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    • 3. 发明授权
    • Process of surface treatment of refractories and coating
    • 耐火材料和涂料的表面处理工艺
    • US5002805A
    • 1991-03-26
    • US285391
    • 1988-12-16
    • Pierre Robyn
    • Pierre Robyn
    • C03B5/43C04B35/66C04B41/50C04B41/53C04B41/87C04B41/91F27D1/16
    • C04B41/009C03B5/43C04B35/66C04B41/5025C04B41/53C04B41/87C04B41/91F27D1/1647C04B2111/00155C04B2111/00336C04B2111/72
    • In a process of dressing a refractory structure, a comburent gas stream carrying a mixture of particles is projected against the site to be dressed. The particle mixture comprises particles of one or more elements which is or are oxidizable to form one or more refractory oxides ("fuel particles") together with refractory oxide particles and the fuel particles are caused or allowed to burn during projection. The mixture further incorporates a fluxing agent, the fluxing action of which is such that under the heat released by combustion of the fuel particles, the refractory structure becomes softened to an extent such that the structure becomes dressed by removal or displacement of material thereof under the mechanical action of the impinging stream.Suitable fuels include very fine particles of aluminum and/or silicon. Suitable fluxes include fluorides and compounds of metals other than those whose oxides are projected in the mixture, for example alkali metal compounds, especially salts selected from borate, sulphate, carbonate and phosphate.
    • 在修整耐火结构的过程中,将携带颗粒混合物的组合气流投影到待修饰的部位。 颗粒混合物包括一种或多种元素的颗粒,其可被氧化或可氧化以与难熔氧化物颗粒一起形成一种或多种难熔氧化物(“燃料颗粒”),并且燃料颗粒在投影期间被引起或允许燃烧。 混合物还包含助熔剂,其助熔作用是使得在由燃料颗粒燃烧释放的热量下,耐火材料结构变软,达到通过在 冲击流的机械作用。 合适的燃料包括非常细的铝和/或硅颗粒。 合适的助熔剂包括氟化物和金属化合物,而不是在混合物中投入氧化物的化合物,例如碱金属化合物,特别是选自硼酸盐,硫酸盐,碳酸盐和磷酸盐的盐。
    • 5. 发明授权
    • Molding process for forming a concrete paving block
    • 用于形成混凝土铺路砖的成型工艺
    • US5211895A
    • 1993-05-18
    • US693672
    • 1991-04-30
    • Donald E. Jacklich, Sr.
    • Donald E. Jacklich, Sr.
    • B28B1/08B28B7/00B28B7/34C04B28/04C04B40/00
    • C04B40/0028B28B1/08B28B7/007B28B7/065B28B7/348C04B28/04C04B2111/00336Y02W30/92
    • A molded and cured concrete paving member for paving driveways, walkways, patios, plazas and the like, comprising portland cement, a coal slag aggregate, water and an acrylic additive. The blend is poured into a non-porous, high gloss polyvinylchloride (PVC) mold in a relative dry mix and is vibrated to drive the portland cement to the bottom of the mold and to suspend the aggregate into chemical suspension. This also drives the lighter weight water to the top of the molding configuration, which top, due to the configuration or orientation of the mold, ultimately becomes the bottom of the paving member. The molding is accomplished while hanging from a frame in a so-called bag mold so that when the concrete expands and contracts in the relatively flexible mold during the hydration curing process a bond of the concrete to the PVC mold is maintained. The non-porosity of the high gloss mold surface and induced vibration pull the portland cement to the bottom of the mold cavity and suspend the aggregate. This, then, gives rise to an advantageous high gloss ceramic-like finish.
    • 一种用于铺设车道,人行道,庭院,广场等的模制和固化的混凝土铺路构件,包括硅酸盐水泥,煤渣骨料,水和丙烯酸添加剂。 将混合物以相对干燥的混合物倒入无孔,高光泽的聚氯乙烯(PVC)模具中并振动,以将波特兰水泥驱动到模具的底部并将聚集体悬浮在化学悬浮液中。 这也将更轻的水驱动到模制构造的顶部,由于模具的构造或取向,顶部最终变成铺路构件的底部。 在所谓的袋式模具中从框架上悬挂完成模制,使得当在水合固化过程中混凝土与PVC模具的粘合被保持时,混凝土在相对柔性的模具中膨胀和收缩。 高光泽模具表面的无孔隙率和引起的振动将波特兰水泥拉到模具腔的底部并悬浮聚集体。 这样就产生了一种有利的高光泽陶瓷般的光洁度。