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    • 3. 发明专利
    • Surface treatment method for sliding member, sliding member, mechanical key and portable tool
    • 用于滑动构件,滑动构件,机械钥匙和便携式工具的表面处理方法
    • JP2008031544A
    • 2008-02-14
    • JP2006208871
    • 2006-07-31
    • Tokai Rika Co LtdToyota Central Res & Dev Lab Inc株式会社東海理化電機製作所株式会社豊田中央研究所
    • FUJIOKA NORIEIZUMI ICHIROIGARASHI SHINTAROTACHIKAWA HIDEOSUZUKI KENICHISHIMIZU FUMIOKATO YOSHIO
    • C23C16/27C23C8/24C23C8/36C23C16/503C23C28/04
    • PROBLEM TO BE SOLVED: To provide a surface treatment method for a sliding member where, when a diamond like carbon film comprising silicon is formed on the surface of a base material, not only sliding properties such as wear resistance but also corrosion resistance can be suitably secured, to provide a sliding member, to provide a mechanical key, and to provide a portable tool.
      SOLUTION: On the surface of a sliding member 10, a nitriding layer 12a for securing the adhesion of a DLC-Si film 13 stacked in the following stage is formed, and thereafter, the DLC-Si film 13 is formed on the surface of the nitriding layer 12a by plasma CVD. Then, treatment temperature at this time is controlled to 350 to 430°C. In this way, the formation of a complex compound of chromium, nitrogen and carbon as a compound to form into an obstacle upon the securance of its corrosion resistance can be suppressed. It is generally known that the formation of the complex compound remarkably reduces its corrosion resistance. Thus, not only sliding properties such as low friction properties and wear resistance but also corrosion resistance can be suitably secured.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种滑动部件的表面处理方法,其中当在基材的表面上形成包含硅的类金刚石碳膜时,不仅具有耐磨性等滑动性能,而且耐腐蚀性 可以适当地固定,以提供滑动构件,以提供机械钥匙,并提供便携式工具。 解决方案:在滑动构件10的表面上,形成用于确保后续层叠的DLC-Si膜13的粘附的氮化层12a,然后在DLC-Si膜13上形成DLC-Si膜13 通过等离子体CVD形成氮化层12a的表面。 此时,此时的处理温度控制在350〜430℃。 以这种方式,可以抑制在其耐腐蚀性的保证下形成作为化合物的铬,氮和碳的复合化合物成障碍物。 通常已知复合化合物的形成显着地降低了其耐腐蚀性。 因此,不仅可以适当地确保滑动性能如低摩擦性能和耐磨性,而且耐腐蚀性。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Coated member and manufacturing method therefor
    • 涂层成员及其制造方法
    • JP2008031522A
    • 2008-02-14
    • JP2006206456
    • 2006-07-28
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • SHIMIZU FUMIOIGARASHI SHINTAROSUZUKI KENICHITACHIKAWA HIDEONAKANISHI KAZUYUKIKATO YOSHIO
    • C23C28/04C21D1/06C21D6/00C22C38/00C22C38/40C23C8/02C23C8/26C23C8/38C23C8/50C23C14/48C23C16/26
    • PROBLEM TO BE SOLVED: To provide a coating member having a substrate which shows the same level of corrosion resistance as a base metal, even if the base metal of a stainless steel having an austenite structure has been worked and subjected to nitriding treatment, and to provide a manufacturing method therefor. SOLUTION: The coating member comprises the substrate and an inorganic film which covers at least one part of the surface of the surface layer. The substrate is prepared by nitriding the surface of the surface layer of a wrought material which has been obtained by working the base metal of the stainless steel having the austenite structure; and shows an immersion rest potential nobler than -200 mV when measured under a predetermined condition for the immersion rest potential measurement. The substrate is obtained by the steps of: reducing the strain induced martensite existing in the wrought material in which the strain induced martensite has been produced when the base metal has been worked, or warm-working or hot-working the base metal at a temperature higher than the Md30 of the stainless steel by 30°C or more; and subjecting the wrought material to a nitriding treatment to form a nitrided layer thereon. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供具有与贱金属相同的耐腐蚀性水平的基材的涂层部件,即使具有奥氏体结构的不锈钢的贱金属已经被加工并进行氮化处理 并提供其制造方法。 解决方案:涂层构件包括基材和覆盖表面层表面的至少一部分的无机膜。 通过对具有奥氏体结构的不锈钢的母材进行加工而获得的锻造材料的表面的氮化表面, 并且在用于浸没电位测量的预定条件下测量时,显示出超过-200mV的浸没电位。 通过以下步骤获得基板:当贱金属加工时,减少存在于其中已经产生应变诱发马氏体的锻造材料中的应变诱发马氏体,或在温度下温热或热加工母材 高于不锈钢的Md30 30℃以上; 并对锻造材料进行氮化处理,以在其上形成氮化层。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Low friction sliding member
    • 低摩擦滑动构件
    • JP2007023356A
    • 2007-02-01
    • JP2005209114
    • 2005-07-19
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • MORI HIROYUKISHIMIZU FUMIOIGARASHI SHINTAROTACHIKAWA HIDEOMATSUI MUNEHISAOSHIMA TADASHIIZEKI TAKASHINAKANISHI KAZUYUKI
    • C23C16/27C10M103/02C10M103/06C10N20/00C10N30/06C10N40/02C10N40/25C10N50/08C23C30/00
    • PROBLEM TO BE SOLVED: To provide a low friction sliding member with which the friction between a counterpart member and itself can be lowered even if the surface roughness of a sliding surface is large.
      SOLUTION: The low friction sliding member 1 is constituted of a base material 11 and a sliding layer 21 which is formed on the sliding surface side of the base material 11 and brought into contact with the counterpart member formed in a sliding state. The sliding layer 21 is formed from amorphous carbon containing carbon as a main component, >30 to 2 -hybrid orbital is contained in an amount of 40-70 atomic% in the carbon. As the low friction sliding member 1 has a soft sliding layer 21, a sliding surface 21f can be made smooth by sliding even when the surface roughness of the sliding surface 21f is large. A wear resistant layer 22 formed from amorphous carbon containing hydrogen in an amount lower than that of the hydrogen contained in the amorphous carbon of the sliding layer 21 may be provided between the base material 11 and the sliding layer 21. The wear resistant layer 22 imparts a high wear resistance to the soft, low friction sliding member 1.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种低摩擦滑动构件,即使滑动表面的表面粗糙度大,也可以降低对置构件与其本身之间的摩擦。 解决方案:低摩擦滑动构件1由基材11和滑动层21构成,滑动层21形成在基材11的滑动表面侧上并与形成为滑动状态的配对构件接触。 滑动层21由含有碳为主要成分的无定形碳形成,含有> 30至<50原子%的氢和1.5-20原子%的硅,其中含有sp 2 - 混合轨道的碳 其碳含量为40-70原子%。 由于低摩擦滑动构件1具有柔软的滑动层21,所以即使当滑动面21f的表面粗糙度大时,滑动面21f也能够滑动。 可以在基材11和滑动层21之间设置由非晶碳构成的耐磨层22,该耐磨层22的含量低于滑动层21的无定形碳中含有的氢的量的无定形碳。耐磨层22赋予 对柔软,低摩擦滑动构件1具有高耐磨性。版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Amorphous carbon, amorphous carbon coating film member and method of forming amorphous carbon film
    • 非晶碳,非晶碳涂层薄膜和形成非晶碳膜的方法
    • JP2005187318A
    • 2005-07-14
    • JP2004340860
    • 2004-11-25
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • NAKANISHI KAZUYUKIOSHIMA TADASHIHASEGAWA HIDEOMORI HIROYUKIIZEKI TAKASHITACHIKAWA HIDEOMATSUI MUNEHISA
    • C01B31/02B32B9/00C23C16/26H01L21/205H05H1/24
    • C23C16/26Y10T428/30
    • PROBLEM TO BE SOLVED: To provide soft amorphous carbon having a low elastic modulus, an amorphous carbon coating film member consisting of the amorphous carbon and a method of forming the amorphous carbon film. SOLUTION: The amorphous carbon consists essentially of carbon, contains >30 at% and ≤60 at% hydrogen and has 40 to 150 GPa elastic modulus. The amorphous carbon coating film member consists of a conductive base material 22, and a coating film fixed at least at part of the surface of the base material 22 and consisting of the amorphous carbon. The method of forming the amorphous carbon film comprises forming the amorphous carbon film on the surface of the conductive base material 22 by the plasma CVD method. A plurality of the base materials 22 are arranged so as to face each other on a base material holding tool 21 which is disposed in a film forming furnace 11 and connected to a negative pole. The pressure of treating gas and a plasm power source are operated so that the negative glows 24 of two adjacent base materials 22 overlap each other. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供具有低弹性模量的软无定形碳,由无定形碳组成的无定形碳涂层膜和形成无定形碳膜的方法。 解决方案:无定形碳基本上由碳组成,含有> 30原子%和≤60原子%的氢,并具有40至150GPa的弹性模量。 无定形碳涂膜构件由导电基材22和固定在基材22表面的至少一部分上并由无定形碳构成的涂膜构成。 形成无定形碳膜的方法包括通过等离子体CVD法在导电性基材22的表面上形成无定形碳膜。 多个基材22被布置成在设置在成膜炉11中并连接到负极的基材保持工具21上彼此面对。 操作处理气体和等离子体电源的压力被操作,使得两个相邻基底材料22的负发光体24彼此重叠。 版权所有(C)2005,JPO&NCIPI