Patent US3081652A successfully refreshed from Google Patents.
US3081652A
Expired / Lapsed
US
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Taper rolling mill control
Assignee: Westinghouse Electric Corp
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Filing: 1955-11-30
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Granted: 1963-03-19
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Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Wright
- 👤 Loren F Stringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:10
CPC Classifications
B; B21; B21B; B21B38/00; B21B38/10; B21B38/105; B21H; B21H7/00; B21H7/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A CONTROL SYSTEM FOR MOTORS CONNECTED IN DRIVING RELATION WITH THE SCREW-DOWN MECHANISM AND ROLLS RESPECTIVELY OF A PAIR OF ROLLS SUPPORTED IN A MILL HOUSING COMPRISING, REGULATING MEANS CONNECTED TO CONTROL THE OPERATION OF THE SCREW-DOWN MOTOR, MEANS CONNECTED TO EFFECT CONTROL OF THE REGULATOR IN RESPONSE TO THE SPEEDS OF THE MOTORS TO MAINTAIN A PREDETERMINED SPEED RATIO THEREBETWEEN, MEANS PRODUCING A SIGNAL RESPONSIVE TO THE DEFORMATION OF THE ROLL HOUSING, AND MEANS CONNECTED TO MODIFY THE CONTROL OF THE REGULATOR IN ACCORDANCE WITH A SIGNAL WHICH IS THE DIFFERENTIAL OF SAID DEFORMATION RESPONSIVE SIGNAL.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |