Patent classifications
B29C2033/727
PRODUCTION METHOD OF COVER FOR MOLD CLEANING
An object of the present invention is to provide a production method of a cover for mold cleaning which can clean a mold without removing the mold from a vulcanizer and is excellent in a mold cleaning effect while maintaining productivity. The production method of a cover for mold cleaning is produced by applying an unvulcanized rubber composition on an outer periphery of a raw cover, the method comprising a rubber strip winding step of winding a rubber strip consisting of the unvulcanized rubber composition from side wall portions to tread shoulder portions of a raw cover, and a plate-like rubber material winding step of applying a plate-like rubber material consisting of the unvulcanized rubber composition on a tread center portion of the raw cover, wherein a gauge of the rubber composition after vulcanization of the cover is not less than 1.0 mm.
Compression molding die, resin molding device, resin molding system, and method for manufacturing resin molded product
A compression molding die includes a first mold and a second mold. The first mold includes a bottom surface member and a side surface member. A space is providable in the first mold by a step of at least one of an outer peripheral surface of the bottom surface member and an inner peripheral surface of the side surface member. The first mold includes a gas inlet capable of introducing gas into the space, a gas outlet through which the gas introduced into the space is dischargeable, and a seal member below the space.