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    • 3. 发明授权
    • SOUND ABSORBING MINERAL WOOL PRODUCT AND METHOD OF MANUFACTURING THE SAME
    • 声吸收矿棉产品及其制造方法
    • EP0268594B1
    • 1991-01-23
    • EP87902185.5
    • 1987-04-01
    • ROCKWOOL AKTIEBOLAGET
    • LUNDQUIST, Per-Olof
    • E04B1/86
    • E04C2/16
    • A mineral wool body suited for use as a sound insulating body having the ability of damping or absorbing both high frequence and low frequence sound, and in which at least the largest portion of the surfaces of the mineral wool body which are exposed to said high frequence and low frequence sound is covered with a binder in such amount and by such application method that practically all surface fibres of the mineral wool body are bound to each other and still the binder does not provide an integral, unbroken film of binder. The binder preferably is a solution of an inflammable alkali silicate, especially water glass, and it is applied to the mineral wool body in an amount of 75-150 or preferably 95-140 g dry matter content/m2 of the mineral wool body, whereupon the solvent is allowed to evaporate or dry, preferably at a temperature of less than 120°C. The binder can be pre-polymerized so that the viscosity at 20°C and a dry matter content of 50% is more than 300 mPa.s, and the binder is applied in a concentration of less than 40% or preferably less than 38% dry matter content.
    • 适用于具有阻尼或吸收高频和低频声音能力的隔音体的矿棉体,其中至少最大部分露出所述高频的矿棉体表面 并且用这种施加方法用粘合剂覆盖低频声音,几乎所有的矿棉体的所有表面纤维彼此结合,并且粘合剂仍然不提供整体的,不间断的粘合剂膜。 粘合剂优选是可燃性碱性硅酸盐,特别是水玻璃的溶液,并且其以矿物棉的75-150重量%或优选95-140克干物质含量/ m 2的量施用于矿棉体 从而使溶剂蒸发或干燥,优选在低于120℃的温度下进行。粘合剂可以预聚合,使得在20℃下的粘度和50%的干物质含量大于300 mPa.s,并且粘合剂以小于40%或优选小于38%干物质含量的浓度施用。
    • 6. 发明公开
    • A method for control of the surface weight of a mineral wool mat
    • Methode zur Kontrolle desFlächengewichtseiner Fasermatte aus oreer Wolle。
    • EP0005139A1
    • 1979-11-14
    • EP78850005.6
    • 1978-06-28
    • ROCKWOOL AKTIEBOLAGET
    • Brelén, HansDahlberg, StellanAberg, Ulf
    • D04H1/00C04B43/02
    • D04H1/4209D04H1/00D04H1/4226D04H1/732
    • A method for controlling the surface weight of a mineral wool mat (39) comprises production of the mineral wool by fibration of a mineralic melt (12). transfering the formed mineral wool to a collection device (36), and measuring one or more variables. influencing the amount of mineral wool formed per unit of time. introducing said variables into a functional combination and controlling under influence thereof the movement of the collection device, whereby the surface weight of the mineral wool mat is measured by weighing (44), and the functional combination is brought to contain one ore more parameters. the value of which is changed by influence from a counter unit (20) on basis of the amount of mineral wool produced per unit of time as well as on basis of the corresponding amount of mineral wool produced during one or more earlier periods of time.
    • 用于控制矿棉毡(39)的表面重量的方法包括通过矿物熔体(12)的振动来生产矿棉,将形成的矿棉转移到收集装置(36),以及测量一个或多个变量 影响每单位时间形成的矿棉数量,将所述变量引入功能组合并在影响收集装置的运动的情况下控制,由此通过称重(44)测量矿棉毡的表面重量,并且 功能组合带来一个以上的参数。 其价值根据每单位时间生产的矿棉数量以及在一个或多个较早时期内生产的矿棉的相应数量,由对方单位(20)的影响而改变。