The tooth chain of metal zipper chain belt is made of metal forming wire, which is independently arranged on the belt rib of cloth belt one by one after one-time stamping.
The tooth chain of the injection molded zipper (resin zipper) chain belt adopts the injection mold to inject the plastic (resin) at one time through the injection molding process and form it on the belt rib at the edge of the cloth belt. The chain teeth are also arranged independently.
The tooth chain of nylon zipper chain belt is formed into continuous spiral or U shape with polyester monofilament, and then stitched on the edge of the cloth belt, or woven with polyester yarn at one time. Its color is generally formed by one-time dyeing after being excellent.
Similarly, the pull head structure of the three types of zippers is also quite different. Generally, it can be judged from the differences of appearance, cloth seam, height and width of the pull head base and cavity.
