Device for in-line perforation of continuous webs of material

Details Device for in-line perforation of continuous webs of material Device for in-line perforation of continuous webs of material

1996-04-29

1997-11-11

Rachuba, Maurina T.

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83285, 83289, 83156, B26D 1143

Patent

active

056852134

ABSTRACT:
Device for in-line perforation of a continuous web of material in a gap between a pair of cylinders, the web being printed on at least one side thereof, both of the cylinders being held in side walls of a perforating unit and being driven, one of the cylinders carrying elements for perforating the web of material, includes a draw roller for drawing the web of material into the perforating unit, and a separate drive motor associated with the perforating unit and connected with the draw roller and the perforating-cylinder pair for simultaneously driving the draw roller and the perforating-cylinder pair.

REFERENCES:
patent: 2762433 (1956-09-01), Russell
patent: 3014631 (1961-12-01), Fischer et al.
patent: 4543863 (1985-10-01), Rader
patent: 4674371 (1987-06-01), Groth
patent: 4805501 (1989-02-01), Nuttin
patent: 4851763 (1989-07-01), Grutzmacher et al.

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