OPENING PART WORKING METHOD OF BACKER FOR ALUMINUM EXTRUSION DIE

PROBLEM TO BE SOLVED: To permit taper working for a curved part of a backer by eliminating a cutting defect due to a difference in the cutting speed of a surface and a rear face in taper working of the curved part by gas fusion cutting. SOLUTION: The opening part of a backer 2 for aluminum extrusion...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE MASAO, ARISAWA MASAKATSU, OKAGO HARUHITO
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FORGE FURNACES FORGING HAMMERING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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