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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Nakao; Chikara
Address:
Hirakata, JP
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
8083869 Ferrous seal sliding parts and producing method thereof December 27, 2011
A ferrous seal sliding part excellent in heat crack resistance, seizure resistance and abrasion resistance is provided. The ferrous seal sliding part has a seal sliding surface, wherein the seal sliding surface has a quench hardened layer having a structure in which a martensite parent
7691213 Case hardened gear and method of producing the same April 6, 2010
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth flanks and having a temper hardness of HRC 50 or more at 300.degree. C. To this end, the rol
7422643 Rolling element and method of producing the same September 9, 2008
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth flanks and having a temper hardness of HRC 50 or more at 300.degree. C. To this end, the rol
6899774 High-toughness wear-resistant steel May 31, 2005
A primary purpose is to provide an inexpensive high-toughness wear-resistant steel having satisfactory toughness where its hardness is HRC 55 or more. This steel contains at least 0.21 to 0.80 wt % C; 0.3 to 2.0 wt % Al; and 0.5 to 4.0 wt % Ni as essential components and further cont
6309475 Rolling element and producing method October 30, 2001
For easily producing a toothed material for high-strength gears etc. with a plastic working technique, deformation resistance occurring in plastic working is reduced and stable high precision plastic working is enabled at lower temperatures. One or more types of heat treatment selected f










 
 
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