US3587267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock tension control in rolling mills
Assignee: British Iron and Steel Research Association BISRA
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Filing: 1968-11-14
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Granted: 1971-06-28
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Expires: 1988-11-14
Abstract
Abstract A ROD OR BAR ROLLING MILL STAND WHEREIN THE TWO WORK ROLLS ARE EACH MOUNTED ON A FREE END OF, AND DRIVEN BY, RESPECTIVE WORK ROLL DRIVE SHAFT. A COMMON AXIS IS DEFINED EXTENDING PERPENDICULAR TO AND DISPLACED FROM THE STOCK PASS LINE. THE COMMON AZIS INTERSECTS THE SHAFT AXES AT POINTS FIXED ON THE SHAFTS. THE SHAFTS ARE PIVOTALLY MOVABLE ABOUT THE COMMON AXIS. LOAD SENSING DEVICES ARE DISPOSED CATING BETWEEN EACH SHAFT AND THE MILL FRAME, WHEREBY THE DEVICES GIVE SIGNALS REPRESENTATIVE OF THE STOCK TENSION ADJACENT THE MILL STAND.
Inventors
- 👤 Nicholas A Townsend
- 👤 Roy R Oxlade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:31
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/005; B21B37/00; B21B37/48; B21B2203/00; B21B2203/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |