Title:
連続マルチスタンド圧延機で管を圧延するためのプロセス
Document Type and Number:
Japanese Patent JP2014510640
Kind Code:
A
Abstract:
A tube rolling plant (R) with multi-stand rolling mill having two or more rollers, for implementing a mandrel rolling process with controlled speed has a mandrel (31) which is inserted into the hollow body (39) from the frontal opening thereof by passing it first through the rolling mill (5). An opposite movement (L3) with respect to the rolling direction is imparted to the mandrel (31) by way of the hooking device (61) when rolling the hollow body (39) and the rear end of the rolled tube (42) is extracted at the end of the rolling operation.
More Like This:
Inventors:
Cernuski, Ettore
Skarmana, Claudio Maria
Skarmana, Claudio Maria
Application Number:
JP2013557110A
Publication Date:
May 01, 2014
Filing Date:
March 09, 2012
Export Citation:
Assignee:
Danieli and Chi. Officine Meccanik Sochieta Per Azioni
International Classes:
B21B25/02; B21B17/08
Domestic Patent References:
| JPS61289905A | 1986-12-19 |
Foreign References:
| EP1764167B1 | 2009-09-16 | |||
| WO2011000819A2 | 2011-01-06 |
Attorney, Agent or Firm:
Shinei Patent Office