发明名称 Preform molding apparatus for forming a preform having a neck ring
摘要 To provide a preform, a bottle and a preform molding apparatus capable of preventing lowering in the mechanical strength of a preform, reducing the amount of a resin material, as well as improving productivity. A preform mold 1e used in the preform molding apparatus has a mouth neck part mold 2, a body part mold 3e and a core mold 163, and the body part mold 3e has, on the outer edge of the upper surface of a cylindrical protrusion part 31e, an annular protrusion 33 which controls the moving direction of a solidified film 118 and a solidified film 117 which have been peeled.
申请公布号 US8435027(B2) 申请公布日期 2013.05.07
申请号 US20080733439 申请日期 2008.08.27
申请人 NEMOTO SATORU;SASAKI MASAYUKI;IMATANI TSUNEO;TOYO SEIKAN KAISHA, LTD. 发明人 NEMOTO SATORU;SASAKI MASAYUKI;IMATANI TSUNEO
分类号 B29C45/37 主分类号 B29C45/37
代理机构 代理人
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