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WO/2012/129345 |
In a crossbow-style tube bender, a curved bending mandrel having a channel into which the tube in bent to form the bent tubing length has at least one relief surface forming a localized recess or depression in the surface of the channel....
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WO/2012/120989 |
Provided are a method for forming sheet material, a sheet material forming apparatus, a method for determining forming conditions for the sheet material forming apparatus, and a device for determining forming conditions for the sheet mat...
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WO/2012/096392 |
A bending tool includes a fine uneven portion with fine asperities having a maximum surface roughness of 3 m or more and 25 m or less on at least part of a portion that is in contact with a titanium member, and a fluorine resin film form...
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WO/2011/160224 |
The invention relates to a pallet made up of plural hollow sections of generally rectangular transverse profile formed from metal tubes, the sections having upper walls facing in the same direction and being secured together in side-by-s...
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WO/2011/153634 |
A system for forming bends in a portion of a tubular work piece includes a roller assembly having a plurality of rollers. The work piece is supported such that the portion thereof is aligned with the rollers along an axial direction, and...
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WO/2011/153634 |
A system for forming bends in a portion of a tubular work piece includes a roller assembly having a plurality of rollers. The work piece is supported such that the portion thereof is aligned with the rollers along an axial direction, and...
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WO/2011/139742 |
A pipe bending machine has a beam mounted in see-saw pivotal relation on a fulcrum and spaced apart cradles support the pipe. An actuator initially drives the second cradle and the beam apart to pivot the pipe about the first cradle unti...
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WO/2011/061599 |
Machine to bend tubular elements (1 1) comprising bending means (12) provided with a bending arm (17) and a bend core (16) disposed, when in use, inside said tubular element (11). The bend core (16) comprises a support bar (19), a contra...
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WO/2011/049432 |
A method and a device for producing a bent pipe comprising at least one desired curvature, wherein a substantially straight pipe is divided into a number of segments and zones present between two successive segments. Each segment is prov...
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WO/2011/029594 |
The invention relates to a bending machine for bending elongate workpieces, in particular tubes and profiles, comprising a machine frame (20) having a feed device (30) and a mandrel retraction device (40) that are guided thereon in a lon...
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WO/2010/105341 |
A method of manufacturing a hollow structural frame rail includes rotating a tube relative to a tool to reduce an outside diameter of the tube at predetermined positions along the length of the tube. An elastomeric insert is positioned w...
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WO/2010/050059 |
This bent member manufacturing method uses a core at the time of bending a hollow section and can set an applicable bending radius or bending center axis over a wide range. A core (41) is inserted into the hollow portion of a hollow sect...
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WO/2010/025883 |
The invention relates to a method and a device for bending pipes (3) over a mandrel (6), in particular pipes having thin walls, on a rotary draw bending tool (1), which comprises a bending template (2), a slide rail (4) which is arranged...
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WO/2010/025883 |
The invention relates to a method and a device for bending pipes (3) over a mandrel (6), in particular pipes having thin walls, on a rotary draw bending tool (1), which comprises a bending template (2), a slide rail (4) which is arranged...
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WO/2010/017336 |
An improved bending apparatus for bending a radiused corner at a window in a brazed heat exchanger core where no tubes and fins are located. A cylindrical mandrel and sliding pressure die are designed to completely surround the manifold ...
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WO/2009/135796 |
The invention relates to a supporting core (1) for using in a device for shaping plates to form a structured hollow profiled element comprising a plurality of interconnected supporting members (2), and to a method for producing structure...
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WO/2009/095174 |
A process for the three-dimensional bending of round tubes and/or profiles using the free-form bending process (also referred to as the multi-roll bending process), in which the rear end of the profile to be bent is held, if appropriate ...
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WO/2009/072918 |
Machine for bending aluminum and PVC profiles, according to the invention consists from a stand (10) with a vertically set motor reducer (7), and a horizontaly set motor reducer (21) and with at least two fans (11) for hot air directed t...
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WO/2009/051943 |
A cutoff unit for cutting a variably swept continuous beam extending from a roll forming mill includes a pickup subassembly for tracking a shape of the continuous beam, and a cutoff subassembly that engages and supports sides of the cont...
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WO/2009/051943 |
A cutoff unit for cutting a variably swept continuous beam extending from a roll forming mill includes a pickup subassembly for tracking a shape of the continuous beam, and a cutoff subassembly that engages and supports sides of the cont...
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WO/2009/043500 |
The invention relates to a method and device for forming a bar stock (1), wherein the bar stock (1) with a first diameter (3) is supplied first to a forming tool (2) circulating in the circumferential direction of the bar stock (1). Ther...
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WO/2009/040859 |
A pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses, comprises an extractor (2) which is fixed in a rear portion of the pipe bending machine, and mandrel rod (13...
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WO/2009/040859 |
A pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses, comprises an extractor (2) which is fixed in a rear portion of the pipe bending machine, and mandrel rod (13...
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WO/2009/036871 |
The invention relates to an apparatus for bending profiles (4) with axle-free mini-roll rolling bodies (30, 31, 32, 60, 61, 70, 71), wherein rollers (13, 27, 29) which form a plurality of roller stations (11, 15, 16, 17) in a roller bend...
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WO/2008/144237 |
A bending apparatus consisting of a rocker rotating in a hybrid constructed saddle. The saddle is preferably made of a steel casing with a low friction liner disposed therein.
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WO/2008/096449 |
Bending processing of pipe (P) is carried out by holding the pipe (P) having mandrel (19) inserted therein between bending die (17) and pressing die (18). Lubricating oil is applied onto the outer circumferential surface of the pipe (P) ...
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WO/2008/098186 |
The pressures provided by several wheels or rollers (18, 20, 22, 24, 30, 32) on various members of a metal panel are controlled to produce a curved panel of desired radius with little or no distortion. Predetermined pressures are used to...
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WO/2008/093818 |
A bending method of pipe material which can positively prevent occurrence of cracking or creasing at the bend, or the like. Core bars (5) each having a protrusion of a quarter of sphere at the distal end are inserted into a pipe material...
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WO/2008/074698 |
The invention relates to a device for bending a metallic pipe by winding on a shape roller (1), comprising a mandrel adapted to be introduced in the pipe and a spreader (9) for avoiding the formation of folds on the lower surface of the ...
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WO/2008/061762 |
The invention relates to a device for clamping hollow profiles, for example for the purposes of bending, wherein a support mandrel is arranged on the end of a retainer bar within the hollow profile with a mounting rod for a support core ...
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WO/2008/061762 |
The invention relates to a device for clamping hollow profiles, for example for the purposes of bending, wherein a support mandrel is arranged on the end of a retainer bar within the hollow profile with a mounting rod for a support core ...
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WO/2008/025884 |
The invention relates to a tool for bending a pipe (6), which tool includes an operating device (16), a guide (14) and a moving slide (15) therein, two opposing dies (12, 13), installed on a different plane relative to the slide, one (13...
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WO/2008/003674 |
The invention relates to a device for bulge bending a hollow profile (6) made from metal, in particular from steel or a steel alloy, with two bending arms (2, 3) turning about a bending axis arranged on a bending plane (4) for holding th...
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WO/2007/048893 |
The invention concerns a machine for cambering, forming, folding or bending a bar, a wire or an extruded shape comprising a bending form (7, 21) provided with a clamping system, with a device for orienting the tube (1) and a bending jaw ...
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WO/2007/018499 |
An apparatus and method are provided for forming a shaped part from a tube (14) having an end and at least one bend, the shaped part having an enlarger portion between the bend and the end. The shaped part is formed by applying pressure ...
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WO/2006/132820 |
A hand-held, battery-powered, hydraulically-actuated tool including a frame forming a tool longitudinal axis; a battery offset from the tool longitudinal axis; and located along the tool longitudinal axis a motor connected to the battery...
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WO/2006/116418 |
A tool (20) and method for installing collapsible inserts. The tool (20) includes a stabilizing handle (26) which is threaded onto a tool body (24). The tool body (24) is threaded onto a tool shaft (22). In use, a collapsible insert (34)...
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WO/2006/071490 |
A reconfigurable tool and/or die (12,14) geometry and methods of use generally comprise forming at least a portion of a shape defining surface (18,20) with a shape memory material. In response to an activation signal, the shape memory ma...
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WO/2006/067493 |
A method for shaping partially enclosed structures such as pipes, the method comprising: filling the structure with ERF, applying an electrical field to the ERF to increase its viscosity, shaping the structure, removing the field and rem...
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WO/2005/110637 |
A method for manufacturing a multi-walled pipe by inserting a second pipe (2) into a first pipe (1), bending the second pipe and expanding the first pipe into contact with the second pipe. The invention further relates to pipe bundles fo...
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WO/2005/108931 |
In order to produce a measuring tube, a solid shaped body (2), which is comprised of a first filling material (21) and of a second filling material (22) incorporated therein, and which stabilizes the cross-section of the discharge tube (...
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WO/2005/084857 |
An apparatus comprises a rotating member (2) having one or more rollers (10). The one or more rollers have a plurality of protuberances (12). The rollers may be advanced toward a surface (6) during rotation of the rotating member, such a...
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WO/2005/070581 |
Disclosed is a method for hot flow forming and bending closed, half-open, and open profiled members. Said method uses a bending machine comprising at least two rollers (17, 18) which are disposed across from each other in the feeding dir...
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WO/2005/061142 |
The invention relates to a method for producing a bent double-walled component (10), especially a double-walled pipe, comprising an inner pipe (11) and an outer pipe (12). The inner pipe is at a distance (d) from the outer pipe, creating...
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WO/2005/023448 |
A device and a method for bending a pipe material, wherein when an outer pipe (Po) is bent, the shape of the groove (m) of a pressing die (6) disposed immediately before a part to be bent which is positioned far from the part to be bent ...
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WO/2005/014195 |
The invention relates to a method and a device for bending and reshaping profiles by means of roller bending or matrix bending, the profile (20) that is to be bent or reshaped being bent or reshaped under the influence of one or several ...
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WO/2004/105975 |
A material tube (30) is bent at plural positions in its intermediate portion with both ends of the tube (30) tightly sealed with sealers (31, 32) and liquid filled in the tube (30). Pressure in the material tube (30) can be increased and...
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WO/2004/103600 |
A method and an apparatus for manufacturing a multiple tube capable of providing the tube having a bent part with excellent appearance at low cost and preventing an inner tube or an outer tube from being deformed at the bent part at whic...
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WO/2004/062836 |
The present invention discloses a hydroforming process for metal parts that uses liquid-film and solid-film lubricants. The lubricants used in the invention are particularly useful for die-side lubrication. The process includes a step in...
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WO/2004/035241 |
The invention relates to a device for free three-dimensional profile forming, said profile having any overall dimensions but remaining constant with respect to the length thereon, especially for hollow profile. The inventive three-dimens...
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