会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • Tungsten carbide powder having nano particle size and its manufacturing method
    • 具有纳米颗粒尺寸的碳纳米管粉及其制造方法
    • JP2005335997A
    • 2005-12-08
    • JP2004155623
    • 2004-05-26
    • Allied Material Corp株式会社アライドマテリアル
    • YAMAMOTO RYOJIMIZUKAMI MASAHIKOASADA NOBUAKI
    • C01B32/949C01B31/34
    • PROBLEM TO BE SOLVED: To provide a tungsten powder having an average particle size of 100 nm or smaller from which hard materials such as a cemented alloy, a tungsten carbide sintered material, and a composite ceramic material having a higher hardness and a higher strength can be obtained, and its manufacturing method. SOLUTION: The method of manufacturing a nano particle size tungsten powder for obtaining a tungsten carbide powder, of which the total carbon amount is 6.13±0.30 mass%, the free carbon amount is 0.30 mass% or less, the oxygen amount is 0.7 mass% or less, the iron amount is 200 ppm or less, and the average particle size is 100 nm or smaller; is provided with a first heat treatment process in which a mixture of a micro tungsten oxide (WO 3 or WO 2.90 ) powder and a carbon powder is heated to 1,050-1,200°C in N 2 to be reduced to an intermediate product where W, W 2 C, and WC coexist, and a second heat treatment process in which the above-mentioned intermediate product or an intermediate product subjected to a pulverizing treatment and a mixing treatment is heated to 900-1,300°C in H 2 to be carbonized to the tungsten carbide powder. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供平均粒度为100nm以下的钨粉末,由硬质材料如硬质合金,碳化钨烧结材料和具有较高硬度的复合陶瓷材料制成, 可以获得更高的强度及其制造方法。 解决方案:制备用于获得碳碳化钨粉末的纳米粒度钨粉末的方法,其总碳量为6.13±0.30质量%,游离碳量为0.30质量%以下,氧量为 0.7质量%以下,铁量为200ppm以下,平均粒径为100nm以下。 提供了第一热处理工艺,其中将微量氧化钨(WO 3 / SB>或WO 2.90 )粉末和碳粉末的混合物加热至1050-1200℃ 在N 2 中的C被还原成W,W< SB> C和WC共存的中间产物,以及第二热处理工艺,其中上述中间产物 或将经过粉碎处理和混合处理的中间产物在H SB 2中加热至900-1,300℃以碳化为碳化钨粉末。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Cemented carbide round blade
    • CEMENTED碳化物圆形刀片
    • JP2006218588A
    • 2006-08-24
    • JP2005035460
    • 2005-02-14
    • Allied Material Corp株式会社アライドマテリアル
    • ASADA NOBUAKIAOKI OSAMU
    • B26D1/24
    • PROBLEM TO BE SOLVED: To provide a cemented carbide round blade slitter knife for cutting magnetic tapes excellent in wear resistance and corrosion resistance and processed with high precision. SOLUTION: In the cemented carbide round blade, nitrogen ion is implanted at least in a surface part of its edge to make nitrogen contained in the surface part. For the implantation of nitrogen ion, there exists no film coated with a black film or CVD, etc., at least on the surface part of the edge of the blade and the the surface should be ground or lapped. The implantation amount of nitrogen ion should be 10 20 cm 2 or more and the implantation energy of nitrogen ion should be 15KeV or more. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于切割耐磨性和耐腐蚀性优异并且以高精度加工的磁带的硬质合金圆刀分切刀。 解决方案:在硬质合金圆刀片中,至少在其边缘的表面部分注入氮离子,以使表面部分中含有氮。 对于氮离子的注入,至少在叶片的边缘的表面部分上不存在涂覆有黑色膜或CVD等的膜,并且该表面应该被研磨或研磨。 氮离子的注入量应为10×SP> 20 SP / 2以上,氮离子的注入能量为15KeV以上。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Wc powder and its production method
    • WC粉及其生产方法
    • JP2007269534A
    • 2007-10-18
    • JP2006096460
    • 2006-03-31
    • Allied Material Corp株式会社アライドマテリアル
    • ASADA NOBUAKIMATSUMOTO AKIHIDETAKAGI YASUHIRO
    • C01B32/949B23B27/14C04B35/56C22C29/08
    • PROBLEM TO BE SOLVED: To provide a fine WC powder useful for producing a fine grained cemented carbide, to provide a method for inexpensively producing the same, and to provide the fine grained cemented carbide obtained by using the fine WC powder. SOLUTION: In the WC powder containing 5.10-5.90 mass% bonded carbon, 0.10-0.20 mass% nitrogen, and W 2 C, W 2 C/WC is 0.07-0.88, where the value of W 2 C/WC represents the ratio of the intensity of WC(101) of JCPDS 25-1047 to the intensity of W 2 C(101) of JCPDS 35-0776. The WC powder is obtained by mixing a W-oxide and carbon powder or the W-oxide, a Cr-oxide and carbon powder and then reducing and carbonizing the resulting mixture by heating it in a nitrogen atmosphere. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供可用于生产细粒度硬质合金的细小的WC粉末,以提供廉价的制造方法,并且提供通过使用细小的WC粉末获得的细粒硬质合金。 解决方案:在含有5.10-5.90质量%的粘结碳,0.10-0.20质量%的氮和W 2 C的WC粉末中,W SB C / WC是 0.07-0.88,其中W 2 C / WC的值表示JCPDS 25-1047的WC(101)的强度与W 2 的强度之比 (101)JCPDS 35-0776。 通过将W-氧化物和碳粉末或W-氧化物,Cr-氧化物和碳粉末混合,然后通过在氮气气氛中加热将所得混合物还原和碳化获得WC粉末。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Tungsten carbide powder and method for producing the same
    • 碳化钨粉及其制造方法
    • JP2009242181A
    • 2009-10-22
    • JP2008091774
    • 2008-03-31
    • Allied Material Corp株式会社アライドマテリアル
    • ASADA NOBUAKIMATSUMOTO AKIHIDE
    • C01B32/949B23B27/14C04B35/56
    • PROBLEM TO BE SOLVED: To provide tungsten carbide powder having both of high hardness and high strength (deflective strength) of a sintered hard alloy and to provide a method for producing the tungsten carbide powder. SOLUTION: The tungsten carbide powder satisfies 0.35≤X/Y, Z/Y≤2.85 and 0.20≤Y≤1.20 (wherein X, Y and Z are respectively the values (μm) of D10%, D50% and D90%, which are cumulative percent sizes of a particle size distribution obtained when the particle size of the tungsten carbide powder is measured by a laser diffraction and scattering method). The tungsten carbide powder is obtained by using a mixture of metal tungsten powder or tungsten oxide powder with carbon source powder as a raw material, heating the mixture, crushing the heated mixture in a pneumatic crusher by using a crushing gas of 0.4-0.7 MPa pressure and classifying the crushed mixture by a centrifugal classifier at 4.0-6.0 m 3 /minute classification air flow rate and at 2,200-3,500 m/minute peripheral velocity of the centrifugal classifier. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有硬度高的硬质合金粉末,并且提供碳化钨粉末的制造方法。 解决方案:碳化钨粉末满足0.35≤X/ Y,Z /Y≤2.85和0.20≤Y≤1.20(其中X,Y和Z分别为D10%,D50%和D90%的值(μm) ,其是当通过激光衍射和散射方法测量碳化钨粉末的粒径时获得的粒度分布的累积百分比大小)。 通过使用金属钨粉末或氧化钨粉末与碳源粉末作为原料的混合物来获得碳化钨粉末,加热混合物,使用0.4-0.7MPa压力的破碎气体在气动破碎机中破碎加热的混合物 并通过离心分级机以4.0-6.0m /分钟的分级空气流速和离心分级机的2,200-3,500m /分钟的圆周速度对破碎的混合物进行分级。 版权所有(C)2010,JPO&INPIT