Composition of zipper

July 05, 2018 BY TRIMS CO.,LIMITED Zippers Knowledge

Now with the continuous development of science and technology, the zipper industry is constantly developing new products. In the market, we can find zippers for various purposes such as Invisible Reversible Zipper, Fashion Jeans Zipper, Diamond Rhinestone Zipper, Water Repellent Zipper. There may be differences in their specifications, materials, and scope of application, but their basic composition and working principle are similar.

The zipper is composed of a chain element, a slider, a stop code (front and back) or a locking piece. Among them, the fastener element directly determines the side pull strength of the zipper. Generally, a zipper has two pieces of chain straps, each of which has one row of fastener elements, and the two rows of fastener elements are arranged alternately with each other. The puller clamps the elements on both sides and slides with the pull tab to engage or disengage the elements on both sides.

Composition requirements of zipper

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

2.The edge of the ribbed cloth is used to carry the reinforcing part of the metal or plastic element.

3.Reinforced rope refers to a rope made of multiple fibers in the middle of the rib.

4.The sprocket refers to the teeth that have a certain shape after processing.

5. The core wire is made of multiple fiber threads, and is used for the production of Nylon Zipper bracelets.

6.Bracelet refers to teeth arranged continuously.

7.Bracelet of the chain

8.The chain belt is formed by meshing the two side tooth chain belts.

9. The upper stop is fixed on the chain belt, and the stopper is limited to slide the slider out of the chain belt when the chain is pulled together.

10. The lower stop is fixed on the toothed belt, and the stopper is limited to the slider sliding out of the toothed belt when the toothed chain is pulled out, and the two sides of the toothed belt cannot be completely separated.

11. The front and back lead zipper without the element of the cloth is called the lead, the top end is the front lead, and the bottom end is the rear lead.

12. The cannula (also known as the latch) is fixed at the end of the open-end zipper and is used to completely separate the tubular pieces of the chain;

13. The socket (should be a pin box) is fixed at the end of the open zipper and is used to completely separate the square piece of the chain.

14. Double-opening tail stopper A tube-shaped stopper for double-opening zipper that cooperates with intubation.

15. Reinforced tape is a composite sheet used to enhance the strength of the intubation, socket and cloth, and to increase the service life of the zipper.

16. A moving part that pulls and engages the fastener element.

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