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    METHOD AND APPARATUS FOR COATING TWO SIDES
    2.
    发明公开
    METHOD AND APPARATUS FOR COATING TWO SIDES 失效
    方法和设备对于双方涂料。

    公开(公告)号：EP0093177A1

    公开(公告)日：1983-11-09

    申请号：EP82903258.0

    申请日：1982-11-04

    申请人： KONICA CORPORATION

    发明人： YOSHINO, Tetsuya ,  KAGEYAMA, Takashi ,  KATO, Kazuo ,  KISHIDO, Takeshi

    IPC分类号： B05C5/00 ,  B05D1/30 ,  G03C1/74

    CPC分类号： B05D1/26 ,  B05C5/007 ,  B05C9/04 ,  B05C9/06 ,  B05D2252/10 ,  G03C1/74 ,  G03C2001/7403 ,  G03C2001/7425

    摘要： Method and apparatus for continuously and uniformly coating both sides of a substrate (2) which is to be coated with a coating such as a photosensitive material of the like (hereinafter referred to as the 'substrate'), while supporting the surface opposite to the surface of the substrate (2) being coated without contact by injecting a gas from a gas injector (3') during the step of coating the surfaces with a coating liquid by coaters (1) and (1'). In this apparatus, the supporting static pressure generated in the gap between the substrate (2) and the injector (3') becomes 1/10 to 1/1,000 of the supplied gas pressure fed to the injector (3'), and the liquid is coated so that the amount by which the substrate (2) floats in the region where the liquid from the coaters is in contact with the substrate (2) is made to be 20 to 500 µm by controlling the supplied pressure, the pressure loss in the injector, and the tension applied to the substrate. In this manner, variations in the floating distance (floating amount) of the substrate (2) can be suppressed to an allowable range, thereby eliminating lateral steps of irregular coating, and obtaining a uniformly thick coating layer.