Patent US3653673A successfully refreshed from Google Patents.
US3653673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaskets
Assignee: Dowty Seals Ltd
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Filing: 1970-11-02
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Granted: 1972-04-04
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Expires: 1990-11-02
Abstract
Abstract A gasket suitable for use with a gasketed joint assembly having a strip of a sealant material extending from part of an area subjected in use to high loading to another part of that area or to a part of another area subjected to use to high loading.
Inventors
- 👤 Dermot Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:00
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/064; F16L; F16L23/00; F16L23/16; F16L23/18
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
93 words
A gasket, suitable for use with a gasketed joint assembly of the kind stated, comprising in its free state a base of substantially-uniform thickness with a strip of sealant material on a surface thereof extending from one part of an area of the base to be subjected in use to high loading to another part of the said area, whereby the strip and the part of the said area between the ends of the strip act as an uninterrupted seal for a passageway of a joint part when assembled between the joint parts.
Claim 2
Dependent Claim
93 words
A gasket, suitable for use with a gasketed joint assembly of the kind stated, comprising in its free state a base of substantially-uniform thickness with a strip of sealant material on a surface thereof extending from one part of an area of the base to be subjected in use to high loading to another part of the said area, whereby the strip and the part of the said area between the ends of the strip act as an uninterrupted seal for a passageway of a joint part when assembled between the joint parts.
Claim 3
Dependent Claim
24 words
A gasket as claimed in claim 1 wherein a strip changes in thickness from each end thereof, having a maximum thickness intermediate its ends.
Claim 4
Dependent Claim
24 words
A gasket as claimed in claim 1 wherein a strip changes in width from each end thereof, having a maximum width intermediate its ends.
Claim 5
Dependent Claim
31 words
A gasket as claimed in claim 1 wherein a strip changes in thickness and in width from each end thereof, having a maximum thickness and a maximum width intermediate its ends.
Claim 6
Dependent Claim
16 words
A gasket as claimed in claim 1 in which the strip is screen-printed on the base.
Claim 7
Dependent Claim
16 words
A gasketed joint assembly of the kind stated having a gasket as claimed in claim 1.
Claim 8
Dependent Claim
105 words
A gasket, suitable for use with a gasketed joint assembly of the kind stated, comprising in its free state a base of substantially-uniform thickness with strips of sealant material on a surface thereof, each strip extending from part of an area of the base to be subjected in use to high loading to a part of an adjacent area of the base also to be subjected in use to high loading, whereby the strips and each part of each said area between adjacent ends of two strips act as an uninterrupted seal for a passageway of a joint part when assembled between the joint parts.
Claim 9
Dependent Claim
105 words
A gasket, suitable for use with a gasketed joint assembly of the kind stated, comprising in its free state a base of substantially-uniform thickness with strips of sealant material on a surface thereof, each strip extending from part of an area of the base to be subjected in use to high loading to a part of an adjacent area of the base also to be subjected in use to high loading, whereby the strips and each part of each said area between adjacent ends of two strips act as an uninterrupted seal for a passageway of a joint part when assembled between the joint parts.
Claim 10
Dependent Claim
24 words
A gasket as claimed in claim 7 wherein a strip changes in thickness from each end thereof, having a maximum thickness intermediate its ends.
Claim 11
Dependent Claim
24 words
As gasket as claimed in claim 7 wherein a strip changes in width from each end thereof, having a maximum width intermediate its ends.
Claim 12
Dependent Claim
31 words
A gasket as claimed in claim 7 wherein a strip changes in thickness and in width from each end thereof, having a maximum thickness and a maximum width intermediate its ends.
Claim 13
Dependent Claim
16 words
A gasket as claimed in claim 7 in which the strips are screen-printed on the base.
Claim 14
Dependent Claim
16 words
A gasketed joint assembly of the kind stated having a gasket as claimed in claim 7.
References Cited (Backward Citations)
US2058010A
Cited
US2681241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |