发明名称 Verfahren zur Herstellung von einen Mittelsteg und Flansche aufweisenden Trägern
摘要 The disclosure relates to a process for producing girders in the shape of flanged sections, in particular T- or I-beams, in which at least one edge of the web is welded to the broad surface of at least one flange, wherein the improvement resides in that at least one flange is bent up on both sides of the predetermined welding seam line against the contraction angle to be expected during welding, by an angle which is greater than this contraction angle, and the flanges of the formed beam are bent back after welding into the desired position. This process has the advantage that one is independent from deformations in the welding machine, and that contraction stresses are eliminated.
申请公布号 AT296731(B) 申请公布日期 1972.02.25
申请号 AT19690011353 申请日期 1969.12.05
申请人 VEREINIGTE OESTERREICHISCHE EISEN- UND STAHLWERKE AKTIENGESELLSCHAFT 发明人
分类号 B21D47/01;B21D47/04;E04C3/04;E04C3/07;(IPC1-7):B21B7/02 主分类号 B21D47/01
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