Some knowledge about zipper

Zipper is very common in the application of luggage. Zipper is a commonly used ribbon opening and closing part of luggage. It is widely used and convenient for fastening bags. It has different specifications, including closed tail type, open tail type, concealed type, etc. According to the material and shape of zipper teeth, it can be divided into metal zipper, plastic zipper and nylon zipper. Zippers are generally expressed by number. The larger the number, the thicker the teeth and the greater the fastening force. Let's talk about it briefly.



Zippers of different models and materials have different properties. When customizing bags, we should pay attention to several points of zippers. It should be selected according to the purpose of the case and bag, the use and maintenance mode, the thickness, performance and color of the fabric, and the use part of the zipper. For example, small zippers should be used for light and thin bags. The shrinkage, softness and color of zipper base cloth should be considered to coordinate with the fabric. In addition, because the zipper has different adaptability in different environments, such as daily backpack and mountaineering bag, the external zipper strength of mountaineering bag is higher than that of backpack.



There are many kinds of zippers, which can be divided into two categories: closed tail and open tail. The closed tail zipper is divided into single head and double head. When the closed tail zipper is opened, the tooth chains on both sides cannot be completely separated. Single head closed tail zipper refers to a closed tail zipper with a pull head. Double ended closed tail zipper refers to a closed tail zipper with two pullers, which can be opened and closed back or opposite.



The zipper is configured on the luggage, which should pay attention to coordination and aesthetic feeling. Nowadays, the use of luggage zippers is no longer a single zipper or a double zipper.