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| Number | Title | Issue Date |
| 7490500 | Tape measure device and method of manufacturing blade therefor A tape measure device has an elongated blade with a central concave-convex segment with at least one planar segment adjoining edgewise the central concave-convex segment to form a junction that extends substantially along the entire length of the elongated blade. Du... | 02/17/2009 |
| 7434439 | Cryofluid assisted forming method Method of forming a workpiece comprising (a) providing a tool and a workpiece, wherein the workpiece has an initial shape; (b) placing the workpiece and the tool in contact, applying force to the tool and/or the workpiece, and moving the tool and/or the workpiece to... | 10/14/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7302823 | Gauge for pipe bending machine A pipe bending system employing a sensing and indicating system that provides feedback to an operator regarding the position of components of the pipe bending system, such as the pin-up shoe and the stiffback. Apparatus for retrofitting a sensing and indicating syst... | 12/04/2007 |
| 7290422 | Device for free three-dimensional profile forming The invention pertains to a device for the 3D free-form bending of profiles with arbitrary, but constant outside dimensions over the profile length, particularly hollow profiles, wherein the profile to be bent has a longitudinal axis and is moved through the through... | 11/06/2007 |
| 7290423 | Roller hemming apparatus and method Various embodiments of roller hemming apparatus and methods are disclosed including one wherein multiple rollers are carried on a single mount to hem a flange in a single pass, another including induction heating and air quenching means movable with a roller to anne... | 11/06/2007 |
| 7278846 | Vivid three-dimensional illustrated card tool set A tool set for bending a semi-finished decoration with a straight wire into a finished decoration with a bent wire and attaching the decoration to an printed ink layer on a base of an illustrated card has a die mold and a hand-held tool. The die mold has a top edge,... | 10/09/2007 |
| 7257977 | Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting A system and the relevant thermo-electromechanical process with two superimposed devices (A) able to coil and uncoil a pre-strip (a) by reversing their positions, provided with outer (4) and inner (7) burners to respectively equalize and optimiz... | 08/21/2007 |
| 7231798 | System and method for tube bending A method for bending a tube in a pre-selected geometry includes deriving at least one processing parameter from the geometry, applying a thermal source circumferentially to the tube to heat the tube along at least one circumferentially directed path in accordance wi... | 06/19/2007 |
| 7204661 | Pipeline system utilizing cold bends An expansion loop for an above-ground pipeline that utilizes cold bent pipe sections having a bend angle of less than 90 degrees and a bend rate (in degrees per foot) of relatively low severity. ... | 04/17/2007 |
| 7198068 | Cassette pigtailing machine for a coil spring A pigtailing machine includes a B forming head and a support pedestal secured to a cassette base. The cassette base is located upon a base which mounts the A forming head to provide for a relatively quick changeover should another double pigtail coil spring need be ... | 04/03/2007 |
| 7121131 | Water cooled panel and forming method A bending method for producing a coil using a thick wall pipe, comprising a simultaneous hot bending and pressing of the pipe by which it is possible to obtain a coil without welded 180° elbows since the return sections are integral part of the pipe. ... | 10/17/2006 |
| 7107682 | Method for manufacturing tubes and profiles The invention relates to a method for manufacturing tubes and profiles with variable wall thickness over the length. The method comprises the steps of flexible rolling of continuous material strip with variable thickness in the longitudinal direction of the strip ma... | 09/19/2006 |
| 6644085 | Printing plate bender apparatus A printing plate bender for forming shaped edges on a substrate. The printing plate bender generally has a frame, and an elongate mandrel rotatably supported on the frame. The mandrel includes a substrate retainer supported thereon for securing the substr... | 11/11/2003 |
| 6384388 | Method of enhancing the bending process of a stabilizer bar A method of enhancing the bending process of a stabilizer bar by locally pre-heating the stabilizer bar immediately prior to formation. By pre-heating the stabilizer bar, the stress in the stabilizer bar is relieved at the bending areas. This allows large... | 05/07/2002 |
| 6250124 | Steel pipe bending apparatus and method The present invention is carried out to supply a small sized and lightweight steel pipe bending apparatus so as to bring to construction sites, so as to keep thinning a thickness of the pipe at lower level and so as to obtain the pipe with a desired bendi... | 06/26/2001 |
| 6094957 | Method for bending difficult-to-work metallic wire and method for shaping coil section thereof A method is provided for bending a difficult-to-work metallic wire into a complicated profile. A predetermined length of the difficult-to-work metallic wire is prepared. Part of a portion thereof is held by a conductive clamping device. A first conductive... | 08/01/2000 |
| 6038902 | Intrados induction heating for tight radius rotary draw bend A boost bend method of making tight radius bends in boiler tubes, such as bends having a radius of 1×D or less, in which a selected portion of the intrados of the tube is heated in a controlled manner thereby reducing the necessary tube wall thickness re... | 03/21/2000 |
| 5930897 | Method and apparatus for tempering knotted coil springs Disclosed herein is apparatus for fabricating a coil spring including axially opposite end convolutions having respective ends respectively knotted to the associated end convolutions, which apparatus comprises a frame, a coil forming device mounted on the... | 08/03/1999 |
| 5868050 | Process and device for the continuous, chipless separation of individual rings from tubular workpieces A process for the continuous chipless separation of identical individual rings from tubular workpieces by using cutting rollers. In order to produce highly-accurate rings, preferably from antifriction bearing steel, the section of the tubular workpiece to... | 02/09/1999 |
| 5758420 | Process of manufacturing an aneurysm clip A process for manufacturing an aneurysm clip (10) having a coil spring (22), a first arm (26) ending in a first clamping jaw, and a second arm (34) ending in a second clamping jaw (40). The method includes: (a) providing a cylindrical starting rod (1) of ... | 06/02/1998 |
| 5637249 | Steckel mill coiler furnace incorporating heated pinch rolls For economy of operation, as much as possible of the total length of a steel strip being rolled by a Steckel mill should be maintained at an acceptably high temperature. To this end, the trailing edge of the strip is drawn into the coiler furnace to the e... | 06/10/1997 |
| 5491996 | Method and apparatus for manufacturing a stabilizer bar A stabilizer bar or a similar metallic tube product for vehicles, has a central portion and at least two bent portions forming legs. The bar includes a thick-walled metallic tube having in the central portion a wall thickness and outside diameter in a rat... | 02/20/1996 |
| 5131134 | Apparatus to coil strip An apparatus for coiling strip, in particular, continuously cast thin slabs, which after leaving the continuous caster are wound into a coil in a furnace at a casting speed, and are payed out of this furnace at a rolling speed, whereby preferably two furn... | 07/21/1992 |
| 5049059 | Apparatus for forming polycarbonate sheeting The invention relates to an apparatus for forming twin-wall polycarbonate sheets into desired arcuate forms to be used for example for awnings. The apparatus is distinguished from known forming apparatus which are generally not effective in forming the po... | 09/17/1991 |
| 5005395 | Method of manufacturing electric welded pipes under hot conditions A method of producing an electric-welded pipe by continuously shaping a steel sheet into a tubular form in a hot condition is disclosed, which is characterized by employing a forming roll arrangement of the constant pass-line type in combination with the ... | 04/09/1991 |
| 4945743 | Apparatus for manufacturing electric welded pipes under hot conditions An apparatus for producing an electric-welded pipe by continuously shaping a steel sheet into a tubular form in a hot condition is disclosed, which is characterized by a forming roll arrangement of the constant pass-line type in combination with the downw... | 08/07/1990 |
| 4881987 | Process for direct softening heat treatment of rolled wire rods Direct softening heat treatment of rolled wire rods comprises the steps of: providing wire rods by hot- or warm-rolling, and immediately following rolling, coiling the rolled wire rods in an annealing furnace. Apparatus therefor comprises an annealing furnace ... | 11/21/1989 |
| 4869089 | Coil box apparatus A coil box apparatus provided between a roughing roll and a finishing mill at a hot rolling mill so as to coil a rolled material transported from the roughing mill in order to make the temperature distribution of the rolled material more uniform, which is... | 09/26/1989 |
| 4818311 | Methods of and apparatus for heating a moving metallic strand material During the heating of a moving wire (21) such as when the wire is being aaled, the wire is heated in such a manner that the energy applied to each successive increment of length of the wire is substantially constant. This is accomplished by causing an in... | 04/04/1989 |
| 4809411 | Method for improving the magnetic properties of wound core fabricated from amorphous metal A method for improving the magnetic properties of a core fabricated from at least one strip of amorphous metal wound about itself to form adjacent laminations in the shape or a closed loop is disclosed. In accordance with the method, a force in tension of... | 03/07/1989 |
| 4807457 | Line to cool wound bundles of rolled wire and rod Line to cool wound bundles of rolled wire and rod, the diameter of the rolled stock processed on the line ranging from a few millimeters up to about 45 mm., the line comprising a head (12) to form coils of wire, a roller conveyor (13), a cooling tunnel (1... | 02/28/1989 |
| 4768363 | Method of levelling two-layered clad metal sheet A method for preventing the camber of a two-layered clad metal sheet having a base layer and a covering layer of different metals which exhibit different amounts of thermal contraction. The method comprises developing a temperature difference Ɗ T express... | 09/06/1988 |
| 4703640 | Coiler-furnace unit In a coiler-furnace unit comprising a coiler for coiling a metal strip, a sleeve (2), which comprises heating means (3) for heating the coiler mandrel (1) and is adapted to be axially displaced over the coiler mandrel (1), and a heat-insulating shell (7) ... | 11/03/1987 |
| 4686844 | Method of bending a thick metal tube, and apparatus for implementing the method A method and apparatus for bending thick metal tubes is disclosed and is characterized in that thermal insulation is disposed inside the heated zone of the tube being bent, and that the thickness of said thermal insulation is great enough to considerably ... | 08/18/1987 |
| 4659398 | Method for reducing internal stresses of roller straightened rails The present invention relates to a process for reducing internal stresses of roller straightened rails. After the straightening operation the rail web portion is heated for a short time to temperatures ranging between 200°-700° C., preferably between 35... | 04/21/1987 |
| 4615195 | Process and apparatus for high speed fabrication of copper wire A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali... | 10/07/1986 |
| 4599881 | Method and arrangement for winding and forming helixes of elastic plastic or metal wire In a method and an arrangement for winding and forming helixes of elastic synthetic plastic and metal wire the wire is supplied from a wire supply device, windings are then wound from the wire so as to form straight winding legs connected by head curves, ... | 07/15/1986 |
| 4596128 | Method and apparatus for bending elongate workpieces, particularly pipes A method and apparatus for bending elongate workpieces, particularly pipes, by applying a bending moment to the workpiece while inductively heating a cross-sectional zone of the workpiece to provide a nonuniform temperature distribution along the circumfe... | 06/24/1986 |
| 4574604 | Process and apparatus for high speed fabrication of copper wire A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali... | 03/11/1986 |
