US4369978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket for air conditioners
Assignee: Nissan Motor Co Ltd
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Filing: 1980-09-17
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Granted: 1983-01-25
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Expires: 2000-09-17
Abstract
Abstract An improved gasket for an air conditioner having at least two separate air conditioning units. The gasket is interposed between the sealing surfaces of the units and comprises a first section of a non-porous material and a second section of a porous foam material. The first section is oriented transverse to the sealing surfaces and the second section is bonded to the first section in a manner of form a unitary, laminated construction. The first section mainly contributes to improving the sealing function of the gasket and the second section which constitutes the major part of the gasket mainly contributes to attaining the required deformability of the gasket.
Inventors
- 👤 Takeaki Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:30
CPC Classifications
F; F24; F24F; F24F13/00; B; B60; B60H; B60H1/00; B60H1/00507; B60H1/00514; B60H1/00528; F16; F16J; F16J15/00; F16J15/02; F16J15/021; F16J15/022; F16J15/06; F16J15/10; F16J15/104; B60H2001/00635; Y; Y10; Y10T; Y10T428/00; Y10T428/19; Y10T428/249921; Y10T428/249953; Y10T428/24996; Y10T428/249987
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
61 words
In an air conditioner including at least two separate air conditioning units, a gasket interposed between the sealing surfaces of said units, said gasket comprising a first section of a non-porous material oriented transverse to said sealing surfaces and a second section of a porous foam material bonded to said first section in a manner to form a unitary, laminated construction.
Claim 2
Dependent Claim
61 words
In an air conditioner including at least two separate air conditioning units, a gasket interposed between the sealing surfaces of said units, said gasket comprising a first section of a non-porous material oriented transverse to said sealing surfaces and a second section of a porous foam material bonded to said first section in a manner to form a unitary, laminated construction.
Claim 3
Dependent Claim
23 words
A gasket as claimed in claim 1, wherein said second section comprises two separate pieces, and wherein said first section is interposed therebetween.
Claim 4
Dependent Claim
26 words
A gasket as claimed in claim 1, wherein said second section comprises a single piece, and wherein said first section is bonded to a side thereof.
Claim 5
Dependent Claim
19 words
A gasket as claimed in claim 1, wherein said second section is bonded to one of said sealing surfaces.
Claim 6
Dependent Claim
33 words
A gasket as claimed in claim 4, wherein said first section further comprises a tab end adjacent the other sealing surface and is secured at said tab end to said other sealing surface.
Claim 7
Dependent Claim
16 words
A gasket as claimed in claim 1, wherein said first section comprises a thin, pliable strip.
Claim 8
Dependent Claim
16 words
A gasket as claimed in claim 6, wherein said first section comprises a double-faced adhesive tape.
Claim 9
Dependent Claim
16 words
A gasket as claimed in claim 6, wherein said first section comprises a single-faced adhesive tape.
Claim 10
Dependent Claim
17 words
A gasket as claimed in claim 6, wherein said first section comprises a layer of bonding agent.
Claim 11
Dependent Claim
17 words
A gasket as claimed in claim 1, wherein said second section comprises an elastic, readily deformable material.
Claim 12
Dependent Claim
17 words
A gasket as claimed in claim 10, wherein said second section comprises two pieces of urethane foam.
Claim 13
Dependent Claim
17 words
A gasket as claimed in claim 10, wherein said second section comprises a piece of urethane foam.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-24 | 1986-07-26 | 1987-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-24 | 1990-07-26 | 1991-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-24 | 1994-07-26 | 1995-01-25 | $7700.00 | Window Closed / Lapsed |