted with a resilient member such as foam.
- the short fibres have a length in the order of 0.2-2 mm and the long fibres have a length in the order of 2-8 mm, preferably 4-6 mm.
- the hollow and single wall structures of the present invention can be used to form a floor, roof or wall constructed using a cover profile system as described herein.
- a panel for use in a cover profile system for forming a walking surface, roof surface, wall surface, wall member, retaining wall or the like comprising a generally flat, elongated profile body, having at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having at least one hole for attachment means, wherein said second longitudinal edge is provided with a space for accommodating an edge area of a first longitudinal strip of a second panel to be located in an adjacent position, said space containing a resilient member, wherein the second longitudinal edge of said panel is provided with a second longitudinal strip, which when in mating engagement with an adjacent panel, extends over a first longitudinal strip of said adjacent panel towards at least an oppositely located longitudinal wall of said adjacent panel when in mating engagement therewith.
- the present invention provides a profile system for forming a walking surface, roof surface, wall surface, wall or retaining element comprising a plurality of generally flat elongated profile bodies, each comprising at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip serving as a tongue and the second longitudinal edge is provided with an opening serving as a groove and containing in said groove a resilient member and for accommodating an edge area of the first longitudinal strip, wherein the profile bodies have been formed through extrusion from a composite material of a thermoplastic polymer containing cellulose fibres.
- FIGS. 3A and 3B show details in cross-section at the location of both longitudinal edges of the profile part according to FIGS. 1 and 2 and illustrate two different locations and positions for the resilient member;
- FIG. 5 is a cross-section view and shows two profile parts in an alternative embodiment, in joined condition and show the position and location of the resilient members;
- the above-mentioned wall member 8 is not continued into the lower wall 3 but ends at a distance below the pendant wall member 8 a in order to form an opening or slit 7 extending in the longitudinal direction, which opening or slit is bounded in the downwards direction by a raised edge 9 formed in the lower wall 3 , at the location of the beginning of the first longitudinal strip 11 .
- Longitudinal chamber 6 can be fitted to contain the resilient member 70 , which permits expansion of the system when in place and prevents any tendency to buckle or catastrophically separate.
- the profile parts 100 and 200 are made of the same material as profile part 1 . They have an upper wall 102 , 202 and an inner wall 103 , 203 , a first longitudinal edge 104 , 204 and a second longitudinal edge 105 , 205 , in between which longitudinal chambers 106 , 206 have been defined.
- the first longitudinal edge 104 , 204 is provided with a first longitudinal strip 111 , 211 , having raised end lip 113 , 213 .
- attachment holes 110 , 210 have been made for nails and screws and the like, and namely in the portions 112 , 212 thereof, which however are situated at a distance above the lower surface 103 A, 203 A, raised by means of, for example, longitudinal legs 117 , which have been provided with support surfaces 119 , 219 for abutment against an undersurface.
- the outer wall 102 , 202 is extended with the second longitudinal strip 136 , 236 , which also forms a continuation of the uppermost groove wall, and at the end is provided with a downward stop 134 , 234 , as a result of which a substantially sealing stop against the top surface 102 a, 202 a of the adjacent profile part 100 , 200 is obtained.
Abstract
A cover profile system for forming a walking surface, roof surface, wall, wall surface or retaining wall, which is formed from a plurality of generally flat, elongated hollow profile bodies, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having holes for attachment, wherein one of either longitudinal edges is provided with a second longitudinal strip, which at the side of the first strip that faces the first wall, extends over the first strip to at least the opposite longitudinal edge. Resilient members are provided between adjacent profile panels to avoid incorrect installation by installers and to enable traverse expansion to avoid damage or buckling of the product.
Description
- This application claims the benefit of Netherlands patent application NL 1022956 filed Mar. 18, 2003, and U.S.
provisional application 60/459,815, filed Apr. 2, 2003, and is a continuation in part of U.S. patent application Ser. No. 10/801,491, filed Mar. 16, 2004, all of which are relied on and incorporated herein by reference. - The invention relates to an improved cover or cladding profile or section system for forming a variety of structures such as decking, roof and floor surfaces or siding, walls, a wall surface or a retaining wall. More particularly, the present invention relates to an improvement whereby a resilient member is placed at selected locations in the profile to avoid incorrect installation of the profiles and to enable traverse; i.e., side to side, expansion caused by initial moisture uptake of wood fibres.
- Known cover profile systems comprise elongated elements, at first only in the form of solid wooden boards, but later on also in the form of hollow or solid profiles made from other materials. Wood, wood fibre/thermoplastic composites, wood fibre/thermoset composites, synthetic material, metal, and stony materials, are examples of currently used materials.
- In an embodiment of such known systems, the boards or profiles are provided with a tongue and groove for fitting them into each other, wherein the tongue is provided with holes for passing an attachment means through, such as a nail or screw.
- Although a cover having a closed look can be obtained with the known boards or profiles, the attachment holes form a point of leakage through which water is able to penetrate the construction parts lying below or behind them or the underlying space. An example of this is a cover arranged on a wooden balcony, wherein water is able to seep down between the boards or profiles, through the balcony to the residence or parking space situated below it.
- Our earlier development described in U.S. patent application Ser. No. 10/801,491 improved on the previously known system by providing a cover profile system for forming a walking surface, roof surface, decking, siding, wall surface or wall, or the like, comprising a plurality of generally flat, elongated hollow profile bodies, or panels, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having holes for attachment to an underlying base, wherein the second longitudinal edge is provided with a space for accommodating an edge area of the first longitudinal strip of a matingly engaged profile body, wherein one of either longitudinal edges is provided with a second longitudinal strip, which at the side of the first strip that faces the first wall, extends over the first strip to at least at an opposite longitudinal wall of the opposite longitudinal edge. In case the profile is to be used in a horizontal position, such as for providing a tread surface, the first wall is an upper wall and the second wall is a lower wall. In case the profile is to be used in a vertical position, such as in a cladding or as a wall, the first wall is an outer wall and the second wall is an inner wall.
- As used herein, the term “generally flat” means planar profiles that would be considered as having their major dimension in one direction and, therefore, includes surfaces such as corrugated surfaces.
- As all wood composite materials will expand in the traverse direction due to moisture uptake from freshly produced wood components, it is critical that the installer keeps the required distance in between the board when installing the product. It has been observed that sometimes the installers do not correctly install the earlier described profile system of our above patent application.
- With mechanical means it often happened that the installer forced the boards or planks too close to each other for the reason that typical installation personnel are accustomed to installing normal wooden planks tight to each other as it would be expected that fresh wooden planks would shrink due to release of moisture.
- Hence, there has arisen a need for a solution to the problem of how to properly install wood-resin composites because the wood-resin composites behave just appositively from newly installed fresh wooden planks.
- Applicant has sought a way to make certain that the installation personnel always position the boards or planks in the correct distance to each other, allowing the wood-resin composite products to expand in the traverse; i.e. side to side, direction without damaging or buckling the product.
- Applicant has now improved on the system described and illustrated in the earlier U.S. patent application Ser. No. 10/801,491 filed Mar. 16, 2004 by configuring the space for accommodating the edge area of the first longitudinal strip of a matingly engaged profile body as a groove to also accommodate a resilient member. The resilient member helps to avoid incorrect installation by inexperienced workers and also makes possible traverse expansion of the adjacent profile panels to prevent damage or buckling caused by change in moisture content of the wood fibres. Further, the improved system described herein provides for the second longitudinal strip, which at the side of the first strip that faces the first wall, to extend over the first longitudinal strip into a space. Optionally, that space can also contain a resilient member. This embodiment of the invention provides for a resilient member such as a foam strip that provides expansion possibility in the width direction.
- Thus, according to the improved embodiment of the earlier invention, the same advantages from the standpoint of resistance against penetration by water are obtained. Due to the arrangement of the second longitudinal strip extending over the first strip of an adjacent profile into or in abutment against an imaginary longitudinal plane in the longitudinal wall of the adjacent profile that is perpendicular to the first and second wall, this results in covering of the first strip provided with the attachment holes. This arrangement of parts largely prevents water from entering the attachment holes so that the underlying construction space is kept free from the leakage of water. As also pointed out in the earlier application, this arrangement also prevents dirt from entering and accumulating there, which would affect the construction parts. The strip of flexible and resilient material such as foam, located in the groove space to matingly receive the first longitudinal strip, is partly compressed during and after installation to assure a snug fit between adjacent panels.
- The stiffness and dimensioning of the resilient member or strip is so chosen that this will hardly undergo a compression when the boards are installed but with the high expansion forces that may occur later will certainly do so, preventing buckling at a later stage, which may take place with conventional compositions due to lack of expansion possibilities between boards.
- As described in our earlier application, the opposite longitudinal wall is provided with a first opening for accommodating the second longitudinal strip of an adjacent profile, which further improves the shielding of the attachment holes. The first opening extends about the second longitudinal strip preferably with little play that allows an ingoing and outgoing motion. The said first opening has a space for accommodating the resilient member described herein. A relative expanding motion between both adjacent cover profiles is thus made possible after installation, in a direction traverse to the direction of the longitudinal edges, in a plane parallel to the first and second walls.
- Preferably the first opening is arranged in a first substantially raised longitudinal wall. The opening inwardly opens into a first longitudinal chamber, that may be tight fitting or widened, particularly widened in downward direction. According to an optional embodiment of the present invention, the longitudinal chamber can be filled or partially filled with the flexible and deformable material, such as foam, which is then partially compressed when the second longitudinal strip is positioned into the longitudinal chamber during installation. In this embodiment, the longitudinal chamber can be fitted with the resilient member instead of in the groove of the adjacent profile.
- In a further embodiment thereof the first longitudinal chamber is bounded by an inwardly recessed portion of the first longitudinal wall. Thus the first longitudinal wall will continue to form a unity with the first and second walls, which is advantageous to the stability and the manufacturing process.
- When the first opening ends in a first longitudinal chamber bounded by a first partition extending between the first wall and the second wall, said longitudinal chamber can be used for discharge therein of water discharged from the second longitudinal strip of an adjacent profile, when the latter is not completely tight fitting into the second opening.
- Preferably, the second longitudinal strip is formed at the second longitudinal edge, which results in a system having two longitudinal strips positioned above one another, but oriented in opposite directions, which further improves the shielding of the attachment holes.
- In a further development of the system according to the invention the space for accommodating the first longitudinal strip is formed by a second opening in the adjacent profile. The second opening is defined by a groove formed in the second longitudinal edge, which groove is bounded by groove walls. The first longitudinal strip fits into this groove and abuts the resilient member fitted into the space formed by the groove walls of the adjacent profile. The degree of penetration of the first longitudinal strip or tongue within the groove of the adjacent profile is determined by the resiliency of the resilient member contained therein. A correct positioning of the profile bodies during installation is thus facilitated.
- Preferably the second longitudinal strip extends in line with the uppermost groove wall.
- Insertion of the first longitudinal strip into the groove of an adjacent panel is enhanced when the first longitudinal strip is provided with a pilot edge at the side that faces the bottom side.
- For enhancing the discharge of intercepted water it is preferred that the first and second longitudinal edge together with the second longitudinal strip form an upwardly opening channel.
- For increasing the rigidity of the profile bodies it is furthermore preferred that between the first wall and the second wall a number of partitions are formed for defining a number of longitudinal chambers. This also improves the heat-insulation properties.
- According to the invention the first wall has a generally flat top surface which preferably is provided with an integrally formed texture. This texture can not only offer improved grip to the user's feet, but also can provide a woody look. The texture can be formed by a number of parallel oriented longitudinal grooves, for instance having a depth in the order of less than 0.5 mm to 2 mm or more. Additionally or alternatively the texture may comprise small fine longitudinal grooves, for instance having a depth in the order of 0.1 mm, and preferably being irregularly shaped and/or limited in length and/or at an acute angle to the longitudinal direction of the profile body. As is known in the art, any suitable surface texture, embossing or brushing can be applied to the profiles of this invention to give a wood grain look to the products.
- The second wall can be provided with longitudinal grooves, optionally the lower or inner side of the second longitudinal strip as well.
- Although generally flat or panel-shaped profiles are described herein as detailed embodiments of the invention, it will be apparent to those skilled in this art that the profiles or sections can have other shapes such as corner profiles.
- Preferably the profile body is formed through extrusion from a composite material of a thermoplastic polymer containing cellulose fibres. The content of cellulose fibres preferably is more than 50% by weight, more preferably at least 70% by weight, most preferably 70-80% by weight. Such composite material has the appearance of wood. In this way, the need for an add-on layer that provides a wood-like appearance afterwards, as is often done in the conventional manufacture of known synthetic siding profiles, can be dispensed with. This is particularly the case when the aforementioned texture is present on the top surface of the composites of the present invention.
- The strength and the wood-like appearance is further enhanced when the cellulose fibres comprise a quantity of relatively short, randomly oriented fibres, as well as a quantity of relatively long fibres that are oriented in profile direction, as described in applicant's U.S. Pat. No. 6,929,841 which is relied on and incorporated herein by reference, and corresponding to other products of the applicant that have been registered under the trade name TECH-WOOD®.
- Preferably the short fibres have a length in the range of 0.2-2 mm and the long fibres have a length in the range of 2-8 mm, preferably 4-6 mm. The average length of the short fibres is shorter than the average length of the long fibres.
- The improved profile systems of the present invention can be used for forming a walking surface, roof surface, wall surface, wall or retaining element, or the like, and comprise a plurality of essentially flat elongated hollow profile bodies, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having holes for attachment to a base surface. The second longitudinal edge is provided with an opening for accommodating an edge area of a first longitudinal strip of the adjacent profile. The edge area of the first longitudinal strip is accommodated into a groove like space which contains a resilient member.
