Rotary cutter
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United States of America Patent
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Sep 29, 1987
Grant Date -
N/A
app pub date -
Jun 16, 1986
filing date -
Jun 17, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved rotary cutter for a web material is proposed. It has a pair of rolls adapted to rotate synchronously in opposite directions and an axially elongated knife secured to each roll to extend axially. A plurality of rolling bodies are arranged around each roll to bear the shock upon cutting. Different means for preventing the knives from hitting the rolling bodies are proposed. This arrangement prevents the rolls from warping due to shock upon cutting and allows the use of rolls having a smaller diameter.
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