Molecularly orientating plastics material
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United States of America Patent
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-
May 20, 1986
Grant Date -
N/A
app pub date -
Oct 3, 1983
filing date -
Oct 13, 1982
priority date (Note) -
Expired
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Abstract
An integral plastics material starting sheet has a square or rectangular pattern of holes defining strand-forming zones. The strand-forming zones are formed with depressions with the sheet at a low or ambient temperature. The sheet is then stretched to form the strand-forming into orientated strands.
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