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    • 5. 发明授权
    • Coating mass control using magnetic field
    • 使用磁场进行涂层质量控制
    • US4273800A
    • 1981-06-16
    • US963239
    • 1978-11-24
    • Paul Reid
    • Paul Reid
    • C23C2/14C23C2/24B05D3/14
    • C23C2/24
    • The invention provides a method for removal of an excess of a liquid metal coating from a substrate, such as a hot dip coated metal substrate, and in preferred embodiments, for control of metal coating thickness.The method involves moving the substrate through a stationary pulsating or alternating magnetic flux. The flux is directed in a path which enters the coating at an entry zone and exits from the coating at an exit zone, those zones being on the external surface of the coating and spaced apart in the direction of advance of the substrate. The frequency and intensity of the flux are controlled so as to exert on the coating surface a force opposing the viscous drag forces exerted in the coating by the moving substrate. Apparatus for use in performing the method is described.
    • 本发明提供一种从基底(例如热浸镀金属基底)上去除过量的液态金属涂层的方法,并且在优选实施例中用于控制金属涂层厚度。 该方法涉及使基板移动通过固定的脉动或交变磁通。 焊剂被引导到在入口区域进入涂层并在出口区域处从涂层排出的路径,那些区域在涂层的外表面上并且沿着衬底的前进方向间隔开。 控制焊剂的频率和强度,以便在涂层表面上施加与由移动的基材施加在涂层中的粘性阻力相反的力。 描述了用于执行该方法的装置。