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The design of hook-and-loop imitated this natural mechanism for seed dispersion. Close-up of a single bract spine of Arctium minus. The original hook-and-loop fastener was conceived in 1941 by Swiss engineer George de Mestral, [1] [2] [3] which he named velcro.
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]
De Mestral gave the name Velcro, a portmanteau of the French words velours ("velvet"), and crochet ("hook"), to his invention as well as his company, which continues to manufacture and market the fastening system. [9] [7] However, hook and loop's integration into the textile industry took time, partly because of its appearance.
A button-front shirt without a separate pieced placket is called a "French placket." [5] The fabric is simply folded over, and the buttonhole stitching secures the two layers (or three layers if there is an interlining).
Bar tacks, such as these machine-sewn ones, may be used to reinforce the bottom of a fly opening.. In sewing, bar tack, also written bar-tack or bartack, refers to a series of stitches used to reinforce areas of a garment that may be subject to stress or additional wear. [1]
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Needle moves slightly upward to form a small loop in the upper thread at the needle's eye. 4 Shuttle is midway, and its point ('hook') has passed through the loop in the upper thread. Upper thread is now looped around the shuttle's waist. Needle is up. 5 Shuttle is forward again, having completely passed through the loop in the upper thread.