- In a further aspect, the invention provides a cover profile system for forming a walking surface, roof surface, wall surface, wall or retaining element, comprising a plurality of flat elongated hollow profile bodies, each comprising a first wall, a second wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip serving as a tongue and the second longitudinal edge is provided with an opening serving as a groove for holding the resilient member in place and for accommodating an edge area of the first longitudinal strip of an adjacent profile. The groove is fitted with a resilient member such as foam. These profile bodies are formed through an extrusion process from a composite material of a thermoplastic polymer containing cellulose fibres. During the manufacturing process the hollow profile bodies acquire a woody look. As a result, such a system is an attractive alternative to the existing hollow aluminium and synthetic profiles.
- Although the foregoing description refers to hollow profiles, it is contemplated within this invention that profiles without a plurality of hollow chambers also come within the purview of the present invention. That is, profiles formed of a single wall suitable for example as siding are contemplated in this convention. Thus, the invention can be used for hollow and non-hollow or essentially solid products in varying thicknesses. Typical thicknesses range from 2 mm to 50 mm or more.
- In this case as well, it is preferred that the content of cellulose fibres—such as wood fibres or other cellulose containing particles—be more than 50% by weight, preferably at least 70% by weight, most preferably 70 to 80% by weight, and/or that the cellulose fibres comprise a quantity of relatively short, randomly oriented fibres, as well as a quantity of relatively long fibres that are oriented in profile direction. The short fibres have a length in the order of 0.2-2 mm and the long fibres have a length in the order of 2-8 mm, preferably 4-6 mm.
- In the formation of hollow profiles, a plurality of partitions are formed between the first wall and the second wall for defining a plurality of longitudinal chambers, as a result of which the panel or profile made of wood/synthetic composite can be lightweight and strong. In the case of single wall profiles, the profile structure is essentially solid with openings or chambers only at the ends of the profiles to facilitate mating engagement.
- In all above-described embodiments, the thermoplastic polymer used can be a polyolefin, such as polypropylene or polyethylene, or polyvinylchloride, polyamide, or other suitable polymers.
- The hollow and single wall structures of the present invention can be used to form a floor, roof or wall constructed using a cover profile system as described herein.
- Thus, in an aspect of the invention, there is provided a panel for use in a cover profile system for forming a walking surface, roof surface, wall surface, wall member, retaining wall or the like, comprising a generally flat, elongated profile body, having at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having at least one hole for attachment means, wherein said second longitudinal edge is provided with a space for accommodating an edge area of a first longitudinal strip of a second panel to be located in an adjacent position, said space containing a resilient member, wherein the second longitudinal edge of said panel is provided with a second longitudinal strip, which when in mating engagement with an adjacent panel, extends over a first longitudinal strip of said adjacent panel towards at least an oppositely located longitudinal wall of said adjacent panel when in mating engagement therewith.
- In another aspect, the invention provides a cover profile system, comprising a plurality of generally flat, elongated profile bodies in mating engagement with each other, each of said bodies comprising at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having at least one hole for attachment means, wherein said second longitudinal edge is provided with a space for accommodating an edge area of a first longitudinal strip of an adjacent profile body, said space containing a resilient member, wherein the second longitudinal edge is provided with a second longitudinal strip, which is in mating engagement with the side of the first strip of the adjacent profile body that faces the first wall and extends over the first strip towards an opposite longitudinal wall of the opposite longitudinal edge.
- In still a further aspect, the present invention provides a profile system for forming a walking surface, roof surface, wall surface, wall or retaining element comprising a plurality of generally flat elongated profile bodies, each comprising at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip serving as a tongue and the second longitudinal edge is provided with an opening serving as a groove and containing in said groove a resilient member and for accommodating an edge area of the first longitudinal strip, wherein the profile bodies have been formed through extrusion from a composite material of a thermoplastic polymer containing cellulose fibres.
