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Hook-and-loop fastener, invented by de Mestral. Swiss electrical engineer George de Mestral who studied at EPFL invented his first touch fastener when, in 1941, he went for a walk in the Alps, and wondered why burdock seeds clung to his woolen socks and coat, and also his dog Milka. [2] [6] He discovered it could be turned into something useful ...
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 hook and eye closure has a long history and is still used today, primarily on bras. This form of fastening first appears under the name of "crochet and loop" in 14th-century England. [1] The first reference to the modern term appears in Aubrey's Brief Lives in 1697, which describes a doublet and breeches being attached with "hook and eies". [2]
Typical fasteners (US quarter shown for scale) A fastener (US English) or fastening (UK English) [1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. [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 ...
Splices can be used to form a stopper at the end of a line, to form a loop or an eye in a rope, or for joining two ropes together. [1] Splices are preferred to knotted rope, since while a knot typically reduces the strength by 20–40%, [ 2 ] a splice is capable of attaining a rope's full strength. [ 3 ]
The frog is the end-product of thousands years of traditional Chinese knotting craft, which is itself rooted in the Lào zi culture. [3] [11] As a form of fastener, the frog first appeared on traditional Chinese clothing, [1] [12] and can be traced back to the Song dynasty when fabric was braided into braid buckles to create the loop and the button knot.
A lathe of 1871, equipped with leadscrew and change gears for single-point screw-cutting A Brown & Sharpe single-spindle screw machine. Fasteners had become widespread involving concepts such as dowels and pins, wedging, mortises and tenons, dovetails, nailing (with or without clenching the nail ends), forge welding, and many kinds of binding with cord made of leather or fiber, using many ...