CRUCIBLE FOR THERMIT WELDING, AND THERMIT WELDING TOOL

PROBLEM TO BE SOLVED: To protect an ignition material and a thermit material in a crucible from water or oil by constituting the inside of the crucible formed of porous ceramics to be liquid-tight. SOLUTION: A thermit welding tool comprises a cylindrical crucible with a bottom having a penetration p...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIJIMA HIDENORI, FUNAMIZU DAISUKE
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING 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 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS RETORTS SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To protect an ignition material and a thermit material in a crucible from water or oil by constituting the inside of the crucible formed of porous ceramics to be liquid-tight. SOLUTION: A thermit welding tool comprises a cylindrical crucible with a bottom having a penetration part, and a thermit welding tool body part. A glass layer or a metal layer is deposited on the inner or outer surface of the crucible. The thermit welding tool body part comprises a cavity part forming a welding part and a passage communicating with the penetration part and the cavity part. The crucible is cartridge-shaped and is made freely attachable. COPYRIGHT: (C)2008,JPO&INPIT