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WO/2003/092923A1 |
The invention relates to a straightening machine for pipes and rods especially a slant-roller straightening machine, having at least one upper roller and at least one lower roller (1) provided with quills (4, 11) whereon the upper and th...
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WO/2003/084695A1 |
In order to improve straightening machines, the invention provides a device for straightening wound semi-finished products that comprises a self-centering straightening rotor.
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WO/2003/082495A1 |
A cold diameter reduction press molding method of a metal pipe comprising a diameter reduction molding process for reducing the outer circumferential length of an original metal pipe having a noncircular transverse section as compared wi...
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WO/2003/081060A1 |
An apparatus for processing a drive shaft (11) for a vehicle, the drive shaft (11) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and applying ...
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WO/2003/072965A1 |
A system for assembling a vehicle drive shaft is provided with the steps of installing yokes on respective ends of a drive shaft tube, each yoke having first and second bores therethrough for receiving respective distal ends of respectiv...
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WO/2003/066271A1 |
Method and apparatus for friction welding termination elements at first and second ends (21, 23) of a cylindrical shaft (15) in alaignment with an axis. A shaft receiver (17) receives the cylindrical shaft (15), and a first chuck (70) gr...
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WO/2003/061866A1 |
The invention relates to a method for deep rolling and dressing crankshafts. According to said method, values relating to the deformation behaviour of the crankshaft during the deep-rolling method are determined for said crankshaft in a ...
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WO/2003/045601A1 |
The invention relates to a device (1) for production of a tube (2) with a polygonal, preferably rectangular cross-section, comprising a tube welding unit (3), in which the tube (2) is formed from a sheet metal strip and welded at the res...
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WO/2003/035297A1 |
A system for removing dents from metal (22) comprising (i) a device (10) which includes at least one magnet (12) having a handle (16) detachably held to a portion of the magnet (12) by magnetic attraction and a roller (20) detachably hel...
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WO/2003/011493A1 |
The method of distorting a workpiece (8) comprises selecting a desired configuration of the workpiece; determining distortions (14) to be applied to at least two regions of the workpiece to cause the workpiece to adopt the desired config...
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WO/2002/081114A1 |
The invention relates to metal shaping, in particular to the straightening of round rolled stock, for example tubes. The inventive method for straightening the round rolled stock by alternate elastoplastic bending thereof consists in for...
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WO/2002/030586A1 |
Apparatus and method for gauging and rounding, at room temperature, a section of fully formed seamless ductile iron pipe (P) that has an out-of-round initial cross-section profile and/or a larger than desired initial gauge. The apparatus...
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WO/2001/097992A1 |
The invention relates to a straightening machine for straightening sections such as rolled beams. Said machine comprises several tools (11) arranged above and below the alignment line in the direction of transport of the object to be str...
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WO/2001/070424A2 |
A bend die assembly (10) retrofits compressible flanges (12) to permit the flanges to be reinstalled around tubes to form a sealing contact. The bend die assembly includes a base (120) and a bend die (32). The base includes a first body ...
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WO/2001/060540A1 |
A method and an apparatus for reducing embedded or inherent torsional strains in reinforcement steel (2) by guiding the reinforcement steel (2) between at least one set of two rows with straightening means. There are at least two straigh...
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WO/2001/024953A1 |
The invention relates to a straightening machine for straightening an elongated body, especially a pipe, a compound pipe or a rod. The inventive machine comprises a machine frame (2, 3) and, disposed therein, a number of radially adjusta...
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WO2000016926A9 |
A method and apparatus for reshaping a container body (generally at 688) (e.g., a metal, drawn and ironed container body) utilizing a floating mechanism (716) for imparting an axial load is disclosed. In one embodiment, a container may h...
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WO/2001/008830A1 |
A coining die apparatus (10) for reshaping the backing plates (72) of spent rotary drum brake cores (11) in the production of remanufactured brake shoes comprises a lower die (30) having a concave working surface (35) configured to suppo...
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WO/2001/005533A1 |
An apparatus (100) for straightening a U-shaped leaf spring (106, 106', 124) wherein the spring (106, 106', 124) includes a curved section (124) having a concave (128) and a convex side (126) and a pair of elongated legs (106, 106'). The...
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WO/1999/046066A1 |
In a process for straightening wire, a wire (1) coming from a first reel (2) is drawn through a straightening unit (3) with straightening rolls. The straightening unit (3) rotates about a first axis (A-A) which is defined by the longitud...
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WO/1999/038637A1 |
A multiple bar straightening and cutting system in bar steel rolling line, comprising a multiple bar straightening device, an input side guide pinch roller, a multiple running bar cutting device, and a rear tilting table having an output...
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WO/1999/036201A1 |
Disclosed is a preferred embodiment of straightening apparatus (100) featuring a pair of adjacent rotary block members (8 and 8') having channels (30 and 30') respectively disposed therein for receiving spaced-apart legs (6 and 6') of a ...
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WO/1999/015929A1 |
The invention relates to a device and method for regulating the compressing of metal tubing (20) having inner-lying beam wave guides (8) by means of a roll straightening passage (10a, 10b) comprising a feeding device (36, 36') of the rol...
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WO/1999/000606A1 |
The invention relates to a method for adjusting the fingers of a diaphragm spring.
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WO/1998/037992A1 |
The subject of the invention is a method for forming sheet metal strip, such as roofing sheets, in which the sheet strip (1) is moved forward and formed into undulated metal sheets by means of machine tools (2). The tooling (2) used in t...
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WO/1998/037994A1 |
The invention relates to apparatus for introducing tubes, bars, rods and similar bodies into machines in which they are processed as a result of a rotational/translational movement relative to their axes. The apparatus comprises a feed d...
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WO/1998/032552A1 |
In the machine described for straightening tubes and rod-shaped bodies in general, at least one of the working rollers (7, 8) has a hydraulic cylinder-piston unit (25) for adjusting its position relative to a straightening axis (L). Adva...
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WO/1998/028098A1 |
The invention relates to a method for the automatic conducting of a straightening process for an object that is to be straightened, such as sheet metal, strips, sections, pipes, and in particular for wire-like or multiwire-like objects t...
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WO/1998/012005A1 |
A wire straightening device (62) is disclosed for use on a wire processing machine (60). The device includes two wire deflection units (72, 74) arranged to deflect the wire in two perpendicular planes to remove stresses in the wire. Each...
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WO/1998/011261A1 |
An apparatus (20) for induction heat treating, restraint quenching, and straightening an associated carbon steel truck structural member (30), having a web (32) and at least one flange (34) substantially perpendicular thereto, comprises ...
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WO/1997/027013A2 |
The invention concerns a process for producing pipes, particularly large pipes using the UOE-process, in which the pipes are calibrated stepwise up to half a pipe length using cold expansion after inside and outside welding. At the same ...
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WO/1997/012701A1 |
A method for efficiently correcting the bend and flexure of a U-shaped steel sheet pile, especially having an arm. To eliminate the bend of such a steel sheet pile, the outer side of one flange of the steel sheet pile and the inner side ...
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WO/1997/000740A1 |
A process and device are disclosed for straightening metal parts, in particular sheet metal, sections and/or constructions made of sheet metal or sections. The flame of an indirect plasma arc is brought into contact with the surface of t...
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WO/1996/036446A1 |
A portable pneumatic rebar bending device (11) has a base portion (13), a pivoting portion (15), and a pneumatic cylinder (17) connecting and operable to pivot the pivoting portion (15) with respect to the base portion (13). The axis of ...
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WO/1996/019305A1 |
A method for manufacturing a cold rolled steel plate used for enamel applications such as tableware, construction panel, external plate material of microwave oven and gas range, and bathtub, in which an excellent enamel adherence between...
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WO/1995/026238A1 |
A device is described for straightening the plane of an elongated profile to restore its linearity in the longitudinal direction, through mechanical machining of the plane in question for evening mechanical tensions, which cause deviatio...
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WO/1994/012293A1 |
The invention relates to a process and a linear shaping machine for truing rolled, forged and/or extruded rod-like material. In order to shape the material plastically over its entire cross-section as uniformly as possible so that only m...
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WO/1994/005439A1 |
Adjustable re-usable ceramic (eg. PSZ) inserts (5) for rubbing dies in wire or roll straightening machines are mounted in medium tensile steel holders (40). Each holder (40) has a bore (44) machined to a very smooth finish and each die i...
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WO/1994/005441A1 |
This is the method to make straight the metal barrel of the weapon. In this method the barrel is turned elastic blow, which makes the crystal construction of the metal barrel to vibrate so, that this vibration will eliminate tensions, wh...
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WO/1993/023184A1 |
A bending and straightening machine (100) for elongated workpieces (20) such as camshafts, pinion shafts and the like has one or several straightening dies (14) which subject the workpiece (20) to a bending strain between straightening s...
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WO/1993/013892A1 |
The invention refers to a method for straightening wire of circular cross-section, which is characterised by the progress of wire through successive circular holes, created either on solid bodies (e.g. plates) (Figures 1a and 1b) or by p...
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WO/1993/001011A1 |
The method proposed for finish bending three-dimensionally bent workpieces, in particular metal sections, calls for an automatic finish bending station to be located at the output of a bending machine in which the workpieces are bent in ...
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WO/1991/017003A1 |
The invention relates to a roller straightener, usable particularly for straightening reinforcing steels. The straightener comprises, in combination, a plurality of plates (B, C) capable of being displaced while remaining perpendicular t...
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WO/1991/014522A1 |
A device for straightening a rigid wire delivered in coil form for supplying a metal-working machine is compact and easy to control. The wire is stationary in an axial conduit of a rotor supported on a carriage (B) which is moved axially...
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WO/1991/002605A1 |
A method for stretch shaping an elongated metallic extrusion (10) is disclosed comprising the steps of applying axial tension to an elongated metallic extrusion (10) in an amount sufficient to equal or exceed the yield strength of the ex...
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WO/1990/013373A1 |
A straightening press of the type wherein a workpiece (15) is supported for deflection in a given direction by an anvil (16) engageable with the workpiece (15). A reference spring (23) is supported for deflection with the reference sprin...
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WO/1989/010806A1 |
A method for correction shape deviations in hard, hardened objects in which the objects are heated to a temperature which lies beneath the temperature at which the structure imparted to the objects during a preceding heating process (e.g...
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WO/1989/001414A1 |
A process for making metal inking rolls, particularly for flexographic printing, comprises: at least the selection of an ammonia hardenable material, particularly stainless, to provide the roll structure, the selection of a structure whe...
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WO/1986/003699A1 |
A guiding device (1) for supplying bars is arranged upstream of a straightener (32, 33) with inclined rollers. The guiding device (1) has a passage opening (52) through which the bar (2, 55) is radially guided. The opening (52) is delimi...
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WO/1986/002294A1 |
A cross-roll straightener adapted to straighten round metal stock, wire, rods, bars and tubes by rotatingly advancing the stock through a central curved pass such that it is flexed beyond the yield point in a substantially uniform and gr...
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