WO2008041034A1 - Storage container - Google Patents

Storage container Download PDF

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Publication number
WO2008041034A1
WO2008041034A1 PCT/GB2007/050610 GB2007050610W WO2008041034A1 WO 2008041034 A1 WO2008041034 A1 WO 2008041034A1 GB 2007050610 W GB2007050610 W GB 2007050610W WO 2008041034 A1 WO2008041034 A1 WO 2008041034A1
Authority
WO
WIPO (PCT)
Prior art keywords
compartment
storage container
container
membrane
receptacle
Prior art date
Application number
PCT/GB2007/050610
Other languages
French (fr)
Inventor
Colin Wallace Hardy
Original Assignee
Colin Wallace Hardy
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 Colin Wallace Hardy filed Critical Colin Wallace Hardy
Publication of WO2008041034A1 publication Critical patent/WO2008041034A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
    • A47J47/02—Closed containers for foodstuffs
    • A47J47/08—Closed containers for foodstuffs for non-granulated foodstuffs
    • A47J47/10—Closed containers for foodstuffs for non-granulated foodstuffs with arrangements for keeping fresh
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • 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
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/245—Internal membrane, floating cover or the like isolating the contents from the ambient atmosphere

Definitions

  • This invention relates to a storage container and more particularly but not solely to a storage container for food products.
  • a typical such food storage container comprises a plastics receptacle having walls which define a storage compartment and a closure for sealingly attaching to the receptacle in an airtight manner.
  • a storage container comprising a first compartment, a second compartment separated from said first compartment by a flexible wall, pump means for pressurising said first compartment and a one-way valve arranged to allow the egress of air from said second compartment.
  • the pump means is actuated to increase the air pressure inside the first compartment, thereby causing the wall to deform into the second compartment against the food or other product therein.
  • the one way valve allows air to escape from the second compartment as the volume thereof is decreased by the deformation of the membrane.
  • the deformed wall serves to hold the food or other product in place inside the second compartment, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food or other product is minimised and as such the deterioration thereof is hindered.
  • the container comprises a receptacle having a base and one or more upstanding side walls, the flexible wall comprising a membrane extending over the base between the or each side wall, said second compartment being disposed between said membrane and said bottom wall, the container further comprising a top wall, said first compartment being disposed between said membrane and said top wall.
  • a wall of the container is displaceable to allow access to said second compartment, so that products can be inserted or removed from the second compartment.
  • the top wall of the container is displaceable, the membrane also being displaceable to allow access to said second compartment.
  • the top wall comprises a hingeable or a removable closure for fitting to the side wall(s).
  • said pump means is provided on said closure and comprises a manual actuator.
  • the membrane extends across an aperture formed in a frame member, the frame member being arranged as a close but sliding fit inside the side wall(s) of the receptacle.
  • the frame member comprises a seal for sealing against the side wall(s).
  • Preferably means are provided to facilitate removal of the membrane from the receptacle.
  • the flexible wall comprises a bag which defines said first compartment, said second compartment surrounding the bag, the pump means being arranged to pressurise the bag to deform the latter into the second compartment.
  • the container comprises a receptacle having a base and one or more upstanding side walls and a closure for fitting to the sidewalls, said bag being disposed within the receptacle.
  • the bag comprises a neck which is sealed around said pump means.
  • said pump means is provided on said closure and the neck of the bag is sealed to the underside of the closure.
  • the bag is detachable from the container for repalcament or cleaning.
  • valve is provided in said bottom wall.
  • one or more catches are provided for locking the closure onto said side wall(s), so as to prevent the closure from becoming dislodged under the increased pressure within the first compartment.
  • Figure 1 is a perspective view of an embodiment of food storage container in accordance with this invention, when disassembled;
  • Figure 2 is a perspective view of the food storage container of Figure 1 when in use;
  • FIG. 3 is a sectional view through an alternative embodiment of food storage container in accordance with this invention.
  • Figure 2 is a perspective view of the food storage container of Figure 3 when in use;
  • a food storage container comprising a one-piece receptacle 10 of moulded plastics material having a rectangular bottom wall 11 , upstanding opposite end walls 12, 13, and upstanding opposite side walls 14, 15.
  • a closure 16 is provided for sealingly engaging the rim of the receptacle 10 in an airtight manner.
  • Catches 17 are hingeably mounted to the end walls 12, 13 for engaging complementary formations 18 on the closure 16, when the latter is fitted to the receptacle 10.
  • the container further comprises a partition member 19 having an open rectangular frame 20 and a flexible membrane 21 of plastics material extending across the opening in the frame 20.
  • the frame 20 is dimensioned to fit sealingly within the receptacle 10 between the opposite side and end walls thereof. In this regard, a seal
  • the side and end walls of the receptacle 10 may extend around the frame 20, the side and end walls of the receptacle 10 preferably lying as close as moulding will allow to an angle of 90° to the bottom wall 11.
  • a pump 22 is provided in the centre of the closure 16, the pump having an actuator which can be actuated by a person's finger or thumb to cause air to be pumped into the container.
  • a one-way valve 23 is disposed in the centre of the bottom wall 1 1 , the one-way valve being arranged to allow air to pass out of the container only.
  • the deformed membrane 21 serves to hold the food in place inside the container, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food is minimised and as such the deterioration thereof is hindered.
  • FIG. 3 of the drawings there is shown an alternative embodiment of food storage container which is similar to the container of Figures 1 and 2 and like parts are given like reference numerals.
  • the removable partition member 19 is replaced by a flexible-walled bag 29 having an open neck which is sealingly attached to the underside of the closure 16 around the pump 22 in a manner which allows the bag to be detached for cleaning or replacement.
  • the container thus comprises a first compartment 30 within the bag 29 and a second compartment 31 disposed externally of the bag 29 and internally of the external walls of the container.
  • the first and second compartments 30, 31 are thus separated from each other by the flexible wall of the bag 29.
  • the bag 29 serves to hold the food in place inside the container, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food is minimised and as such the deterioration thereof is hindered.
  • a food storage container in accordance with the present invention is simple and inexpensive in construction, yet allows food to be stored for longer periods in a manner where it will not become damaged during transit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)

Abstract

A storage container for food products comprises a receptacle (10) having a bottom wall (11) and upstanding side walls (12, 13, 14, 15). A removable partition member (19), having an open rectangular frame 20 and a flexible membrane (21), sealingly divides the interior of the receptacle (10) into an upper compartment (24) and a lower compartment (25). A lockable closure (16) is provided for sealingly engaging the rim of the receptacle (10), the closure (16) being provided with a pump (22) for pressurising the upper compartment (24). In use, products to be stored are placed in the lower compartment (25) whereupon the pump (23) is actuated to increase the air pressure inside the upper compartment (24), thereby causing the membrane (21) to deform into the lower compartment (25) against the product placed therein. A one-way valve (23) in the bottom wall (11) allows air to escape from the lower compartment (25) as the volume thereof is decreased by the deformation of the membrane (21). The deformed membrane (21) serves to hold the product in place and the volume of air surrounding the product is minimised so that the deterioration thereof is hindered.

Description

Storage Container
This invention relates to a storage container and more particularly but not solely to a storage container for food products.
Storage containers for food products are well known. A typical such food storage container comprises a plastics receptacle having walls which define a storage compartment and a closure for sealingly attaching to the receptacle in an airtight manner.
Whilst such storage containers satisfactorily seal the food inside the container and prevent the ingress of air, the air trapped inside the container still causes food to deteriorate. Furthermore, because the food is generally stored loosely inside the container, the food can become damaged if the container is moved.
I have now devised a storage container which alleviates the above-mentioned problems.
In accordance with this invention, there is provided a storage container comprising a first compartment, a second compartment separated from said first compartment by a flexible wall, pump means for pressurising said first compartment and a one-way valve arranged to allow the egress of air from said second compartment.
In use, food or other products to be stored are placed in said second compartment whereupon the pump means is actuated to increase the air pressure inside the first compartment, thereby causing the wall to deform into the second compartment against the food or other product therein. The one way valve allows air to escape from the second compartment as the volume thereof is decreased by the deformation of the membrane.
The deformed wall serves to hold the food or other product in place inside the second compartment, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food or other product is minimised and as such the deterioration thereof is hindered.
Preferably the container comprises a receptacle having a base and one or more upstanding side walls, the flexible wall comprising a membrane extending over the base between the or each side wall, said second compartment being disposed between said membrane and said bottom wall, the container further comprising a top wall, said first compartment being disposed between said membrane and said top wall.
Preferably a wall of the container is displaceable to allow access to said second compartment, so that products can be inserted or removed from the second compartment.
Preferably the top wall of the container is displaceable, the membrane also being displaceable to allow access to said second compartment.
Preferably the top wall comprises a hingeable or a removable closure for fitting to the side wall(s).
Preferably said pump means is provided on said closure and comprises a manual actuator.
Preferably the membrane extends across an aperture formed in a frame member, the frame member being arranged as a close but sliding fit inside the side wall(s) of the receptacle.
Preferably the frame member comprises a seal for sealing against the side wall(s).
Preferably means are provided to facilitate removal of the membrane from the receptacle.
In an alternative embodiment, the flexible wall comprises a bag which defines said first compartment, said second compartment surrounding the bag, the pump means being arranged to pressurise the bag to deform the latter into the second compartment.
Preferably the container comprises a receptacle having a base and one or more upstanding side walls and a closure for fitting to the sidewalls, said bag being disposed within the receptacle. Preferably the bag comprises a neck which is sealed around said pump means.
Preferably said pump means is provided on said closure and the neck of the bag is sealed to the underside of the closure.
Preferably the bag is detachable from the container for repalcament or cleaning.
Preferably said valve is provided in said bottom wall.
Preferably one or more catches are provided for locking the closure onto said side wall(s), so as to prevent the closure from becoming dislodged under the increased pressure within the first compartment.
An embodiment of the present invention will now be described by way of an example only and with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of an embodiment of food storage container in accordance with this invention, when disassembled;
Figure 2 is a perspective view of the food storage container of Figure 1 when in use;
Figure 3 is a sectional view through an alternative embodiment of food storage container in accordance with this invention; and
Figure 2 is a perspective view of the food storage container of Figure 3 when in use;
Referring to Figure 1 of the drawings, there is shown a food storage container comprising a one-piece receptacle 10 of moulded plastics material having a rectangular bottom wall 11 , upstanding opposite end walls 12, 13, and upstanding opposite side walls 14, 15.
A closure 16 is provided for sealingly engaging the rim of the receptacle 10 in an airtight manner. Catches 17 are hingeably mounted to the end walls 12, 13 for engaging complementary formations 18 on the closure 16, when the latter is fitted to the receptacle 10.
The container further comprises a partition member 19 having an open rectangular frame 20 and a flexible membrane 21 of plastics material extending across the opening in the frame 20. The frame 20 is dimensioned to fit sealingly within the receptacle 10 between the opposite side and end walls thereof. In this regard, a seal
(not shown) may extend around the frame 20, the side and end walls of the receptacle 10 preferably lying as close as moulding will allow to an angle of 90° to the bottom wall 11.
A pump 22 is provided in the centre of the closure 16, the pump having an actuator which can be actuated by a person's finger or thumb to cause air to be pumped into the container. A one-way valve 23 is disposed in the centre of the bottom wall 1 1 , the one-way valve being arranged to allow air to pass out of the container only.
Referring to Figure 2 of the drawings, in use, food products can be placed inside the receptacle 10 on the bottom wall 1 1 thereof. The barrier member 19 is then inserted into the receptacle 10 until the membrane 21 abuts the food. The closure 16 is then fitted to the receptacle 10 and the catches 17 are engaged with the formations 18. It will be appreciated that the barrier 19 divides the container into an upper compartment 24 and a lower compartment 25. Next, the pump 22 is actuated to pressurise the upper compartment 24, thereby causing the membrane 21 to deform into the lower compartment 25 against the food products therein. The one way valve 23 allows air to escape from the lower compartment 25 as the volume thereof is reduced by the deformation of the membrane 21.
The deformed membrane 21 serves to hold the food in place inside the container, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food is minimised and as such the deterioration thereof is hindered.
Referring to Figures 3 of the drawings, there is shown an alternative embodiment of food storage container which is similar to the container of Figures 1 and 2 and like parts are given like reference numerals. In this embodiment, the removable partition member 19 is replaced by a flexible-walled bag 29 having an open neck which is sealingly attached to the underside of the closure 16 around the pump 22 in a manner which allows the bag to be detached for cleaning or replacement. It will be appreciated that the container thus comprises a first compartment 30 within the bag 29 and a second compartment 31 disposed externally of the bag 29 and internally of the external walls of the container. The first and second compartments 30, 31 are thus separated from each other by the flexible wall of the bag 29.
Referring to Figure 4 of the drawings, in use, food products can be placed inside the receptacle 10 on the bottom wall 11 thereof. The closure 16 is then fitted to the receptacle 10 and the catches 17 are engaged with the formations 18. Next, the pump 22 is actuated to pressurise the first compartment 30, thereby causing the wall of the bag 29 to expand and deform into the second compartment 30 against the food products. The one way valve 23 allows air to escape from the second compartment 31 as the volume thereof is reduced by the expansion and deformation of the bag 29.
The bag 29 serves to hold the food in place inside the container, so that it cannot move and become damaged. Furthermore, the volume of air surrounding the food is minimised and as such the deterioration thereof is hindered.
A food storage container in accordance with the present invention is simple and inexpensive in construction, yet allows food to be stored for longer periods in a manner where it will not become damaged during transit.

Claims

1. A storage container comprising a first compartment, a second compartment separated from said first compartment by a flexible wall, pump means for pressurising said first compartment and a one-way valve arranged to allow the egress of air from said second compartment.
2. A storage container as claimed in claim 1 , comprising a receptacle having a bottom wall and one or more upstanding side walls, the flexible wall comprising a membrane extending over the bottom wall between the or each side wall, said second compartment being disposed between said membrane and said bottom wall, the container further comprising a top wall, said first compartment being disposed between said membrane and said top wall.
3. A storage container as claimed in claim 2, in which a wall of the container is displaceable to allow access to said second compartment.
4. A storage container as claimed in claim 3, in which the top wall of the container is displaceable, the membrane also being displaceable to allow access to said second compartment.
5. A storage container as claimed in claim 4, in which the top wall comprises a hingeable or removable closure for fitting to the side wall(s).
6. A storage container as claimed in claims 4, in which said pump means is provided on said closure and comprises a manual actuator.
7. A storage container as claimed in any of claims 2 to 6, in which the membrane extends across an aperture formed in a frame member, the frame member being arranged as a close but sliding fit inside the side wall(s) of the receptacle.
8. A storage container as claimed in claim 7, in which the frame member comprises a seal for sealing against the side wall(s).
9. A storage container as claimed in claim 1 , in which the flexible wall comprises a bag which defines said first compartment, said second compartment surrounding the bag, the pump means being arranged to pressurise the bag to deform the latter into the second compartment.
10. A storage container as claimed in claim 9, in which the container comprises a receptacle having a base and one or more upstanding side walls and a closure for fitting to the sidewalls, said bag being disposed within the receptacle.
1 1. A storage container as claimed in claim 10, in which the bag comprises a neck which is sealed around said pump means.
12. A storage container as claimed in claim 11 , in which said pump means is provided on said closure and the neck of the bag is sealed to the underside of the closure.
13. A storage container as claimed in any of claims 9 to 12, in which the bag is detachable from the container.
14. A storage container as claimed in claims 5 or 10, in which one or more catches are provided for locking the closure onto said side wall(s).
PCT/GB2007/050610 2006-10-04 2007-10-03 Storage container WO2008041034A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0619563A GB2442530A (en) 2006-10-04 2006-10-04 Food storage container with pressurised compartment
GB0619563.0 2006-10-04

Publications (1)

Publication Number Publication Date
WO2008041034A1 true WO2008041034A1 (en) 2008-04-10

Family

ID=37453928

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2007/050610 WO2008041034A1 (en) 2006-10-04 2007-10-03 Storage container

Country Status (2)

Country Link
GB (1) GB2442530A (en)
WO (1) WO2008041034A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015378A1 (en) * 2009-03-27 2010-10-07 Horst Seitz Vacuum container system for storing minced meat, has sealing ring and upper part hermetically pressed against lower part within vacuum container, where air passed through valve is sucked from interior of meat container by vacuum generator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE831797C (en) * 1950-05-06 1952-02-18 Wilhelm Otto Fennel Fa Method and device for the preservation of canned food
US3581881A (en) * 1969-03-17 1971-06-01 James C Hobbs Inflated container for balls
DE19510926A1 (en) * 1995-03-24 1996-09-26 Bem Innovative Forschung Ag Fo Vacuum supply container for perishable goods

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034896A (en) * 1975-12-18 1977-07-12 Wilson Walon K Diaphragm controlled garden and orchard sprayer
US20030019539A1 (en) * 2001-07-12 2003-01-30 Hornwood Rick L. Container with expandable bladder seal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE831797C (en) * 1950-05-06 1952-02-18 Wilhelm Otto Fennel Fa Method and device for the preservation of canned food
US3581881A (en) * 1969-03-17 1971-06-01 James C Hobbs Inflated container for balls
DE19510926A1 (en) * 1995-03-24 1996-09-26 Bem Innovative Forschung Ag Fo Vacuum supply container for perishable goods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015378A1 (en) * 2009-03-27 2010-10-07 Horst Seitz Vacuum container system for storing minced meat, has sealing ring and upper part hermetically pressed against lower part within vacuum container, where air passed through valve is sucked from interior of meat container by vacuum generator

Also Published As

Publication number Publication date
GB0619563D0 (en) 2006-11-15
GB2442530A (en) 2008-04-09

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