US20060265901A1 - Water-resistant and floatable footwear and method of manufacture therefor - Google Patents
Water-resistant and floatable footwear and method of manufacture therefor Download PDFInfo
- Publication number
- US20060265901A1 US20060265901A1 US11/336,641 US33664106A US2006265901A1 US 20060265901 A1 US20060265901 A1 US 20060265901A1 US 33664106 A US33664106 A US 33664106A US 2006265901 A1 US2006265901 A1 US 2006265901A1
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- United States
- Prior art keywords
- outsole
- insole
- footwear
- upper members
- vinyl polymer
- Prior art date
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- Abandoned
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 14
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000011342 resin composition Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000004088 foaming agent Substances 0.000 claims description 2
- 239000010734 process oil Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 210000002683 foot Anatomy 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 235000019640 taste Nutrition 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 210000003371 toe Anatomy 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/10—Low shoes, e.g. comprising only a front strap; Slippers
- A43B3/107—Low shoes, e.g. comprising only a front strap; Slippers characterised by the material
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/08—Bathing shoes ; Aquatic sports shoes
Definitions
- This invention relates to footwear, in particular, lightweight and comfortable footwear providing buoyancy in water and resistance to water absorption, and a method of manufacture therefor.
- footwear casual and lightweight shoes, particularly, sandals are known. Many of these shoes and sandals (hereinafter collectively referred to as “footwear”) are flexible due to the materials used to construct the soles. However, because many of these materials are porous, such footwear readily absorb water and become heavy and cumbersome. The absorbed moisture or liquid may seep out over time causing discomfort to the wearer, or even causing the wearer to trip or fall. Moreover, such absorption may stain the footwear or promote the growth of unsightly or odor-causing fungus.
- footwear that have buoyancy and float in water. It is not uncommon for a shoe or sandal to slip off one's foot while ingressing or egressing a boat. It is also not uncommon for a shoe or a sandal to fall into a swimming pool. Accordingly, footwear which stay afloat in water, while resistant to the absorption of water, provide many advantages.
- Another desirable feature in footwear is comfort in the areas of direct contact with the feet. While many footwear are desirably casual and lightweight, the desire to minimize weight has left many footwear with uncomfortable inner soles that lack a liner that is both comfortable and slip-resistant.
- the present invention is directed to a new and improved footwear comprising a sole including an outsole and insole, an upper member affixed to the sole, wherein said footwear is floatable in water.
- the insole of the footwear is constructed of the material “marine buoy;” that is, the insole has an inner structure and an outer coating, the inner structure being constructed of a thermoplastic resin and the outer coating being constructed of a vinyl polymer.
- the footwear is advantageously water-proof and provides buoyancy in water.
- the upper members of the footwear may also be constructed of the marine buoy material and they may be configured as a continuous strap or flaps that are detachably attached to each other.
- the outsole of the footwear may be configured in close conformity with the insole, or it may include a peripheral border extending upwardly and around said insole.
- the present invention is also directed to a method for producing a footwear with an insole, an outsole and upper members, comprising the steps of: forming the outsole, forming the insole by forming an inner structure from a thermoplastic resin, immersing the inner structure in vinyl polymer, arranging the upper members relative to the insole and the outsole to form said footwear, securely affixing the insole, the outsole and the upper members to each other.
- a step of the method may include providing apertures in the insole adapted for securing the upper members before immersing the insole in the vinyl polymer.
- FIG. 1 is a perspective view of an embodiment of a footwear of the present invention
- FIG. 2 is a side elevational view of the footwear of FIG. 1 ;
- FIG. 3 is top plan view of the footwear of FIG. 1 ;
- FIG. 4 is a bottom plan view of the footwear of FIG. 1 ;
- FIG. 5 is a cross-sectional view taken along line 5 - 5 in FIG. 1 ;
- FIG. 6 is a cross-sectional view taken along line 6 - 6 in FIG. 1 ;
- FIG. 7 is a perspective view of an alternative embodiment of the footwear of the present invention.
- FIG. 8 is a perspective view of another alternative embodiment of the footwear of the present invention.
- FIG. 9 is a side elevational view of the footwear of FIG. 8 ;
- FIG. 10 is a perspective view of yet another alternative embodiment of the footwear of the present invention.
- FIG. 11 is a side elevational view of the footwear of FIG. 19 ;
- FIG. 12 is a perspective view of footwear of FIG. 10 , with upper members detached from each other.
- the footwear has a sole 12 , including an insole 14 and an outsole 16 , and upper member or members (hereinafter used interchangeably) 18 affixed to and extending above the sole 12 for securing the footwear 10 to the wearer's foot (not shown).
- the upper members 18 may include a strap 20 and a fastening member 22 both adapted and configured to conform to the wearer's foot.
- the strap 20 is configured to extend above the foot and the fastening member 22 is configured to extend between the toes of the foot.
- the ends 24 of the upper members of this embodiment of the footwear 10 are securely affixed to the outsole 16 by, e.g., adhesives or glue.
- the upper members may connected to the sole 12 by a variety of different means, including the formation of a nub at the ends 24 of the upper members which are received in appropriately-sized apertures defined in the sole 12 , or other fastening or connecting structures.
- the insole 14 and the outsole 16 are made from flexible materials and are of substantially the same configuration such that their respective peripheral outer edges are substantially even with each other.
- the outsole 16 may be constructed of a suitably flexible, elastomeric and/or durable material for resisting wear while providing tread. Rubber, for example, may be used to construct the outsole 16 .
- the outsole 16 has a substantially uniform thickness of approximately 3/16 inch throughout the length and width of the footwear 10 (see FIG. 2 ).
- a walking surface 19 of the outsole 16 is configured with a pattern to provide tread and friction (see FIG. 4 ).
- the insole 14 may be constructed of a combination of flexible materials commonly referred to as “marine buoy” to resist water absorption and provide buoyancy in the footwear.
- the insole 14 includes an inner structure 30 that may be foam-like and is at least partially, if not substantially wholly, encapsulated in a water-proof, water-repellant and/or water-resistant sealant coating 32 .
- the inner structure 30 is compressible and of a relatively low density compared to the outsole 16 , such that it cushions the foot.
- Suitable materials for construction of the inner structure 30 include a thermoplastic synthetic resin or a thermoplastic synthetic resin containing a plasticizer.
- Such a suitable thermoplastic resin composition may comprise of the following: NBR (nature polybutadine rubber) 30% PVC (polyvinyl chloride paste resin) 30% Filler talc 12% Foaming agent 10% Plasticizer 12% Process oil 6%
- the resin may be molded, trimmed, cut or otherwise configured (before, during or after curing, as understood by one of ordinary skill in the art) as desired, but preferably to conform substantially to outer shape of the foot.
- the thickness of the inner structure 30 may be as is desirable and/or functional. In a preferred embodiment, the thickness is substantially uniform throughout the length and the width of the sole 12 at approximately 11 ⁇ 2 inches. It is understood that the thickness of the inner structure 30 may be nonuniform as desirable or appropriate to conform to the shape of the foot.
- the inner structure 30 has a top surface 34 , a bottom surface 36 and a side surface 38 extending around the outer perimeter of the inner structure between the top and bottom surfaces.
- the coating or surface 32 functions as a barrier or sealant of the inner structure 30 to the environment.
- the coating 32 is flexible and has water-proofing, water-repelling and/or water-resistant properties.
- Suitable materials include vinyl polymer or vinyl co-polymer compositions (used interchangeably herein) which may be readily mixed with any of a variety of color pigments for coloring the coating 32 as desired.
- color pigments may be added to, mixed in, and/or selected in the vinyl polymer. Accordingly, the footwear 10 may be readily manufactured in a variety of colors to suit the tastes of the marketplace without substantial changes in the manufacturing process or equipment. In that regard, the color of the insole may be selected to purposefully match or otherwise complement the color(s) of the upper members 18 .
- the inner structure 30 once cured and shaped is immersed in the vinyl polymer. As such, the inner structure 30 is effectively encapsulated or sealed within an effective water-resistant, if not water-proof barrier. Moreover, the coating 32 so encapsulating the inner structure 30 provides a comfortable and slip-resistant upper surface 33 with which the foot directly contacts when the footwear 10 is worn. Once constructed, the insole 14 and the outsole 16 are securely affixed to each other and preferably by means of adhesive or glue.
- the upper members 18 may also be constructed similarly to insole 14 .
- the strap 20 may have an inner structure 40 made of the foregoing resin and a coating 42 of vinyl polymer, whereby both the inner structure 40 and the coating 42 extend along the length of the strap 20 .
- the strap 20 may have a length of approximately 9.0 inches and a diameter of approximately 0.5 inches. Accordingly, the strap 20 and the insole 14 provide a comfortable contact surface for the foot, while also being water-resistant, if not water-proof, like the insole 14 .
- the fastening member 22 may be a strip of woven textile 23 that is configured to provide a loop through which the strap 20 extends.
- a plastic or latex tube 25 may be used to secure together ends 44 of the fastening member.
- apertures 26 are configured in the insole 14 to permit the ends 24 to pass through the insole 14 and come into direct contact with the outsole 16 .
- the apertures 26 are configured in the inner structure 30 before it is immersed in the vinyl polymer, so that the apertures are, too, provided with the coating 32 .
- the footwear of FIG. 1 may be constructed substantially by the following steps:
- the method of the present invention may also involve the following steps:
- Steps 4 and 5 may be bypassed if the upper members 18 are not to be constructed of the marine buoy material. It is therefore understood by one of ordinary skill in the art that the foregoing steps need not be taken in the sequence presented, nor does each step need to be taken in manufacturing the footwear 10 . The method may be altered as appropriate or desired depending on the desired configuration and/or embodiments of the footwear as described further below.
- the upper members 18 may adopt an unlimited number of variations in their configuration or manner of construction.
- the upper members 18 may take the form of two converging, relatively thin members 18 a ( FIG. 7 ), a continuous, wider member 18 b in combination with a fastening member 22 b ( FIGS. 8 and 9 ), or even two overlapping (adjustable) flaps 18 c that are detachable by Velcro® pads ( FIGS. 10, 11 and 12 ).
- the materials of which these upper members are constructed may be man-made or otherwise, including pseudo-suede, nylon or nylon-based textiles, or the like.
- the apertures 26 that is, the shape and size
- the sole 12 may also adopt unlimited variations in its configuration.
- an outsole 44 is configured to with an upwardly extending peripheral border 50 (best illustrated in FIGS. 9 and 11 ) surrounding the relatively lower surface 52 on which the insole 14 sits.
- the outsole 44 provides the peripheral border 50 which may have a thickness T of approximately 5/16 inch and a depth D of approximately 1 ⁇ 4 inch.
- the manufacturing thereof may substantially follow the steps set forth above.
- the steps may be altered as appropriate or desired.
Abstract
A water-resistant and floatable footwear including an outsole and insole, and an upper member affixed to the sole, wherein the footwear is floatable in water. In particular, the insole of the footwear is constructed of the material “marine buoy;” that is, the insole has an inner structure and an outer coating, the inner structure being constructed of a thermoplastic resin and the outer coating being constructed of a vinyl polymer. The footwear is advantageously water-proof and provides buoyancy in water.
Description
- This application is a continuation of pending U.S. patent application Ser. No. 10/790,375, filed Feb. 29, 2004, which is a divisional application of U.S. patent application Ser. No. 10/264,015, filed Oct. 3, 2002, now U.S. Pat. No. 6,766,598 issued Jul. 27, 2004, which is a continuation of U.S. patent application Ser. No. 09/690,552, filed Oct. 17, 2000, now U.S. Pat. No. 6,508,016, issued Jan. 21, 2003, the contents of which are hereby incorporated by reference.
- This invention relates to footwear, in particular, lightweight and comfortable footwear providing buoyancy in water and resistance to water absorption, and a method of manufacture therefor.
- Casual and lightweight shoes, particularly, sandals are known. Many of these shoes and sandals (hereinafter collectively referred to as “footwear”) are flexible due to the materials used to construct the soles. However, because many of these materials are porous, such footwear readily absorb water and become heavy and cumbersome. The absorbed moisture or liquid may seep out over time causing discomfort to the wearer, or even causing the wearer to trip or fall. Moreover, such absorption may stain the footwear or promote the growth of unsightly or odor-causing fungus.
- To avoid some of these problems, some footwear have provided drainage holes or other drainage features which unfortunately do not prevent the absorption of water, but simply provide an outlet for the water absorbed. However, seepage is not avoided, nor is the growth of unsightly or odor-causing fungus caused by the trapped moisture.
- As with recreational footwear, particularly those adapted for use in water recreation, it is desirable to have footwear that have buoyancy and float in water. It is not uncommon for a shoe or sandal to slip off one's foot while ingressing or egressing a boat. It is also not uncommon for a shoe or a sandal to fall into a swimming pool. Accordingly, footwear which stay afloat in water, while resistant to the absorption of water, provide many advantages.
- Another desirable feature in footwear is comfort in the areas of direct contact with the feet. While many footwear are desirably casual and lightweight, the desire to minimize weight has left many footwear with uncomfortable inner soles that lack a liner that is both comfortable and slip-resistant.
- Furthermore, current fashion trends mandate footwear to come in a wide variety of colors. It is therefore desirable therefore to provide footwear which address the foregoing problems, but also be suitable to arrive in a variety of colors. In order to meet the ever-changing tastes of the marketplace, the color of the footwear should be easily alterable.
- The present invention is directed to a new and improved footwear comprising a sole including an outsole and insole, an upper member affixed to the sole, wherein said footwear is floatable in water. In particular, the insole of the footwear is constructed of the material “marine buoy;” that is, the insole has an inner structure and an outer coating, the inner structure being constructed of a thermoplastic resin and the outer coating being constructed of a vinyl polymer. As such, the footwear is advantageously water-proof and provides buoyancy in water. The upper members of the footwear may also be constructed of the marine buoy material and they may be configured as a continuous strap or flaps that are detachably attached to each other. The outsole of the footwear may be configured in close conformity with the insole, or it may include a peripheral border extending upwardly and around said insole.
- The present invention is also directed to a method for producing a footwear with an insole, an outsole and upper members, comprising the steps of: forming the outsole, forming the insole by forming an inner structure from a thermoplastic resin, immersing the inner structure in vinyl polymer, arranging the upper members relative to the insole and the outsole to form said footwear, securely affixing the insole, the outsole and the upper members to each other. A step of the method may include providing apertures in the insole adapted for securing the upper members before immersing the insole in the vinyl polymer.
- The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of the preferred embodiments, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the principles of the invention.
-
FIG. 1 is a perspective view of an embodiment of a footwear of the present invention; -
FIG. 2 is a side elevational view of the footwear ofFIG. 1 ; -
FIG. 3 is top plan view of the footwear ofFIG. 1 ; -
FIG. 4 is a bottom plan view of the footwear ofFIG. 1 ; -
FIG. 5 is a cross-sectional view taken along line 5-5 inFIG. 1 ; -
FIG. 6 is a cross-sectional view taken along line 6-6 inFIG. 1 ; -
FIG. 7 is a perspective view of an alternative embodiment of the footwear of the present invention; -
FIG. 8 is a perspective view of another alternative embodiment of the footwear of the present invention; -
FIG. 9 is a side elevational view of the footwear ofFIG. 8 ; -
FIG. 10 is a perspective view of yet another alternative embodiment of the footwear of the present invention; -
FIG. 11 is a side elevational view of the footwear ofFIG. 19 ; and -
FIG. 12 is a perspective view of footwear ofFIG. 10 , with upper members detached from each other. - Referring to
FIGS. 1 and 2 , an embodiment of afootwear 10 of the present invention is shown. The footwear has a sole 12, including aninsole 14 and anoutsole 16, and upper member or members (hereinafter used interchangeably) 18 affixed to and extending above the sole 12 for securing thefootwear 10 to the wearer's foot (not shown). Theupper members 18 may include astrap 20 and afastening member 22 both adapted and configured to conform to the wearer's foot. In particular, thestrap 20 is configured to extend above the foot and the fasteningmember 22 is configured to extend between the toes of the foot. Referring toFIGS. 5 and 6 , theends 24 of the upper members of this embodiment of thefootwear 10 are securely affixed to theoutsole 16 by, e.g., adhesives or glue. As understood by one of ordinary skill in the art, the upper members may connected to the sole 12 by a variety of different means, including the formation of a nub at theends 24 of the upper members which are received in appropriately-sized apertures defined in the sole 12, or other fastening or connecting structures. - Referring to the embodiment illustrated in
FIGS. 3 and 4 , theinsole 14 and theoutsole 16 are made from flexible materials and are of substantially the same configuration such that their respective peripheral outer edges are substantially even with each other. Theoutsole 16 may be constructed of a suitably flexible, elastomeric and/or durable material for resisting wear while providing tread. Rubber, for example, may be used to construct theoutsole 16. In this illustrated embodiment, theoutsole 16 has a substantially uniform thickness of approximately 3/16 inch throughout the length and width of the footwear 10 (seeFIG. 2 ). Awalking surface 19 of theoutsole 16 is configured with a pattern to provide tread and friction (seeFIG. 4 ). - Referring to
FIGS. 5 and 6 , theinsole 14 may be constructed of a combination of flexible materials commonly referred to as “marine buoy” to resist water absorption and provide buoyancy in the footwear. Theinsole 14 includes aninner structure 30 that may be foam-like and is at least partially, if not substantially wholly, encapsulated in a water-proof, water-repellant and/or water-resistant sealant coating 32. Theinner structure 30 is compressible and of a relatively low density compared to theoutsole 16, such that it cushions the foot. Suitable materials for construction of theinner structure 30 include a thermoplastic synthetic resin or a thermoplastic synthetic resin containing a plasticizer. Such a suitable thermoplastic resin composition may comprise of the following:NBR (nature polybutadine rubber) 30% PVC (polyvinyl chloride paste resin) 30% Filler talc 12% Foaming agent 10% Plasticizer 12% Process oil 6% - The resin may be molded, trimmed, cut or otherwise configured (before, during or after curing, as understood by one of ordinary skill in the art) as desired, but preferably to conform substantially to outer shape of the foot. The thickness of the
inner structure 30; however, may be as is desirable and/or functional. In a preferred embodiment, the thickness is substantially uniform throughout the length and the width of the sole 12 at approximately 1½ inches. It is understood that the thickness of theinner structure 30 may be nonuniform as desirable or appropriate to conform to the shape of the foot. Theinner structure 30 has atop surface 34, abottom surface 36 and aside surface 38 extending around the outer perimeter of the inner structure between the top and bottom surfaces. - The coating or surface 32 functions as a barrier or sealant of the
inner structure 30 to the environment. As such, thecoating 32 is flexible and has water-proofing, water-repelling and/or water-resistant properties. Suitable materials include vinyl polymer or vinyl co-polymer compositions (used interchangeably herein) which may be readily mixed with any of a variety of color pigments for coloring thecoating 32 as desired. - As mentioned, color pigments may be added to, mixed in, and/or selected in the vinyl polymer. Accordingly, the
footwear 10 may be readily manufactured in a variety of colors to suit the tastes of the marketplace without substantial changes in the manufacturing process or equipment. In that regard, the color of the insole may be selected to purposefully match or otherwise complement the color(s) of theupper members 18. - To apply the
coating 32, theinner structure 30 once cured and shaped is immersed in the vinyl polymer. As such, theinner structure 30 is effectively encapsulated or sealed within an effective water-resistant, if not water-proof barrier. Moreover, thecoating 32 so encapsulating theinner structure 30 provides a comfortable and slip-resistantupper surface 33 with which the foot directly contacts when thefootwear 10 is worn. Once constructed, theinsole 14 and theoutsole 16 are securely affixed to each other and preferably by means of adhesive or glue. - The
upper members 18, in particular thestrap 20, may also be constructed similarly toinsole 14. In that regard, as shown inFIG. 6 , thestrap 20 may have aninner structure 40 made of the foregoing resin and acoating 42 of vinyl polymer, whereby both theinner structure 40 and thecoating 42 extend along the length of thestrap 20. For the average-sized foot, thestrap 20 may have a length of approximately 9.0 inches and a diameter of approximately 0.5 inches. Accordingly, thestrap 20 and theinsole 14 provide a comfortable contact surface for the foot, while also being water-resistant, if not water-proof, like theinsole 14. - As also shown in
FIGS. 1 and 5 , thefastening member 22 may be a strip of woventextile 23 that is configured to provide a loop through which thestrap 20 extends. A plastic orlatex tube 25 may be used to secure together ends 44 of the fastening member. - As mentioned, the ends 24 of the
upper members 18 are securely affixed to the sole 12 by adhesive or glue. In the illustrated embodiment ofFIGS. 1, 5 and 6,apertures 26 are configured in theinsole 14 to permit theends 24 to pass through theinsole 14 and come into direct contact with theoutsole 16. In that regard, theapertures 26 are configured in theinner structure 30 before it is immersed in the vinyl polymer, so that the apertures are, too, provided with thecoating 32. - Accordingly, the footwear of
FIG. 1 may be constructed substantially by the following steps: -
- Step 1: providing the
outsole 16; - Step 2: forming the
insole 14, including preparing the resin composition and configuring it into theinner structure 30; - Step 3: immersing the
inner structure 30 in the vinyl polymer to provide thecoating 32; - Step 4: forming the
strap 20 of theupper members 18, including preparing the resin composition and configuring it into theinner structure 40; - Step 5: immersing the
inner structure 40 in the vinyl polymer to provide thecoating 42; - Step 6: providing the
upper members 18, including arranging thestrap 20, thefastening member 22 and thetube 25 relative to each other; and - Step 7: securely affixing to each other, the
outsole 16, theinsole 14 and theupper members 18 by adhesive or glue.
- Step 1: providing the
- The method of the present invention may also involve the following steps:
-
- Step 2a: forming the
apertures 26 in theinner structure 30 before it is immersed in the vinyl polymer.
- Step 2a: forming the
- Moreover, Steps 4 and 5 may be bypassed if the
upper members 18 are not to be constructed of the marine buoy material. It is therefore understood by one of ordinary skill in the art that the foregoing steps need not be taken in the sequence presented, nor does each step need to be taken in manufacturing thefootwear 10. The method may be altered as appropriate or desired depending on the desired configuration and/or embodiments of the footwear as described further below. - As illustrated in
FIGS. 7-11 , theupper members 18 may adopt an unlimited number of variations in their configuration or manner of construction. Theupper members 18 may take the form of two converging, relatively thin members 18 a (FIG. 7 ), a continuous,wider member 18 b in combination with afastening member 22 b (FIGS. 8 and 9 ), or even two overlapping (adjustable) flaps 18 c that are detachable by Velcro® pads (FIGS. 10, 11 and 12). The materials of which these upper members are constructed may be man-made or otherwise, including pseudo-suede, nylon or nylon-based textiles, or the like. As illustrated, the apertures 26 (that is, the shape and size) are configured in conformity with the particularupper members 18 employed with the footwear. - As illustrated in
FIGS. 8-11 , the sole 12 may also adopt unlimited variations in its configuration. In these illustrated embodiments, anoutsole 44 is configured to with an upwardly extending peripheral border 50 (best illustrated inFIGS. 9 and 11 ) surrounding the relativelylower surface 52 on which theinsole 14 sits. Thus, unlike theoutsole 16 ofFIGS. 1-6 which is of a substantially uniform thickness, theoutsole 44 provides theperipheral border 50 which may have a thickness T of approximately 5/16 inch and a depth D of approximately ¼ inch. - For these other embodiment of the footwear of the present invention, the manufacturing thereof may substantially follow the steps set forth above. Clearly, where the upper members are configured or constructed differently, the steps may be altered as appropriate or desired.
- Although the foregoing discloses the presently preferred embodiments of the present invention, it is understood that the those skilled in the art may make various changes to the preferred embodiments shown and described without departing from the scope of the invention. As such, the invention is defined only by the following claims.
Claims (25)
1-9. (canceled)
10. A method for producing a footwear with an insole, an outsole and upper members, comprising the steps of:
providing the outsole;
forming the insole by configuring an inner structure from a thermoplastic resin;
immersing the inner structure in a vinyl polymer;
arranging the upper members relative to the insole and the outsole;
securely affixing the insole, the outsole and the upper members to each other.
11. A method according to claim 10 , wherein the step of forming the insole further comprises:
providing apertures in the inner structure.
12. A method according to claim 10 , further comprising:
forming a strap of the upper members by configuring a strap inner structure from a thermoplastic resin;
immersing the strap inner structure in a vinyl polymer.
13. A method according to claim 10 , wherein the step of providing the outsole further comprises:
forming an outer peripheral border.
14. A method according to claim 10 , further comprising:
adding a color pigment in said vinyl polymer.
15. A method according to claim 14 , further comprising:
changing the color pigment in said vinyl polymer.
16. A method according to claim 14 , wherein said thermoplastic resin composition comprises nature polybutadine rubber, polyvinyl chloride past resin, filler talc, foaming agent, plasticizer and process oil.
17. A method according to claim 14 , wherein said vinyl polymer includes a color pigment selected in accordance with a color of the upper members.
18. A method for producing a footwear with an insole, an outsole and upper members, comprising of:
providing the outsole;
forming the insole by configuring an inner compressible structure to have a top surface, a bottom surface and a side surface extending around the perimeter of the inner structure between the top and bottom surfaces;
immersing the inner structure in a vinyl polymer to form an outer coating that is a water barrier;
arranging the upper members relative to the insole and the outsole;
securely affixing the insole, the outsole and the upper members to each other.
19. The method of claim 18 , wherein the inner compressible structure is a different material than the outer coating.
20. The method of claim 19 , wherein the inner compressible structure is a thermoplastic resin.
21. The method of claim 19 , wherein the inner compressible structure is a thermoplastic resin that compresses to cushion a foot of a wearer.
22. The method of claim 19 , wherein the inner compressible structure is a thermoplastic resin that compresses to generally conform to a shape of a foot of a wearer.
23. The method of claim 18 , wherein the inner compressible structure has a low density relative to the outsole.
24. The method of claim 18 , wherein the inner compressible structure is a single layer of compressible material and the outer coating contacts the top and side surfaces of the compressible structure.
25. The method of claim 18 , wherein the footwear is buoyant.
26. The method of claim 18 , wherein the outsole is wear resistant relative to the insole.
27. The method of claim 18 , wherein the inner compressible structure is compressible compared to the outsole.
28. The method of claim 20 , wherein the thermoplastic resin contains plasticizer.
29. The method of claim 18 wherein immersing forms a seamless continuous layer that substantially covers the entire top, bottom and side surfaces of the compressible structure.
30. The method of claim 10 , further comprising providing aperatures in the inner structure before immersing the inner structure in the vinyl polymer.
31. The method of claim 18 , further comprising providing aperatures in the inner structure before immersing the inner structure in the vinyl polymer.
32. The method of claim 10 , wherein the thermoplastic resin comprises rubber and PVC.
33. The method of claim 18 , wherein the inner compressible structure comprises rubber and PVC.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/336,641 US20060265901A1 (en) | 2000-10-17 | 2006-01-20 | Water-resistant and floatable footwear and method of manufacture therefor |
US12/370,572 US20090255065A1 (en) | 2000-10-17 | 2009-02-12 | Water-resistant and floatable footwear and method of manufacture therefor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/690,552 US6508016B1 (en) | 2000-10-17 | 2000-10-17 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/264,015 US6766598B2 (en) | 2000-10-17 | 2002-10-03 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/790,375 US20040168346A1 (en) | 2000-10-17 | 2004-02-29 | Water-resistant and floatable footwear and method of manufacture therefor |
US11/336,641 US20060265901A1 (en) | 2000-10-17 | 2006-01-20 | Water-resistant and floatable footwear and method of manufacture therefor |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/790,375 Continuation US20040168346A1 (en) | 2000-10-17 | 2004-02-29 | Water-resistant and floatable footwear and method of manufacture therefor |
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US12/370,572 Continuation US20090255065A1 (en) | 2000-10-17 | 2009-02-12 | Water-resistant and floatable footwear and method of manufacture therefor |
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US20060265901A1 true US20060265901A1 (en) | 2006-11-30 |
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US09/690,552 Expired - Lifetime US6508016B1 (en) | 2000-10-17 | 2000-10-17 | Water-resistant and floatable footwear and method of manufacture therefor |
US09/949,388 Expired - Fee Related US6477790B2 (en) | 2000-10-17 | 2001-09-07 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/264,015 Expired - Fee Related US6766598B2 (en) | 2000-10-17 | 2002-10-03 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/790,375 Abandoned US20040168346A1 (en) | 2000-10-17 | 2004-02-29 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/847,262 Abandoned US20040211089A1 (en) | 2000-10-17 | 2004-05-17 | Water-resistant and floatable footwear and method of manufacture therefor |
US11/336,641 Abandoned US20060265901A1 (en) | 2000-10-17 | 2006-01-20 | Water-resistant and floatable footwear and method of manufacture therefor |
US11/336,522 Abandoned US20070017121A1 (en) | 2000-10-17 | 2006-01-20 | Water-resistant and floatable footwear and method of manufacture therefor |
US12/370,572 Abandoned US20090255065A1 (en) | 2000-10-17 | 2009-02-12 | Water-resistant and floatable footwear and method of manufacture therefor |
US12/431,707 Abandoned US20090211113A1 (en) | 2000-10-17 | 2009-04-28 | Water-resistant and floatable footwear and method of manufacture therefor |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/690,552 Expired - Lifetime US6508016B1 (en) | 2000-10-17 | 2000-10-17 | Water-resistant and floatable footwear and method of manufacture therefor |
US09/949,388 Expired - Fee Related US6477790B2 (en) | 2000-10-17 | 2001-09-07 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/264,015 Expired - Fee Related US6766598B2 (en) | 2000-10-17 | 2002-10-03 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/790,375 Abandoned US20040168346A1 (en) | 2000-10-17 | 2004-02-29 | Water-resistant and floatable footwear and method of manufacture therefor |
US10/847,262 Abandoned US20040211089A1 (en) | 2000-10-17 | 2004-05-17 | Water-resistant and floatable footwear and method of manufacture therefor |
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US11/336,522 Abandoned US20070017121A1 (en) | 2000-10-17 | 2006-01-20 | Water-resistant and floatable footwear and method of manufacture therefor |
US12/370,572 Abandoned US20090255065A1 (en) | 2000-10-17 | 2009-02-12 | Water-resistant and floatable footwear and method of manufacture therefor |
US12/431,707 Abandoned US20090211113A1 (en) | 2000-10-17 | 2009-04-28 | Water-resistant and floatable footwear and method of manufacture therefor |
Country Status (3)
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---|---|
US (9) | US6508016B1 (en) |
CN (1) | CN1245118C (en) |
HK (1) | HK1048743A1 (en) |
Cited By (2)
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US20140325874A1 (en) * | 2013-05-06 | 2014-11-06 | Yolanda Irizar Bermudez | Toe Buddies Sandal Toe Guard |
USD806999S1 (en) | 2016-02-20 | 2018-01-09 | Ono O. Donahue | Toe spacer with magnet cap for decorative items |
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US7490419B1 (en) * | 2004-12-29 | 2009-02-17 | Dennis E. Weiland | Support devices for distributing pressure |
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US20180271207A1 (en) * | 2017-03-24 | 2018-09-27 | Sandra L. Ruggiero | Sandals with adjustable, flexible and exchangeable ribbon upper |
US11178934B2 (en) * | 2018-07-18 | 2021-11-23 | Bolt Threads Inc. | Resilin material footwear and fabrication methods |
USD991642S1 (en) * | 2021-09-17 | 2023-07-11 | Nike, Inc. | Shoe |
USD1011723S1 (en) * | 2021-09-17 | 2024-01-23 | Nike, Inc. | Shoe |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140325874A1 (en) * | 2013-05-06 | 2014-11-06 | Yolanda Irizar Bermudez | Toe Buddies Sandal Toe Guard |
USD806999S1 (en) | 2016-02-20 | 2018-01-09 | Ono O. Donahue | Toe spacer with magnet cap for decorative items |
Also Published As
Publication number | Publication date |
---|---|
US20090255065A1 (en) | 2009-10-15 |
US20070017121A1 (en) | 2007-01-25 |
CN1365642A (en) | 2002-08-28 |
US20040211089A1 (en) | 2004-10-28 |
US20030088998A1 (en) | 2003-05-15 |
CN1245118C (en) | 2006-03-15 |
US6477790B2 (en) | 2002-11-12 |
US6766598B2 (en) | 2004-07-27 |
US20020092200A1 (en) | 2002-07-18 |
HK1048743A1 (en) | 2003-04-17 |
US20090211113A1 (en) | 2009-08-27 |
US20040168346A1 (en) | 2004-09-02 |
US6508016B1 (en) | 2003-01-21 |
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