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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.
Rubber tapping in Indonesia, 1951. Rubber tapping is the process by which latex is collected from a rubber tree.The latex is harvested by slicing a groove into the bark of the tree at a depth of one-quarter inch (6.4 mm) with a hooked knife and peeling back the bark.
Siping may refer to: Siping (rubber), process of cutting thin slits across a rubber surface; China. Siping, Jilin (四平市) formerly Sipingjie;
Rubber Technology is the subject dealing with the transformation of rubbers or elastomers into useful products, such as automobile tires, rubber mats and, exercise rubber stretching bands. The materials includes latex , natural rubber , synthetic rubber and other polymeric materials, such as thermoplastic elastomers .
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.
Curing is the process of applying pressure to the green tire in a mold in order to give it its final shape and applying heat energy to stimulate the chemical reaction between the rubber and other materials. In this process the green tire is automatically transferred onto the lower mold bead seat, a rubber bladder is inserted into the green tire ...
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Worker placing a tire in a mold before vulcanization. Vulcanization (British English: vulcanisation) is a range of processes for hardening rubbers. [1] The term originally referred exclusively to the treatment of natural rubber with sulfur, which remains the most common practice.