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    • 8. 发明授权
    • Method for manufacturing molded foam
    • 制造模制泡沫的方法
    • US08343413B2
    • 2013-01-01
    • US12913003
    • 2010-10-27
    • Masaaki OnoderaTeruo TamadaTatsuya FukudaYu IgarashiYoshinori Ohno
    • Masaaki OnoderaTeruo TamadaTatsuya FukudaYu IgarashiYoshinori Ohno
    • B29C44/50B29C44/34
    • B29C44/08B29C44/06B29C44/3403
    • An object of the invention is to provide a method for manufacturing a molded foam which is lightweight and excellent in strength. According to the invention, a method for manufacturing a molded foam from a foamed parison includes: an extruding step of extruding a resin blend containing a foaming agent and a thermoplastic resin to form a foamed parison; an attaching step of closely attaching facing portions of an inner wall surface of the foamed parison to each other to form a foamed parison laminated body; a mold clamping step of sealing and mold clamping the foamed parison laminated body by clamping the foamed parison laminated body by split mold blocks; and a sucking step of sucking air between the split mold blocks to reduce a pressure between the split mold blocks, after the attaching step and the mold clamping step.
    • 本发明的目的是提供一种轻质且强度优异的模制泡沫塑料的制造方法。 根据本发明,用于从发泡型坯制造模塑泡沫的方法包括:挤出包含发泡剂和热塑性树脂的树脂共混物以形成发泡型坯的挤出步骤; 将发泡型坯的内壁面的面对部彼此紧密连接以形成发泡型坯层压体的安装步骤; 通过用分开的模块夹紧发泡型坯层压体来密封和模制夹紧发泡型坯层压体的模具夹紧步骤; 以及在安装步骤和合模步骤之后,在分开的模具块之间吸入空气以减小分开的模具块之间的压力的抽吸步骤。