Web slitting system and slack inducing apparatus and method usef

Details Web slitting system and slack inducing apparatus and method usef Web slitting system and slack inducing apparatus and method usef

1987-02-05

1989-01-17

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226113, 226114, 242 562, B65H 2316

Patent

active

047983531

ABSTRACT:
Apparatus for inducing a controlled quantity of slack in a web traveling along a travel path from a web supply roll to a web slitter comprises first and second supports movable relative to one another. First and second sets of rollers are secured to the first and second supports, respectively, the rollers together defining at least a portion of a travel path for the web from a web supply roll to a web slitter. A control, responsive to an external signal, moves the first and second supports relative to one another a predetermined distance under positive control in such a manner as to effect relative movement of the first and second sets of rollers to vary the length of the travel path.

REFERENCES:
patent: 1941597 (1934-01-01), Cavagnaro
patent: 3025017 (1962-03-01), Wahlstrom
patent: 3743153 (1973-07-01), Moss
patent: 4702731 (1987-09-01), Lambrecht et al.

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