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7621201 |
Hot forming tools for aluminum and magnesium sheets
A ferrous metal tool is provided for the forming of light metal sheet workpieces at elevated temperatures, with the forming surface of the tool prepared to minimize friction and adhesion when...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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/m 2 . The invention also...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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5697241 |
Rolling arrangement
There is disclosed a rolling arrangement including a rolling stand and a preceding descaling means. In order to obtain a perfect surface quality while maintaining a high energy content of the...
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5642637 |
Lubricator assembly for presses usable in die forging
A reciprocating lubricator assembly for a die press employs a non-linear travel path and a mechanical advantage to permit the use of an actuator having a very short stroke to move a lubricating...
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5634363 |
Method of mechanical descaling and mechanical descaling equipment
In a bending type mechanical descaling method, streak-like scales remain, which cause a die seizure in the subsequent drawing process. In the present invention, there is provided a quite new...
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5628223 |
Arrangement for sealing without contact a gap in the runout of a roll
An arrangement for sealing without contact a gap between a separating wall and a work roll in the runout of a roll stand includes at an end of the separating wall a separating element which is...
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5626042 |
Device for the preparation of used metal barrels with a view to facilitating handling and recycling thereof
A device for the processing of a barrel of which the upper side comprises a filling hole situated in a standardized position, this device comprising a processing enclosure fitted with a supporting...
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5572892 |
Method of producing silicon steel hot rolled sheets having excellent surface properties
In a production method for silicon steel hot rolled sheets by subjecting a slab of silicon steel to a rough hot rolling through high-temperature heating and then subjecting to a finish hot rolling,...
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5554298 |
Steel mill flume water treatment
The invention comprises a method of preventing deposition of oil on steel mill scale particles comprising adding from about 1 part per million to about 500 parts per million of an amine...
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5540074 |
Unitary assembly of peripheral devices for use with steckel mill
A self-contained unitary assembly for peripheral devices normally located close to a Steckel mill is provided. The assembly has a frame open at both ends to receive and pass through the steel...
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5535613 |
Device for moving a blowing and spraying assembly for dies of a forging press
A device for moving a blowing and spraying assembly for dies used in a forging press freely adjusts the movement of the blowing and spraying assembly. The distance from an intermediate fulcrum P of...
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5531085 |
Die lubricant applicator
A die lubricant applicator for spraying lubricant from a pressurized source of lubricant through a plurality of injector nozzles onto a die press. Associated with each injector nozzle is a...
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5528920 |
Process for laminating a thin film of lihium by controlled detachment
A film of lithium capable for example of providing the anode of a polymer electrolyte battery is produced by laminating a lithium sheet between two working rolls. At the outlet, the film remains...
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5495736 |
Method and apparatus for descaling and cold rolling metal strip
In descaling and cold rolling of metal strip, there are performed the steps of joining strips longitudinally together, passing the joined strip continuously through a descaler, subdividing the...
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5473924 |
Rolling mills
In a rolling mill for following aluminum strip, it is desirable to apply water to the rolls on the entry side of the mill. Water should be kept off the surface of the rolled strip to avoid marking...
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5412966 |
Push-pull pickle line
A semi-continuous "push-pull" pickle line for removing oxides from hot-rolled steel strip. In addition to other value added features, a treatment portion of the pickle line includes: (1) a two-high...
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5279141 |
Apparatus for pre-processing stainless steel strip intended to be cold-rolled
An apparatus for pre-processing a stainless steel to be cold-rolled comprising: annealing and pickling means having a mechanical descaling device and a pickling device; rolling means consisting of...
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