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    • 22. 发明申请
    • Process for production of uv-curable liquid polyurethane resin
    • 紫外可固化液体聚氨酯树脂的生产工艺
    • US20060194938A1
    • 2006-08-31
    • US10552236
    • 2004-04-07
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • C08G18/00
    • H04N5/782C08F290/067C08G18/672C09D175/16H04N7/0887H04N21/235H04N21/4147H04N21/435H04N21/4383H04N21/462H04N21/47214C08G18/6644
    • (A) a polycarbonatediol, (B) a trifunctional alcohol, and (C) a diisocyanate are subjected to reaction in the presence of (D) a (meth)acrylate compound represented by the general formula CH2═CRCO(OCnH2n)pR′ or CH2═CRCO(OCmH2m)qOCOCH═CH2, and (E) a di(meth)acrylate compound of alkylene glycol whose alkylene group is substituted as a lower alkyl group, and then (F) a hydroxyl group-containing (meth)acrylate is added to the resulting solution of urethane oligomers in (meth)acrylate to conduct terminal (meth)acrylating reaction of the urethane oligomers, thereby producing a UV-curable liquid polyurethane resin having a viscosity (25° C.) of preferably 150,000-1,000,000 mPa·s, where before or after the terminal (meth)acrylating reaction of the urethane oligomers (G) a photopolymerization initiator and (H) a hindered phenol-based antioxidant having a molecular weight of 500-2,000 are added thereto to form the UV-curable liquid polyurethane resin. The TV-curable liquid polyurethane resin can produce HDD gaskets, etc. in a cross-sectional shape with a good sealability by an automatic coating robot efficiently.
    • (A)聚碳酸酯二醇,(B)三官能醇和(C)二异氰酸酯在(D)由通式CH 2(2)表示的(甲基)丙烯酸酯化合物的存在下进行反应, -CRCO(OC n H 2n)R'或CH 2 -CRCO(OC m) (E)二(甲基)丙烯酸亚烷基二醇的二(甲基)丙烯酸酯化合物,其亚烷基 取代为低级烷基,然后向(甲基)丙烯酸酯中的氨基甲酸酯低聚物溶液中加入(F)含羟基的(甲基)丙烯酸酯,进行氨基甲酸酯低聚物的末端(甲基)丙烯酸酯化反应, 从而生产粘度(25℃)优选为150,000-1,000,000mPa.s的UV可固化液体聚氨酯树脂,其中在氨基甲酸酯低聚物(G)为光聚合引发剂的末端(甲基)丙烯酸酯化反应之前或之后,和 H)分子量为500〜2000的受阻酚系抗氧化剂 以形成UV可固化液体聚氨酯树脂。 电视可固化液体聚氨酯树脂可以通过自动涂布机器人有效地生产具有良好密封性的横截面形状的HDD垫片等。
    • 25. 发明授权
    • Robot arm mechanism and robot apparatus
    • US07040852B2
    • 2006-05-09
    • US10421834
    • 2003-04-24
    • Hiroki MoriTetsuya WatanabeChohei Okuno
    • Hiroki MoriTetsuya WatanabeChohei Okuno
    • B25J18/00
    • B25J9/1065H01L21/67739Y10S414/13Y10T74/20329
    • Herein disclosed is a robot arm mechanism comprising: a first handling member for supporting and handling a first object; a second handling member for supporting and handling a second object; a first robot arm including a first arm link and a second arm link, the first end portion of the second arm link being pivotably connected to the second end portion of the first arm link, and the second end portion of the second arm link being connected to the first handling member to allow the first handling member to support the first object in a stable condition; a second robot arm including a first arm link and a second arm link, the first end portion of the second arm link being pivotably connected to the second end portion of the first arm link, the second arm link being inclined with respect to the second arm link of the first robot arm at a preset angle defined between the central line of the second arm link of the second robot arm and the central line of the second arm link of the first robot arm, and the second end portion of the second arm link being connected to the second handling member to allow the second handling member to support the second object in a stable condition; a robot arm moving mechanism for allowing one of the first arm links and of the first and second robot arms to be angularly moved with respect to the other of the first arm links of the first and second robot arms; and an angle keeping mechanism for keeping substantially fixed the preset angle defined between the central line of the second arm link of the second robot arm and the central line of the second arm link of the first robot arm as one of the first arm links of the first and second robot arms is angularly moved with respect to the other of the first arm links of the first and second robot arms.
    • 29. 发明授权
    • Exhaust emission control device of internal combustion engine
    • US06463734B1
    • 2002-10-15
    • US09651653
    • 2000-08-30
    • Yasuki TamuraOsamu NakayamaTetsuya WatanabeKazuhito Kawashima
    • Yasuki TamuraOsamu NakayamaTetsuya WatanabeKazuhito Kawashima
    • F01N300
    • F01N3/0842F01N3/0814F01N3/101F01N11/00F01N11/002F01N13/009F01N13/0093F01N13/0097F01N2550/02F01N2550/03F01N2560/026F02D41/0235F02D41/0275F02D41/1446F02D2200/0804Y02T10/22Y02T10/47
    • An exhaust emission control device of an internal combustion engine, which purifies exhaust gas exhausted from the internal combustion engine, comprises: a catalyst device composed of a three way catalyst for purifying harmful substance in the exhaust gas when an exhaust air-fuel ratio is substantially stoichiometrical and an NOx catalyst having a function of absorbing NOx in the exhaust gas when the air-fuel ratio is closer to a lean air-fuel ratio than to the stoichiometrical air-fuel ratio, the catalyst device being provided in an exhaust passage of the internal combustion engine; catalyst deterioration determination means for determining deterioration state of the catalyst device, the deterioration resulting from at least temperature; and control means for deteriorating exhaust gas components flowing into the catalyst device much more than exhaust gas components flowing into the catalyst device when an air-fuel ratio of a mixture supplied to the internal combustion engine is substantially stoichiometrical, if the catalyst deterioration determination means determines that the catalyst device is in a predetermined deterioration state. The deterioration of an NOx absorbing function of the NOx catalyst results from at least the destabilization of absorbing material in the NOx catalyst, which is caused by the rise in the temperature. Thus, if the catalyst deterioration determination means determines that the catalyst device is in the predetermined deterioration state, the exhaust gas components flowing into the catalyst device are deteriorated much more than the exhaust gas components flowing into the catalyst device when the air-fuel ratio of the mixture supplied to the internal combustion engine is substantially stoichiometrical. Therefore, CO, H2, NOx, O2, THC and the like are supplied to the absorbing material to thereby stabilize the absorbing material as carbonate, nitrite or acid oxide. This prevents the heat deterioration. This extends a heat-resisting life of the catalyst device, and prevents the deterioration of an exhaust gas characteristic and the increase in cost.