Patent US3270910A successfully refreshed from Google Patents.
US3270910A
Expired / Lapsed
US
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Joint structure
Assignee: Chicago Bridge and Iron Co
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Filing: 1963-06-28
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Granted: 1966-09-06
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Lusk Dudley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:30
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106; F17; F17C; F17C13/00; F17C13/005; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/05; F17C2201/054; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
160 words
IN COMBINATION WITH A FLANGED FITTING MOUNTED ON A CRYOGENIC VESSEL AND SUBJECT TO CRYOGENIC TEMPERATURES, AND A FLANGED MEMBER ADJOINING SAID FITTING, A JOINT STRUCTURE FOR JOINING SAID FITTING TO SAID MEMBER INCLUDING AT LEAST ONE OF THE RESPECTIVE FLANGES THEREOF AND HAVING COMPONENT PARTS SUBJECT TO DIFFERENT DEGREES OF THERMAL EXPANSION UNDER CONDITIONS OF TEMPERATURE CHANGE FROM AMBIENT TO CRYOGENIC TEMPERTURES AND COMPENSATED FOR DIFFERENTIAL CHANGES IN DIMENSION CAUSED BY SAID CONDITIONS, AND FURTHER COMPRISING BOLT MEANS FOR BOLTING SAID FLANGES TOGETHER AND HAVING A COEFFICIENT OF EXPANSION DIFFERENT FROM THE COEFFICIENT OF SAID ONE FLANGE UNDER SAID CONDITIONS, AND COMPENSATING WASHER MEANS HAVING A FURTHER DIFFERENT COEFFICIENT OF EXPANSION UNDER SAID CONDITIONS AND INTERPOSED BETWEEN SAID ONE FLANGE AND SAID BOLT MEANS, SAID WASHER MEANS BEING DIMENSIONED TO ACHIEVE A PREDETERMINED RELATIONSHIP BY THERMALLY INDUCED CHANGES BETWEEN DIMENSIONS AT AMBIENT TEMPERATURE AND DIMENSIONS AT A SERVICE TEMPERATURE OF THE BOLT MEANS AND THE PARTS BOLTED TOGETHER THEREBY.
References Cited (Backward Citations)
FR1335654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |