EMBOSSED PIPE MANUFACTURING APPARATUS FOR EASILY WELDING BOTH SIDES OF EMBOSSED METAL SHEET AND EMBOSSED PIPE MANUFACTURING METHOD USING SAME

The present invention relates to an embossed pipe manufacturing apparatus comprising: an uncoiler for providing a planar metal sheet; a centering guide roller for guiding, to an embossing machine at the rear end thereof, the planar metal sheet supplied from the uncoiler; the embossing machine emboss...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEE, Changyub, LEE, Bohyun
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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