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    • 3. 发明授权
    • Method and apparatus for continuous casting
    • 连铸方法及装置
    • US5325910A
    • 1994-07-05
    • US83381
    • 1993-06-28
    • Wolfgang SchneiderKurt Kramer
    • Wolfgang SchneiderKurt Kramer
    • B22D11/04B22D11/07
    • B22D11/0401B22D11/07
    • Disclosed is a method for continuous casting with a continuous casting annular mold. The method includes: providing a continuous annular casting mold having a superstructure secured over a chill, the superstructure including an overhang extending over the inner wall of the chill; cooling the inner wall surface of the chill; introducing a mixture of a lubricant and gas under pressure at the transition of the overhang and the inner wall surface of the chill. The mixture is introduced in a direction parallel to the inner wall surface of the chill. A molten material to be cast is introduced to the mold in a direction from above the superstructure. The cast material is drawn off from below the chill, and the mixture of gas and lubricant maintains a gap between the material to be cast and the inner wall surface of the chill. A continuous casting mold is also disclosed.
    • 公开了一种连续铸造环形模具的连铸方法。 该方法包括:提供具有固定在冷却器上的上部结构的连续环形铸造模具,所述上部结构包括在冷却器的内壁上延伸的悬垂线; 冷却寒冷的内壁表面; 在冷却的突出端和内壁表面的过渡处引入润滑剂和气体的混合物。 混合物沿与冷却器的内壁表面平行的方向引入。 待铸造的熔融材料沿上层建筑上方的方向被引入模具。 铸造材料从冷却下方被排出,气体和润滑剂的混合物在待铸材料和冷却的内壁表面之间保持间隙。 还公开了一种连续铸造模具。
    • 8. 发明授权
    • Process for producing modified alumina hydrate crystals
    • 生产改性水合氧化铝晶体的方法
    • US4340579A
    • 1982-07-20
    • US98846
    • 1979-11-30
    • Jorg F. GreberGunter Winkhaus
    • Jorg F. GreberGunter Winkhaus
    • C08K3/00C01F7/02C01F7/14C08K3/22C08L67/00C08L101/00
    • C01F7/022C08K3/22C01P2004/61C01P2006/22
    • The present invention relates to a modified form of alumina hydrate filler, thermosetting and thermoplastic compositions having improved workability and mechanical properties containing such filler and methods of manufacturing such modified alumina hydrate filler. More specifically, the invention provides for the admixture of modified alumina hydrate crystals with a resinous composition in which the individual alumina hydrate crystal edges are substantially rounded, have a mean crystal size of less than about 35 microns and less than about 0.1% by volume of alumina hydrate crystals have a diameter of less than 2 microns. The resulting compositions have improved viscosity properties and exhibit good bending strength and flame retardant characteristics.
    • 本发明涉及氧化铝水合物填料的改性形式,其具有改进的可加工性和包含这种填料的机械性能的热固性和热塑性组合物以及制造这种改性氧化铝水合物填料的方法。 更具体地,本发明提供了改性氧化铝水合物晶体与树脂组合物的混合物,其中各个氧化铝水合物晶体边缘基本上是圆形的,其平均晶体尺寸小于约35微米且小于约0.1体积% 氧化铝水合物晶体的直径小于2微米。 所得组合物具有改进的粘度性能并且表现出良好的弯曲强度和阻燃特性。