Web feed method and web feed apparatus

Details Web feed method and web feed apparatus Web feed method and web feed apparatus

2005-12-27

2005-12-27

Walsh, Donald P. (Department: 3653)

Winding, tensioning, or guiding

Unwinding

With attachment to preceding material

C242S555500

Reexamination Certificate

active

06978963

ABSTRACT:
Continuous web feed is provided by using an apparatus for unwinding a web on a continuous basis by means of an automatic web splicing apparatus. An arm supporting a web roll is rocked when unwinding of the web is switched between web rolls. When the web is switched from one of web rolls (roll A) to the other (roll B), the remaining core of the web roll is removed subsequent to switching. Then the web roll installation position is shifted to the side reverse to the front and back of the web being unwound from the other web roll (roll B). After that, a new web roll is mounted in position. When the web is switched from the other web roll (roll B) to the web roll (roll A), the remaining core of the web roll is removed subsequent to switching. The web roll installation position is arranged in such a way that a new web roll is then mounted on the same side as the front and back of the web being unwound from the web roll.

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