Patent US2878457A successfully refreshed from Google Patents.
Patent US3274812A successfully refreshed from Google Patents.
US3274812A
Expired / Lapsed
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Method and apparatus for vibratory squeeze-forming of metals
Assignee: Babcock and Wilcox Co
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Filing: 1964-07-01
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Granted: 1966-09-27
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Sidley O Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:20
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR SQUEEZE-FORMING METALS WHICH INCLUDES FORCING A SUBSTANTIALLY SOLID STATE METAL MEMBER THROUGH A DIE OPENING BY APPLYING AXIAL PRESSURE TO SAID MEMBER TO PERFORM WORK THEREON WHEREBY A REDUCTION IN THE CROSS-SECTION OF SAID MEMBER IS EFFECTED, SIMULTANEOUSLY APPLYING TRANVERSE VIBRATORY ENERGY TO SAID MEMBER FROM A PLURALITY OF VIBRATING DEVICES WHICH ARE ANGULARLY DISPOSED WITH RESPECT TO EACH OTHER, AND MAINTAING SAID VIBRATORY DEVICES OUT OF TIME PHASE WITH EACH OTHER SO AS TO IMPART AN ORBICULAR VIBRATIONAL MOVEMENT TO SAID MEMBER.
Claim 2
Dependent Claim
86 words
A PROCESS FOR SQUEEZE-FORMING METALS WHICH INCLUDES FORCING A SUBSTANTIALLY SOLID STATE METAL MEMBER THROUGH A DIE OPENING BY APPLYING AXIAL PRESSURE TO SAID MEMBER TO PERFORM WORK THEREON WHEREBY A REDUCTION IN THE CROSS-SECTION OF SAID MEMBER IS EFFECTED, SIMULTANEOUSLY APPLYING TRANVERSE VIBRATORY ENERGY TO SAID MEMBER FROM A PLURALITY OF VIBRATING DEVICES WHICH ARE ANGULARLY DISPOSED WITH RESPECT TO EACH OTHER, AND MAINTAING SAID VIBRATORY DEVICES OUT OF TIME PHASE WITH EACH OTHER SO AS TO IMPART AN ORBICULAR VIBRATIONAL MOVEMENT TO SAID MEMBER.
References Cited (Backward Citations)
DE955943C
Cited
US3002614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |