Apparatus for drawing out a web end from a web roll

Details Apparatus for drawing out a web end from a web roll Apparatus for drawing out a web end from a web roll

1992-10-30

1995-01-17

Jillions, John M.

Winding, tensioning, or guiding

Unwinding

With material end separator

B65H 1910

Patent

active

053819837

ABSTRACT:
An apparatus for drawing out the leading end portion of the web from a web roll is provided with hubs rotatable in a vertical plane, and a drawing-out arm provided under the web roll, rotatable in a vertical plane and having a distal end portion abutting against the lowest portion of the web on the web roll. On the distal end portion of the drawing-out arm are provided a sucking unit for sucking the lowest portion of the web on the web roll, a leading end portion detector for detecting the leading end portion of the web and a chuck for holding the leading end portion of the web. The leading end portion of the web is separated under its own weight and a negative pressure from the body of the portion of the web, detected by the leading end portion detector and held by the chuck so as to be pulled out.

REFERENCES:
patent: 3679112 (1972-07-01), Black et al.
patent: 4721263 (1988-06-01), Miyazaki
patent: 4824039 (1989-04-01), Muller et al.
patent: 4840320 (1989-06-01), Shigeta et al.
patent: 4984750 (1991-01-01), Shigeta et al.
patent: 5096134 (1992-03-01), Sakano

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