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| Number | Title | Issue Date |
| 7281402 | Method and apparatus for optimizing forging processes A method and apparatus for optimizing the forging of a workpiece that is moved along a longitudinal axis of a forging press. The method includes detecting the relative positions of the first and second ends of the workpiece along the longitudinal axis and calculatin... | 10/16/2007 |
| 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 |
| 7117702 | Mobile pipe mill A portable apparatus for forming pipe from helical convulsions of elongated sheet metal. A decoiler, rolling portion and pivot are mounted on a trailer, with a rigid frame extending from pivot and being laterally pivotable at the pivot in relation to the trailer. A ... | 10/10/2006 |
| 7096704 | Structural body and method for cold rolling A cold rolling method for performing a series of processes including rolling and cutting of a workpiece in succession, wherein tensile forces are applied to the workpiece during processes from the rolling to straightening. To eliminate the processes of anneal... | 08/29/2006 |
| 7032420 | Method for real-time adjustment of a planisher A method for real-time adjustment of a planisher for planishing metal strip. After a planished strip has been cut into a plate, the method includes measuring the plate at the output of the planisher outside a support zone, correcting the measurement so as to elimina... | 04/25/2006 |
| 6992756 | Apparatus and method for movement measurement and position tracking of long, non-textured metal objects at an elevated temperature A motion detection system, and more particularly, a non-contact, movement-measurement and position-tracking device, and a method of applying the device on long, non-textured or regularly textured metal objects at an elevated temperature are invented. The invention t... | 01/31/2006 |
| 6959571 | Rolling mill and method for operating same Hydraulic cylinders are provided in a housing so as to be opposed to work rolls and backup rolls. Before a front end portion of a rollable material is engaged between the work rolls, the working oil pressure of the hydraulic cylinders is set at a high pressure value... | 11/01/2005 |
| 6956187 | Steel plate splicing facility utilizing shear joining A steel plate splicing facility includes, a steel plate heating apparatus for retrieving and heating a preceding steel plate and a following steel plate, and a shear-joining apparatus for clamping a tail end portion of the preceding steel plate and a leading end por... | 10/18/2005 |
| 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 |
| 6786071 | Method and device for operating a hot rolling train with at least one edger The invention relates to a method and device for operating a hot rolling train with at least one edger and at least one sensor with which the strip end position is determined by means of a linear recording of the infrared radiation from the rolled strip and whereby ... | 09/07/2004 |
| 6449996 | Method of hot-rolling metal pieces The present invention eliminates the need to stop the operation of a line even when trouble arises before, during, or after an operation of joining metal blocks in hot rolling. According to a specific solving means of the present invention, when a succeed... | 09/17/2002 |
| 6412322 | Rolling method In continuous rolling of a plurality of steel strips: 1. a table speed corrector corrects speeds of tables, on which a succeeding steel strip is placed, through a main controller so that values of an interval between steel strips, obtained by CCD cameras ... | 07/02/2002 |
| 6286348 | Strip thickness controller for rolling mill A strip thickness controller for a rolling mill, which is capable of reducing a delivery-side strip thickness deviation due to an eccentricity of a backup roll even in a rolling mill incapable of easily performing a kiss-roll. The strip thickness controll... | 09/11/2001 |
| 6230531 | Rolling data collecting method and system The rolling data collecting system according to this invention collects rolling data of a rolled strip to be serially rolled through a tandem rolling mill, using the first rolling data measuring means installed at each roll stand and the second rolling da... | 05/15/2001 |
| 6216504 | Traveling sheet thickness changing method for cold tandem roller Set values of a gauge-alteration-in-rolling amount after the next (i+1)-th stand and subsequent stands are modified, using the rolling results obtained when a leading end of a succeeding material passes through the i-th stand and the gauge results of the ... | 04/17/2001 |
| 6167736 | Tension control system and method for reducing front end and tail end overfill of a continuously hot rolled product A system for controlling front and tail end gauge of a continuous hot rolled product in a rolling mill includes first and second individually driven roll stands arranged successively along said pass line in advance of a group of roll stands. A controller ... | 01/02/2001 |
| 6148653 | Rolling apparatus and a rolling method The present invention aims to provide a rolling system and a rolling method capable of avoiding the occurrence of a pinch fold by effectively preventing the zigzag movement of a rear end portion of a material to be rolled. The rotational speeds (rolling s... | 11/21/2000 |
| 5913930 | Cooling bed for rails A cooling bed for rails (3) with an apparatus (12) which is intended for transferring the rails (3) onto the cooling bed (1) from an infeeding roller table (2) and is set up to bend the rails (3) counter to the bending which they undergo during cooling is... | 06/22/1999 |
| 5673584 | Method of and an apparatus for producing wire A method of and an apparatus for rolling a rod as a starting material and producing a wire of 5 mm or smaller diameter, the method and apparatus using a continuous rolling mill comprising a plurality of round-grooved four-roll stands arranged in tandem, w... | 10/07/1997 |
