发明名称 MOLDING OF SYNTHETIC RESIN CONTAINER COVER
摘要 PURPOSE:To prevent the breakage of bridged portion of a molding by a method in which a projection to specify the outer face of a pilfer-proof skirt side is provided to a female mold assembly, a male mold assembly is separated from the container cover so formed, and the projection is removed out of the container cover. CONSTITUTION:A projection 174 to specify a shoulder 32 facing the free end of a pilfer-proof skirt portion 14 on the outer face of the skirt portion 14 is provided to the annular movable part 144 of a female mold assembly. The core 108 of the male mold assembly is separated from the cover 2 of a container so formed, and the projection 174 of the female mold assembly is separated to prevent the breakage of the bridged portion 18.
申请公布号 JPS60149424(A) 申请公布日期 1985.08.06
申请号 JP19840005755 申请日期 1984.01.18
申请人 KISHIMOTO AKIRA 发明人 YAMAMOTO OSAMU;YAMADA MUNEKI;KAWAGUCHI KIYOSHI
分类号 B65D41/34;B29C43/42;B29C43/50;B29C45/26;B29C45/44;B29L31/56 主分类号 B65D41/34
代理机构 代理人
主权项
地址