US3197218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for a pressure vessel
Assignee: Babcock and Wilcox Co
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Filing: 1963-09-30
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Granted: 1965-07-27
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Earl E Coulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:39
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0881; F16L; F16L23/00; F16L23/16; F16L23/18; F16L23/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SEALING ASSEMBLY ARRANGED TO FORM A HIGH PRESSURE SEAL BETWEEN TWO OPPOSED PARTS HAVING MATING SURFACES, EACH OF SAID MATING SURFACES HAVING INWARDLY FACING GROOVES WHICH ARE ALIGNED WHEN THE TWO OPPOSED PARTS ARE IN OPERATIVE POSITION, SAID GROOVES HAVING AN INWARDLY TAPERING SIDE WALL, A PAIR OF WEDGE MEMBERS CONSTRUCTED AND ARRANGED TO FIT ONE WITHIN EACH OF SAID TAPERING GROOVES, AND A FLEXIBLE MEMBRANE EXTENDING BETWEEN SAID TAPERING GROOVES AND HELD IN PLACE BY SAID WEDGES, SAID MEMBRAME HAVING A LOOP FORMED SUBSTANTIALLY IN THE CENTER THEREOF AND CORRESPONDING TO THE JOINT BETWEEN THE OPPOSED PARTS WHEN IN OPERATIVE POSITION, SAID MEMBRAME HAVING A SOFT METALLIC COATING ON THE OUTER SURFACE THEREOF.
Claim 2
Dependent Claim
115 words
A SEALING ASSEMBLY ARRANGED TO FORM A HIGH PRESSURE SEAL BETWEEN TWO OPPOSED PARTS HAVING MATING SURFACES, EACH OF SAID MATING SURFACES HAVING INWARDLY FACING GROOVES WHICH ARE ALIGNED WHEN THE TWO OPPOSED PARTS ARE IN OPERATIVE POSITION, SAID GROOVES HAVING AN INWARDLY TAPERING SIDE WALL, A PAIR OF WEDGE MEMBERS CONSTRUCTED AND ARRANGED TO FIT ONE WITHIN EACH OF SAID TAPERING GROOVES, AND A FLEXIBLE MEMBRANE EXTENDING BETWEEN SAID TAPERING GROOVES AND HELD IN PLACE BY SAID WEDGES, SAID MEMBRAME HAVING A LOOP FORMED SUBSTANTIALLY IN THE CENTER THEREOF AND CORRESPONDING TO THE JOINT BETWEEN THE OPPOSED PARTS WHEN IN OPERATIVE POSITION, SAID MEMBRAME HAVING A SOFT METALLIC COATING ON THE OUTER SURFACE THEREOF.
References Cited (Backward Citations)
US2422009A
Cited
US3079033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |