STIRRER SHAFT PIPE AND METHOD FOR PRODUCING SAME

The present invention is a stirrer shaft pipe constituting a shaft of a stirrer for glass production formed by the shaft and a stirring blade protrusively provided at the shaft, having a multilayered structure of n layers (n=2 to 5) in which a plurality of pipes are laminated, wherein in at least th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI TOSHIYA, TAKAGI YOSHIKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GLASS MACHINE TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention is a stirrer shaft pipe constituting a shaft of a stirrer for glass production formed by the shaft and a stirring blade protrusively provided at the shaft, having a multilayered structure of n layers (n=2 to 5) in which a plurality of pipes are laminated, wherein in at least the pipe of one layer of the plurality of pipes constituting the multilayered structure, a crystal grain aspect ratio (a longitudinal direction/a radial direction) in a material structure of a section in the longitudinal direction is 10 to 100, and a crystal grain aspect ratio (a circumferential direction/a sectional direction) in the material structure of a section in the circumferential direction is 5 to 100.