Patent ID: 9138032
Filing Date: 2015-09-22
Classification: A44B,B29C,B29L

Abstract:
1. A touch fastener strip comprising: a base having a pair of opposing longitudinal edges and a pair of opposing lateral edges; a pair of longitudinal barrier walls each extending upward from a surface of the base and inboard a corresponding one of the longitudinal edges of the base; a plurality of lateral barrier walls each extending upward from the surface of the base and extending between facing surfaces of the barrier walls, thereby defining one or more fastening cells; one or more touch fastener elements extending upward from the surface of the base in each of the one or more fastening cells; and a pair of wave walls each extending upward from the surface of the base and outboard a corresponding one of the barrier walls thereby defining a foam relief space between each wave wall and corresponding barrier wall, wherein each wave wall has a wave shape configured with rising and falling edges, at least one of the rising and falling edges having a slope as measured on a straight line connecting 20% and 80% points of the edge, the slope being in the range of 3° to 65°.