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:
Nov. 01, 1994
Filed:
Apr. 30, 1993
Tokyo Yogyo Kabushiki Kaisha, Tokyo, JP;
Akechi Ceramics Co., Ltd., Gifu, JP;
Abstract
A sliding nozzle for a molten steel receiving vessel, which comprises: an upper nozzle (22) made of a refractory inserted vertically into a bottom wall of a molten steel receiving vessel; a fixed plate (23) made of a refractory secured horizontally and stationarily to a lower end of the upper nozzle; a horizontally and reciprocally movable sliding plate (24) made of a refractory arranged below the fixed plate; a lower nozzle (25) made of a refractory secured vertically and stationarily below the sliding plate, the lower nozzle comprising a nozzle body (27) and a metallic frame (28) fitted to a flange (27A) at an upper end of the nozzle body, the lower nozzle having a length sufficient to cause a lower end portion thereof to be immersed into molten steel in a mold; a fitting device (30) for pressing the lower nozzle (25) against the lower end of the upper nozzle (22) through the sliding nozzle (24) and the fixed plate (23); and a driving unit (26) for causing the sliding plate ( 24) to slide horizontally and reciprocally between the fixed plate (23) and the lower nozzle (25).
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