Differential-spacing perforating roll

Cutting – Processes – During movement of work past flying cutter

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Details

83304, 83341, 83660, 8369851, B23D 2502, B26F 124

Patent

active

060097817

ABSTRACT:
A rotatable perforating roll, for use in a continuously operating paper-converting rewinder, comprises at least a first plurality of pockets and a second plurality of pockets, each of the pockets designed to receive at least one perforating surface therein. The pockets are spaced apart from one another along the roll's outer circumference such that the pockets of the first plurality are equally spaced from one another at a first angular distance, and the pockets of the second plurality are equally spaced from one another at a second angular distance different from said first angular distance, but the pockets of the first plurality are unequally spaced from the pockets of the second plurality.

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