Patent US3189804A successfully refreshed from Google Patents.
US3189804A
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Strip reel inertia compensation control system
Assignee: Westinghouse Electric Corp
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Filing: 1960-12-22
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Granted: 1965-06-15
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Dolphin
- 👤 David M Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN CONTROL APPARATUS FOR A STRIP REELING SYSTEM FOR ACHIEVING SUBSTANTIALLY CONSTANT STTRIP TENSION BETWEEN A PAIR OF ROLLS DRIVEN BY A FIRST MOTOR AND A REEL DRIVEN BY A SECOND MOTOR, THE COMBINATION OF, SIGNAL GENERATION MEANS OPERATIVE WITH EACH OF SAID FIRST AND SECOND MOTORS AND BEING CAPABLE OF PRODUCING A FIRST SIGNAL PROPORTIONAL TO THE INERTIA COMPENSATION REQUIRED BY THE STRIP REELING SYSTEM FOR A PREDETERMINED ACCELERATION OF THE STRIP, STRIP SPEED DETECTING MEANS FOR PROVIDING A SECOND SIGNAL PROPORTIONAL TO THE ACTUAL ACCELERATION OF THE STRIP, SIGNAL MULTIPLYING MEANS FOR OBTAINING A RESULTANT OUTPUT SIGNAL
Claim 2
Dependent Claim
99 words
IN CONTROL APPARATUS FOR A STRIP REELING SYSTEM FOR ACHIEVING SUBSTANTIALLY CONSTANT STTRIP TENSION BETWEEN A PAIR OF ROLLS DRIVEN BY A FIRST MOTOR AND A REEL DRIVEN BY A SECOND MOTOR, THE COMBINATION OF, SIGNAL GENERATION MEANS OPERATIVE WITH EACH OF SAID FIRST AND SECOND MOTORS AND BEING CAPABLE OF PRODUCING A FIRST SIGNAL PROPORTIONAL TO THE INERTIA COMPENSATION REQUIRED BY THE STRIP REELING SYSTEM FOR A PREDETERMINED ACCELERATION OF THE STRIP, STRIP SPEED DETECTING MEANS FOR PROVIDING A SECOND SIGNAL PROPORTIONAL TO THE ACTUAL ACCELERATION OF THE STRIP, SIGNAL MULTIPLYING MEANS FOR OBTAINING A RESULTANT OUTPUT 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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |