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WO2005000702A1 - Closure for collapsible container - Google Patents

Closure for collapsible container Download PDF

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Publication number
WO2005000702A1
WO2005000702A1 PCT/AU2004/000841 AU2004000841W WO2005000702A1 WO 2005000702 A1 WO2005000702 A1 WO 2005000702A1 AU 2004000841 W AU2004000841 W AU 2004000841W WO 2005000702 A1 WO2005000702 A1 WO 2005000702A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
container
valve
air
spring
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/AU2004/000841
Other languages
French (fr)
Inventor
Scott Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2003903313A external-priority patent/AU2003903313A0/en
Priority claimed from AU2003904640A external-priority patent/AU2003904640A0/en
Application filed by Individual filed Critical Individual
Priority to JP2006515554A priority Critical patent/JP2007537931A/en
Priority to US10/562,770 priority patent/US20070007233A1/en
Priority to NZ544869A priority patent/NZ544869A/en
Priority to EP04737462A priority patent/EP1648795A4/en
Priority to AU2004251789A priority patent/AU2004251789A1/en
Publication of WO2005000702A1 publication Critical patent/WO2005000702A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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—Rigid or semi-rigid 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 or 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
    • B65D1/0292—Foldable bottles
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve

Definitions

  • This invention relates to closures for collapsible containers.
  • closure means for a collapsible liquid container having an externally threaded spout comprising: (a) a cap having air bleed means; (b) a valve located within the spout said valve having a peripheral flange adapted to be seated between the top edge of the threaded spout and the cap, and a semispherical diaphragm dome which extends into the spout, the arrangement and construction being such that as the liquid content of the container is reduced, headspace air within the container can be evacuated via the air bleed means.
  • the bleed means may include an air passage situated on the inner wall of the cap and an aperture or apertures in the top or side walls of the cap which vent the interiors of the container to atmosphere.
  • the spout includes a peripheral internally directed ledge.
  • the valve may be moulded in a material such as silicone or similar.
  • the cap may be moulded in plastics.
  • the container may be moulded in plastics.
  • the container may be formed from a laminate including a paperboard.
  • the closure means may include a biasing spring positioned between the base of the dome and the cap.
  • Fioure 1 is a sectional drawing of the spout of a flexible container showing closure means according to the present invention
  • Figure 2 is a side view of a flexible bottle container showing the closure means of the present invention detached
  • Figure 3 is a side view of a box-type container showing the closure means of the present invention attached thereto.
  • Figures 4. 5. 6 and 7 are sectional drawings of a further possible form of the present invention.
  • the present invention provides a closure means generally indicated by arrow 1 for fixture to a collapsible liquid container 2, 3.
  • the closure means comprises a cap 4 having an air bleed facility and a valve generally indicated by arrow 5.
  • the valve is provided with a peripheral flange 6 which is adapted to be seated between the top edge 7 of a threaded spout 8 of the container and he top wall 9 of the cap 4, and semi-spherical dome 10 which extends into the spout.
  • An air bleed facility is provided by an interaction between the cap 4 and the valve 5.
  • the cap 4 is provided with an internal thread 11 to match the external thread 12 of the container.
  • the internal walls of the cap are provided with a plurality of flutes 13 each of the flutes leading to apertures 14 in the top wall of the flutes.
  • the cap and diaphragm are replaced and axial pressure is applied to the container forcing the ledge of the diaphragm to lift and air is evacuated via the apertures in the manner illustrated by figure 1.
  • the cap is set to "vent" at one half turn from the fully sealed position thus allowing the valve clearance from the cap and the bottle.
  • the fluid in the container reaches the valve its buoyancy locks it against the cap creating an air lock and stopping further evacuation of air or moisture. Recoil from the collapsing container creates reverse suction that forces the valve back onto the top edge of the spout of the bottle, thus creating the hydraulic lock required to prevent re-inflation of the bottle.
  • a final permanent seal is created by twisting the cap until it is fully closed.
  • Indicia on the cap and bottle can be provided which indicate both sealed and venting positions.
  • the venting path of air from the headspace is indicated by the directional arrows to the right hand side of figure 1.
  • Evacuated air passes over the top edge 7 of the spout 8 of the container around the flange 6 and is vented via apertures 14 in the top wall 9 of the cap.
  • a supplementary air vent (not shown) may be provided in the side wall of the cap to reduce the chances of a person's eyes being splashed by liquid venting process.
  • the closure means can be used on any form of collapsible container.
  • Figure 2 of the drawings i.lustrates a container 2 similar to that described by my Australian patent no.
  • Figure 3 of the drawings illustrates a box-type container 3 similar to the well known Tetra-pakTM.
  • the closure may include a biasing spring 15 positioned between the base 16 of the dome 10 and the underside of the cap 4.
  • the spring 15 may be fabricated from stainless steel or food grade plastics and regulates the flow of air and liquid.
  • Figure 4 of the drawings shows the cap in a "compression" position. As a container 2 is compressed, air passes by the seal of the buoyancy valve and escapes via the bleeder holes in the top of the cap in a similar manner to that described in relation to figure 1. When fluid in the container 2 reaches.
  • valve 5 causes it to rise and block the flow of air via the bleeder holes as is the situation illustrated by figure 5. Once this happens, the container can no longer be compressed.
  • the container is released (figure 6) recoil from the concertina in the container draws the valve on to the container neck creating a hydraulic lock. With the valve in this position, the container cannot reinflate.
  • the cap is then tightened (figure 7) to create a permanent seal.
  • the spring 15 can be secured by upper and lower saddles 17, 18 formed in the dome and cap respectively.
  • the closure means of the present invention provides an economic, secure and simply operated device for venting collapsible containers to reduce headspaces. Aspects of the present invention have been described by way of example only and modifications and additions thereto may be made without departing from the spirit or scope thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

A closure (1) for flexible packaging (2, 3) with a floating valve (5) which is a situated within the cap (4). The cap (4) is provided with holes (14) to allow for escape of air. The valve (5) may incorporate a spring (15) to regulate flow of air upon collapse of container (2, 3).

Description

CLOSURE FOR COLLAPSIBLE CONTAINER
Field of Invention This invention relates to closures for collapsible containers.
Background Art In my Australian patent no. 738438, I have described a collapsible container having an internal closure valve. As the container is emptied of its contents, the side walls of the container are able to collapse reducing the volume of the container, the closure valve providing a seal between the remaining contents and the spout of the container. The present invention has similar objectives to the invention described by my Australian patent no. 738438 and is primarily aimed at reducing the costs of such containers. Further objects and advantages of the present invention will become apparent from the ensuing description which is given by way of example only.
Disclosure of Invention According to the present invention, there is provided closure means for a collapsible liquid container having an externally threaded spout, said closure means comprising: (a) a cap having air bleed means; (b) a valve located within the spout said valve having a peripheral flange adapted to be seated between the top edge of the threaded spout and the cap, and a semispherical diaphragm dome which extends into the spout, the arrangement and construction being such that as the liquid content of the container is reduced, headspace air within the container can be evacuated via the air bleed means. The bleed means may include an air passage situated on the inner wall of the cap and an aperture or apertures in the top or side walls of the cap which vent the interiors of the container to atmosphere. The spout includes a peripheral internally directed ledge. The valve may be moulded in a material such as silicone or similar. The cap may be moulded in plastics. The container may be moulded in plastics. The container may be formed from a laminate including a paperboard. The closure means may include a biasing spring positioned between the base of the dome and the cap. Brief Description of the Drawings Aspects of the present invention will now be described with reference to the accompanying drawings in which: Fioure 1 is a sectional drawing of the spout of a flexible container showing closure means according to the present invention, and Figure 2 is a side view of a flexible bottle container showing the closure means of the present invention detached, and Figure 3 is a side view of a box-type container showing the closure means of the present invention attached thereto. Figures 4. 5. 6 and 7 are sectional drawings of a further possible form of the present invention. With respect to the drawings, the present invention provides a closure means generally indicated by arrow 1 for fixture to a collapsible liquid container 2, 3. The closure means comprises a cap 4 having an air bleed facility and a valve generally indicated by arrow 5. The valve is provided with a peripheral flange 6 which is adapted to be seated between the top edge 7 of a threaded spout 8 of the container and he top wall 9 of the cap 4, and semi-spherical dome 10 which extends into the spout. An air bleed facility is provided by an interaction between the cap 4 and the valve 5. The cap 4 is provided with an internal thread 11 to match the external thread 12 of the container. The internal walls of the cap are provided with a plurality of flutes 13 each of the flutes leading to apertures 14 in the top wall of the flutes. As the contents of the containers are used and it is desired to reduce the evacuated air from the headspace of the container, the cap and diaphragm are replaced and axial pressure is applied to the container forcing the ledge of the diaphragm to lift and air is evacuated via the apertures in the manner illustrated by figure 1. The cap is set to "vent" at one half turn from the fully sealed position thus allowing the valve clearance from the cap and the bottle. As the fluid in the container reaches the valve its buoyancy locks it against the cap creating an air lock and stopping further evacuation of air or moisture. Recoil from the collapsing container creates reverse suction that forces the valve back onto the top edge of the spout of the bottle, thus creating the hydraulic lock required to prevent re-inflation of the bottle. A final permanent seal is created by twisting the cap until it is fully closed. Indicia on the cap and bottle can be provided which indicate both sealed and venting positions. The venting path of air from the headspace is indicated by the directional arrows to the right hand side of figure 1. Evacuated air passes over the top edge 7 of the spout 8 of the container around the flange 6 and is vented via apertures 14 in the top wall 9 of the cap. A supplementary air vent (not shown) may be provided in the side wall of the cap to reduce the chances of a person's eyes being splashed by liquid
Figure imgf000005_0001
venting process. The closure means can be used on any form of collapsible container. Figure 2 of the drawings i.lustrates a container 2 similar to that described by my Australian patent no. 738438. Figure 3 of the drawings illustrates a box-type container 3 similar to the well known Tetra-pak™. With respect to figures 4, 5 and 6 of the present invention according to a further aspect of the present invention, the closure may include a biasing spring 15 positioned between the base 16 of the dome 10 and the underside of the cap 4. The spring 15 may be fabricated from stainless steel or food grade plastics and regulates the flow of air and liquid. Figure 4 of the drawings shows the cap in a "compression" position. As a container 2 is compressed, air passes by the seal of the buoyancy valve and escapes via the bleeder holes in the top of the cap in a similar manner to that described in relation to figure 1. When fluid in the container 2 reaches. the valve 5, it causes it to rise and block the flow of air via the bleeder holes as is the situation illustrated by figure 5. Once this happens, the container can no longer be compressed. When the container is released (figure 6) recoil from the concertina in the container draws the valve on to the container neck creating a hydraulic lock. With the valve in this position, the container cannot reinflate. The cap is then tightened (figure 7) to create a permanent seal. The spring 15 can be secured by upper and lower saddles 17, 18 formed in the dome and cap respectively. The closure means of the present invention provides an economic, secure and simply operated device for venting collapsible containers to reduce headspaces. Aspects of the present invention have been described by way of example only and modifications and additions thereto may be made without departing from the spirit or scope thereof.
SCOTT LINDSAY BROWN

Claims

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1. A closure containing a cap with air bleed facility, a floatation valve adapted to be seated within the cap and may contain a spring which regulates the air flow upon elimination of headspace within the container.
2. A valve as claimed in claim lwith a peripheral flange that may be semi spherical, cone, disk or spherical in shape which acts to seal off flow of contents when all air is evacuated from container.
3. A valve as claimed in claim 2 wherein it may incorporate a soft peripheral flange made of silicone or same that acts to provide a seal upon inner top of cap and upon container pouring spout.
4. A cap as claimed in claim 1 with internal thread to match external external thread of container.
5. A cap as claimed in claim 1 with internal walls that may provide a pluralities of flutes leading to air bleed facility.
6. A cap as claimed in claim 1 with an indicia on the cap and container that can be provided to indicate venting and sealing positions.
7. A cap as claimed in claim 1 that incorporates a seat for positioning of spring.
8. A valve as claimed in claim 2 that incorporates a seat for positioning of spring.
9. An interference detail within the cap and outside of container to ensure sealing of container.
10. A spring as claimed in claim 1 that may be of stainless steel or food grade plastic.
PCT/AU2004/000841 2003-06-30 2004-06-25 Closure for collapsible container Ceased WO2005000702A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006515554A JP2007537931A (en) 2003-06-30 2004-06-25 Lid for foldable container
US10/562,770 US20070007233A1 (en) 2003-06-30 2004-06-25 Closure for collapsible contatiner
NZ544869A NZ544869A (en) 2003-06-30 2004-06-25 Closure for collapsible container
EP04737462A EP1648795A4 (en) 2003-06-30 2004-06-25 Closure for collapsible container
AU2004251789A AU2004251789A1 (en) 2003-06-30 2004-06-25 Closure for collapsible container

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2003903313 2003-06-30
AU2003903313A AU2003903313A0 (en) 2003-06-30 2003-06-30 Closure for collapsible container
AU2003904640 2003-08-28
AU2003904640A AU2003904640A0 (en) 2003-08-28 Closure for Collapsible Container

Publications (1)

Publication Number Publication Date
WO2005000702A1 true WO2005000702A1 (en) 2005-01-06

Family

ID=33553190

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2004/000841 Ceased WO2005000702A1 (en) 2003-06-30 2004-06-25 Closure for collapsible container

Country Status (5)

Country Link
US (1) US20070007233A1 (en)
EP (1) EP1648795A4 (en)
JP (1) JP2007537931A (en)
NZ (1) NZ544869A (en)
WO (1) WO2005000702A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2475566A (en) * 2009-11-24 2011-05-25 Aquatina Ltd Collapsible container with identification device for use with vending machine
WO2011079301A1 (en) * 2009-12-24 2011-06-30 Geraghty, Erin Container cap
EP2440836B1 (en) * 2009-06-10 2016-02-10 Westinghouse Electric Company LLC Domed diaphragm/insert plate for a pressure vessel access closure
EP2714576B1 (en) * 2011-06-01 2016-02-24 Unilever N.V. Method of removing headspace from a filled container and container comprising a valve
US10022498B2 (en) 2011-12-16 2018-07-17 Icu Medical, Inc. System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2400414C1 (en) * 2009-03-24 2010-09-27 Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" Adaptive standing folding container for liquids
GB2474650B (en) * 2009-10-20 2012-03-07 Kraft Foods R & D Inc Improvements in containers
ITMO20120123A1 (en) * 2012-05-10 2013-11-11 Idea S R L APPARATUS FOR SLICING FOOD PRODUCTS
US9045268B2 (en) * 2012-07-25 2015-06-02 Gojo Industries, Inc. Collapsible container and dispenser employing a collapsible container
US9573752B2 (en) * 2014-12-24 2017-02-21 Drink Saporé Inc. Liquid container apparatus
CN111332614A (en) * 2020-03-30 2020-06-26 马兴平 Telescopic overlapped anaerobic container
CN114275284B (en) * 2021-12-20 2024-04-30 天津康森生物科技有限公司 Sanitary safe wet tissue box

Citations (6)

* Cited by examiner, † Cited by third party
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FR921013A (en) * 1946-02-01 1947-04-24 Vacuum lid for preserving fruits and vegetables without boiling
AU1341583A (en) * 1982-04-05 1983-10-13 Roff, R.W. Valve for revoving trapped air from a pump line
GB2135429A (en) * 1983-02-19 1984-08-30 Prestige Group Plc SME controlled valve
WO1997006973A1 (en) * 1995-08-16 1997-02-27 Raviv Precision Injection Molding Over filling valve
EP1209093A1 (en) * 2000-11-16 2002-05-29 Stampaggio Gomma S.n.c. di Piloni Celestino & Bossi Enrico Closure having venting means
FR2825442A1 (en) * 2001-06-05 2002-12-06 Bayard Air bleed valve for water main has closure mounted on float chamber to vent air dependent on float level

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US2712392A (en) * 1952-08-08 1955-07-05 William F Jamieson Snap seal closure
US3589545A (en) * 1969-09-19 1971-06-29 Greif Brothers Corp The Vented closure
US3655083A (en) * 1970-01-08 1972-04-11 Abbott Lab Infant feeding unit assembly
FR2247107A5 (en) * 1973-10-05 1975-05-02 Renault
US4392579A (en) * 1981-10-21 1983-07-12 Owens-Illinois, Inc. Closure with domed portion
US4705188A (en) * 1986-08-01 1987-11-10 Miller Brewing Company Keg cap
US5242069A (en) * 1987-02-12 1993-09-07 Michael Hertrampf Closure cap for a bottle of like containers
US4898291A (en) * 1989-03-29 1990-02-06 Sailors John C Nursing bottle with removable pacifier
US5062538A (en) * 1989-09-01 1991-11-05 Anchor Hocking Packaging Company Package with pressure venting closure accepting different types of insert disks for different food products
US4993572A (en) * 1989-09-01 1991-02-19 Anchor Hocking Corporation Pressure venting closure
JPH09309559A (en) * 1996-05-21 1997-12-02 Akio Nakagaki Cap for elastically flexible container
US20020056695A1 (en) * 1996-11-19 2002-05-16 Michel Boulange Vented closures
US6149022A (en) * 1998-02-20 2000-11-21 Last Drop, Inc. Bottle and cap
WO2000043276A1 (en) * 1999-01-20 2000-07-27 Scott Brown Collapsible fluid containers
US6202871B1 (en) * 1999-08-27 2001-03-20 Crown Cork & Seal Technologies Corporation Vented beverage closure
WO2003018409A1 (en) * 2001-08-31 2003-03-06 Scott Brown Closure and valve for a collapsible container

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921013A (en) * 1946-02-01 1947-04-24 Vacuum lid for preserving fruits and vegetables without boiling
AU1341583A (en) * 1982-04-05 1983-10-13 Roff, R.W. Valve for revoving trapped air from a pump line
GB2135429A (en) * 1983-02-19 1984-08-30 Prestige Group Plc SME controlled valve
WO1997006973A1 (en) * 1995-08-16 1997-02-27 Raviv Precision Injection Molding Over filling valve
EP1209093A1 (en) * 2000-11-16 2002-05-29 Stampaggio Gomma S.n.c. di Piloni Celestino & Bossi Enrico Closure having venting means
FR2825442A1 (en) * 2001-06-05 2002-12-06 Bayard Air bleed valve for water main has closure mounted on float chamber to vent air dependent on float level

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1648795A4 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2440836B1 (en) * 2009-06-10 2016-02-10 Westinghouse Electric Company LLC Domed diaphragm/insert plate for a pressure vessel access closure
GB2475566A (en) * 2009-11-24 2011-05-25 Aquatina Ltd Collapsible container with identification device for use with vending machine
GB2475566B (en) * 2009-11-24 2013-09-04 Aquatina Ltd Container and vending machine
US9238520B2 (en) 2009-11-24 2016-01-19 Aquatina Limited Container and vending machine
WO2011079301A1 (en) * 2009-12-24 2011-06-30 Geraghty, Erin Container cap
EP2714576B1 (en) * 2011-06-01 2016-02-24 Unilever N.V. Method of removing headspace from a filled container and container comprising a valve
US9561947B2 (en) 2011-06-01 2017-02-07 Conopco, Inc. Method of removing headspace from a filled container and container comprising a valve
US10022498B2 (en) 2011-12-16 2018-07-17 Icu Medical, Inc. System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy

Also Published As

Publication number Publication date
EP1648795A4 (en) 2009-11-25
JP2007537931A (en) 2007-12-27
NZ544869A (en) 2009-05-31
EP1648795A1 (en) 2006-04-26
US20070007233A1 (en) 2007-01-11

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