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    • 6. 发明授权
    • Method of manufacturing abrasive articles
    • 磨料制品的制造方法
    • US4497694A
    • 1985-02-05
    • US602403
    • 1984-04-17
    • Jack D. BankierDennis A. Gross
    • Jack D. BankierDennis A. Gross
    • B24D18/00C25D7/00C25D5/34C25D5/48C25D15/00
    • C25D7/00B24D18/00
    • Abrasive articles, such as finger nail files, are made by stamping a metal sheet to form a blank with a header strip having a plurality of spaced fingers depending therefrom, coating the fingers with a slurry of abrasive granules and flowable plastics material adhesive, curing the coating to anchor the abrasive particles to the fingers, vacuum depositing a thin strike coating of copper or copper alloy over the cured resin coating and then electro depositing a coating of nickel over the vacuum deposited copper. The abrasive granules are preferably aluminum oxide, the resin carrier for the granules is preferably an epoxide thermosetting resin, and the metal coatings are controlled to form thin sheaths around the resin coating leaving the peaks of the abrasive granules exposed or only covered with very thin coatings which break off or wear away when subjected to friction. The cured, abrasive particle containing resin coating is sufficiently stable to resist deterioration during the vacuum coating operation which is carried out in several sequential stages initially releasing gases in the resin coating, then melting the copper, increasing the vacuum and temperature to vaporize the copper and then depositing the vapor on the fingers forming a sheath around the resin coating.
    • 磨料制品,如指甲锉,是通过冲压金属板制成的,具有一个带有多个间隔开的指状物的插头条的坯件,用手指将研磨颗粒和可流动的塑料材料粘合剂的浆料涂抹在手指上,固化 涂覆以将磨料颗粒锚定到手指上,在固化的树脂涂层上真空沉积铜或铜合金的薄层涂层,然后在真空沉积的铜上电沉积镍涂层。 磨料颗粒优选为氧化铝,用于颗粒的树脂载体优选为环氧化物热固性树脂,并且控制金属涂层以在树脂涂层周围形成薄护套,使磨料颗粒的峰暴露或仅覆盖有非常薄的涂层 当摩擦时,它会脱落或磨损。 固化的含磨粒的树脂涂层足够稳定以防止在真空涂覆操作期间的劣化,其在几个顺序阶段中进行,最初释放树脂涂层中的气体,然后熔化铜,增加真空和温度以蒸发铜, 然后将蒸气沉积在指状物上,形成围绕树脂涂层的护套。