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. 14, 1995
Filed:
Mar. 10, 1994
Hiroaki Sano, Mihara, JP;
Takashi Yasukuni, Mihara, JP;
Masaaki Ohata, Mihara, JP;
Kiyotaka Nagai, Mihara, JP;
Hiroshi Matsuura, Mihara, JP;
Kunio Koshiishi, Tokyo, JP;
Yasuyoshi Hirama, Tokyo, JP;
Kyozaburo Ogawa, Tokyo, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Kao Quaker Co., Ltd., Tokyo, JP;
Abstract
A method of manufacturing a core and a mold for manufacturing a core or a mold using self-hardening molding sand or gas-hardening molding sand, wherein the self-hardening molding sand or the gas-hardening molding sand is charged in a core pattern or a flask while applying three-dimensional jolt, and a method of manufacturing a core and a mold for manufacturing a core or a mold using self-hardening molding sand, wherein air flow is precipitated by sucking the self-hardening molding sand in a core pattern or a flask.