Score line folding tester
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United States of America Patent
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-
Nov 16, 1982
Grant Date -
N/A
app pub date -
Apr 27, 1981
filing date -
Apr 27, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for measuring the force required to fold a paperboard about a score line comprises a force applying arm and a device for measuring a torque related to the force necessary to cause folding of the paperboard at the score line.
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Cited Art Landscape
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