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Schwing Concrete pump. The Schwing Group was founded as a medium-sized enterprise on 17 March 1934, by Friedrich Wilhelm Schwing (* 1909; † 1992), a locksmith from Wanne-Eickel. In 1957, Schwing built the world's first oil-hydraulic two-cylinder concrete pump. Starting in 1964, the company also built the first large concrete mixers.
A stationary engine is an engine whose framework does not move. They are used to drive immobile equipment, such as pumps, generators, mills or factory machinery, or cable cars. The term usually refers to large immobile reciprocating engines, principally stationary steam engines [1] and, to some extent, stationary internal combustion engines.
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The second main type of concrete pump, commonly referred to as a "line pump" or trailer-mounted concrete pump, is either mounted on a truck or placed on a trailer. This pump requires steel or flexible concrete placing hoses to be manually attached to the outlet of the machine and feed the concrete to the place of application. The length of the ...
The pump works via a drive magnet, 'driving' the pump rotor, which is magnetically coupled to the primary shaft driven by the motor. [8] They are often used where leakage of the fluid pumped poses a great risk (e.g., aggressive fluid in the chemical or nuclear industry, or electric shock - garden fountains).
Graflex Pacemaker Crown Graphic, 1947. Graflex was a manufacturer that gave its brand name to several camera models.. The company was founded as the Folmer and Schwing Manufacturing Company in New York City in 1887 by William F. Folmer and William E. Schwing as a metal working factory, manufacturing gas light fixtures, chandeliers, bicycles and eventually, cameras.
The founder of R A Lister and Company was Robert Ashton Lister, who was born in 1845. [1] He led the exhibit of the family's products to the Paris Exhibition of 1867, [2] but on return fell out with his father, [citation needed] and in the same year founded R.A.Lister and Company [3] in the former Howard's Lower Mill, Water Street in Dursley to manufacture agricultural machinery.
This business was established in 1837 as Smith & Ashby later known as Rutland Iron Works. Later still it came into the ownership of Ashby and G. E. Jeffery. In 1877 Edward Christopher Blackstone (1850-1916) was admitted to a new partnership owning Rutland Iron Works known as Jeffery and Blackstone.