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    • 3. 发明授权
    • Method for preventing formation of a heavy liquid layer on a web at a
coating start position
    • 防止在涂层开始位置在卷筒纸上形成重液体层的方法
    • US4340621A
    • 1982-07-20
    • US125054
    • 1980-02-27
    • Takeshi MatsumiyaMinoru Minoda
    • Takeshi MatsumiyaMinoru Minoda
    • B05C5/02B05D1/36G03C1/74B05D3/00B05D3/12
    • G03C1/74B05C5/0254B05D1/265B05D7/04B05D3/101
    • A method for coating a web with a coating liquid wherein heavy coating of the web at the coating start position with the coating liquid is prevented. While a thin layer of pretreatment liquid having a low viscosity and consisting of water and/or organic solvent is applied at the coating start position and the region around the coating start position on the web, the web is fed into a coating section where the web is coated with the coating liquid with the coating liquid applied over the thin layer of pretreatment liquid on the web. With the coating operation carried out with a hopper-type coating device, a method is preferably employed in which the amount of pressure reduction of a bead stabilizing suction chamber is set at value higher than that used for steady-state operation. The coating liquid is applied onto the thin layer of pretreatment liquid on the web and thereafter the pressure reduction is returned to that normally used for steady-state operation to continue the coating operation with the coating liquid. In this dual-layer coating operation, heavy coating of the web at the coating start position with the coating liquid is prevented by cooperation of the expansive wetting effect of the thin layer of pretreatment liquid and the higher pressure reduction of the suction chamber.
    • 一种用涂布液涂布网的方法,其中防止了在涂层开始位置与涂布液的纤网的重涂层。 虽然在涂层开始位置和纸幅上的涂层开始位置周围的区域施加具有低粘度并由水和/或有机溶剂组成的薄层预处理液体,但是将幅材进料到涂布部分中,其中纸幅 涂覆有涂布液体,涂布液涂布在纸幅上的预处理液体的薄层上。 在用料斗式涂布装置进行涂布操作的情况下,优选采用将珠稳定吸引室的减压量设定为高于稳态运转所使用的值的方法。 将涂布液施加到幅材上的预处理液体的薄层上,然后将压力降低至通常用于稳态操作的压力,以继续涂布操作。 在这种双层涂布操作中,通过预处理液体的薄层的膨胀润湿效果和吸入室的较高压力降低的协调来防止在涂层开始位置与涂布液体对网的重度涂覆。
    • 6. 发明授权
    • Color diffusion transfer photographic film unit
    • 彩色扩散转印摄影胶片单元
    • US4839257A
    • 1989-06-13
    • US111827
    • 1987-10-23
    • Shigeru NakamuraMinoru MinodaKeisuke Shiba
    • Shigeru NakamuraMinoru MinodaKeisuke Shiba
    • G03C8/50
    • G03C8/50
    • A color diffusion transfer photographic film unit and a method for forming image therewith which comprises a photosensitive sheet comprising a light-reflective support having disposed thereon in order outwardly from the support (a) a layer having neutralizing function, (b) a dye image-receiving layer, (c) a separating layer and (d) at least one light-sensitive emulsion layer comprising a light-sensitive silver halide, the light-sensitive emulsion layer being associated with at least one dye image-forming material; a transparent cover sheet superposed on the outermost layer of the photosensitive sheet; and rupturable storage means for providing a developing solution substantially opaque to light between the light-sensitive emulsion layer and the transparent cover sheet; provided that at least one of the light-reflective support and layer thereon disposed on the side of the light-sensitive emulsion layer opposite the transparent cover sheet is substantially opaque to light.
    • 一种彩色扩散转印照相胶卷单元及其形成方法,其特征在于,包括一光敏片,该感光片包括一个光反射性支持体,其中从该支撑体向外依次设置有一个具有中和功能的层,(b) 接收层,(c)分离层和(d)包含感光卤化银的至少一种感光乳剂层,所述感光乳剂层与至少一种染料成像材料相关联; 叠置在感光片的最外层上的透明覆盖片; 以及用于提供在感光乳剂层和透明覆盖片之间基本上不透光的显影溶液的可破裂存储装置; 条件是其上设置在与透明覆盖片相对的感光乳剂层侧上的光反射性支撑体和层中的至少一个基本上对于光不透明。