Method of manufacturing a hook member of a hook-and-loop fastener and a hook member manufactured by the method
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United States of America Patent
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Mar 22, 2016
Grant Date -
Mar 20, 2014
app pub date -
Feb 20, 2013
filing date -
Sep 14, 2012
priority date (Note) -
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Abstract
The present invention provides a novel method for manufacturing a hook member of a hook-and-loop fastener. The method comprises the steps of: providing a plurality of plastic monofilaments (such as polypropylene (PP) monofilaments); forming a plurality of loops on each of the plurality of plastic monofilaments such that each of the plurality of plastic monofilaments has a plurality of loop portions and flat portions between adjacent loop portions; covering the flat portions of the plurality of plastic monofilaments with a web of substrate; fusing the flat portions of the plurality of plastic monofilaments to the substrate so as to fix the plurality of loop portions of the plastic monofilaments onto the substrate; and converting the plurality of loop portions into a plurality of hook elements to thereby producing the hook member that comprises a plurality of hook elements.
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