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    • 8. 发明授权
    • Microwave plasma torch having discretely positioned gas injection holes
and method for generating plasma
    • 具有离散定位的气体注入孔的微波等离子体焰炬和产生等离子体的方法
    • US5734143A
    • 1998-03-31
    • US546834
    • 1995-10-23
    • Toru KawaseYoshinobu NaganoTadashi KimuraYoshikazu YoshidaShinichi Mizuguchi
    • Toru KawaseYoshinobu NaganoTadashi KimuraYoshikazu YoshidaShinichi Mizuguchi
    • H05H1/30H05H1/34B23K10/00
    • H01J37/32229H05H1/30H05H2001/3468H05H2001/3478
    • The microwave plasma torch of the invention includes: a vacuum container having an evacuating apparatus; a coaxial waveguide including an inner conductor and an outer conductor, a first end portion of the coaxial waveguide being connected with a microwave supplying apparatus for supplying a microwave and a second end portion of the coaxial waveguide being connected with the vacuum container, thereby introducing the microwave supplied from the microwave supplying apparatus into the vacuum container along a waveguide axis of the coaxial waveguide; and a gas supplying apparatus for injecting a gas into the vacuum container along a plurality of injection axes. In the microwave plasma torch, at least two of the plurality of injection axes do not cross the waveguide axis in the second end portion, and do not exist in a plane vertical to the waveguide axis, and a ratio of a diameter of the inner conductor to a diameter of the outer conductor in a vicinity of the second end portion decreases from the first to the second end portion along the waveguide axis.
    • 本发明的微波等离子体焰炬包括:具有排气装置的真空容器; 包括内导体和外导体的同轴波导,同轴波导的第一端部与用于提供微波的微波供给装置和与真空容器连接的同轴波导的第二端部连接,从而将 微波从微波供给装置沿着同轴波导的波导轴供给到真空容器内; 以及用于沿多个喷射轴将气体喷射到真空容器中的气体供给装置。 在微波等离子体焰炬中,多个喷射轴中的至少两个不在第二端部中穿过波导轴线,并且不存在于垂直于波导轴线的平面中,并且内部导体的直径 在第二端部附近的外导体的直径沿着波导轴从第一端部向第二端部减小。
    • 10. 发明授权
    • Mold material composition and method for preparing mold
    • 模具材料组成及其制备方法
    • US5473009A
    • 1995-12-05
    • US197953
    • 1994-02-17
    • Tadashi KimuraOsamu IshizuShin Konishi
    • Tadashi KimuraOsamu IshizuShin Konishi
    • B22C1/16B22C1/22C08G18/48C08L75/08C08K3/36
    • C08G18/482B22C1/167B22C1/2273
    • A self-hardening mold material composition comprising 100 parts by weight of molding sand, 0.1 to 6 parts by weight of a component (a), 0.1 to 4 parts by weight of a component (b), 0.05 to 2.0 parts by weight of a component (c) as SiO.sub.2, and 0.01 to 0.5 parts by weight of a component (d) on the basis of 100 parts by weight of the component (b), wherein the component (a) is an organic polyisocyanate having at least two isocyanate groups; the component (b) is a polyetherpolyol mixtures comprising aminopolyetherpolyol, obtained by addition reaction of aliphatic or aromatic amine with alkylene oxide, and a non-aminopolyetherpolyol and containing 5 to 85% by weight of primary hydroxyl-containing polyetherpolyol, the component (c) is at least one of silicate ester, its hydrolysis products, a water dispersion-type silica sol and an alcohol dispersion-type silica sol; and the component (d) is a reaction catalyst, can produce a mold having a good strength after being left standing in the atmosphere at the ordinary temperature and after a molten metal is poured therein, a good shake-out when the mold is dismantled, without any need for mold wash at all or with a need only for simple mold wash.
    • 一种自硬模具材料组合物,其包含100重量份的型砂,0.1至6重量份的组分(a),0.1至4重量份的组分(b),0.05-2.0重量份的 组分(c)作为SiO 2,和基于100重量份组分(b)的0.01至0.5重量份的组分(d),其中组分(a)是具有至少两个异氰酸酯的有机多异氰酸酯 团体 组分(b)是包含通过脂族或芳族胺与烯化氧的加成反应得到的氨基聚醚多元醇和非氨基聚醚多元醇的聚醚多元醇混合物,其含有5-85重量%的含伯羟基的聚醚多元醇,组分(c) 是硅酸酯,其水解产物,水分散型硅溶胶和醇分散型二氧化硅溶胶中的至少一种; 组分(d)是反应催化剂,可以在常温下放置在大气中并在浇注熔融金属之后产生具有良好强度的模具,当拆卸模具时,其具有良好的振动, 完全不需要模具清洗,或只需要简单的模具清洗。