| Patents for B21B 45 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (6,955) |
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| 08/18/1992 | CA1306391C Process for treatment of rolled steel to increase resistance to corrosion |
| 08/06/1992 | WO1992012918A1 Conveyor belt system and heater utilizing said system |
| 08/06/1992 | CA2097513A1 Conveyor belt system and heater utilizing said system |
| 07/29/1992 | EP0406249B1 Installation for manufacturing hot-rolled steel strip |
| 07/28/1992 | US5133205 System and process for forming thin flat hot rolled steel strip |
| 07/22/1992 | CN2110526U Double slit type water curtain cooler |
| 07/21/1992 | US5131126 Softening surface oxide layer with alkaline earth metal chloride, annealing, mechanical descaling |
| 07/09/1992 | DE4200292A1 Cleaning-polishing device for surfaces of blanks - has constant circulation of working blades |
| 07/09/1992 | CA2059045A1 Centrifugal mechanical descaling and polishing machine |
| 07/01/1992 | EP0492226A2 Method of and installation for rolling hot wide strip starting from continuous cast thin slab |
| 06/30/1992 | US5125987 Method for direct patenting of a hot-rolled wire rod |
| 06/25/1992 | DE4041205A1 Hot rolling of strip from thin cast sections |
| 06/17/1992 | EP0489964A1 Improvements in or relating to rolling metal products |
| 06/09/1992 | US5119655 Speed control method and system for high-speed rolling |
| 06/09/1992 | CA1302849C Method and apparatus for preliminary treatment of stainless steel forcold rolling |
| 06/03/1992 | CN1016850B Method and apparatus for preliminary treatment of stainless steel for cold rolling |
| 06/02/1992 | US5118041 Linear water spray device for cooling sheet metal |
| 05/29/1992 | WO1992008557A1 System and process for forming thin flat hot rolled steel strip |
| 05/27/1992 | EP0232331B1 Roll forming of metal articles |
| 05/27/1992 | CN1061364A System and process for forming thin flat hot rolled steel strip |
| 05/19/1992 | US5113681 Method and apparatus for forming a titanium or titanium alloy sheet element with a contoured surface |
| 05/14/1992 | DE4036043A1 Reducing scale formation during cooling of rolled steel - comprises passing through pressurised water cooling unit to prevent air contact |
| 05/13/1992 | EP0484882A1 Continuous hot strip rolling system and method thereof |
| 05/06/1992 | EP0383786B1 Device for producing a water curtain |
| 04/21/1992 | US5105638 Method and machine for rolling a metal workpiece at a reduced rolling load |
| 04/07/1992 | US5102468 Used in the production of seamless tubes |
| 04/07/1992 | US5101652 Insulating heat retention system and method |
| 04/02/1992 | DE4030388A1 Spray valve for nozzle bank in rolling mill stand - is controlled by electromagnet bolt which when (de)activated forces ball to left or right for fluid flow or evacuation in chamber |
| 04/01/1992 | CN1016043B Method and apparatus for cooling metal strip |
| 03/31/1992 | US5099667 System for suspending and applying solid lubricants to tools or work pieces |
| 03/25/1992 | EP0476467A2 Method for manufacturing bright round steel bars |
| 03/12/1992 | DE4028542A1 Intermediate heating unit for hot rolled metal strip - comprises idler roll set between two rolling stages pushing strip into loop inside induction heater housing |
| 03/04/1992 | EP0372016B1 Method in the processing of aluminium and the use of certain acids in oils therefor |
| 02/25/1992 | US5090225 Method for cooling and lubricating chiplessly shaped metals |
| 02/11/1992 | US5086826 Apparatus for the after-cooling and coiling of cast metal strips |
| 02/11/1992 | CA1295479C2 Heat retaining means |
| 02/06/1992 | WO1992001524A1 Method of manufacturing metal strip |
| 01/29/1992 | EP0468716A2 Insulating heat retention apparatus |
| 01/28/1992 | US5084358 Composite-coated flat-rolled sheet metal manufacture and product |
| 01/27/1992 | CA2047872A1 Insulating heat retention system and method |
| 01/14/1992 | US5080727 Metallic material having ultra-fine grain structure and method for its manufacture |
| 01/14/1992 | US5079939 Rolling mill strip wipers |
| 01/08/1992 | EP0464890A1 Cooling system for cooling a moving metal strip |
| 12/27/1991 | EP0462957A2 Device for the accelerated cooling of a moving metal product |
| 12/17/1991 | CA1293115C Apparatus and method for inproving hot strip mill processing |
| 12/10/1991 | US5071072 Pilot controlled liquid actuated coolant control valves |
| 12/04/1991 | CN1015014B Roller mechanim for free deformation treatment of moving belt product |
| 11/21/1991 | EP0457358A2 Method and apparatus for spinning |
| 11/21/1991 | EP0457142A2 Device for positioning and coiling up cast metal strips |
