Vacuum die cutting apparatus for foam backed materials
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United States of America Patent
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-
Jun 16, 1987
Issued Date -
N/A
app pub date -
Jan 10, 1985
filing date -
Oct 4, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stationary steel rule cutting die for cutting a fixed pattern in each of a plurality of stacked compressible material layers according to the shape of the rule die, including a vacuum system for vertically reducing the stack height of the compressible material layers without lateral distortion prior to cutting and retaining the compress condition during the progressive or incremental cutting operations. '
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