WO1992000880A1 - An improved container - Google Patents

An improved container Download PDF

Info

Publication number
WO1992000880A1
WO1992000880A1 PCT/AU1991/000138 AU9100138W WO9200880A1 WO 1992000880 A1 WO1992000880 A1 WO 1992000880A1 AU 9100138 W AU9100138 W AU 9100138W WO 9200880 A1 WO9200880 A1 WO 9200880A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
legs
webs
angular extent
web
Prior art date
Application number
PCT/AU1991/000138
Other languages
French (fr)
Inventor
David Geoffrey Colahan
Michael Kroczak
Mervyn Richard Olds
Steven John Thorpe
Original Assignee
S.C.I. Operations Pty Limited Trading As Smorgon Plastics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S.C.I. Operations Pty Limited Trading As Smorgon Plastics filed Critical S.C.I. Operations Pty Limited Trading As Smorgon Plastics
Publication of WO1992000880A1 publication Critical patent/WO1992000880A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/0261—Bottom construction
    • B65D1/0284—Bottom construction having a discontinuous contact surface, e.g. discrete feet

Definitions

  • This invention relates to an improved container and in particular to an improvement to a plastic container such as a moulded or blow-moulded plastic container, having a base of a particular shape and configuration, such as to impart, inter alia, features of strength, rigidity and stability to such containers.
  • a plastic container such as a moulded or blow-moulded plastic container, having a base of a particular shape and configuration, such as to impart, inter alia, features of strength, rigidity and stability to such containers.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is no greater than 8°.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6°-8°.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is 6.5°.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is 7°.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is no greater than 8°, and wherein the width of said webs decreases outwardly towards the periphery of said base.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6° to 7°, and wherein the width of said webs decreases outwardly towards said periphery from 9.0 mm to 6.0 mm.
  • a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6° to 7°, and wherein the width of said webs decreases outwardly towards said periphery from 6.0 mm to 5.0 mm.
  • Fig. 1 is a perspective view of a container according to one form of the present invention
  • Fig. 2 is an inverted underside view of a base configuration of a container according to one form of the present invention
  • Fig. 3 is an underside view of a base configuration of a container according to one form of the present invention
  • Fig. 4 is an underside view of a base configuration of a container according to one form of the present invention.
  • the present invention provides a container, preferably a plastic container, which incorporates a base configuration which imparts features of commercial acceptability, strength and stability to the container, as compared with containers previously used on the market and as previously disclosed.
  • the container 1 is in the form of a bottle, and is formed of an appropriate thermoplastic material or plastic material, and is preferably moulded.
  • the bottle 1 has a neck 2 and a shoulder 3, the container being of a generally elongate cylindrical configuration and having a base configuration 4.
  • the base configuration 4 is of a generally circular and hemispherical configuration.
  • the base configuration 4 is formed with five spaced-apart leg formations 6 which are provided with feet 7 at the ends thereof.
  • the legs 6 are formed so as to be spaced apart one from the other by spacing ribs or webs 8.
  • the webs 8 between the legs 6 extend from a substantially medial point of the underside of the base 4, to the outer periphery of the base, the webs preferably tapering and thus lessening in width as they extend outwardly towards the periphery of the base.
  • the present container has substantially enhanced features of stability and acceptance, by reducing substantially the width and angular extent of the webs between the legs 6.
  • the webs 8 extending between the legs 6 have a substantially reduced width and are defined by an angular extent of less than 8°.
  • each leg and web formation is 72°.
  • the width of each web is defined by each web having an angular extent of less than 8°. This is substantially less than the angular extents referred to in the prior art and in particular referred to in Australian patent specification No 26754/88 and United States patent specification No 4,785,949.
  • the reduced angular extent of the webs, and the increased angular extent of each leg formation has however resulted in a substantially improved container.
  • Fig. 3 of the accompanying drawings shows an underside view of a base configuration according to one form of the present invention.
  • the angular extent of each web formation 8 is 7° wherein the angular extent of each leg formation 6 is 65°.
  • the webs 8 taper as they extend outwardly towards the periphery of the base, the webs 8 tapering from an initial width of 6 mm to a width of 5 mm at or adjacent the periphery of the base configuration. This is however by way of example only.
  • the width of the webs 8 is defined by the webs having an angular extent of 6.5°, whereas the angular extent of each leg portion 6 is 65.5°.
  • the webs taper or diminish in width as they extend outwardly towards the periphery of the base configuration, having an initial width of 9 mm and tapering to an outer width of 6 mm.
  • each web 8 in a base configuration having five legs will be less than 9° and preferably in the range of from 6.5 - 7°.
  • the width and annular extent of the webs 8 is reduced in relation to previously known and used webs, the dimensions of such angular extents and webs being referred to and described hereinbefore. It has been found that by reducing the angular extent and width of the webs, such as in the manner referred to hereinbefore, additional material utilised in the formation of the base is able to be utilised and formed in the formation of the legs 6, so that the legs and feet are extended and expanded outwardly to a greater extent than has previously been possible, these extended legs and feet allowing for a substantially improved container and in particular resulting in a container having enhanced features of stability. It should be appreciated that the invention has been described by way of example only and that modifications and improvements may be made to the invention without departing from the scope thereof as defined in the appended claims.

Abstract

A container (1) having a base configuration (4) of a generally circular outline and which includes five legs (6) extending therefrom and terminating in foot portions (7). The legs (6) are formed so as to be spaced apart one from the other by spacing ribs or webs (8), the angular extent of each spacing rib or web (8) being no greater than 8°.

Description

FIELD OF INVENTION
This invention relates to an improved container and in particular to an improvement to a plastic container such as a moulded or blow-moulded plastic container, having a base of a particular shape and configuration, such as to impart, inter alia, features of strength, rigidity and stability to such containers.
BACKGROUND TO THE PRESENT INVENTION
Many containers are known and have been produced, which include bases having a configuration which is essentially hemispherical and which have projecting therefrom a plurality of spaced-apart legs terminating in feet, the portions of the base configuration between the legs being in the form of webs of varying width. Such bases have been found to be vulnerable and unstable, especially when such containers are internally pressurised, such as for the sale of carbonated beverages and the like.
It is generally accepted that for such containers to be commercially acceptable, they must be able to withstand the internal pressure (resulting from being pressurised), they must have a certain resistance to dropping and they must have standing stability and strength.
Such arrangements have already been described and disclosed, for example in United States patent specification No 3,598,270 and Australian patent specification No 25754/88.
Particularly in the prior art Australian patent specification No 26754/88, reference is made to the need to reduce the number of legs in a base to five from six, and to extend the width of the spacing between each of the five legs beyond that found in prior containers incorporating a base having six legs. It is, for example, stated in Australian patent specification No 26754/88, that there are substantial advantages in providing a base for a container, wherein the base has five legs, the spacing between each of the five legs being of an angular extent of 30° and greater. In such arrangements, the angular extent of each leg is in the order of 40°. It is stated in the Australian patent specification No 26754/88 and in United States patent specification No 4,785,949 that such spacings between the five legs are substantially greater than the spacings found in containers referred to as being prior art before the filing of Australian patent specification No 26754/88 and United States patent specification No 4,785,949.
In such prior art arrangements involving containers having bases with six feet, it is stated that the spacing between each foot had an angular extent in the order of 20° and that this led to, and resulted in, problems.
It has been found that the configurations and dimensions associated with known containers and as referred to in Australian patent specification No 26754/88 and United States patent specification No 4,785,949 are not commercially satisfactory. Such configurations and dimensions do not impart sufficient features of strength and stability to the containers and the bases therefor.
It is an object of this invention to provide a straight¬ forward and efficient container having a base configuration which meets commercial requirements and overcomes, or at least minimises, previous problems.
Other objects of this invention will become apparent from the following description. SUMMARY OF THE PRESENT INVENTION
According to one aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is no greater than 8°.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6°-8°.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is 6.5°.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is 7°.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is no greater than 8°, and wherein the width of said webs decreases outwardly towards the periphery of said base.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6° to 7°, and wherein the width of said webs decreases outwardly towards said periphery from 9.0 mm to 6.0 mm.
According to a further aspect of this invention there is provided a container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is from 6° to 7°, and wherein the width of said webs decreases outwardly towards said periphery from 6.0 mm to 5.0 mm.
BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
This invention will now be described by way of example only and with reference to the accompanying drawings, wherein:
Fig. 1 is a perspective view of a container according to one form of the present invention,
Fig. 2 is an inverted underside view of a base configuration of a container according to one form of the present invention,
Fig. 3 is an underside view of a base configuration of a container according to one form of the present invention and Fig. 4 is an underside view of a base configuration of a container according to one form of the present invention.
DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION
This invention will now be described by way of example only and it should be appreciated that improvements and modifications may be made thereto without departing from the scope of the invention, as defined by the appended claims.
As referred to hereinbefore, the present invention provides a container, preferably a plastic container, which incorporates a base configuration which imparts features of commercial acceptability, strength and stability to the container, as compared with containers previously used on the market and as previously disclosed.
Referring to the accompanying drawings, the container 1 is in the form of a bottle, and is formed of an appropriate thermoplastic material or plastic material, and is preferably moulded. The bottle 1 has a neck 2 and a shoulder 3, the container being of a generally elongate cylindrical configuration and having a base configuration 4. The base configuration 4 is of a generally circular and hemispherical configuration.
The base configuration 4 is formed with five spaced-apart leg formations 6 which are provided with feet 7 at the ends thereof.
The legs 6 are formed so as to be spaced apart one from the other by spacing ribs or webs 8.
The webs 8 between the legs 6 extend from a substantially medial point of the underside of the base 4, to the outer periphery of the base, the webs preferably tapering and thus lessening in width as they extend outwardly towards the periphery of the base.
It has been further found that in comparison to the dimensions utilised in prior art containers, and in particular as referred to in Australian patent specification No 26754/88 and United States patent specification No 4,785,949, the present container has substantially enhanced features of stability and acceptance, by reducing substantially the width and angular extent of the webs between the legs 6.
Thus, in the present invention, the webs 8 extending between the legs 6 have a substantially reduced width and are defined by an angular extent of less than 8°.
As will be appreciated, given the substantially circular nature of the base configuration and the provision of five- leg formations, the angular extent allowed for each leg and web formation is 72°. Thus, in the present invention the width of each web is defined by each web having an angular extent of less than 8°. This is substantially less than the angular extents referred to in the prior art and in particular referred to in Australian patent specification No 26754/88 and United States patent specification No 4,785,949. The reduced angular extent of the webs, and the increased angular extent of each leg formation, has however resulted in a substantially improved container.
Referring now to Fig. 3 of the accompanying drawings, this shows an underside view of a base configuration according to one form of the present invention. In such a form of the invention the angular extent of each web formation 8 is 7° wherein the angular extent of each leg formation 6 is 65°. In the form of the invention shown with reference to Fig. 3 of the drawings and by way of example only, the webs 8 taper as they extend outwardly towards the periphery of the base, the webs 8 tapering from an initial width of 6 mm to a width of 5 mm at or adjacent the periphery of the base configuration. This is however by way of example only.
Referring to Fig. 4 of the accompanying drawings, in this form of the invention the width of the webs 8 is defined by the webs having an angular extent of 6.5°, whereas the angular extent of each leg portion 6 is 65.5°. Again, by way of example only, in this preferred form of the invention the webs taper or diminish in width as they extend outwardly towards the periphery of the base configuration, having an initial width of 9 mm and tapering to an outer width of 6 mm.
The examples referred to above, with particular reference to Figs 3 and 4 of the drawings are by way of example only, but it will be appreciated that the angular extent of each web 8 in a base configuration having five legs will be less than 9° and preferably in the range of from 6.5 - 7°.
Thus, it should be appreciated that in the present invention, the width and annular extent of the webs 8 is reduced in relation to previously known and used webs, the dimensions of such angular extents and webs being referred to and described hereinbefore. It has been found that by reducing the angular extent and width of the webs, such as in the manner referred to hereinbefore, additional material utilised in the formation of the base is able to be utilised and formed in the formation of the legs 6, so that the legs and feet are extended and expanded outwardly to a greater extent than has previously been possible, these extended legs and feet allowing for a substantially improved container and in particular resulting in a container having enhanced features of stability. It should be appreciated that the invention has been described by way of example only and that modifications and improvements may be made to the invention without departing from the scope thereof as defined in the appended claims.

Claims

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1. A container having a base configuration of a generally circular outline and including five legs extending therefrom and terminating in foot portions; webs being provided between said legs; characterised in that the angular extent of each web is no greater than 8°.
2. A container as claimed in claim 1, characterized in that the angular extent of each web is from 6° - 8°.
3. A container as claimed in claim 1 or claim 2, wherein the angular extent of each web is 6.5°.
4. A container as claimed in claim 1 or claim 2, characterized in that the angular extent of each web is 7°.
5. A container as claimed in any one of the preceding claims, and wherein the width of said webs decreases outwardly towards the periphery of said base.
6. A container as claimed in claim 1 or claim 2, characterized in that the angular extent of each web is from 6° to 7°, and wherein the width of said webs decreases outwardly towards the periphery of said base, from 9 mm to
6 mm.
7. A container as claimed in claim 1 or claim 2, characterized in that the angular extent of each web is from 6 ° to 7° and wherein the width of said webs decreases outwardly towards the periphery of said base, from 6 mm to
5 mm.
8. A container as claimed in claim 1, substantially as hereinbefore described, and with reference to Figs 1, 2 and 3 of the accompanying drawings.
9. A container as claimed in claim 1, substantially as hereinbefore described, with reference to Figs 1, 2 and 4 of the accompanying drawings.
PCT/AU1991/000138 1990-07-09 1991-04-11 An improved container WO1992000880A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK1081 1990-07-09
AUPK108190 1990-07-09

Publications (1)

Publication Number Publication Date
WO1992000880A1 true WO1992000880A1 (en) 1992-01-23

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ID=3774813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1991/000138 WO1992000880A1 (en) 1990-07-09 1991-04-11 An improved container

Country Status (2)

Country Link
JP (1) JPH06501225A (en)
WO (1) WO1992000880A1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5529196A (en) * 1994-09-09 1996-06-25 Hoover Universal, Inc. Carbonated beverage container with footed base structure
US5549210A (en) * 1993-12-13 1996-08-27 Brunswick Container Corporation Wide stance footed bottle with radially non-uniform circumference footprint
US5615790A (en) * 1990-11-15 1997-04-01 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US5664695A (en) * 1995-01-06 1997-09-09 Plastipak Packaging, Inc. Plastic blow molded freestanding container
WO1999012817A1 (en) * 1997-09-10 1999-03-18 Plastipak Packaging, Inc. Plastic blow molded container having stable freestanding base
US5988416A (en) * 1998-07-10 1999-11-23 Crown Cork & Seal Technologies Corporation Footed container and base therefor
US6085924A (en) * 1998-09-22 2000-07-11 Ball Corporation Plastic container for carbonated beverages
US6296471B1 (en) 1998-08-26 2001-10-02 Crown Cork & Seal Technologies Corporation Mold used to form a footed container and base therefor
US6589779B1 (en) 1999-07-16 2003-07-08 Board Of Regents, The University Of Texas System General signaling protocol for chemical receptors in immobilized matrices
EP1983051A2 (en) 2007-04-20 2008-10-22 Roche Diagnostics GmbH Isolation and purification of nucleic acid molecules with solid phase
US7461756B2 (en) * 2005-08-08 2008-12-09 Plastipak Packaging, Inc. Plastic container having a freestanding, self-supporting base
EP2108700A1 (en) 2008-04-08 2009-10-14 Roche Diagnostics GmbH Analytical processing and detection device
EP2186564A1 (en) 2008-11-12 2010-05-19 F. Hoffmann-Roche AG MWP lid separation
EP2913398A1 (en) 2007-08-27 2015-09-02 Life Technologies Corporation Methods and compositions for PCR

Families Citing this family (4)

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JP5424100B2 (en) * 2009-07-13 2014-02-26 大日本印刷株式会社 Pressure resistant bottle
JP5370835B2 (en) * 2009-07-13 2013-12-18 大日本印刷株式会社 Pressure resistant bottle
CN102470950B (en) * 2009-07-13 2014-03-12 大日本印刷株式会社 Plastic bottle
JP5428604B2 (en) * 2009-07-13 2014-02-26 大日本印刷株式会社 Plastic bottle

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6260724B1 (en) 1990-11-15 2001-07-17 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US5615790A (en) * 1990-11-15 1997-04-01 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US6908002B2 (en) 1990-11-15 2005-06-21 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US5685446A (en) * 1990-11-15 1997-11-11 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US5850931A (en) * 1990-11-15 1998-12-22 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US6659299B2 (en) 1990-11-15 2003-12-09 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US7198163B2 (en) 1990-11-15 2007-04-03 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US7520400B2 (en) 1990-11-15 2009-04-21 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US5549210A (en) * 1993-12-13 1996-08-27 Brunswick Container Corporation Wide stance footed bottle with radially non-uniform circumference footprint
US5529196A (en) * 1994-09-09 1996-06-25 Hoover Universal, Inc. Carbonated beverage container with footed base structure
US5664695A (en) * 1995-01-06 1997-09-09 Plastipak Packaging, Inc. Plastic blow molded freestanding container
US6019236A (en) * 1997-09-10 2000-02-01 Plastipak Packaging, Inc. Plastic blow molded container having stable freestanding base
WO1999012817A1 (en) * 1997-09-10 1999-03-18 Plastipak Packaging, Inc. Plastic blow molded container having stable freestanding base
US6213325B1 (en) 1998-07-10 2001-04-10 Crown Cork & Seal Technologies Corporation Footed container and base therefor
US5988416A (en) * 1998-07-10 1999-11-23 Crown Cork & Seal Technologies Corporation Footed container and base therefor
US6296471B1 (en) 1998-08-26 2001-10-02 Crown Cork & Seal Technologies Corporation Mold used to form a footed container and base therefor
US6085924A (en) * 1998-09-22 2000-07-11 Ball Corporation Plastic container for carbonated beverages
US6589779B1 (en) 1999-07-16 2003-07-08 Board Of Regents, The University Of Texas System General signaling protocol for chemical receptors in immobilized matrices
US7461756B2 (en) * 2005-08-08 2008-12-09 Plastipak Packaging, Inc. Plastic container having a freestanding, self-supporting base
EP1983051A2 (en) 2007-04-20 2008-10-22 Roche Diagnostics GmbH Isolation and purification of nucleic acid molecules with solid phase
US8101744B2 (en) 2007-04-20 2012-01-24 Roche Diagnostics Operations, Inc. Isolation and purification of nucleic acids with a solid phase
EP2913398A1 (en) 2007-08-27 2015-09-02 Life Technologies Corporation Methods and compositions for PCR
EP2108700A1 (en) 2008-04-08 2009-10-14 Roche Diagnostics GmbH Analytical processing and detection device
EP2108699A1 (en) 2008-04-08 2009-10-14 F.Hoffmann-La Roche Ag Analytical processing and detection device
EP2186564A1 (en) 2008-11-12 2010-05-19 F. Hoffmann-Roche AG MWP lid separation
EP2189218A1 (en) 2008-11-12 2010-05-26 F. Hoffmann-Roche AG Multiwell plate lid separation

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