Method for producing mold for rubber article, and mold for rubber article
AssigneeBridgestone Corporation
InventorYasuyuki ISHIHARA
Life of this patent
Estimating the term…
Abstract
A slit forming part can be easily formed on a parting surface of a split mold and a change in a slit vent formed by the slit forming part can be suppressed. Parting surfaces including slit forming parts are formed on the split mold. Plating is applied to the parting surfaces of the split mold so as to coat the parting surfaces in which the slit forming part is formed, with a plating film. A plurality of split molds are combined together such that their parting surfaces opposed to each other, to mold a rubber article. The slit forming parts of the parting surfaces form a slit vent between the split molds.
Claims11
A method for producing a mold for rubber article comprising;
- a plurality of split molds which are combined together such that their parting surfaces opposed to each other to mold a rubber article;
- and slit forming parts on the parting surfaces which form a slit vent between the split molds, wherein it comprises steps of:
- forming the parting surface including the slit forming part on the split mold, and
- plating the parting surface of the split mold so as to coat the parting surface in which the slit forming part is formed, with a plating film.
A mold for rubber article comprising;
- a plurality of split molds which are combined together such that their parting surfaces opposed to each other to mold a rubber article;
- and slit forming parts of the parting surfaces which form a slit vent between the split molds,
- wherein it has
- a plating film coating the parting surfaces in which the slit forming parts are formed.
Dependencies are inferred from the claim text.