发明名称 PROCESS FOR THE PRODUCTION OF A CAN BY WALL IRONING
摘要 Process for the production of a can comprising a base and a tubular body from sheet metal which is coated on at least one side with a layer of plastic, in which process, firstly, a round disc is produced from the sheet metal, which disc is then deep-drawn into a cup which is coated at least on the outside with the layer of plastic, after which this cup is formed into a can by wall ironing, the wall ironing taking place in a single stroke by moving the cup successively through a plurality of wall-ironing rings, in which process an optionally metal-coated steel sheet is used as the sheet metal, and in which process the entry angle for each of the successive at least three wall-ironing rings is smaller than that of the preceeding ring.
申请公布号 WO9944766(A1) 申请公布日期 1999.09.10
申请号 WO1999EP01010 申请日期 1999.02.18
申请人 HOOGOVENS STAAL B.V.;RAS, HENDRIK, BASTIAAN 发明人 RAS, HENDRIK, BASTIAAN
分类号 B21D51/26;B21D22/28;(IPC1-7):B21D22/28 主分类号 B21D51/26
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