US4621731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam sealing strip package
Assignee: Irbit Holding AG
•
Filing: 1984-10-10
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Granted: 1986-11-11
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Expires: 2004-10-10
Abstract
Abstract A package of foam sealing strip of delayed rebound and of foam held in compressed state by the wall of the package. The wall of the package is formed of two flexurally rigid panels which protrude on both sides of the sealing strip and are held together by a plurality of hoops arranged spaced apart from each other.
Inventors
- 👤 Rolf Tschudin-Mahrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:58
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/02; B65D71/04; B65D85/00; B65D85/07
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
98 words
A package of foam sealing strip, comprising foam sealing strip of delayed rebound, two unbendable panels sandwiching the sealing strip therebetween, said panels protrude on both side of the sealing strip, a plurality of removable hoops arranged spaced apart from each other hold the panels which in turn hold the sealing strip therebetween in compressed state, and non-adherable layers respectively are disposed between broad sides respectively of the sealing strip and corresponding inner surfaces of the panels, whereby upon release of said removable hoops the foam sealing strip does not exhibit noticeable rebound for at least 12 hours.
Claim 2
Dependent Claim
98 words
A package of foam sealing strip, comprising foam sealing strip of delayed rebound, two unbendable panels sandwiching the sealing strip therebetween, said panels protrude on both side of the sealing strip, a plurality of removable hoops arranged spaced apart from each other hold the panels which in turn hold the sealing strip therebetween in compressed state, and non-adherable layers respectively are disposed between broad sides respectively of the sealing strip and corresponding inner surfaces of the panels, whereby upon release of said removable hoops the foam sealing strip does not exhibit noticeable rebound for at least 12 hours.
Claim 3
Dependent Claim
41 words
The package according to claim 1, wherein said sealing strip, in a condition with the hoops and panels removed and without forces on the strip, has a final rebound height which is a multiple of the lateral width of the strip.
Claim 4
Dependent Claim
32 words
The package according to claim 2, wherein said sealing strip comprises a plurality of layers and the final rebound height of each layer is less than the lateral width of the strip.
Claim 5
Dependent Claim
13 words
The package according to claim 1, wherein said panels are made of wood.
Claim 6
Dependent Claim
33 words
The package according to claim 1, wherein longitudinal side edges of the panels protrude beyond broad sides of the sealing strip, said broad sides being held adjacent corresponding inner surfaces of the panels.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |