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    • 2. 发明申请
    • Method for producing molds for lost wax precision casting
    • 失蜡精密铸造用模具的制造方法
    • US20060144555A1
    • 2006-07-06
    • US10546388
    • 2004-02-17
    • Hidekazu SuzukiTaro KitaAkio SaitoKazuki KamataMasato Kikuchihara
    • Hidekazu SuzukiTaro KitaAkio SaitoKazuki KamataMasato Kikuchihara
    • B22C9/04
    • B22C1/10B22C9/043B22C9/12
    • The problems of the invention are to establish a modeling resin composition excellent in shape retention and dewaxing properties in the skillful system which comprises a urethane resin easy if thermal decomposition, a plasticizer, and a wax or waxy component and a dewaxing method suitable for models made form the composition and to enhance the strength of a mold in the low temperature range wherein dewaxing is carried out. According to the invention, a mold is produced by applying a primary layer consisting of plural fireproof coating layers among which epoxy silicone layers are laid and a backup layer consisting of plural thick coating layers on the surface of a resin model made by curing a two-component reaction curing type urethane liquid resin (F) which consists of a multifunctional polyol component (A), a multifunctional polyisocyanate component (B), a plasticizer (C), a wax or waxy component (D), and hollow resin balloons (E), preheating the obtained composite in a low temperature range within 60 to 120° C. during 2 to 8 hours to conduct initial dewaxing of removing 5 to 50% by weight of the resin model, raising the oven temperature gradually, and conducting the heating of the resulting composite in a medium temperature range of 150 to 500° C. during 2 to 5 hours and then the firing thereof in a high temperature range of 500 to 1000° C. during 2 to 5 hours.
    • 本发明的问题是在熟练的系统中建立一种具有优异的形状保持性和脱蜡性能的模塑树脂组合物,其包括如果热分解容易的聚氨酯树脂,增塑剂和蜡或蜡质组分,以及适用于型号的脱蜡方法 形成组合物并提高模具在进行脱蜡的低温范围内的强度。 根据本发明,通过将由多个耐火涂层组成的初级层(其中环氧硅树脂层铺设在其上)和由多个厚涂层组成的后备层施加在树脂模型的表面上, 由多功能多元醇成分(A),多官能多异氰酸酯成分(B),增塑剂(C),蜡或蜡质成分(D)和中空树脂气囊(E)组成的成分反应固化型聚氨酯液体树脂(F) ),将得到的复合体在60〜120℃的低温范围内预热2〜8小时,进行初始脱蜡,除去5〜50重量%的树脂模型,逐渐提高烘箱温度,进行加热 的所得复合材料在150-500℃的中等温度范围内进行2至5小时,然后在500至1000℃的高温范围内煅烧2至5小时。
    • 4. 发明申请
    • Process for producing resin model and process of lost wax precision casting with the resin model
    • 用树脂模型生产树脂模型和失蜡精密铸造工艺
    • US20070158870A1
    • 2007-07-12
    • US10586637
    • 2004-01-23
    • Hidekazu SuzukiAkio SaitoTaro Kita
    • Hidekazu SuzukiAkio SaitoTaro Kita
    • B29C33/40
    • B29C41/04B22C7/02B22C9/04B22C9/10B29C41/22B29C67/241
    • A process for producing a resin model for use in lost wax precious casting, comprising at least a hardened resin layer forming step of injecting two-pack reaction hardening type urethane resin solution (A) of 1 to 3 minutes of a working life, through a casting port (4) of a resin model forming mold (2) furnished with internal space (3) whose configuration is identical with that of product, into the internal space (3) in a volume amounting to 5 to 20% of the volume of the internal space (3), closing the casting port (4) and rotating the resin model forming mold (2); a resin model forming step of repeating the hardened resin layer forming step 3 to 6 times at intervals of 3 to 4 minutes so as to effect laminating of hardened resin layers (11), thereby obtaining resin model (12) having internal space (30) provided at a core region thereof; and a demolding the resin model (12) from the resin model forming mold (2).
    • 一种制造用于失蜡珍贵铸件的树脂模型的方法,至少包括通过以下步骤注入双组分反应硬化型聚氨酯树脂溶液(A)1至3分钟的硬化树脂层形成步骤: 将具有与产品相同构造的内部空间(3)的树脂模型成形模具(2)的铸造口(4)以体积的5〜20%的体积分配到内部空间(3)中 内部空间(3),关闭铸造口(4)并旋转树脂模制成型模具(2); 树脂模型形成步骤,以3〜4分钟的间隔重复硬化树脂层形成工序3〜6次,以实现硬化树脂层(11)的层压,从而获得具有内部空间(30)的树脂模型(12) 设置在其核心区域; 以及从树脂模制成型模具(2)将树脂模型(12)脱模。
    • 5. 发明授权
    • Liquid discharge head and method for manufacturing liquid discharge head
    • 液体排出头及液体排出头的制造方法
    • US08733907B2
    • 2014-05-27
    • US13701187
    • 2011-05-16
    • Akio SaitoHiromitsu Morita
    • Akio SaitoHiromitsu Morita
    • B41J2/045
    • B41J2/14201B41J2/14209B41J2/1429B41J2/1607B41J2/1615B41J2/1632B41J2/1634B41J2002/14491Y10T29/49401
    • A liquid discharge head includes piezoelectric members including: a pressure chamber applying a pressure for discharging liquid to liquid; a first electrode provided on an inner surface side of the pressure chamber; and a second electrode provided outside the pressure chamber, the piezoelectric members being arranged in a first direction intersecting with an ink flow direction and in a second direction crossing the ink flow direction and the first direction so that the flow directions of the liquid flowing through the pressure chamber of the piezoelectric members are arranged along one another. The head includes first common wiring lines connected to the first electrodes arranged in the first direction; and second common wiring lines connected to the second electrodes 23 arranged in the second direction. The first common wiring lines are arranged in the second direction and the second common wiring lines are arranged in the first direction.
    • 液体排出头包括压电部件,包括:压力室,其施加用于将液体排出液体的压力; 设置在所述压力室的内表面侧的第一电极; 以及设置在所述压力室外部的第二电极,所述压电部件沿与油墨流动方向交叉的第一方向和与所述油墨流动方向和所述第一方向交叉的第二方向布置,使得流过所述油墨流动方向的液体的流动方向 压电部件的压力室彼此配置。 头包括连接到沿第一方向布置的第一电极的第一公共布线; 以及连接到沿第二方向布置的第二电极23的第二公共布线。 第一公共布线沿第二方向布置,第二公共布线布置在第一方向上。
    • 6. 发明授权
    • Decomposing system for polyisocyanate residues, and start-up method for the same
    • 多异氰酸酯残留分解体系及其启动方法
    • US07875253B2
    • 2011-01-25
    • US11988678
    • 2006-07-12
    • Tadashi YoshidaYasumichi OotoAkio Saito
    • Tadashi YoshidaYasumichi OotoAkio Saito
    • B01J8/00B01J8/08C07C211/00
    • C08J11/14C08J2375/00Y02W30/704Y10S422/901
    • An object of the invention is to provide a decomposing system for polyisocyanate residues that is capable of suppressing reaction of polyisocyanate residues with high temperature and high pressure water to allow smooth start-up of the operation, and a start-up method for the decomposing system for the polyisocyanate residues. The decomposing system is used for hydrolyzing the polyisocyanate residues to polyamine using high temperature and high pressure water, comprising a hydrolyzer, a water feed pipe connected to the hydrolyzer, a residual feed pipe connected to the water feed pipe, a solvent feed line for filling an organic solvent in a solvent filling portion of the residual feed pipe, and a solvent draining line. Upon start-up of the operation, the organic solvent is previously filled in the solvent filling portion via the solvent feed line and the solvent draining line, first, and then, the high temperature and high pressure water is fed from the water feed pipe to the hydrolyzer. Then, the organic solvent is fed from the residual feed pipe to the water feed pipe, first, and then, the polyisocyanate residues are fed thereto.
    • 本发明的目的是提供一种能够抑制多异氰酸酯残留物与高温高压水反应以使操作顺利启动的多异氰酸酯残留分解系统,以及分解系统的启动方法 对于多异氰酸酯残基。 分解系统用于使用高温高压水将多异氰酸酯残基水解成多胺,包括水解器,连接到水解器的给水管,连接到给水管的残余进料管,用于填充的溶剂进料管 剩余进料管的溶剂填充部分中的有机溶剂和溶剂排出管线。 在操作开始时,首先通过溶剂供给管线和溶剂排出管路先将有机溶剂填充到溶剂填充部分中,然后将高温高压水从供水管供给到 水解产物。 然后,将有机溶剂从剩余进料管供给到给水管,首先,向其中供给多异氰酸酯残渣。