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:
Dec. 06, 1988
Filed:
Mar. 04, 1987
Applicant:
Inventor:
Noriyuki Motomura, Zama, JP;
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
1641471 ; 164500 ; 164312 ;
Abstract
In apparatus for supplying molten metal to an injection sleeve of a die cast machine from a pot containing the molten metal through a metal supply pipe, an electromagnetic pump is provided including an electromagnetic coil surrounding the molten metal supply pipe and a magnetic core inserted into the molten metal supply pipe from inside of the pot. The inner surface of the molten metal supply pipe is coated with a ceramic layer formed by centrifugal thermit method.