| 5657655 | Tandem mill system and work roll crossing mill In a tandem mill system, at least one first type rolling mill is arranged in the upstream side and at least one second type rolling mill is arranged in the downstream side. The first type rolling mill is of the so-called work roll crossing mill in which a... | 08/19/1997 |
| 5402663 | Facility for hot forging workpieces starting from bars A facility for hot forging workpieces starting from bars (2), which includes a device (8) for heating the bars (2), a device (3) for longitudinally moving the bars, a shearing machine (9) cutting hot billets to a length l, and a stop (11) for setting the ... | 04/04/1995 |
| 5119655 | Speed control method and system for high-speed rolling Method and system for high-speed rolling at about 120 to 140 meters per second and more for rolled stock having a round section and a diameter of 5.5 to 6.5/7 mm. or equivalent, the high-speed rolling being carried out with a system comprising at least on... | 06/09/1992 |
| 5018377 | Hot rolling of metal strip When hot rolling metal strip, it is usual to apply tension to the strip and then a contact-type strip tension detector is employed to detect variations in tension across the width of the strip. The signals are used to adjust the rolling mill in the sense ... | 05/28/1991 |
| 4887343 | Method and apparatus for roller leveler In a roller leveler having a number of work rollers, an improvement is proposed when a junction of metal web passes. Position detecting circuitry detects the junction of the metal web to output a detection signal. In response to the detection signal, an a... | 12/19/1989 |
| 4811581 | Apparatus for preforming a substantially flat blank of an open clamp A method and apparatus for preforming a substantially flat blank of an open clamp adapted to be mechanically interconnected near the free ends thereof into a circular clamp having a configuration at least approximately the configuration of the clamp when ... | 03/14/1989 |
| 4656856 | Method and apparatus for eliminating crescent formation in a reduction mill The apparatus and method for eliminating crescent formation in a steel strip reduction mill includes a strip tension monitor which measures the tension between the stands and transmits the measured tension to a controller. A roll speed monitor for the dri... | 04/14/1987 |
| 4527243 | Crop shear control The invention relates to electronic control of a crop shear for trimming the head and tail of a bar. The bar is scanned longitudinally by a camera to monitor its progress towards the crop shear. The bar is also scanned transversely by a second camera conn... | 07/02/1985 |
| 4485651 | Method and apparatus for underwinding strip on a drum A method of underwinding strip on a drum along the passline of a hot reversing mill comprises positioning the drum in a receiving mode, passing the strip through the mill at a given thread speed, detecting the presence of the strip at a given position in ... | 12/04/1984 |
| 4455848 | Apparatus for underwinding strip on a drum in a hot reversing mill A method of underwinding strip on a drum along the passline of a hot reversing mill comprises positioning the drum in a receiving mode, passing the strip through the mill at a given thread speed, detecting the presence of the strip at a given position in ... | 06/26/1984 |
| 4416131 | Process and apparatus for monitoring length and diameter of helical corrugated pipe An apparatus and process for monitoring the diameter and length of a helical corrugated metal pipe while the pipe is being formed from a strip of corrugated sheet metal. The apparatus includes a sheet metal strip length sensor located on a corrugated heli... | 11/22/1983 |
| 4388816 | Method and apparatus for rolling a length of metal bar or wire At the end of a hot-rolling train, a metal length (bar or wire) is passed through a final roll stand and then through a cooling device. To keep the length under tension in the cooling device, it is pulled frictionally by an opposed pair of bridle rolls wh... | 06/21/1983 |
| 4335435 | Method of changing rolling schedule during rolling in tandem rolling mill In a tandem rolling mill a control computer integrates the entry speed of a work strip having a gauge transition to determine the arrival of the transition at a first roll stand. At that time a screw-down on that stand is updated through a scheduling comp... | 06/15/1982 |
| 4255954 | Device for controlling shape of strip or sheet being rolled A device for controlling the shape of the strip or sheet being rolled comprises at least two sets of rollers positioned in pairs on both sides of the strip or sheet across the width thereof and incorporating speed actuators for tensioning said strip of sh... | 03/17/1981 |
| 4232369 | Method of controlling the deceleration of a reversing mill A method embodying this invention for controlling the deceleration of a reversing mill comprises a first step of defining a kickout distance in consideration of the bite speed at which a piece is caught by the main mill roll unit during every return roll ... | 11/04/1980 |
| 4186580 | Apparatus for the discharge of waste ends of bars in the cross wedge rolling process There is disclosed apparatus for the discharge of unworkable waste bar ends adapted for use in the cross wedge rolling process to make possible a mechanized or automated production cycle. The disclosed apparatus comprises a guide connected to a swingable ... | 02/05/1980 |
| 4126028 | Method and apparatus for stressless rolling of metals A method and apparatus are disclosed for the stressless rolling of metals in a continuous rolling mill. In a continuous train, between any two successive mill stands, the magnitude of the rolling torque in the first mill stand is measured and stored just ... | 11/21/1978 |
| 3968671 | Cooling bed method A movable rack cooling bed for receiving hot metal strands from a rolling mill and having a dual strand run-in table and means for selectively transferring a strand from either portion of the run-in table to cooling bed holding notches for single or two-s... | 07/13/1976 |
