Molded surface fastener
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United States of America Patent
Stats
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Feb 13, 2018
Grant Date -
Jan 12, 2017
app pub date -
Mar 13, 2015
filing date -
Mar 13, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This surface fastener has a substrate portion and a plurality of engaging elements, each of the engaging elements being provided with a stem portion standing from the substrate portion and a hook portion extending in the fastener width direction from the stem portion. The engaging element has a narrow width tip end portion provided with at least a hook portion and an enlarged width portion provided with only the stem portion, separated by a reference surface along the fastener length and height directions as a boundary. This makes an undercut hardly formable in the molding of the engaging element, and deficiencies such as deformation and the like of the engaging element can be prevented. Further, the strength of the stem portion can be increased, and a damage which a loop-shaped engaging element and the engaging element receive when the loop-shaped engaging element is attached or pulled out can be reduced.
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