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| Number | Title | Issue Date |
| 8047035 | Method of supplying lubricating oil in cold-rolling A method of supplying lubricating oil in cold-rolling by emulsion lubrication, characterized by comprising: using a constant (supply efficiency) obtained under conditions of a specific rolling rate, emulsion supply, emulsion concen... | 11/01/2011 |
| 7669447 | Combined use of oil and emulsion for the cold-rolling of strips The invention relates to a method for cold-rolling strips consisting of, inter alia, special steels and/or nonferrous metals, in a multi-stand tandem rolling mill. The first stand(s) carry out comparatively high reductions and the last stand(s) determine the surface... | 03/02/2010 |
| 7587919 | Wear resistant coated sheet metal die and method to manufacture a wear resistant coated sheet metal forming die A method to manufacture a steel die having a Physical Vapor Deposition wear resistant coating on a profile surface and a steel die formed thereby is disclosed. The steel die is subjected to quenching and tempering to achieve a Rockwell hardness in the range of about... | 09/15/2009 |
| 7368079 | Method for forming ultra hard sintered compacts using metallic peripheral structures in the sintering cell A method for forming an ultra hard material layer is provided. The method includes disposing a metallic liner inside the periphery of a refractory metal enclosure, introducing ultra hard material feed stock into the enclosure, and sintering using HPHT processing and... | 05/06/2008 |
| 7363792 | Apparatus for manufacturing metal material by rolling The invention relates to a device for producing a metallic product (1) by rolling, comprising: a first area (2) inside of which slabs are produced by primary shaping; a second area (3), which is located downstream from the first area (2) ... | 04/29/2008 |
| 7360387 | Upsetting method and upsetting apparatus To provide an upsetting method capable of efficiently expanding a bar-shaped raw material at least two portions. A plurality of guides 31 and 32 each having an insertion hole 34 are prepared. The bar-shaped raw material 1 secured to a fix... | 04/22/2008 |
| 7353681 | Roll embossing of discrete features A cold rolling process for impressing a pattern on a surface of a sheet metal article involves passing the sheet article through a pair of rolls and engaging a patterning feature with isolated areas of a surface of the sheet article, at a localized pressure to plast... | 04/08/2008 |
| 7347641 | Methods and systems for joining structures One embodiment includes a system of joined structures that includes a first structure having a first aperture in a composite material. The first aperture has a first interior surface and a first minimum radial extent. The system further includes a second structure h... | 03/25/2008 |
| 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 |
| 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 |
| 7257874 | Process for manufacturing ring-type metal joints for high pressure ducts Improved process for manufacturing ring-type metal joints for high pressure ducts, characterized because it presents the following steps: a) oval bar manufacturing and b) ring-type metal joints manufacturing, wherein the oval bar manufacturing comprises the followin... | 08/21/2007 |
| 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 |
| 7191630 | Method and apparatus for equal channel angular extrusion of flat billets The invention comprises a method and apparatus for equal channel angular extrusion (ECAE) of flat billets to control material structure and properties. The improvements of the method include the special systems of billet orientations, billet lubrication, billet ejec... | 03/20/2007 |
| 7162902 | Method for drawing brass-plated steel wire This invention relates to steel wires and steel cords used as a reinforcement for rubber articles such as pneumatic tire, industrial belt and the like, particularly steel wires and steel cords having an excellent adhesion property to rubber, in which an amount of ph... | 01/16/2007 |
| 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 |
| 7141534 | Metal forming device including bearing with sintered anti-friction bearing surface A composite anti-friction bearing structure comprising a bearing substrate and an anti-friction layer. The bearing structure can be in the form of bushings, wear plates, wear rings, etc. The anti-friction layer includes particles of an alloy which combines lubricity... | 11/28/2006 |
| 7127923 | Method and apparatus for forming parts from a continuous stock material and associated forge The present invention provides a method and apparatus for forming a plurality of parts, such as spade-type boring bits, from a continuous stock material. Thus, the various steps of the forming method of the present invention can be performed to predetermined portion... | 10/31/2006 |
| 7108577 | Wedge-lock building blocks A building block that is releasably attachable to another block of compatible design by wedging the tongue of one block into the groove of another block, without the need for any intermediate adhesives, bonding materials or any other means of holding the blocks toge... | 09/19/2006 |
| 7096570 | Tubing expansion tool In an embodiment of the invention, there is disclosed a tubing expansion tool (300) comprising a body (302) adapted for rotation within tubing to be expanded, and three expansion member modules (306) each comprising an expansion member (310 | 08/29/2006 |
| 7094502 | Methods for transferring holographic images into metal surfaces A method for impressing holographic images or holograms in the surface of metal objects such as aluminum cans, sheet metal or metal foil. The surfaces of metal shims and print rolls bearing holograms are hardened as by coating them with thin amorphous diamond coatin... | 08/22/2006 |
| 7046905 | Blacklight with structured surfaces A backlight includes a lightguide, a light source disposed with respect to the lightguide to introduce light into the lightguide and a turning film. Optical structures are formed in one of an output surface and a back surface of the lightguide. The optical structure... | 05/16/2006 |
| 7000320 | Process for manufacturing miniature ball bearings A process for manufacturing miniature ball bearings that reduces material loss to improve manufacturing efficiency. The process consists of obtaining an inner and outer ring blank by cutting a first blank, forging the first blank to obtain a final blank, and separat... | 02/21/2006 |
| 6948282 | Interlocking building block The present building block has at least one inner core, a secondary or end core portion, and an interlock protruding from one face and forming a portion of the periphery of at least one of the inner cores. When placed end to end and at the same level, building block... | 09/27/2005 |
| 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 |
| 6802197 | Process for manufacturing a high strength container, particularly an aerosol container, and the container obtained through such process A process for shaping a high strength container, particularly an aerosol container and a container obtained through such process. Generally, aerosol containers made of aluminum or tin are obtained by conventional embedding processes from sheet disks and have cylindr... | 10/12/2004 |
| 6722174 | Device and method for manufacturing hot-rolled sheet steel and device and method for sheet thickness pressing used for the device and method According to an apparatus and a method for manufacturing a hot-rolled steel plate, a roughing process for reducing a thickness of a continuously cast slab is performed to obtain a sheet bar, and a finishing rolling process for rolling the sheet bar is effected to pr... | 04/20/2004 |
| 6673164 | Method of minimizing environmental effect in aluminides A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture resistant barrier on the surface of the article, fabricating the ... | 01/06/2004 |
| 6530762 | Vacuum pump cooling system, and a method of making it In accordance with the invention, the vacuum pump cooling system includes tubes expanded along their entire length in bores through the vacuum pump body. The tubes can be made of stainless steel, and inserted into a vacuum pump body made of cast iron. Thi... | 03/11/2003 |
| 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 |
| 6449997 | Process for metal wire drawing and a tool for actuating the process In an improved process for drawing metal wires and a tool for actuating the process, a metal wire is coated with a thin surface layer of lubricant and subsequently drawn, gradually in a series of single drawing operations. In a final of the drawing operat... | 09/17/2002 |
| 6439019 | Roller cage for a deep rolling work roller A roller cage (6) is provided for a minimum of one work roller (3) of a tool for deep rolling of grooves or radii of a crankshaft bearing (1) where the work roller (3) at a section of its circumference is loosely guided by the roller cage (6) or inside a ... | 08/27/2002 |
| 6346186 | Method for electrochemical phosphating of metal surfaces A method for electrochemical phosphating of metal surfaces, particularly stainless steel, in connection with cold forming of metal workpieces, which method provides the cold formed workpiece with a lubricant after phosphating, involves an electrochemical ... | 02/12/2002 |
| 6329081 | Stainless steel sheet material and manufacturing method thereof There is provided a stainless steel sheet material, used for a semiconductor manufacturing device, to which it difficult for fine dust to be attached and from the surface of which the attaching dust can be easily washed away. Also, there is provided a met... | 12/11/2001 |
| 6321581 | Process for increasing the wall thickness in hollow sections The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in... | 11/27/2001 |
| 6276183 | Method to reduce and eliminate vibrations in a rolling stand and relative device Method and device to reduce and eliminate vibrations in a rolling stand for plane rolled products comprising working rolls associated with by motor a kinematic chain, there being included nozzles to deliver a mixture of water and lubricant to the surface ... | 08/21/2001 |
| 6266985 | Method for improving lubrication in rolling The invention relates to a method for improving the lubrication of the edges and ends of objects to be rolled, particularly hot rolled, said objects consisting of essentially planar surfaces and being for example metal sheets or strips. According to the i... | 07/31/2001 |
| 6250120 | Apparatus for rotatably supporting the neck of a roll in a rolling mill Apparatus for rotatably supporting the neck of a roll in a rolling mill, including a bearing assembly configured and dimensioned to surround the roll neck, a chock containing the bearing assembly, and a support for the chock, with the chock and the suppor... | 06/26/2001 |
| 6189358 | Two stand tandem for rolling line A tandem with two reversible four-high rolling stands (14a, 14b) for the cold rolling of thin strip to 0.18 mm, advantageously from 0.18 to 1.2 mm, includes at least a first (12a) and a second (12b) drawing reel, mans to heat the rolls and the lubricating... | 02/20/2001 |
| 6079243 | Method of production of welding wire In manufacturing of welding wires, rough surfaces are formed on the product wires to ensure retention of applied lubricants for satisfactory feeding performance. For this purpose, steps of dry hole die drawing with an application of powder lubricants, rol... | 06/27/2000 |
| 6026672 | Wire drawing pressure die holder assembly The inventive pressure die holder is comprised of an elongate hollow steel cylinder which receives a series of dies in an interior cavity. The dies are maintained within the cavity by means of a cap which is attached to one end of the pressure die holder.... | 02/22/2000 |
