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:
Jun. 27, 1989
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Kiyoshi Fujino, Yamaguchi, JP;
Toyoaki Ueno, Yamaguchi, JP;
Assignee:
UBE Industries, Inc., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164 80 ; 164113 ; 164312 ; 164512 ; 164514 ; 164493 ; 164494 ;
Abstract
In an injection method of a die casting machine of the invention, an inner portion of a billet, excluding peripheral and bottom portions thereof, is melted in advance. The billet with the molten inner portion is supplied into an injection sleeve. The injection sleeve is then externally heated to melt the entire portion of the billet. The molten metal is injected into a die cavity.