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US 5,625,930 AGranted
Molded surface fastener
AssigneeYKK Corporation
InventorsToshiaki Takizawa, Ryuichi Murasaki
Life of this patent
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AssigneeYKK Corporation
InventorsToshiaki Takizawa, Ryuichi Murasaki
Estimating the term…
A molded surface fastener comprising a substrate sheet, and a multiplicity of engaging elements molded in rows on one surface of said substrate sheet. Each of the engaging elements has a pair of stems standing from the one surface of the substrate sheet, and a pair of hooks extending in opposite directions from distal ends of the stems and formed in a pair of parallel planes perpendicular to the general plane of the substrate sheet on opposite sides of the central line of the pair of stems. When companion loops are disengaged from the engaging element, the individual hooks are angularly moved about the central line of the pair of stems in a horizontal plane independently of each other and, at the same time, are expanded upwardly. As a result, the loops and the engaging element can be disengaged from one another smoothly without any damage.
A molded surface fastener comprising:
A molded surface fastener comprising:
A molded surface fastener comprising:
A molded surface fastener comprising:
Dependencies are inferred from the claim text.