HOLLOW DRIVE SHAFT WITH FLANGE AND METHOD FOR THE PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Jan 7, 2016
app pub date -
Feb 27, 2012
filing date -
Feb 27, 2012
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Abstract
A method for producing a tubular, hollow drive shaft, in particular a cardan shaft, from a pre-tube, in particular a longitudinally welded, normalized steel tube, which is extended by having the wall thickness thereof reduced at least sectionally by way of single or multiple ironing or another cold forming operation and/or by having the inner diameter and/or outer diameter thereof changed, wherein at least one pre-tube end or shaft end is configured into a flange that is integrated in one piece by to way of cold forming.
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