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Ermal Cleon "Ernie" Fraze [1] (September 16, 1913 – October 26, 1989) was an American engineer who invented the pull-tab opener used in beverage cans. [ 1 ] Early life
The modern hammer head is typically made of steel which has been heat treated for hardness, and the handle (also known as a haft or helve) is typically made of wood or plastic. Ubiquitous in framing , the claw hammer has a "claw" to pull nails out of wood, and is commonly found in an inventory of household tools in North America .
Hammer was close friends with Arsenio Hall (as well as a then-unknown teen named Vanilla Ice, despite later rumors that there was a "beef" between the two rappers which was addressed during the height of both their careers on Hall's show, and whom he would later reunite with in a 2009 concert in Salt Lake City, Utah), [82] [83] and as such ...
Vlchek originally made and sharpened tools for stonecutters and masons, and later made tools for automobiles and for agriculture machinery. Vlchek Tool Company was founded as a blacksmith shop in 1894 in Cleveland, Ohio by Frank J. Vlchek. [1] It was incorporated in 1909. [1] In 1958 Pendleton Tool Industries Co. bought the Vlchek Tool Company. [2]
A hammerstone is made of a material such as sandstone, limestone or quartzite, is often ovoid in shape (to fit the human hand better), and develops telltale battering marks on one or both ends. In archaeological recovery, hammerstones are often found in association with other stone tool artifacts, debitage and/or objects of the hammer such as ore.
A drilling hammer, [5] club hammer, lump hammer, crack hammer, mini-sledge or thor hammer is a small sledgehammer whose relatively light weight and short handle allow one-handed use. [6] It is useful for light demolition work, driving masonry nails, and for use with a steel chisel when cutting stone or metal. [ 7 ]
This was the first large scale demonstration of a central station powering incandescent lighting, preceding the Pearl Street Station in New York City. [5] Hammer invented the electric advertising sign, by constructing a ten foot long, four foot high sign with 12 bulbs for each letter of the name "Edison," which had a rotating drum switch to ...
The possibility of a steam hammer was noted by James Watt (1736–1819) in his 28 April 1784 patent for an improved steam engine. [12] Watt described "Heavy Hammers or Stampers, for forging or stamping iron, copper, or other metals, or other matters without the intervention of rotative motions or wheels, by fixing the Hammer or Stamper to be so worked, either directly to the piston or piston ...