Hardened skin care instrument
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 4, 2003
Grant Date -
Dec 19, 2002
app pub date -
Aug 7, 2001
filing date -
Jun 16, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hardened skin care instrument having a file tooth portion formed by an electroplating process is disclosed. The instrument including a handle part with a recessed portion formed thereon, and a head part comprises an abrasive piece attached to the head part. The abrasive piece includes a plurality of release grooves that are produced by corroding a selected portion of a copper film laid on one surface of a base made of synthetic resin, and a plurality of file tooth portions that are formed by adhering abrasive powder to the remaining portion of the copper film by an electroplating. The release grooves and file tooth portions are arranged to cross over each other.
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