US3124020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and apparatus for controlling rolling mills
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/46; B21B37/48; B21B2267/00; B21B2267/02; B21B2267/06; B21B2267/065
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
THE METHOD OF EQUALIZING HORIZONTAL FORCES ON A THIN WORK ROLL OF A 4-HIGH ROLLING MILL FOR ROLLING STRIP MATERIAL AND HAVING A FIRST DIRECT-DRIVEN BACKING ROLL IN FRICTIONAL CONTACT WITH SAID THIN WORK ROLL, A LARGER WORK
Claim 2
Independent Claim
38 words
THE METHOD OF EQUALIZING HORIZONTAL FORCES ON A THIN WORK ROLL OF A 4-HIGH ROLLING MILL FOR ROLLING STRIP MATERIAL AND HAVING A FIRST DIRECT-DRIVEN BACKING ROLL IN FRICTIONAL CONTACT WITH SAID THIN WORK ROLL, A LARGER WORK
Claim 3
Dependent Claim
126 words
IN A STRIP ROLLING MILL COMPRISING AT LEAST THREE ROLLS AND HAVING ONE THIN WORK ROLL AND A LARGER WORK ROLL, APPARATUS FOR AUTOMATICALLY MAINTAINING AN EQUILIBRIUM OF FORCES APPLIED TO SAID THIN WORK ROLL IN A PLANE ALONG THE LINE OF TRAVEL OF THE STRIP MATERIAL COMPRISING MEANS TO SENSE THE TENSION FORCES IN THE STRIP BEING ROLLED, MEANS TO SENSE THE PROPELLING FORCES APPLIED TO THE WORK ROLLS, MEANS TO SENSE THE DIFFERENTIAL FORCE ACTING UPON THE LARGER WORK ROLL ALONG SAID PLANE, MEANS TO PRODUCE AN ERROR SIGNAL DERIVED FROM COMBINING THE SENSED FORCES, AND MEANS TO ALTER THE VALUE OF ONE OF SAID FORCES IN ACCORDANCE WITH THE ERROR SIGNAL TO RESTORE AN EQUILIBRIUM OF FORCES APPLIED TO THE THIN WORKING ROLL.
Claim 4
Dependent Claim
126 words
IN A STRIP ROLLING MILL COMPRISING AT LEAST THREE ROLLS AND HAVING ONE THIN WORK ROLL AND A LARGER WORK ROLL, APPARATUS FOR AUTOMATICALLY MAINTAINING AN EQUILIBRIUM OF FORCES APPLIED TO SAID THIN WORK ROLL IN A PLANE ALONG THE LINE OF TRAVEL OF THE STRIP MATERIAL COMPRISING MEANS TO SENSE THE TENSION FORCES IN THE STRIP BEING ROLLED, MEANS TO SENSE THE PROPELLING FORCES APPLIED TO THE WORK ROLLS, MEANS TO SENSE THE DIFFERENTIAL FORCE ACTING UPON THE LARGER WORK ROLL ALONG SAID PLANE, MEANS TO PRODUCE AN ERROR SIGNAL DERIVED FROM COMBINING THE SENSED FORCES, AND MEANS TO ALTER THE VALUE OF ONE OF SAID FORCES IN ACCORDANCE WITH THE ERROR SIGNAL TO RESTORE AN EQUILIBRIUM OF FORCES APPLIED TO THE THIN WORKING ROLL.
References Cited (Backward Citations)
US2601792A
Cited
US2651954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |