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:
Jan. 12, 1993
Filed:
Jun. 24, 1991
Sadayuki Dannoura, Yamaguchi, JP;
Hironori Yoshizu, Yamaguchi, JP;
Tadaaki Higuchi, Yamaguchi, JP;
Takashi Saito, Yamaguchi, JP;
Ube Industries, Ltd., , JP;
Abstract
In a method and apparatus for casting an engine block, a core holding portion located below an open upper mold located above a lower mold fixed on a stationary platen is caused to hold a water jacket formation destructive core surrounding a cylinder bore formation portion. Slide molds divided in a circumferential direction, located between the upper mold and the lower mold, and supported by the upper mold to be opened/closed in a horizontal direction is closed. Mold clamping is performed upon downward movement of the upper mold. A molten metal is injected at a high casting pressure of not less than 300 kg/cm.sup.2 from a molten metal injection sleeve open to a portion at which the lower mold is brought into direct contact with the upper mold.