- The present invention will be illustrated on the basis of an exemplary embodiment shown in the attached drawings, in which:
-
FIG. 1 shows a symmetrical perspective view of a hollow profile part or profile member or panel according to the invention; -
FIG. 2 shows a top view of a portion of the profile part ofFIG. 1 ; -
FIGS. 3A and 3B show details in cross-section at the location of both longitudinal edges of the profile part according toFIGS. 1 and 2 and illustrate two different locations and positions for the resilient member; -
FIG. 4 is a cross-section view and shows two profile parts according toFIG. 1 , joined together and placed on a base and show the position and location of the resilient members; -
FIG. 4A shows an enlarged detailed sectional view IVA ofFIG. 4 ; -
FIG. 5 is a cross-section view and shows two profile parts in an alternative embodiment, in joined condition and show the position and location of the resilient members; -
FIG. 5A is a cross-section view and shows an edge detail of the alternative embodiment of the profile part according toFIG. 5 ; and -
FIGS. 6 and 7 are cross-section views and show cross-profiles of a first and a second other embodiment, respectively, of a profile part with resilient member in the location to enable expansion according to the invention. - The profile part or
profile member 1 is shown inFIG. 1 and further, is manufactured by an extrusion or pushtrusion process in direction S, and is formed from a composite material, comprising a matrix of synthetic thermoplastic polymer, particularly a polyolefin, preferably polypropylene, including a plurality of, forinstance 70% by weight or more, preferably 70 to 80% by weight of a mixture of short wood fibres and long wood fibres, wherein the short wood fibres have a length in the range of 0.2-2 mm and the long fibres are in the range of 2-8 mm, preferably 4-6 mm. In a manner as for instance described in U.S. Pat. No. 6,929,841, the long fibres V during manufacturing have been oriented substantially in direction S, whereas the short fibres are randomly oriented. During production of theprofile part 1, use is made of dried wood fibre material that contains moisture content less than 1%, preferably less than 0.5% by weight. - In the embodiment of a hollow profile, the
profile part 1 has anupper wall 2 and alower wall 3, having atop surface 2 a and alower surface 3 a, respectively. At thelongitudinal wall 8, in the firstlongitudinal edge 4, a firstlongitudinal strip 11 having a tongue 13 (seeFIG. 3A ) has been formed, and at the opposite second longitudinal edge 5 agroove 30 for thetongue 13 has been formed, seeFIG. 3B . - Between the
longitudinal edges upper wall 2 andlower wall 3partitions 16 have been integrally formed, thus defininglongitudinal chambers - As can be seen in
FIG. 2 , thetop surface 2 a has a series ofparallel grooves 20 which extend in the longitudinal direction and which have a depth of, for instance, 1 mm. The surface in between and adjacent to theparallel grooves 20 is provided withfiner grooves 21, which, for instance, have a depth of 0.1 mm and provide thesurface 2 a with a wood grain-like look. This fine texture is also present onpendent wall member 8 a that is a part of thelongitudinal wall 8, (FIG. 3A ) on the firstlongitudinal edge 4, and also on thewall member 38 and on the top surface of the second longitudinal strip 36 (seeFIG. 3B ) at the secondlongitudinal edge 5. In fact all surfaces that are visible in use are thus provided with a fine wood grain texture. Any suitable or desirable surface decoration can be formed on these surfaces. As will be apparent, the appearance of the top surface can be altered in many ways depending upon the visual and decorative effect intended. - As can be seen in
FIG. 2 andFIG. 3A , thetongue 13 of the firstlongitudinal strip 11 is provided with one or morecontinuous holes 10, intended for an attachment means such as a screw or a nail 90 (FIG. 4 ). The firstlongitudinal strip 11 is lip-shaped and buckled, having aportion 12 positioned lower and a tongue orend portion 13 that is positioned higher thanportion 12 and recessed. - In this example shown in
FIG. 3A , the above-mentionedwall member 8 is not continued into thelower wall 3 but ends at a distance below thependant wall member 8 a in order to form an opening or slit 7 extending in the longitudinal direction, which opening or slit is bounded in the downwards direction by a raisededge 9 formed in thelower wall 3, at the location of the beginning of the firstlongitudinal strip 11. The firstlongitudinal strip 11 as it were protrudes from thelongitudinal wall 8 formed at the firstlongitudinal edge 4.Longitudinal chamber 6 can be fitted to contain theresilient member 70, which permits expansion of the system when in place and prevents any tendency to buckle or catastrophically separate. - The second
longitudinal edge 5, shown inFIG. 3B , has agroove 30, which at the lower side is defined by alowermost groove wall 31 which is in one plane with the rest of thelower wall 3, and anuppermost groove wall 32, which continues beyond thependent wall member 38 in order to form the protruding secondlongitudinal strip 36.Groove 30 has positioned therein aresilient member 70 such as a foam rubber member. Hence, one or both of theresilient members 70 can be present as shown inFIGS. 3A and 3B . Theresilient member 70 provides the necessary expansion possibilities in the width direction and facilitates installation in the correct position only. Thus, the system of the present invention aims to prevent installation errors that can lead to failure. - The joining of both
