Forging steel and its manufacturing method, and forged parts

Details Forging steel and its manufacturing method, and forged parts Forging steel and its manufacturing method, and forged parts

2007-04-24

2011-11-15

Yee, Deborah (Department: 1733)

Alloys or metallic compositions

Ferrous

Chromium containing, but less than 9 percent

C420S105000, C420S109000, C148S334000, C148S335000, C075S520000

Reexamination Certificate

active

08057737

ABSTRACT:
A forging steel has a dissolved Mg concentration within the range of 0.04-5 ppm by mass and a dissolved Al concentration within the range of 50-500 ppm.

REFERENCES:
patent: 5651937 (1997-07-01), Descaves
patent: 2005/0257644 (2005-11-01), Nakai et al.
patent: 2006/0096416 (2006-05-01), Nakai et al.
patent: 2006/0108027 (2006-05-01), Sugimura et al.
patent: 1 331 278 (2003-07-01), None
patent: 1 602 742 (2005-12-01), None
patent: 1 662 016 (2006-05-01), None
patent: 57 59295 (1982-04-01), None
patent: 58 35255 (1983-03-01), None
patent: 6-158226 (1994-06-01), None
patent: 07 188853 (1995-07-01), None
patent: 07 238342 (1995-09-01), None
patent: 2000 087179 (2000-03-01), None
patent: 2000 129402 (2000-05-01), None
patent: 2002 20842 (2002-01-01), None
patent: 2002 30387 (2002-01-01), None
patent: 2002-194502 (2002-07-01), None
patent: 2003 27189 (2003-01-01), None
patent: 2003 113448 (2003-04-01), None
patent: 2003 213386 (2003-07-01), None
patent: 2004 225128 (2004-08-01), None
Machine-English translation of Japanese patent 2004-225128, Kagawa Takanori et al., Aug. 12, 2004.
Machine-English translation of Japanese patent 2003-213386, Kimura Seii et al., Jul. 30, 2003.
Machine-English translation of Japanese patent 07-238339, Kawachi Yuji et al., Sep. 12, 1995.
Office Action issued Nov. 10, 2010, in China Patent Application No. 200780017290.9 (with English and Japanese translation).
Extended European Search report issued Dec. 29, 2010, in Application No. / Patent No. 07742283.0-2122 / 2036992 PCT/JP2007058848.
“Progress and Improvement of Crankshaft”, Journal of the Marine Engineering Society of Japan, vol. 8, No. 10, pp. 53-60 (1973) with partial English translation.
Omata, S. et al., “Research on Fatigue Strength of High Tensile Steels for Crankshaft”, Journal of the JIME, vol. 36, No. 6, pp. 385-390 (2001).

Affiliated with

Also associated with

Rating

Forging steel and its manufacturing method, and forged parts does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Forging steel and its manufacturing method, and forged parts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Forging steel and its manufacturing method, and forged parts will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4305827