US3355918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge control system providing improved gauge accuracy in a reduction rolling mill
Assignee: Westinghouse Electric Corp
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Filing: 1965-08-31
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Granted: 1967-12-05
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Expires: 1985-08-31
Abstract
No abstract record available.
Inventors
- 👤 John W Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:46
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/16; G; G01; G01B; G01B21/00; G01B21/02; G01B21/08; G05; G05D; G05D5/00; G05D5/02; G05D5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A GAUGE CONTROL SYSTEM FOR A REDUCTION ROLLING MILL HAVING AT LEAST TWO ROLL STANDS AND RESPECTIVE GAUGE CONTROL SUBSYSTEMS ASSOCIATED WITH EACH OF TWO RESPECTIVE STANDS, SAID GAUGE CONTROL SYSTEM COMPRISING A MONITOR SYSTEM HAVING FIRST AND SECOND MONITOR SUBSYSTEMS RESPONSIVE TO DELIVERY GAUGE ERROR SIGNALS GENERATED BY A THICKNESS ERROR DETECTOR, SAID FIRST MONITOR SUBSYSTEM CONNECTED TO ONE OF THE GAUGE CONTROL SUBSYSTEMS TO PRODUCE GAUGE ERROR CORRECTION AT ONE OF THE TWO STANDS, SAID SECOND MONITOR SUBSYSTEM CONNECTED TO THE OTHER GAUGE CONTROL SUBSYSTEM TO PRODUCE GAUGE ERROR CORRECTION AT THE OTHER STAND, AND MEANS FOR CONTROLLING THE GAUGE ERROR LEVEL AT WHICH SAID MONITOR SUBSYSTEM BECOMES OPERATIVE IN RELATION TO THE GAUGE ERROR LEVEL AT WHICH SAID FIRST MONITOR SUBSYSTEM BECOMES OPERATIVE.
Claim 2
Dependent Claim
126 words
A GAUGE CONTROL SYSTEM FOR A REDUCTION ROLLING MILL HAVING AT LEAST TWO ROLL STANDS AND RESPECTIVE GAUGE CONTROL SUBSYSTEMS ASSOCIATED WITH EACH OF TWO RESPECTIVE STANDS, SAID GAUGE CONTROL SYSTEM COMPRISING A MONITOR SYSTEM HAVING FIRST AND SECOND MONITOR SUBSYSTEMS RESPONSIVE TO DELIVERY GAUGE ERROR SIGNALS GENERATED BY A THICKNESS ERROR DETECTOR, SAID FIRST MONITOR SUBSYSTEM CONNECTED TO ONE OF THE GAUGE CONTROL SUBSYSTEMS TO PRODUCE GAUGE ERROR CORRECTION AT ONE OF THE TWO STANDS, SAID SECOND MONITOR SUBSYSTEM CONNECTED TO THE OTHER GAUGE CONTROL SUBSYSTEM TO PRODUCE GAUGE ERROR CORRECTION AT THE OTHER STAND, AND MEANS FOR CONTROLLING THE GAUGE ERROR LEVEL AT WHICH SAID MONITOR SUBSYSTEM BECOMES OPERATIVE IN RELATION TO THE GAUGE ERROR LEVEL AT WHICH SAID FIRST MONITOR SUBSYSTEM BECOMES OPERATIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |