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    • 1. 发明授权
    • Device for making nodular cast iron
    • 制造NODULAR CAST铁的装置
    • US3825240A
    • 1974-07-23
    • US29427372
    • 1972-10-02
    • FISCHER AG GEORG
    • LUSTENBERGER H
    • C21C1/00B22D1/00C21C1/10C21C7/00
    • C21C1/10
    • A device for making nodular cast iron with nodular graphite by introducing metallic magnesium into an iron-carbon melt, includes a drum-shaped treatment vessel with a longitudinal axis. The vessel has an opening for charging and discharging the melt and a chamber is formed within the vessel for supplying magnesium into the melt. Disposed around the opening in the vessel is a collar which extends outwardly from the vessel and the axis of the collar is positioned at an acute angle to the longitudinal axis of the vessel. Further, as the axis of the collar extends outwardly it is inclined toward the opposite end of the vessel which contains the charge chamber. The treatment vessel is pivotally displaceable between three positions, a filling position, a treatment position, and a discharging position. When the vessel is in the filling position its longitudinal axis is horizontal, while in the other two positions its longitudinal axis is approximately vertical. In the filling position, the vessel opening and the charge chamber are located above the longitudinal axis. In the treatment position the charge chamber is located below the opening and their positions are reversed in the discharging position.
    • 2. 发明授权
    • Tension supervisory apparatus for conveyor transport systems detecting breakage or malfunction in a cable or the like
    • 输送机运输系统的张力监控装置检测电缆中的断路或故障
    • US3809832A
    • 1974-05-07
    • US30298172
    • 1972-11-01
    • FISCHER AG GEORG
    • BURGER H
    • B61B12/02B65G23/44E01B25/18B61B11/02
    • B65G23/44
    • The cable or chain of a suspension-type conveyor is guided around a tension sheave, which is movable under influence of a suspended weight, spring or the like with change in loading on the cable to maintain the tension constant. A fluid cylinderpiston arrangement is provided, the piston being connected to the movable sheave, for example by being connected to the weight, and the cylinder being filled with hydraulic fluid, on both sides of the piston, the end of the piston being connected together by a bypass, return line which preferably contains a flow constriction. Upon slow movement of the tension sheave, pressure will always equalize on both sides of the piston over the bypass line; sudden jolts, however, cannot be rapidly equalized and also move the fluid cylinder which is connected to operate a switch upon excursion thereof to control operation of the transport system.
    • 悬挂式输送机的电缆或链条围绕张力滑轮引导,该张力滑轮可以在悬挂重物,弹簧等的影响下移动,并且在电缆上的负载变化以保持张力恒定。 提供了一种流体缸 - 活塞装置,活塞例如通过连接到重物而连接到可动滑轮,并且在活塞的两侧充满液压流体的气缸,活塞的端部被连接 一起通过旁路,优选地包含流动收缩的返回管线。 在张力滑轮缓慢移动时,压力将在旁路管线上的活塞两侧总是相等; 然而,突然的颠簸不能快速平衡,并且还使连接的液压缸移动以在其偏移时操作开关以控制运输系统的操作。
    • 4. 发明授权
    • Apparatus to make cast iron with spheroidal graphite
    • 使用SPHEROIDAL GRAPHITE制造铸铁的装置
    • US3802680A
    • 1974-04-09
    • US23674372
    • 1972-03-21
    • FISCHER AG GEORG
    • ANDERS GWAGLE S
    • C21C1/10C21C7/00
    • C21C1/10
    • To provide controlled access of molten iron to magnesium which is covered with a protective layer, a plug-like body is introduced in contact with the magnesium, extending through the covering layer (preferably calcium carbide). When the molten iron is poured into the container, the plug-like body will melt by contact with the molten iron, thus providing controlled exposure of the molten iron to the magnesium. To further control the process, the plug-like body can extend beyond the protective covering layer and, itself, be covered with a protective sheath of refractory material which can be lifted off from the body when the exposure is desired. The lift-off mechanism can be used to introduce the plug-like body by providing therein a mechanical or magnetic holding arrangement.
    • 为了提供熔融铁对由保护层覆盖的镁的受控进入,插塞状体与镁接触,延伸穿过覆盖层(优选为碳化钙)。 当将铁水倒入容器中时,塞状体将与铁水接触而融化,从而将铁水控制暴露于镁。 为了进一步控制该过程,插塞状主体可以延伸超过保护覆盖层,并且本身将被耐火材料的保护护套覆盖,当需要曝光时可以将其从身体脱离。 剥离机构可用于通过在其中提供机械或磁性保持装置来引入插塞状体。
    • 6. 发明授权
    • Conveyor roll arrangement
    • 输送机滚筒布置
    • US3669243A
    • 1972-06-13
    • US3669243D
    • 1971-02-18
    • FISCHER AG GEORG
    • FISCHBACHER HERMANN
    • B65G39/02B65G39/00F16C13/00B65G13/04
    • B65G39/12F16C13/00
    • A conveyor roll arrangement provides for a hollow roll body that is journalled for rotation about a roll axle that is supported by two elongated supports; and clamping means are provided for supporting each roll axle end on a support and has two normally substantially parallel, normally substantially equidistant elongated plates with aligned apertures which receive the roll axle end, and adjusting means which can vary the distance between the plates near one end relative to the distance near the other end of said plates, so as to clamp effectively and in exact predetermined position the roll axle ends.
    • 输送辊装置提供一个空心辊体,该中空辊体被围绕围绕由两个细长支撑件支承的辊轴转动; 并且提供夹紧装置用于将每个辊轴端部支撑在支撑件上并且具有两个通常基本上平行的,通常基本上等距的细长板,其具有接收辊轴端的对准的孔,以及可以改变靠近一端的板之间的距离的调节装置 相对于所述板的另一端附近的距离,以有效地夹紧并且在确切的预定位置,辊轴终止。