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B21B27/10

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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B27/00Rolls, roll alloys or roll fabrication Lubricating, cooling or heating rolls while in use

Current Industry

B21B27/10externally

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Narrow zone pilot controlled liquid actuated coolant control valve
- Patent number 12,115,568
- Issue date Oct 15, 2024
- US Controls Acquisition, Ltd.
- Jeffrey R. Fugate
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Rolling mill and rolling method for metal plate
- Patent number 12,103,060
- Issue date Oct 1, 2024
- PRIMETALS TECHNOLOGIES JAPAN, LTD.
- Yoichi Matsui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for rolling steel sheet and method for manufacturing steel s...
- Patent number 12,090,533
- Issue date Sep 17, 2024
- JFE Steel Corporation
- Ken Kurisu
- C21 - METALLURGY OF IRON
Information Patent Grant
Lamination lubricant dispensing unit for lubricating a working roll...
- Patent number 11,850,643
- Issue date Dec 26, 2023
- Blue Solutions Canada Inc.
- Jonathan Dube
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Working roller for a rolling mill for laminating a sheet of alkali...
- Patent number 11,794,227
- Issue date Oct 24, 2023
- Blue Solutions Canada Inc.
- Jonathan Dube
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for cold rolling an aluminum product and related cold rolli...
- Patent number 11,779,980
- Issue date Oct 10, 2023
- Danieli & C. Officine Meccaniche SpA
- Gianluca Bazzaro
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of emulsion concentration optimization for cold continuous r...
- Patent number 11,779,975
- Issue date Oct 10, 2023
- Baoshan Iron & Steel Co., Ltd.
- Tao Zheng
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling method, production method for metal sheet, and rolling device
- Patent number 11,772,142
- Issue date Oct 3, 2023
- JFE Steel Corporation
- Noriki Fujita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High-strength steel sheet and method for manufacturing same
- Patent number 11,661,642
- Issue date May 30, 2023
- JFE Steel Corporation
- Kazuki Endo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Regulating a rolling process
- Patent number 11,565,293
- Issue date Jan 31, 2023
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Martin Bergmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Roll stand having a hybrid cooling device
- Patent number 11,559,830
- Issue date Jan 24, 2023
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Markus Fischer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High friction rolling of thin metal strip
- Patent number 11,542,567
- Issue date Jan 3, 2023
- Nucor Corporation
- Tao Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Lubricating device for applying a lubricant when rolling a rolling...
- Patent number 11,440,067
- Issue date Sep 13, 2022
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Gernot Dirisamer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for preparing ultrafine-grained superalloy bar
- Patent number 11,420,241
- Issue date Aug 23, 2022
- NORTHWESTERN POLYTECHNICAL UNIVERSITY
- Dong Liu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stripping device for a roll stand
- Patent number 11,370,008
- Issue date Jun 28, 2022
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Paul Felix Dollhäubl
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Spray header for spraying a lubricating and/or refrigerating fluid
- Patent number 11,338,340
- Issue date May 24, 2022
- FIVE DMS
- Jérémie Freliez
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cooling a roll of a roll stand
- Patent number 11,338,339
- Issue date May 24, 2022
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Erich Opitz
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for rolling a product to be rolled
- Patent number 11,161,161
- Issue date Nov 2, 2021
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Matthias Holzweber
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing ring-rolled product
- Patent number 11,135,642
- Issue date Oct 5, 2021
- Hitachi Metals, Ltd.
- Takuya Murai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device and method for applying a liquid medium to a roll and/or to...
- Patent number 11,014,133
- Issue date May 25, 2021
- SMS group GMBH
- Jürgen Seidel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device and method for cooling a roll
- Patent number 10,967,409
- Issue date Apr 6, 2021
- SMS GROUP GMBH
- Matthias Kipping
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for containing viscous materials in roll proces...
- Patent number 10,953,447
- Issue date Mar 23, 2021
- Novelis Inc.
- Renato Rufino Xavier
- B08 - CLEANING
Information Patent Grant
Seal for use in cryogenic applications
- Patent number 10,940,516
- Issue date Mar 9, 2021
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Michael Trevor Clark
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pre-heating and thermal control of work rolls in metal rolling proc...
- Patent number 10,875,067
- Issue date Dec 29, 2020
- Novelis Inc.
- David Anthony Gaensbauer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot rolling method
- Patent number 10,870,138
- Issue date Dec 22, 2020
- Arcelormittal
- Christian Moretto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for cooling a roll in metal processing
- Patent number 10,814,365
- Issue date Oct 27, 2020
- Novelis Inc.
- David Edward Gantzer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High friction rolling of thin metal strip
- Patent number 10,815,544
- Issue date Oct 27, 2020
- Nucor Corporation
- Tao Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill such as, for example, a cold rolling mill
- Patent number 10,518,308
- Issue date Dec 31, 2019
- FIVES DMS
- Conrad Ernst De La Graete
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for application and suction-removal of operating fluids i...
- Patent number 10,507,503
- Issue date Dec 17, 2019
- SMS GROUP GMBH
- Andreas Berendes
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-forming apparatus and method for producing press-hardened shape...
- Patent number 10,472,691
- Issue date Nov 12, 2019
- ThyssenKrupp AG
- Maria Köyer
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve
- Publication number 20250001476
- Publication date Jan 2, 2025
- Jeffrey R. Fugate
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PREHEATING A WORKING ROLL FOR ROLLING
- Publication number 20240286181
- Publication date Aug 29, 2024
- Constellium Issoire
- Romain-Fabrice BERNES
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve
- Publication number 20230278086
- Publication date Sep 7, 2023
- US Controls Acquisition, Ltd.
- Jeffrey R. Fugate
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Reduction of Surface Defects During Finish Rolling of Hot Strip
- Publication number 20230226584
- Publication date Jul 20, 2023
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Heinz Fürst
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING MILL AND ROLLING METHOD FOR METAL PLATE
- Publication number 20230107171
- Publication date Apr 6, 2023
- PRIMETALS TECHNOLOGIES JAPAN, LTD.
- Yoichi MATSUI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLLING METHOD, PRODUCTION METHOD FOR METAL SHEET, AND ROLLING DEVICE
- Publication number 20220250129
- Publication date Aug 11, 2022
- JFE STEEL CORPORATION
- Noriki Fujita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PROCESS FOR COLD ROLLING AN ALUMINUM PRODUCT AND RELATED COLD ROLLI...
- Publication number 20220184680
- Publication date Jun 16, 2022
- Danieli & C. Officine Meccaniche Spa
- Gianluca Bazzaro
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR ROLLING STEEL SHEET AND METHOD FOR MANUFACTURING STEEL S...
- Publication number 20220088653
- Publication date Mar 24, 2022
- JFE STEEL CORPORATION
- Ken Kurisu
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF EMULSION CONCENTRATION OPTIMIZATION FOR COLD CONTINUOUS R...
- Publication number 20210299721
- Publication date Sep 30, 2021
- Baoshan Iron & Steel Co., Ltd
- Tao ZHENG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ROLL STAND HAVING A HYBRID COOLING DEVICE
- Publication number 20210245214
- Publication date Aug 12, 2021
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Markus FISCHER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
LAMINATION LUBRICANT DISPENSING UNIT FOR LUBRICATING A WORKING ROLL...
- Publication number 20210146416
- Publication date May 20, 2021
- Blue Solutions Canada Inc.
- Jonathan DUBE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
REGULATING A ROLLING PROCESS
- Publication number 20210129199
- Publication date May 6, 2021
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Martin BERGMANN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20210115541
- Publication date Apr 22, 2021
- JFE STEEL CORPORATION
- Kazuki ENDO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH FRICTION ROLLING OF THIN METAL STRIP
- Publication number 20200347470
- Publication date Nov 5, 2020
- Nucor Corporation
- Tao WANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FACILITY AND METHOD FOR COLD ROLLING METAL STRIP
- Publication number 20200324327
- Publication date Oct 15, 2020
- JFE STEEL CORPORATION
- Masaki Hirai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
- Publication number 20200306817
- Publication date Oct 1, 2020
- Hitachi Metals, Ltd.
- Takuya MURAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PREPARING ULTRAFINE-GRAINED SUPERALLOY BAR
- Publication number 20200276624
- Publication date Sep 3, 2020
- Northwestern Polytechnical University
- Dong LIU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ROLLING OF A ROLLED MATERIAL
- Publication number 20200269296
- Publication date Aug 27, 2020
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Martin BERGMANN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
LUBRICATING DEVICE FOR APPLYING A LUBRICANT WHEN ROLLING A ROLLING...
- Publication number 20200269295
- Publication date Aug 27, 2020
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Gernot DIRISAMER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF COOLING MAIN ROLL FOR RING ROLLING AND METHOD OF MANUFACT...
- Publication number 20200061686
- Publication date Feb 27, 2020
- Hitachi Metals, Ltd.
- Takuya MURAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SYSTEMS AND METHODS FOR COOLING A ROLL IN METAL PROCESSING
- Publication number 20190381546
- Publication date Dec 19, 2019
- Novelis Inc.
- David Edward Gantzer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF MAKING ALUMINIUM ROLLED PRODUCT HAVING AT LEAST ONE BRIGH...
- Publication number 20190381547
- Publication date Dec 19, 2019
- CONSTELLIUM ROLLED PRODUCTS SINGEN GMBH & CO.KG
- Pascal HERVIEU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH FRICTION ROLLING OF THIN METAL STRIP
- Publication number 20190309383
- Publication date Oct 10, 2019
- Nucor Corporation
- Tao WANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COOLING A ROLL OF A ROLL STAND
- Publication number 20190308233
- Publication date Oct 10, 2019
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Erich OPITZ
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DEVICE AND METHOD FOR APPLYING A LIQUID MEDIUM TO A ROLL AND/OR TO...
- Publication number 20190247901
- Publication date Aug 15, 2019
- SMS group GMBH
- Jürgen SEIDEL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STRIPPING DEVICE FOR A ROLL STAND
- Publication number 20190240709
- Publication date Aug 8, 2019
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Paul Felix DOLLHÄUBL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SPRAY HEADER FOR SPRAYING A LUBRICATING AND/OR REFRIGERATING FLUID
- Publication number 20190224732
- Publication date Jul 25, 2019
- FIVES DMS
- Jérémie FRELIEZ
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR ROLLING A PRODUCT TO BE ROLLED
- Publication number 20190151919
- Publication date May 23, 2019
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Matthias HOLZWEBER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
INDUCTION HEATED ROLL APPARATUS
- Publication number 20190150231
- Publication date May 16, 2019
- TOKUDEN CO., LTD.
- Yoshio Kitano
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve
- Publication number 20180154411
- Publication date Jun 7, 2018
- US Controls Acquisition, Ltd.
- Jeffrey R. Fugate
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Narrow zone pilot controlled liquid actuated coolant control valve

Rolling mill and rolling method for metal plate

Method for rolling steel sheet and method for manufacturing steel s...

Lamination lubricant dispensing unit for lubricating a working roll...

Working roller for a rolling mill for laminating a sheet of alkali...

Process for cold rolling an aluminum product and related cold rolli...

Method of emulsion concentration optimization for cold continuous r...

Rolling method, production method for metal sheet, and rolling device

High-strength steel sheet and method for manufacturing same

Regulating a rolling process

Roll stand having a hybrid cooling device

High friction rolling of thin metal strip

Lubricating device for applying a lubricant when rolling a rolling...

Method for preparing ultrafine-grained superalloy bar

Stripping device for a roll stand

Spray header for spraying a lubricating and/or refrigerating fluid

Cooling a roll of a roll stand

Method for rolling a product to be rolled

Method for manufacturing ring-rolled product

Device and method for applying a liquid medium to a roll and/or to...

Device and method for cooling a roll

Systems and methods for containing viscous materials in roll proces...

Seal for use in cryogenic applications

Pre-heating and thermal control of work rolls in metal rolling proc...

Hot rolling method

Systems and methods for cooling a roll in metal processing

High friction rolling of thin metal strip

Rolling mill such as, for example, a cold rolling mill

Apparatus for application and suction-removal of operating fluids i...

Hot-forming apparatus and method for producing press-hardened shape...

Patents Applicationslast 30 patents

Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve

METHOD FOR PREHEATING A WORKING ROLL FOR ROLLING

Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve

Reduction of Surface Defects During Finish Rolling of Hot Strip

ROLLING MILL AND ROLLING METHOD FOR METAL PLATE

ROLLING METHOD, PRODUCTION METHOD FOR METAL SHEET, AND ROLLING DEVICE

PROCESS FOR COLD ROLLING AN ALUMINUM PRODUCT AND RELATED COLD ROLLI...

METHOD FOR ROLLING STEEL SHEET AND METHOD FOR MANUFACTURING STEEL S...

METHOD OF EMULSION CONCENTRATION OPTIMIZATION FOR COLD CONTINUOUS R...

ROLL STAND HAVING A HYBRID COOLING DEVICE

LAMINATION LUBRICANT DISPENSING UNIT FOR LUBRICATING A WORKING ROLL...

REGULATING A ROLLING PROCESS

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME

HIGH FRICTION ROLLING OF THIN METAL STRIP

FACILITY AND METHOD FOR COLD ROLLING METAL STRIP

METHOD FOR MANUFACTURING RING-ROLLED PRODUCT

METHOD FOR PREPARING ULTRAFINE-GRAINED SUPERALLOY BAR

ROLLING OF A ROLLED MATERIAL

LUBRICATING DEVICE FOR APPLYING A LUBRICANT WHEN ROLLING A ROLLING...

METHOD OF COOLING MAIN ROLL FOR RING ROLLING AND METHOD OF MANUFACT...

SYSTEMS AND METHODS FOR COOLING A ROLL IN METAL PROCESSING

METHOD OF MAKING ALUMINIUM ROLLED PRODUCT HAVING AT LEAST ONE BRIGH...

HIGH FRICTION ROLLING OF THIN METAL STRIP

COOLING A ROLL OF A ROLL STAND

DEVICE AND METHOD FOR APPLYING A LIQUID MEDIUM TO A ROLL AND/OR TO...

STRIPPING DEVICE FOR A ROLL STAND

SPRAY HEADER FOR SPRAYING A LUBRICATING AND/OR REFRIGERATING FLUID

METHOD FOR ROLLING A PRODUCT TO BE ROLLED

INDUCTION HEATED ROLL APPARATUS

Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve