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Siping is a process of cutting thin slits across a rubber surface to improve traction in wet or icy conditions. Siping was invented and patented in 1923 under the name of John F. Sipe . [ 1 ] [ 2 ] The story told on various websites is that, in the 1920s, Sipe worked in a slaughterhouse and grew tired of slipping on the wet floors.
Because chemical reactions are occurring during the process of mixing a rubber compound, the compound often heats up. To help keep the rubber compound cool, often one of the rolls is hollow and can be hooked up to a cooling water line which then allows cool water to flow through the roll, cooling the metal roll and therefore the rubber. [2] [6]
Siping may refer to: Siping (rubber), process of cutting thin slits across a rubber surface; China. Siping, Jilin (四平市) formerly Sipingjie;
The first commercial use of siping was a year earlier, where Tecalemit used a knife-cutting process almost identical to Sipe's original patent as a means of recutting worn treads. Europe also abandoned the slow process of literally knife cutting in favour of steel blades in the tread moulds, forming the sipes by moulding.
Siping (rubber), process to improve traction in slippery conditions; Sipe, Estonia, village in Kambja Parish, Tartu County, Estonia; Sipe Sipe, town in Bolivia;
The Summary. For years, a special mud has been rubbed on every baseball before every major league game to make it less slippery. The mud’s story dates to the 1930s, and MLB still relies on one ...
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The coating is an emulsion manufactured using asphaltene and water primarily, with other raw materials according to the manufacturer's specifications. They came in use in the early 1990s, replacing coatings based on dangerous and environmental harmful solvents, such as benzenes, toluenes, hexanes and other volatile organic compounds .