Buckles – buttons – clasps – etc. – Including readily dissociable fastener having numerous,... – Having filaments of varied shape or size on same mounting...
Patent
1998-08-05
1999-11-02
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Including readily dissociable fastener having numerous,...
Having filaments of varied shape or size on same mounting...
24442, 24445, 24452, A44B 1800
Patent
active
059746351
ABSTRACT:
The invention relates to a female engaging member for a surface fastener carrying engaging elements which has a novel profile and a method of manufacturing a surface fastener which is adapted to continuous manufacturing operation by means of a relatively simple process without requiring serious maintenance efforts. The method will allow to select appropriate engaging force and anti-separation force for the surface fastener. The engaging member for a surface fastener comprises a flat plate-like substrate and a large number of pile-shaped engaging elements arranged on the surface thereof. The pile-shaped engaging elements are made of filaments wound around core threads and thus continuous manufacturing by simple operation is realized. A winding of the filament wound around the core thread has a length greater than that of the outer periphery of the core thread. When the pile-shaped engaging elements are firmly attached to the surface of the flat plate-like substrate, the largest gap D between the inner surface of each filament and the peripheral surface of the corresponding core thread is defined by 0.1 mm.ltoreq.D.ltoreq.5 mm. With the above arrangement, pile-shaped engaging elements with different sizes can be manufactured easily to contribute to wide variety of applications.
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Sakran Victor N.
YKK Corporation
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