Patent US3325980A successfully refreshed from Google Patents.
US3325980A
Expired / Lapsed
US
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Device for providing relative leaktightness between two parts which are movable withrespect to each other
Assignee: Groupement Atomique Alsacienne Atlantique SA
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Filing: 1963-11-19
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Granted: 1967-06-20
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Chameroy Jean
- 👤 Laxague Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:31
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0651; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3444; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K31/0655; F16K31/0658; F16L; F16L55/00; F16L55/24; G; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/042; G21C17/044; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
DEVICE FOR PROVIDING A SUBSTANTIALLY LEAKPROOF SEAL BETWEEN RELATIVELY MOVABLE ELEMENTS, COMPRISING: A PAIR OF CONDUITS HAVING OPPOSED AND SPACED APART ADJACENT ENDS; A DISC MOUNTED FOR ROTATION ABOUT AN AXIS ADJACENT SAID CONDUITS AND HAVING AN EDGE PORTION BETWEEN AND SPACED FROM SAID ADJACENT ENDS WHEREBY SAID EDGE PORTION MAY BE MOVED INTO AND OUT OF THE SPACE BETWEEN SAID CONDUIT ENDS; AT LEAST ONE OPENING THROUGH SAID DISC IN ALIGNMENT WITH SAID CONDUITS; AN ANNULAR SUPPORT IN SAID OPENING AND SLIDABLY MOUNTED THEREIN FOR MOVEMENT TOWARD AND FROM SEALING ENGAGEMENT WITH AN ADJACENT END OF ONE OF SAID CONDUITS; A FILTER CAPSULE SPANNING THE INTERIOR OF SAID ANNULAR SUPPORT; SPRING MEANS BETWEEN SAID DISC AND SUPPORT AND URGING SAID SUPPORT WAY FROM SAID ONE CONDUIT END AND TOWARD SAID DISC; SELECTIVELY OPERABLE MEANS FOR MOVING SAID SUPPORT INTO SEALING ENGAGEMENT WITH SAID ONE CONDUIT END, AGAINST THE ACTION OF SAID SPRING; AND MEANS DEFINING AN ENCLOSURE HOUSING SAID DISC AND SAID ADJACENT ENDS.
Claim 2
Dependent Claim
165 words
DEVICE FOR PROVIDING A SUBSTANTIALLY LEAKPROOF SEAL BETWEEN RELATIVELY MOVABLE ELEMENTS, COMPRISING: A PAIR OF CONDUITS HAVING OPPOSED AND SPACED APART ADJACENT ENDS; A DISC MOUNTED FOR ROTATION ABOUT AN AXIS ADJACENT SAID CONDUITS AND HAVING AN EDGE PORTION BETWEEN AND SPACED FROM SAID ADJACENT ENDS WHEREBY SAID EDGE PORTION MAY BE MOVED INTO AND OUT OF THE SPACE BETWEEN SAID CONDUIT ENDS; AT LEAST ONE OPENING THROUGH SAID DISC IN ALIGNMENT WITH SAID CONDUITS; AN ANNULAR SUPPORT IN SAID OPENING AND SLIDABLY MOUNTED THEREIN FOR MOVEMENT TOWARD AND FROM SEALING ENGAGEMENT WITH AN ADJACENT END OF ONE OF SAID CONDUITS; A FILTER CAPSULE SPANNING THE INTERIOR OF SAID ANNULAR SUPPORT; SPRING MEANS BETWEEN SAID DISC AND SUPPORT AND URGING SAID SUPPORT WAY FROM SAID ONE CONDUIT END AND TOWARD SAID DISC; SELECTIVELY OPERABLE MEANS FOR MOVING SAID SUPPORT INTO SEALING ENGAGEMENT WITH SAID ONE CONDUIT END, AGAINST THE ACTION OF SAID SPRING; AND MEANS DEFINING AN ENCLOSURE HOUSING SAID DISC AND SAID ADJACENT ENDS.
References Cited (Backward Citations)
US2143655A
Cited
US2402964A
Cited
US2502591A
Cited
US2695685A
Cited
US2840183A
Cited
US2912003A
Cited
US2838084A
Cited
US2974749A
Cited
US2964286A
Cited
US3047024A
Cited
US2973833A
Cited
FR1213058A
Cited
US3059470A
Cited
US3109457A
Cited
US3138015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |