Rolling mill for rolling or sizing metal pipes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 20, 2005
Grant Date -
Nov 27, 2003
app pub date -
Feb 21, 2003
filing date -
Mar 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rolling mill for rolling or sizing of metallic pipes, bars and wires has a plurality of rolling units which are arranged on a straight line close to one another and can be exchanged in total, partly or individually, each of the rolling units having at least three rolls which are arranged in a star-like configuration around a rolling mill axis, drive shafts and motors each driving a respective one of the rolls in all the rolling units, a rolling unit housing provided for the rolling units, roll bearings provided for the rolls, and multi-part roll shafts provided for supporting the rolls so that the rolls can be exchanged without dismounting of the rolling unit housing and the roll bearings, the rolling units holding the rolls inside and outside of the rolling mill in their operational positions.
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