CA2625574A1 - Pouch and airtight resealable closure mechanism therefor - Google Patents
Pouch and airtight resealable closure mechanism therefor Download PDFInfo
- Publication number
- CA2625574A1 CA2625574A1 CA002625574A CA2625574A CA2625574A1 CA 2625574 A1 CA2625574 A1 CA 2625574A1 CA 002625574 A CA002625574 A CA 002625574A CA 2625574 A CA2625574 A CA 2625574A CA 2625574 A1 CA2625574 A1 CA 2625574A1
- Authority
- CA
- Canada
- Prior art keywords
- sealing
- interlocking
- rib
- resealable
- profile
- 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.)
- Granted
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
- 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
- B65D81/2007—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 under vacuum
- B65D81/2023—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 under vacuum in a flexible container
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
-
- 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
- B65D81/2007—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 under vacuum
- B65D81/2038—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 under vacuum with means for establishing or improving vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S24/00—Buckles, buttons, clasps
- Y10S24/30—Separable-fastener or required component thereof
- Y10S24/38—Each mating member having similarly shaped, sized, and operated interlocking face
- Y10S24/39—Each mating member having similarly shaped, sized, and operated interlocking face including elongated face having identical, parallel cross sections throughout its length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
- Y10T24/45157—Zipper-type [e.g., slider]
- Y10T24/45168—Zipper-type [e.g., slider] for container [e.g., bag]
Abstract
A pouch has an elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed.
The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and a pair of sealing members that form an air tight seal separate from the interlocking members disposed between the first and second pairs of interlocking members. The closure members are connected with opposing panels of the pouch in a manner designed to provide differential opening and closing forces. The pouch may include a check valve and air evacuation channels to aid in evacuating air from the interior.
The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and a pair of sealing members that form an air tight seal separate from the interlocking members disposed between the first and second pairs of interlocking members. The closure members are connected with opposing panels of the pouch in a manner designed to provide differential opening and closing forces. The pouch may include a check valve and air evacuation channels to aid in evacuating air from the interior.
Claims (24)
1. An airtight resealable closure mechanism having an elongate profile extending between a first end and a second end, the profile comprising:
a first closure element having a first interlocking member, a second interlocking member, and a first sealing member, each protruding from a first base member, wherein the first sealing member is disposed between the first and second interlocking members; and a second closure element having a third interlocking member, a fourth interlocking member, and a second sealing member, each protruding from a second base member, wherein the second sealing member forms a tapered channel and is disposed between the third and fourth interlocking members;
wherein the first and second interlocking members are resealably interlocked with the third and fourth interlocking members, respectively;
wherein the first sealing member is wedged into the tapered channel of the second sealing member, whereby an airtight seal is formed; and wherein the first and second sealing members are spaced from each of the first, second, third, and fourth, interlocking members.
a first closure element having a first interlocking member, a second interlocking member, and a first sealing member, each protruding from a first base member, wherein the first sealing member is disposed between the first and second interlocking members; and a second closure element having a third interlocking member, a fourth interlocking member, and a second sealing member, each protruding from a second base member, wherein the second sealing member forms a tapered channel and is disposed between the third and fourth interlocking members;
wherein the first and second interlocking members are resealably interlocked with the third and fourth interlocking members, respectively;
wherein the first sealing member is wedged into the tapered channel of the second sealing member, whereby an airtight seal is formed; and wherein the first and second sealing members are spaced from each of the first, second, third, and fourth, interlocking members.
2. The resealable elongate closure mechanism of claim 1, wherein each of the first and fourth interlocking members comprises a pair of arms forming a channel-shaped female interlocking member, and wherein each of the second and third interlocking members comprises an arrow-shaped interlocking member.
3. The resealable elongate closure mechanism of claim 1, wherein the first sealing member comprises a first rib disposed between a second rib and a third rib, wherein the first rib includes a bulbous head, and wherein the bulbous head wedges within the tapered channel.
4. The resealable elongate closure mechanism of claim 3, wherein the second sealing member comprises a first wall spaced from a second wall to form the tapered channel therebetween, wherein the first wall is disposed between the first rib and the second rib, and the second wall is disposed between the first rib and the third rib.
5. The resealable elongate closure mechanism of claim 4, wherein each of the second rib and the third rib includes a bulbous head, wherein the first wall wedges between the bulbous heads of the first and second ribs and the second wall wedges between the bulbous heads of the first and third ribs.
6. The resealable elongate closure mechanism of claim 5, wherein each of the first, second, and third ribs is T-shaped.
7. The resealable elongate closure mechanism of claim 1, wherein the first and second closure elements comprise thermoplastic.
8. A resealable airtight closure mechanism comprising:
a first elongate profile resealably interlocked with a second elongate profile, wherein each elongate profile extends longitudinally between two ends;
the first profile comprising a first sealing wall spaced between an arrow-shaped first male interlocking member and a channel-shaped first female interlocking member, each projecting from one side of a first base member; and the second profile comprising a first sealing rib and a second sealing rib spaced between a channel-shaped second female interlocking member and an arrow-shaped second male interlocking member, each projecting from one side of a second base member, wherein each sealing rib comprises a bulbous head spaced from the second base member;
wherein the first male interlocking member is interlocked with the second female interlocking member and the first female interlocking member is interlocked with the second male interlocking member, and wherein the sealing wall is wedged between the first sealing rib and the second sealing rib, wherein an airtight seal is formed between the sealing wall and each bulbous head.
a first elongate profile resealably interlocked with a second elongate profile, wherein each elongate profile extends longitudinally between two ends;
the first profile comprising a first sealing wall spaced between an arrow-shaped first male interlocking member and a channel-shaped first female interlocking member, each projecting from one side of a first base member; and the second profile comprising a first sealing rib and a second sealing rib spaced between a channel-shaped second female interlocking member and an arrow-shaped second male interlocking member, each projecting from one side of a second base member, wherein each sealing rib comprises a bulbous head spaced from the second base member;
wherein the first male interlocking member is interlocked with the second female interlocking member and the first female interlocking member is interlocked with the second male interlocking member, and wherein the sealing wall is wedged between the first sealing rib and the second sealing rib, wherein an airtight seal is formed between the sealing wall and each bulbous head.
9. The resealable airtight closure mechanism of claim 8, wherein each bulbous head comprises a lateral member projecting outwardly from the sealing rib toward the sealing wall.
10. The resealable airtight closure mechanism of claim 8, wherein the sealing ribs are spaced between the first male interlocking member and the first female interlocking member.
11. The resealable airtight closure mechanism of claim 8, the first profile further comprising a second sealing wall extending from the side of the first base member between the first male interlocking member and the first female interlocking member, wherein the first and second sealing walls define a tapered channel therebetween, and wherein the bulbous head of the first sealing rib is wedged between the first and second sealing walls.
12. The resealable airtight closure mechanism of claim 11, the second profile further comprising a third sealing rib spaced between the second male interlocking profile and the second female interlocking profile, the third sealing rib comprising a bulbous head spaced from the second base member, wherein the first sealing wall is wedged between the first sealing rib and the second sealing rib, and the second sealing wall is wedged between the first sealing rib and the third sealing rib, whereby a first airtight seal is formed between the first sealing wall and the bulbous heads of the first and second sealing ribs and a second airtight seal is formed between the second sealing wall and the bulbous heads of the first and third sealing ribs.
13. The resealable airtight closure mechanism of claim 12, wherein the first sealing rib comprises a wall extending from the second base member and the bulbous head comprises a cross-beam disposed generally perpendicular to the wall proximate a distal end of the wall opposite the second base member.
14. The resealable airtight closure mechanism of claim 13, wherein each of the sealing ribs comprises a T-shaped member.
15. A resealable pouch comprising:
a front panel connected with a back panel along a peripheral edge to define a sealable interior space therebetween;
an opening defined between the front and back panels along a top edge;
a first elongate closure profile extending along the front panel proximate the opening, and a second elongate closure profile extending along the back panel proximate the opening, the first closure profile being releasably interlockable with the second closure profile to seal and unseal the opening, wherein the first closure profile comprises a sealing member spaced between a first interlocking member and a second interlocking member, and the second closure profile comprises a second sealing member spaced between a third interlocking member and a fourth interlocking member, wherein the first sealing member is sealingly engaged with the second sealing member, and the first and second interlocking members are interlocked with the third and fourth interlocking members, respectively;
wherein the first closure profile is continuously connected to the front panel between the first interlocking member and the second interlocking member; and wherein the second closure profile is continuously connected to the back panel between the third interlocking member and the second sealing member and not connected to the back panel proximate the fourth interlocking member.
a front panel connected with a back panel along a peripheral edge to define a sealable interior space therebetween;
an opening defined between the front and back panels along a top edge;
a first elongate closure profile extending along the front panel proximate the opening, and a second elongate closure profile extending along the back panel proximate the opening, the first closure profile being releasably interlockable with the second closure profile to seal and unseal the opening, wherein the first closure profile comprises a sealing member spaced between a first interlocking member and a second interlocking member, and the second closure profile comprises a second sealing member spaced between a third interlocking member and a fourth interlocking member, wherein the first sealing member is sealingly engaged with the second sealing member, and the first and second interlocking members are interlocked with the third and fourth interlocking members, respectively;
wherein the first closure profile is continuously connected to the front panel between the first interlocking member and the second interlocking member; and wherein the second closure profile is continuously connected to the back panel between the third interlocking member and the second sealing member and not connected to the back panel proximate the fourth interlocking member.
16. The resealable pouch of claim 15, wherein the fourth interlocking member is disposed on an interior side of the second sealing member.
17. The resealable pouch of claim 15, wherein the first closure profile is connected to the front panel by a substantially continuous first connecting layer disposed therebetween, and the second closure profile is connected to the back panel by a substantially continuous second connecting layer disposed therebetween.
18. The resealable pouch of claim 17, wherein at least one of the first and second connecting layers comprises a thermoplastic weld material.
19. The resealable pouch of claim 15 further comprising a grip ridge disposed on a portion of at least one of the front and back panels disposed on an exterior side of the closure profiles.
20. The resealable pouch of claim 15, wherein the first sealing member comprises a first sealing wall spaced from a second sealing wall and defining a tapered channel therebetween, wherein the second sealing member comprises a first sealing rib disposed between a second sealing rib and a third sealing rib, and wherein the first sealing rib is wedged between the first sealing wall and the second sealing wall within the channel, the first sealing wall is wedged between the first sealing rib and the second sealing rib, and the second sealing wall is wedged between the first sealing rib and the third sealing rib.
21. The resealable pouch of claim 20, wherein each of the first, second, and third sealing ribs has a bulbous head, and wherein each of the first and second sealing walls has tapered sides.
22. The resealable pouch of claim 20, wherein one of the first and second interlocking members is an elongate arrow-shaped interlocking profile and the other of the first and second interlocking members is an elongate channel-shaped interlocking profile, and wherein the third and fourth interlocking members are complementary respective elongate arrow-shaped male and elongate channel-shaped female interlocking profiles.
23. The resealable pouch of claim 15 further comprising a vacuum check valve disposed in at least one of the front and back panels through which air may be evacuated from the interior space.
24. The resealable pouch of claim 15 further comprising air flow channels defined along at least one of the front and back panels for allowing passage of air during evacuation of the pouch.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/725,120 | 2007-03-16 | ||
US11/725,120 US7886412B2 (en) | 2007-03-16 | 2007-03-16 | Pouch and airtight resealable closure mechanism therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2625574A1 true CA2625574A1 (en) | 2008-09-16 |
CA2625574C CA2625574C (en) | 2010-07-13 |
Family
ID=39762774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2625574A Active CA2625574C (en) | 2007-03-16 | 2008-03-12 | Pouch and airtight resealable closure mechanism therefor |
Country Status (2)
Country | Link |
---|---|
US (2) | US7886412B2 (en) |
CA (1) | CA2625574C (en) |
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-
2007
- 2007-03-16 US US11/725,120 patent/US7886412B2/en active Active
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2008
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2010
- 2010-12-16 US US12/970,265 patent/US8827556B2/en active Active
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US20080226202A1 (en) | 2008-09-18 |
US7886412B2 (en) | 2011-02-15 |
US8827556B2 (en) | 2014-09-09 |
US20110085747A1 (en) | 2011-04-14 |
CA2625574C (en) | 2010-07-13 |
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