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| Number | Title | Issue Date |
| 7241126 | Apparatus for imparting protusions and recesses and product An apparatus imparts concaves/convexes to a sheet-like object by passing the sheet-like object between a pair of rollers facing each other. At least one of the rollers is a roller a surface of which is formed by laminating a single or a plurality of circular plates ... | 07/10/2007 |
| 7191628 | Method of continuously hot rolling a heated billet into a plurality of finished products A billet is initially rolled into a process section having at least first and second segments joined by an intermediate web, with the cross-sectional area of the second segment being larger than that of the first segment. The intermediate web is slit to separate the... | 03/20/2007 |
| 6998579 | Chamber for uniform substrate heating In a first aspect, a first apparatus is provided for heating substrates. The first apparatus includes (1) a chamber having a bottom portion and a top portion; (2) a plurality of heated supports disposed within the chamber to support at least two substrates thereon; ... | 02/14/2006 |
| 6966208 | Method of producing support pillars A method of producing support pillars for use in the fabrication of evacuated glass panels and, in particular, for use in the fabrication of evacuated glazing. The method comprises the steps of: (a) forming in opposite surfaces (15, 16) of a metal blank (1... | 11/22/2005 |
| 6941636 | Method for operating a casting-rolling plant A casting-rolling plant and a method of operating a casting-rolling plant are disclosed. At least one slab production line (40, 50) and at least one mill train (4) as well as at least one slab feeding device (20) that is independent of the slab ... | 09/13/2005 |
| 6871694 | Device for in-line treatment of rolled metal products A device for treating rolled metal products obtained by continuous casting, such as bars, plates, structural shapes or the like, arranged in line with a rolling system, and comprising a cooling plate (9), an in-line cooling box (13), in-line pickling m... | 03/29/2005 |
| 6763561 | Continuous casting and hot rolling apparatus for parallel production of multiple metal shapes A continuous casting and hot rolling apparatus for the parallel production for a multiplicity of rolled shapes, wire and rod of circular, oval and polygonyl cross section in which a continuous caster or flow shaper produces initially a plurality of discreet strands ... | 07/20/2004 |
| 6463652 | Apparatus and methods for manufacturing hot rolled steel sheets A high-quality hot rolled steel sheet is manufactured with a high production efficiency and a low cost, from a long, hot slab, using a combination of continuous casting facilities and a plate reduction press machine.... | 10/15/2002 |
| 6464927 | Method and apparatus for in-line heat treatment of hot rolled stock Apparatus for the rolling and heat treatment of elongated metal product of relatively small cross section, such as rods and bars, is described in which the elements required for the conduct of a variety of heat treatments are arranged in in-line dispositi... | 10/15/2002 |
| 6112409 | Roll forming utilizing splitting technology A method is provided for roll-forming an I-beam structure having a web and a pair of opposing flanges at each end of the web. The method includes the steps of providing a flat blank having a thickness generally equal to a thickness of the web of the I-bea... | 09/05/2000 |
| 6050122 | Slitter for the production of multiple sections A slitter for a steel mill comprising a pair of spaced rollers having a predetermined surface configurations. A deeply grooved steel workpiece is passed through the gap in the spaced rollers and each section of the workpiece (between the grooves) is twist... | 04/18/2000 |
| 6035682 | Method and respective hot rolling-mill plant for the continuous production of bars, rods or wire Method and respective hot rolling plant for the continuous production of bars, iron rods or wire, of the type in which the rolled section is cut longitudinally in which: the result is a thin flat bloom (A) with large flat (B) with a thickness close to tha... | 03/14/2000 |
| 6029489 | Process and device for dividing and/or cutting of the wire rolling stock into a strand of rolled wire and pieces of scrap A process and a device for dividing a strand of wire rolling stock and/or for cutting the strand of rolling stock into a wire rolling material strand and pieces of scrap by cropping and/or chopping, has the strand of wire rolling stock moving at a high sp... | 02/29/2000 |
| 5526667 | Method to obtain in the hot state single round bars from hot single multiple elements, and relative device Method and device (10) to obtain in the hot state single finished round bars (12a-112a) from hot single multiple elements (11), wherein the device (10) cooperates with at least a penultimate finishing stand (25) and cooperates directly with rolls (26) of ... | 06/18/1996 |
| 5404739 | Portable louver-forming tool A portable tool for forming louvers in a sheet metal work piece. The tool has a substantially C-shaped frame with an upper leg, a lower leg, and a body forming a throat in which the louvers are formed. A female die assembly is mounted on the lower leg of ... | 04/11/1995 |
| 5284042 | Method to obtain sections and/or bars in the cold state, and sections and/or bars thus obtained Method to obtain simultaneously in the cold state a plurality of sections and/or bars (14), starting with a hot-rolled single multiple-section element (10) which is then cooled (12), the sections and/or bars (14) being deemed to be small sections and/or b... | 02/08/1994 |
| 5174142 | Method and apparatus for guiding a rod to a slitter station A method and apparatus for accurately slitting a rod into two equal sections in which the rod is longitudinally advanced to a slitter and is laterally shifted by an in-line guide adjustment system or 1GA so that the slit sections will be equal. The rod se... | 12/29/1992 |
| 5123269 | Cantilevered slit-strand rolling mill with roll changing device A high-speed rod and wire mill, particularly for single-strand, twist-free rolling. The mill includes a roughing train, at least one intermediate train and a subsequent finishing train, wherein each of the trains includes several rolling mill stands or ro... | 06/23/1992 |
| 5105643 | Method of and apparatus for making perforations in spacer frames for use in multiple-pane windows That wall of a hollow metallic spacer frame between two spaced-apart parallel window panes separates a supply of partly granular and partly pulverulent desiccant in the interior of the frame from the space which is surrounded by the frame and is flanked b... | 04/21/1992 |
| 5027632 | No-twist slit-rolling approach ("NTA") apparatus and method for manufacturing steel reinforcing rod A no-twist ("NTA") apparatus and method for manufacturing steel reinforcing bar which allows steel reinforcing bar to be manufactured with greater speed and precision than by conventional methods. The NTA method employs numerous stands, with the shafts of... | 07/02/1991 |
| 4973089 | Apparatus and method for making overlapping strip joints Strip joining apparatus for joining the ends of two metal strips in overlapping relation includes a shear assembly mounted for indexing movement from a remote location to a first shear position for shearing an end of one of the strips and a second positio... | 11/27/1990 |
| 4959986 | Apparatus for cutting a wide sheet of metal material into a plurality of narrow strips A machine for cutting a relatively wide sheet of material into a plurality of relatively narrow strips to reduce bowing and camber in the cut strips is disclosed. The machine supports and moves the material along a path defined through the machine. The ma... | 10/02/1990 |
| 4783983 | Method and apparatus for amorphous metal slitting A method and apparatus are provided for continuously slitting amorphous ribbon into a strip without adversely affecting the unique electrical, mechanical and magnetic properties of the material. The method includes the steps of heating a localized zone to... | 11/15/1988 |
| 4779439 | Method to roll multiple sections A method to roll multiple sections starting from a single round section, comprising the steps of: (a) passing the single round section between the rolls of a rolling mill to obtain a single bar including two substantially elliptical, united, twin sections... | 10/25/1988 |
| 4361021 | Method and apparatus for forming angle ring flanges A method and tooling for making angle ring flanges from relatively light gauge sheet metal. The method starts with a flat strip of sheet metal from which two angle ring flanges are formed. The strip is rolled and butt welded into a band, the butt weld is ... | 11/30/1982 |
| 4357819 | Method and apparatus for simultaneously forming three uniform metal rounds Method and apparatus for splitting a single metal rod into three equal cross-section areas by passing the rod through pairs of rollers to form three connected equal areas, but not identically shaped strands, then applying a separating force to separate th... | 11/09/1982 |
| 4275491 | Multi-complex shear device for splitting hot metallic bars into several smaller bars A shear device for splitting hot metallic bars or billets into smaller forms on a continuous basis, as the metallic bars continuously exit from a mill. The shear device comprises two mechanical complexes. The first mechanical complex is a circular shear f... | 06/30/1981 |
| 4268948 | Parting device A tool for forming parting grooves in a flat, plastically deformable workpiece, especially a continuously cast steel slab in a manner which seals the internal porosity of the slab in the regions which become exposed upon division, has a working portion in... | 05/26/1981 |
| 4204416 | Method of rolling section billets The invention relates to a method of rolling section billets in which billets interconnected by bridges are successively formed from a slab in a number of grooves defined by a plurality of transversely juxtaposed passes, with subsequent separation of bill... | 05/27/1980 |
| 4201075 | Method of rolling section billets A method of rolling section billets wherein a plurality of billets transversely interconnected by bridges are successively simultaneously formed from a slab in a number of grooves defined by a plurality of transversely juxtaposed grooves. The forming is e... | 05/06/1980 |
| 4199970 | Method and mill rolls for metal bar rolling The present invention relates to plastic working of metals and the reducing of a workpiece along its axis by a pair of shaped rolls with formation in the workpiece of a transitional length whose cross section gradually changes from a starting one to sever... | 04/29/1980 |
| 4193283 | Method of slitting a double or triple stranded bar In the high speed production of elongated metal bars, a method of slitting a double or triple stranded bar interconnected at a continuous node or nodes, in which the bar is rolled to reduce the cross-section of each strand equally, the compressive working... | 03/18/1980 |
| 4187710 | Method and apparatus for simultaneously rolling and slitting metal strip Metal strip is slit by passage between a pair of rollers which are flanged and mate together in close tolerance interfitting relationship to completely contain and confine the strip cross section. The rollers compressively work the full width of the strip... | 02/12/1980 |
| 4155238 | Metal web handling method, apparatus and coil construct The disclosure includes method and apparatus for handling elongated webs of sheet metal, and a sheet metal construct formed as an intermediate product and comprising a parent coil pre-divided into a plurality of daughter coils. In one method sequence, sep... | 05/22/1979 |