Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2007-01-09
2007-01-09
McNeil, Jennifer C. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S621000, C428S628000, C428S323000, C428S341000, C427S601000, C427S383100, C508S172000
Reexamination Certificate
active
10492311
ABSTRACT:
The present invention provides for a zinc-based coated steel sheet having a zinc-based coating layer and a lubricant film, which is formed on the zinc-based coating layer, containing zinc phosphate particles in an amount of 50 wt. % or more, and having substantially no reaction layer formed by reaction between the zinc-based coating and the zinc phosphate particles, and a method for the manufacture thereof. The zinc-based coated steel sheet according to the present invention has an excellent anti-peeling property, excellent frictional property, even in the non-lubricated condition which occurs at areas where the press oil film is broken, and excellent anti-galling property.
REFERENCES:
patent: 60-100684 (1985-06-01), None
patent: 60100684 (1985-06-01), None
patent: 2003-201584 (2003-07-01), None
Katagiri Tomokatsu
Kato Chiaki
Nakajima Seiji
Tobiyama Yoichi
DLA Piper (US) LLP
JFE Steel Corporation
McNeil Jennifer C.
Savage Jason L.
LandOfFree
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