34f08f34_rials_patent_application_class__Description
20110174460 07-21-2011 [Description] 
METHOD OF MANUFACTURING CASTING FOR MOLD FOR MOLDING TIRE - Provided is a method of manufacturing a casting for a mold for molding a tire, wherein twist and warp deformation of each block of the casting is less likely to occur when the casting shrinks, the difference between the degrees of shrinkage of cope and drag is small, the casting, even if large-sized, can be produced in a relatively short molten metal solidifying time, and healthy castings can be easily obtained. A method of manufacturing a casting for a mold for molding a tire of a sectional mold type in which the mold is opened and closed by dividing the mold into a plurality of pieces in the circumferential direction comprises a process of manufacturing each of divided block castings (
Utilizing particular mold materials patent application class