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US3248031A
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Multi-bow expander roll
Assignee: Beloit Eastern Corp
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Filing: 1964-01-08
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Granted: 1966-04-26
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 John A Kilmartin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:11
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/025; B65H23/0258; D; D06; D06C; D06C3/00; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; D06C2700/00; D06C2700/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A ROLL STRUCTURE HAVING A DEFORMABLE AXIS COMPRISING, A FLEXIBLE CYLINDRICAL ROLL, A HELICAL SPRING MEMBER IN SUPPORTING ENGAGING RELATIONSHIP WITH THE MATERIAL OF SAID ROLL SPACED INWARDLY FROM THE OUTER SURFACE THEREOF FOR PROVIDING A FIRM CURVATURE ALONG THE ROLL LENGTH, AND SUPPORTING MEANS FOR SUPPORTING SAID ROLL AND DEFORMING SAID ROLL AXIS IN A COMPOUND DEFORMATION IN MORE THAN ONE PLANE WHILE ROTATING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |