Tue, April 24, 2012
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Zipper inventor featured in Google doodle

2012-04-24 06:39:24 GMT2012-04-24 14:39:24(Beijing Time)  SINA.com

Google's latest doodle, a giant zipper running down the centre of the search engine's homepage, marks the birthday of Gideon Sundback, the Swedish-American electrical engineer most commonly associated with the development of the fastening device that revolutionised the clothing industry.

Before Sundback's intervention, the idea for a fastener based on interlocking teeth had circulated among engineers for more than 20 years but no one had perfected it.

His innovation was to place a dimple on the underside of each tooth and a nib on the top that would sit securely within the dimple of the tooth above it.

As a result, the join between two rows of teeth was then strong because no single tooth has enough room to move up or down and come apart. He also created the manufacturing machine for the new zipper.

Born on April 24, 1880, in Småland, Sweden, he moved to Germany following his studies and emigrated in 1905 to the US, where he started to work at Westinghouse Electric and Manufacturing Company in Pittsburgh, Pennsylvania.

A year later, he was hired to work for the Universal Fastener Company in Hoboken, New Jersey, and became its head designer in 1909.

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