Filing tool for hardened-skin care and method of manufacturing the same
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United States of America Patent
Stats
-
N/A
Issued Date -
Mar 31, 2005
app pub date -
Nov 12, 2003
filing date -
Sep 26, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed is a filing tool for hardened-skin care, including a plurality of filing parts having double plated nickel and stone powders fixed to such nickel on a metal plate. A method of manufacturing the filing tool is also provided, including setting a patterned photosensitive dry film on the metal plate, exposing the metal plate set with the dry film to light, removing a non-exposed portion of the dry film to form a masking pattern, plating nickel on the metal plate formed with the masking pattern to form a first nickel-plated layer, followed by uniformly applying stone powders on the first nickel-plated layer, further plating nickel on the stone powders to form a second nickel-plated layer, and fixing the stone powders between the first nickel-plated layer and the second nickel-plated layer, followed by removing the masking pattern. Thereby, since the stone powders, serving as a filing material, are securely fixed to nickel, filing efficiencies improve. In addition, the filing tool has higher strength, due to the use of the metal plate.
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Cited Art Landscape
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