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:
Apr. 08, 2008
Filed:
Jan. 13, 2006
Bunji Ukaji, Aichi, JP;
Kenji Ogawa, Osaka, JP;
Toshiyuki Matsumoto, Aichi, JP;
Akira Nishihira, Osaka, JP;
Katsuyoshi Mukai, Osaka, JP;
Bunji Ukaji, Aichi, JP;
Kenji Ogawa, Osaka, JP;
Toshiyuki Matsumoto, Aichi, JP;
Akira Nishihira, Osaka, JP;
Katsuyoshi Mukai, Osaka, JP;
Nippon Crucible Co., Ltd., Tokyo, JP;
Daiki Aluminum Industry Co. Ltd., Osaka, JP;
Abstract
A pressure tapping type ladle for transferring molten-metal includes a ladle body for containing molten metal, a top cover covering a top opening of the ladle body, and an openable working cover covering an opening formed in a part of the top cover. The ladle also includes a molten-metal tapping portion extending from a lower portion of the ladle body to above the ladle body, wherein the working cover is equipped with a cover body covering the opening of the top cover, a gas inlet formed in a top panel of the cover body, and a heat-resistant layer provided inside the cover body. The heat-resistant layer is comprised of a gas-permeable fireproof material layer, and gas for pressurizing inside the ladle body is introduced from the gas inlet via the gas-permeable fireproof layer.