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    • 13. 发明授权
    • Ingot mold with heat reflecting cover
    • 带热反射罩的模具
    • US4050668A
    • 1977-09-27
    • US727281
    • 1976-09-27
    • Joseph Perri
    • Joseph Perri
    • B22D7/06B22D7/10
    • B22D7/102B22D7/06
    • The use of hot tops on ingot and similar molds in which steel, steel alloys and other molten metal are teemed and cooled to a solid state is avoided and the use of topping compounds in such operations eliminated or substantially reduced by the provision of a removable and reusable cover covering the top of the mold cavity wherein the cover comprises elements combined into a single unit arranged to be set atop the mold and completely cover the metal, at least one of said elements having a heat-reflecting surface over the undersurface thereof for reflecting heat downwardly onto the metal in the mold to retard the cooling of the metal while the space or spaces between the elements provide insulation. At least the lowermost reflective element in the assembly may slope downwardly and inwardly toward the center of the cover, that is, they diverge upwardly from a central area toward the side walls so that radiant heat will be deflected downwardly and outwardly to retard cooling of the metal near the top from the sides toward the center.
    • 在钢锭,钢合金和其他熔融金属被浇注和冷却至固态的锭和类似模具上使用热顶,避免了使用顶部化合物在这种操作中的消除或大大减少, 覆盖模腔顶部的可重复使用的盖,其中所述盖包括组合成单个单元的元件,所述单元布置成设置在模具顶部并完全覆盖金属,所述元件中的至少一个在其下表面上具有热反射表面,用于反射 向下加热到模具中的金属上以阻止金属的冷却,同时元件之间的空间或空间提供绝缘。 组件中的至少最下面的反射元件可以朝着盖的中心向下和向内倾斜,即,它们从中心区域朝向侧壁向上发散,使得辐射热将向下和向外偏转以延迟冷却 靠近顶部的金属从侧面到中心。