INJECTION MOLDED MUSHROOM TYPE HOOK STRUCTURE AND HOOK STRAP INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Jun 8, 2017
app pub date -
Sep 30, 2016
filing date -
Dec 3, 2015
priority date (Note) -
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Abstract
One aspect of the present invention provides an injection molded mushroom type hook structure. The injection molded mushroom type hook structure of the present invention includes a stem portion and a substantially planar head portion formed at a top end of the stem portion, wherein the head portion includes two protrusion portions extending outwardly at two opposite sides of the head portion in a first direction, at least one extended portions extending outwardly from one side of the head portion in a second direction substantially perpendicular to the protrusions, and four connection portions that are formed at locations where the lateral sides of the two protrusion portions meet adjacent extended portion and the head portion. These structural features allow the injection molded mushroom type hook structure of the present invention to have a substantially same hook-to-loop engagement rate in each direction and an improved hook-to-loop engagement/peeling-off strength. Another aspect of the present invention provides an injection molded hook strap including the hook structure.
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