US3344803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for connecting and sealing-off between two sections of a pipeline for conveying liquefied gas
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1965-11-04
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Granted: 1967-10-03
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Expires: 1985-11-04
Abstract
No abstract record available.
Inventors
- 👤 Charles Pierre
- 👤 Testard Olivier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:46
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/06; F16L59/065; F16L29/00; F16L29/02; F16L37/00; F16L37/28; F16L59/14; F16L59/141; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
DEVICE FOR CONNECTING AND SEALING-OFF BETWEEN TWO SECTIONS OF A LIQUEFIED-GAS PIPELINE OF THE TYPE IN WHICH EACH SECTION HAS AN INNER PIPE FOR THE CIRCULATION OF LIQUEFIED GAS AND AN OUTER PIPE COAXIAL WITH THE INNER PIPE AND FORMING WITH SAID INNER PIPE A LEAK-TIGHT ANNULAR VACUUM SPACE, SAID DEVICE COMPRISING DISCONNECTABLE MEANS PROVIDING A LEAK-TIGHT COUPLING BETWEEN THE COOPERATING TERMINAL PORTIONS OF THE TWO SECTIONS, THE DIAMETERS OF SAID TERMINAL PORTIONS BEING SUCH THAT THE FIRST SECTION IS SLIDABLY FITTED WITHIN THE SECOND SECTION, COOPERATING MEANS PROVIDED ON EACH OF SAID TWO SECTION APPLYING A CLAMPING FORCE ON A SEATING ELEMENT WHEN SAID TWO SECTIONS ARE BROUGHT TOGETHER FOR COUPLING, AND A CONTROL MEMBER WHICH PASSES IN LEAKTIGHT MANNER THROUGH THE OUTER AND INNER PIPES OF SAID SECOND SECTION TO APPLY AGAINST SAID SEATING ELEMENT A MEMBER FOR SEALING-OFF THE INNER PIPE OF SAID FIRST SECTION.
Claim 2
Dependent Claim
148 words
DEVICE FOR CONNECTING AND SEALING-OFF BETWEEN TWO SECTIONS OF A LIQUEFIED-GAS PIPELINE OF THE TYPE IN WHICH EACH SECTION HAS AN INNER PIPE FOR THE CIRCULATION OF LIQUEFIED GAS AND AN OUTER PIPE COAXIAL WITH THE INNER PIPE AND FORMING WITH SAID INNER PIPE A LEAK-TIGHT ANNULAR VACUUM SPACE, SAID DEVICE COMPRISING DISCONNECTABLE MEANS PROVIDING A LEAK-TIGHT COUPLING BETWEEN THE COOPERATING TERMINAL PORTIONS OF THE TWO SECTIONS, THE DIAMETERS OF SAID TERMINAL PORTIONS BEING SUCH THAT THE FIRST SECTION IS SLIDABLY FITTED WITHIN THE SECOND SECTION, COOPERATING MEANS PROVIDED ON EACH OF SAID TWO SECTION APPLYING A CLAMPING FORCE ON A SEATING ELEMENT WHEN SAID TWO SECTIONS ARE BROUGHT TOGETHER FOR COUPLING, AND A CONTROL MEMBER WHICH PASSES IN LEAKTIGHT MANNER THROUGH THE OUTER AND INNER PIPES OF SAID SECOND SECTION TO APPLY AGAINST SAID SEATING ELEMENT A MEMBER FOR SEALING-OFF THE INNER PIPE OF SAID FIRST SECTION.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |