The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2000
Filed:
Dec. 03, 1998
Applicant:
Inventors:
Takayoshi Shimizu, Ichinomiya, JP;
Tetsuya Kondoh, Nagoya, JP;
Assignees:
Daido Tokushuko Kabushiki Kaisha, Aichi, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75246 ; 75244 ;
Abstract
A corrosion resistant sintered body having excellent ductility is provided by sintering, at temperatures of not less than 1050 to less than 1300.degree. C., powders which are composed by adding metal compound of B to and mixing with powders of ferrite stainless steel containing C.ltoreq.0.1 wt %, Si.ltoreq.3.0 wt %, Mn.ltoreq.0.30 wt %, Ni.ltoreq.2.0%, 11 wt %.ltoreq.Cr.ltoreq.22 wt %, Mo.ltoreq.3.0%, and the rest being substantially Fe, at an amount of B in the mixed powders being between more than 0.03 wt % and less than 0.2 wt % based on the weight of the powder.