Apparatus for perforating a nonlinear line of weakness
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United States of America Patent
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May 21, 2019
Grant Date -
Sep 22, 2016
app pub date -
Mar 17, 2016
filing date -
Mar 17, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A perforating apparatus has a base having at least one counter component. The counter component has a length, LCC, and a nonlinear shape having a shape width, W. A support is operatively engaged with the base. A blade having a length, LB, is disposed on the support so as to cooperate in interacting relationship with the counter component. The blade has a plurality of teeth. A web material is perforated as it passes between the base and the support and the blade cooperates with the counter component. A driving means is associated with one of the support and the base to reciprocally shift the one of the support or the base for a distance, D, in a shifting direction. The distance, D, is at least the translational distance that one tooth travels to cover the shape width, W.
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