Method of and apparatus for automatic replacement of a fully wou

Winding – tensioning – or guiding – Coil holder or support – Spool or core

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242 56R, B65H 3502, B65H 1920

Patent

active

052226794

ABSTRACT:
A cradle-type winding machine has a pair of driven rollers receiving the sleeves on which the web is to be wound in a winding bed and a weakening device perforating the web upon temporary halting of the latter. A support can be raised into the winding bed and carries both a clamping roller and a swingable blade, the former being effective to clamp the web against one of the support rollers for the winding of heavy paper stack while the latter can be swung into a position enabling the tearing of light paper stack. When heavy paper stack is used, a perforator along the path of the web before it encounters the support rollers against which it is to lie is provided to perforate the web across its width and form a weakened zone on opposite sides of which adhesive strips are provided.

REFERENCES:
patent: 4370193 (1983-01-01), Knauthe
patent: 4408727 (1983-10-01), Dropczynski
patent: 4422588 (1983-12-01), Nowisch
patent: 4444360 (1984-04-01), Kaipf et al.
patent: 4485979 (1984-12-01), Dropczynski
patent: 4635867 (1987-01-01), Kytonen
patent: 4775110 (1988-10-01), Welp et al.
patent: 4789109 (1988-12-01), Kyytsonen et al.

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