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    • 1. 发明授权
    • Method for continuously producing molded members from a mixture of
gypsum and fibrous material
    • 从石膏和纤维材料的混合物连续生产模制件的方法
    • US4942003A
    • 1990-07-17
    • US319800
    • 1989-03-03
    • Jorg Bold
    • Jorg Bold
    • B28B1/52B28B13/02B28B17/02C04B28/14
    • B28B17/023B28B1/521B28B1/522B28B1/526B28B13/02C04B14/365C04B20/0048C04B28/14C04B2111/00612
    • A method and apparatus for continuously producing molded member, especially sheets, from a mixture of gypsum and fibrous material. In a first mixing stage, measured-out quantities of gypsum and fibrous material are thoroughly mixed together, with the dry mixture being weighed and subsequently moistened in a second mixing stage by supplying water thereto in conformity to the weight of the dry mixture. The moistened mixture is subsequently dispersed onto a support to form molded members, with the surface of each molded member being additionally moistened, and the latter then being compacted. To achieve higher strength, the mas flow of the gypsum/fibrous material mixture is divided into independent partial mass flows that are dispersed in layers to form the multi-layer molded member, with each partial mass flow forming one of the layers of the molded member. Each deposited layer is additionally moistened with water, with the total quantity of water supplied to a given molded member equalling up to about 25% more than the stoichiometric quantity of water required for curing the gypsum/fibrous material mixture.
    • 一种用于从石膏和纤维材料的混合物连续生产模制构件,特别是片材的方法和装置。 在第一混合阶段,将石膏和纤维材料的测量量充分混合在一起,将干燥混合物称重,随后在第二混合阶段通过向干燥混合物的重量供水而将其润湿。 随后将润湿的混合物分散到支撑体上以形成模制构件,每个模制构件的表面被额外润湿,然后将其压实。 为了获得更高的强度,石膏/纤维材料混合物的流动被分成独立的部分质量流,其分散在层中以形成多层模制构件,每个部分质量流形成模制构件的一个层 。 每个沉积层另外用水润湿,供给给定模制构件的水的总量等于固化石膏/纤维材料混合物所需的化学计量的水量的约25%。
    • 2. 发明授权
    • Nonflammable building material and process for preparing same
    • 不燃性建筑材料及其制备方法
    • US4330335A
    • 1982-05-18
    • US236651
    • 1981-02-23
    • Yasutoshi KatoNobuo Inui
    • Yasutoshi KatoNobuo Inui
    • C04B28/04B27N3/00B27N9/00B28B1/52B28B3/12B28B5/02C04B16/06C04B28/18C04B7/02
    • B28B1/521C04B28/18Y02W30/97
    • A nonflammable building material comprising 3 to 20 parts by weight of a finely divided mineral about 10,000 cm.sup.2 /g in Blaine value and 0.3 to 0.8 in apparent density and 100 parts by weight of a mixture admixed therewith and composed of 20 to 60% by weight of a finely divided aggregate wholly passing through a 4-mesh screen and containing not more than 5% of particles of minus 200 mesh size, 1.0 to 7.0% by weight of a pulp, 0.05 to 2.0% by weight of an organic fiber and the balance cement and siliceous sand in a CaO/SiO.sub.2 mole ratio of 0.5-1.0. The nonflammable building material is produced by a process comprising the steps of preparing a starting mixture of the above composition, spreading the mixture on a belt conveyor, causing water to penetrate into the spread mixture, shaping the wet mixture under pressure and curing the mixture in an autoclave.
    • 一种不燃的建筑材料,其包含3至20重量份的细碎矿物,其中Blaine值为约10,000cm2 / g,表观密度为0.3至0.8,并且混合了100重量份混合物,并由20至60重量% 完全通过4目筛网并且含有不超过5%的负200目尺寸的颗粒,1.0至7.0重量%的纸浆,0.05至2.0重量%的有机纤维的细分散的聚集体和 平衡水泥和硅砂,CaO / SiO2摩尔比为0.5-1.0。 不燃性建筑材料通过包括以下步骤的方法生产,该方法包括制备上述组合物的起始混合物,将混合物铺展在带式输送机上,使水渗透到铺展的混合物中,在压力下使湿混合物成形,并使混合物固化 高压灭菌器