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WO/2002/005982A1 |
A machine for bending sections (2) having a longitudinal axis (3) and a constant cross section along the longitudinal axis (3) feeds the sections (2) longitudinally in a first direction (D1), and has a first and a second annular die (11,...
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WO/2001/091936A1 |
An automated bar bending system with a bar bending unit for bending bars to a predetermined angle, an in-feeding system for receiving pre-cut bars for transferring one or more bars to the bar bending system, and an unloading system for u...
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WO/2001/083130A1 |
The invention relates to a bending device for thin-walled metal pipes (R), comprising a straight pipe guiding device (1), and a contiguous core template (2) that can be swiveled with respect to the pipe guiding device (1) and that compri...
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WO/2001/074508A1 |
The invention relates to a method for curving a longitudinal metal sheet having a substantially flat portion with two opposite flanges along its sides. According to the method, both flanges are pressurised at spots that are symmetrically...
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WO/2001/070425A1 |
The invention concerns a machine for high rate serial bending of a tube, comprising a bending head (1) provided with a radius block (3) and a backing block (4) including at the periphery a groove with semicircular cross-section and means...
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WO/2001/070426A2 |
The invention relates to the use of pipes consisting of titanium zinc conforming to EN 988 and to a method for bending pipes with a diameter of between 50 and 200 mm and an initial thickness of between 0.65 and 1.2 mm that consist of tit...
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WO/2001/064366A1 |
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 wi...
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WO/2001/062408A1 |
The invention relates to a bending device (1) for bending plastically deformable strip material (15). According to the invention, the reverse bending that is required for workpieces with narrow processing tolerances in particular takes p...
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WO/2001/062411A1 |
The invention concerns a wire bending device comprising a bending head (3) bearing two bending tools (30, 31) between which the wire to be bent (2) is passed, each of the tools being capable of being driven in rotation concentrically aro...
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WO/2001/051228A2 |
A method and apparatus produces a roll formed bumper member comprising of a metal material. A strip bumper structure (40) is fed into a forming assembly (10) along a line level. The bumper structure has the predetermined transverse cross...
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WO/2001/038018A1 |
The invention relates to a bending device for the profile bending of elongated profiles, comprising at least one supporting roll, located at the intake end of the device, which lies against one side of the profile to be bent. At least on...
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WO/2001/036121A2 |
The invention relates to a method for forming an initial profile (10, 10x, 15, 16) or a tool of the kind that is provided with a profile chamber, by means of inner high pressure in such a way that an end profile is formed, whereby said p...
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WO/2001/008831A1 |
A rotator (20) is disclosed for precisely rotating a horizontally disposed, cylindrical workpiece (18) comprising first and second workpiece rotator members (70, 72) which are vertically disposed and horizontally spaced-apart. Each of th...
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WO/2001/005532A1 |
Disclosed is an apparatus for bending a cutting blade material including fixing members, a column having a slit into which a cutting blade material is inserted and fixed to the fixing members, bending members turned about the column's ce...
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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/2000/074871A1 |
The invention relates to a method for producing pipe bends from straight, spirally welded pipes. Said pipes are produced from steel band rolls that are welded together by a double-sided butt seam consisting of a filler material. The weld...
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WO/2000/071973A1 |
A compact guide (1) for introducing multiple bends in at least one plane in a pipe (14), conduit, or other tube-like item. The guide (1) has a gauge section (2) rotatably attached to a mounting section (3) and is affixable by means of a ...
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WO/2000/071276A1 |
The present invention regards methods of projecting, producing and bending continuous stretches of circular cylindrical bodies, such as stretches of piping, handrails and rails for stair lifts. The invention also regards a tool for use w...
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WO/2000/069581A1 |
A wire bending machine and a bending method capable of providing a high-precision working independently of a level of the rigidity of a material. With a wire (21) held by a bending die (13), a clamp (11) and a presser (12), a shifting in...
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WO/2000/066289A1 |
A machine for bending pipes (2; 63; 78) sections or similar of a given section (S1; S2; S3) has a guide device (6) having a longitudinal axis (9) for guiding the pipes (2; 63; 78) in a feed direction (D1) parallel to the axis (9); and a ...
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WO/2000/061313A1 |
An apparatus for folding a cutting blade that comprises a frame (10) comprising a first supporting plate (11) connected to a first guide support (20a) having a groove (21a), and a second supporting plate (12) connected to a second guide ...
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WO/2000/047345A1 |
A method and pipe-bending tool for manufacturing a pipe-offset for a connector (8) at the end of a pipe (6), needed in the extension of the connector of the pipe (6) of a pipe layer (5) installed on a surface (W) in which said pipe-offse...
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WO/2000/047409A1 |
A laminated material relatively large in thickness and having a curved surface of small radius, wherein a laminated material (170) as a raw material is provided in which surface plates (181, 182) are fixed to both surfaces of a core mate...
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WO/2000/043143A1 |
A bending method for pipe material using a conventional device such as press device, wherein, in order to prevent wall thinning and cracks, one side of a cylindrical pipe material (1) is firmly held by a first clamp (2) with the other si...
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WO/2000/041825A1 |
The bending procedure calls for a restraining force to be exerted on the profiled metal element (10) in a direction substantially orthogonal to that of the forces causing the bend, at the same time as the said forces are being exerted, i...
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WO/2000/021697A1 |
According to the inventive method for bending pipes (16) between a clamping piece (10) and a bending plate (13), which both rotate about a neutral axis (11), the pipe (16) should be deformed before and/or during the bending process.
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WO/2000/018527A1 |
The invention relates to a pressure pad for a bending machine (10), notably a pipe bending machine, in the form of a sliding rail (12) which undergoes a linear displacement during the bending process and comprises several mountings (20, ...
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WO/2000/016922A1 |
The invention concerns a grasping device for changing bending tools on a standard tube bending machine comprising: a portal frame or the like (17) arranged around the bending machine (1), above the bending head (3) and the bending arm (4...
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WO/2000/016921A1 |
Bending apparatus in which tubular or rod-shaped material (1) is bent with the aid of a rigidly mounted roller (11) and a freely movable roller (12), which consists of only one roll. The roll may be translated in two mutually orthogonal ...
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WO/2000/012239A1 |
Device for bending HP profiles in consecutive steps into a ship's frame section, comprising means for supporting the profile, means for the forwarding of the profile through the machine from a supply side to a discharge side of the devic...
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WO/2000/012241A1 |
The invention relates to a method for forming a hollow body (1) which is roughly hewed in a forming tool that comprises an upper part and lower part in order to obtain a preform (29) by crushing, using the upper part of the tool, whereby...
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WO/2000/010747A1 |
Jig for use in forming ship's frame sections by bending, the jig being elongated and consisting of a number of parts, which at the location of the complementary connection ends can be laid in line with each other, the complementary conne...
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WO/2000/005521A1 |
An apparatus (10) for manufacturing a large-diameter gasket, in which a pair of holding presses (50, 66) have press members (58, 74) which selectively bear against an elongate band (16) while a bending press (90) pivots against a portion...
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WO/1999/052753A1 |
The invention relates to a method for producing flat bar windshield wipers having bent flat bars (11), especially with variable material thicknesses (d) over the length of the bars. In order to achieve the production of tolerance-precise...
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WO/1999/046067A1 |
A bending machine has a machine bed on which a pipe supporting carriage is mounted to move a pipe in a first direction toward a dual bend head assembly (12) at the forward end of the machine bed. The assembly has a support frame and firs...
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WO/1999/038626A1 |
The invention concerns a tube bending machine comprising on the bending arm (4) a magazine device (12) bearing clamping jaws (14) with different impressions, said magazine device being capable of pivoting simultaneously with the bending ...
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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/1999/024189A1 |
The tube (2) forming tool (24) comprises means for heating (25) by dielectric loss using frequencies adapted to the polar materials constituting the tube (2) so as to shape them.
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WO/1999/011398A1 |
The present invention relates to a method and an apparatus for bending a workpiece, and more particularly to a method and an apparatus for bending a nonferrous metal workpiece to be mounted on a chassis. The present invention is characte...
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WO/1999/002283A1 |
A tube for heat exchangers, in which a band-shaped metallic plate (P) is bent and joint portions (22) provided on both ends of the plate (P) in the widthwise direction are brazed to each other. The tube has a groove (21a) extending lengt...
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WO/1998/048957A1 |
The invention relates to a method and multistation device for folding profiles. The folding stations (1, 11, 15, 16, 17) required are modules mounted interchangeable and adjustable on a common machine body (2), which permits quick and si...
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WO/1998/047639A1 |
Disclosed is a method and device for three-dimensional bending of hollow metal sections (12), wherein the hollow section to be bent is introduced into and passed through a cross-bending head (40), which is mounted in a bending head stati...
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WO/1998/031484A1 |
The invention concerns a machine for bending tubes (1) of small diameter, previously cut and provided with connecting systems at each of their ends. Said machine comprises means for grasping (5) the rear end of the tube (1), means for dr...
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WO/1998/017413A2 |
The present invention relates generally to bending a workpiece to form a desired configuration and, in particular, to a method and apparatus for forming bends 'out of sequence', i.e., in a time sequence different from the spatial sequenc...
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WO/1998/017414A2 |
The present invention relates generally to bending a workpiece to form a desired configuration and, in particular, to a method and apparatus for forming bends 'out of sequence', i.e., in a time sequence different from the spatial sequenc...
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WO/1998/005443A1 |
A portable small rebar bending machine (10) is described including a frame (14) that carries first and second anvils (30 and 32) for receiving a rebar along a straight line therebetween. A hydraulic cylinder (38) is mounted to the frame ...
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WO/1998/000250A1 |
A quick change tooling method and apparatus has been devised for tube bending operations in which the bend die (34), clamp die (35) and pressure die (36) as well as mandrel and wiper die (37), if required, are preassembled along with a t...
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WO/1997/048506A1 |
The invention concerns manufacturing of a specially shaped roll-over bar, the design of such a roll-over bar and the use of such a roll-over bar, where the geometric shape can vary in cross section and design, can be provided from simple...
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WO/1997/037785A1 |
A machine for bending or cambering a profile section (1), wherein the bending means include two bending rollers (6, 7) mounted on a tool holder carriage (10), and a supporting block (15) for supporting the tool holder carriage (10) pivot...
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WO/1997/035039A1 |
The invention relates to a manufacturing method for curved and quenched profile elements from closed profile elements, beams, or similar by using a die tool (5) for curving the profile elements, a profile element (2) heated to the quench...
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