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:
Feb. 05, 2002
Filed:
Nov. 03, 1999
Applicant:
Inventors:
Takehiro Tsuchida, Kobe, JP;
Hiroshi Yaguchi, Kobe, JP;
Tetsuya Sawayama, Yakasago, JP;
Masaaki Sato, Takasago, JP;
Yoshikazu Seki, Takasago, JP;
Nobuaki Akagi, Takasago, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/12 ;
U.S. Cl.
CPC ...
B22F 3/12 ;
Abstract
A method for compacting powders for powder metallurgy comprises packing powders for powder metallurgy formulated with a lubricant in a compacting die applied with a lubricant on inner wall surfaces thereof, and subjecting the powders to warm or hot compaction. The powders contain the lubricant in an amount up to 0.2 wt %, non-inclusive of 0%, based on the total of the powders and the lubricant.