US3726744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for unwinding and splicing strips of material
Assignee: Reynolds Metals Co
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Filing: 1971-01-11
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Granted: 1973-04-10
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Expires: 1991-01-11
Abstract
Abstract Apparatus for and method of controlling the unwinding of an elongated strip material from a supply roll thereof during the coiling of such strip material to define a coil construction wherein a substantially planar support inclined at an acute angle relative to a vertical plane is utilized together with a plurality of supporting rollers which engage the lower outer periphery of such supply roll to define an unwinding station. Means is also provided for serially feeding supply rolls to the unwinding station and automatically splicing the leading end portion of each new supply roll to the trailing end portion of an unwound roll without stopping the coiling operation.
Inventors
- 👤 B Whiteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:50
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1805; B65H19/181; B65H19/1821; B65H19/1884; B65H19/1894; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/061; H01F41/063; Y; Y10; Y10T; Y10T156/00; Y10T156/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |