US3258151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel
Assignee: Autoclave Engineers Inc
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Filing: 1963-11-08
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Granted: 1966-06-28
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Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Gasche Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:24
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/04; B; B01; B01J; B01J3/00; B01J3/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
221 words
A PRESSURE VESSEL HAVING WALLS AT ITS OUTER END PROVIDED WITH A FIRST CYLINDER BORE TERMINATING IN AN INWARDLY EXTENDING SHOULDER, THE INNER EDGE OF THE SHOULDER MERGING INTO A SECOND CYLINDRICAL BORE, A CYLINDRICAL COVER SLIDABLY RECEIVED IN THE FIRST BORE AND HAVING AT ITS INNER END A REDUCED SECTION SLIDABLY RECEIVED IN SAID SECOND BORE, SAID REDUCED SECTION AT ITS INNER END HAVING AN INWARDLY TAPERED SURFACE MERGING INTO A CYLINDRICAL SECTION OF REDUCED DIAMETER, A FIRST RING HAVING A CYLINDRICAL OUTER SURFACE SLIDABLY ENGAGING THE SECOND BORE AND A TAPERED INNER SURFACE COMPLEMENTARY TO THE TAPERED SURFACE ON THE COVER, AN O-RING SEAL BELOW THE FIRST RING BETWEEN THE SECOND BORE AND THE SECTION OF REDUCED DIAMETER, SAID O-RING BEING URGED AGAINST SAID FIRST RING BY INTERNAL PRESSURE IN THE VESSEL TO FORCE THE FIRST RING INTO TIGHT ENGAGEMENT BETWEEN SAID TAPERED SURFACE AND SAID SECOND BORE AND SAID O-RING BEING ITSELF EXPANDED INWARD AND OUTWARD TO PROVIDE A SEAL, DIAMETRAL BORES IN THE OUTER END OF THE COVER AND THE WALLS OF THE VESSEL, SAID SHOULDER POSITIONING THE COVER WHEN THE VESSEL IS DEPRESSURIZED WITH THE DIAMETRAL BORES IN ALIGNMENT, AND A PIN HAVING A SLIDING FIT IN THE DIAMETRAL BORES AND OCCUPYING THE FULL DIAMETER OF THE COVER AND SUBSTANTIALLY THE FULL THICKNESS OF THE WALLS.
Claim 2
Dependent Claim
221 words
A PRESSURE VESSEL HAVING WALLS AT ITS OUTER END PROVIDED WITH A FIRST CYLINDER BORE TERMINATING IN AN INWARDLY EXTENDING SHOULDER, THE INNER EDGE OF THE SHOULDER MERGING INTO A SECOND CYLINDRICAL BORE, A CYLINDRICAL COVER SLIDABLY RECEIVED IN THE FIRST BORE AND HAVING AT ITS INNER END A REDUCED SECTION SLIDABLY RECEIVED IN SAID SECOND BORE, SAID REDUCED SECTION AT ITS INNER END HAVING AN INWARDLY TAPERED SURFACE MERGING INTO A CYLINDRICAL SECTION OF REDUCED DIAMETER, A FIRST RING HAVING A CYLINDRICAL OUTER SURFACE SLIDABLY ENGAGING THE SECOND BORE AND A TAPERED INNER SURFACE COMPLEMENTARY TO THE TAPERED SURFACE ON THE COVER, AN O-RING SEAL BELOW THE FIRST RING BETWEEN THE SECOND BORE AND THE SECTION OF REDUCED DIAMETER, SAID O-RING BEING URGED AGAINST SAID FIRST RING BY INTERNAL PRESSURE IN THE VESSEL TO FORCE THE FIRST RING INTO TIGHT ENGAGEMENT BETWEEN SAID TAPERED SURFACE AND SAID SECOND BORE AND SAID O-RING BEING ITSELF EXPANDED INWARD AND OUTWARD TO PROVIDE A SEAL, DIAMETRAL BORES IN THE OUTER END OF THE COVER AND THE WALLS OF THE VESSEL, SAID SHOULDER POSITIONING THE COVER WHEN THE VESSEL IS DEPRESSURIZED WITH THE DIAMETRAL BORES IN ALIGNMENT, AND A PIN HAVING A SLIDING FIT IN THE DIAMETRAL BORES AND OCCUPYING THE FULL DIAMETER OF THE COVER AND SUBSTANTIALLY THE FULL THICKNESS OF THE WALLS.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |