Patent US3298794A successfully refreshed from Google Patents.
US3298794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for pressure vessels
Assignee: Chicago Bridge and Iron Co
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Filing: 1964-01-28
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Granted: 1967-01-17
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Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter R Mikesell
- 👤 Jr Leonard P Zick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:50
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
IN AN AUTOCLAVE CONSTRUCTION, A SEALING MEANS BETWEEN A FIRST AND A SECOND MEMBER HAVING OPPOSED MATCHING SURFACES, COMPRISING: (A) A CONTINUOUS GROOVE PROVIDED IN SAID SURFACE OF SAID FIRST MEMBER; (B) A RESILIENT, ANNULAR SEALING GASKET MOUNTED IN SAID GROOVE OF SAID FIRST MEMBER; (C) AN ANNULAR CHANNEL PROVIDED IN SAID SURFACE OF SAID SECOND MEMBER SUBSTANTIALLY OPPOSITE THE GROOVE IN SAID FIRST MEMBER; (D) A FLEXIBLE METAL SHEET EXTENDNG SUBSTANTIALLY ACROSS SAID CHANNEL OF SAID SECOND MEMBER AND ATTACHED TO SAID SECOND MEMBER OUTWARDLY FROM SAID CHANNEL; (E) RESILIENT MATERIAL PROVIDED IN SAID CHANNEL TO URGE SAID SHEET SUBSTANTIALLY NORMAL FROM SAID SURFACE OF SAID SECOND MEMBER; (F) FLUID PASSAGE BETWEEN THE INTERIOR OF SAID AUTOCLAVE AND THE REGION BETWEEN SAID METAL SHEET AND SAID SECOND MEMBER; AND (G) MEANS FOR PRESSURIZING SAID AUTOCLAVE WHEREBY FLUID PRESSURE TRANSMITTED FROM THE INTERIOR OF SAID AUTOCLAVE VIA SAID PASSAGE URGES SAID SHEET FROM SAID SURFACE OF SAID SECOND MEMBER TO EFFECT A SEALING CONTACT BETWEEN THE OUTERWARDLY DISPOSED SURFACE OF SAID SHEET AND SAID SURFACE OF SAID FIRST MEMBER.
Claim 2
Dependent Claim
179 words
IN AN AUTOCLAVE CONSTRUCTION, A SEALING MEANS BETWEEN A FIRST AND A SECOND MEMBER HAVING OPPOSED MATCHING SURFACES, COMPRISING: (A) A CONTINUOUS GROOVE PROVIDED IN SAID SURFACE OF SAID FIRST MEMBER; (B) A RESILIENT, ANNULAR SEALING GASKET MOUNTED IN SAID GROOVE OF SAID FIRST MEMBER; (C) AN ANNULAR CHANNEL PROVIDED IN SAID SURFACE OF SAID SECOND MEMBER SUBSTANTIALLY OPPOSITE THE GROOVE IN SAID FIRST MEMBER; (D) A FLEXIBLE METAL SHEET EXTENDNG SUBSTANTIALLY ACROSS SAID CHANNEL OF SAID SECOND MEMBER AND ATTACHED TO SAID SECOND MEMBER OUTWARDLY FROM SAID CHANNEL; (E) RESILIENT MATERIAL PROVIDED IN SAID CHANNEL TO URGE SAID SHEET SUBSTANTIALLY NORMAL FROM SAID SURFACE OF SAID SECOND MEMBER; (F) FLUID PASSAGE BETWEEN THE INTERIOR OF SAID AUTOCLAVE AND THE REGION BETWEEN SAID METAL SHEET AND SAID SECOND MEMBER; AND (G) MEANS FOR PRESSURIZING SAID AUTOCLAVE WHEREBY FLUID PRESSURE TRANSMITTED FROM THE INTERIOR OF SAID AUTOCLAVE VIA SAID PASSAGE URGES SAID SHEET FROM SAID SURFACE OF SAID SECOND MEMBER TO EFFECT A SEALING CONTACT BETWEEN THE OUTERWARDLY DISPOSED SURFACE OF SAID SHEET AND SAID SURFACE OF SAID FIRST MEMBER.
References Cited (Backward Citations)
US1882223A
Cited
GB538192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |