EP 0119154 A3 19850109 - ROLLING MILL ARRANGEMENT FOR THE PRODUCTION OF SEAMLESS STEEL PIPES
Title (en)
ROLLING MILL ARRANGEMENT FOR THE PRODUCTION OF SEAMLESS STEEL PIPES
Publication
Application
Priority
DE 3308782 A 19830310
Abstract (en)
[origin: EP0119154A2] In order to find a pipe rolling plant with low investment costs in which the pipe can be produced with a minimum of process steps without intermediate heating, it is proposed to arrange in sequence a crossrolling mill (3), equipped with rotating guide discs, for piercing the block, a crossrolling mill (4) equipped with rotating guide discs, for stretching and a reducing or sizing mill (5) for the final rolling of the pipe. <IMAGE>
IPC 1-7
IPC 8 full level
B21B 23/00 (2006.01); B21B 19/06 (2006.01); B21B 19/04 (2006.01)
CPC (source: EP)
B21B 19/06 (2013.01); B21B 19/04 (2013.01); B21B 23/00 (2013.01)
Citation (search report)
- [X] DE 2949970 A1 19800703 - VALLOUREC LORRAINE ESCAUT
- [A] DE 7639923 U1
- [A] DE 2156595 B2 19790419
- [A] US 2204491 A 19400611 - HEINRICH HEETKAMP
Designated contracting state (EPC)
FR GB IT SE
DOCDB simple family (publication)
EP 0119154 A2 19840919; EP 0119154 A3 19850109; DE 3308782 A1 19840913; ES 530452 A0 19841101; ES 8500773 A1 19841101; JP S59166307 A 19840919
DOCDB simple family (application)
EP 84730003 A 19840109; DE 3308782 A 19830310; ES 530452 A 19840309; JP 23960083 A 19831219