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    • 1. 发明申请
    • Method for producing a mould and the thus obtained mould
    • 用于制造模具的方法和由此获得的模具
    • US20070057402A1
    • 2007-03-15
    • US10574810
    • 2004-10-05
    • Serge Da SilvaPierre GrosCedric LeguenJacques ProsdocimiSylvain Puybouffat
    • Serge Da SilvaPierre GrosCedric LeguenJacques ProsdocimiSylvain Puybouffat
    • B29C33/40
    • B22C9/22B22C9/00
    • The invention relates to a method for producing a mold for molding objects in a material, called the moldable material, whereby a pattern of the objects to be molded is used and is covered with a material, called the molding material, wherein expanded graphite is used as the molding material, the pattern (3) is covered with expanded graphite to form a continuous layer of expanded graphite or a plurality of separated layers (5, 6) of expanded graphite distributed over the pattern, and the layer(s) of expanded graphite are then compressed against the pattern so as to obtain for each layer a block of consolidated graphite which is impermeable to the moldable material. A variant of the invention consists in utilizing at least one pre-consolidated layer of expanded graphite which is recompressed in at least one direction so as to have a density ranging from 30 to 50 kg/m3.
    • 本发明涉及一种用于在被称为可模制材料的材料中成型物体的模具的制造方法,由此使用待模制物体的图案并被称为成型材料的材料覆盖,其中使用膨胀石墨 作为成型材料,图案(3)被膨胀石墨覆盖,以形成分布在图案上的膨胀石墨或多个分散层(5,6)的连续层,并且扩展层 然后将石墨压在图案上,以便为每一层获得一块不可渗透模塑材料的固结石墨块。 本发明的一个变型在于利用至少一个预固化的膨胀石墨层,该膨胀石墨在至少一个方向被再压缩,以便具有30至50kg / m 3的密度。