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US3267568A
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US
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Apparatus for hydraulically removing and replacing interference fitted parts and the like
Assignee: Orbit Valve Co
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Filing: 1963-05-08
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Granted: 1966-08-23
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Howard M Johnson
- 👤 Jeffery D Irons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:48
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16L; F16L55/00; F16L55/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/49302; Y10T29/49815; Y10T29/49822; Y10T29/49826; Y10T29/49863; Y10T29/53; Y10T29/53552; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
APPARATUS FOR HYDRAULICALLY REMOVING A CYLINDRICAL SHAPED VALVE SEAT FROM INTERFERENCE FIT WITH A VALVE BODY COMPRISING IN COMBINATION THEREWITH: A CYLINDRICAL PORTION HAVING A CROSS-SECTIONAL CONFIGURATION TO PERMIT SAID PORTION TO TELESCOPE WITHIN SAID VALVE SEAT AND VALVE BODY, ONE END OF WHICH TERMINATES OUTWARDLY IN A LARGER DIAMETER PORTION ABUTTABLE AGAINST SAID VALVE SEAT; A FIRST ANNULAR SEALING MEANS ON SAID BODY PORTION CONTACTING AGAINST THE ANNULAR SURFACE OF SAID VALVE SEAT ADJACENT TO SAID BODY; A SECOND ANNULAR SEALING MEANS ON SAID BODY CONTACTING AGAINST SAID VALVE BODY TO FORM AN ANNULAR HYDRAULIC CHAMBER BETWEEN SAID SEALING MEANS;
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |