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Hook-and-loop fasteners, commonly known as Velcro (a genericized trademark), hook-and-pile fasteners or touch fasteners are versatile fastening devices that allow two surfaces to be repeatedly attached and detached with ease. Invented in the mid-20th century, they are widely used in clothing, accessories, and various industrial and consumer ...
The two halves of a riveted leather snap fastener. The top half has a groove which "snaps" in place when "pressed" into the bottom half. A snap fastener, also called snap button, press button, [1] press stud, [1] press fastener, dome fastener, popper, snap and tich (or tich button), is a pair of interlocking discs, made out of a metal or plastic, commonly used in place of traditional buttons ...
It was not until the first part of the 19th century that the industry was furthered in the United States. In 1830, one of the innovators in mass-producing hooks and eyes was Henry North of New Britain, Connecticut; he commissioned a man in Hartford named Levi Lincoln to make a machine that automated the creation of these fasteners.
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Velcro IP Holdings LLC, [2] [4] [5] doing business as Velcro Companies and commonly referred to as Velcro (pronounced / ˈ v ɛ l k r oʊ /), [1] is a British privately held company, founded by Swiss electrical engineer George de Mestral in the 1950s. It is the original manufacturer of hook-and-loop fasteners, which de Mestral invented. [2]
Velcro, the invention for which de Mestral is famous De Mestral first conceptualised hook and loop after returning from a hunting trip with his dog in the Alps in 1941. [ 5 ] [ 6 ] [ 7 ] After removing several of the burdock burrs (seeds) that kept sticking to his clothes and his dog's fur, he became curious as to how it worked.
A rail repair dutchman is typically a 4–6-inch (100–150 mm) long piece of rail that is cut in advance for the purpose and carried by a section crew. If the gang finds a rail with a chipped or broken end, they remove the connector plates ( fishplates ), cut out the damaged section, replace it with the dutchman, and bolt the connectors back ...
Rafael Nadal wearing yellow wrist bands during a tennis match. A white terrycloth wristband on an arm, next to a blue silicone wristband. Wristbands are encircling strips worn on the wrist or lower forearm.