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    • 1. 发明授权
    • Method for producing calcite-type calcium carbonate single crystal
    • 方解石型碳酸钙单晶的制备方法
    • US6048396A
    • 2000-04-11
    • US886126
    • 1997-07-03
    • Kazumichi YanagisawaIsao Matsushita
    • Kazumichi YanagisawaIsao Matsushita
    • C30B7/10C30B7/00C30B29/10
    • C30B7/00C30B29/10
    • This invention provides a method for producing calcite-type calcium carbonate single crystal available for optical elements, which can be carried out under relatively low temperature and low pressure conditions. The crystal growth process which comprises; a first step of filling a sealed pressure container of an autoclave with solvent and calcium carbonate as a raw material for growth, a second step of dissolving the starting rate in the solvent under predetermined conditions of pressure and temperature, a third step of crystallizing the calcium carbonate on a seed crystal suspended in the upper portion of the pressure container, on account of the difference of solubility caused by temperature gradient in the container; the method is characterized by that the aqueous solution of ammonium salt of mono-carboxylic acid is used as the solvent. The ammonium salt of mono-carboxylic acid is selected from the ammonium salts of carboxylic acid of whose alkyl group has 1 to 6 carbons, such as ammonium salts of acetic acid, propionic acid, butyric acid, valeric acid, hexanoic acid (equal to caproic acid), and heputanic acid (equal to enantic acid).
    • 本发明提供了一种可用于光学元件制备方解石型碳酸钙单晶的方法,该方法可在较低温度和低压条件下进行。 晶体生长过程包括: 以溶剂和碳酸钙作为生长原料填充高压釜的密封压力容器的第一步骤,在预定的压力和温度条件下将起始速率溶解在溶剂中的第二步骤,使钙 碳酸盐悬浮在压力容器的上部的晶种上,由于容器中温度梯度引起的溶解度差; 该方法的特征在于使用单羧酸铵盐水溶液作为溶剂。 单羧酸铵盐选自其烷基具有1至6个碳原子的羧酸的铵盐,例如乙酸,丙酸,丁酸,戊酸,己酸的铵盐(等于己酸 酸)和氢氧化钠(等于酸性酸)。
    • 5. 发明专利
    • Method and device for conveying slurry
    • 用于输送浆料的方法和装置
    • JP2003072946A
    • 2003-03-12
    • JP2001269927
    • 2001-09-06
    • Kyoritsu Gokin Co LtdIsao Matsushita功 松下株式会社共立合金製作所
    • MATSUSHITA ISAOTOMIHANA SABURO
    • B65G53/30
    • PROBLEM TO BE SOLVED: To convey slurry over a long distance without using a pump.
      SOLUTION: The device for conveying slurry includes a tank 2 which can be pressurized, a slurry supplying pipe 3 having an opening/closing valve 8 for supplying the slurry, for supplying the slurry S to an inside 2a of the tank, a slurry conveying pipe 4 extended from the tank 2, a gas supplying pipe 5 for aeration and conveyance having an opening/closing valve 10 for gas for aeration and conveyance, for supplying the gas for aeration and conveyance to the slurry conveying pipe 4, an opening/closing valve 9 for a conveying pipe provided on a downstream side of the slurry conveying pipe 4, for opening and closing the slurry conveying pipe 4, a discharge pipe 6 having an opening/ closing valve 13 for tank discharge, joined to a gas reservoir area 2a-1 in the inside 2a of the tank, for discharging gas in the area to an outside of the tank, and a gas supplying pipe 7 for tank pressurization having an opening/closing valve 14 for tank pressurization, joined to the gas reservoir area 2a-1, for supplying pressurized gas to the area.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:在不使用泵的情况下长距离输送浆料。 解决方案:用于输送浆料的装置包括可加压的罐2,具有用于供应浆料的开/关阀8的浆料供给管3,用于将浆料S供应到罐的内部2a;浆料输送管 4,用于曝气和输送的气体供应管5具有用于曝气和输送的气体的开/关阀10,用于向浆料输送管4供应用于曝气和输送的气体,打开/关闭阀 如图9所示,设置在浆料输送管4的下游侧的输送管,用于打开和关闭浆料输送管4,具有用于罐排放的打开/关闭阀13的排出管6连接到储气区2a- 1在罐的内部2a中,用于将区域中的气体排放到罐的外部,以及用于罐加压的气体供给管7,其具有用于罐加压的开/关阀14,与气藏区2a- 1,fo r向该地区供应加压气体。
    • 6. 发明专利
    • Concentrator for slurry and concentration/filtration apparatus
    • 浆液浓缩/过滤装置浓缩器
    • JP2004160319A
    • 2004-06-10
    • JP2002327682
    • 2002-11-12
    • Kyoritsu Gokin Co LtdIsao Matsushita功 松下株式会社共立合金製作所
    • MATSUSHITA ISAO
    • B01D29/64B01D29/25B01D29/37B01D29/62B01D29/94B01D35/22B01D37/02
    • PROBLEM TO BE SOLVED: To obtain a concentrated slurry high in concentration to continuously inject the same in a filter apparatus. SOLUTION: A slurry chamber 3 and a filtered liquid discharge passage 4 are formed in a casing 2 and a filter bed 9 is arranged between them. A slurry supply port 12a and a slurry discharge port 16a are respectively connected to the slurry chamber 3. A cake peeling appliance 9 for peeling off the cake K2 formed on the surface of the filter bed 9 is arranged so as to be freely reciprocated from a standby position B, which is separated from the slurry discharge port 16a, to an advance position G approaching the slurry discharge port 16a and the slurry S2 in high concentration remaining in the slurry chamber 3 is sent out to the slurry chamber 33 of the filter apparatus 30 from the slurry discharge port 16a by the peeling appliance 6 advancing toward the advance position G. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:获得浓度高的浓缩浆料,以在过滤装置中连续注入。 解决方案:在壳体2中形成有浆料室3和过滤液体排出通道4,并且在它们之间设置过滤床9。 浆料供给口12a和浆料排出口16a分别连接到浆料室3.用于剥离形成在过滤床9的表面上的滤饼K2的滤饼剥离装置9被布置成可以从 将从浆料排出口16a分离的待机位置B输送到接近浆料排出口16a的前进位置G和残留在浆料室3中的浓度高的浆料S2送出到过滤装置的浆料室33 30由浆料排出口16a通过剥离装置6前进到前进位置G.版权所有(C)2004,JPO
    • 8. 发明专利
    • Method for filtering cake and filtration apparatus
    • 滤饼和滤纸装置的方法
    • JP2003071211A
    • 2003-03-11
    • JP2001269926
    • 2001-09-06
    • Kyoritsu Gokin Co LtdIsao Matsushita功 松下株式会社共立合金製作所
    • MATSUSHITA ISAOTOMIHANA SABURO
    • B01D29/90B01D37/02
    • PROBLEM TO BE SOLVED: To provide a method for filtering cake which can accelerate the filtration of cake without adding a filtration assistant, or the like, and a filtration apparatus.
      SOLUTION: A filter device 2 in which a filter medium 7 is set between a pressurizable filtration chamber 5 and a filtrate discharge passage 6 and a slurry supply apparatus 3 for supplying slurry A to the chamber 5 are provided. The slurry supply apparatus 3 has a pressurization tank 14 having a slurry inlet 14a and a gas supply apparatus 17 for supplying compressed gas G to the tank 14. By expanding a filtrate passage in a cake layer C by bubbles B discharged from filtrate the pressure of which is reduced with the advance of the filtrate in the cake layer C, the increase in filtration resistance can be controlled.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种滤饼的方法,其可以加快滤饼的过滤而不添加过滤助剂等,以及过滤装置。 解决方案:提供一种过滤器装置2,其中将过滤介质7设置在可加压过滤室5和滤液排出通道6之间,以及用于将浆料A供应到室5的浆料供给装置3。 浆料供给装置3具有具有浆料入口14a的加压槽14和用于向罐14供给压缩气体G的气体供给装置17.通过从滤液排出的气泡B膨胀滤饼层C中的滤液通道, 随着滤饼层C中滤液的提前而减小,可以控制过滤阻力的提高。
    • 9. 发明专利
    • Apparatus for forming powder layer
    • 用于形成粉末层的装置
    • JP2009285662A
    • 2009-12-10
    • JP2008138096
    • 2008-05-27
    • Isao Matsushita功 松下
    • MATSUSHITA ISAO
    • B30B11/00B22F3/035
    • PROBLEM TO BE SOLVED: To obtain a thin powder layer in which the pack density of a molding powder is uniformized over the whole region in an annular cavity. SOLUTION: The apparatus for forming a powder layer includes a molding die 2 having an annular cavity K, a holder 3 that rotates forward and backward and that rises intermittently or continuously from a state descended to a lowered position, and a rake 34 that is held by the holder 3 and that has a blade 40 for revolving inside the annular cavity K. The blade 40 makes an inner end edge 40a approach to the inner circumferential wall 2a of the molding die 2 as well as making the outer end edge 40f approach to the outer circumferential wall 2b of the molding die, with the lower end edge 40b extended along the annular bottom face Kd of the annular cavity K. A crossing angle θ in the longitudinal direction of the blade relative to the radial direction R extending from the vertical center line C is set such that a powder body e is moved outward while moving it in the revolving direction using the forward rotation of the holder 3 and that the powder body e is moved inward while moving it in the revolving direction using the backward rotation of the holder 3. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了获得在环形空腔中整个区域中成型粉末的包装密度均匀化的薄粉末层。 解决方案:用于形成粉末层的装置包括:具有环形空腔K的模制模具2,向前和向后旋转并且从下降到下降位置的状态间歇地或连续地上升的保持器3和耙子34 由保持器3保持,并且具有用于在环形空腔K内旋转的刀片40.刀片40使内端缘40a接近成型模具2的内周壁2a,并且使外端边缘 40f接近成型模具的外周壁2b,其下端边缘40b沿着环形空腔K的环形底面Kd延伸。刀片相对于径向R延伸的纵向方向上的交叉角度θ 从垂直中心线C被设定为使得粉末体e向外移动,同时使用保持器3的向前旋转沿着旋转方向移动,并且粉末体e在移动的同时向内移动 (C)2010,JPO&INPIT