Patent CA467505A successfully refreshed from Google Patents.
US3286501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-stressed rolling mills
Assignee: Loewy Engineering Co Ltd
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Filing: 1963-07-30
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Granted: 1966-11-22
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Tracy John Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:53
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/02; B21B31/04; B21B2265/00; B21B2265/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A "FRAMELESS" ROLLING MILL IN WHICH THE BEARING CHOCKS AT EACH SIDE OF THE MILL FORM TOGETHER ONE ASSEMBLY, AND IN WHICH EACH ASSEMBLY IS INTERCONNECTED BY PRE-STRESSED COLUMNS, SETS OF BEARING PADS BEING POSITIONED BETWEEN THE TWO CHOCKS OF ONE ASSEMBLY AS WELL AS BETWEEN ONE CHOCK OF ONE OF SAID ASSEMBLIES AND THE PRESTRESSING MEANS, THE PADS OF EACH SET CONTACTING EACH OTHER ON MATCHING CONVEX AND CONCAVE BEARING SURFACES RESPECTIVELY WHICH ARE SO ARRANGED ON THE PADS THAT A CHOCK OF AN ASSEMBLY IS FREE TO TILT OR ROCK RELATIVE TO
Claim 2
Dependent Claim
94 words
A "FRAMELESS" ROLLING MILL IN WHICH THE BEARING CHOCKS AT EACH SIDE OF THE MILL FORM TOGETHER ONE ASSEMBLY, AND IN WHICH EACH ASSEMBLY IS INTERCONNECTED BY PRE-STRESSED COLUMNS, SETS OF BEARING PADS BEING POSITIONED BETWEEN THE TWO CHOCKS OF ONE ASSEMBLY AS WELL AS BETWEEN ONE CHOCK OF ONE OF SAID ASSEMBLIES AND THE PRESTRESSING MEANS, THE PADS OF EACH SET CONTACTING EACH OTHER ON MATCHING CONVEX AND CONCAVE BEARING SURFACES RESPECTIVELY WHICH ARE SO ARRANGED ON THE PADS THAT A CHOCK OF AN ASSEMBLY IS FREE TO TILT OR ROCK RELATIVE TO
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |