Patent US3111081A successfully refreshed from Google Patents.
US3111081A
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Calender roll assembly
Assignee: Beloit Iron Works Inc
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Filing: 1962-01-18
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Granted: 1963-11-19
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Carl M Westbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:44
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/02; D21G1/0206; D06; D06C; D06C15/00; D06C15/08; D21G1/0253; D21G1/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A ROLL SUBJECT TO WHIP ON THE PERIPHERAL GENERALLY CYLINDRICAL SURFACE THEREOF, (A) SAID ROLL BEING DIVIDED INTO HEAT-RESPONSIVE SEGMENTAL SECTIONS, EACH SECTION EXTENDING SUBSTANTIALLY THE LENGTH OF THE ROLL, (B) AND MEANS FOR SELECTIVELY CREATING A TEMPERATURE DIFFERENTIAL BETWEEN ONE OF SUCH SEGMENTAL SECTIONS AND THE OTHER OF SUCH SECTIONS TO CORRECT FOR WHIP IN THE PERIPHERAL SURFACE OF THE ROLL.
Claim 2
Dependent Claim
62 words
A ROLL SUBJECT TO WHIP ON THE PERIPHERAL GENERALLY CYLINDRICAL SURFACE THEREOF, (A) SAID ROLL BEING DIVIDED INTO HEAT-RESPONSIVE SEGMENTAL SECTIONS, EACH SECTION EXTENDING SUBSTANTIALLY THE LENGTH OF THE ROLL, (B) AND MEANS FOR SELECTIVELY CREATING A TEMPERATURE DIFFERENTIAL BETWEEN ONE OF SUCH SEGMENTAL SECTIONS AND THE OTHER OF SUCH SECTIONS TO CORRECT FOR WHIP IN THE PERIPHERAL SURFACE OF THE ROLL.
References Cited (Backward Citations)
US2011748A
Cited
US2993432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |