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    • 1. 发明申请
    • METHOD OF MANUFACTURING ALUMINUM ALLOY PLATE FOR MOLDING
    • 制造用于成型的铝合金板的方法
    • WO1995022634A1
    • 1995-08-24
    • PCT/JP1995000200
    • 1995-02-14
    • SUMITOMO LIGHT METAL INDUSTRIES, LTD.
    • SUMITOMO LIGHT METAL INDUSTRIES, LTD.UCHIDA, HidetoshiYOSHIDA, Hideo
    • C22F01/05
    • C22C21/08C22C21/02C22F1/043C22F1/05
    • An aluminum alloy ingot containing not less than 0.4 % by weight and less than 1.7 % by weight of Si, not less than 0.2 % by weight and less than 1.2 % by weight of Mg, and Al and unavoidable impurities for the remainder is homogenized at a temperature of not lower than 500 DEG C; the resultant product being cooled from a temperature of not lower than 500 DEG C to a temperature in the range of 350-450 DEG C and started to be hot rolled; the hot rolling step being finished at a temperature in the range of 200-300 DEG C; the resultant product being subjected to cold rolling at a reduction ratio of not less than 50 % immediately before it has been solution-treated; the cold rolled product being then solution-treated in which it is retained at a temperature in the range of 500-580 DEG C at a temperature increasing rate of not less than 2 DEG C/s for not more than 10 minutes; the resultant product being subjected to hardening in which it is cooled to a temperature of not higher than 100 DEG C at a cooling rate of not less than 5 DEG C/s. Thus, a method of manufacturing an aluminum alloy plate for molding is provided which has high strength and moldability and an excellent external appearance of a post-molding surface thereof, and which is suitably used as a material for transportation equipment parts, such as an outer plate for automobiles.
    • 含有不小于0.4重量%且小于1.7重量%的Si,不小于0.2重量%且小于1.2重量%的Mg的铝合金锭,其余的Al和不可避免的杂质均匀化在 温度不低于500℃; 将所得产物从不低于500℃的温度冷却至350-450℃的温度,并开始热轧; 热轧步骤在200-300℃的温度范围内完成; 在溶液处理之前,将所得产物以不小于50%的压缩比进行冷轧; 然后将冷轧产品进行溶液处理,其中以不低于2℃/ s的升温速度保持在500-580℃的温度下不超过10分钟; 将所得产物进行硬化,以不低于5℃/ s的冷却速度将其冷却至不高于100℃的温度。 因此,提供了一种制造用于成型的铝合金板的方法,其具有高强度和成型性以及其后成型表面的优异外观,并且适合用作诸如外部的运输设备部件的材料 汽车板。
    • 2. 发明申请
    • INTERNALLY TIN-PLATED COPPER PIPE MANUFACTURING METHOD
    • 内置铜管制造方法
    • WO1997046732A1
    • 1997-12-11
    • PCT/JP1997001752
    • 1997-05-22
    • SUMITOMO LIGHT METAL INDUSTRIES, LTD.ITO, JunichiATSUMI, TetsuroYONEMITSU, MakotoNISHIMOTO, YoshihiroOKAMURA, Hiroshi
    • SUMITOMO LIGHT METAL INDUSTRIES, LTD.
    • C23C18/52
    • C23C18/54C23C18/1651C23C18/168C23C18/31
    • A method of forming a layer of coating of tin on an inner surface of a copper pipe by passing a substitutional electroless tin plating liquid through an inner portion of the pipe, comprising a first plating step in which the plating is done by regulating a deposition rate of a layer of coating of tin so that a value obtained by dividing a total copper ion concentration in the portion of the plating liquid which has passed through the inner portion of the copper pipe and just flowed out therefrom by a concentration of bivalent tin ions in the same plating liquid becomes not more than 0.8, and a second plating step in which the plating is done with the temperature of the plating liquid set higher than that of the plating liquid in the first plating step. A plating liquid preferably used is a plating liquid containing 0.05-0.3 mol/l of positive bivalent Sn ion, 0.5-2.0 mol/l of thiourea, 0.5-2.0 mol/l of sulfuric acid, 0.05-2.0 mol/l of alkyl benzene sulfonic acid and 0.5-5.0 g/l of nonionic surface active agent. A corrosion resisting internally tin-plated copper pipe used as a water supply pipe, a hot water supply pipe and a heat exchanger pipe can be manufactured in the form of a long size coil, and a layer of coating of tin thus formed has small scatter of thickness, and high adhesion and a high corrosion resistance.
    • 一种在铜管的内表面上形成锡涂层的方法,该方法通过使取代的无电镀锡液通过管的内部,包括第一镀层步骤,其中通过调节沉积速率进行电镀 的镀层,使得通过将通过铜管内部的电镀液的部分中的总铜离子浓度除以由二价锡离子浓度刚刚流出的值而得到的值 相同的电镀液变得不大于0.8,并且在第一电镀步骤中,在电镀液的温度设定为高于电镀液的温度的情况下进行电镀的第二电镀步骤。 优选使用的电镀液是含有0.05-0.3mol / l的正二价Sn离子,0.5-2.0mol / l的硫脲,0.5-2.0mol / l的硫酸,0.05-2.0mol / l的烷基苯 磺酸和0.5-5.0g / l非离子表面活性剂。 用作供水管的耐腐蚀内部镀锡铜管,热水供应管和热交换器管可以制成长尺寸线圈的形式,并且由此形成的锡涂层具有小的散射 的厚度,高粘合性和高耐腐蚀性。
    • 3. 发明申请
    • HEATING TUBE FOR ABSORBER AND METHOD OF MANUFACTURING SAME
    • 用于吸收器的加热管及其制造方法
    • WO1998026239A1
    • 1998-06-18
    • PCT/JP1997004554
    • 1997-12-10
    • SANYO ELECTRIC CO., LTD.SUMITOMO LIGHT METAL INDUSTRIES, LTD.YAMAZAKI, ShigumaSASAKI, NaoeEGUCHI, Akio
    • SANYO ELECTRIC CO., LTD.SUMITOMO LIGHT METAL INDUSTRIES, LTD.
    • F25B37/00
    • B21D15/00B21C37/20F25B37/00F25B2500/01F28D3/02F28F1/06F28F1/42F28F1/422F28F1/426
    • A heating tube for absorbers, which has a heat transfer performance improving rate corresponding to a heat transfer area increasing rate, is equivalent to a smooth tube in mass per unit length, and is not increased in stock material cost. A heating tube (2) for absorbers is constructed such that a plurality of mountain portions (4), extending in an axial direction of the tube on a tube outer surface and having a configuration of arcuate curved surface in a circumferential direction of the tube, are arranged to form valleys (6) between adjacent mountain portions (4) in the circumferential direction, and irregularities are formed on a tube inner surface to correspond to the mountain portions (4) and valleys (6) and that an adsorbent is made to drip or sprinkle on the tube outer surface while a cooling liquid in the tube cools the adsorbent outside the tube. Provided on the respective mountain portion (4) and spaced from one another in the axial direction of the tube are a multiplicity of recesses (8) extending in the circumferential direction of the tube with either bottom sectional configuration, respectively, in the axial direction of the tube and in the circumferential direction of the tube assuming curved surfaces, so that the mountain portions (4) between the recesses (8) are formed as independent fins (10) and opposite ends of the recesses (8) in the circumferential direction of the tube are formed gradually smaller in width to converge.
    • 具有与传热面积增加率相对应的传热性能改善率的吸收体用加热管相当于每单位长度的质量平滑的管,并且不增加原料成本。 用于吸收器的加热管(2)被构造成使得在管外表面上沿着管的轴向延伸并且在管的圆周方向上具有弧形曲面的构造的多个山部(4) 被布置成在周向上在相邻的山部分(4)之间形成谷(6),并且在管内表面上形成对应于山部分(4)和谷(6)的凹凸,并且将吸附剂制成 滴管或洒在管外表面上,而管中的冷却液冷却管外的吸附剂。 在相应的山部分(4)上设置并在管的轴向上彼此间隔开的多个凹部(8)沿管的圆周方向分别沿底部截面形状沿轴向方向 所述管和所述管的圆周方向呈弯曲表面,使得所述凹部(8)之间的山部(4)在所述凹部(8)的圆周方向上形成为独立的翅片(10)和所述凹部(8)的相对端 管形成在宽度上逐渐变小以收敛。