in a continuous process

Industry

CPC
B21B17/04

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work

Current Industry

B21B17/04in a continuous process

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing multi-layered nuclear fuel cladding pipe
- Patent number 12,068,083
- Issue date Aug 20, 2024
- Gachon University of Industry-Academic cooperation Foundation
- Young Soo Yoon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Guide device for guiding a driving bar of a mandrel or for guiding...
- Patent number 11,801,541
- Issue date Oct 31, 2023
- Danieli & C. Officine Meccaniche SpA
- Annibale Bucci
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel with compensating grip
- Patent number 11,413,671
- Issue date Aug 16, 2022
- Anthony Alessandrini
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill for rolling concave, rod-shaped bodies
- Patent number 11,154,920
- Issue date Oct 26, 2021
- Danieli & C. Officine Meccaniche SpA
- Annibale Bucci
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Thin, narrow tube and drawing apparatus and drawing method for manu...
- Patent number 11,065,135
- Issue date Jul 20, 2021
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Kotaro Hanada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing hot-rolled seamless pipes having thickened ends
- Patent number 10,695,809
- Issue date Jun 30, 2020
- Vallourec Deutschland GmbH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for making seamless pipe
- Patent number 10,632,514
- Issue date Apr 28, 2020
- SMS GROUP GMBH
- Hubert Strank
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device and method to shape worked pieces
- Patent number 10,124,388
- Issue date Nov 13, 2018
- Repkon Machine and Tool Industry and Trade, Inc.
- Karl-Heinz Köstermeier
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel conveying device for a tube rolling mill
- Patent number 10,052,669
- Issue date Aug 21, 2018
- Danieli & C. Officine Meccaniche SpA
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacturing method of seamless metal pipe, mandrel mill, and auxi...
- Patent number 9,884,355
- Issue date Feb 6, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill and rolling method
- Patent number 9,789,522
- Issue date Oct 17, 2017
- SMS GROUP GMBH
- Walter Hoeffgen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling plant, rolling mill and rolling method
- Patent number 9,636,725
- Issue date May 2, 2017
- SMS Innse S.p.A.
- Guido Emilio Zanella
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacturing method and manufacturing apparatus of seamless metal...
- Patent number 9,597,718
- Issue date Mar 21, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing seamless hot-rolled pipes in continuous pipe r...
- Patent number 9,381,554
- Issue date Jul 5, 2016
- Vallourec Deutschland GmbH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel mill and method for manufacturing seamless pipe or tube
- Patent number 9,302,302
- Issue date Apr 5, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for rolling tubes in a continuous multi-stand rolling mill
- Patent number 9,283,599
- Issue date Mar 15, 2016
- Danieli & C. Officine Meccaniche SpA
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and device for the optimized circulation of rods in the prod...
- Patent number 9,248,483
- Issue date Feb 2, 2016
- Vallourec Deutschland GmbH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel conveying device for a tube rolling mill
- Patent number 9,205,473
- Issue date Dec 8, 2015
- Danieli & C. Officine Meccaniche SpA
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill stand and related rolling mill for longitudinally roll...
- Patent number 9,180,502
- Issue date Nov 10, 2015
- Danieli & C. Officine Meccaniche SpA
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing seamless tubes by means of a three-roll bar ro...
- Patent number 9,056,341
- Issue date Jun 16, 2015
- V & M Deutschland GmbH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for adjusting rolling positions of rolling rolls constitutin...
- Patent number 8,939,004
- Issue date Jan 27, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of and rolling mill for making seamless steel pipe
- Patent number 8,904,839
- Issue date Dec 9, 2014
- SMS MEER GMBH
- Walter Hoeffgen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill for long articles
- Patent number 8,857,235
- Issue date Oct 14, 2014
- SMS Innse SpA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill for long articles
- Patent number 8,800,339
- Issue date Aug 12, 2014
- SMS Innse SpA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill stand and related rolling mill for longitudinally roll...
- Patent number 8,640,516
- Issue date Feb 4, 2014
- Danieli & C. Officine Meccanicite S.p.A.
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Multi-roll mandrel mill and method of producing seamless tubes
- Patent number 8,601,844
- Issue date Dec 10, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mandrel mill and method for manufacturing seamless pipe or tube
- Patent number 8,584,498
- Issue date Nov 19, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Retract mandrel mill and method for rolling tube blank
- Patent number 8,490,450
- Issue date Jul 23, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production method of seamless pipe or tube, and oxidizing gas suppl...
- Patent number 8,464,568
- Issue date Jun 18, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Kouji Nakaike
- C21 - METALLURGY OF IRON
Information Patent Grant
Tube rolling plant
- Patent number 8,387,430
- Issue date Mar 5, 2013
- SMS Innse SpA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Device and method for handling mandrel rods in a tube rolling mill
- Publication number 20230201900
- Publication date Jun 29, 2023
- SMS group GMBH
- Walter KIRCHNER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
GUIDE DEVICE FOR GUIDING A DRIVING BAR OF A MANDREL OR FOR GUIDING...
- Publication number 20220219213
- Publication date Jul 14, 2022
- Danieli & C. Officine Meccaniche Spa
- Annibale Bucci
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Mandrel With Compensating Grip
- Publication number 20200164418
- Publication date May 28, 2020
- Anthony Alessandrini
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-STAND ROLLING MILL FOR ROD-SHAPED BODIES COMPRISING THREE MOT...
- Publication number 20180304327
- Publication date Oct 25, 2018
- Danieli & C. Officine Meccaniche S.P.A.
- Ettore CERNUSCHI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND APPARATUS FOR MAKING SEAMLESS PIPE
- Publication number 20180169725
- Publication date Jun 21, 2018
- Hubert STRANK
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING HOT-ROLLED SEAMLESS PIPES HAVING THICKENED ENDS
- Publication number 20170216896
- Publication date Aug 3, 2017
- VALLOUREC DEUTSCHLAND GMBH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COMBINED APPARATUS FOR ROLLING SEAMLESS TUBES
- Publication number 20170173650
- Publication date Jun 22, 2017
- SMS INNSE SPA
- Fabio Giovanni Antonio LACAPRUCCIA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COMPACT PLANT FOR ROLLING SEAMLESS TUBES
- Publication number 20170165729
- Publication date Jun 15, 2017
- SMS INNSE SPA
- Fabio Giovanni Antonio LACAPRUCCIA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING PLANT, ROLLING MILL AND ROLLING METHOD
- Publication number 20150246381
- Publication date Sep 3, 2015
- SMS INNSE S.P.A.
- Guido Emilio Zanella
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL AND ROLLING METHOD
- Publication number 20140223984
- Publication date Aug 14, 2014
- SMS Meer GmbH
- Walter HOEFFGEN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL FOR LONG ARTICLES
- Publication number 20140083152
- Publication date Mar 27, 2014
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES IN CONTINUOUS PIPE R...
- Publication number 20130333433
- Publication date Dec 19, 2013
- V & M DEUTSCHLAND GMBH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLL...
- Publication number 20130298631
- Publication date Nov 14, 2013
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPE OR TUBE
- Publication number 20130205860
- Publication date Aug 15, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTIN...
- Publication number 20130180300
- Publication date Jul 18, 2013
- Akihito YAMANE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLL...
- Publication number 20130133392
- Publication date May 30, 2013
- Danieli & C. Officine Meccaniche Spa
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANDREL BAR CLEANING FACILITY
- Publication number 20130118527
- Publication date May 16, 2013
- Sumitomo Metal Industries, Ltd.
- Kouji Nakaike
- B08 - CLEANING
Information Patent Application
TUBE ROLLING PLANT
- Publication number 20130074563
- Publication date Mar 28, 2013
- SMS INNSE SPA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PROCESS FOR ROLLING TUBES IN A CONTINUOUS MULTI-STAND ROLLING MILL
- Publication number 20130061646
- Publication date Mar 14, 2013
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL FOR LONG ARTICLES
- Publication number 20130036784
- Publication date Feb 14, 2013
- SMS INNSE SPA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANDREL CONVEYING DEVICE FOR A TUBE ROLLING MILL
- Publication number 20130008219
- Publication date Jan 10, 2013
- Ettore Cernuschi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND DEVICE FOR THE OPTIMIZED CIRCULATION OF RODS IN THE PROD...
- Publication number 20120272704
- Publication date Nov 1, 2012
- V & M DEUTSCHLAND GMBH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
RETRACT MANDREL MILL AND METHOD FOR ROLLING TUBE BLANK
- Publication number 20120174646
- Publication date Jul 12, 2012
- Sumitomo Metal Industries, Ltd.
- Akihito YAMANE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-ROLL MANDREL MILL AND METHOD OF PRODUCING SEAMLESS TUBES
- Publication number 20120174642
- Publication date Jul 12, 2012
- Sumitomo Metal Industries, Ltd.
- Akihito YAMANE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DEVICE FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTIN...
- Publication number 20120151979
- Publication date Jun 21, 2012
- Sumitomo Metal Industries, Ltd.
- Akihito YAMANE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TUBE ROLLING PLANT
- Publication number 20120137745
- Publication date Jun 7, 2012
- SMS Innse SPA
- Paolo Marin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING SEAMLESS TUBES BY MEANS OF A THREE-ROLL BAR RO...
- Publication number 20120125068
- Publication date May 24, 2012
- V & M DEUTSCHLAND GMBH
- Rolf Kümmerling
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Production Method of Seamless Pipe or Tube, and Oxidizing Gas Suppl...
- Publication number 20110239720
- Publication date Oct 6, 2011
- Kouji Nakaike
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANDREL BAR CLEANING FACILITY
- Publication number 20100269868
- Publication date Oct 28, 2010
- Sumitomo Metal Industries, Ltd.
- Kouji Nakaike
- B08 - CLEANING
Information Patent Application
MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPE OR TUBE
- Publication number 20100251792
- Publication date Oct 7, 2010
- Akihito Yamane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

in a continuous process

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for manufacturing multi-layered nuclear fuel cladding pipe

Guide device for guiding a driving bar of a mandrel or for guiding...

Mandrel with compensating grip

Rolling mill for rolling concave, rod-shaped bodies

Thin, narrow tube and drawing apparatus and drawing method for manu...

Method for producing hot-rolled seamless pipes having thickened ends

Method and apparatus for making seamless pipe

Device and method to shape worked pieces

Mandrel conveying device for a tube rolling mill

Manufacturing method of seamless metal pipe, mandrel mill, and auxi...

Rolling mill and rolling method

Rolling plant, rolling mill and rolling method

Manufacturing method and manufacturing apparatus of seamless metal...

Method for producing seamless hot-rolled pipes in continuous pipe r...

Mandrel mill and method for manufacturing seamless pipe or tube

Process for rolling tubes in a continuous multi-stand rolling mill

Method and device for the optimized circulation of rods in the prod...

Mandrel conveying device for a tube rolling mill

Rolling mill stand and related rolling mill for longitudinally roll...

Method for producing seamless tubes by means of a three-roll bar ro...

Method for adjusting rolling positions of rolling rolls constitutin...

Method of and rolling mill for making seamless steel pipe

Rolling mill for long articles

Rolling mill for long articles

Rolling mill stand and related rolling mill for longitudinally roll...

Multi-roll mandrel mill and method of producing seamless tubes

Mandrel mill and method for manufacturing seamless pipe or tube

Retract mandrel mill and method for rolling tube blank

Production method of seamless pipe or tube, and oxidizing gas suppl...

Tube rolling plant

Patents Applicationslast 30 patents

Device and method for handling mandrel rods in a tube rolling mill

GUIDE DEVICE FOR GUIDING A DRIVING BAR OF A MANDREL OR FOR GUIDING...

Mandrel With Compensating Grip

MULTI-STAND ROLLING MILL FOR ROD-SHAPED BODIES COMPRISING THREE MOT...

METHOD AND APPARATUS FOR MAKING SEAMLESS PIPE

METHOD FOR PRODUCING HOT-ROLLED SEAMLESS PIPES HAVING THICKENED ENDS

COMBINED APPARATUS FOR ROLLING SEAMLESS TUBES

COMPACT PLANT FOR ROLLING SEAMLESS TUBES

ROLLING PLANT, ROLLING MILL AND ROLLING METHOD

ROLLING MILL AND ROLLING METHOD

ROLLING MILL FOR LONG ARTICLES

METHOD FOR PRODUCING SEAMLESS HOT-ROLLED PIPES IN CONTINUOUS PIPE R...

ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLL...

MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPE OR TUBE

METHOD FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTIN...

ROLLING MILL STAND AND RELATED ROLLING MILL FOR LONGITUDINALLY ROLL...

MANDREL BAR CLEANING FACILITY

TUBE ROLLING PLANT

PROCESS FOR ROLLING TUBES IN A CONTINUOUS MULTI-STAND ROLLING MILL

ROLLING MILL FOR LONG ARTICLES

MANDREL CONVEYING DEVICE FOR A TUBE ROLLING MILL

METHOD AND DEVICE FOR THE OPTIMIZED CIRCULATION OF RODS IN THE PROD...

RETRACT MANDREL MILL AND METHOD FOR ROLLING TUBE BLANK

MULTI-ROLL MANDREL MILL AND METHOD OF PRODUCING SEAMLESS TUBES

DEVICE FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTIN...

TUBE ROLLING PLANT

METHOD FOR PRODUCING SEAMLESS TUBES BY MEANS OF A THREE-ROLL BAR RO...

Production Method of Seamless Pipe or Tube, and Oxidizing Gas Suppl...

MANDREL BAR CLEANING FACILITY

MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPE OR TUBE