Sheet material and punching tape containing same
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United States of America Patent
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Jul 28, 2020
Grant Date -
Dec 27, 2018
app pub date -
Dec 14, 2016
filing date -
Dec 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A sheet material (1) consisting of an mixture consisting essentially of: a) 10-50 percent by weight of random-oriented fibres, and; b) 90-50 percent by weight of a thermoplastic or thermoplastic elastomer; the weight percentages being based on the overall homogeneous mixture; and the sheet material having at room temperature a Shore D hardness of 40 to 85, preferably of 40 to 60, more preferably of 45 to 55. The sheet material (1) is used as a support in punching applications or as the top layer in punching belts (2).
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