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| Number | Title | Issue Date |
| 7357011 | Method and apparatus for manufacturing metal strips The invention concerns a method for producing metal strip (1) in an installation (2), in which a metal strand, especially a thin slab, is brought to a desired temperature and/or is maintained at a desired temperature in a furnace (3, 3a, ... | 04/15/2008 |
| 7260968 | Combined use of oil and emulsion for the cold rolling of strip An installation for cold-rolling strip composed of special steel and/or nonferrous metals, which includes a multi-stand tandem rolling mill and essentially two independent coolant and lubricant systems. The installation further includes an emulsion system with tanks... | 08/28/2007 |
| 7204110 | Hot die cleaning system for quick plastic forming cell A cleaning apparatus for removing metallic buildup from forming surfaces of metal forming dies while the dies are in a press and operating at elevated temperatures. The cleaning apparatus includes a programmable positioner having a robotic arm with an end effector c... | 04/17/2007 |
| 7191625 | Method of cleaning an aluminum drum substrate for an electrophotographic photoconductor A method of cleaning an aluminum drum substrate that removes cutting chips, and degreases to remove high viscosity drawing oil used in a cold drawing process, without using a chlorine-containing organic solvent. A plurality of aluminum drum substrates are arranged i... | 03/20/2007 |
| 7181943 | Descaling method for strip-rolling mill Strip is descaled in a rolling line having a scale scrubber and a finishing line downstream of the scale scrubber. The strip is sprayed with water on its upper and under sides at a descaling pressure in the scale scrubber. In the scrubber the strip is treated with w... | 02/27/2007 |
| 7124609 | Spin forming of HVAC duct reducers Method of a spin forming conical fittings for HVAC systems from 10 to 26-gauge steel material. A flat pattern is cut, stamped or otherwise formed from flat sheet stock or roll stock. The pattern is rolled or otherwise formed into a frustoconical shape. The workpiece... | 10/24/2006 |
| 7121128 | Method of manufacturing elliptic deep-drawn products A method of manufacturing an elliptic deep-drawn product including a first step of providing an intermediate product and a second step of providing an end product. In the first step, a rotary forming die is used to form in a blank a substantially round formed portio... | 10/17/2006 |
| 7077724 | Sheet metal scale removing water jet process An apparatus and method of removing scale from the surfaces of processed sheet metal employs high pressure jets of water directed from nozzles positioned in close proximity to the sheet metal surfaces. ... | 07/18/2006 |
| 6997027 | Forging punch There is disclosed a punch for forging a metallic plate member. A first die is adapted to be opposed to a first face of the plate member. A second die is adapted to be opposed to a second face of the plate member. A plurality of first projections are provided on the... | 02/14/2006 |
| 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 |
| 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 |
| 6943874 | Apparatus for inspecting a surface The invention concerns an apparatus for inspecting a surface, in particular the surface of a mill roll, comprising a housing wherein are arranged means for transmitting and receiving a light beam, and an optical coupling device arranged on the outer surface of a fro... | 09/13/2005 |
| 6928753 | Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills The preferred quality requirements postulated by producers for the product cold-rolled strip include, among good flatness and optimum thickness tolerances, also dryness of the strip in the outlet of strip rolling mills. Already existing devices that are disposed in ... | 08/16/2005 |
| 6834521 | Method and device for drying and keeping dry especially cold-rolled strip in the delivery area of cold-rolling and strip-rolling plants In a method for drying and keeping dry rolled strip in a delivery area of strip-rolling plants, a partition is arranged in the delivery area for separating a damp area of the rolling mill from a dry area. The partition extends from the base plate to the stand platfo... | 12/28/2004 |
| 6832387 | Systems, methods, and software for using markers on channel signals to operate electronic program guides and recording devices Convergence systems, or PC-TV systems, provide the combined benefits of a computer system and a television. These systems typically include audio/video recorders, such as VCRs, for recording programs, as well as an electronic program guide (EPG) for presenting progr... | 12/14/2004 |
| 6604398 | Working method and installation for the flexible and economical pickling and cold-rolling of metal strips The installation includes an in-line arrangement of a metal pickler, a reeling arrangement installed on the coiling side of the metal pickler, and a cold-rolling mill. The method includes ones of the following alternative sequences of work steps: (a) the ... | 08/12/2003 |
| 6581429 | Strip wiper device, strip wiping method, rolling mill and rolling method To improve the productivity of the cold rolling facility by providing the cold rolling facility with a strip wiper free of dust and foreign matters suitable for high-speed rolling. The wiping ability was greatly improved by floating and supporting the wip... | 06/24/2003 |
| 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 |
| 6528182 | Zinc coated steel plates coated with a pre-lubricating hydroxysulphate layer and methods for obtaining same The invention concerns a steel plate coated with a metal layer based on zinc and a zinc hydroxysulphate layer, whereof the surface density of sulphur is more than 0.5 mg/m2. The invention also concerns a method for obtaining said plate by treat... | 03/04/2003 |
| 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 |
| 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 |
| 6295852 | Descaling method for a metal strip and a descaling arrangement therefor In a method and a device for descaling a metal strip, the metal strip is guided in a transport direction from a first roll stand to a second roll stand. A descaling device is positioned between the first and second roll stands. A descaling liquid is spray... | 10/02/2001 |
| 6286350 | Method for hot pressing of workpieces A hot-forming machine for the hot-pressing of workpieces comprises a die (5), an associated extendable and retractable ejector (7) and a forwardly and backwardly movable press ram (1). The ejector (7) is connected to a control piston (8) arranged displace... | 09/11/2001 |
| 6282767 | Method to roll strip and plate and rolling line which performs such method Method line to roll strip and plate starting from thin slabs produced by continuous casting, whereby the cast product is subjected to at least one descaling operation followed by a roughing operation and by a finishing operation before being wound in coil... | 09/04/2001 |
| 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 |
| 6257034 | System and method for preventing scale defects during hot rolling A system and a method are disclosed for preventing scale defects during hot rolling by hot rolling equipment having a scale breaker provided at an entry side of a finishing mill line composed of a plurality of rolling mills arranged in tandem. A descaler ... | 07/10/2001 |
| 6216770 | Method of improving the surface quality of a continuously cast slab A method of improving the surface quality of a continuously cast slab, particularly a thin slab having a maximum cast thickness of 100 mm, wherein the slab is covered with a casting slag film and a layer of scale, and wherein the slab is descaled after ca... | 04/17/2001 |
| 6210501 | Heavy-duty cold-rolling for mechanically descaling a hot-rolled steel strip before pickling When a hot-rolled steel strip 1 is rolled at a large rolling reduction by a cold-rolling mill 4, cracking and interlayer peeling occur in those mill-scales which can not keep up with the elongation of base steel so as to weaken the adhesiveness of the mil... | 04/03/2001 |
| 6134933 | Method and system for suppressing surface oxide film during hot finish rolling A plurality of finishing mills for finish rolling a rolled material are located in a row to configure a finishing mill group. First to third surface coolers for cooling surfaces of the rolled material are located on an entry side of each of first, second ... | 10/24/2000 |
| 6122947 | Bar deburring plant A bar deburring plant for cut to size round bars, comprising: a first roller feed path of cut bars towards an alignment element of one first end of said bars, a first transfer element of said bars, with said first aligned end, to a conveyor of said bars, ... | 09/26/2000 |
| 6089063 | Method of and apparatus for producing rolled or cast metal strip with descaled surfaces A method of descaling rolled or cast metal strip, especially stainless steel or titanium-alloy steel strip in which the initial descaling is effected in a stretch-bend leveler and the annealing furnace directly follows the stretch-bend leveler and is dire... | 07/18/2000 |
| 6055835 | Method and system for suppressing formation of scale in hot finishing mill system A plurality of finishing mills for finish rolling a rolled material are arranged in a row to form a finishing mill group. A scale breaker is provided at an entry side of the finishing mill group, a glass coating material application device for jetting mol... | 05/02/2000 |
| 6052106 | Control method for a ferroelectric liquid crystal matrix panel Subject-matter of this invention is a control method for a ferroelectric liquid crystal matrix panel wherein use is made of selection voltages comprising, at each selection operation, at least two (write) pulses, that is voltages having substantially an i... | 04/18/2000 |
| 6035681 | Etched/lubricated swage balls for use in DASD suspension-arm An etched, lubricated swage ball for use in swaging a head gimbal assembly to an actuator arm in a magnetic disk drive, and a method for making the same. The present invention discloses a lubricating system for swage balls used in a disk drive system whic... | 03/14/2000 |
| 5996200 | Descaling device and method A descaling device for slabs or strips in hot rolling mills includes nozzles fed by a pressurized water piston pump for directing water jets against the slab or strip for removing scale adhering to the surface of the slab or strip. At least one additional... | 12/07/1999 |
| 5992196 | Process for pickling a piece of steel and in particular a sheet strip of stainless steel Continuous production line for producing a strip of rolled sheet of steel comprising applying to said sheet of steel an aqueous pickling solution containing hydrochloric acid and ferric and ferrous pickling irons in solution, and, for the purpose of maint... | 11/30/1999 |
| 5884643 | Cleaning method and cleaning apparatus for surface of sheet steel There is provided a cleaning apparatus for a surface of a sheet steel capable of satisfactorily removing scale from a surface of a sheet steel before, for example, hot rolling. Waters (42a, 46a) are ejected from nozzles (42, 46), with an ejection pressure... | 03/23/1999 |
| 5775152 | Apparatus for keeping cold strip dry in the runout of cold rolling plants and strip rolling plants An apparatus for keeping cold strip dry in the runout of cold rolling and strip rolling plants includes units for deflecting liquid rolling medium in the area of the strip runout and/or for the removal of spray liquid adhering to the surfaces of the strip... | 07/07/1998 |
| 5758530 | Hot rolling mill A hot rolling line is constructed by a pair or a plurality of pairs of rolling rolls disposed opposingly on an upper side and on a lower side of a workpiece (1) to be rolled that is pinched in between the rollers. A descaling apparatus (5) has jet flow no... | 06/02/1998 |
| 5725696 | Process and plant for production of raw stainless steel castings The invention refers to a process for production of raw stainless steel castings, in particular for stainless steel strip, covering rolling and annealing of cast material if required, as well as de-scaling, in particular by pickling in aqueous media, and ... | 03/10/1998 |
