Patent USRE27370E successfully refreshed from Google Patents.
USRE27370E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shape control system for bar miil
Assignee: —
•
Filing: 1970-11-16
•
Granted: 1972-05-16
•
Expires: 1990-11-16
Abstract
Abstract A ROLLING MILL FOR RODS, BARS AND VARIOUS SHAPED CROSSSECTIONS HAS FINISHING STANDS WITH ROLL AXES ORIENTED NINETY DEGREES (90*) RELATIVE TO ADJACENT STANDS AND AUTOMATIC CONTROL OF THE ROLLING PARAMETERS TO OBTAIN PRECISE TRANSVERSE DIMENSIONS. TWO TRANSVERSE DIMENSIONS AND THE LOOP SIZE BETWEEN STANDS ARE SENSED AND USE TO CONTROL STAND SPEED AND ROLL SEPARATION IN A FEEDBACK CONTROL LOOP WHILE VARIABLE RELATING TO STAND LOADING AND PRODUCT CHARACTERISTICS ARE USED TO MAKE SUPPLEMENTARY OR COMPENSATING ADJUSTMENT. FURTHER CONTROL SIGNALS ARE DERIVED RELATING TO MASS FLOW TO PROVIDE COMPATIBLE ADJUSTMENT OF ROLLING PARAMETERS THROUGHOUT THE MILL.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:29
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/16; B21B37/165; B21B37/48; B21B37/50; B21B1/00; B21B1/16; B21B1/18; B21B41/00; B21B41/08; B21B41/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |