Patent ID: 9227370
Filing Date: 2016-01-05
CPC Classification: A44B,B29D,Y10T

Claim Text:
1. A method of manufacturing a continuous fastener element, comprising: an extruding process of extruding a thermoplastic synthetic resinous material to mold linear monofilament; a roughening process of roughening an outer peripheral surface of the monofilament; and an element molding process of molding the roughened monofilament in a coil shape or a zigzag shape and pressing a part of the monofilament at a constant interval to mold a coupling head or of pressing a part of the roughened monofilament at a constant interval to mold a coupling head and molding the pressed monofilament in a coil shape or a zigzag shape, wherein a part of the roughened monofilament is heated and pressed when the coupling head is molded in the element molding process, so that the coupling head is molded and an average roughness of an outer peripheral surface of the coupling head is made smaller than an average roughness of outer peripheral surfaces of upper and lower leg portions which extend from the coupling head in a width direction.