INTERLOCK TOOL, BAG MAKING USE THEREOF AND PROCESS FOR PRODUCING THEM

摘要

Interlock tool (20) comprising male member (21) having male interlock part (23) and female member (26) having female interlock part (28) adapted to fit the male interlock part (23), the male member (21) and the female member (26) being able to separate from each other and re-fit together. The male member (21) and the female member (26) are made of different resins, and at least the male interlock part (23) and the female interlock part (28) are in pseudo-bonding or contact with each other substantially without any gap therebetween.