| 11/19/1991 | US5065811 Apparatus for the manufacture of hot rolled steel strip |
| 11/12/1991 | CA1292032C Oil film bearing and bushing |
| 10/29/1991 | US5060499 Rolling stand with multiple rolls supported as cantilevers for high-speed rolling |
| 10/23/1991 | EP0453321A1 Method for descaling hot-rolled stainless steel strip |
| 10/22/1991 | US5058410 Method and apparatus fo producing thin wire, rod, tube, and profiles, from steels and alloys with low deformability, particularly hardenable steels |
| 10/10/1991 | DE4019909A1 Rolled material cooling pipe - contains bushes increasing turbulence with lengthwise grooves offset in peripheral direction |
| 10/09/1991 | EP0449868A1 The operation of a multi-stand hot rolling mill. |
| 10/02/1991 | EP0449003A2 Apparatus for cooling rolled strip |
| 10/02/1991 | DE4009868A1 Rolled strip cooler - with spray beams sliding across line of material travel at the cooling roller conveyor for close temp. tolerances |
| 10/01/1991 | US5052624 Ultra high pressure water cleaning tool |
| 09/26/1991 | DE4009228A1 Differential cooling system for profiled metal prods. e.g. rails - has controlled flows of pressurised water, some mixed with air, directed at different parts of prod. |
| 09/24/1991 | US5050418 Bar steel rolling mill with a cooling segment for thermomechanical finish rolling |
| 09/19/1991 | DE4107216A1 Lubrication device for sheet metal strips - has free spaces in application roller body surface |
| 09/18/1991 | CN1013934B Roll forming of metal articles |
| 09/11/1991 | EP0362241A4 Coolant flow control |
| 09/05/1991 | DE4012962A1 Adjustable coating of wire with e.g. lubricant dispersion - is performed after heating to 10 K above coating material temp. for duration of at least 100 milliseconds |
| 08/29/1991 | DE4017293C1 High pressure fluid cleaning method - involves using equation with deviation detected to selectively halt operation |
| 08/28/1991 | EP0443304A2 Cooling device for a moving cylindrical object |
| 08/27/1991 | US5042281 Isothermal sheet rolling mill |
| 08/27/1991 | US5042209 Process for charging a carrier gas stream with a free-flowing material and process for operating the device |
| 08/22/1991 | WO1991012907A1 Device for abrasive powder descaling of cylindrical rolled stock |
| 08/22/1991 | WO1991012096A1 Method for descaling the surface of hot-rolled strip |
| 08/21/1991 | EP0442864A1 Method and arrangement for rolling of rods and wires |
| 08/21/1991 | CN1013555B Cooling tube for roll lines |
| 08/08/1991 | DE4102604A1 Controlled cooling of wide flat prod. - esp. for uniform cooling of hot steel strip |
| 08/07/1991 | EP0440009A2 Device and method for the modulated cooling of a moving cylindrical object |
| 08/07/1991 | CN2082205U Electrically controlled water cooling spraying apparatus |
| 08/06/1991 | US5036689 Descaling rolled material |
| 07/31/1991 | EP0438607A1 Coiled steel strip with solid lubricant coating |
| 07/30/1991 | US5035403 Apparatus for cooling a cylindrical member in linear motion |
| 07/30/1991 | US5035036 Arrangement for manufacturing steel strips |
| 07/23/1991 | US5033926 Heat retaining means |
| 07/16/1991 | US5032303 Method in the processing of aluminum and the use of certain acids in oils therefor |
| 07/16/1991 | US5031432 Measuring temperature |
| 07/10/1991 | EP0435897A1 A method for grinding steel. |
| 06/23/1991 | CA2032881A1 Durable method for producing finned tubing |
| 06/19/1991 | EP0432408A1 Device for application of a lubricant suspension containing graphite |
| 06/19/1991 | CN2079092U Water curtain cooling device |
| 06/19/1991 | CN1052265A Apparatus for roll forming metal articles |
| 06/12/1991 | CN1052159A Continuous rail and method for producing same |
| 06/11/1991 | CA1284722C Re-radiating heat shield assembly |
| 06/06/1991 | DE4015306C1 Metal tube mfg. installation - has preformed, heated metal block removable from press before introduction of nitrogen gas |
| 06/05/1991 | EP0430858A2 Nozzle assembly for ultra-high pressure water |
| 06/05/1991 | CN1051874A Apparatus for coating graphitiferous lubricant suspension |
| 06/04/1991 | US5021265 Roll arrangement for non-deforming treatment of moving web-type products |
| 06/02/1991 | WO1991008342A1 Continuous rail production |
| 05/28/1991 | US5018666 Unitary one quarter mile long railroad rail free of weld seams |
| 05/21/1991 | US5016460 Durable method for producing finned tubing |
| 05/16/1991 | WO1991007241A1 The rolling of metal strip |
| 05/16/1991 | CA2030109A1 Device for applying graphitic lubricant suspensions |
| 05/15/1991 | EP0427359A2 Method of and device for accelerated cooling of a cylindrical metal tube |