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3. 发明授权

US06589603B1 Process for forming multi-layer coatings on three-dimensional multi-faced substrates and product made according to such process 失效
标题翻译：在三维多面体基材上形成多层涂层的方法和根据这种方法制成的产品
公开(公告)号：US06589603B1
公开(公告)日：2003-07-08
申请号：US09561628
申请日：2000-05-02
申请人： Howell N. Cornell , Evelyn D. Perrett , Edward R. Millero , Shelley D. Sturdevant , Carole A. Conley
发明人： Howell N. Cornell , Evelyn D. Perrett , Edward R. Millero , Shelley D. Sturdevant , Carole A. Conley
IPC分类号： B05D302
CPC分类号： B05D7/544 , B05D5/083 , B05D2202/25
摘要： A process for forming and drying a multi-layer composite coating on an elongated three-dimensional multi-faced substrate is provided. The process includes the following steps: (1) passing the substrate to a first coating station located on a coating line; (2) applying a base coating composition to the entire exterior surface of the substrate as it passes through the first coating station, thereby forming a base coat on the substrate; (3) passing the substrate from step (2) to a first drying station located on the coating line; (4) drying the base coat as it passes through the first drying station; (5) passing the substrate from step (4) to a second coating station located on the coating line; (6) applying a top coating composition, different from the base coating composition, to at least one but not all of the faces of the substrate from step (5) as it passes through the second coating station to form a top coat on a portion of the substrate; (7) passing the substrate from step (6) to a second drying station located on the coating line; and (8) drying the top coat as it passes through the drying station. Substrates coated by the process of the present invention are useful as building components, for example window and door frames, where they provide one exterior-durable surface and one surface suitable as an interior surface.
摘要翻译：提供了在细长的三维多面体基材上形成和干燥多层复合涂层的方法。该方法包括以下步骤：（1）将基材通过位于涂布线上的第一涂布站; （2）当基材通过第一涂布站时，将基底涂料组合物施加到基材的整个外表面，从而在基材上形成底涂层; （3）将基材从步骤（2）通到位于涂布线上的第一干燥站; （4）底漆在通过第一干燥站时干燥; （5）将基材从步骤（4）通到位于涂布线上的第二涂布站; （6）当步骤（5）通过第二涂覆站时，将不同于基底涂料组合物的顶部涂料组合物施加到基材的至少一个但不是全部的表面，以在部分上形成顶涂层的基底; （7）将基板从步骤（6）传送到位于涂布线上的第二干燥站; 和（8）当顶部涂层通过干燥站时干燥。通过本发明的方法涂覆的基材可用作构建组件，例如窗框和门框，其中它们提供一个外部耐久表面和适合作为内表面的一个表面。

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