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Patent Searching and Data


Matches 451 - 500 out of 5,467

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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.  
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, ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/1997/016267A1
A flexible shoe (10) for a bending machine which includes a flexible web (32). The flexible shoe (10) is characterized by at least one flexible web (32) mounted on a pair of flexible resilient shafts (42, 44) which flex to accommodate a ...  
WO/1997/012699A1
A tube bending machine (10) is provided which includes a rotatable bend die (12) about which the tube (14) is bent, a mandrel (42) insertable into the tube adjacent the bend, and a mandrel rod (48) fixed to a rear end of the mandrel. A m...  
WO/1997/012707A1
A machine (10) for cold bending a thick walled tube (14) is provided which includes a rotatable bend die (12) around which the tube is bent and a pressure die (56) which engages an outer side wall of the tube tangential to the bend. The ...  
WO/1997/012702A1
A tube bending machine (10) is provided which includes a rotatable bend die (12) about which the tube (14) is bent and a rotatable clamp die (16) disposed outwardly of said bend die and movable to secure the tube between the clamp die an...  
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 ...  
WO/1996/021529A1
A profile (23) definition system for use with profile bending apparatus using an imaging process. A profile (23) such as that used to form a cutting knife is located above a non-reflective surface (31) such that the profile configuration...  

Matches 451 - 500 out of 5,467