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WO/2013/064882 |
Method for rolling a product to be rolled to obtain a U-shaped section bar (25) and with at least two lateral segments (26), connected to each other by an intermediate segment (27). The method comprises at least a first rolling step in w...
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WO/2013/037725 |
Device to correct the shape of a bent metal bar (B) which is provided with at least a substantially rectilinear first segment (16), a substantially straight second segment (17) which is opposite the first segment (16), separated from it ...
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WO/2013/031879 |
Provided is a method for fabricating a welded steel pipe having excellent buckling resistance properties. The method for fabricating a welded steel pipe according to this embodiment has a step for preparing a bare welded pipe and a step ...
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WO/2013/008081 |
Straightening device for long or rod-shaped metal products (18), comprising an upper roll unit (12) and a lower roll unit (14), wherein the upper roll unit (12) is mobile and can be positioned vertically at least in the step where a pass...
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WO/2012/153129 |
A pipe straightening apparatus comprising a first set of rotatably mounted elements which define, at least in part, a first passageway through which a pipe can be constrained to pass, so as to straighten the pipe, wherein the first set o...
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WO/2012/137924 |
This pipe material correction apparatus comprises: a ring-shaped casing, which is disposed at the periphery of a pipe material with the inner peripheral surface thereof, which is formed in a circular shape, made to face the outer periphe...
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WO/2012/111291 |
A method for straightening a steel material, the method comprising using superhard straightening rolls, the material of which is a tungsten carbide-cobalt (WC-Co)-based sintered object (superhard alloy). The method for straightening is c...
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WO/2012/111307 |
A method for correcting the inner diameter of a pipe end of a seamless pipe formed from high-CR stainless steel containing 8 to 35 mass% of CR and 0.1 to 10 mass% of Ni comprises: a pipe end correction step with which the pipe end part o...
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WO/2012/110340 |
In a method for straightening elongate material (105) in an automated straightening process, in particular for straightening wire or tube material, the material (105) is conveyed from a material stock through a straightening unit (120) w...
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WO/2012/100738 |
A steel reinforcing bar (rebar) straightener having stretching capabilities and lower driving mixed pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretching mechanism in the...
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WO/2012/100735 |
A steel reinforcing bar (rebar) straightening method and straightener having stretching capabilities and fully-driven pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretchin...
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WO/2012/100737 |
Steel reinforcing bar (rebar) straightening method and straightener having stretching capabilities and pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretching mechanism in ...
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WO/2012/099857 |
An apparatus and method for straightening an article are disclosed. The apparatus and method disclosed provide for the conservation of metal, reduction waste worldwide, and the extension of the useful life for an article. The apparatus m...
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WO/2012/092920 |
The invention relates to a method for the roller-straightening of crankshafts (8, 8') with the aid of fixed rolling tools (1 to 7), in particular fixed rolling rollers (18, 19), which, while the crankshaft (8, 8') is being turned about i...
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WO/2012/028296 |
The invention relates to a device for feeding long workpieces (W) into and removing same from a processing machine, such as a bending-straightening machine, in which the long workpiece (W) located in the processing positions defines a pr...
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WO/2012/028297 |
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/2012/016998 |
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/2012/015602 |
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/2012/006649 |
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/2012/001882 |
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/2011/151995 |
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/2011/148288 |
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/2011/148288 |
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/2011/121944 |
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/2011/101763 |
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/2011/101763 |
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/2011/073757 |
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/2011/039197 |
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/2011/036352 |
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/2011/023167 |
The invention relates to a method for producing hot-rolled hollow profiled elements (1) made from steel and having a rectangular or square cross-section, a substantially circular pipe blank produced seamlessly by hot rolling or cold-roll...
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WO/2011/011893 |
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/2010/139096 |
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/2010/061745 |
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/2010/044050 |
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/2010/044009 |
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/2010/029166 |
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/2010/023563 |
A production line for lift guides comprises a plurality of work stations among which a sandblasting station with burring or trimming of the guide, a drawing station, a roller straightening station, a cutting station, a twisting station a...
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WO/2010/004037 |
The invention relates to a method for aligning parts (11) in a roller straightening machine, comprising an upper and a lower roller frame where the upper and lower straightening rollers are each arranged in a straightening roller block a...
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WO/2009/146838 |
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/2009/146838 |
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/2009/111509 |
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/2009/004741 |
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/2009/005721 |
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/2008/148636 |
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/2008/148241 |
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/2008/145355 |
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/2008/145355 |
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/2008/092563 |
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/2008/087929 |
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/2008/077537 |
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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