US4516268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pentabar closure device
Assignee: Glad Products Co
•
Filing: 1983-07-29
•
Granted: 1985-05-07
•
Expires: 2003-07-29
Abstract
Abstract A container comprises a flexible closure device and a pouch portion, and the closure device comprises a first flexible closure strip including a pair of first hooks, and a second flexible closure strip including a pair of second hooks and a ridge positioned to facilitate and maintain the occlusion of the closure strips.
Inventors
- 👤 Ewald A. Kamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:09
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; B65D33/2541
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
272 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a positive angle of engagement when said closure device is occluded.
Claim 2
Dependent Claim
272 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a positive angle of engagement when said closure device is occluded.
Claim 3
Dependent Claim
16 words
A container as in claim 1 wherein each of said closure strips includes a flange portion.
Claim 4
Dependent Claim
53 words
A container as in claim 1 wherein said second closure strip includes a flange portion extending away from said pouch portion and which is connected to said second closure strip in a region generally opposite the first hook of said second closure strip which is distal from the interior of said pouch portion.
Claim 5
Dependent Claim
20 words
A container as in claim 1 wherein said side walls are connected to said closure strips due to integral extrusion.
Claim 6
Dependent Claim
19 words
A container as in claim 1 wherein said side walls are connected to said closure strips by an adhesive.
Claim 7
Dependent Claim
272 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a zero angle of engagement when said closure device is occluded.
Claim 8
Dependent Claim
272 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a zero angle of engagement when said closure device is occluded.
Claim 9
Dependent Claim
300 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said second closure strip including a flange portion which extends from a region generally opposite the first hook which is distal from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips of occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a positive angle of engagement when said closure device is occluded.
Claim 10
Dependent Claim
300 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said second closure strip including a flange portion which extends from a region generally opposite the first hook which is distal from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips of occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a positive angle of engagement when said closure device is occluded.
Claim 11
Dependent Claim
300 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said second closure strip including a flange portion which extends from a region generally opposite the first hook which is distal from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a zero angle of engagement when said closure device is occluded.
Claim 12
Dependent Claim
300 words
A container comprising a flexible closure device and a pouch portion including two side walls and two side edges; said closure device comprising first and second flexible closure strips arranged in confronting relationship to each other and permanently connected to each other at the two side edges; said first closure strip having two opposite sides, one side of said first closure strip is generally flat and connected to one side wall of said pouch portion and the other side of said first closure strip consists of a pair of first hooks; each of said first hooks extending in the direction of the interior of said pouch portion; said second closure strip having two opposite sides, one side of said second closure strip is generally flat and connected to the other side wall of said pouch portion and the other side of said second closure strip consists of a ridge and a pair of second hooks; each of said second hooks extending in a direction away from the interior of said pouch portion; said second closure strip including a flange portion which extends from a region generally opposite the first hook which is distal from the interior of said pouch portion; said pairs of first and second hooks being operable for resiliently engaging and disengaging with each other and said ridge being positioned on the side of said pair of second hooks away from the interior of said pouch portion and being operable to guide said first and second closure strips for occlusion and to maintain the occlusion; wherein the hooks near the interior of said pouch portion have a negative angle of engagement when said closure device is occluded, and wherein the hooks distal to said pouch portion have a zero angle of engagement when said closure device is occluded.
References Cited (Backward Citations)
US2144755A
Cited
US3038225A
Cited
US3220076A
Cited
US3338285A
Cited
US3425469A
Cited
US3654049A
Cited
US3808649A
Cited
US4046408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-06 | 1988-11-05 | 1989-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-06 | 1992-11-05 | 1993-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-06 | 1996-11-05 | 1997-05-07 | $7700.00 | Window Closed / Lapsed |