longitudinal edges FIG. 4A , by inserting the secondlongitudinal strip 36 of a first profile part into theslit 7 of an adjacent second profile part in the direction A. Simultaneously, theportion 13 of the second profile part is inserted into thegroove 30 of the first profile part in the direction B. This inserting action continues until theend portion 13 of the second profile part meets theresilient member 70 ingroove 30. Thetop surface 17 of the second profile's longitudinal edge again abuts the bottom surface of thegroove wall 32, so that when exerting normal forces the limit is reached for joining, whereby the forming of thechannel 81 having the indicated width is accomplished. The secondlongitudinal strip 36 as it were extends up to or in this case beyond a imaginary plane T through the location where thestrip 11 begins to project from thelongitudinal wall 8, which is perpendicular to thelower wall 3. As a result the area above the firstlongitudinal strip 11 is shielded. This shielding is enhanced because thestrip 36 lies on the upper edge of raisededge 9. The top surface of thestrip 36 keeps the slit open to the lower edge ofpendent wall member 8 a. - In fact a double tongue and groove connection with a possibility of expanding and which is operative in two directions is provided with on the one hand the
longitudinal strip 11, particularlystrip portion 13, and withgroove 30, and on the other hand with the secondlongitudinal strip 36 and with theslit 7. As can be seen inFIGS. 4 and 4 A, in assembled condition, situated on, for instance, awooden undersurface 60, there results the shielding of thespace 50 situated immediately above the attachment holes 10. The attachment means 90 are shielded as a result, whereas also moisture, such as water falling in the direction D, cannot end up in saidspace 50 and thus in theholes 10, and therefore not on thestructure 60. - Also at the other side an expansion possibility is provided, due to accommodation of the second
longitudinal strip 36 in theopening 7, wherein the lower surface of thestrip 36 is slidably positioned on the upper edge of raisededge 9. - Due to the long fibres oriented in the longitudinal direction of the
profile part 1 the expansion—in particular as a result of the absorption of moisture in the fibres after the cover profiles have been exposed to the outside air for some time—per unit of length in the longitudinal direction is considerably lower (for instance twice as low) than the expansion in traverse direction. The above-discussed interconnection of the profile parts with the resilient member provides protection against unwanted deformation. - As can be seen in the
FIGS. 3A, 4 and 4A thebottom surface 3a is provided withlongitudinal grooves 22. - The panels or
profile parts 1 of theFIGS. 1-4A are particularly suitable to be used as floor boards, for instance on balconies, but also on decking, siding, jetties or wooden platforms, wherein the underlying structure is shielded. The profile provides the advantage that it does not splinter, which makes its tread surface easily accessible for bare feet. - In
FIGS. 5 and 5 A an alternative form of the firstlongitudinal edge 4 is shown, wherein theslit 7′ is bounded by a continuation ofwall 8′, in this case horizontally inwardly turnedwall member 8′a and vertically turnedwall member 8′b that merges intobottom wall 3. Thewall members 8 a,b together withbottom wall 3 form a firstlongitudinal chamber 6 a′, which is much smaller than firstlongitudinal chamber 6 a of the embodiment ofFIG. 1 .Resilient member 70 is located ingroove 30. The resilient member can also be placed in the chamber. - In the joined situation shown in
FIG. 5 , the secondlongitudinal strip 36 extends into theslit 7′, wherein the lower surface lies slidably on the raisededge 9′ and the end edge thereof is at a short distance fromwall member 8′b.Resilient member 70 is located in thegroove 30 and/or inchamber 6 a′. - In
FIGS. 6 and 7 profile parts are shown in mating engagement that are particularly suitable for use as siding parts, in particular in wall surfaces, or wall panels. The panels shown in these figures could easily be formed to be solid, that is, without thecavities - The
profile parts profile part 1. They have anupper wall inner wall longitudinal edge longitudinal edge longitudinal chambers - The first
longitudinal edge longitudinal strip end lip longitudinal edge portions longitudinal legs 117, which have been provided withsupport surfaces - The second
longitudinal edges end lip groove groove wall longitudinal strip grooves resilient members 70, such as foam or rubber. In this case the firstlongitudinal edge outer wall longitudinal strip downward stop top surface adjacent profile part
Claims (62)
1. A panel for use in a cover profile system for forming a walking surface, roof surface, wall surface or wall, comprising a profile body, having at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having at least one hole for attachment means, wherein said second longitudinal edge is provided with a space for accommodating an edge area of a first longitudinal strip of a second panel to be located in an adjacent position, said space containing a resilient member, wherein the second longitudinal edge of said panel is provided with a second longitudinal strip, which when in mating engagement with an adjacent panel, extends over a first longitudinal strip of said adjacent panel to at least an oppositely located longitudinal wall of said adjacent panel when in mating engagement therewith.
