2 results about "Bronze color" patented technology

This invention relates to a treatment device for dyeing brass zipper heads to an antique bronze color. The device is used for pre-treatment of brass zipper heads to achieve this effect. It includes a mounting frame with several clamping components along its length. Each clamping component includes a first plate and a second plate, which are parallel to each other and used to clamp the zipper head. The mounting frame also includes a drive component for moving the second plate to rotate the zipper head. This invention employs fluid polishing to perform a thorough pre-treatment of the zipper head, improving its surface quality. While maintaining precision, it also reduces processing time and costs, and generates less waste liquid, resulting in less environmental pollution.

The invention discloses a coloring treatment method for a copper alloy surface, which belongs to the technical field of copper alloy products and comprises the following steps: S1, pretreatment: cleaning and activating the surface of a copper alloy matrix; s2, coloring liquid preparation, wherein soluble copper salt, a complexing agent, a pH buffering agent and a coloring accelerant are dissolved in deionized water, and the coloring liquid is formed; s3, coloring treatment is conducted, specifically, the copper alloy matrix treated in the step S1 is immersed in the coloring liquid; and S4, post-treatment is conducted, specifically, the colored copper alloy matrix is taken out, cleaned and dried, and a protective layer is optionally coated. According to the coloring treatment method for the surface of the copper alloy, coloring film layers with various colors including bronze color, chocolate color, blue color, purple color and brownish red color can be obtained on the surface of the copper alloy by controlling the coloring treatment time, and the requirements of the market for diversified appearances of copper alloy products are greatly met; and more design choices and creative space are provided for industries such as decoration and handicrafts.