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公开(公告)号：US5194206A
公开(公告)日：1993-03-16
申请号：US415588
申请日：1989-10-02
CPC分类号： B28B5/028 , B28B1/526 , B28B17/02 , Y10S264/31 , Y10S264/53
摘要： A process for using shredded scrap or virgin fiber glass in combination with starch, water and other components to make ceiling tiles. The tiles are made by initially preparing a mixture of water, starch, boric acid and fire clay. That initial mixture is then heated to form a gel. Fiber glass is then added to the gel to form a pulp. The pulp is fed into trays to form slabs. The slabs are dried and finished into tiles.
摘要翻译： 使用粉碎废料或原始玻璃纤维与淀粉，水和其他组分结合使用天花板瓷砖的方法。 通过最初制备水，淀粉，硼酸和火泥的混合物来制备瓦。 然后将该初始混合物加热以形成凝胶。 然后将玻璃纤维加入到凝胶中以形成纸浆。 纸浆被送入托盘以形成板坯。 将板坯干燥并制成瓷砖。
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公开(公告)号：US5076985A
公开(公告)日：1991-12-31
申请号：US415584
申请日：1989-10-02
CPC分类号： E04B9/06 , B27N5/00 , B28B13/02 , B28B19/0092 , B28B5/027 , Y10S264/31
摘要： A process for consistently making ceiling tiles having uniform density and surface texture includes using a conveyor along which trays are moved in a generally horizontal direction. A feeder box is used to deposit pulp in the trays, the pulp being comprised of a mixture of water, starch, fibrous material, and other ingredients. The feeder box through which pulp is deposited in the trays is of a special design, and includes a sloping front edge which creates a negative rake angle with respect to layers produced by the system. The lower front edge of the feeder box includes a surface having a compound curvature. Ceiling tiles are produced by the process having improved uniformity of density and surface texture.
摘要翻译： 一直制造具有均匀密度和表面纹理的天花板瓦的方法包括使用沿大致水平方向移动托盘的输送机。 进料盒用于将纸浆沉积在纸盘中，纸浆由水，淀粉，纤维材料和其他成分的混合物组成。 纸浆沉积在托盘中的进料盒具有特殊的设计，并且包括倾斜的前边缘，其相对于由系统产生的层产生负的前角。 给料箱的下前边缘包括具有复合曲率的表面。 通过具有改善的密度均匀性和表面纹理的方法生产天花板。
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