Class 72/365.2 - "Rolling"

Subclass of Class 72 - Metal deforming
Definition: Process which is described by the verb "roll" or a
No. of patents: 134
Last issue date: 02/07/2012

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Number	Title	Issue Date
8109125	Method and apparatus for manufacturing ultralow-resistance current sensors A method for manufacturing ultralow-resistance current sensors of size 0402 to 4518 of IEEE specifications includes the steps of: a raw metallic strip being pressed to roll over a first tension roller, a cutting tool over the first tension roller being fed to cut th...	02/07/2012
8024953	Lubricant for hot working and method for producing seamless steel pipe There is provided a lubricant for hot plastic working, which contains 20 to 40 mass % of iron oxide and 10 to 30 mass % of sodium silicate, wherein impurities are 3 mass % or less, and the lubricant contains 40 to 60 mass % of water. By virtue of combined action of ...	09/27/2011
7426844	Device for loading the guide surfaces of bearing chocks supported in the housing windows of rolling stands A device for loading the guide surfaces of bearing chocks (LS) supported in the housing windows (SF) of rolling stands with pressure plates (DP) that can be placed on the guide surfaces and that can be loaded by a hydraulic piston (K) supported in the rolling stand ...	09/23/2008
7398666	Method of and installation for rolling in-process stock The invention relates to a method of rolling a strip-shaped in-process stock, in particular a metal strip, with which, a metal strip (3) is unwound from a coil (2, 7) held on an unwinding reel (1, 6), is fed into a reversing rolling mill (8	07/15/2008
7310982	Rolling method and rolling apparatus for flat-rolled metal materials The invention provides a rolling method for a flat-rolled metal material and a rolling apparatus for the method each capable of stably producing a flat-rolled metal material free from camber or having an extremely light camber. The method is a rolling method of a fl...	12/25/2007
7110840	Master control system for a rolling mill A master control system for a rolling mill, especially a mill train, having at least one rolling stand driven by means of a drive system, and the master control system having an automation device for the open-loop and/or closed-loop control of the rolling stand. The...	09/19/2006
7056599	Steel sheet for magnetic shields and manufacturing method thereof A steel sheet for a magnetic shield comprising less than 0.005% by weight of C and 0.0003 to 0.01% by weight of B, and having a thickness of 0.05 to 0.5 mm and an anhysteresis magnetic permeability of 7500 or more. ...	06/06/2006
7043953	X-H rolling method for parallel-flange steel sections (supports) A method of X-H rolling of a parallel flange steel structural shape or beam with an H cross section using a compact rolling group. In the first universal mill frame the vertical roll have roll surfaces inclined to one another at an angle up to 10° whereas in the se...	05/16/2006
7013547	Method and device for the production of curved spring strip sections A method and a device for the production of curved spring strip sections. A spring strip runs through a bending unit formed from three separate support points and a reverse bending unit, arranged in series, and formed from a fourth support point. Bent and reverse-be...	03/21/2006
6959574	Continuous pickling and cold-rolling equipment and operating method thereof A new configuration and operating method therefore improves conventional continuous pickling and cold-rolling systems in response to increasing demands for high-propertied steel plates. The continuous pickling and cold-rolling equipment system comprises a uncoiling ...	11/01/2005
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
6790387	Process of producing diffraction gratings on the surface of articles A process of producing an article having a surface provided with an optical diffraction grating such that the surface generates visible color when illuminated with diffuse white light. The process involves deforming a starting material to produce the article having ...	09/14/2004
6708547	Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate of thickness distribution and manufacturing a good-quality plate, and a rolling method. The rolling mill comprises working rolls movable in roll axis directions, profile-measuring means for measur...	03/23/2004
6706331	Cold-formable metal-coated strip A method of producing a metal-coated steel strip includes the steps of forming a metal coating on a steel strip and conditioning the surface of the metal-coated steel strip by smoothing the surface of the strip. The method is characterised in that the conditioning s...	03/16/2004
6708077	Furnace pacing for multistrand mill A method and system for furnace pacing in a mill are disclosed herein. Billets are extracted from a furnace and provided in an alternating fashion to two or more strands of a multistrand stand. The timing of the extraction of each of the billets from the furnace, i....	03/16/2004
6635361	Magnetic shielding steel sheet and method for producing the same A steel sheet for magnetic shields is provided containing 0.15% by weight or less of C and having a thickness of 0.05-0.5 mm and an anhysteretic magnetic permeability of 7500 or higher....	10/21/2003
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
6546771	Method for manufacturing of strips and rolling mill line The invention relates to a method for the manufacturing of strips of stainless steel, comprising cold rolling of a strip which in a foregoing process has been manufactured through casting a melt to form a cast strip and/or has been hot rolled. The cold ro...	04/15/2003
6536254	Method and device for producing a metal strip for tailored blanks to be cut to length The invention relates to a process for the production of tailored blanks by the hot rolling of a strip and to an apparatus for the performance of said process. To obtain tailored blanks to be cut to length from the rolled strip, the hot strip is cooled or...	03/25/2003
6526792	Method for minimizing thickened ends during the rolling of pipes in a stretch reducing mill The invention relates to a method for minimizing thickened ends during the rolling of tubes in a stretch-reducing mill by means of a change in time of the torque of individual driven roll stands when the tube front end and the tube rear end run through th...	03/04/2003
6513358	Method and device for controlling flatness A method for controlling flatness of a strip (1) of rolled material rolled to a first flatness target and coiled and that is subsequently uncoiled, and a system which employs the method. Measurements of the flatness of the strip (1) during rolling are com...	02/04/2003
6463777	Method for the continuous production of a metal strip The invention aims at a method of producing a metal strip on a continuous treatment line comprising a de-scaling station coupled with a cold rolling section. According to the invention, in order to adapt to a change in the production constraints, such as ...	10/15/2002
6460389	Method and apparatus for rolling of heated metallic products Rolling of metallic products to be heated to form wires, rods and seamless pipes, includes rolling of wires or rods as well as rolling of seamless pipes on a same rolling apparatus, and using a part of aggregates of the same rolling apparatus both for rol...	10/08/2002
6453709	Cold rolling method and installation The invention relates to a method for rolling a metal band in a continuous line installation with coupling of the pickling and cold rolling processes. According to the invention, the composition of the pickling fluid is determined to allow the running of ...	09/24/2002
6453712	Method for reducing crop losses during ingot rolling A method and apparatus for reducing crop losses during slab and ingot rolling concerns the formation of a slab ingot having a specially configured or shaped butt end and optionally a head end as well. A special shape is formed by machining, forging or pre...	09/24/2002
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
6408666	Rolling mill and rolling method There are disclosed a rolling mill capable of keeping a uniform plate thickness distribution and manufacturing a good-quality plate, and a rolling method. The rolling mill comprises working rolls movable in roll axis directions, profile-measuring means fo...	06/25/2002
6357273	Method of reducing waste in the rolling of strip segments interconnected by weld seams A tandem strip-rolling line has a strip store between the mill so that when the upstream mill is open on the approach of a weld seam joining successive lengths, the downstream mill rolls strip stored in the strip store and conversely when the strip is hal...	03/19/2002
6336350	Method for the flexible rolling of a metallic strip A method for the flexible rolling of a metallic band wherein, during the rolling procedure, the metallic strip is lead through a roll gap which is formed between two working rolls and which is set so that, over the length of the metallic strip, strip sect...	01/08/2002
6318140	Method of manufacturing laminated ring and apparatus for measuring circumferential length difference of ring in such method A laminated ring is manufactured by severing a cylindrical drum, which comprises a sheet of maraging steel with welded opposite ends, into a plurality of rings of predetermined width, rolling the rings to a predetermined target circumferential length, cor...	11/20/2001
6309482	Steckel mill/on-line controlled cooling combination The in-line combination of a reversing rolling mill (Steckel mill) and its coiler furnaces with accelerated controlled cooling apparatus immediately downstream thereof and associated method permits steel to be sequentially reversingly rolled to achieve an...	10/30/2001
6305206	Reversible rolling method and reversible rolling system A pass schedule calculation apparatus calculates pass schedule and inputs the schedule to a preset apparatus which is plate thickness control means. The present apparatus controls a draft motor before rolling to set an appropriate initial roll clearance, ...	10/23/2001
6295851	Method of monitoring the distance between the rolls of a roll pair, and means for use in carrying out the method The invention relates to a method of monitoring the distance between the rolls of the roll pairs in a rolling line that includes a plurality of mutually sequential roll units where each unit includes a roll pair and a roller guide for leading a bar sectio...	10/02/2001
6282938	Method for rolling a metal strip The invention relates to a method for rolling a metal strip (6) in a reverse rolling mill (1) with a coiler located upstream and a coiler located downstream (4,5). The metal strip is wound off the upstream coiler (4) with a strip thickness (d) and at a st...	09/04/2001
6263716	Hot strip reversing mill with a shapemetering apparatus A shape detection device is incorporated as part of a hot strip reversing mill. The shape detection device is a shape detector roll adapted to contact the metal strip. The shape detector roll is used to provide data to an automated shape control and steer...	07/24/2001
6261639	Process for hot-rolling stainless steel A hot-rolling process prevents surface deterioration of the stainless steel sheet which forms during hot rolling of a stainless steel slab after heating in a heating furnace, and does not cause damage to the heating furnace nor a decrease in yield of the ...	07/17/2001
6240756	Path scheduling method and system for rolling mills A tandem rolling mill (FM) has mill stands (Fi; i=1 to 7) to be controlled in conformity with given rolling conditions (j) to execute a given path schedule for a coil (1) to be rolled by rolls (WR) of the mill stands (Fi) to scheduled thicknesses (hi...	06/05/2001
6237205	Reversing cold rolling apparatus Various conventional problems produced by the reason that the coil preparatory line and the reversing cold rolling line are independent of each other are to be solved by unifying the both lines without reducing efficiency of rolling operation. A reversing...	05/29/2001
6220068	Process and device for reducing the edge drop of a laminated strip The invention relates to a method for reducing the edge drop of a rolled strip in a roll train having one or more roll stands, at least one roll stand having actuators for reducing the edge drop, which are set as a function of the edge drop of the rolled ...	04/24/2001

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Class 72/365.2 - "Rolling"