| Patents for B21C 51 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses (2,438) |
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| 12/29/2004 | CN2666581Y Metal pipe pattern and character internal printing device for metal pipe producing machine |
| 12/28/2004 | US6836696 Method for marking rolled material |
| 12/16/2004 | DE10350663B3 Determining/calibrating extrusion press output rate involves specifying or determining pressing ratio, ram speed, multiplying to give output rate, calibrating extrusion output from length intervals |
| 12/09/2004 | US20040244450 Thin-strip coiler comprising a flatness measuring roll |
| 12/02/2004 | US20040237667 Apparatus for detecting the stress distribution of metal strips stressed by tension of the strip |
| 11/25/2004 | WO2004101193A1 Spring winding machine and method for controlling a spring winding machine |
| 11/16/2004 | US6817219 Flospinning method and device for carrying out flospinning |
| 11/10/2004 | EP1475167A2 Steel section tagging system |
| 11/10/2004 | EP1474255A2 Method for marking linear elements such as steel reinforcements for concrete, device for carrying out said method and computer product for managing the same |
| 11/04/2004 | WO2004086009A3 Device for the detection of holes in continuously-advancing bands of material |
| 11/04/2004 | US20040217308 Touchless optoelectronic sensor |
| 10/27/2004 | EP1469955A1 Roller for determining variations in flatness |
| 10/26/2004 | US6807723 Apparatus for producing a honeycomb body |
| 10/21/2004 | US20040205951 Control method for a finishing train, arranged upstream of a cooling section, for rolling hot metal strip |
| 10/20/2004 | EP1200767B1 Protective device for machines such as bending presses, cutting machines, punching machines or the like |
| 10/19/2004 | CA2140633C Highlighting surface defects in metal surfaces |
| 10/14/2004 | DE10331000B3 Production of welded large pipes in the form of screw-threaded pipes made from hot rolled steel comprises decoiling the hot strip, joining the beginning of the strip with the beginning of a precursor strip and further processing |
| 10/13/2004 | CN1170736C Marking method of defect part, marking equipment of defect part and bundling equipment |
| 10/07/2004 | WO2004086009A2 Device for the detection of holes in continuously-advancing bands of material |
| 10/07/2004 | WO2004085096A1 Horizontally continuously cast rod of aluminum alloy and method and equipment for producing the rod. |
| 10/07/2004 | US20040194520 Shape detecting apparatus |
| 10/06/2004 | EP1464416A1 Shape detecting apparatus for a rolled plate |
| 10/06/2004 | CN1535370A Thin-strip coiler comprisng flatness measuring roll |
| 10/06/2004 | CN1533850A Shape detector |
| 09/28/2004 | US6796156 Object-marking device |
| 09/23/2004 | DE10345445A1 Coil spring manufacturing control system, uses video camera to take images of spring and computer to analyze images and compare real spring measurements with reference |
| 09/14/2004 | CA2142231C Device for measuring the thickness profile of a metal product in the shape of a moving strip or plate |
| 09/08/2004 | EP1454119A1 Process for measuring the tension in a metal strip |
| 09/08/2004 | EP1453620A1 Device for measuring the roll gap between the working rollers of a cold or warm rolling stand |
| 09/07/2004 | US6786071 Method and device for operating a hot rolling train with at least one edger |
| 09/02/2004 | DE10307965A1 Optoelectronic sampling device, e.g. for use with a color printer, is used to detect alignment contrast marks and has two optical measurement heads with closely aligned objectives whose positions can be adjusted |
| 08/31/2004 | US6782726 Hot-rolling mill with flatness measuring roller |
| 08/25/2004 | EP1173296A4 Apparatus for measuring the strip flatness |
| 08/25/2004 | CN2635244Y Tube material word carving device |
| 08/19/2004 | WO2004069442A1 Inspection system for rolled products of a milling station |
| 08/19/2004 | DE10304581A1 Inspektionssystem für Walzprodukte einer Walzanlage Inspection system for rolled products of a rolling mill |
| 08/11/2004 | EP1444059A1 Control method for a production line for rolling hot-rolled metal strips disposed upstream of a cooling stretch |
| 08/05/2004 | US20040153196 Apparatus and method for diagnosing faults in hot strip finishing rolling |
| 08/05/2004 | US20040149149 Method and apparatus for marking workpieces |
| 08/03/2004 | CA2389866C Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 06/30/2004 | EP1432537A1 Device for detecting stress distribution of metal bands loaded by band tension |
| 06/30/2004 | EP1432536A1 Device for detecting stress distribution of metal band loaded by band tension |
| 06/24/2004 | WO2004052660A1 Marking device for encoding metallic workpieces with two-dimensional matrix codes |
| 06/24/2004 | DE10257532A1 Marking device for applying matrix codes has device for presetting higher current during acceleration phase |
| 06/15/2004 | US6748647 Apparatus for monitoring and controlling processing of articles |
| 06/09/2004 | CN1502424A Fault diagnosis apparatus and method for hot fine rolling band steel |
| 05/12/2004 | EP1418400A2 Flatness measuring system for a metal sheet |
| 05/04/2004 | US6729005 Apparatus for monitoring and controlling processing of articles and associated method |
| 04/29/2004 | DE10233118B3 Dynamische Dickenkorrektur Dynamic thickness correction |
| 04/15/2004 | US20040073401 Method for positioning defects in metal billets, and related articles |
| 04/14/2004 | EP1407253A1 Method for inspecting the surface of a roll cylinder and device therefor |
| 03/31/2004 | EP1402227A1 Thin-strip coiler comprising a flatness measuring roll |
| 03/31/2004 | EP1177057A4 Casting strip |
| 03/31/2004 | CN1143741C Steady control method of rolling mill and apparatus thereof |
| 03/25/2004 | WO2004024358A1 Extruder |
| 03/25/2004 | WO2003068428A3 Method for marking linear elements such as steel reinforcements for concrete, device for carrying out said method and computer product for managing the same |
| 03/18/2004 | DE10242202A1 Extrusion press for bent products has the extrusion monitored by sensors positioned in a radial bore immediately behind the extrusion tool and before the bending tool |
| 03/02/2004 | US6698498 Casting strip |
| 02/26/2004 | US20040034980 Flospinning method and device for carrying out flospinning |
| 02/19/2004 | US20040034501 Method and apparatus for determining the eccentricity of a hollow billet |
| 02/12/2004 | DE20316239U1 Tube material for building services has length scale marked along its length using printing or indentation with major and minor scale marks |
| 02/05/2004 | US20040022430 Method for inspecting the surface of a roll cylinder and device therefor |
| 02/05/2004 | US20040021855 Apparatus for inspecting a surface |
| 01/29/2004 | WO2004009261A1 Dynamic thickness correction |
| 01/29/2004 | DE10229771A1 Verfahren und Vorrichtung zur Bestimmung der Exzentrizität eines Hohlblocks Method and device for determining the eccentricity of a hollow block |
| 01/28/2004 | CN1470338A Method and apparatus for measuring eccentricity of hollow tube blank |
| 01/21/2004 | CN1468672A Method and apparatus for measuring eccentricity of hollow pipe billet |
| 01/13/2004 | US6677574 Protective device for machines such as bending presses, cutting machines, punching machines or the like |
| 01/08/2004 | WO2004002644A1 Method of manufacturing continuous sucker rod |
| 01/08/2004 | US20040003637 Method of and apparatus for determining the eccentricity of a hollow billet |
| 01/08/2004 | CA2490289A1 Method of manufacturing continuous sucker rod |
| 01/07/2004 | EP1378299A1 Method and apparatus for determining the eccentricity of a hollow block |
| 01/06/2004 | US6672119 Axial-position adjustment for profiled rolling-mill rolls |
| 01/03/2004 | CA2434105A1 Method and apparatus for determining the eccentricity of a hollow billet |
| 01/02/2004 | EP1372878A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 12/30/2003 | US6668609 Press and vibration severity die certification system |
| 12/28/2003 | CA2390054A1 Method for manufacturing continuous sucker rod |
| 12/23/2003 | US6666094 Method and device for contactless online measuring of the wall thickness of hot-rolled pipes |
| 12/10/2003 | EP1369664A1 Method and device for measuring the excentricity of a hollow block |
| 12/10/2003 | CN1130548C Flatness measuring roller |
| 12/04/2003 | US20030221470 Apparatus for writing in metal |
| 11/26/2003 | EP1222039B1 Method for marking rolled material |
| 11/18/2003 | US6647885 Marking system, marking method and marking apparatus |
| 11/13/2003 | WO2003093761A1 Method and instrument for measuring bead cutting shape of electric welded tube |
| 11/05/2003 | CN1126615C Automatic control system for metal plate and belt weighing and separately rolling |
| 10/23/2003 | WO2003086719A1 Method for manufacturing a directionally dependent reflective surface |
| 10/23/2003 | DE10207501C1 Vollrolle zum Feststellen von Planheitsabweichungen Fully role for the detection of flatness deviations |
| 10/01/2003 | EP1347849A1 Flospinning method and device for carrying out flospinning |
| 09/25/2003 | US20030178397 Laser engraved opening tab |
| 09/24/2003 | EP1346191A1 Device and method for measuring an object |
| 09/04/2003 | US20030164017 Method and device for operating a hot rolling train with at least one edger |
| 08/21/2003 | WO2003068428A2 Method for marking linear elements such as steel reinforcements for concrete, device for carrying out said method and computer product for managing the same |
| 08/06/2003 | CN1116939C Control system and method for in-line set-point scaling on metallic plate or band |
| 07/31/2003 | WO2003061865A1 Roller for determining variations in flatness |
| 07/23/2003 | CN1431058A Device for changing position of swage flange solid plate in distribution of rolling machine frame when rolling |
| 07/03/2003 | WO2003053604A1 Device for measuring the roll gap between the working rollers of a cold or warm rolling stand |
| 07/03/2003 | US20030121304 Apparatus for the production of stretched wire |
| 07/02/2003 | EP0814937B1 Method of forming seamed metal tube |
| 07/01/2003 | CA2122067C Method and device for calibating a set of transverse profile thickness values in flat products |
| 06/25/2003 | EP1320425A1 Method and device for operating a hot rolling train with at least one edger |