US3552164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: Individual
•
Filing: 1968-02-19
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Granted: 1971-01-05
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Expires: 1988-02-19
Abstract
Abstract A ROLLING UNIT IN A ROLLING MILL FOR ROLLING METAL STOCK COMPRISES THREE ROLLS SPACED AT ANGLES OF 120* ABOUT A ROLLING AXIS. THE PERIPHERAL OUTLINES OF THE ROLLERS DEFINE THE SHAPE OF THE CROSS-SECTION DESIRED FOR THE METAL STOCK. MEANS ARE PROVIDED FOR SIMULTANEOUSLY COOLING AND LUBRICATING WITH A FIRST FLUID AT ADJUSTABLE PRESSURE THE METAL STOCK AND THE STOCK-ENGAGING SURFACES OF THE ROLLS AND WITH A SECOND FLUID AT INDEPENDENTLY ADJUSTABLE PRESSURE THE GUIDE MEMBERS WHICH SERVE TO GUIDE THE METAL STOCK AND THE REMAINING PORTIONS OF THE ROLLS NOT COOLED BY THE FIRST FLUID.
Inventors
- 👤 Ilario Properzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:06
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/08; B21B13/10; B21B13/103; B21B27/00; B21B27/06; B21B27/10; B21B45/00; B21B45/02; B21B45/0239; B21B45/0245; B21B45/0248; B21B45/0257; B21B1/00; B21B1/16; B21B1/18; B21B39/00; B21B39/14; B21B39/16; B21B39/165
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |