US3381352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a valve element
Assignee: ACF Industries Inc
•
Filing: 1965-10-04
•
Granted: 1968-05-07
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Walter O Lindner
- 👤 James I Aubuchon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49417; Y10T29/49423; Y10T29/4998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
THE METHOD OF FORMING A VALVE MEMBER ADAPTED TO BE SLIDABLY RECEIVED IN A VALVE OPENING, SAID MEMBER HAVING A RESILIENT TIP FOR MOVABLY ENGAGING A VALVE SEAT DISPOSED IN SAID VALVE OPENING TO DEFINE AN ANNULAR FLUID TIGHT SEAL AND TO REGULATE FLOW OF FLUID THROUGH SAID OPENING, THE STEPS THEREIN FOR FORMING SAID MEMBER CONSISTING OF: (1) PROVIDING AN ELONGATED SOLID METALLIC VALVE ELEMENT HAVING OPPOSED ENDS AND A NON-CIRCULAR PERIPHERAL SURFACE, (2) CONSTRICTING A PORTION OF SAID ELONGATED VALVE ELEMENT AT ONE OF SAID ENDS TO FORM A NECK, (3) DISPLACING RADIALLY OUTWARDLY THE METAL IN AT LEAST A PART OF SAID CONSTRICTED NECK PORTION AT SAID ONE END TO DEFINE AN ENLARGED COLLAR BY APPLYING RADIALLY INWARDLY DIRECTED FORCES THERETO, (4) FORMING A SOCKET IN THE END FACE OF SAID VALVE ELEMENT ADJACENT TO AND THROUGH SAID ENLARGED COLLAR, AND (5) APPLYING A THERMO-SETTING MATERIAL TO SAID SOCKET AND SAID COLLAR TO ENGAGE THE LATTER AND FORM A RESILIENT SEAL.
Claim 2
Independent Claim
164 words
THE METHOD OF FORMING A VALVE MEMBER ADAPTED TO BE SLIDABLY RECEIVED IN A VALVE OPENING, SAID MEMBER HAVING A RESILIENT TIP FOR MOVABLY ENGAGING A VALVE SEAT DISPOSED IN SAID VALVE OPENING TO DEFINE AN ANNULAR FLUID TIGHT SEAL AND TO REGULATE FLOW OF FLUID THROUGH SAID OPENING, THE STEPS THEREIN FOR FORMING SAID MEMBER CONSISTING OF: (1) PROVIDING AN ELONGATED SOLID METALLIC VALVE ELEMENT HAVING OPPOSED ENDS AND A NON-CIRCULAR PERIPHERAL SURFACE, (2) CONSTRICTING A PORTION OF SAID ELONGATED VALVE ELEMENT AT ONE OF SAID ENDS TO FORM A NECK, (3) DISPLACING RADIALLY OUTWARDLY THE METAL IN AT LEAST A PART OF SAID CONSTRICTED NECK PORTION AT SAID ONE END TO DEFINE AN ENLARGED COLLAR BY APPLYING RADIALLY INWARDLY DIRECTED FORCES THERETO, (4) FORMING A SOCKET IN THE END FACE OF SAID VALVE ELEMENT ADJACENT TO AND THROUGH SAID ENLARGED COLLAR, AND (5) APPLYING A THERMO-SETTING MATERIAL TO SAID SOCKET AND SAID COLLAR TO ENGAGE THE LATTER AND FORM A RESILIENT SEAL.
References Cited (Backward Citations)
US2393751A
Cited
US2580668A
Cited
US3090108A
Cited
US3086750A
Cited
US3326520A
Cited
US3317183A
Cited
US3326521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |