Patent ID: 6163939
Filing Date: 2000-12-26
Classification: A44B,B29C,B29L,C23F,Y10T

Abstract:
In a molded hook for a touch fastener, the molded hook supported by a base, the hook having a stem portion extending from the base, and at least one crook portion integral with and curving laterally from the top of the stem portion, the profile of the crook portion in the plane of the stem portion of the hook tapering along its neutral axis toward a distal tip, the distal tip being spaced laterally from the stem portion to define a loop capture area having an apex, the hook characterized in that:(a) the distal tip, in said profile of the crook portion, is substantially pointed, defining an included angle of less than about 30 degrees,(b) the neutral axis of the crook portion is directed substantially directly downward toward the base at the distal tip,(c) the curvature of an inner surface of the crook portion decreases in radius from the distal tip to the apex, and(d) the apex of the hook capture portion is located laterally closer to the stem portion than to the distal tip.