At that time, in some places in central Europe, people tried to replace buttons and bows with belts, hooks and loops, so they began to experiment with developing zippers. Zippers were first used in military uniforms. During World War I, the U.S. Army ordered a large number of zippers for the first time to make clothing for soldiers. However, the promotion of zippers in the private sector was relatively late. It was not until 1930 that it was accepted by women as a replacement for buttons on clothing.

With the development of human society, economy and science and technology, zippers have developed from initial metal materials to non-metallic materials, single varieties and single functions to multi-variety and multi-specification comprehensive functions, from simple structures to today's exquisite and beautiful , colorful and has gone through a long process of evolution.

Extended information

How to maintain zippers:

1. During daily use, pay attention to whether there are "broken belly", "detached teeth", Defects such as skew and other problems should be repaired in time and no more deadlifting should be done.

2. Aluminum alloy zippers are more susceptible to corrosion, so they should be kept dry and away from moisture to prevent the aluminum teeth from forming white oxides, which will cause the zippers to rust over time and affect their use. Also be careful not to come into contact with alkaline and acidic substances.

3. When pulling the zipper, you should first align the teeth on both sides, hold the head of the zipper and gently pull it forward along the track. Do not pull hard to avoid "skewed teeth" and "broken belly". ” and “Toothless.”

4. Do not overfill various bags, pockets or wallets with zippers, otherwise the zippers may easily become "broken", "out of teeth", skewed and the fabric is soft.

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