发明名称 Method for the manufacture of a burner and device for carrying out this method, as well as a burner produced according to this method
摘要 Method for the manufacture of a burner from a sheet-metal strip by cutting, bending and stamping (deep-drawing) operations by means of a combined tool for cutting and profiling the ends (24) of the burner in the sheet-metal strip (20), producing, in the central portion (33), a profile (35) which includes an edge (34), bending the longitudinal rims (43, 44), stamping the profile (35) and forming gas jets (59) by cracking (tearing) the metal sheet in order finally to press the side walls against each other via their external faces. <IMAGE>
申请公布号 FR2652522(A1) 申请公布日期 1991.04.05
申请号 FR19900010054 申请日期 1990.08.03
申请人 VAILLANT SARL 发明人 HENSEL WERNER;MULLER WOLFGANG
分类号 F23D14/10;F23D14/46;(IPC1-7):B21D39/00;B21D51/16;F23D14/02 主分类号 F23D14/10
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