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    • 1. 发明授权
    • Coated cutting tool and a process for the production of the same
    • 涂层切割工具和生产过程相同
    • US5915162A
    • 1999-06-22
    • US379624
    • 1995-03-09
    • Katsuya UchinoToshio NomuraHisanori OharaMasuo ChudoMitsunori Kobayashi
    • Katsuya UchinoToshio NomuraHisanori OharaMasuo ChudoMitsunori Kobayashi
    • C23C16/32C23C16/34C23C16/36C23C30/00B22F3/00
    • C23C16/34C23C16/32C23C16/36C23C30/005Y10T428/12049Y10T428/12576
    • This invention relates to a coated cutting tool suitable for high speed cutting working and a process for the production of the same. The feature of the present invention consists in a coated cutting tool comprising a coating layer consisting of an inner layer and outer layer on a surface of a substrate consisting of a cemented carbide such as tungsten carbide-based cemented carbide, etc., the inner layer being composed of a mono-layer of titanium carbonitride in contact with the substrate, a double layer of titanium nitride of 0.1 to 2 .mu.m in thickness, in contact with the substrate, and titanium carbonitride directly above it or a multi-layer provided thereon consisting of titanium carbide, etc., in which the chlorine content in the inner layer is at most 0.05 atom % on average throughout the inner layer, the ratio of the peak intensities of the specified planes in the X-ray diffraction of the above described titanium carbonitride in the specified range and as the inner layer, there are provided coating layers consisting of a first layer of titanium nitride in contact with the substrate and a second layer having a hardness of 160 to 2400 kg/mm.sup.2, and a process for the production of the same. The coated cutting tool of the present invention exhibits a high wear resistance of the coating itself, tenacious adhesiveness of the coating film and substrate and excellent stripping resistance during cutting.
    • PCT No.PCT / JP94 / 00882 Sec。 371日期1995年3月9日 102(e)1995年3月9日PCT PCT 1994年5月31日PCT公布。 WO94 / 28191 PCT出版物 日期1994年12月8日本发明涉及适用于高速切削加工的涂层切削工具及其制造方法。 本发明的特征在于一种涂层切削工具,其特征在于,在由碳化钨类硬质合金等硬质合金构成的基板表面上由内层和外层构成的被覆层,内层 由与基板接触的碳氮化钛单层组成,厚度为0.1〜2μm,与基板接触的双层氮化钛和其上方的碳氮化钛或设置在其上的多层 由碳化钛等构成,其中内层中的氯含量平均在整个内层中为0.05原子%以下,上述X射线衍射中的特定平面的峰值强度的比例 碳氮化钛在特定范围内,并且作为内层,提供由与基板接触的第一氮化钛层和与基板接触的第二层组成的涂层, 硬度为160〜2400kg / mm2,其制造方法为。 本发明的涂层切削工具表现出涂层本身的高耐磨性,涂膜和基材的牢固粘附性和切割期间优异的耐剥离性。
    • 2. 发明授权
    • Electromagnetic actuator and valve-open-close mechanism
    • 电磁执行器和开阀机构
    • US06367433B2
    • 2002-04-09
    • US09731027
    • 2000-12-07
    • Hitoshi OyamaTakao NishiokaKenji MatsunumaHisanori Ohara
    • Hitoshi OyamaTakao NishiokaKenji MatsunumaHisanori Ohara
    • F01L904
    • F01L3/04F01L1/462F01L3/02F01L3/10F01L9/04Y10S977/725Y10S977/777
    • A valve-open-close mechanism is proposed which has parts designed to reduce friction during sliding. The electromagnetic actuator comprises a pair of electromagnets each having a stator and a coil opposed to each other with a gap therebetween, an armature disposed in the gap, and a first stem for transmitting to external the movement of said armature. A retainer and a first return spring are provided on the valve. A second stem is provided at other side of the armature and another retainer and a second return spring are provided for the second stem. A coating film is formed on at least one of the surface or end face of the stem portion of the valve, end faces of the first return spring or second return spring, spring bearing end faces of the retainers, surface or end face of the second stem, and the surface of the armature.
    • 提出了一种阀门开闭机构,其具有旨在减少滑动期间的摩擦的部件。 电磁致动器包括一对电磁体,每个电磁体具有彼此相对的定子和线圈,间隔开的电枢,设置在间隙中的电枢和用于向外部传递所述电枢的运动的第一杆。 在阀上设有保持器和第一复位弹簧。 第二杆设置在电枢的另一侧,为第二杆提供另一保持器和第二复位弹簧。 在阀的杆部的表面或端面中的至少一个上形成涂膜,第一复位弹簧或第二复位弹簧的端面,保持器的弹簧支承端面,第二复位弹簧的表面或端面 杆和电枢的表面。