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Zipper

Mechanical Engineering

A zipper, also called a zip fastener, is a device for binding together two edges of fabric or other flexible material using interlocking teeth drawn together by a sliding tab. The modern device grew out of a fastener patented in 1892 by the American inventor Whitcomb L. Judson, and it later took its familiar name from a 1923 line of rubber boots that could be closed with, in the manufacturer's words, a single zip of the hand, after which the hookless fastener itself became known as the zipper.

Facts
Patent or First-Use Date
1893-08-29 1
Year
1893 1
An earlier, non-functional slide-fastener patent was issued to Elias Howe in 1851; 1893 is Whitcomb Judson's clasp-locker patent, the first design actually manufactured and sold.
Significance
Gideon Sundback redesigned Judson's clasp-locker into a more durable slide fastener, which went on sale in 1913 and became the modern zipper. 1
Connections

In Field

Source Zipper (Wikipedia)
Sources
1. Zipper (Wikipedia)
Wikipedia
  • History section, Judson clasp-locker sentence
    Judson secured a second patent through his 'clasp-locker' design on August 29th of 1893.
  • History section, Sundback redesign sentence
    Sundbäck redesigned the Judson fastener to create a more durable design, and the zipper first went on sale in 1913.
  • In Field: Mechanical Engineering, Categories
    Fasteners
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