US3328987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gage-control apparatus
Assignee: Crucible Materials Corp
•
Filing: 1964-05-14
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Granted: 1967-07-04
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Feraci Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN COMBINATION WITH A HOT-MILL STAND FOR HOT-ROLLING METAL, GAGE-CONTROL APPARATUS COMPRISING MEANS FOR PRODUCING A SIGNAL PROPORTIONAL TO ROLL-SEPARATING FORCE, MEANS FOR PRODUCING A SIGNAL PROPORTIONAL TO THE ROLL GAP, MEANS FOR CHANGING SAID ROLL-SEPARATING FORCE SIGNAL IN ACCORDANCE WITH AT LEAST ONE CONTROL FUNCTION CONSISTING OF THE COMPOSITION OF THE MATERIAL BEING ROLLED AND THE TEMPERATURE OF THE MATERIAL BEING ROLLED, MEANS FOR COMBINING SAID CHANGED ROLL-SEPARATING FORCE SIGNAL WITH A SIGNAL PROPORTIONAL TO THE THICKNESS OF THE MATERIAL BEING ROLLED AND WITH SAID ROLL-GAP SIGNAL TO PRODUCE A SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE DESIRED WORKPIECE THICKNESS AND THE ACTUAL WORKPIECE THICKNESS.
Claim 2
Dependent Claim
106 words
IN COMBINATION WITH A HOT-MILL STAND FOR HOT-ROLLING METAL, GAGE-CONTROL APPARATUS COMPRISING MEANS FOR PRODUCING A SIGNAL PROPORTIONAL TO ROLL-SEPARATING FORCE, MEANS FOR PRODUCING A SIGNAL PROPORTIONAL TO THE ROLL GAP, MEANS FOR CHANGING SAID ROLL-SEPARATING FORCE SIGNAL IN ACCORDANCE WITH AT LEAST ONE CONTROL FUNCTION CONSISTING OF THE COMPOSITION OF THE MATERIAL BEING ROLLED AND THE TEMPERATURE OF THE MATERIAL BEING ROLLED, MEANS FOR COMBINING SAID CHANGED ROLL-SEPARATING FORCE SIGNAL WITH A SIGNAL PROPORTIONAL TO THE THICKNESS OF THE MATERIAL BEING ROLLED AND WITH SAID ROLL-GAP SIGNAL TO PRODUCE A SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE DESIRED WORKPIECE THICKNESS AND THE ACTUAL WORKPIECE THICKNESS.
References Cited (Backward Citations)
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |