Sliding member, inner and outer blades of an electric shaver and film-forming method
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Sep 21, 1998
filing date -
Sep 22, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sliding member having a sliding surface for sliding contact with a cooperative member is disclosed. A protective film is deposited not only on the sliding surface but also a surface region immediately adjacent the sliding surface such that a ratio d1/d2 is controlled to be 1 or greater, where d1 is a thickness of the protective film on the sliding surface and d2 is a thickness of the protective film on the surface region immediately adjacent the sliding surface. Alternatively, the protective film is deposited at least on the sliding surface such that the protective film is varied in thickness to define an irregular top surface.
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