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    • 3. 发明授权
    • Mouth guard and sheet for mouth guard
    • 口罩和嘴巴护and
    • US07182086B2
    • 2007-02-27
    • US10479162
    • 2002-05-29
    • Yukihiro FujiedaKazuaki TakadaKoichi WadaMiyuki KaneyamaKoji Inai
    • Yukihiro FujiedaKazuaki TakadaKoichi WadaMiyuki KaneyamaKoji Inai
    • A61C5/14C08F12/08
    • C08L53/025A63B71/085C08F297/046C08L53/00C08L53/005C08L53/02C08L2666/24
    • A mouth guard which is excellent in impact absorbability and durability, is thin and has good fittability, and is able to easily chew thereupon, and does not give vomiting feel; and a sheet for mouth guard which is suitable for producing the mouth guard. The mouth guard or the sheet for mouth guard comprises at least one block copolymer selected from the group consisting of a block copolymer (a-1) comprising polymer blocks A made of a vinyl aromatic compound, and polyisoprene blocks B having a content of 1,2-bonds and 3,4-bonds of 40% by mol or more; a block copolymer (a-2) comprising polymer blocks A, and polymer blocks C which contain an isoprene unit and a butadiene unit in a ratio of from 5/95 to 95/5 (% by weight) and have a content of 1,2-bonds and 3,4-bonds of 40% by mol or more; and a block copolymer (a-3) comprising polymer blocks A, and polybutadiene blocks D having a content of 1,2-bonds of 60% by mol or more, wherein a content of vinyl aromatic compound units in each of the copolymers is from 10 to 40% by weight, and a hydrogenated product thereof (b-1) to (b-3).
    • 冲击吸收性和耐久性优异的口罩,薄且具有良好的贴合性,能够容易地咀嚼,不产生呕吐感; 和一个适合生产口罩的口罩护板。 口罩或用于口罩的片材包含至少一种选自包含由乙烯基芳族化合物制成的聚合物嵌段A的嵌段共聚物(a-1)和含量为1的聚异戊二烯嵌段B的嵌段共聚物, 2键和3,4键为40摩尔%以上; 包含聚合物嵌段A的嵌段共聚物(a-2)和含有比例为5/95〜95/5(重量%)且含量为1的异戊二烯单元和丁二烯单元的聚合物嵌段C, 2键和3,4键为40摩尔%以上; 和包含聚合物嵌段A的嵌段共聚物(a-3)和1,2-键的含量为60摩尔%以上的聚丁二烯嵌段D,其中,各共聚物中的乙烯基芳香族化合物单元的含量为 10〜40重量%,其氢化物(b-1​​)〜(b-3)。
    • 7. 发明授权
    • Electromagnetic guidance system
    • 电磁引导系统
    • US4079803A
    • 1978-03-21
    • US756865
    • 1977-01-04
    • Kazuaki TakadaHisao Hanmura
    • Kazuaki TakadaHisao Hanmura
    • B62D1/28G05D1/02B60K27/06
    • G05D1/0265B62D1/28
    • A bogie is provided with a center detection coil, a right-hand detection coil and a left-hand detection coil in order to make the vehicle to run automatically along an electro-magnetic induction line installed in a running path in dependence on a steering signal produced by composing a vector of a voltage induced in the center detection coil by the magnetic flux generated by the induction line and a vector of selected one of the induced voltages of the right-hand and the left-hand detection coil. A correcting circuit is provided to produce a correcting voltage signal added to the steering signal so that the latter signal becomes zero when the center detection coil is positioned directly above the induction line.
    • 转向架设置有中心检测线圈,右侧检测线圈和左侧检测线圈,以便使车辆沿着安装在行驶路径上的电磁感应线自动运行,这取决于转向信号 通过由感应线产生的磁通和由右手和左手检测线圈的感应电压中选择的一个的矢量构成在中心检测线圈中感应的电压的矢量而产生的。 提供校正电路以产生添加到转向信号的校正电压信号,使得当中心检测线圈位于感应线的正上方时,后一信号变为零。