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US3874675A
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Metallic gasket assembly
Assignee: Dana Inc
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Filing: 1973-08-20
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Granted: 1975-04-01
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Expires: 1993-08-20
Abstract
Abstract The invention disclosed is a metallic gasket assembly having a main body which defines an insert opening. A metallic insert of a thinner gauge metal than the main body is positioned within the opening. The insert includes at least one insert portion, such as a tab, which mates with the opening defined by the main body. An embossment on the tab is compressed to deform and expand the tab outwardly into locking engagement with the main body.
Inventors
- 👤 Jerome G Belter
- 👤 Dan C Battistoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:34
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0818; F16J2015/085; F16J2015/0856; F16J2015/0862
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
110 words
A metallic gasket assembly comprising, in combination, a main gasket body having a predetermined thickness, said main gasket body defining an insert opening and a plurality of tab recesses, a metallic insert having an outer periphery complementary with said insert opening positioned within said opening, said metallic insert including a plurality of outwardly extending tabs complementary with and positioned within said tab recesses, said main gasket body encompassing said metallic insert, each of said insert tabs having at least one embossment defined thereon, the outer edge of each of said tabs being positioned tightly against said main gasket body, whereby said metallic insert is secured to said main gasket body.
Claim 2
Dependent Claim
110 words
A metallic gasket assembly comprising, in combination, a main gasket body having a predetermined thickness, said main gasket body defining an insert opening and a plurality of tab recesses, a metallic insert having an outer periphery complementary with said insert opening positioned within said opening, said metallic insert including a plurality of outwardly extending tabs complementary with and positioned within said tab recesses, said main gasket body encompassing said metallic insert, each of said insert tabs having at least one embossment defined thereon, the outer edge of each of said tabs being positioned tightly against said main gasket body, whereby said metallic insert is secured to said main gasket body.
Claim 3
Dependent Claim
24 words
A metallic gasket assembly according to claim 1, said insert portion having a thickness less than said predetermined thickness of said main gasket body.
Claim 4
Dependent Claim
46 words
A metallic gasket assembly according to claim 2, wherein said main body is constructed of steel, said predetermined thickness of said main body is between 0.050 and 0.090 inch, and wherein said insert portion is constructed of steel having a thickness between 0.015 and 0.030 inch.
Claim 5
Dependent Claim
21 words
A metallic gasket assembly according to claim 1, wherein said embossments comprise a U-shaped bead defined on each of said tabs.
Claim 6
Dependent Claim
25 words
A metallic gasket assembly according to claim 4, wherein said insert portion has a thickness less than said predetermined thickness of said main gasket body.
Claim 7
Dependent Claim
36 words
A metallic gasket assembly according to claim 1, wherein said metallic insert defines at least one fluid opening therethrough, and a continuous layer of resilient material mounted on said metallic insert and surrounding such fluid opening.
Claim 8
Dependent Claim
16 words
A metallic gasket assembly according to claim 6, wherein said resilient material comprises a silicone rubber.
Claim 9
Dependent Claim
108 words
A metallic gasket assembly comprising, in combination, a main gasket body having a predetermined thickness, said main gasket body defining an insert opening, a metallic insert positioned within such insert opening, said metallic insert having a thickness less than said predetermined thickness and a shape complementary with said insert opening, said gasket body defining a plurality of tab recesses adjacent such insert opening, said metallic insert including a plurality of outwardly extending tabs positioned within said tab recesses, each of said tabs having embossments thereon, the outer periphery of said tabs positioned against said main gasket body, thereby mechanically locking said metallic insert to said main gasket body.
Claim 10
Dependent Claim
108 words
A metallic gasket assembly comprising, in combination, a main gasket body having a predetermined thickness, said main gasket body defining an insert opening, a metallic insert positioned within such insert opening, said metallic insert having a thickness less than said predetermined thickness and a shape complementary with said insert opening, said gasket body defining a plurality of tab recesses adjacent such insert opening, said metallic insert including a plurality of outwardly extending tabs positioned within said tab recesses, each of said tabs having embossments thereon, the outer periphery of said tabs positioned against said main gasket body, thereby mechanically locking said metallic insert to said main gasket body.
Claim 11
Dependent Claim
39 words
A metallic gasket assembly according to claim 8, wherein said metallic insert defines at least one fluid opening therethrough, and an endless strip of resilient material mounted on said metallic insert in a surrounding relationship with such fluid opening.
Claim 12
Dependent Claim
16 words
A metallic gasket assembly according to claim 9, wherein said resilient material comprises a silicone rubber.
Claim 13
Dependent Claim
48 words
A metallic gasket assembly according to claim 9, wherein said main body is constructed of steel, said predetermined thickness of said main body is between 0.050 and 0.090 inch, said insert portion is constructed of steel and said insert portion has a thickness between 0.015 and 0.030 inch.
References Cited (Backward Citations)
US1523828A
Cited
US1546622A
Cited
US1889828A
Cited
US2462762A
Cited
US2860540A
Cited
US3077811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |