Class 72/7.4 - Sensing work or product (e.g., by X-ray)

Subclass of Class 72 - Metal deforming
Definition: Subject matter including detecting a characteristic of the
No. of patents: 29
Last issue date: 03/06/2012

Number	Title	Issue Date
8127580	Method for levelling a flat product in strip or sheet form in a levelling machine with intermeshed rolls and levelling installation therefore A method and a device is provided for controlling the overlapping of leveling rollers in a planishing machine comprising two leveling trains each bearing a series of rollers with parallel axes. The method and device are particularly applicable to sheets and strip pr...	03/06/2012
7461529	Methods and apparatus for monitoring and conditioning strip material Methods and an apparatus for monitoring and conditioning strip material are disclosed. The disclosed methods and apparatus receive encoder signals and sensor data to monitor a condition of a strip material. The system obtains a plurality of sensor readings associate...	12/09/2008
7325427	Machine for bending of long products and a method to control such a machine A machine is process monitored and controlled for continuous bending of long products to a predetermined radius by using three parallel contact-free distance meters (laser transmitters) and by measuring the distances to the bent surface on the product, by calculatin...	02/05/2008
7225652	Graphical rolled steel sheet flatness display and method of using same A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tension ranges into which the sen...	06/05/2007
7204117	Method and device for producing a hard metal tool The method has a first material of lesser hardness acting as a rod-shaped carrier for a second material of greater hardness, each materials formed within a respective extrusion press tool and the plastic mass flow of the greater hardness material fed to the extrusio...	04/17/2007
7188497	Method for straightening an eccentric shaft A method for straightening an eccentric shaft (100, 501) by engaging fillets (201, 601) adjacent an element (101, 509) of the shaft with angled rollers (303, 703), rotating the shaft and selectively applying a compressive rolling force (	03/13/2007
7185519	Methods and apparatus for monitoring and conditioning strip material Methods and an apparatus for monitoring and conditioning strip material are disclosed. The disclosed methods and apparatus receive encoder signals and sensor data to monitor a condition of a strip material. If an undesired material condition is detected, a material ...	03/06/2007
7185521	Method and apparatus for process control of burnishing An apparatus for process control of a burnishing process comprising a body having a first end and a second end, at least one process control coupon, and structure for attaching the process control coupon to the body. At least one edge of the process control coupon i...	03/06/2007
7162903	Shaft truing system An apparatus for processing a drive shaft (11) for a vehicle, the drive shaft (11) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and applying a rotatory forc...	01/16/2007
7146835	Method and apparatus to reduce slot width in tubular members An apparatus and method are provided for reducing the width of a plurality of longitudinal slots or other openings spaced circumferentially around a slotted tubular member. The invention includes a seaming roller positioned to contact the outer surface of the slotte...	12/12/2006
7111481	Methods and apparatus for controlling flare in roll-forming processes Methods and apparatus for controlling flare in roll-forming processes are disclosed. An example method of controlling flare involes moving a material through a roll-forming process and measuring the material to obtain a flare characteristic associated with a zone of...	09/26/2006
7073366	Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object A method to reduce the width of slots or openings in a pipe. The method involve determining the position of the slots relative to the surface of the pipe and determining the width of the slots. A signal is generated corresponding to the determined width and relative...	07/11/2006
7017461	Dual position automatic notcher A device for consecutively forming one or more notches in a first surface and one or more notches in second surface of a hollow workpiece. The notching device including a first die and a second die that is fixed relative to the first die; and a shiftable punch havin...	03/28/2006
6948347	Graphical rolled steel sheet flatness display and method of using same A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tension ranges into which the sen...	09/27/2005
6948346	Method for specifically adjusting the surface structure of rolling stock during cold rolling in skin pass mills The invention relates to a method for specifically adjusting the surface structure of rolling stock (3) during cold rolling in skin pass mills. The aim of the invention is to partially transfer the surface structure of the working roll (2) onto the rol...	09/27/2005
6769279	Multiroll precision leveler with automatic shape control An automatically controlled multi-roll precision leveler for flattening a strip of material, such as a metal strip. A metal strip product may be fed into the leveler, typically from a coil. The leveler uses multiple work rolls to flatten the strip as it passes throu...	08/03/2004
6691541	Stretch leveler for steel and other metal strip A stretch leveling apparatus having at least two stretching zones and wherein the lengths of the first and second stretching zones are each at least 0.5 times the maximum strip width....	02/17/2004
6691540	Method and apparatus for presetting process variables for a rolling train for rolling metal strips Method and apparatus for presetting process variables in at least one actuating element of a rolling train for rolling metal strips, in which guarantee values are predefined. The guarantee values specified, which cover the intended stipulations and the as...	02/17/2004
6253587	Device and method for compressing The invention relates to a device and method for regulating the compressing of metal tubing (20) having inner-lying beam wave guides (8) by means of a roll straightening passage (10a, 10b) comprising a feeding device (36, 36') of the rollers (12-16) with ...	07/03/2001
6161406	Method of preadjusting cold deforming plants A method of preadjusting cold deforming plants, such as cold rolling trains, skin pass stands, stretcher-and-roller levelers, straightening machines, and the like, wherein the hardness of the material to be deformed is measured shortly before the cold def...	12/19/2000
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
6029485	Roller levelling machine for levelling a rolled section A roller levelling machine for levelling a rolled section includes a section inlet for introducing the rolled section into the roller levelling machine and a plurality of bending rollers for levelling the rolled section. The roller levelling machine furth...	02/29/2000
5873277	Control process for a roll stand for rolling a strip The invention relates to a control process for a roll stand consisting of a pair of work rolls, a pair of backup rolls, and optionally a pair of intermediary rolls. The controls for a rolling force, a deflecting force, and optionally a roll shift are give...	02/23/1999
5689986	Apparatus and method for prenotching and dimensionally measuring a roll formed part A plurality of successively spaced notches are formed in a side edge of a metal strip by first and second adjustably positionable dies prior to roll forming of the strip to a formed configuration. After roll forming, fingers engage selected edges of the n...	11/25/1997
5241847	Rolling control method and apparatus In order to reflect a difference between an actual value and a target value of a strip profile of a product at a tandem mill, the load pattern for the next rolled material is changed in accordance with the difference of a target value and an actual value ...	09/07/1993
4872923	Die-less drawing method and apparatus Method and apparatus for heating, cooling and stretching a metal specimen as it is being elongated, according to a temperature curve selected to provide a finished product having a predetermined microstructive, ultimate tensile strength, yield point and c...	10/10/1989
4117702	Rolling machines for contouring tapered structural members Pinch and pyramid roll forming machines for contouring elongate, tapered structural members are disclosed. Each of the rolls of the pinch and pyramid roll forming machines is segmented and selected segments are mounted such that they are transversely posi...	10/03/1978
4063438	Method of controlling tandem rolling mills A method of controlling a tandem rolling mill so as to minimize strip tension variations when the pass schedule is being changed. This result is achieved by selectively changing the roll speeds of the stands and the roll openings by means of an electronic...	12/20/1977
3955389	Springback compensated continuous roll forming machines A sensing structure and control system therefor suitable for use in a numerically controlled roll forming machine are disclosed. The sensing structure includes a support arrangement for mounting a sensor in a position such that a work part exiting from co...	05/11/1976

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Class 72/7.4 - Sensing work or product (e.g., by X-ray)