Method of controlling web feeding device

Details Method of controlling web feeding device Method of controlling web feeding device

1989-04-10

1991-04-02

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 586, 242 684, B65H 1902

Patent

active

050041738

ABSTRACT:
There is disclosed a method of controlling a web feeding device comprising a pair of center blocks disposed upon predetermined movable members so as to oppose each other with their axes being aligned so as to perform loading and unloading of a web roll by moving closer to or farther away from each other, a lifter disposed adjacent to the movable members and vertically driven so as to elevate the web roll loaded thereon, and a sensor which detects alignment of the pair of center blocks with the core tube of the web roll; wherein:

REFERENCES:
patent: 3806058 (1974-04-01), Munchbach
patent: 4706905 (1987-11-01), Torres
patent: 4773609 (1988-09-01), Steffen et al.

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