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    • 23. 发明专利
    • Method for forming mold
    • 形成模具的方法
    • JP2004017085A
    • 2004-01-22
    • JP2002174886
    • 2002-06-14
    • Asahi Organic Chem Ind Co LtdToshiko Metal Co Ltdトシコ鋳工株式会社旭有機材工業株式会社
    • UMIKAWA YOSHIHISAKAKINUMA GOROTORII HIROYUKI
    • B22C1/14B22C1/02B22C1/22B22C7/00B22C9/10
    • PROBLEM TO BE SOLVED: To provide a method for forming a mold (core) using a forming pattern of foamed polystyrene as a substitute of a wooden pattern and a resin pattern.
      SOLUTION: After forming the mold by embedding the polystyrene-made pattern into a normal temperature self-curing kneaded sand obtained by kneading molding sand, an organic solvent consisting essentially of phenol resin, a polyisocyanate compound and an aliphatic carboxilic acid ester and as necessary, hardening accelerator, hardening retardant and other additives, the pattern is taken out. In another embodiment, after forming the mold by filling the normal temperature self-curing kneaded sand obtained by kneading the molding sand and the organic solvent consisting essentially of the phenol resin, the polyisocyanate compound, the aliphatic carboxilic acid ester and as necessary, the hardening accelerator, hardening retardant and the other additives, into a foamed polystyrene-made forming pattern, the mold is taken out of the inner part of the forming pattern.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种使用发泡聚苯乙烯的形成图案作为木图案和树脂图案的替代物来形成模具(芯)的方法。 解决方案:通过将聚苯乙烯制成的图案嵌入到通过捏合型砂获得的常温自固化混炼砂中形成模具之后,基本上由酚醛树脂,多异氰酸酯化合物和脂族羧酸酯组成的有机溶剂和 根据需要,硬化促进剂,硬化剂等添加剂,取出图案。 在另一个实施方案中,在通过填充通过捏合型砂获得的常温自固化混炼砂和基本上由酚醛树脂,多异氰酸酯化合物,脂族羧酸酯和根据需要组成的有机溶剂形成模具之后, 促进剂,硬化阻燃剂和其他添加剂,形成发泡聚苯乙烯制成的成型图案,将模具从成形图案的内部部分取出。 版权所有(C)2004,JPO
    • 25. 发明专利
    • Method for lamination-shaping and lamination-shaped article
    • 用于层压成型和层压制品的方法
    • JP2003001368A
    • 2003-01-07
    • JP2001187125
    • 2001-06-20
    • Nakakin:Kk株式会社ナカキン
    • UESUGI HIROSHI
    • B22C1/00B22C1/22B22C7/00B22C9/02B22C9/10B23K26/00B29C67/00B29K101/10B29K103/06
    • PROBLEM TO BE SOLVED: To provide, concerning a lamination-shaping where a three-dimensional shaped article can be obtained by laminating a plurality of cured layers, a method for stably obtaining a lamination-shaped article that is excellent in the stability of shape and dimension, that has a smooth surface and an appropriate strength, and that is suitable for the use for a mold, etc., by repeatedly conducting two processes: a process where a thin powder layer is formed by spraying powder and a process where a cured layer of a two-dimensional pattern is formed by irradiating the powder layer with a laser beam. SOLUTION: Artificial ceramic sand consisting of spherical particles coated with a thermosetting resin component is used as a powdery shaping material.
    • 要解决的问题:为了提供通过层叠多个固化层可以获得三维成形制品的层压成形方法,可以获得稳定地获得形状稳定性优异的层压制品的方法,以及 尺寸,其具有光滑的表面和适当的强度,并且适用于模具等的使用,通过重复进行两个工艺:通过喷涂粉末形成薄粉末层的方法和其中固化的方法 通过用激光束照射粉末层来形成二维图案层。 解决方案:使用由热固性树脂组分涂覆的球形颗粒组成的人造陶瓷砂作为粉末成形材料。