US3104121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure seal assembly
Assignee: Thornhill-Craver Co Inc
•
Filing: 1960-05-05
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Granted: 1963-09-17
•
Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Obert L Nordin
- 👤 George D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; E; E21; E21B; E21B34/00; E21B34/02; E21B34/025; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; F16K1/42; F16K1/422; F16K1/427; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A HIGH PRESSURE SEAL ASSEMBLY COMPRISING, A MAIN BODY MEMBER HAVING A BORE THERETHROUGH, A FLOW CONTROL MEMBER, MEANS SECURING THE FLOW CONTROL MEMBER WITHIN THE BORE, THE OUTER DIAMETER OF SAID FLOW CONTROL MEMBER BEING SMALLER THAN THE DIAMETER OF SAID BORE ALONG A PORTION OF ITS LENGTH TO PROVIDE AN ANNULUS, AN ANNULAR SEALING SURFACE IN THE OUTER PERIPHERY OF THE FLOW CONTROL MEMBER IN PART DEFINING SAID ANNULUS, AN ANNULAR SEALING SURFACE IN THE BORE OF THE MAIN BODY MEMBER IN PART DEFINING SAID ANNULUS, AT LEAST ONE OF SAID SEALING SURFACES HAVING A PAIR OF SEALING FACES EXTENDING AT DIFFERENT ANGLES RELATIVE TO THE AXIS OF THE FLOW CONTROL MEMBER, ALL OF SAID SEALING FACES LYING AT AN ACUTE ANGULAR RELATIONSHIP WITH RESPECT TO THE AXIS OF THE FLOW CONTROL MEMBER WHEN SAID MEMBERS ARE ASSEMBLED, SAID FACES ON THE FLOW CONTROL MEMBER CONVERGING IN OPPOSITE DIRECTIONS WITH THE SEALING FACES ON THE MAIN BODY MEMBER, UNITARY ANNULAR NON-EXTRUDIBLE METALLIC SEAL MEANS IN SAID ANNULUS SEALING THE ANNULUS BETWEEN SAID BODY AND SAID CONTROL MEMBER, SAID SEAL MEANS BEING CAPABLE OF WITHSTANDING HIGH PRESSURES, SAID SEAL MEANS HAVING SEALING FACES COMPLEMENTARY TO AND ENGAGING THE SEALING FACES OF SAID MEMBERS.
Claim 2
Dependent Claim
204 words
A HIGH PRESSURE SEAL ASSEMBLY COMPRISING, A MAIN BODY MEMBER HAVING A BORE THERETHROUGH, A FLOW CONTROL MEMBER, MEANS SECURING THE FLOW CONTROL MEMBER WITHIN THE BORE, THE OUTER DIAMETER OF SAID FLOW CONTROL MEMBER BEING SMALLER THAN THE DIAMETER OF SAID BORE ALONG A PORTION OF ITS LENGTH TO PROVIDE AN ANNULUS, AN ANNULAR SEALING SURFACE IN THE OUTER PERIPHERY OF THE FLOW CONTROL MEMBER IN PART DEFINING SAID ANNULUS, AN ANNULAR SEALING SURFACE IN THE BORE OF THE MAIN BODY MEMBER IN PART DEFINING SAID ANNULUS, AT LEAST ONE OF SAID SEALING SURFACES HAVING A PAIR OF SEALING FACES EXTENDING AT DIFFERENT ANGLES RELATIVE TO THE AXIS OF THE FLOW CONTROL MEMBER, ALL OF SAID SEALING FACES LYING AT AN ACUTE ANGULAR RELATIONSHIP WITH RESPECT TO THE AXIS OF THE FLOW CONTROL MEMBER WHEN SAID MEMBERS ARE ASSEMBLED, SAID FACES ON THE FLOW CONTROL MEMBER CONVERGING IN OPPOSITE DIRECTIONS WITH THE SEALING FACES ON THE MAIN BODY MEMBER, UNITARY ANNULAR NON-EXTRUDIBLE METALLIC SEAL MEANS IN SAID ANNULUS SEALING THE ANNULUS BETWEEN SAID BODY AND SAID CONTROL MEMBER, SAID SEAL MEANS BEING CAPABLE OF WITHSTANDING HIGH PRESSURES, SAID SEAL MEANS HAVING SEALING FACES COMPLEMENTARY TO AND ENGAGING THE SEALING FACES OF SAID MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |