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:
Oct. 12, 1993
Filed:
Sep. 17, 1990
Takahiko Ookouchi, Katsuta, JP;
Hiromi Kagohara, Hitachi, JP;
Hiromu Hama, Katsuta, JP;
Mitsuo Nakagawa, Mito, JP;
Hitoshi Okoshi, Hitachi, JP;
Yoshitaka Nakayama, Hitachiota, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The invention relates to a molten metal plating apparatus including a roller rotatably supported by a bearing in a molten metal bath, the roller having a shaft sliding portion, the bearing having a sliding portion, both the shaft sliding portion and the sliding portion being made of ceramic sintered body, at least one of both the shaft of the roller and the bearing being made of a ceramic sintered body containing a solid lubricating material. The invention also relates to a die casting machine having a sleeve and a plunger tip both made of ceramic sintered bodies at least one of which contains a solid lubricating material. The bearing for the roller, the sleeve and the tip may be formed of a composite body having a ceramic sintered body portion and and a metal portion secured and fitted thereto by an intermediate member which is elastically and plastically deformed at the time of the usage. The composite structure formed by fitting is usable for other applications.