The zipper has kept people together forever. The zipper is currently apart of everyday fashion so it is easily taken for granted. Elias Howe invented the sewing machine in 1815 "for an "automatic continuous clothing closure" Marry Bellis infers. Colonel Lewis Walker and Whitcomb both had parallel ideas to make a closure of a garment easier so together the created a universal,fastener company to help manufacture closures (clasp lockers). Gideon Sunback's idea to create a system to increase the amount of fastener of a garment by 4 to 11 per inch. that has two facing rows of teeth that are then pulled together and closed by a slider. Boots and tobacco bags were the first to have this new invention of the time. Up until 1930, children's clothes were made with zippers this then halped children learn self-reliance. In 1937 French Designers raved over the new invention of the zipper they called it "Battle of The Fly" today the is everywhere with thousand of miles of it being produced daily to help meet the needs of the people.
(http://inventors.about.com/od/famousinventions/fl/The-History-of-the-Zipper.htm)