Patent ID: 6618911
Filing Date: 2003-09-16
Classification: A44B,Y10T

Abstract:
A bottom open-type invisible zipper comprising:a first zipper tape and a second zipper tape, said first zipper tape and said second zipper tape comprising a respective series of teeth longitudinally disposed at an inner side thereof and adapted for interlocking therebetween; a first plug member and a second plug member fixedly fastened respectively to said first zipper tape and said second zipper tape and each of the plug members connected to one of the ends of the series of teeth of the respective zipper tapes; a movable bottom-end piece slidably coupled to said first zipper tape, said movable bottom-end piece comprising a one-piece construction having a receiving chamber adapted for receiving said first plug member and said second plug member, said receiving chamber having a bottom open side for receiving said second plug member, said receiving chamber comprising a stop wall adapted to prevent said second plug member from sliding out of said receiving chamber; a slide slidably attached to the teeth of the first zipper tape; said first plug member comprises at least one protruding end block; said movable bottom-end piece comprises at least one locating groove corresponding to the at least one protruding end block of said first plug member; and said at least one protruding end block and said at least one locating groove upon engagement therebetween forms an escape-preventive structure which enables said movable bottom-end piece to be sleeved at the receiving chamber thereof onto said second zipper tape, and the at least one protruding end block of said first plug member into engagement with the at least one locating groove of said movable bottom-end piece to prevent said movable bottom-end piece from sliding out of the first plug member.