2. The panel according to claim 1 , wherein the panel has a first longitudinal wall which is adjacent the first longitudinal edge and a second longitudinal wall which is adjacent the second longitudinal edge.
3. The panel according to claim 1 which further comprises a second wall and wherein said profile body is hollow.
4. The panel according to claim 2 , wherein said second longitudinal wall is provided with a first opening for accommodating a second longitudinal strip from a second panel when said second panel is matingly engaged with said panel, wherein the opening extends about the second longitudinal strip with little play that allows an ingoing and outgoing motion to enable assembly of a plurality of panels.
5. The panel according to claim 4 , wherein the second longitudinal strip can fit into an opening of an adjacent panel.
6. The panel according to claim 4 , wherein a first opening is arranged in a first substantially raised longitudinal wall.
7. The panel according to claim 5 , wherein the first opening opens inwardly into a first longitudinal chamber, which first longitudinal chamber is bounded by an inwardly recessed portion of the first longitudinal wall and contains a resilient member.
8. The panel according to claim 7 , wherein the first longitudinal chamber is bounded by a first partition extending between the first wall and a second wall.
9. The panel according to claim 1 , wherein the second longitudinal strip is formed at the second longitudinal edge.
10. The panel according to claim 4 , wherein a space for accommodating a first longitudinal strip from an adjacent panel is formed by a second opening, which is defined by a groove formed in the second longitudinal edge, which groove is bounded by groove walls, said groove containing a resilient member.
11. The panel according to claim 4 , wherein said opening has a groove wall having a width for accommodating a first longitudinal strip of an adjacent panel.
12. The panel according to claim 1 , wherein the first longitudinal strip is provided with a pilot edge at a side that faces a bottom side of the panel.
13. The panel according to claim 1 , wherein the first longitudinal edge of said panel, when combined with a second panel having a second longitudinal edge together with the second longitudinal strip form an upwardly opening channel.
14. The panel according to claim 3 , wherein between the first wall and the second wall a plurality of partitions are formed for defining a plurality of longitudinal chambers.
15. The panel according to claim 1 , wherein the first wall has a flat top surface which preferably is provided with a texture.
16. The panel according to claim 15 , wherein the texture comprises a number of parallel oriented longitudinal grooves having a depth of about at least one mm.
17. The panel according to claim 16 , wherein the texture comprises small fine longitudinal grooves, being irregularly shaped and/or limited in length and/or at an acute angle to the longitudinal direction of the profile body.
18. The panel according to claim 3 , wherein the second wall is provided with longitudinal grooves.
19. The panel according to claim 18 , wherein a lower side of the second longitudinal strip is provided with longitudinal grooves.
20. The panel according to claim 3 , wherein the first longitudinal strip at the location of the holes for attachment has a lower surface that is in one plane with the surface of the second wall.
21. The panel according to claim 3 , wherein the first longitudinal strip at the location of the holes is provided with protrusions for spacing it from the surface of the second wall.
22. The panel according to claim 3 , wherein the first wall and the second wall are parallel.
23. The panel according to claim 1 formed of a composite material comprising a thermoplastic polymer and callulousic fibres, wherein the cellulosic fibres amount to more than 50% by weight of the composite.
24. The panel according to claim 23 , wherein the cellulosic fibres amount to 70 to 80% by weight of the composite.
25. A cover profile system, comprising a plurality of flat, elongated profile bodies in mating engagement with each other, each of said bodies comprising at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip having at least one hole for attachment means, wherein said second longitudinal edge is provided with a space for accommodating an edge area of a first longitudinal strip of an adjacent profile body, said space containing a resilient member, wherein the second longitudinal edge is provided with a second longitudinal strip, which is in mating engagement with the side of the first strip of the adjacent profile body that faces the first wall and extends over the first strip towards an opposite longitudinal wall of the opposite longitudinal edge.
26. The cover profile system according to claim 25 in the form of a walking surface, roof surface, wall surface or wall.
27. The cover profile system according to claim 25 , wherein the second longitudinal strip extends over the first strip beyond or in the opposite longitudinal wall.
28. The cover profile system according to claim 27 , wherein the opposite longitudinal wall is provided with a first opening for accommodating the second longitudinal strip, wherein the opening extends about the second longitudinal strip preferably with little play that allows an ingoing and outgoing motion.
29. The cover profile system according to claim 28 , wherein the second longitudinal strip abuts on a lowermost boundary of the opening.
30. The cover profile system according to claim 28 , wherein the first opening is arranged in a first substantially raised longitudinal wall.
