How it happened
- 1851The inventor of the sewing machine patents a fastener with a continuous lock. It never reaches production: he is busy with something else.
- 1893A new version is shown at a world's fair. It jams, splits open and barely sells - only about two dozen are sold over the years.
- 1913An engineer redesigns it: identical teeth, each with a cup and a projection, interlock securely. This is the modern zipper.
- 1930sThe zipper appears on men's trousers, and fashion commentators approve it. Only then does mass use begin.
The second point explains the whole delay. Early fasteners split open at the worst possible moment, and one such incident was enough to make someone never use them again - a product's reputation depends on reliability, not on the idea behind it.
The third point was not a reinvention, but a refinement. The principle stayed the same; the shape of the tooth and the precision of manufacturing changed - and the thing went from a curiosity to a detail people could trust.
Who adopted it first
The first users were not tailors, but the military and shoe manufacturers. They valued speed of fastening and were not afraid of novelty, while a large order gave manufacturers enough volume to make zippers cheap enough to interest clothing makers.
The word itself came from a shoe company that gave this name to its galoshes in the early 1920s. The name described the sound, and it was this name, not the technical term, that spread into languages around the world.
Trousers were the slowest part of clothing to adopt the zipper. Fashion publications helped by declaring it a solution to the problem of forgotten buttons - advertising did more to spread it than any technical improvements.
This story is typical of inventions. Between a working prototype and an everyday product lie not flashes of inspiration, but reliability, price and someone's willingness to risk placing the first large order.
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Sources
- Early patents for a fastener with a continuous lock date to the mid-19th century
- the modern design with identical teeth was created in 1913, mass use began with footwear and military equipment, and men's clothing adopted it in the 1930s