Patent ID: 7350276

Claim:
An integrally molded surface fastener of synthetic resin in which a number of fine engaging elements, which engage/disengage a mating pile piece, are molded integrally on a surface of a flat base member, wherein each engaging element comprises a pillar portion having a predetermined height and an engaging head composed of first and second engaging portions, which extend from a top end of the pillar portion along the surface of the base member in a first direction (x) and in a second direction (y) different from the first direction, the first and second engaging portions have different shapes, the pillar portion includes a first pillar portion and a second pillar portion which have a rectangular section and are formed integrally such that they intersect each other, the first engaging portion has a flat wing-like thin plate shape extending in a long side direction of the first pillar portion from a top end of the first pillar portion, the second engaging portion has a hook shape extending in a long side direction of the second pillar portion from a top end of the second pillar portion. there is a difference in distance between a distance from the surface of the base member to the front end of the first engaging portion and a distance to the front end of the second engaging portion, and the second engaging portion is formed in a lower height than the first engaging portion.