Patent US3217525A successfully refreshed from Google Patents.
US3217525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prestressed rolling mills
Assignee: Davy Loewy Ltd
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Filing: 1962-11-06
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Granted: 1965-11-16
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Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Howard David Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:56
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/02; B21B31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A ROLLING MILL STAND COMPRISING A PAIR OF HOUSINGS, UPPER AND LOWER LOAD-TRANSFERRING HORIZONTAL ROLLS MOUNTED BETWEEN THE HOUSINGS, UPPER AND LOWER ROLL NECK BEARING ASSEMBLIES SUPPORTED IN EACH HOUSING, EACH HOUSING BEING FORMED IN TWO PARTS, MEANS FOR FORCING THE UPPER AND LOWER PART OF EACH HOUSING TOWARDS ONE ANOTHER, AND MEANS ARRANGED BETWEEN THE UPPER AND LOWER PART OF EACH HOUSING, SAID LATTER MEANS HAVING A RELATIVELY LOW RESISTANCE TO BENDING COMPARED WITH THE HOUSINGS, CARRYING THE ROLLING LOAD, SO AS TO PERMIT A DEGREE OF SELF ALIGNMENT OF THE ROLL NECK BEARING ASSEMBLIES OF ONE OF THE ROLLS.
Claim 2
Dependent Claim
101 words
A ROLLING MILL STAND COMPRISING A PAIR OF HOUSINGS, UPPER AND LOWER LOAD-TRANSFERRING HORIZONTAL ROLLS MOUNTED BETWEEN THE HOUSINGS, UPPER AND LOWER ROLL NECK BEARING ASSEMBLIES SUPPORTED IN EACH HOUSING, EACH HOUSING BEING FORMED IN TWO PARTS, MEANS FOR FORCING THE UPPER AND LOWER PART OF EACH HOUSING TOWARDS ONE ANOTHER, AND MEANS ARRANGED BETWEEN THE UPPER AND LOWER PART OF EACH HOUSING, SAID LATTER MEANS HAVING A RELATIVELY LOW RESISTANCE TO BENDING COMPARED WITH THE HOUSINGS, CARRYING THE ROLLING LOAD, SO AS TO PERMIT A DEGREE OF SELF ALIGNMENT OF THE ROLL NECK BEARING ASSEMBLIES OF ONE OF THE ROLLS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |