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Manufacture of copper-decorated eaves trough

阅读:620发布:2023-12-22

专利汇可以提供Manufacture of copper-decorated eaves trough专利检索,专利查询,专利分析的服务。并且PURPOSE: To simply manufacture a gorgeous copper-tone decorated eaves trough at a low cost by subjecting a copper foil to chemical treatment such as sulfurization or oxidation to color the foil; sticking the colored foil to a plastic pipe; and coating the foil surfact with a transparent protective film.
CONSTITUTION: The surface of copper foil 1 is subjected to chemical treatment such as sulfurization or oxidation to color the surface black or green. With colored surface 3 facing outward, foil 1 is sticked with an adhesive to the outside of plastic pipe 2 made of rigid PVC, etc. Colored surface 3 is optionally treated with a rust inhibitor and coated with clear lacquer of urethane resin, acrylic resin, etc. to form transparent protective film 4. By this method the entier manufacturing process is simplified.
COPYRIGHT: (C)1979,JPO&Japio,下面是Manufacture of copper-decorated eaves trough专利的具体信息内容。

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