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US3341641A
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Centrifugal casting process
Assignee: Honeywell International Inc
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Filing: 1963-10-10
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Granted: 1967-09-12
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Charles D Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:25
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29K; B29K2077/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A CENTRIFUGAL CASTING PROCESS WHEREIN A MOLD IS CHARGED WITH A MATERIAL TO A MOLDED, AND THE MATERIAL IS CONVERTED THEREIN FROM A FLUID LIQUID TO A SOLID PHASE, THE IMPROVEMENT WHICH COMPRISES A REPEATED CYCLE OF ROTATING SAID MOLD ABOUT ITS VERTICAL AXIS TO A DESIRED ROTATIONAL SPEED OF AT LEAST 50 R.P.M. AND QUICKLY BRAKING SAID ROTATING MOLD WHEN IT ATTAINS SAID DESIRED ROTATIONAL SPEED, EACH CYCLE COMPRISING ABOUT 10 SECONDS OF ROTATION FOLLOWED BY ABOUT 10 SECONDS IN WHICH THE MOLD IS NOT ROTATED.
Claim 2
Dependent Claim
88 words
IN A CENTRIFUGAL CASTING PROCESS WHEREIN A MOLD IS CHARGED WITH A MATERIAL TO A MOLDED, AND THE MATERIAL IS CONVERTED THEREIN FROM A FLUID LIQUID TO A SOLID PHASE, THE IMPROVEMENT WHICH COMPRISES A REPEATED CYCLE OF ROTATING SAID MOLD ABOUT ITS VERTICAL AXIS TO A DESIRED ROTATIONAL SPEED OF AT LEAST 50 R.P.M. AND QUICKLY BRAKING SAID ROTATING MOLD WHEN IT ATTAINS SAID DESIRED ROTATIONAL SPEED, EACH CYCLE COMPRISING ABOUT 10 SECONDS OF ROTATION FOLLOWED BY ABOUT 10 SECONDS IN WHICH THE MOLD IS NOT ROTATED.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |