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| Number | Title | Issue Date |
| 7322221 | Device for applying lubricants on the peripheral surfaces of rollers in roll stands The invention relates to a device for applying lubricants on the peripheral surfaces of rollers in roll stands for rolling strips, more particularly multiple roll stands with support rollers and working rollers (SW; AW), wherein the lubricants are applied in an area... | 01/29/2008 |
| 7308812 | Process for producing seamless steel pipe A process for producing a seamless steel pipe, in which the occurrence of inner surface flaws in the pipe can be reduced through the lowering of the friction coefficient during the elongation rolling by means of a mandrel mill is provided. The reduction of inner sur... | 12/18/2007 |
| 7308944 | Expander tool for use in a wellbore The present invention generally relates to apparatus and methods for expanding a tubular. In one embodiment, an expander tool includes a body having at least one recess therein. An expansion assembly disposable in the at least one recess includes a piston that outwa... | 12/18/2007 |
| 7266984 | Method and nozzle arrangement for a variable-width lubrication of the rolling-nip of a rolling stand The invention relates to a method for lubricating rolls, in particular for lubricating a rolling nip in rolling stands for rolled strips. According to the invention, said lubrication takes place using an oil-in-water dispersion whilst maintaining both a predetermine... | 09/11/2007 |
| 7204111 | Lubricated hot rolling method An exemplary lubricated hot rolling method is provided which can use a lubricating oil containing, e.g., one or more kinds among an high-basic alkaline-earth metal phenate, high-basic alkaline-earth metal carboxylate, high-basic alkaline-earth salicylate, or high-ba... | 04/17/2007 |
| 7204112 | Method of lubricating a workpiece for hydroforming An apparatus and method of applying a lubricating material to an outer surface of a workpiece. Initially, a workpiece is provided that is preferably formed from a closed channel structural member having a circular or box-shaped cross sectional shape. Lubricating mat... | 04/17/2007 |
| 7181822 | Method and apparatus for controlling strip shape in hot rolling mills A hot rolling mill and method for operating the hot rolling mill where the shape of the strip is controlled by localized cooling devices positioned at intervals along work rolls in at least three lateral zones, a central and two edge zones, and capable of separately... | 02/27/2007 |
| 7178376 | Forging press of the hot-die type and thermal insulation means for the press The invention relates to a forging press of the hot-die type with an operating temperature above a temperature T, comprising two dies between two die support elements, a thermal insulation means being placed between each die and its support element. The press... | 02/20/2007 |
| 7172141 | Lubricant mist sprayer for pinch roll A lubricant mist sprayer is composed by spray headers, which have lubricant and gas supply pipes integrally fixed to each other by fixing members and which are spaced apart a required distance from and are arranged in parallel with surfaces of pinch rolls, and mist ... | 02/06/2007 |
| 7159433 | Method and device for cooling and lubricating rollers on a rolling stand The invention relates to a method and a device for cooling and/or lubricating rollers, in particular the working rollers (2, 3) on a rolling stand and a rolled strip (1), rolled between the above rollers and transported onwards, using water in the form... | 01/09/2007 |
| 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 |
| 7100685 | Mono-diameter wellbore casing A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation ... | 09/05/2006 |
| 6976539 | Tubing anchor A method of installing a liner in a drilled bore below a section of bore previously lined with casing comprises the steps of: running a length of liner into the bore such that at least an upper end of the liner is positioned in overlapping relation with at least a l... | 12/20/2005 |
| 6299690 | Die wall lubrication method and apparatus A method of lubricating the wall surfaces of a die cavity used in powder metallurgy involves spraying the wall surfaces with tribocharged particles of a lubricant material. The method is carried out by means of an apparatus centered about a plug member wh... | 10/09/2001 |
| 6044676 | Method for making hollow workpieces A method for making hollow workpieces such as beverage containers with a circular die in which an aluminum alloy is strip cast whereby the alloy is solidified rapidly without substantial precipitation. Thereafter, the aluminum alloy is formed into a cup w... | 04/04/2000 |
| 5678439 | Spacer An annular device (10) particularly for use as a spacer between dies (200) in a drawing and wall ironing process, the device including an outer delivery channel (30) which is linked to an inner delivery channel (40) by angled slots (50), so that liquid pa... | 10/21/1997 |
| 5584361 | Forging die lubricator Apparatus for lubricating die and/or workpiece surfaces, the apparatus including a container adapted to capture a predetermined volume of lubricant. At least one nozzle is provided for spraying the volume of lubricant onto the die/workpiece surfaces when ... | 12/17/1996 |
| 5256203 | Adhesive for applying a fluid adhesive to the inside surfaces of cartridge cases adjacent their open projectile-receiving ends Apparatus for applying an anaerobic adhesive to the inside of the necks of cartridge cases preparatory to insertion of bullets therein to provide a seal between the inside of the necks and the bullets, the cases being held standing on end, mouth end up, i... | 10/26/1993 |
| 5090225 | Method for cooling and lubricating chiplessly shaped metals A method for cooling and lubricating rolls and/or the rolled material in cold rolling of metal strips in a rolling mill stand. The method includes supplying emulsifiers as necessary and emulsions which contain at least one oil phase. The emulsion is prepa... | 02/25/1992 |
| 5020350 | Apparatus and method for lubricating and cooling in a draw and iron press The invention includes apparatus and method for lubricating and cooling a workpiece, dies or ironing rings, and punch at the interface between the workpiece and such dies or ironing rings and punch in forming a workpiece into a hollow closed end cylindric... | 06/04/1991 |
| 5016456 | Process for making hollow billets into tubes Hollow billet (13) in a first operation of a piercing mill (1, 2) is advanced over a piercer (10) placed on front end (5) of a piercer rod (6) and is retracted after removal of the piercer. During the advance of hollow billet (13) a lubricant is applied t... | 05/21/1991 |
| 4912955 | Spray system for rolling mill A spray system for use in a rolling mill comprises a carriage assembly mounted on linear bearings for movement along an X-axis parallel to an horizontal line passing through the bite of two superposed work rolls, two spray manifolds mounted on the carriag... | 04/03/1990 |
| 4881394 | Method and apparatus for ironing the wall of a one-piece cylindrical body In the wall ironing of a deep-drawn cylindrical body, two ironing ring die regions provide respectively immediately successive first and second thickness reduction phases which take place simultaneously with a relatively small reduction occurring in the f... | 11/21/1989 |
| 4852377 | Tool pack A tool pack includes a cradle (30) that defines a space (36) into which ironing die assemblies (80, 100, 106) and a plurality of lubricating rings (78, 102, 104) each associated with an ironing ring are mounted. A lubricant manifold (152) is configured so... | 08/01/1989 |
| 4840052 | Mobile nozzle device for die lubricating A mobile nozzle device for spraying a lubricant to the surfaces of dies of a forging press in separated state. The device has a lever which is pivotally connected at its upper end to the frame of the forging press and connected at its intermediate portion... | 06/20/1989 |
| 4788842 | Open-die forging method The invention relates to a method and apparatus for open-die forging of workpieces in forging presses at high forging temperatures, more particularly steel billets or ferrous alloy billets between about 800 and 1250 degrees Celsius. In conventional open-d... | 12/06/1988 |
| 4706485 | Carrier module A portable carrier module for transporting work rolls and entry and exit guides to and from a cantilevered roll stand in a rolling mill. The carrier module remains removably mounted on the roll stand during the rolling operation, and includes integral rol... | 11/17/1987 |
| 4703639 | Apparatus and process for forced lubrication piercing Pressurized fluid, pressurized in excess of the yield strength of a billet or rod, is communicated to the exterior of a piercing punch during piercing of the billet or rod to produce tubing, the pressurized fluid is provided to the exterior of the piercin... | 11/03/1987 |
| 4691549 | Apparatus for removing liquid from a strip in a rolling mill and method thereof A substantial amount of liquid lubricant used in a cold strip rolling mill is prevented from passing between the area of the work roll necks and work roll bodies not in contact with a strip by locating in a strip guiding means on the entry side adjacent b... | 09/08/1987 |
| 4671091 | Rolling mill Coolant is applied to the rolls (12-14) of a rolling mill at the ingoing side of the mill by nozzles (22) which are located in casings (23, 24). The casings are sealed to the rolls by contact seals (25, 26, 30, 31) and by edge seals (19) so that coolant i... | 06/09/1987 |
| 4655065 | Plug drawing of tubes and other hollow items A plug for use in the plug drawing of hollow tubes or other stock. A flexible and deformable seal is mounted on the rearward part of the plug. In its relaxed state this seal allows easy insertion of the plug into the stock before drawing begins. In its de... | 04/07/1987 |
| 4653303 | Apparatus for continuously brushing and lubricating rolls of rolling mills for flat rolled products Apparatus for continuously brushing and lubricating rolls of rolling mills for rolled flat products without pollution of said products by the lubricant used; it can be used in hot or cold rolling, in particular for Al or alloys thereof. An enclosure of ge... | 03/31/1987 |
| 4586365 | Apparatus for automatically transporting work-pieces in a drop forging press In the automatic transport of workpieces in drop-forging presses, the workpiece is moved by a transporting device from one die to the next die in accordance with strokes. The dies are kept clean by blasting and spraying. Two dies are located at each work ... | 05/06/1986 |
| 4581912 | Apparatus for processing terminal ends of tubes Disclosed is an apparatus for automatically processing an end portion of a tube disposed along a predetermined moving path so as to be movable toward and away from the moving path. A first clamping device is mounted on the base in front of the pointing de... | 04/15/1986 |
| 4565082 | Spray apparatus for metal forming machines A multipiece spray assembly is disclosed which provides an annular axially and radially inwardly inclined nozzle passage operative to rapidly and efficiently apply a substantially complete and uniform coating to the inner surfaces of a forming cavity. Add... | 01/21/1986 |
| 4528832 | Methods and apparatus for increasing the efficiency of tubing extrusion Extrusion apparatus wherein a hollow cylindrical workpiece is advanced over the outer surface of a mandrel and through an extrusion die by motive force applied to the outer surface of the workpiece by an advancing drive member having an inner surface in o... | 07/16/1985 |
| 4520643 | Assembly for blowing out and spraying dies in forging presses The assembly for blowing out and spraying dies in a forging press is particularly adapted both to automatically operating and hand operated drop-forging presses. The automatically operating drop forging presses have workpiece transport effected by a walki... | 06/04/1985 |
| 4467629 | Method of flattening steel strip in rolling mill A steel strip is first passed longitudinally in a predetermined travel direction through a nip between a pair of parallel rolls, and then passed downstream in the direction from the rolls over a sensor that engages the strip at a plurality of zones spaced... | 08/28/1984 |
| 4452578 | Spray apparatus for metal forming and glassware forming machines A new spray ring apparatus for use in forming apparatus of the type used in metal forming and glassware forming which include a forming cavity into which a fluid lubricant material is sprayed. In one embodiment, the spray ring includes a plurality of nozz... | 06/05/1984 |
| 4393675 | Contrivance for the machining of cylindrical surfaces on metal-cutting lathes A contrivance for the machining of cylindrical surfaces on metal-cutting lathes in a housing whereof there are contained a tool head with at least one tool, a head with deforming rollers, and a system for feeding coolant-lubricant to the tool and deformin... | 07/19/1983 |
