MANUFACTURE OF SQUARE STEEL TUBE

PURPOSE:To manufacture of square steel tubes of a large sectional size by abutting the top end of a succeeding steel tube on the rear end of a preceding steel tube to provide a propelling force for the preceding tube by a pushing force of the succeeding tube. CONSTITUTION:A square steel tube rolling...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TODO KUNIO, YAMASHITA YUHEI
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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