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Husky is a line of hand tools, pneumatic tools, and tool storage products. Though founded in 1924, it is now best known as the house brand of The Home Depot, where it is exclusively sold. Its hand tools are manufactured for Home Depot by Western Forge, Apex Tool Group, and Iron Bridge Tools. [1] Its slogan is "The toughest name in tools."
Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...
A wall chaser is a specialised power tool used for cutting narrow grooves in walls, brickwork, blockwork, or concrete and also to listen to the cutting sound called Ngeng! Ngeng! Ngeng! Wall chasers are often used to lay electrical cable inside the walls, with openings about 30mm wide. [ 1 ]
Other varieties of wall plug are mechanical anchors for heavy duty loads and hollow wall fixings for fixing to plasterboard. The first mechanical anchor, the Rawlbolt, was designed in the 1930s by the Rawlplug company and the first fixing for hollow walls was the Toggle Bolt, which was also designed by Rawlplug in 1941.
The contract led to the invention and patenting of the world's first wall plug, which became a standard solution for attaching things to walls. [1] John Joseph Rawlings , who is credited with the invention of the wall plug, named his product Rawlplug, using the first syllable of his last name, and renamed his business Rawlplug in 1919.
A hold-down may also refer to clamping device used to anchor a pipe to a structural steel element or concrete floor or allow movement of the pipe in an axial direction. [1] At the bottom, the hold down is connected to the concrete foundation or structural slab by an embedded or epoxied anchor bolt. At the top, the hold down is connected to a ...
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