Colored character printed on key button
    1.
    发明授权
    Colored character printed on key button 失效
    彩色字符打印在按键上

    公开(公告)号:US4516978A

    公开(公告)日:1985-05-14

    申请号:US533573

    申请日:1983-09-19

    CPC分类号: H01H9/18 H01H3/12

    摘要: A key button molded of a synthetic resin and having on the top surface thereof a character or symbol printed with a coloring agent comprising a dye and a solvent which is capable of dissolving the dye and the synthetic resin, wherein the character or symbol is durably formed on the top surface by the action of the solvent on the surface and body to cause the dye to permeate the surface and the body.

    摘要翻译: 一种由合成树脂模制的按键,在其顶面上具有印有着色剂的特征或符号,该着色剂包括能够溶解染料和合成树脂的染料和溶剂,其中字符或符号耐久地形成 通过溶剂在表面和身体上的作用在顶部表面上引起染料渗透到表面和身体。