ALUMINUM TUBE SUPERIOR IN SURFACE QUALITY, MANUFACTURING METHOD THEREOF, MANUFACTURE DEVICE, AND PHOTORECEPTOR DRUM SUBSTRATE

ALUMINUM TUBE SUPERIOR IN SURFACE QUALITY, MANUFACTURING METHOD THEREOF, MANUFACTURE DEVICE, AND PHOTORECEPTOR DRUM SUBSTRATE

PROBLEM TO BE SOLVED: To provide a manufacturing method of manufacturing an aluminum tube which is free from surface defects like white scratches and is superior in surface quality, with high production efficiency. SOLUTION: In the manufacturing method of drawing an extruded tube 4 after extruding a...

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Bibliographische Detailangaben
Hauptverfasser: IWANAGA KOJI, SAGAWA KUNIHIRO, NOCHINAGA TAKESHI, MOMO YOICHI
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a manufacturing method of manufacturing an aluminum tube which is free from surface defects like white scratches and is superior in surface quality, with high production efficiency. SOLUTION: In the manufacturing method of drawing an extruded tube 4 after extruding an aluminum billet to obtain the extruded tube 4, the aluminum extruded tube 4 is cut in a position ≤10m off an ejection position M of an extrusion die to obtain the aluminum extruded tube 4 of which the length (R) is ≤10m, and this extruded tube 4 is subjected to drawing. COPYRIGHT: (C)2005,JPO&NCIPI