US3193245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure sealing means for valve ports
Assignee: Individual
•
Filing: 1961-08-16
•
Granted: 1965-07-06
•
Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Frank H Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:53
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87579
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A VALVE STRUCTURE INCLUDING A VALVE BODY HAVING A VALVE CHAMBER THEREIN, A MOVABLE VALVE ELEMENT IN THE CHAMBER, SAID BODY HAVING A FLUID INLET PORT AND A FLUID OUTLET, A SEAL CARRIED IN SAID INLET PORT AND COMPRISING A CYLINDRICAL THIN WALLED MEMBER HAVING A FORWARD FACE FOR CONTOURED SEALING CONTACT WITH THE MOVABLE VALVE ELEMENT, SAID SEAL HAVING AN INTEGRAL ELONGATED SKIRT PORTION EXTENDING REARWARDLY OF THE FACE AND IN DIRECT SEALING CONTACT THROUGHOUT ITS LENGTH WITH THE INLET PORT WALL WHEREBY TO UTILIZE THE FLUID PRESSURE AGAINST SAID SKIRT TO EXERT A SEALING PRESSURE THROUGHOUT THE SAID SKIRT AND AGAINST THE FORWARD FACE TO SEALINGLY ENGAGE THE SAME RESPECTIVELY WITH THE INLET PORT INNER WALL AND WITH THE MOVABLE VALVE MEMBER.
Claim 2
Dependent Claim
125 words
IN A VALVE STRUCTURE INCLUDING A VALVE BODY HAVING A VALVE CHAMBER THEREIN, A MOVABLE VALVE ELEMENT IN THE CHAMBER, SAID BODY HAVING A FLUID INLET PORT AND A FLUID OUTLET, A SEAL CARRIED IN SAID INLET PORT AND COMPRISING A CYLINDRICAL THIN WALLED MEMBER HAVING A FORWARD FACE FOR CONTOURED SEALING CONTACT WITH THE MOVABLE VALVE ELEMENT, SAID SEAL HAVING AN INTEGRAL ELONGATED SKIRT PORTION EXTENDING REARWARDLY OF THE FACE AND IN DIRECT SEALING CONTACT THROUGHOUT ITS LENGTH WITH THE INLET PORT WALL WHEREBY TO UTILIZE THE FLUID PRESSURE AGAINST SAID SKIRT TO EXERT A SEALING PRESSURE THROUGHOUT THE SAID SKIRT AND AGAINST THE FORWARD FACE TO SEALINGLY ENGAGE THE SAME RESPECTIVELY WITH THE INLET PORT INNER WALL AND WITH THE MOVABLE VALVE MEMBER.
References Cited (Backward Citations)
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |