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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]
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 length of a bolt varied according to the type of material measured. [ 21 ] [ 8 ] The length is usually either 40 or 100 yards (37 or 91 m), but varies depending on the fabric being referred to; for example, a bolt of canvas is traditionally 39 yards (36 m).
The related words "fabric" [11] and "cloth" [20] and "material" are often used in textile assembly trades (such as tailoring and dressmaking) as synonyms for textile. However, there are subtle differences in these terms in specialized usage. Material is an extremely broad term basically meaning consisting of matter, and
The surface and the yarn in these fabrics are also called "pile". In particular "pile length" or "pile depth" refer to the length of the yarn strands (half-length of the loops). Pile length affects and is affected by knot density : "The greater the knot density, the thinner the weft and warp yarns and the more weakly are they twisted; the ...
Hook and loop in the early 1960s looked like it had been made from left-over bits of cheap fabric, an unappealing aspect for clothiers. [10] The first notable use for Velcro® brand hook and loop came in the aerospace industry, where it helped astronauts manoeuvre in and out of bulky space suits. Eventually, skiers noted the similar advantages ...
Fabrics in this list include fabrics that are woven, braided or knitted from textile fibres. A. Aertex; Alençon lace; Antique satin; Argentan lace ...
The polymer is formed by free-radical polymerization in aqueous suspension. The fiber is produced by dissolving the polymer in a solvent such as N,N-dimethylformamide (DMF) or aqueous sodium thiocyanate, metering it through a multi-hole spinneret and coagulating the resultant filaments in an aqueous solution of the same solvent (wet spinning) or evaporating the solvent in a stream of heated ...
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