Patent US3245429A successfully refreshed from Google Patents.
US3245429A
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Poppet valve
Assignee: PRESSURE PRODUCTS IND Inc
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Filing: 1963-01-08
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Granted: 1966-04-12
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Eigel J Bacino
- 👤 John C Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/46; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A POPPET VALVE COMPRISING A BODY HAVING A BORE WITH AN END SEATING FACE AND WITH A DELIVERY PORT, A CENTRAL INLET PORT EXTENDING FROM SAID FACE, A VALVE PLUG IN SAID BORE HAVING A PORTION ESTABLISHING COMMUNICATION WITH SAID DELIVERY PORT, SAID VALVE PLUG HAVING BETWEEN SAID PORTION AND SAID PORT AN EXTENSION, WITH AN END FACE AND AN ANNULAR RESILIENT PACKING MEMBER AROUND SAID END FACE FOR ENGAGEMENT WITH SAID END SEATING FACE TO CUT OFF FLUID FLOW, YIELDABLE MEANS FOR RETAINING SAID PLUG IN SAID BORE, AND GROOVES IN ONE OF SAID FACES IN COMMUNICATION WITH SAID PORT, SAID GROOVES TERMINATING IN SPACED RELATION TO SAID PACKING MEMBER WHEREBY DISPLACEMENT OF SAID PACKING MEMBER INTO SAID GROOVES IS AVOIDED, SAID GROOVES BEING DESIGNED TO PRESENT SUFFICIENT AREA EXPOSED TO INLET PRESSURE TO MATERIALLY DELAY THE FORMATION OF SECONDARY SEAL.
Claim 2
Dependent Claim
142 words
A POPPET VALVE COMPRISING A BODY HAVING A BORE WITH AN END SEATING FACE AND WITH A DELIVERY PORT, A CENTRAL INLET PORT EXTENDING FROM SAID FACE, A VALVE PLUG IN SAID BORE HAVING A PORTION ESTABLISHING COMMUNICATION WITH SAID DELIVERY PORT, SAID VALVE PLUG HAVING BETWEEN SAID PORTION AND SAID PORT AN EXTENSION, WITH AN END FACE AND AN ANNULAR RESILIENT PACKING MEMBER AROUND SAID END FACE FOR ENGAGEMENT WITH SAID END SEATING FACE TO CUT OFF FLUID FLOW, YIELDABLE MEANS FOR RETAINING SAID PLUG IN SAID BORE, AND GROOVES IN ONE OF SAID FACES IN COMMUNICATION WITH SAID PORT, SAID GROOVES TERMINATING IN SPACED RELATION TO SAID PACKING MEMBER WHEREBY DISPLACEMENT OF SAID PACKING MEMBER INTO SAID GROOVES IS AVOIDED, SAID GROOVES BEING DESIGNED TO PRESENT SUFFICIENT AREA EXPOSED TO INLET PRESSURE TO MATERIALLY DELAY THE FORMATION OF SECONDARY SEAL.
References Cited (Backward Citations)
US2608376A
Cited
US2959188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |