US3357217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slave gauge control system for a rolling mill
Assignee: Westinghouse Electric Corp
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Filing: 1965-05-12
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Granted: 1967-12-12
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 John W Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:03
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
101 words
A GAUGE CONTROL SYSTEM FOR A TANDEM ROLLING MILL HAVING AT LEAST A PRIOR ROLL STAND AND A SUBSEQUENT ROLL STAND WITH EACH OF THE STANDS HAVING VARIABLE POSITION SCREWS FOR CONTROLLING THE RESPECTIVE STAND ROLL OPENINGS, SAID SYSTEM COMPRISING MEANS FOR GENERATING A SIGNAL DEPENDENT UPON ROLL FORCE AT THE PRIOR STAND IN ACCORDANCE WITH A PREDETERMINED RELATIONSHIP, A SLAVE GAUGE CONTROL SUBSYSTEM GENERATING A GAUGE CORRECTION SIGNAL FOR CONTROLLING THE SCREW POSITION AT THE SUBSEQUENT STAND, AND MEANS FOR TRANSMITTING TO SAID SLAVE SUBSYSTEM AT LEAST A PORTION OF THE ROLL FORCE DEPENDENT SIGNAL GENERATED AT THE PRIOR STAND.
Claim 2
Dependent Claim
101 words
A GAUGE CONTROL SYSTEM FOR A TANDEM ROLLING MILL HAVING AT LEAST A PRIOR ROLL STAND AND A SUBSEQUENT ROLL STAND WITH EACH OF THE STANDS HAVING VARIABLE POSITION SCREWS FOR CONTROLLING THE RESPECTIVE STAND ROLL OPENINGS, SAID SYSTEM COMPRISING MEANS FOR GENERATING A SIGNAL DEPENDENT UPON ROLL FORCE AT THE PRIOR STAND IN ACCORDANCE WITH A PREDETERMINED RELATIONSHIP, A SLAVE GAUGE CONTROL SUBSYSTEM GENERATING A GAUGE CORRECTION SIGNAL FOR CONTROLLING THE SCREW POSITION AT THE SUBSEQUENT STAND, AND MEANS FOR TRANSMITTING TO SAID SLAVE SUBSYSTEM AT LEAST A PORTION OF THE ROLL FORCE DEPENDENT SIGNAL GENERATED AT THE PRIOR STAND.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |