US3616671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll for rolling mills
Assignee: Ugine Carbone
•
Filing: 1969-10-21
•
Granted: 1971-11-02
•
Expires: 1989-10-21
Abstract
Abstract A ROLLING MILL ROLL INCLUDES A SHAFT HAVING A SHOULDER THEREON, A PROFILE-DEFINING RING ENGAGED ABOUT THE SHAFT AND AGAINST THE SHOULDER, AND QUICK-RELEASE MEANS FOR HOLDING THE RING IN PLACE. THESE COMPRISE AN OUTER DISHED RING FITTING WITH CLEARANCE OVER THE END OF THE SHAFT AND BEARING AGAINST THE PROFILE RING, AN INNER DISHED RING COUPLED TO THE OUTER RING, AND AT LEAST ONE PIN EXTENDING RADIALLY INWARD FROM THE INNER DISHED RING FOR ENGAGEMENT WITH A HELICAL THREAD CUT ON THE SHAFT, THE THREAD TERMINATING IN A LENGTH OF ZERO OR REVERSE PITCH.
Inventors
- 👤 Georges Notari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B21B27/035
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |