US3085784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft seat with metal insert for gate valves
Assignee: MCC Holdings Inc
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Filing: 1960-09-29
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Granted: 1963-04-16
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Robert P Dumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A SLIDE VALVE HAVING A GATE SLIDABLY MOUNTED THEREIN, A SOFT SEAT POSITIONED IN THE GATE TO SEAL THE SAME, SAID SOFT SEAT INCLUDING AN ELASTOMER RING, A METAL INSERT, MEANS FIXEDLY MOUNTING THE METAL INSERT IN SAID ELASTOMER RING, AND A COMPRESSION PLATE MOUNTED IN THE GATE AND ENGAGING THE ELASTOMER RING TO HOLD SAID RING IN POSITION, AND DETACHABLE MEANS SECURING THE COMPRESSION PLATE TO SAID GATE, AND A PLURALITY OF SPRINGS EXTENDING FROM THE METAL INSERT AND EMBEDDED WITHIN THE ELASTOMER RING AT RIGHT-ANGLES TO THE SEALING FACE OF SAID ELASTOMER RING.
Claim 2
Dependent Claim
96 words
IN A SLIDE VALVE HAVING A GATE SLIDABLY MOUNTED THEREIN, A SOFT SEAT POSITIONED IN THE GATE TO SEAL THE SAME, SAID SOFT SEAT INCLUDING AN ELASTOMER RING, A METAL INSERT, MEANS FIXEDLY MOUNTING THE METAL INSERT IN SAID ELASTOMER RING, AND A COMPRESSION PLATE MOUNTED IN THE GATE AND ENGAGING THE ELASTOMER RING TO HOLD SAID RING IN POSITION, AND DETACHABLE MEANS SECURING THE COMPRESSION PLATE TO SAID GATE, AND A PLURALITY OF SPRINGS EXTENDING FROM THE METAL INSERT AND EMBEDDED WITHIN THE ELASTOMER RING AT RIGHT-ANGLES TO THE SEALING FACE OF SAID ELASTOMER RING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |