Rotary dies with adjustable cutter force
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United States of America Patent
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-
Jul 26, 1988
Grant Date -
N/A
app pub date -
Oct 22, 1987
filing date -
Oct 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Coacting die cylinders with one cylinder having a cutting blade and the other cylinder an anvil surface which when rotating cooperate to cut a blank from a web of low density material. The blade and the anvil surface are tapered in opposite axial directions so that the clearance between them can be readily varied and adjusted by moving the cylinders axially relative to each other. Preferably, the cylinders each have a pair of cylindrical bearers which are in contact and rolling engagement with each other when the cylinders are operating to cut a web of material. The die cylinders are journaled in bearing assemblies carried by the cylinders and removably received in the stand to facilitate easy removal and installation of the die cylinders when desired.
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