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134 results about "Metallic color" patented technology

A metallic color is a color that appears to be that of a polished metal. The visual sensation usually associated with metals is its metallic shine. This cannot be reproduced by a simple solid color, because the shiny effect is due to the material's brightness varying with the surface angle to the light source. In addition, there is no mechanism for showing metallic or fluorescent colors on a computer without resorting to rendering software which simulates the action of light on a shiny surface. Consequently in art and in heraldry one would normally use a metallic paint that glitters like a real metal.

T-shaped double arc welding backing process for medium-thickness plate

The invention discloses a T-shaped double arc welding backing process for a medium-thickness plate. The T-shaped double arc welding backing process comprises the following steps of (1) the blanking ofan H-shaped steel web is performed, negative 3 mm to negative 5 mm remains, a double-sided K-shaped groove is formed in a full penetration weld, which is greater than 16 mm, of the H-shaped steel web, the groove width is 16 mm to 18 mm, no root face is left in the groove, and the clearance of 4 mm to 6 mm is left; (2) oxide skin, iron rust and other impurities existing within a range of 50 mm onboth sides of the K-shaped groove position of the H-shaped steel web and the full penetration weld position at the middle of a flange are cleared through grinding, and a metallic color is displayed; and (3) the clearance of 4 mm to 6 mm is left during the assembly of the full penetration weld, a backing plate of 5 mm is adopted for controlling the clearance at intervals of 500 mm to 600 mm, a tackwelding point is positioned within 10 mm of the backing plate; the tack welding intervals are consistent with the intervals of 500 mm to 600 mm among the backing plates, the length of the tack welding point is 50 mm, and during the assembly, the full penetration weld is shrunk by 3 mm to 5 mm on the section of the H-shaped steel web. According to the T-shaped double arc welding backing process disclosed by the invention, the double-sided groove is formed in the H-shaped steel web, no root face is left, the clearance of 4 mm to 5 mm is left, the double arc backing welding operation is performed, the air gouging operation is not needed, the welding quality and efficiency are greatly improved, and the production cost is reduced.
Owner:CHANGJIANG & JINGGONG STEEL STRUCTURE GRP CO LTD

Method for preparing coating for hiding surface of orthodontic metallic tooth arc wire

InactiveCN102179353AUniform thicknessCoating color can be adjusted freelyPretreated surfacesSpecial surfacesAlcoholDistilled water
The invention provides a method for preparing a coating for hiding surface of an orthodontic metallic tooth arc wire, which comprises the following steps: (1) preprocessing the surface of the metallic tooth arc wire, ultrasonically cleaning the surface of the metallic tooth arc wire for 10 minutes in acetone, alcohol and distilled water, and removing oil stains; (2) straightening and fixing the preprocessed metallic tooth arc wire by using a mould, lifting and coating the metallic tooth arc wire in a dip-coating solution, wherein the dip-coating solution is stirred for 5-20 minutes at a stirring speed of 100-500 revolutions per minute and a lifting and coating speed is 0.5-5 millimeters per second; and (3) standing the coated metallic tooth arc wire for 15 minutes at room temperature, and then curing for 10-30 minutes at 150-180 DEG C, thereby acquiring a NiTi metallic tooth arc wire with a hidden coating. The method provided by the invention has the advantages that the preparation method is simple, the preparation method is free from being influenced by the shape of the tooth arc wire, the preparation method is environment-friendly, the coating is used for efficiently shielding the metallic color of the metallic tooth arc wire, and the coating has a function of hiding the tooth arc wire.
Owner:NANCHANG HANGKONG UNIVERSITY +1

Middle frame, preparation method thereof and electronic equipment

The invention provides a middle frame, a preparation method thereof and electronic equipment. The middle frame comprises a plastic base material which is sequentially divided into a first section areaand a second section area in the width direction; a metal coating which is arranged on one side of the outer surface of the plastic base material, and the orthographic projection of the metal coatingon the plastic base material covers the first section area and the second section area; and a transparent colored paint layer which is arranged on the side, away from the plastic base material, of the metal plating layer, and the orthographic projection of the transparent colored paint layer on the plastic base material is overlapped with the first section area. Therefore, the appearance color right corresponding to the first section area of the middle frame is bright and transparent, the bright and transparent color with the metal texture can be presented, and the appearance texture of the middle frame is improved; transparent colored paint is not arranged in the area right corresponding to the second section area, so that the edge of the middle frame is in a bright metal color, the appearance of the middle frame can be decorated, the texture and visual impact of the middle frame are improved, and the middle frame is light and thin visually.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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