Cloth-added packing and manufacturing method thereof
2014
The invention provides a cloth-added packing and a manufacturing method thereof. A cloth piece is additionally cushioned between rubber gaskets which are plastically molded, wherein holes are formed in the centers of the rubber gaskets; the internal diameter of a center hole of the cloth piece is equal to that of the rubber gaskets; the external diameter of the cloth piece is smaller than that of the rubber gaskets; circular holes are uniformly distributed in the peripheral direction of the cloth piece. The rubber gaskets and the cloth piece are stacked at intervals, and then placed in a mold to be vulcanized and molded, so as to form spiral grooves in the cloth-add packing uniformly. The rubber gaskets are made from a graphite material or a rubber material; the cloth piece is made of a rubber cord fabric material or a canvas material.
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