US3356337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve sealing element
Assignee: OHIO INJECTOR CO
•
Filing: 1965-03-09
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Granted: 1967-12-05
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Robert B Olen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:22
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K5/0631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A SEALING ELEMENT FOR A BALL VALVE OF THE TYPE HAVING A BODY CONTAINING THE VALVE BALL AND END PIECES ASSEMBLED WITH SAID BODY AT THE ENDS THEREOF, SAID SEALING ELEMENT COMPRISING AN ANNULAR MEMBER FORMED OF AN ELASTOMERIC MATERIAL AND PROVIDED WITH A MAIN PORTION FOR SEALING ENGAGEMENT WITH THE VALVE BALL AND A CIRCUMFERENTIAL EXTENSION FOR SEALING INTERPOSITION BETWEEN THE MATING SURFACES OF THE VALVE BODY AND AN END PIECE, SAID MAIN PORTION AND CIRCUMFERENTIAL EXTENSION BEING INTEGRAL, AND A RELATIVELY RIGID INSERT EMBEDDED IN SAID MAIN PORTION AND SERVING TO WITHSTAND UNDUE DISTORTION OF SAID SEALING ELEMENT TO THEREBY ENSURE ITS PROPER SEALING FUNCTION RELATIVE TO SAID VALVE BALL AND TO SAID VALVE BODY AT THE CONNECTION OF THE BODY WITH SAID END PIECES, SAID INSERT HAVING ITS PERIPHERY PROVIDED WITH NOTCH MEANS SERVING TO PERMIT FLOW OF THE ELASTOMERIC MATERIAL AROUND IT DURING MOLDING OF THE SEALING ELEMENT.
Claim 2
Dependent Claim
152 words
A SEALING ELEMENT FOR A BALL VALVE OF THE TYPE HAVING A BODY CONTAINING THE VALVE BALL AND END PIECES ASSEMBLED WITH SAID BODY AT THE ENDS THEREOF, SAID SEALING ELEMENT COMPRISING AN ANNULAR MEMBER FORMED OF AN ELASTOMERIC MATERIAL AND PROVIDED WITH A MAIN PORTION FOR SEALING ENGAGEMENT WITH THE VALVE BALL AND A CIRCUMFERENTIAL EXTENSION FOR SEALING INTERPOSITION BETWEEN THE MATING SURFACES OF THE VALVE BODY AND AN END PIECE, SAID MAIN PORTION AND CIRCUMFERENTIAL EXTENSION BEING INTEGRAL, AND A RELATIVELY RIGID INSERT EMBEDDED IN SAID MAIN PORTION AND SERVING TO WITHSTAND UNDUE DISTORTION OF SAID SEALING ELEMENT TO THEREBY ENSURE ITS PROPER SEALING FUNCTION RELATIVE TO SAID VALVE BALL AND TO SAID VALVE BODY AT THE CONNECTION OF THE BODY WITH SAID END PIECES, SAID INSERT HAVING ITS PERIPHERY PROVIDED WITH NOTCH MEANS SERVING TO PERMIT FLOW OF THE ELASTOMERIC MATERIAL AROUND IT DURING MOLDING OF THE SEALING ELEMENT.
References Cited (Backward Citations)
CA567554A
Cited
US2310583A
Cited
US2768806A
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US3014690A
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US3272472A
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US3244398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |