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    • 1. 发明授权
    • Resin products and process for producing the same
    • 树脂制品及其制造方法
    • US5484516A
    • 1996-01-16
    • US225286
    • 1994-04-08
    • Toshikazu FunahashiYasuhiko OgisuMamoru KatoShigeyuki TakahashiToshiya Uemura
    • Toshikazu FunahashiYasuhiko OgisuMamoru KatoShigeyuki TakahashiToshiya Uemura
    • B60R19/52C23C18/16C25D5/02C25D5/56H05K1/00H05K3/18H05K3/24
    • C25D5/56B60R19/52C23C18/1607C23C18/1653C23C18/32C23C18/38C25D5/022B60R2019/525H05K1/0284H05K3/182H05K3/184H05K3/241
    • Contoured step sections and contoured grooves along the step sections are formed on a grille body. The grille body is subjected to chemical plating. Since the grooves have narrow bottoms, the bottoms remain unplated, so that a chemical plating layer is formed on the entire surface of the grille body except for the bottoms. The grille body having the chemical plating layer formed thereon is then subjected to an electroplating step having a plurality of steps. An undercoat plating layer is formed on the chemical plating layer formed on the portions where decorative plating is to be applied. The chemical plating layer formed on the portions where no decorative plating is to be applied is dissolved with a predetermined solution. Subsequently, a general electroplating layer is formed on the undercoat plating layer. Thus, the chemical plating layer and the electroplating layers are formed only on the to-be-plated portions. The plated portions are covered with an electroforming mask, and a coating is applied onto the exposed portions to form a coating layer, where the edges of the electroforming mask can be registered with the edges of the plating layer. Accordingly, the boundaries between the coating layer and the plating layer can clearly be defined.
    • 在格栅体上形成沿着台阶部分的轮廓台阶部分和轮廓的凹槽。 格栅体进行化学镀。 由于凹槽具有窄的底部,底部保持未镀层,所以除了底部之外,在格栅体的整个表面上形成化学镀层。 其上形成有化学镀层的格栅体然后进行具有多个步骤的电镀步骤。 在形成在要施加装饰性电镀部分的化学镀层上形成底涂层。 用规定的溶液溶解在不施加装饰电镀的部分上形成的化学镀层。 随后,在底涂层上形成一般电镀层。 因此,化学镀层和电镀层仅形成在被镀层部分上。 电镀部分被电铸掩模覆盖,并且将涂层施加到暴露部分上以形成涂层,其中电铸掩模的边缘可以与镀层的边缘对准。 因此,可以清楚地限定涂层和镀层之间的边界。
    • 2. 发明授权
    • Partially plated resin products and partial plating process therefor
    • 部分电镀树脂产品和部分电镀工艺
    • US5441626A
    • 1995-08-15
    • US225066
    • 1994-04-08
    • Ysauhiko OgisuMamoru KatoShigeyuki TakahashiToshiya UemuraToshikazu Funahashi
    • Ysauhiko OgisuMamoru KatoShigeyuki TakahashiToshiya UemuraToshikazu Funahashi
    • B60R19/52C23C18/16C25D5/02C25D5/56H05K1/00H05K3/18H05K3/24C25D7/00
    • C25D5/022B60R19/52C23C18/1607C23C18/1653C23C18/32C23C18/38C25D5/56B60R2019/525H05K1/0284H05K3/182H05K3/184H05K3/241Y10S205/917
    • Annular grooves having substantially V-shaped cross sections are formed on the front surface and the rear surface of a grille body. A through hole communicating to the front surface and the rear surface of the grille body is also formed so that the front aperture may be smaller than the rear aperture. A protrusion is formed on the rear surface of the grille body, which is located inner than the groove. The grille body is immersed into a chemical plating solution to form a chemical plating layer on the entire surface of the grille body except for the bottoms of the grooves. The grille body is then subjected to undercoat plating, in which the grille body is immersed into a predetermined plating solution utilizing the protrusion as a kind of electrode so as to electrically charge the chemical plating layer present on the front surface from the layer present on the protrusion and through the layer present in the through hole to allow an undercoat plating layer to be formed on the portions where decorative plating is formed. The chemical plating layer formed on the portions where no decorative plating is formed is dissolved by a predetermined solution. A general electroplating layer is formed likewise on the undercoat plating layer. The chemical plating layer and the electroplating layer are formed only on the to-be-plated portions. The protrusion does not impair the front appearance of the front grille.
    • 在格栅体的前表面和后表面上形成具有大致V形截面的环形槽。 还形成了与格栅体的前表面和后表面连通的通孔,使得前孔可以比后孔小。 格栅体的后表面形成有位于凹槽内侧的突出部。 将格栅体浸入化学镀液中,除了槽的底部之外,在格栅体的整个表面上形成化学镀层。 然后对格栅体进行底涂镀层,其中将格栅体浸入预定的电镀液中,利用该突起作为一种电极,从而使存在于前表面上的化学镀层从存在于 突出并通过存在于通孔中的层,以允许在形成装饰性电镀的部分上形成底涂层。 形成在没有装饰电镀的部分上形成的化学镀层通过预定的溶液溶解。 普通的电镀层同样地形成在底涂层镀层上。 化学镀层和电镀层仅形成在被镀层部分上。 突起不会损害前格栅的前部外观。
    • 7. 发明授权
    • Process for producing resin products
    • 树脂制品生产工艺
    • US5630928A
    • 1997-05-20
    • US401916
    • 1995-03-09
    • Yasuhiko OgisuShigeyuki TakahashiMamoru Kato
    • Yasuhiko OgisuShigeyuki TakahashiMamoru Kato
    • B05D1/32B60R13/04C25D5/02
    • B05D1/322B60R13/04
    • A resin product has a body made of a resin. The body has an outer surface including an ornamental surface and an unornamental surface, a first area defined on the outer surface, and a chemical plating layer and an electroplating layer respectively formed on the first area. A process for producing the resin product comprises the step of making a first boundary along a contour of the first area located on the ornamental surface, and the step of making a second boundary along a contour of the first area located on the unornamental surface. The step of making the second boundary includes forming a resist layer on the unornamental surface. The resist layer has a resistivity to a chemical plating solution for making the chemical plating layer. The process also includes the step of forming the chemical plating layer on the outer surface of the body except a part of the first boundary and the resist layer by chemical plating the body, and the step of selectively forming the electroplating layer on the chemical plating layer within the first area.
    • 树脂制品具有由树脂制成的主体。 本体具有包括装饰表面和未表面的外表面,在外表面上限定的第一区域,以及分别形成在第一区域上的化学镀层和电镀层。 制造树脂制品的方法包括沿着位于装饰表面上的第一区域的轮廓形成第一边界的步骤,以及沿着位于未表面上的第一区域的轮廓形成第二边界的步骤。 制造第二边界的步骤包括在未表面上形成抗蚀剂层。 抗蚀剂层与用于制造化学镀层的化学镀溶液具有电阻率。 该方法还包括在化学镀层上选择性地形成电镀层的步骤,该化学镀层在除了第一边界的一部分和抗蚀剂层之外的外表面上形成化学镀层, 在第一区域内。