Zipper is to rely on the continuous arrangement of the chain teeth, so that the goods are combined or separated connectors, is a large number of clothing, bags, tents and so on.
Definition of zipper: a fastener consisting of a row of metal teeth or plastic teeth on each of the two strips, an edge (such as a garment or bag mouth) used to connect an opening, a slider that pulls two rows of teeth into the interlocking position to close the opening, and links to something (as an object being lifted or dropped) to tighten, stabilize, or direct the chain of the thing.
The Zipper is composed of chain teeth, pull head, up and down (front code and back code) or locking parts. Which the chain teeth are off
Key part, it directly determines the zipper's lateral tensile strength. The general zipper has two chains, each with a chain on each strand of teeth, the two rows of chain teeth staggered. Pull the head to hold both sides of the chain teeth, with the help of pull loop glide, you can make the two sides of the chain teeth meshing or off.
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