发明名称 FORMING MOLD FOR BOX
摘要 PURPOSE:To provide a forming mold for boxes capable of forming boxes which have high adhering strength between a belt-like part and a side part each formed by resin of different physical property, and have excellent appearances, and also capable of forming boxes that can be reduced in size. CONSTITUTION:The core of a stationary mold 20 forming a cavity between its part and the recession of a movable mold 10 constituting a forming mold is divided in an advancing and retreating relationship into a plurality of movable cores 22, 24, and the moving cavity is minimized, and further the end surface of a center core 22 situated in the center of divided cores of the stationary mold 20 is made into step-like protruded end surfaces.
申请公布号 JPH0531768(A) 申请公布日期 1993.02.09
申请号 JP19910216408 申请日期 1991.08.01
申请人 NISSEI PLASTICS IND CO 发明人 TAKAYAMA KAZUTOSHI
分类号 B29C45/16;B29C45/26;B29L22/00 主分类号 B29C45/16
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