US3238604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating slush pump fluid end housings
Assignee: Armco Inc
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Filing: 1963-01-07
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Granted: 1966-03-08
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Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Alvin R Reinarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:46
CPC Classifications
F; F04; F04B; F04B53/00; Y; Y10; Y10S; Y10S417/00; Y10S417/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236; Y10T29/49405; Y10T29/49412; Y10T29/49414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
THE METHOD OF FABRICATING A FLUID END HOUSING ASSEMBLY FOR A SLUSH PUMP COMPRISING, FORGING A PLURALITY OF IDENTICAL VALVE POT BLANKS, AND A PLURALITY OF IDENTICAL CYLINDER BARREL HALF BLANKS; MACHINING SAID CYLINDER BARREL HALF BLANKS TO FORM AT LEAST ONE PAIR OF CYLINDER BARREL HALVES, WHICH PAIR CAN BE ASSEMBLED INTO A FLUID CYLINDER HAVING AT LEAST ONE SUCTION PORT AND AT LEAST ONE DISCHARGE PORT, AND SAID VALVE POT BLANKS TO FORM SUCTION VALVE POTS AND DISCHARGE VALVE POTS WHICH, WHEN ASSEMBLED, WILL COMMUNICATE WITH SAID SUCTION AND DISCHARGE PORTS RESPECTIVELY; WELDING SAID SUCTION AND DISCHARGE VALVE POTS TO SAID CYLINDER BARREL HALVES SO AS TO COMMUNICATE, RESPECTIVELY, WITH SAID SUCTION AND DISCHARGE PORTS, AND SAID PAIR OF CYLINDER BARREL HALVES TOGETHER TO FORM A FLUID CYLINDER; STRESS RELIEVING SAID WELDED ASSEMBLY; AND THEN FINISH MACHINING THE INTERIOR OF SAID FLUID CYLINDER.
Claim 2
Independent Claim
145 words
THE METHOD OF FABRICATING A FLUID END HOUSING ASSEMBLY FOR A SLUSH PUMP COMPRISING, FORGING A PLURALITY OF IDENTICAL VALVE POT BLANKS, AND A PLURALITY OF IDENTICAL CYLINDER BARREL HALF BLANKS; MACHINING SAID CYLINDER BARREL HALF BLANKS TO FORM AT LEAST ONE PAIR OF CYLINDER BARREL HALVES, WHICH PAIR CAN BE ASSEMBLED INTO A FLUID CYLINDER HAVING AT LEAST ONE SUCTION PORT AND AT LEAST ONE DISCHARGE PORT, AND SAID VALVE POT BLANKS TO FORM SUCTION VALVE POTS AND DISCHARGE VALVE POTS WHICH, WHEN ASSEMBLED, WILL COMMUNICATE WITH SAID SUCTION AND DISCHARGE PORTS RESPECTIVELY; WELDING SAID SUCTION AND DISCHARGE VALVE POTS TO SAID CYLINDER BARREL HALVES SO AS TO COMMUNICATE, RESPECTIVELY, WITH SAID SUCTION AND DISCHARGE PORTS, AND SAID PAIR OF CYLINDER BARREL HALVES TOGETHER TO FORM A FLUID CYLINDER; STRESS RELIEVING SAID WELDED ASSEMBLY; AND THEN FINISH MACHINING THE INTERIOR OF SAID FLUID CYLINDER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |