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:
Jul. 23, 1985
Filed:
Aug. 28, 1984
Masuo Sugie, Tokoname, JP;
Koji Kurihara, Kariya, JP;
Yoshiro Aiba, Anjo, JP;
Nobiru Komatsu, Tokai, JP;
Haruo Ootuka, Ohbu, JP;
Kaoru Nishikido, Aichi, JP;
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
A porous ceramic structure adapted in a molten metal container in a way such that the structure pierces the wall of the container for introducing a gas thereinto. The structure comprises a main body made of a porous ceramic material and having a recession on the side adjacent to the outer surface of the container and a sub-body made of a porous ceramic material fitted in the recession of the main body. This ceramic structure enables the operator to make timely judgment for its replacement with new one before it breaks down to cause leakage of molten metal from its container.