Patents
Patents for B21B 38 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product (2,626)
02/1994
02/15/1994US5285684 Shape detecting roll
01/1994
01/18/1994US5279139 Method and apparatus for aligning of horizontal rolls
01/04/1994US5275062 Web tension measuring device for use with web coiling equipment
12/1993
12/28/1993US5272927 Anti-backlash spline coupling for use in a position measuring system
11/1993
11/25/1993DE4217007A1 Controlling product quality of production installation - determining product quality by comparing attributes derived from frequency distribution with target vector
10/1993
10/14/1993WO1993019861A1 Method of detecting roll clearance setting error for universal rolling machines and method of rolling h-beam having favorable flange size by utilizing said method
09/1993
09/22/1993EP0561603A1 Flatness detector
09/22/1993EP0561251A1 Device to detect surface faults in a metallic bar or wire rod in movement
08/1993
08/24/1993CA1321492C Method of ascertaining the magnitude of forces acting upon rolls in rolling mills
08/05/1993DE4203469A1 Measurement of gap between working roller pair - detecting positions of the roller body ends remote from the gap and deriving gap width using reference point
06/1993
06/30/1993EP0548674A1 Device for measuring the axial space between the rolls
06/23/1993EP0547227A1 Optical surface inspection device for mill roll
06/10/1993WO1993011404A1 Roller for measuring the surface flatness of a strip produced in a continuous process
06/02/1993EP0544111A1 Apparatus for measuring the pressing force of roll and gripping systems
05/1993
05/19/1993DE4137451A1 Adjustment of three roll assembly defining common calibre opening - involves using triangular and hexagonal patterns to ensure a common focal point for each roll, allowing rapid and accurate adjustment
05/12/1993EP0541392A1 Metal detection
05/06/1993DE4135614A1 Tension distribution measuring device across moving strip during cold rolling - has strain gauges recessed into surface of roller under bridges which maintain fullness of cross-section
02/1993
02/24/1993EP0528517A1 Web tension measuring device for use with web coiling equipment
02/23/1993US5187960 Apparatus for supporting reduction rolls in a rolling mill
01/1993
01/28/1993DE4224569A1 Measuring and controlling rolled strip flatness - applying vertically movable rod between roller stand and drive roller
01/21/1993WO1993001488A1 Optical surface inspection device for mill roll
01/20/1993EP0523205A1 Measuring device for adjusting a roller gap and process of operating it.
01/07/1993DE4121116A1 Measuring the rolling force in roll stand having support rolls - involves monitoring the rise of the summit point of the roll frame body, overcoming influence of temp. changes which cause fluctuations in expansion of rolling stand
12/1992
12/29/1992US5175498 For measuring flaws in an object
12/24/1992DE4119886A1 Continuous thickness measurement device for metal plate rolling mill - has two contact rollers applied pneumatically, with potentiometric measurement of variation in distance between their parallel axes
12/16/1992EP0457784B1 The measurement of shape of metal strip
11/1992
11/24/1992CA1310487C Strip profile control roll
11/14/1992WO1992020992A1 Instrument for detecting the presence of a body and rolling mill provided with such an instrument
11/14/1992CA2102614A1 Instrument for detecting the presence of a body and rolling mill provided with such an instrument
11/10/1992US5161398 Measurement of shape of metal strip
10/1992
10/07/1992EP0507553A2 Roll roundness measuring and machining apparatus and method
10/02/1992CA2063887A1 Roll roundness measuring and machining apparatus and method
09/1992
09/16/1992EP0503501A1 Apparatus for roller spacing determination
09/08/1992US5146409 Mill roll adjustment
09/02/1992CN1018085B Oil film bearing and bushing
09/01/1992US5142891 Thickness control system for rolling mill
08/1992
08/26/1992EP0500453A1 Method for non-destructive on-line measuring of a characteristic of a continuously manufactured product, and associated apparatus
08/20/1992WO1992013652A1 Measuring device for adjusting a roller gap and process of operating it
08/20/1992CA2060990A1 Non destructive process for measuring a continuously manufactured product, and related device
08/12/1992EP0498038A2 Straightening plant for finite strips, in particular for metal strips
08/09/1992CA2058691A1 Arrangement for straightening strips, particulary metal strips
08/05/1992EP0496881A1 Hot flaw detector
07/1992
07/21/1992CA1305319C Device for measuring the flatness of rolled strip
06/1992
06/17/1992DE4039647A1 Measurement value processing system for rolling mill - uses multiple channel measurement value acquisition system between processing system and rolling mill
05/1992
05/26/1992US5117081 Roll roundness measuring and machining apparatus and method
05/06/1992EP0483939A1 Alignment of horizontal rolls
05/05/1992US5110218 Prediction method for formation of heat streak and thermal sensor roll therefor
04/1992
04/21/1992US5107214 Hot flaw detector with annular injection port for injecting cooling liquid
04/08/1992EP0479750A1 Apparatus for supporting reduction rolls in a rolling mill
03/1992
03/24/1992US5097602 Apparatus and method for automated inspection of a surface contour on a workpiece
03/10/1992CA1297187C Apparatus for detecting a failure in bearings
03/05/1992DE4027260A1 Appts. for controlling stress distribution over strip width during cold rolling - by registering electric charges in piezoelectric crystals in guide rollers and selectively feeding a charge into a voltage amplifier
02/1992
02/25/1992US5090224 Method of determining the spring characteristic of a roll stand
02/13/1992DE4122642A1 Measuring arrangement distance between two rollers - has cylindrical stops contacting rollers measurement position and sensor with electrical displacement transducer
02/04/1992US5085067 Method and arrangement for automatically aligning a universal rolling mill stand after the stand has been changed to new types of sections
01/1992
01/29/1992EP0468905A1 Method and device for eddy-current testing of metal tubes during hot-rolling
12/1991
12/27/1991EP0301008B1 Shapemeter
11/1991
11/28/1991WO1991018301A1 Measurement of flatness of strip material
11/27/1991EP0457784A1 The measurement of shape of metal strip.
11/12/1991CA1292032C Oil film bearing and bushing
10/1991
10/30/1991EP0454301A2 Prediction of heat streaks in metal rolling
10/01/1991US5052206 Method and arrangement for automatically aligning a universal rolling mill stand after the stand has been changed to new types of sections
09/1991
09/24/1991CA1289352C Independent measuring apparatus for grinding machines for cylinders and the like with structural surface checking devices, and grinding machine
09/11/1991EP0445983A2 Flaw detection
09/10/1991US5047964 Material deformation processes
08/1991
08/20/1991CA1287906C Device for the measurement of flatness defects in a strip
07/1991
07/10/1991EP0287680B1 Apparatus for measuring the draft of a rolled steel
07/10/1991CN1052803A Thickness control system for rolling mill
07/09/1991US5029400 Device for setting the position of the cyclinders of a rolling mill
07/03/1991EP0435595A2 Thickness control system for a rolling mill
06/1991
06/26/1991EP0433819A2 Determination of the load deflection characteristics of a roughing and finishing stand
06/12/1991CN1052159A Continuous rail and method for producing same
06/02/1991WO1991008342A1 Continuous rail production
05/1991
05/28/1991US5018666 Unitary one quarter mile long railroad rail free of weld seams
05/28/1991US5018377 Hot rolling of metal strip
05/08/1991CN1012562B Universal roll stand with control device, especially finishing stand in universal
05/02/1991DE4019922A1 Optical channel for opto-electronic measurement of rolled product
04/1991
04/18/1991DE4031666A1 Regulating device for controlling tension in rolled strip - includes lever connected to force measuring unit and hydraulic cylinder-piston unit
04/03/1991EP0185761B1 Eddy current flaw detector having rotatable field defining sleeve
02/1991
02/19/1991US4993270 Process and device for measuring the pressing force between the rolls of a roll stand
02/05/1991US4989457 Deflection measuring roller
01/1991
01/29/1991WO1991002231A1 Shape detecting roll
01/29/1991US4989164 Process and device for determining the camber of a sheet
01/29/1991CA2035885A1 Shape detecting roll
12/1990
12/25/1990US4979556 Thickness control for a continuous caster
12/11/1990US4976158 Tension measuring apparatus
12/11/1990US4976149 Ultrasonic distance sensor and monitoring of surface profile utilizing ultrasonic distance sensor
11/1990
11/29/1990DE3916927A1 Automatic roller setting system for universal roller frame
11/29/1990DE3916925A1 Automatic roller setting system for universal roller frame
11/28/1990EP0399296A2 Automatic adjusting of a universal mill stand after its resetting for new structural shapes
11/27/1990US4972706 Device for measuring the flatness of rolled strip
11/24/1990CA2017347A1 Method and arrangement for automatically aligning a universal rolling mill stand after the stand has been changed to new types of sections
11/07/1990EP0396222A1 Rolling mill instrumentation platforms
10/1990
10/31/1990DE3913837A1 Roller stand for metallic strip material - has roller gap sensor and hydraulic adjusting cylinders operating with rigid subframes to improve thickness control
10/09/1990CA1274992A1 Shapemetering process and apparatus for continuous monitoring and/or correction of the profile and flatness of rolled metal strip and the like
09/1990
09/20/1990WO1990010864A1 Hot flaw detector
09/20/1990DE3933912A1 Detecting width and twist angle for rolling round cross=sections - using horizontal and vertical dia. measurement systems and pyrometer
09/19/1990EP0388096A1 Mill roll adjustment
08/1990
08/23/1990WO1990009249A1 The measurement of shape of metal strip
08/07/1990US4945772 Method of roll nip load measurement
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