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永不卡住的拉链 / never-stuck zipper

永不卡住的拉链

Zipper is widely used around the world,but conventional zipper easily gets stuck with little strip of fabric alongside it. Extend two sides of zipper to form a plane , it can largely Make the fabric more smooth and decompose the tensile force of the fabric surface, so, it can effectively stop zipper from getting stuck with little strip fabric which runs alongside it.

University

Jiangsu Normal University

Jiangsu Normal University
Xuzhou, China

University

Jiangsu Normal University

Jiangsu Normal University
Xuzhou, China