The zipper is composed of chain teeth, sliders, limit codes (front code and back code) or locking parts. Among them, the chain teeth are the key part, which directly determines the side tension strength of the zipper. Generally, a zipper has two chain belts, and each chain belt has a row of chain teeth, and the two rows of chain teeth are arranged in a staggered manner. The slider clamps the chain teeth on both sides and slides with the help of the pull tab to make the chain teeth on both sides engage with each other or take off the zipper.

The details of the zipper assembly are:

1. Tape is a flexible tape woven from cotton yarn, chemical fiber or mixed chemical fiber, which is used to carry fastener elements and other zipper components;

2. The edge of the ribbed bead tape is used to carry the reinforced part of the metal or plastic fastener element;

3. Rope refers to a rope made up of multiple strands of fibers in the middle of the ribs;

4. The teeth scoops of the zipper automatic threading machine refer to the teeth of a certain shape after metal, plastic and other materials are processed;

5. Filler cord is a zipper automatic threading machine processed by multi-strand fiber thread, which is used for ropes produced by nylon zipper chain;

6. Tooth chain refers to the teeth arranged in a row;

7. Tooth chain belt one side zipper chain, the tooth chain is fixed on the cloth belt, it is called the tooth chain belt;

8. Automatic zipper threading machine. The zipper chain is formed by the meshing of the two tooth chains;

9. The top stop is fixed on the tooth chain belt to limit the sliding of the slider when the tooth chain is closed. The stopper of the toothing chain belt;

10. The bottom stop is fixed on the tooth chain belt to limit the pull head from sliding out of the tooth chain belt when the tooth chain is pulled, and the stopper that prevents the tooth chain belts on both sides from being completely separated;

11. Front and rear heading Back & zipper automatic heading machine forth head tape The cloth tape without the chain teeth on the zipper is called the head, the top end is the front lead, and the bottom end is the back lead;

1 Zipper automatic threading machine 2. The pin separable pin separable is fixed at the end of the open-end zipper, which is used to completely separate the tube-shaped parts of the chain;

13. The socket box retainer is fixed at the end of the open-end zipper and is used to completely separate the box pieces of the chain belt;

14. Double-open-end zipper automatic threading machine two pin is a kind of tube-shaped pin on double-open-end zipper that cooperates with the insertion tube;

15. Strengthened tape is a composite sheet used to enhance the bonding strength of the insertion tube, socket and cloth tape, and increase the service life of the zipper.

16. The moving parts of the slider that make the chain teeth engage and pull apart;

17. The puller is a component of the slider. It can be designed to be connected to the slider body with various geometric shapes or to connect with the slider body through an intermediate piece to realize the opening and closing of the zipper;