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Smith held a washing machine patent which he exchanged in 1874 for part-ownership of the York Manufacturing Company which was founded to produce the machines. His partner, Oliver J. Bollinger, signed over his rights to an 1870 turbine water wheel. Bollinger left the company in 1875 to produce an improved turbine at his own company.
In building construction today some lead flashing is welded but soldered copper flashing is much more common in America. In the automotive body repair industry before the 1980s, oxyacetylene gas torch welding was seldom used to weld sheet metal, since warping was a byproduct as well as excess heat.
Flash, also known as flashing, is excess material attached to a molded, forged, or cast product, which must usually be removed. This is typically caused by leakage of the material between the two surfaces of a mold (beginning along the parting line [ 1 ] ) or between the base material and the mold in the case of overmolding .
New York manufacturing growth slowed down for August, according to a new report (link opens as PDF) released today by the New York Federal Reserve. Comprised of surveys from around 100 New York ...
Animation of flashing operation in flash welding Flash welding is a type of resistance welding that does not use any filler metals . The pieces of metal to be welded are set apart at a predetermined distance based on material thickness, material composition, and desired properties of the finished weld.
There is an exhibit telling the story of Etha Coles Armstrong, who, in 1905, was the first Black woman to work in a York manufacturing plant, a sewing factory. Armstrong later headed up the effort ...