Hook structure for molded surface fastener
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United States of America Patent
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Nov 24, 1998
Grant Date -
N/A
app pub date -
Feb 21, 1996
filing date -
Feb 28, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surface fastener molded of synthetic resin, comprises a substrate sheet, and a multiplicity of hook elements molded on at least one surface of the substrate sheet, each hook element having a hook body having a stem and a curved portion. Each of the hook elements has first and second reinforcing ribs projecting from opposite side surfaces of the hook body. The first reinforcing rib is greater in height than the second reinforcing rib. In the presence of the first and second reinforcing ribs different in height, compression stresses developed in the hook body are dispersed at two or more points when a companion engaging element is removed off the hook element.
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