Device for the cross perforation of webs

Details Device for the cross perforation of webs Device for the cross perforation of webs

2005-02-15

2005-02-15

Dexter, Clark F. (Department: 3724)

Cutting

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

Orbital motion of cutting blade

C083S304000, C083S564000, C083S660000, C083S678000, C493S370000

Reexamination Certificate

active

06854370

ABSTRACT:
A device for the cross perforation of webs, preferably paper webs for producing sacks, comprises a rotatingly driven perforating blade and a grooved roller, both of which are mounted on a machine frame and between them passes the web to be perforated. To adjust the penetration depth of the teeth of the perforating blade into the ring grooves of the grooved roller, there is at least one adjusting device for changing the distance between the axes of rotation of the perforating blade and the grooved roller.

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