Apparatus and method for rotary pressure cutting
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United States of America Patent
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Aug 10, 2004
Grant Date -
Oct 24, 2002
app pub date -
Apr 18, 2002
filing date -
Apr 20, 2001
priority date (Note) -
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Abstract
An improved rotary pressure cutting apparatus that cuts, perforates, and scores plies of paper, window materials, label stock, and plastic laminates in conjunction with soft, discontinuous, and/or non-cylindrical anvil surfaces. A light weight, low mass anvil in the form of a metallic sheet is supported in a strike position beneath a rotating blade. The anvil is biased by springs or elastomeric members toward the strike position and moves with the material being cut and the moving cutting blade during a cut. The anvil is returned to the strike position by the biasing member upon completion of the cut.
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