Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaharu Hatta0
Hiroshi Kanemitsu0
Date of Patent
April 27, 2010
0Patent Application Number
117946070
Date Filed
December 27, 2005
0Patent Primary Examiner
Patent abstract
A sliding surface 4A of a shoe 4 undergoes laser radiation in a shape of a large number of parallel lines to form a large number of swollen portions 6 and concave portions 7 in adjacent positions thereof. The swollen portions 6 and the inner side thereof become direct-hardened portions 11 with a high hardness and the concave portions 7 and the inner side thereof become double-hardened portions 12, which are lower in hardness than the swollen portions 6.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
