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WO/2012/028297A1 |
The invention relates to a gripper head for gripping arrangements for manipulating a long workpiece (W) in a horizontal arrangement, in particular at the end regions thereof. In order to simplify manipulation, in particular feeding and r...
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WO/2012/016998A1 |
The method for correcting the effect of twist stresses in metal rods provides for feeding a first rod (2) of a couple of metal rods (2) through at least a first correction wheel (11) provided with a grooved portion (11a), suitably shaped...
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WO/2012/015602A1 |
A method for straightening a solution treated and aged (STA) titanium alloy form includes heating an STA titanium alloy form to a straightening temperature of at least 25°F below the age hardening temperature, and applying an elongation...
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WO/2012/006649A1 |
An apparatus for smoothing and/or contouring a metallic casing (17) of a cable (1) which is pulled off from a drum (2) has at least three rollers (9, 10, 11, 12), the circumferential surface (20) of which has a radius in cross section, w...
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WO/2012/001882A1 |
Disclosed is a heat transfer tube for a steam generator, wherein the surface roughness of the inner surface of a tube is measured in the longitudinal direction, and the dimensional variability in the measured roughness curve at a 50 mm r...
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WO/2011/151995A1 |
An element tube (an element tube for a seamless steel tube) to which straightening by a straightener is applied after heat-transferred and tube-made, and which is then submitted to cold working, wherein, during the straightening by the s...
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WO/2011/148288A2 |
A technique enables extending the useful life of tubing deployed in a wellbore. The technique involves routing a damaged or distorted tubing through a straightening device. The tubing straightening device bends and counter bends the tubi...
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WO/2011/121944A1 |
Disclosed is a method for straightening a pipe by using, as a straightening roll for a straightener, an asymmetric roll with right and left roll shoulder portions which have different maximum roll diameters of D1 (exit side) and D2 (inle...
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WO/2011/101763A2 |
The method for straightening iron rods and the like provides for subjecting the rod (2) to be straightened to the action of folder means (4) suitable to act in a discrete manner at a plurality of transverse sections (9), suitably spaced ...
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WO/2011/073757A1 |
A composite roller comprising at least one insert (11) made of sintered material, characterized in that the insert (11) is surrounded at least partially by a copper alloy support comprising: Cu, Fe, Ni, A1, Zn.
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WO/2011/039197A1 |
The invention relates to a method for repairing a compressor blade (2) of a turbine engine, said blade comprising a cat's tongue (5) at the radial end thereof (4), the radial extension of which is less than a predefined nominal radial ex...
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WO/2011/036352A1 |
The invention relates to a hot-rolled, or hot-rolled and annealed, metal sheet which is made of ferritic stainless steel manufactured by a method including at least two asymmetrical hot-rolling steps, the steel including, by weight perce...
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WO/2011/011893A1 |
A tool assembly for forming a workpiece into a housing with a non-round design outer profile at least partially defined by an outer surface at a design position reduced from the initial position thereof. The tool assembly includes a ring...
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WO/2010/139096A1 |
A correction method for a single tube of a row tube array (4) includes these steps: first, according to a model, a row tube array (4) one end of which is fixed, is put on a platform, next, a lower U-beam (3) is inserted below the row tub...
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WO/2010/061745A1 |
Provided is a device for correcting the pipe-end shape, the device being capable of improving roundness without reducing working efficiency and causing mechanical damages to welded portions even when the pipe ends of UOE metallic pipes w...
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WO/2010/044009A1 |
The apparatus for straightening metal profiles and the like comprises a rotor unit (2) suitable to be driven in rotation about a longitudinal axis (A) and a plurality of straightening members (4) housed inside the rotor unit (2) and suit...
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WO/2010/044050A1 |
The apparatus for straightening metal profiles and the like comprises at least a rotor unit (2) suitable to be driven in rotation about a longitudinal axis (A) and a plurality of straightening bodies (4) with eccentric rollers, housed in...
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WO/2010/029166A1 |
Device for measuring and correcting a parallelism error of the upper plug end of a nuclear fuel rod (6), comprising means (20) for measuring a parallelism error and means (22) for correcting said error and means for positioning said devi...
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WO/2009/146838A1 |
The invention relates to a method for producing a steel tube, wherein a steel sheet (4) is formed into tubular body (1.2) having a round cross section in a bending process (a), welded in a subsequent welding process (b) along the longitu...
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WO/2009/111509A2 |
A coil processor is provided for performing processing operations on coiled sheet-like material, such as sheet metal, plastics or other materials. The coil processor uncoils and straightens the material before performing desired operatio...
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WO/2009/005721A1 |
A system and method for reconfiguring a turbine vane (12). In at least one embodiment, the system may be used to straighten an airfoil (14) of a turbine vane (12) segment to remove lean, twist, or racking, or any combination thereof. The...
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WO/2009/004741A1 |
A seamless steel pipe for oil well pipes which combines a high yield strength of a 110-ksi class with excellent low-temperature toughness; and a process for producing the seamless steel pipe. A stainless-steel seamless pipe having a comp...
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WO/2008/148636A1 |
A method for performing repair to a length of water-wall tubing (15) calls for aligning a substitution sleeve (30) in the length, welding an upper internal portion (40) and a lower internal portion of the sleeve to the water-wall tubing ...
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WO/2008/148241A1 |
The present invention provides a press-bending machine including a frame (1), a slide block (3) arranged in the frame (1), a guide mechanism provided between the frame (1) and the slide block (3), and a pneumatic-hydraulic cylinder (4) a...
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WO/2008/145355A1 |
The present invention relates to a straightening machine (1) having a straightening roller rapid-change system, having an upper and a lower housing (7, 3) for receiving a plurality of upper and lower straightening rollers (9, 11), all or...
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WO/2008/092563A1 |
The invention relates to a method for producing flat tubes from at least one strip of a continuous web material (Bb) comprising at least one wall part (a) and an undulating inner part (c), on a rolling mill that is equipped with roller p...
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WO/2008/087929A1 |
When correcting a 2-phase stainless pipe by a multi-stage roll type pipe correction device, the A value defined by expression (1) given below is adjusted to be 2.0% or below if no mechanical intensity improvement is required and the valu...
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WO/2008/077537A1 |
The invention relates to a multi-nozzle burner (100), which is to say a flame straightening burner, comprising at least two nozzles (10, 20). In order to eliminate deformations that occur, for example, when applying a weld seam, the nozz...
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WO/2008/054221A1 |
Apparatus for aligning anode studs (15 -18) for electrolyses furnaces, including for the aluminium industry, for reuse of anode studs being bent due to multiple heating and cooling. The apparatus comprises gripping means (36, 37) for gri...
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WO/2008/025814A1 |
A flexible straightening system capable of inclining the upper mobile rollers (1) with respect to the fixed lower rollers (1') by means of the independent control of two capsules or hydraulic cylinders (4) connected to corresponding incl...
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WO/2008/018022A2 |
Apparatus for restoring the centering of tire rims, comprising: a rod (2) which can be inserted into the centring hole (11) for engaging a rim (10) with the hub of a motor vehicle and provided with means (202, 212, 102, 112) for locking,...
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WO/2007/137762A1 |
The invention relates to a method of machining the bearing seats of main and rod bearings (HL, PL) of crankshafts (1), in which the bearing seats (30) of the main and rod bearings (HL, PL), after the primary forming of the crankshaft (1)...
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WO/2007/119817A1 |
When a pipe is corrected by using a roll correction machine provided with drum type correction rolls arranged oppositely in the vertical direction, at least the outer layer portions of at least three pairs of correction rolls on the outp...
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WO/2007/114176A1 |
A metal tube end correcting apparatus comprises a plug (3) for enlarging the end of a metal tube (1), a chuck (2) for fixing the metal tube (1), and a movement means for moving the position of the plug (3) and/or the chuck (2). The plug ...
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WO/2007/095843A1 |
A flexible three-dimensional work-piece forming equipment includes a machine frame, at least two work rollers, a driving roller mechanism and an adjusting mechanism. The work rollers, the driving roller mechanism and the adjusting mechan...
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WO/2007/052361A1 |
A straightener enabling the easy adjustment of correcting rolls and a reduction in setup time and cycle time. The fixed side correcting roll (11) and a movable side correcting roll (13) are disposed parallel with each other in a device b...
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WO/2007/049526A1 |
The forming recesses (1, 3) of a lower die (2) and an upper die (4) are formed to have a semi-oval profile so as to provide a forming space S almost oval in section with the dies closed. The parting line L between the lower die (2) and t...
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WO/2007/015859A2 |
A method is disclosed for rounding and/or flattening an annular part that is out of round and/or not flat due to non-uniform internal stresses. The part is first checked for out of round and/or out of flat conditions. Out of round parts ...
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WO/2006/106834A1 |
Automatic control method of a roll type pipe correction machine producing a stabilized correction effect. At the time of correcting a pipe by crushing it by means of a straightener equipped with three or more stands each having a pair of...
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WO/2006/094779A2 |
The invention relates to a device and method for the non-cutting dressing of vehicle rims (18) for cars, motor lorries and motorcycles. Said invention makes it possible to industrially repair deformations, even difficult, on said rims (1...
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WO/2006/003728A1 |
A straightener in which the shape of guide bar facings is simplified and the guide bar facings are effectively used. In the straightener, a clearance (S) opening in a direction orthogonal to a line connecting the axes of straightening ro...
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WO/2005/101223A2 |
An apparatus and method for straightening propeller drive shafts (410) without the need for removing the shaft from the lower unit/drive assembly is disclosed. In an embodiment of the present invention, a mechanical linkage (100) is prov...
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WO/2005/075121A1 |
A cold-finished seamless steel pipe, wherein residual stress produced by correction working after cold-working is controlled to a residual stress F measured by a Crampton method of at least 30 MPa with its variation kept at up to 30 MPa....
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WO/2005/060518A2 |
A method of producing steel with reduced internal stress concentrations is disclosed. In an embodiment, hot steel is shaped by a rolling mill. The resultant steel product (200) is bundled as soon as practicable and the bundle (200) is al...
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WO/2005/000495A1 |
The invention relates to a method for leveling profiles (5). When the hot-rolled profiles are cooled off, they deform considerably. Therefore, the profiles are not leveled while they are hot but are first cooled off. The inventive method...
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WO/2004/112978A1 |
Apparatus for reducing the diameter, rounding or straightening of pipe or tubing by rolling comprising a plurality of closely and equallyspaced, long, narrow, parallel-cylindrical rollers arranged in a parallelcylindrical array throu...
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WO/2004/091825A1 |
A curved titanium or titanium alloy wire rod is hot-corrected to provided a straight rod under the conditions where the correction temperature T and the correction elongation &epsiv satisfy formula (1) or (2). To produce straight rods fo...
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WO/2004/025214A1 |
A method of measuring the shape of a tube body, comprising the steps of allowing a pair of reference parts (20, 20) to abut on the inner peripheral surface (11) of the tube body (10) near both side end parts, rotating the tube body (10) ...
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WO/2004/024360A1 |
A device for checking and regulating tubeless wire wheels is described, characterized in comprising a supporting framework or bed for a turning and tipping centrally drilled table, on which a wheel's rim center line positioning flange of...
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WO/2003/097270A1 |
Disclosed is a device for delivering rotating bars or pipes into a processing machine, particularly a straightening machine, comprising means forming a feeding duct. Said means forming the feeding duct are configured as four four-cornere...
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