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    • 2. 发明授权
    • Hydraulic valve
    • 液压阀
    • US07146998B2
    • 2006-12-12
    • US10451639
    • 2002-11-08
    • Hideo NirasawaKeisuke Ito
    • Hideo NirasawaKeisuke Ito
    • G05D11/00
    • G05D16/18F15B2013/008Y10T137/2622Y10T137/2663Y10T137/8671
    • A stepped down groove 53 is provided around the peripheral surface of a rod portion 43 of a spool 40 which faces a third oil groove 33. Both the axial ends 53a and 53b of the stepped down groove 53 are located axially outside of both the axial ends 33a and 33b of the third oil groove 33 at least while the valve is in pressure-adjusting condition. Also, another stepped down groove 52 is provided around a land 42 which faces a first oil groove 31. Both the axial ends 52a and 52b of the stepped down groove 52 come, respectively, to the right and left sides of the axial end 31b of the first oil groove 31 to which end the spool 40 shifts to increase the opening of the oil groove at least while the valve is in pressure-adjusting condition.
    • 在与第三油槽33相对的卷轴40的杆部43的周面的周面的周围设置有下降槽53。 至少在阀处于压力调节状态时,阶梯式凹槽53的轴向端部53a和53b均位于第三油槽33的轴向端部33a和33b的轴向外侧。 另外,在与第一油槽31相对的台肩42的周围设置有另一个下降槽52。 阶梯式下陷槽52的轴向端部52a和52b分别到达第一油槽31的轴向端部31b的左右两侧,在该端部的第一油槽31的端部转动,从而增大开度 至少在阀门处于压力调节状态时油槽。
    • 7. 发明授权
    • Wire for musical instrument string
    • 电线乐器琴弦
    • US5578775A
    • 1996-11-26
    • US175382
    • 1994-01-10
    • Keisuke Ito
    • Keisuke Ito
    • D01F11/12G10D3/10G10D3/00
    • D01F11/127G10D3/10Y10T428/2913Y10T428/2925
    • A string for use on musical instrument is made of a core wire composed of long filaments, sheathed with a thick mantle of a precious metal such as gold, silver, platinum, palladium, copper, or the like, or of other metal (5) having excellent ductility, or of an alloy of these metals, or of a synthetic resin or ceramic. It becomes possible to change the density per unit length, thus to enable the adjustment of sound quality and the attenuation rate, and the selection of the basic vibration frequency. It also becomes possible to adjust the tensile strength of the string, thus to enable the selection of the tensile strength and the density in accordance with the type of the musical instrument which is strung and the type (number) of the string. It also becomes possible to maintain the sound quality of the wound wire for bass strings for a long term, and to take easily countermeasures against abrasion with a partial hardening treatment. Furthermore asset value is created and a colorful, attractive appearance is provided by using precious metals for the material.
    • PCT No.PCT / JP91 / 00911 Sec。 371日期1994年1月10日 102(e)日期1994年1月10日PCT PCT 1991年7月8日PCT公布。 公开号WO93 / 01585 日期:1993年1月21日乐器使用的琴弦是由长丝组成的芯线制成的,其中包括金,银,铂,钯,铜等珍贵金属的厚厚的地幔,或者 具有优异延展性的其它金属(5),或这些金属的合金,或合成树脂或陶瓷的合金。 可以改变每单位长度的密度,从而能够调节声音质量和衰减率以及基本振动频率的选择。 也可以调整弦的拉伸强度,从而能够根据串联的乐器的类型和弦的类型(数量)来选择拉伸强度和密度。 也可以长期保持低音弦线的缠绕线的声音质量,并且容易地采取部分硬化处理对抗磨损的对策。 此外,创造了资产价值,并通过使用贵金属为材料提供了丰富多彩的迷人外观。
    • 10. 发明授权
    • Head member having ultrafine grooves and a method of manufacture thereof
    • 具有超细槽的头部件及其制造方法
    • US06494566B1
    • 2002-12-17
    • US09015468
    • 1998-01-29
    • Toshikazu KishinoKazunori SoroiKeisuke ItoMakoto Ohkubo
    • Toshikazu KishinoKazunori SoroiKeisuke ItoMakoto Ohkubo
    • B41J2045
    • B41J2/1623B41J2/14233B41J2/161B41J2/1637B41J2/1646B41J2002/14258B41J2202/03Y10T29/42Y10T29/49401
    • A printer head member having ultrafine grooves of high density and high precision. In one or more embodiments of the invention, a flat plate made of ceramics, glass, silicon or the like is bonded and integrated to a partition wall made of a powder of ceramics, glass, silicon or the like, obtained by a molding process. The mold used for obtaining the partition includes ultrafine grooves that conform to the shape of a partition. In another embodiment of the invention, a member for passage having high density and high precision is obtained by a molding process. A flat plate made of ceramics, glass, silicon or the like is bonded and integrated to a partition wall made of a powder of ceramics, glass, silicon or the like, using a molding die having one or more fine grooves for forming one or more partition walls, wherein at least a passage is formed between the partition walls. One or more embodiments of the invention are directed to an ink jet printer head including one or more ink chambers, an ejection port communicating with the ink chambers, and a diaphragm for applying pressure to the ink chambers. The diaphragm is formed of conductive inorganic material, and a piezoelectric element bonded to the diaphragm. A driving electrode is formed on the piezoelectric element. The displacement of a piezoelectric element is favorably transmitted to the diaphragm.
    • 一种具有高密度和高精度的超细槽的打印机头部件。 在本发明的一个或多个实施例中,由陶瓷,玻璃,硅等制成的平板与通过模制工艺获得的由陶瓷,玻璃,硅等制成的分隔壁结合并整合。 用于获得隔板的模具包括符合隔板形状的超细槽。 在本发明的另一个实施例中,通过模制工艺获得具有高密度和高精度的用于通道的构件。 将由陶瓷,玻璃,硅等制成的平板用陶瓷,玻璃,硅等粉末形成的隔壁结合并整合,使用具有一个或多个细槽的成形模,形成一个或多个 分隔壁,其中至少在分隔壁之间形成通道。 本发明的一个或多个实施例涉及一种喷墨打印机头,其包括一个或多个墨室,与墨室连通的喷射口以及用于向墨室施加压力的隔膜。 隔膜由导电无机材料形成,并且压电元件结合到隔膜。 驱动电极形成在压电元件上。 压电元件的位移有利地传递到隔膜。