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US3726744A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for unwinding and splicing strips of material

Assignee: Reynolds Metals Co
•
Filing: 1971-01-11
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Granted: 1973-04-10
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Expires: 1991-01-11
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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 12:32
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)

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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) 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

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