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Patent Searching and Data


Matches 401 - 450 out of 7,389

Document Document Title
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...  
WO/1995/031299A1
A device for bending metal rod in the environment of the operating room to form surgical implants with minimal nicking and scratching of, and minimal transfer of foreign material to, the metal rod during the bending process. The device c...  
WO/1995/017613A1
A method and apparatus for producing an arcuate brake shoe from a first strip (20) of material which is to provide a web of the shoe and has a plurality of projections (21, 21') extending from one edge and a second strip (24) which has a...  
WO/1995/010371A1
A plate roll comprising two stationary lower rolls (2) situated next to one another and being rotary arranged and above and between these is situated an upper roll (4) which can be displaced towards and away from the lower rolls. The pla...  
WO/1995/000266A1
This invention relates to an apparatus A for bending a band plate (100), such as a band edge, in which a fixed mold (1) having a slit (11) through which the band plate (100) is passed is provided unitarily with a shaft (3), a movable mol...  
WO/1994/027757A1
A booth system (51) traveling behind the carriage (12) of a tube bending machine includes a hydraulic boost cylinder (58) that slidably receives a boost shaft (52), a piston fixed to the boost shaft, and the cylinder is slidably mounted ...  
WO/1994/025195A1
A microprocessor controlled apparatus and method for processing sheet material into building panels (P) for assembly into buildings. The sheet material is formed into a panel (P) having a flat bottom and sides while length of the formed ...  
WO/1993/019864A1
The universal positioning and support structure for tools (56) used by a machine for bending elongate elements (58) such as tubes or prolifed sections, includes at least one base body (6) and a support platform (43) for said tools (56), ...  
WO/1993/016823A1
A method of manufacturing a bent pipe, in which a straight pipe of high tensile steel consisting of low alloy steel containing 0.08 percent weight of C or lower or a straight clad pipe composed of said low alloy steel at the outer part a...  
WO/1992/017291A1
A pipe bending plier, including a planar plate connected with a housing and a pair of spaced stationary anvil members coupled with the plate, a movable presser slidably coupled with the planar plate and movable relative to the housing an...  
WO/1992/012812A1
Apparatus for bending an elongated member (12) transversely to a web (46) thereof without substantially altering the cross-sectional configuration thereof including a form (11) having a plurality of pivotal seats (17 and 26) and flexible...  
WO/1992/002338A1
More or less compressed air is admitted into the diaphragm cylinder (5) by allowing compressed air to enter via the treadle valve (3). The pressure plate (7) is moved horizontally forwards over the thrust rod (6) via the guide in the sec...  
WO/1991/019603A1
In a process for bending tubes, which can be deformed or bent preferably when heated, in which the tube to be bent is possibly warmed, an internal support is introduced and the bending operation is carried out. Before bending, a tubular ...  
WO/1991/016155A1
The proposal is for a process and device for bending at least a section of a rod material. The material to be bent is grasped by a bending crank (2, 13, 45), the axis of rotation (N, 20, 46) of which runs perpendicularly to a bending edg...  
WO/1991/013707A1
The invention relates to a stabilizer bar and a method and an apparatus for manufacturing the same. The stabilizer bar, which is manufactured from a metallic tube (1) by bending, comprises a central portion (2) and at least two bent port...  
WO/1991/013706A1
A method for bending pipes, where there is created a file containing known spring-back and extension properties of various pipe materials and sizes at different angles of bend; the routing of the pipe is determined on the intended site o...  
WO/1991/011278A1
The description relates to a modular-construction processing centre with various operating modules (6, 8, 10) run by a drive module and with fixed time-controlled tools (12), e.g. bending tools, feed mechanisms, welding stations, assembl...  
WO/1991/010519A1
Disclosed is a machine for bending rod-shaped material in two directions, comprising a rotable plate (5), fitted with a centrally positioned mandrel (12) and an eccentrically positioned bending tool (13), and a fixed, adjustable holder (...  
WO/1991/004112A1
A device for bending rod-like material to form concrete reinforcements with a frame (3) to support a material feed device (4) and a carrier for bending members arranged to pivot about the feed shaft on the frame and adjustable in relatio...  
WO/1991/001829A1
The method disclosed allows the bending of tubular structures (10) with much smaller radius bends than is normally acceptable for the diameter of the tubing section that is being bent. The method is very useful for making various fitting...  
WO/1990/006459A1
Piston rings are described which comprise a single ring (10) in a co-operating piston ring groove (11), the piston ring being planar, having a dished section, and a planform giving desired radial pressure distribution on a co-operating c...  
WO/1989/009104A1
Process and device for bending preferably rod-shaped materials (13) to obtain any bending radius R and/or bending angle Z. A bending template is not required. Said materials (13) are bent gradually, in stages, around a bending block (12)...  
WO/1989/007495A1
A method for bending spacer profiles (36) for insulating glass permits production of the corners with well-defined plane outsides extending in planes identical with the planes of the profile lateral faces (46) and barring completely pass...  
WO/1989/004222A1
The invention relates to a method and apparatus for folding corrugated sheet transversely of the corrugations. In accordance with the method, the valleys of the sheet corrugations are held clamped against a die in an edging press or like...  
WO1989002323A3  
WO/1989/002323A2
An automatic frame bending machine is disclosed for bending off rod steel or steel bands, and a process and device for producing spring mattresses. The purpose of the invention is to design a frame bending machine with which frames of th...  
WO/1989/001833A1
A forming process for producing sharp corners in sheet metal workpieces, and a press brake useful in carrying out such a process, involving a male forming die (100) incorporating a nipple (160) for extruding the sheet metal stock (320) m...  
WO/1988/004208A1
Apparatus for forming horse shoes comprises a hydraulic press (10) with means to operate said press. A horse shoe former (12) is securable to the outer end of the cylinder of the ram and cylinder (11) of the press (10). The former (12) h...  
WO1987007537A3  
WO/1987/007537A2
In the process for the cold forming of ferrous and non-ferrous metal sections, pre-tensioning is applied to the initially essentially straigth metal section, which is clamped at both ends. Next, the tensioned metal section is bent in a r...  
WO/1987/001625A1
A pipe bending machine comprises a bending head (12) for engaging a pipe (1), drive means for displacing the bending head so as to bend the pipe through an angle, and means for co-operating with the bent portion of pipe once the bending ...  
WO/1987/000774A1
In a pipe bending machine of the draw bending type and having a bending die (12) and a clamp (16) for clamping the pipe (1) to the bending die, means are provided (e.g. a stop 60) for limiting displacement of the clamp away from the bend...  

Matches 401 - 450 out of 7,389