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The bucking bar is a specially shaped solid block of metal. The rivet gun provides a series of high-impulse forces that upsets and work hardens the tail of the rivet between the work and the inertia of the bucking bar. Rivets that are large or hard may be more easily installed by squeezing instead.
A rivet gun, also known as a rivet hammer or a pneumatic hammer, [1] is a type of tool used to drive rivets. The rivet gun is used on rivet's factory head (the head present before riveting takes place), and a bucking bar is used to support the tail of the rivet. The energy from the hammer in the rivet gun drives the work and the rivet against ...
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The Monobloc chair is a lightweight stackable polypropylene chair, usually white in color, often described as the world's most common plastic chair. [1] The name comes from mono - ("one") and bloc ("block"), meaning an object forged in a single piece.
In 1936 the company was founded by Stanley Thomas Johnson in Godalming, Surrey, United Kingdom. [1] [2] The business, originally called "Aviation Developments", manufactured riveting technology, including the newly invented Chobert magazine-fed rivets, [3] primarily to the at that time growing aviation industry.
Pages in category "Stacking chairs" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. 0–9. 40/4 Chair; A.
The 40/4 chair is the compactly stackable chair designed by David Rowland in 1964. Forty chairs can be stacked within a height of 4 feet (120 cm), giving the chair its name. Over time it has received a number of design awards and is in the permanent collection of the Museum of Modern Art in New York, as well as other museums internationally.
The polypropylene stacking chair or polyprop [citation needed] is a chair manufactured in an injection moulding process using polypropylene. It was designed by Robin Day in 1963 for S. Hille & Co . It is now so iconic, it was selected as one of eight designs in a 2009 series of British stamps of "British Design Classics".