Apparatus for producing hooks on loop-and-hook fasteners
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United States of America Patent
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-
Oct 22, 1985
Grant Date -
N/A
app pub date -
Jul 12, 1983
filing date -
Jul 13, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A loop guide has a plurality of transversely spaced loop guide comb teeth for guiding loops of thermoplastic resin therealong into contact with cutter blades of an ultrasonically vibratable cutter to cut off only one of two legs of each loop. The other legs that remain unsevered serve as hooks on a hook-and-loop fastener.
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