In 1893, an American engineer named Judson developed a "sliding tightening device" and obtained a patent. This was the original prototype of the zipper.
Supplement: In 1913, the Swede Sandback improved this crude locking device and turned it into a reliable commodity.
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 among the people was relatively late. It was not until 1930 that it was accepted by women as a replacement for buttons on clothing.
The zipper received its current name in 1926. According to reports, a novelist named Franco said at a business luncheon to promote a zipper sample: "Pull it, and it opens! Pull it again, and it closes!" Very concisely. Describes the characteristics of zippers. This is where the word zipper comes from.