31. The cover profile system according to claim 29 , wherein the first opening inwardly opens into a first longitudinal chamber, which said first longitudinal chamber is bounded by an inwardly recessed portion of the first longitudinal wall and contains a resilient member.
32. The cover profile system according to claim 25 wherein each of the profile bodies contains a second wall.
33. The cover profile system according to claim 31 , wherein the first longitudinal chamber is bounded by a first partition extending between a first wall and a second wall.
34. The cover profile system according to claim 25 , wherein the second longitudinal strip is formed at the second longitudinal edge.
35. The cover profile system according to claim 28 , wherein the space for accommodating the first longitudinal strip is formed by a second opening, which is defined by a groove formed in the second longitudinal edge, which groove is bounded by groove walls and which groove contains a resilient member.
36. The cover profile system according to claim 25 , wherein the first longitudinal strip is provided with a pilot edge at the side that faces the bottom side.
37. The cover profile system according to claim 25 , wherein the first and second longitudinal edge together with the second longitudinal strip form a upwardly opening channel.
38. The cover profile system according to claim 32 , wherein between the first wall and the second wall a number of partitions are formed for defining a plurality of longitudinal chambers.
39. The cover profile system according to claim 25 , wherein the first wall has a flat top surface which preferably is provided with a texture.
40. The cover profile system according to claim 39 , wherein the texture comprises a number of parallel oriented longitudinal grooves, for instance having a depth in the order of one or several mm.
41. The cover profile system according to claim 32 , wherein the second wall is provided with longitudinal grooves.
42. The cover profile system according to claim 41 , wherein the lower side of the second longitudinal strip as well is provided with longitudinal grooves.
43. The cover profile system according to claim 25 , wherein the first longitudinal strip at the location of the attachment holes has a lower surface that is in one plane with the surface of the second wall.
44. The cover profile system according to claim 25 , wherein the first longitudinal strip at the location of the attachment holes is provided with protrusions for spacing it from the surface of the second wall.
45. The cover profile system according to claim 32 , wherein the first wall and the second wall are parallel.
46. The cover profile system according to claim 25 formed of a composite material comprising a thermoplastic polymer and cellulosic fibres, wherein the cellulosic fibres amount to more than 50% by weight of the composite.
47. The cover profile system according to claim 46 , wherein the cellulosic fibres amount to 70 to 80% by weight of the composite.
48. A panel according to claim 1 , formed by extruding from a composite material of a thermoplastic polymer containing cellulose fibres through an extruder.
49. The panel body according to claim 48 , wherein the content of cellulose fibres is more than 50% by weight of the panel.
50. The profile body according to claim 49 , wherein the cellulose fibres comprise a plurality of relatively short, randomly oriented fibres, and a plurality of relatively long fibres that are oriented in profile direction.
51. The panel body according to claim 50 , wherein the short fibres have a length in the range of 0.2-2 mm and the long fibres have a length in the range of 2-8 mm.
52. The panel body according to claim 48 , wherein the thermoplastic polymer is selected from the group consisting of polyolefin, polyvinylchloride and polyamide.
53. A profile system for forming a walking surface, roof surface, wall surface or wall, comprising a plurality of flat elongated profile bodies, each comprising at least a first wall, a first longitudinal edge and a second longitudinal edge, wherein the first longitudinal edge is provided with a first longitudinal strip serving as a tongue and the second longitudinal edge is provided with an opening, serving as a groove and containing in said groove a resilient member and for accommodating an edge area of the first longitudinal strip, wherein the profile bodies have been formed through extrusion from a composite material of a thermoplastic polymer containing cellulose fibres.
54. The profile system according to claim 53 , wherein the content of cellulose fibres is more than 50% by weight.
55. The profile system according to claim 54 wherein the content of cellulose fibres is 70 to 80% by weight.
56. The profile system according to claim 53 , wherein the cellulose fibres comprise a plurality of relatively short, randomly oriented fibres, and a plurality of relatively long fibres that are oriented in profile direction.
57. The profile system according to claim 53 , wherein the short fibres have a length in the range of 0.2-2 mm and the long fibres have a length in the range of 2-8 mm.
58. The profile system according to claim 53 , wherein between the first wall and a second wall a plurality of partitions have been formed for defining a plurality of longitudinal chambers.
59. The profile system according to claim 53 , wherein the thermoplastic polymer is selected from the group consisting of polyolefin, polyvinylchloride and polyamide.
60. A floor constructed using a cover profile system according to claim 25 .
61. A wall constructed using a cover profile system according to claim 25 .
62. A roof constructed using a cover profile system according to claim 25.
Priority Applications (1)
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