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194 条记录 (耗时 0.024 秒)

    REFRACTORY FILTER
    4.
    发明申请
    REFRACTORY FILTER 有权

    公开(公告)号：US20220387918A1

    公开(公告)日：2022-12-08

    申请号：US17772766

    申请日：2020-10-29

    申请人： FOSECO INTERNATIONAL LIMITED

    发明人： David BELL

    IPC分类号： B01D39/20 ,  B33Y80/00 ,  B33Y10/00 ,  B28B1/00 ,  B28B11/24 ,  C21C7/00 ,  B01J20/08 ,  B01J20/28 ,  B01J20/30 ,  B01J20/32

    摘要： A refractory filter suitable for filtering molten metal, such as steel, and a method and powdered composition for producing said filter. The filter comprises refractory material, said refractory material comprising: 60-90 wt % alumina; 8-30 wt % zirconia; and 3-20 wt % magnesia. The powdered composition comprises: 60-90 wt % alumina; 8-30 wt % zirconia; and 3-20 wt % magnesia, wherein the powdered composition comprises less than 12.5 wt % reactive alumina, calcined alumina or a mixture thereof, and wherein the remainder of the alumina is tabular alumina. The method comprises: providing a powdered composition in accordance with the invention; forming a filter precursor from the powdered composition and a liquid component; and firing the filter precursor to form a refractory filter.

    Feeder system
    5.
    发明授权
    Feeder system 有权

    公开(公告)号：US10022783B2

    公开(公告)日：2018-07-17

    申请号：US15323557

    申请日：2015-09-02

    申请人： FOSECO INTERNATIONAL LIMITED

    发明人： Christof Volks ,  Harun Öztürk

    IPC分类号： B22C9/08 ,  B22C9/02

    摘要： A feeder system for metal casting comprising a feeder sleeve mounted on a tubular body. The tubular body has a first end and an opposite second end and a compressible portion therebetween so that upon application of a force in use, the distance between the first and second ends is reduced. The feeder sleeve has a longitudinal axis and comprises a continuous sidewall extending generally around the longitudinal axis that defines a cavity for receiving liquid metal during casting, the sidewall having a base adjacent the second end of the tubular body. The tubular body defines an open bore therethrough for connecting the cavity to the casting. The feeder sleeve has at least one cut-out that extends into the sidewall from the base and the second end of the tubular body projects into the cut-out to a fixed depth. The cut-out can be a groove which is separate from the cavity. The invention also resides in a feeder sleeve for use in the system and a process employing the feeder system.

    Feeder element for metal casting
    6.
    发明授权
    Feeder element for metal casting 有权
    金属铸造用进料器

    公开(公告)号：US07500509B2

    公开(公告)日：2009-03-10

    申请号：US10521438

    申请日：2004-10-21

    申请人： Colin Powell ,  Jan Sallstrom ,  Jan Eric Pehrsson

    发明人： Colin Powell ,  Jan Sallstrom ,  Jan Eric Pehrsson

    IPC分类号： B22C9/08

    CPC分类号： B22C9/084

    摘要： The present invention relates to a feeder element (10) for use in metal casting. The feeder element (10) (which serves the function of a breaker core) has a first end (16) for mounting on a mould plate (24), an opposite second end (18) for receiving a feeder sleeve (20) and a bore (14) between the first and second ends (16,18) defined by a sidewall (12). The feeder element (10) is compressible in use whereby to reduce the distance between said first and second ends (16,18).The invention also relates to a breaker core/feeder sleeve assembly (10,20).

    摘要翻译： 本发明涉及一种用于金属铸造的给料器元件（10）。 馈送元件（10）（其用于断路器芯的功能）具有用于安装在模板（24）上的第一端（16），用于接收馈送套筒（20）的相对的第二端（18）和 在由侧壁（12）限定的第一和第二端（16,18）之间的孔（14）。 馈送元件（10）在使用中是可压缩的，从而减小所述第一和第二端（16,18）之间的距离。 本发明还涉及一种断路器芯/馈线套筒组件（10,20）。

    Tundish stopper rod for continuous molten metal casting
    8.
    发明申请
    Tundish stopper rod for continuous molten metal casting 审中-公开
    中间包塞棒用于连续熔融金属铸造

    公开(公告)号：US20060249546A1

    公开(公告)日：2006-11-09

    申请号：US11120181

    申请日：2005-05-03

    申请人： Rodolfo Morales

    发明人： Rodolfo Morales

    IPC分类号： B22D41/16

    CPC分类号： B22D41/186 ,  B22D41/18

    摘要： Stopper rods for the continuous casting of molten metal have a stopper rod body, and a stopper rod tip at a lower end of the stopper rod body. The stopper rod tip defines a frustroconically shaped exterior surface which terminates in a recessed nose. The recessed nose is most preferably a curvilinear surface (e.g., a spherical segment), but non-curvilinear surfaces (e.g., prismatic, pyramidal, triangular, and quadrangular surfaces) may alternatively be employed. The frustroconically shaped exterior surface of the stopper rod tip most preferably forms an angle θ with respect to a horizontal plane which is sufficiently great so as to increase the velocity of the flowing molten metal to reduce the boundary layer thickness thereof adjacent the nozzle and stopper rod tip surfaces so as to minimize the deposition of inclusions thereon. In addition, the angle θ formed by the frustroconically shaped exterior surface is also most preferably sufficiently small so as to not detrimentally affect the lifting force sensitivities of the stopper rod.

    摘要翻译： 用于连续铸造熔融金属的止动杆具有塞杆主体，在止动杆主体的下端具有塞杆末端。 塞棒末端限定了截头锥形的外表面，其终止于凹入的鼻子中。 凹入的鼻子最优选是曲线表面（例如，球形段），但是可以替代地使用非曲线表面（例如，棱柱形，金字塔形，三角形和四边形表面）。 止动杆末端的截头圆锥形的外表面最优选地相对于水平面形成一个足够大的角度θ，以便增加流动的熔融金属的速度以减小邻近喷嘴和塞杆的边界层厚度 尖端表面，以便最小化其上的夹杂物的沉积。 此外，由截头圆锥形外表面形成的角度θ也最优选足够小，以便不会不利地影响塞杆的提升力敏感性。

    Mould for metal casting
    9.
    发明授权
    Mould for metal casting 有权
    金属铸造模具

    公开(公告)号：US06863113B2

    公开(公告)日：2005-03-08

    申请号：US10399690

    申请日：2001-10-31

    申请人： Emad El-Demallawy ,  Sasha Hamdy Radwan

    发明人： Emad El-Demallawy ,  Sasha Hamdy Radwan

    IPC分类号： B22C1/00 ,  B22C1/08 ,  B22C1/10 ,  B22C1/18 ,  B22C9/00 ,  B22C9/02 ,  B22C9/10

    CPC分类号： B22C9/02 ,  B22C1/00 ,  B22C1/18 ,  B22C9/00 ,  B22C9/10 ,  B33Y80/00

    摘要： A process for forming a mould or a core for casting molten metal by machining (e.g. cutting or drilling) to the desired shape a bonded particulate refractory material wherein the shear strength of the refractory particles is less than the shear strength of the bonds between the particles. The preferred particulate is aluminosilicate microspherers (e.g. “flyash floaters”) and the binder is preferably based on silica (e.g. fumed silica/sodium hydroxide). The bonded particulate material is easily machined to form accurately dimensioned moulds or parts thereof.

    摘要翻译： 一种用于通过机械加工（例如切割或钻孔）形成所需形状的粘合颗粒耐火材料来形成模具或芯的方法，其中耐火材料颗粒的剪切强度小于颗粒之间的键的剪切强度 。 优选的颗粒是铝硅酸盐微球体（例如“飞灰浮选机”），并且粘合剂优选基于二氧化硅（例如热解二氧化硅/氢氧化钠）。 粘合的颗粒材料容易加工以形成精确尺寸的模具或其部件。

    Gas dispersion apparatus for molten aluminum refining
    10.
    发明授权
    Gas dispersion apparatus for molten aluminum refining 失效
    用于熔融铝精炼的气体分散装置

    公开(公告)号：US6060014A

    公开(公告)日：2000-05-09

    申请号：US11604

    申请日：1993-02-01

    申请人： John Franklin Pelton

    发明人： John Franklin Pelton

    IPC分类号： C22B21/06 ,  C22B9/05

    CPC分类号： C22B21/064 ,  C22B21/06

    摘要： The maximum useful rate of aluminum refining is substantially increased by the incorporation of baffle means across the refining chamber under the rotor of a spinning nozzle assembly positioned in the refining chamber during aluminum refining operations.

    摘要翻译： 在铝精炼操作期间，通过在位于精炼室中的纺丝喷嘴组件的转子下方的精炼室中并入隔板装置，大大提高了铝精炼的最大有用速率。