Patent US3222900A successfully refreshed from Google Patents.
US3222900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control for rocking mill stands
Assignee: ABB Norden Holding AB
•
Filing: 1962-05-01
•
Granted: 1965-12-14
•
Expires: 1982-05-01
Abstract
No abstract record available.
Inventors
- 👤 Helsing Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:41
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/48; B21B37/52; H; H02; H02P; H02P5/00; H02P5/46; H02P5/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
ROLLING MILL FOR THIN GOODS COMPRISING A ROLLER TRAIN WITH A FIRST BASE ROLLING MILL AND AT LEAST SECOND AND THIRD OTHER MILLS, EACH MILL COMPRISING A HOUSING, DRIVING MEANS AND AT LEAST ONE PAIR OF WORKING ROLLERS MOUNTED IN SAID HOUSING, MEANS MOUNTING AT LEAST THE HOUSINGS OF SAID SECOND AND THIRD MILLS FOR MOVEMENT IN RELATION TO THE GROUND, AT LEAST SAID SECOND AND THIRD MILLS BEING PROVIDED WITH MEANS RESPONSIVE TO MOVEMENT OF THE HOUSINGS IN TWO OPPOSITE DIRECTIONS FOR MEASURING THE TENSILE FORCE UPON THE HOUSING RESULTING FROM THE PULL OF THE ROLLED GOODS AND FOR PRODUCING AN OUTPUT SIGNAL, MEANS TO ADJUST THE ROLL SPEED OF THE BASE MILL TO A DESIRED VALUE MEANS FOR ADJUSTING THE ROLL SPEEDS OF THE SECOND AND THIRD MILLS TO OTHER VALUES, SO AS TO PRODUCE A CERTAIN TENSILE FORCE IN THE ROLLED GOODS FROM THE ADJACENT MILLS BETWEEN ADJACENT HOUSINGS, AND MEANS TO FEED THE OUTPUT SIGNAL TO THE MEASURING MEANS UPON MOVEMENT OF THE CORRESPONDING HOUSING AT LEAST INDIRECTLY TO THE DRIVING MEANS OF THE SAME MILL.
Claim 2
Dependent Claim
180 words
ROLLING MILL FOR THIN GOODS COMPRISING A ROLLER TRAIN WITH A FIRST BASE ROLLING MILL AND AT LEAST SECOND AND THIRD OTHER MILLS, EACH MILL COMPRISING A HOUSING, DRIVING MEANS AND AT LEAST ONE PAIR OF WORKING ROLLERS MOUNTED IN SAID HOUSING, MEANS MOUNTING AT LEAST THE HOUSINGS OF SAID SECOND AND THIRD MILLS FOR MOVEMENT IN RELATION TO THE GROUND, AT LEAST SAID SECOND AND THIRD MILLS BEING PROVIDED WITH MEANS RESPONSIVE TO MOVEMENT OF THE HOUSINGS IN TWO OPPOSITE DIRECTIONS FOR MEASURING THE TENSILE FORCE UPON THE HOUSING RESULTING FROM THE PULL OF THE ROLLED GOODS AND FOR PRODUCING AN OUTPUT SIGNAL, MEANS TO ADJUST THE ROLL SPEED OF THE BASE MILL TO A DESIRED VALUE MEANS FOR ADJUSTING THE ROLL SPEEDS OF THE SECOND AND THIRD MILLS TO OTHER VALUES, SO AS TO PRODUCE A CERTAIN TENSILE FORCE IN THE ROLLED GOODS FROM THE ADJACENT MILLS BETWEEN ADJACENT HOUSINGS, AND MEANS TO FEED THE OUTPUT SIGNAL TO THE MEASURING MEANS UPON MOVEMENT OF THE CORRESPONDING HOUSING AT LEAST INDIRECTLY TO THE DRIVING MEANS OF THE SAME MILL.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |