发明名称 Flanging process for the manufacture of metal containers or packages
摘要 The subject of the present invention is a process for flanging at least one end of a body 1 of cross-section which is circular, polygonal or oblong and which is constant or variable, with a view to the manufacture of metal containers or packages closed by at least one cap crimped to the body, being characterised in that the flange 2 of the said body is reduced by bending back through 180 DEG the material surplus 5 in order to obtain a flange having the width l1 suitable for carrying out the crimping. <IMAGE>
申请公布号 FR2574323(A1) 申请公布日期 1986.06.13
申请号 FR19840018854 申请日期 1984.12.07
申请人 SABATIER SA 发明人 YVES LHERMET
分类号 B21D51/26;(IPC1-7):B21D19/00;B65D8/04 主分类号 B21D51/26
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