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:
Sep. 12, 1995
Filed:
Nov. 22, 1993
Applicant:
Inventors:
Assignee:
Intermetallics Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264123 ; 264109 ; 425352 ; 425410 ;
Abstract
Methods and apparatuses for producing a powder compacts are disclosed. A powder compaction apparatus includes a recess formed by die and a lower punch inserted into the die. The recess is loaded with rubber mold provided with a cavity shaped according to the desired configuration of the compact. Subsequently, the powder is packed in the cavity of the rubber mold, and an upper punch is placed on die to press the rubber mold with powder in the space formed by the die, the lower punch and the upper punch, thereby producing a powder compact.