Conical mast with a longitudinal laser welded seam

The method comprises continuously welding a longitudinal seam of a conically bound tubular mast blank (2) in conduit by a laser, where the column (5) of the mast blank is horizontally held in the conduit. The mast blank is subjected in the conduit for closing the column by activating means. The mast...

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Bibliographische Detailangaben
Hauptverfasser:	LÜCK, FRANZ, WIMMER, KARL, LIEB, HELMUT
Format:	Patent
Sprache:	dan
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING EMBANKMENTS EXCAVATIONS FENCING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MASTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOIL SHIFTING SOLDERING OR UNSOLDERING SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The method comprises continuously welding a longitudinal seam of a conically bound tubular mast blank (2) in conduit by a laser, where the column (5) of the mast blank is horizontally held in the conduit. The mast blank is subjected in the conduit for closing the column by activating means. The mast blank is subjected for closing the column on both sides adjoining to the column and in an area of the blank opposite to the column on other side. The position of the activating means is adapted in the conduit driven on the conical mast form. The mast is subjected to galvanizing. The method comprises continuously welding a longitudinal seam of a conically bound tubular mast blank (2) in conduit by a laser, where the column (5) of the mast blank is horizontally held in the conduit. The mast blank is subjected in the conduit for closing the column by activating means. The mast blank is subjected for closing the column on both sides adjoining to the column and in an area of the blank opposite to the column on other side. The position of the activating means is adapted in the conduit driven on the conical mast form. The mast is subjected to galvanizing. The mast blank is made of steel or stainless steel. An independent claim is included for a conical mast.