Electricity: motive power systems – With particular motor-driven load device – Tension-maintaining type of motor-control system
Patent
1978-01-06
1979-07-31
Rubinson, Gene Z.
Electricity: motive power systems
With particular motor-driven load device
Tension-maintaining type of motor-control system
242 7551, B65H 6100
Patent
active
041631803
ABSTRACT:
Web tension in a creped paper rewinder is controlled at two stations along the web route by respective counter-weighted dancer rolls which also serve as sensors for a drive speed control mechanism. Primary drive speed is under programmed control whereby a first, length percentage of a rewind reel length determines the high speed drive duration whereupon the drive speed is reduced to a lower rate for rewind reel length completion. Rewind reels are self-started on vacuum mandrels which are magazine supplied to the reel starting position. The supply web is longitudinally slit into a multiplicity of strips, each strip being wound about the vacuum mandrel in a reel laterally distinct from adjacent reels but with all reels built upon a common axis mandrel. Tails of the several strips are severed from the web supply by traversing cutter-gluer apparatus which simultaneously spots the end of each cut tail with a portion of adhesive to prevent unreeling following strip reel removal from the mandrel.
REFERENCES:
patent: 3214110 (1965-10-01), Ross
patent: 3373332 (1968-03-01), Olsen
patent: 3518857 (1970-07-01), Hancock et al.
Cutter & Hansen, Web Speed Control, IBM Technical Disclosure Bulletin, vol. 16, No. 6, Nov. 1973, pp. 1895-1896.
Marcontell W. Allen
Redman John W.
Rubinson Gene Z.
Schmalz Richard L.
Westvaco Corporation
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