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    • 1. 发明授权
    • Oxide ceramic sintered bodies
    • 氧化陶瓷烧结体
    • US5731251A
    • 1998-03-24
    • US753603
    • 1996-11-27
    • Yukio Kishi
    • Yukio Kishi
    • C04B35/46C04B35/645
    • C04B35/6455C04B35/46
    • A titania ceramic body consists of a surface thereof not exceeding 35 pores per square millimeter. The titania ceramic body is made by preparing a titania powder having a purity of at least 99.8 wt % titania and an average particle diameter of 0.5 .mu.m, compacting the powder, sintering a compact at a temperature in the range for 1000.degree. to 1300.degree. C. in air or in a non-air surrounding gas under ordinary pressure to produce a sintered body, hot isostatic pressing treating the sintered body in argon at a temperature of from 800.degree. C. to below temperature carried out in above sintering step under pressure of at least 500 kg/cm2, and then grinding and polishing the hot isostatic pressing treated body.
    • 二氧化钛陶瓷体由其每平方毫米不超过35个孔的表面组成。 二氧化钛陶瓷体通过制备纯度为至少99.8重量%的二氧化钛和平均粒径为0.5微米的二氧化钛粉末,压实粉末,在1000-1300℃的温度下烧结成型体 在空气中或在常压下的非空气环境中生产烧结体,在压力下在800℃以上的烧结步骤中在氩气中将烧结体进行热等静压处理 至少500kg / cm2,然后研磨和抛光热等静压处理体。
    • 2. 发明授权
    • Compositions for low heat cements
    • 低热粘结剂组合物
    • US5547505A
    • 1996-08-20
    • US452644
    • 1995-05-25
    • Kazuya NakatsuTakaharu GotoToru HigakiHideki EndoSatoru HiroseYukinori Yamazaki
    • Kazuya NakatsuTakaharu GotoToru HigakiHideki EndoSatoru HiroseYukinori Yamazaki
    • C04B7/345C04B7/02
    • C04B7/345C04B2103/0089
    • Compositions for low heat cements developed especially for massive concrete works and which exhibit a compressive strength/heat of hydration ratio of at least 7.0 at the age of 13 weeks. One of two inventions provides a powder prepared by mixing CaO, SiO.sub.2, and Al.sub.2 O.sub.3 materials, melting the mixture, quenching the melt, and grinding the quenched matter, the powder being composed mainly of amorphous substances and chemically having a CaO/SiO.sub.2 (molar ratio) of 0.8-1.5 and an Al.sub.2 O.sub.3 content of no more than 10 wt. %. The other invention provides a mixed powder comprising no less than 70 wt. % of a powder and no more than 30 wt. % of an addition (portland cement or the like), the powder being the same as that of the first invention in both predominance of amorphous substances and CaO/SiO.sub.2 (molar ratio) excepting the Al.sub.2 O.sub.3 content which is less than 12 wt. % in the second invention.
    • 用于低热粘结剂的组合物特别用于大规模混凝土工程,并且在13周龄时具有至少7.0的抗压强度/水合比热。 两种发明之一提供了通过混合CaO,SiO 2和Al 2 O 3材料制备的粉末,熔化混合物,淬火熔体和研磨淬火物质,该粉末主要由无定形物质组成,化学上具有CaO / SiO 2(摩尔比 )为0.8-1.5,Al2O3含量不超过10重量%。 %。 另一发明提供了一种混合粉末,其含有不少于70wt。 %的粉末和不超过30wt。 %的添加剂(波特兰水泥等),除了小于12重量%的Al 2 O 3含量之外,除了无定形物质和CaO / SiO 2(摩尔比)外,粉末与第一发明相同。 %。
    • 5. 发明授权
    • Method for manufacturing oxide ceramic sintered bodies
    • 氧化陶瓷烧结体的制造方法
    • US5665663A
    • 1997-09-09
    • US554098
    • 1995-11-06
    • Yukio Kishi
    • Yukio Kishi
    • C04B35/46C04B35/64C04B35/645
    • C04B35/46C04B35/64C04B35/6455
    • An oxide ceramic sintered body of a single component having a purity of at least 99% by weight of titania and a surface with a plurality of pores therein not exceeding 100 pores per square millimeter. The sintered ceramic body is made by preparing a raw titania powder having a purity of at least 99% titania by weight and an average maximum particle diameter of 1 .mu.m, compacting the titania powder to produce a compact, sintering the compact at a temperature in the range of about 1000.degree. C. to about 1300.degree. under ordinary pressure in air, or an inert or reducing atmosphere. The sintered ceramic body may be hot isostatic pressure treated below the sintering temperature in an inert atmosphere under a pressure of at least 500 kg/cm.sup.2 to further reduce the number of pores in the surface. The number of pores in the surface is determined by pressing the sintered ceramic body in sliding contacting engagement with a polishing buff sprinkled with carbon black so that the carbon black is forced into the pores to produce black spots on the surface representing the pores, and thereafter counting the black spots by inspecting the surface under a microscope to determine the number of pores.
    • 具有至少99重量%的二氧化钛的纯度的单一成分的氧化物陶瓷烧结体以及其中具有多个孔的表面不超过100个每平方毫米的孔。 烧结陶瓷体是通过制备纯度为至少99重量%的二氧化钛和平均最大粒径为1μm的原料二氧化钛粉末制成的,压制二氧化钛粉末以制备成型体,在压缩温度 在常压下在空气中,或惰性或还原气氛中约1000℃至约1300℃的范围。 烧结陶瓷体可以在惰性气氛中在至少500kg / cm 2的压力下在烧结温度以下进行热等静压处理,以进一步减少表面中的孔数。 通过将烧结陶瓷体与喷洒有炭黑的抛光缓冲液滑动接触接合来确定表面中的孔数,使得炭黑被迫进入孔中,在表示孔的表面上产生黑点,之后 通过在显微镜下检查表面来计算黑斑以确定毛孔的数量。
    • 6. 发明授权
    • Article sorting device
    • 文章分拣装置
    • US4941561A
    • 1990-07-17
    • US399325
    • 1989-08-28
    • Keiji YamabeMasao Yoshinaga
    • Keiji YamabeMasao Yoshinaga
    • B07C5/36B65G17/00B65G17/06B65G47/28B65G47/64B65G47/46
    • B65G17/005B65G2201/02
    • In an article sorting device equipped with a pair of endless chains that are arranged facing with each other, and are constructed so as to be driven to rotate in the same direction; a plurality of article conveying boards that are mounted on the endless chains in a condition slidable in a direction perpendicular to the direction in which the pair of endless chains are driven, with sorting pins attached to the bottom surface of each of the boards; and a pair of sorting members that enter the moving paths of the sorting pins, and guide the subsequent sorting pins in predetermined directions; the article sorting device characterized in that a downward slanted part is provided at each end part that traverses the moving path of the sorting pin of the sorting members, the upper edges of the slanted parts are formed in a wedge shape, and the lower end parts of the sorting pins that correspond to the slanted parts of the sorting members are formed in a conical form.
    • 在配备有相对配置的一对环状链条的物品分拣装置中,构成为被驱动而沿同一方向旋转; 多个物品传送板,其安装在环形链条上,在与所述一对环形链条的驱动方向垂直的方向上可滑动的状态,分配销连接在每个板的底面上; 以及一对分选构件,其进入分拣销的移动路径,并且在预定方向上引导随后的分拣销; 所述物品分选装置的特征在于,在贯穿所述分拣构件的分拣销的移动路径的各端部设置向下倾斜部,所述倾斜部的上边缘形成为楔形,所述下端部 对应于分选构件的倾斜部分的分拣销形成为圆锥形。