Patent ID: 6851161

Claim:
A fastener product comprising a first fastener strip having a strip-form base with a first set of fastener elements carried on one side thereof in two spaced-apart areas; and extending along the base between the two areas of the first set of fastener elements, a longitudinal structure integrally molded with and protruding from said side of the base; and a second fastener strip having a strip-form base formed of a plastic resin with a second set of fastener elements carried on one side thereof in two spaced-apart areas and adapted to engage the first set of fastener elements to form a releasable fastening; and extending along the base between the two areas of the second set of fastener elements, a surface formed of the resin and arranged to be engaged by the longitudinal structure of the first fastener strip to form a liquid-tight seal between the fastener strips when the first and second fastener strips are engaged; wherein one of the first and second sets of fastener elements comprise discrete stems arranged in columns and rows, each stem integrally molded with their respective strip-form bases; wherein the longitudinal structure and engaged surface have complementary profiles that are adapted to interlock when the first and second fastener strips are pressed together.