US4192515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket retaining spring
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1978-06-05
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Granted: 1980-03-11
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Expires: 1998-06-05
Abstract
Abstract Gaskets used in flanged assemblies containing gasket recesses are held in place during the makeup of such assemblies by means of metallic springs which are attached to the wall of the recess adjacent the edge of the gasket and, when the gasket is properly positioned, bear against the edge with sufficient force to hold the gasket in place.
Inventors
- 👤 Hosea E. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:59
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/003; F16L23/16; F16L23/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
108 words
A flanged connection comprising a first flanged member containing an annular gasket recess bounded by a wall formed by said recess in said first member, an annular gasket positioned within said gasket recess and having an outer edge located adjacent said wall, a plurality of resilient metallic gasket retainer springs tack welded to said recess wall in said first flanged member and extending within said recess in contact with said edge of said gasket at spaced intervals about said gasket, a second flanged member aligned with said first flanged member and abutting against said gasket, and means for securing said second flanged member to said first flanged member.
Claim 2
Dependent Claim
108 words
A flanged connection comprising a first flanged member containing an annular gasket recess bounded by a wall formed by said recess in said first member, an annular gasket positioned within said gasket recess and having an outer edge located adjacent said wall, a plurality of resilient metallic gasket retainer springs tack welded to said recess wall in said first flanged member and extending within said recess in contact with said edge of said gasket at spaced intervals about said gasket, a second flanged member aligned with said first flanged member and abutting against said gasket, and means for securing said second flanged member to said first flanged member.
Claim 3
Dependent Claim
24 words
A connection as defined by claim 1 wherein said retainer springs extend over the edge of said gasket to hold said gasket in place.
Claim 4
Dependent Claim
17 words
A connection as defined by claim 1 wherein said retainer springs are tack welded to said gasket.
Claim 5
Dependent Claim
15 words
A connection as defined by claim 1 wherein said retainer springs comprise bowed metallic strips.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-11 | 1983-09-10 | 1984-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-11 | 1987-09-10 | 1988-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-11 | 1991-09-10 | 1992-03-11 | $7700.00 | Window Closed / Lapsed |