Class 72/8.9 - Sensing cross sectional dimension

Subclass of Class 72 - Metal deforming
Definition: Subject matter including moving the work in a given direction,
No. of patents: 29
Last issue date: 03/21/2006

Number	Title	Issue Date
7013691	Peripheral length adjusting apparatus and peripheral length adjusting method for endless metallic ring In a peripheral length adjusting apparatus and a peripheral length adjusting method for an endless metallic ring, an endless metallic ring is wound on plural rollers, and an interval between the plural rollers is enlarged such that the endless metallic ring is stret...	03/21/2006
7004002	Rolling method for strip rolling mill and strip rolling equipment A strip rolling mill includes a pair of upper and lower work rolls for rolling a strip, intermediate rolls for supporting each of the paired work rolls, and back-up rolls for supporting each of the intermediate rolls. Each of the work rolls is provided with a tapere...	02/28/2006
6938451	Dynamic tapered extrusion system A hard metal or non-metal member can be formed or shaped to have varying amounts of curvature and tapering by passing the member through a forming channel defined by two sets of opposed, axially displaceable rollers which can be dynamically moved horizontally and ve...	09/06/2005
6920772	Pinch roll unit A pinch roll unit for either propelling or retarding a product moving along the pass line of a rolling mill comprises a pair of levers mounted for rotation about parallel first axes. Roll shafts are carried by the levers with each roll shaft being journalled for rot...	07/26/2005
6817219	Flospinning method and device for carrying out flospinning A flow-forming method and apparatus, in which a blank is placed on a rolling mandrel of a flow-forming machine, the blank is rotated relative to at least one flow-forming roll, the at least one flow-forming roll is infed radially and/or axially relative to the blank...	11/16/2004
6619091	Quick-change system for measuring probe assembly On a hard-rolling machine (41) for crankshafts (1) there is provided a plurality of measuring probes (4) corresponding to the number of main bearings (3) to be measured, which are arranged on a measuring-probe bridge (6) with the mutual spacing (5). The m...	09/16/2003
6601422	Method of operating a rolling train and a control system for a rolling train A rolling train for structural shapes in which at least on one side of a train having a plurality of mill stands, e.g. universal mill stands, a detector is provided for the actual profile of the rolled product. The actual profile is compared with a setpoi...	08/05/2003
6568232	Method and a device for controlling the dimensions of an elongated material rolled in a rolling mill A method and apparatus for controlling the dimensions of an elongated material rolled in a rolling mill comprising at least two mill stands arranged after each other, each of said stands comprising two spaced rolls, said elongated material being fed betwe...	05/27/2003
6519990	Method and a device for controlling a rolling mill A method of controlling a rolling mill comprising at least two mill stands (1,2) arranged after each other, wherein a first stand (1) is arranged upstream of a second stand (2). Each of said stands comprises two spaced rolls (3,4,5,6). An elongated materi...	02/18/2003
6494071	Rolling mill facility with strip shape detection equipment, strip shape detection device, strip shape detection method and rolling method A rolling mill facility includes a single or plural rolling mills having a pair of top and bottom work rolls and that roll strip steel and strip shape detecting devices installed at least on one side of the inlet and outlet sides of the rolling mill. The ...	12/17/2002
6227021	Control apparatus and method for a hot rolling mill A control apparatus for a hot rolling mill having a plurality of rolling stands, including a roll gap tension controller configured to control a roll gap of one of the rolling stands so that a detected interstand tension value of a rolled material positio...	05/08/2001
6202459	Method of and rolling mill train for producing bar-shaped rolled products A method of rolling a bar-shaped stock to predetermined end height and end width measured transverse to the end height and including providing a rolling will train having a plurality of arranged one after another active rolling mill stands having adjustab...	03/20/2001
6112566	Rolling method for rod-shaped rolling stock, Particularly rod steel or wire A method of rolling rod-shaped rolling stock, particularly rod steel or wire, in a roll stand having two work rolls which are adjustable relative to each other in an adjusting direction and which together form a roll groove with an actual roll gap, so tha...	09/05/2000
6055834	Method to control the drawing of the rolled stock A method to control the drawing of rolled stock in a segment of the rolling line includes measuring the section of the rolled stock passing through is made by a first detector located at the outlet of the semi-finishing block and by a second detector loca...	05/02/2000
6047578	Multi-stand mandrel-free stretch reducing mill A roll pass of a roll set having three rolls for a multi-stand mandrel-free stretch reducing mill has a roll pass shape that deviates from the circular. A tube is passed in its longitudinal direction through the non-circular roll pass shape enabling modif...	04/11/2000
5794473	Method of regulating the cross-section of rolling stock A method of regulating the cross-section of rolling stock through a looper for the rolling stock, particularly between roll stands in section rolling mills. In accordance with the method, the horizontal forces in the rolling stock are varied by varying th...	08/18/1998
5791182	Method to control between rolling stands the drawing of the rolled stock and relative device Method and device to control between rolling stands the drawing of the rolled stock (14) in a segment (10) of a rolling line, the segment (10) possibly comprising two conventional rolling stands with or without an interposed drawing unit (19), a conventio...	08/11/1998
5619880	Device for controlling the rotational speed of the rolls of a rolling mill The rotational speed of the rolls of a rolling mill is controlled such that the loops of rolled material between two roll stands have a constant height. The last roll stand in the direction of rolling preferably acts as a guide roller stand, whose speed i...	04/15/1997
5553475	Method for detecting setting errors of clearance between rollers in universal rolling mill, and method for rolling H-shaped steel having favorable flange dimensions utilizing same detecting method According to the present invention, in the rolling of an H-shaped steel wherein a roughly shaped billet subjected to a breakdown rolling and having a web and flanges is formed into a shape steel having H-shaped cross section by passing it through an array...	09/10/1996
5381342	System for trimming a continuously moving metal strip A strip is displaced longitudinally with its edges parallel to a stationary machine centerline at a predetermined travel speed through a monitoring station and through a trimming station spaced downstream from the monitoring station and equipped with a pa...	01/10/1995
5305624	Sizing-stand group A method and an apparatus for obtaining narrow tolerances of accuracy to pe and size of a rolled product rolled in a wire mill and/or bar mill including at least two sizing stands of high stiffness wherein, with the exception of the last stand, the stand...	04/26/1994
4747063	Method of determining an optimum set value for a side trimming machine In a method of trimming a width of an elongate sheet stock by a side trimmer, respective minimum widths of both side portions, i.e. a work side portion and a drive side portion, of the stock are measured in advance, and then respective trimming allowance ...	05/24/1988
4672830	Method of controlling an edging opening in a rolling mill A method of controlling an edging opening in a rolling mill, comprising measuring a width distribution of a plate to be rolled at an inlet of an edging roll in the rolling mill, calculating beforehand a width deviation distribution and a length in the mov...	06/16/1987
4558576	Automatic gauge control system for multi-stand tied block rod rolling mill The dimensions of a product passing through the finishing block of a roll rolling mill are measured. Where the dimensions of the product exiting the last finishing stand are out-of-tolerance, a calculation is made to determine the extent to which the roll...	12/17/1985
4520642	Control device for continuous rolling machine A control device for a continuous rolling machine effects feedback control by measuring vertical and lateral dimensions at a point after an ith mill stand, and by controlling the tension in the material between an i-1th and the ith mill stand and the posi...	06/04/1985
4283930	Roller-dies-processing method and apparatus Method for manufacturing long bars, round, square or flat, employing multi-tandem type roller dies mechanism in which each roller gap is controlled by the roller gap adjusting mechanism, and apparatus preferably applicable that method. The apparatus is pr...	08/18/1981
4141071	Automatic diametric dimension control for mill for rolling round bars A mill for rolling round bars, having a penultimate and a last stand with mutually perpendicular roll axes, is provided with a control system for varying the roll gaps of said stands and for axially aligning the rolls in the last stand. A gauge measures t...	02/20/1979
3961509	Roll gap control The roll gap is feedback controlled in that the actual gap is detected, compared with a reference for formation of an error signal which in turn controls the relative position of the rolls. That feedback system is supplemented by augmenting the error by a...	06/08/1976
3958435	Method for controlling the profile of workpieces on rolling mills There is described a method for controlling the profile of a workpiece on a rolling mill, wherein the workpiece is imparted with a predetermined profile in the roughing stage which is suitable for further control in the following finishing stage. In the f...	05/25/1976

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Class 72/8.9 - Sensing cross sectional dimension