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    Sound-absorbing material, production method of the same, and sound-absorbing-panel
    1.
    发明公开
    Sound-absorbing material, production method of the same, and sound-absorbing-panel 审中-公开
    Schallabsorbierendes材料，Herstellungsverfahrendafürund schallabsorbierende Platte

    公开(公告)号：EP1837861A2

    公开(公告)日：2007-09-26

    申请号：EP07005918.3

    申请日：2007-03-22

    申请人： YAMAHA CORPORATION ,  The University of Tokushima

    发明人： Hiraku, Tatsuya ,  Nakaya, Takao ,  Tada, Yoshihiro

    IPC分类号： G10K11/16

    CPC分类号： G10K11/172

    摘要： In order to provide a sound-absorbing material and a sound-absorbing panel which can be produce at a low-cost and have excellent beauty or appearance and excellent sound-absorbing characteristics, the sound-absorbing material is applied which is made from a metallic plate member (2), and multiple pierced apertures of 200 µ m or smaller diameter are arranged along a board thickness on the plate-shaped member (2).

    摘要翻译： 为了提供能够以低成本制造且具有优异的美观或外观以及优异的吸音特性的吸声材料和吸声板，应用吸音材料，其由金属制成 板构件（2），并且沿着板状构件（2）上的板厚布置具有200μm或更小直径的多个穿孔。

    Method of forming a wooden mold as well as wooden structure, vehicle interior material, and acoustic structure processed by the method
    7.
    发明公开
    Method of forming a wooden mold as well as wooden structure, vehicle interior material, and acoustic structure processed by the method 有权
    一种制备一个木模的，木质结构，车辆的内饰材料和处理由该方法的声学结构的过程

    公开(公告)号：EP1908562A2

    公开(公告)日：2008-04-09

    申请号：EP07013389.7

    申请日：2007-07-09

    申请人： YAMAHA CORPORATION

    发明人： Hiraku, Tatsuya ,  Kirihara, Tomoko

    IPC分类号： B27K3/15 ,  B27D1/08 ,  B27H1/00

    CPC分类号： B27K3/15 ,  B27D1/08 ,  B27H1/00 ,  B27M1/02 ,  C08L33/08 ,  C08L97/02 ,  Y10T428/662

    摘要： A method of forming a wooden mold may include, but is not limited to, the following processes. A resin solution may be impregnated into at least one wood board thereby forming at least one resin-impregnated wood board. The resin solution may include a resin component. The resin component may include at least one water-soluble bifunctional acrylic resin and at least one trifunctional or higher-functional acrylic resin. The at least one resin-impregnated wood board may be deformed. The resin component in the at least one resin-impregnated wood board may be cured at the same time or after the at least one resin-impregnated wood board may be deformed.

    摘要翻译： 形成木制模型可以包括的方法，但不限于，以下的处理。 的树脂溶液可被浸渍到至少一个木板由此形成至少一个树脂浸渍的木板。 该树脂溶液可以包含树脂组分。 所述树脂组分可包括至少一种水溶性双官能丙烯酸类树脂和至少一种三官能或更高官能的丙烯酸类树脂。 所述至少一个树脂浸渍过的木材板可能变形。 在所述至少一个树脂浸渍过的木材板用树脂组分可以在同一时间被治愈或至少一个树脂浸渍过的木材板后可能会变形。

    Method of fabricating bow stick of stringed instrument and bow stick of stringed instrument
    9.
    发明公开
    Method of fabricating bow stick of stringed instrument and bow stick of stringed instrument 有权
    Verfahren zur Herstellung eines Bogens eines Saiteninstruments und Bogen eines Saiteninstruments

    公开(公告)号：EP2590160A2

    公开(公告)日：2013-05-08

    申请号：EP12007416.6

    申请日：2012-10-30

    申请人： YAMAHA CORPORATION

    发明人： Yamamoto, Akio ,  Nakai, Kazushi ,  Hiraku, Tatsuya ,  Fukushima, Toshiharu

    IPC分类号： G10D3/16

    CPC分类号： G10D3/16 ,  B29C70/06 ,  B29C70/345 ,  B29C70/42 ,  B29C70/462 ,  B29K2063/00 ,  B29K2067/06 ,  B29K2069/00 ,  B29K2077/00 ,  B29K2081/00 ,  B29K2105/0872 ,  B29K2307/04 ,  B29L2031/758 ,  Y10T29/49574

    摘要： A method of fabricating a bow stick includes winding a prepreg, in which a fiber is impregnated with a resin, on a mandrel with a diameter gradually decreasing toward a distal end, setting a semi-fabricated product, in which the prepreg is wound on the mandrel, into a mold and molding the semi-fabricated product in a shape corresponding to a cavity formed between the mold and the mandrel by heating and pressurizing the semi-fabricated product in the mold, and taking out the mandrel from a molded product molded in the shape corresponding to the cavity to acquire a long and hollow stick body. When adjusting at least one of a weight distribution, a center of gravity, and a weight of the stick body, the volume of the cavity is changed using the mandrel of which the diameter or the diameter variation is gradually changed in an axis direction.

    摘要翻译： 制造弓形棒的方法包括将纤维浸渍有树脂的预浸料坯卷绕在直径朝向末端逐渐减小的心轴上，将预制坯料卷绕在其上的半制品 心轴转入模具中并通过加热和加压模具中的半制品并将模制成型的模制产品从模制产品中模制成对应于在模具和心轴之间形成的空腔的形状的半制品 形状对应于腔体获得长而中空的棒状体。 当调节重量分布，重心和棒体的重量中的至少一个时，使用直径或直径变化在轴向上逐渐变化的心轴来改变空腔的体积。