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    • 2. 发明授权
    • Automatic casting apparatus
    • 自动铸造设备
    • US3877507A
    • 1975-04-15
    • US44601374
    • 1974-02-26
    • FISCHER AG GEORG
    • HURTER FRITZHOLLENSTEIN HANS
    • B22D3/00B22D37/00B22D39/04B22D45/00B22D39/00
    • B22D39/04
    • Automatic casting apparatus wherein a measured quantity of molten casting material may be provided in casting molds by operation of a weighing mechanism which controls dispensing of the casting material from a stopper ladle into a casting ladle. The invention is particularly directed to an improved weighing mechanism which operates in association with a tipping mechanism for the casting ladle which is pivotally mounted upon a pair of balance beams extending from the weighing mechanism. Measuring elements are located within the weighing mechanism and control elements operatively associated with the weighing mechanism determine dispensing of a measured quantity of molten material from the stopper ladle into the casting ladle.
    • 自动铸造装置,其中可以通过操作称量机构在铸造模具中设置测量量的熔融铸造材料,所述称重机构控制将铸造材料从塞子浇包分配到铸造浇包中。 本发明特别涉及一种改进的称重机构,该称重机构与用于浇铸钢包的倾卸机构相关联地操作,该倾倒机构可枢转地安装在从称重机构延伸的一对平衡梁上。 测量元件位于称重机构内,并且与称重机构可操作地相关联的控制元件确定将测量量的熔融材料从塞子浇包分配到铸造浇包中。
    • 3. 发明授权
    • Pipe cleaning and priming apparatus
    • 管道清洁和装置
    • US3851617A
    • 1974-12-03
    • US39608473
    • 1973-09-10
    • FISCHER AG GEORG
    • USAB M
    • B05C17/00B05B9/04B08B9/00B29C65/00B05C11/00
    • B29C66/02B29C65/482B29C66/542
    • Apparatus for cleaning and/or priming the outside and inside surfaces of a pipe and fitting or other hollow cylindrical object for a predetermined distance from the ends thereof. The apparatus includes a pair of annular cleaning pads connected to relatively movable body sections, a first pad being adapted to contact the inside surface of a fitting and a second pad being adapted to contact the outside surface of a pipe. The apparatus also includes a standard pressurized can for containment of a primer fluid and means for permitting fluid communication between the can and the annular pads to provide such pads with the fluid material for priming the surfaces of the pipe and fitting.
    • 用于清洁和/或起动管子和配件或其它中空圆柱形物体的外表面和内表面距离其端部预定距离的装置。 该装置包括连接到相对可移动的主体部分的一对环形清洁垫,适于接触配件的内表面的第一垫和适于接触管的外表面的第二垫。 该装置还包括用于容纳底漆流体的标准加压罐和用于允许罐与环形垫之间的流体连通的装置,以为垫提供流体材料,用于灌注管和配件的表面。
    • 4. 发明授权
    • Apparatus for cooling or drying pourable material
    • 冷却或干燥可燃材料的设备
    • US3837092A
    • 1974-09-24
    • US35566473
    • 1973-04-30
    • FISCHER AG GEORG
    • MAYER O
    • B22C5/08F26B17/12F26B17/14F28C3/14
    • B22C5/08F26B17/122F26B17/1425F26B2200/14F28C3/14
    • Pourable material is introduced into the upper end of a tank and moves downwardly about a centrally arranged feed pipe perforated along its length for introducing a gaseous medium into the material, and the material is removed from the bottom of the tank. Horizontally arranged, vertically spaced ring discs are located outwardly from the feed pipe and inwardly from the tank so that the downwardly moving pourable material enters between adjacent ring discs and forms a frusto-conically shaped layer of material. By varying the cross sectional size of the openings in the feed pipe and/or varying the size and/or spacing of the ring discs the treatment of the pourable material by the gaseous medium can be varied.
    • 将可浇注材料引入罐的上端,并沿其长度穿孔的中心布置的进料管向下移动,以将气态介质引入材料中,并且将材料从罐的底部移除。 水平布置的垂直间隔的环形圆盘从进料管向外设置并且从罐中向内定位,使得向下移动的可倾倒材料进入相邻的环形圆盘之间并形成截头圆锥形的材料层。 通过改变进料管中的开口的横截面尺寸和/或改变环形盘的尺寸和/或间隔,可以改变气态介质对可倾倒材料的处理。
    • 5. 发明授权
    • Method for the introduction of volatile additives into a melt
    • 将挥发性添加剂引入熔体的方法
    • US3666449A
    • 1972-05-30
    • US3666449D
    • 1969-01-22
    • FISCHER AG GEORG
    • ALT ANTON
    • C21C1/10C21C1/08C21C7/02
    • C21C1/10
    • INTRODUCTION OF VAPORIZABLE ADDITIVES, SUCH AS MAGNESIUM, INTO AN IRON MELT IN WHICH THE VAPORAZATION IS INITIATED BY A TILTING MOVEMENT OF A TREATMENT VESSEL. THE VAPORIZABLE MATERIAL IS CONTAINED IN A SEPARATE CONPARTMENT WHICH CAN BE EXTERNALLY CHARGED AND WHICH, IN ONE POSITION OF THE VESSEL SEGREGATES THE ADDITIVE FROM HTE MELT, BUT ON TILTING THE VESSEL, PERMITS COMMUNICATION WITH THE MELT THROUGH OPENINGS LOCATED A DIFFERENT LEVELS. THE VAPOR BUBBLES FORMED ASCEND THROUGH THE MELT WITH SUCH A SIZE AND IN SUCH A NUMBER THAT AT LEAST A PORTION OF THE BUBBLES ESCAPE FROM THE SURFACE OF THE MELT. THE VAPOR BUBBLES HAVE A GREAT SURFACE AREA TO PROVIDE, FOR EXAMPLE WITH MAGNESIUM, A YIELD OF AT LEAST 30% AND PREFERABLY MORE THAN 40% OF THE ADDITIVE IN THE MELT WHILE THE VELOCITY OF THE ASCENDING VAPOR BUBBLES IS SUCH AS TO PRODUCE A FLUSHING ACTION ON THE MELT RESULTING IN A REDUCTION OF THE REACTION PRODUCTS AND RESIDUAL UNDESIRABLE IMPURITIES IN THE MELT.
    • 将可蒸发的添加剂如镁引入铁熔体中,其中通过处理容器的倾斜运动引发蒸发。 可蒸发材料包含在可以被外部装料的单独的隔室中,并且在容器的一个位置中,将添加剂从熔体中分离,但是在容器倾斜时,允许通过位于不同水平的开口与熔体连通。 形成的蒸汽泡通过熔体以这样的数量上升,使得至少一部分气泡从熔体的表面逸出。 蒸汽气泡具有很大的表面积,以提供例如镁,在熔体中的添加剂的产率至少为30%,优选大于40%,而上升蒸气泡的速度要产生冲洗 对熔体的作用导致反应产物的减少和熔体中残留的不希望的杂质。