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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]
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 ...
types of hand sewing stitches. This is a list of stitches used in hand and machine sewing.The most common standard for stitches in the apparel industry is ASTM International ASTM D6193-16(2020) [1] The standard also covers various types of seams.
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 ...
To make one stitch, the machine lowers the threaded needle through the cloth into the bobbin area, where a rotating hook (or other hooking mechanism) catches the upper thread at the point just after it goes through the needle. The hook mechanism carries the upper thread entirely around the bobbin case so that it has made one wrap of the bobbin ...
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A stitch is a single turn or loop of the thread or yarn in sewing, knitting, and embroidery. All stitches made with a sewing needle with an "eye" or hole are variations on seven basic stitches: running stitch, backstitch, overcast stitch, cross stitch, buttonhole or blanket stitch, chain stitch, and knot stitch. [30]
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related to: velcro hook and loop sheets for quilting free printable chart for kids