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    • 2. 发明授权
    • Die casting machine
    • DIE铸造机
    • US3646990A
    • 1972-03-07
    • US3646990D
    • 1969-10-10
    • RAYMOND E CROSS
    • CROSS RAYMOND E
    • B22D17/08B22D17/00
    • B22D17/08
    • A method of casting high-temperature melting point metals and a die arrangement and molten metal feed mechanism for a die casting machine. The method includes gravity filling a shot cylinder with molten metal, cutting off the inlet to the shot cylinder when it is full and then forcing the molten metal in the air-free cylinder into the mold cavity. The machine includes die elements adapted to mate and define a mold cavity at a parting line defined by parting surfaces between the opposed faces of the elements. The die arrangement and molten metal feed mechanism includes a sprue and runner complex also disposed at a parting line, and a molten metal injection or shot cylinder which extends into the parting plane or lines. The metal shot cylinder is filled through the sprue with the dies closed. In one aspect of the invention, a molten metal injection plunger acts to seal off the sprue from the shot cylinder during a casting operation, while in another aspect of the invention a separate sprue plunger is utilized to perform this function.
    • 铸造高温熔点金属的方法和用于压铸机的模具布置和熔融金属进料机构。 该方法包括用熔融金属重力填充喷射缸,当其充满时切断喷射缸的入口,然后迫使无气缸中的熔融金属进入模腔。 机器包括适于在由元件的相对面之间的分离表面限定的分型线处配合和限定模腔的模具元件。 模具布置和熔融金属进料机构包括还设置在分型线处的浇道和流道复合体,以及延伸到分型平面或线中的熔融金属注射或喷射缸。 金属注射圆筒通过浇口填充,模具封闭。 在本发明的一个方面中,熔融金属注射柱塞用于在铸造操作期间密封冲头与冲压缸,而在本发明的另一方面,使用单独的浇注柱塞来执行该功能。
    • 3. 发明授权
    • Adjustable miter box with offset cutting location
    • 可调斜角箱,带偏置切割位置
    • US5279198A
    • 1994-01-18
    • US985844
    • 1992-12-03
    • Raymond E. Cross
    • Raymond E. Cross
    • B27G5/02B27B21/00
    • B27G5/02Y10T83/693Y10T83/6955Y10T83/6975
    • An adjustable miter box for use with a miter saw having a blade includes a base having a top, a front face, a rear face, a first side and a second side, a generally vertically oriented pivot post located adjacent the rear face and being disposed in an offset location closer to the first side than to the second side, a saw guide including a vertical throughbore for matingly engaging the pivot post and defining a slot for slidingly and clampingly accommodating the blade of the miter saw, angular locking devices on the base for releasably fixing the angular position of the saw guide relative to the base, and workpiece support apparatus secured to the base for supporting and securing a workpiece to be cut by the saw while the saw is slidably engaged in the slot.
    • 一种用于具有叶片的斜切锯的可调节斜角箱包括具有顶部,前表面,后表面,第一侧面和第二侧面的基部,大体垂直定位的枢轴柱,邻近后表面设置, 在比第二侧更接近第一侧的偏移位置中,包括垂直通孔的锯导轨,用于配合地接合枢轴柱并且限定用于滑动地并且夹紧地容纳斜切锯的刀片的槽,该基座上的角锁定装置 用于可释放地固定锯条导向件相对于基座的角位置,以及固定到基座的工件支撑装置,用于在锯可滑动地接合在槽中时用于支撑和固定由锯切割的工件。