COVER FOR REFINING MADE OF FIRE-PROOF MATERIAL AND STUD USED IN REFRACTORY WORK

PROBLEM TO BE SOLVED: To provide an inexpensive cover for refining made of a fire-proof material which enables refractory work in a short period of time and is capable of prolong life of the fire-proof material and a stud, used in the refractory work represented by the cover, which has a large joini...

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Bibliographische Detailangaben
Hauptverfasser:	ICHIKAWA MITSUO, WATABE MASARU, NAKAJIMA KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS PERFORMING OPERATIONS POWDER METALLURGY RETORTS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inexpensive cover for refining made of a fire-proof material which enables refractory work in a short period of time and is capable of prolong life of the fire-proof material and a stud, used in the refractory work represented by the cover, which has a large joining force with iron shell, in a ladle cover for refining. SOLUTION: In the cover for refining made of the fire-proof material, its flat part is 1.4 m or more apart from a melted metal surface. In this regard, the flat part means a part whose rising angle is 45° or less. In the stud used for the refractory work, an attachment part to the iron shell is 20 mm or longer and in a shape (LV stud) formed with a rod-like steel in a V-shape joined to the attachment part to the iron shell or a shape (U stud) formed with both end parts of the attachment part to the iron shell raised as a U-shape. COPYRIGHT: (C)2004,JPO&NCIPI