Invention Application
- Patent Title: Flat plate member with a gear portion and a process for making the same
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Application No.: US09892372Application Date: 2001-06-28
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Publication No.: US20020014291A1Publication Date: 2002-02-07
- Inventor: Haruki Ito , Yukio Isomura , Naoyuki Yamada
- Applicant: AISIN SEIKI KABUSHIKI KAISHA
- Applicant Address: JP Kariya-shi
- Assignee: AISIN SEIKI KABUSHIKI KAISHA
- Current Assignee: AISIN SEIKI KABUSHIKI KAISHA
- Current Assignee Address: JP Kariya-shi
- Priority: JP2000-194795 20000628
- Main IPC: C22C038/00
- IPC: C22C038/00 ; C21D009/32 ; C21D008/00
Abstract:
A flat plate member with gear portion is formed to a predetermined shape by pressing a flat steel raw material having a composition comprising, by weight, 0.10-0.18% C, less than 0.03% Si, 0.60-1.50% Mn, less than 0.020% P, less than 0.013% S, 0.001-0.004% B and the balance Fe with inevitable impurities, wherein quenching is performed on only the gear portion.
Public/Granted literature
- US06488788B2 Flat plate member with a gear portion and a process for making the same Public/Granted day:2002-12-03
Information query
