专利名称：METHOD OF MANUFACTURING SEAMLESS
HOLLOW INGOT OF STEEL
发明人：Lippert, Frank,Tietze, Lutz,Keuerleber, Jens申请号：EP15171790.7申请日：20150612公开号：EP2959983B1公开日：20170111
摘要：the invention concerns a process for manufacturing a seamless hohlblockes 4a,b from a massive rundblock 1 made of steel with a hohlblockdurchmesser, by industry oraufweitendes rolling smaller or larger than the massive rundblock rolled is 1, in whichresources a three roller schr\ägwalzwerkes a between the rollers 2 held,a lochteil10 and at least one gl\ättteil 12 broken lochdorn 3a, b) of the hohlblock 4a, b isgenerated while using an identical walzensatzes for reductive and aufweitende rolling isthe setting for the rolling and the lochdorn determined by the equations to be made:
申请人：Salzgitter Mannesmann Rohr Sachsen GmbH,SALZGITTER MANNESMANNROHR SACHSEN GMBH,SALZGITTER MANNESMANN ROHR SACHSEN GMBH
地址：DE
国籍：DE
代理机构：Meissner, Peter E.
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