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1. (WO2018040292) ROUND ZIPPER TOOTH

Pub. No.:    WO/2018/040292    International Application No.:    PCT/CN2016/105787
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Tue Nov 15 00:59:59 CET 2016
IPC: A44B 19/24
Applicants: IDEAL FASTENER (GUANG DONG) INDUSTRIES LTD.
理想(广东)拉链实业有限公司
Inventors: HUNG, Franklin Chi Yen
熊梓仁
QIU, Gollen
邱国亮
QIU, William
丘巍
ZHANG, Wenqi
张文奇
LV, Ali
吕宗坚
ZENG, Andy
曾健安
WU, Fukang
吴富康
Title: ROUND ZIPPER TOOTH
Abstract:
A round zipper tooth comprising a zipper tooth body (1). The zipper tooth body (1) is a semicircular columnar body. One extremity of two meshing surfaces (11 and 12) of the zipper tooth body (1) is recessed towards the zipper tooth body (1) to form a meshing part (13) and meshing recessed parts (11b and 12b). Positioning parts (11a and 12a) are provided correspondingly on the meshing recessed parts (11b and 12b). A positioning groove (13a) is provided on the meshing part (13). The structural design of the round zipper tooth is unique, when zipper teeth are meshed with each other, the zipper teeth meshed with each other are round in shape; compared with the prior art, the round zipper teeth are locked by double meshing when meshed with each other, the meshing part (13) of the zipper tooth is meshed with the meshing recessed parts (11b and 12b) of another zipper tooth, the positioning parts (11a and 12a) of the zipper tooth is engagingly locked with the positioning groove (13a) of the other zipper tooth, the zipper teeth are locked by meshing in two dimensional directions, the interacting zipper teeth can be meshed at an increased firmness, even when torn by a great external force in the left and right directions, the zipper teeth meshed with each other are not prone to disengagement.