US3129618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous rolling mill drive
Assignee: Mannesmann Meer AG
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Filing: 1961-05-23
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Granted: 1964-04-21
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hergeth Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:08
CPC Classifications
B; B21; B21B; B21B35/00; B21B35/02; B21B35/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
CONTINUOUS ROLLING MILL APPARATUS PERMITTING CHANGE FROM ONE SPEED RANGE TO ANOTHER COMPRISING A FRAME, A PLURALITY OF STANDS IN SAID FRAME INDIVIDUALLY REMOVABLE THEREFROM, THE STANDS BEING ARRANGED TO PROVIDE A COMMON MILL PASS CENTER LINE, A COMMON INPUT DRIVE SHAFT FOR SAID STANDS, AND TWO SPINDLES ON THE FRAME DRIVEN FROM THE COMMON INPUT DRIVE SHAFT OF EACH STAND, ONE TO DRIVE ITS STAND WHEN ONE SIDE UP AND THE OTHER TO DRIVE THE STAND WHEN TURNED 180*, IN COMBINATION WITH GEARS ASSOCIATED WITH EACH DRIVE SPINDLE IN EACH STAND PROVIDING A DIFFERENT SPEED RANGE COMPARED TO THE OTHER SPINDLE; WHEREBY THE MILL CAN COVER AN INCREASED RANGE OF SPEEDS MERELY BY TURNING THE STANDS 180*
Claim 2
Dependent Claim
118 words
CONTINUOUS ROLLING MILL APPARATUS PERMITTING CHANGE FROM ONE SPEED RANGE TO ANOTHER COMPRISING A FRAME, A PLURALITY OF STANDS IN SAID FRAME INDIVIDUALLY REMOVABLE THEREFROM, THE STANDS BEING ARRANGED TO PROVIDE A COMMON MILL PASS CENTER LINE, A COMMON INPUT DRIVE SHAFT FOR SAID STANDS, AND TWO SPINDLES ON THE FRAME DRIVEN FROM THE COMMON INPUT DRIVE SHAFT OF EACH STAND, ONE TO DRIVE ITS STAND WHEN ONE SIDE UP AND THE OTHER TO DRIVE THE STAND WHEN TURNED 180*, IN COMBINATION WITH GEARS ASSOCIATED WITH EACH DRIVE SPINDLE IN EACH STAND PROVIDING A DIFFERENT SPEED RANGE COMPARED TO THE OTHER SPINDLE; WHEREBY THE MILL CAN COVER AN INCREASED RANGE OF SPEEDS MERELY BY TURNING THE STANDS 180*
References Cited (Backward Citations)
DE1040481B
Cited
GB847638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |