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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
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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)

US169518A Cited
US784011A Cited
GB172486A Cited
US1756115A Cited
US1887226A Cited
US3282415A Cited
DE2364411A1 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

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