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Patent Searching and Data


Matches 351 - 400 out of 2,279

Document Document Title
WO/2001/098601A2
A panel, formed from a perforated face (102), is respectively concavely and convexly curved by seriatim stretching or contracting its flanges (104a, b; 156a, b). Such stretching and contracting is produced by placing the opposed flanges ...  
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...  
WO/2001/074509A1
The invention concerns a digitally controlled machine for bending, forming, or curving a rod, said machine comprising in standard fashion a main frame (1) and a rotating bending head to enable to obtain bends in different planes, wherein...  
WO/2001/074512A1
The invention concerns a machine for bending and twisting flat metal wire for producing a motor vehicle wiper arm. It comprises means (3) feeding and maintaining the wire (2), and at least means (51) capable of gripping and releasing the...  
WO/2001/062406A1
The invention relates to workpiece control shaping of metal, preferably in the form of plates or bands, which metal workpiece (1) has a high tensile limit, preferably above 1000 N/mm?2¿ and is intended to be further shaped. Along predet...  
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/2001/060542A1
A bending machine comprises a first jig (22) for holding one end of a long workpiece (20); a second jig (24) for holding the other end of the workpiece (20); a rack (30) attached along the length of the first jig (22); a roll-shaped die ...  
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/2001/021336A1
In a machine for automatically forming a retainer for a channel letter, a desired configuration of the channel letter is input into a controller. The controller controls the feed of a strip of retainer material into the machine and the b...  
WO/2001/005549A2
A method and apparatus are provided for forming shapes and contours in metal sections by generating laser induced compressive stress on the surface of the metal workpiece. The laser process can generate deep compressive stresses to shape...  
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/2000/071276A1
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/2000/061313A1
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/2000/053352A1
One or more closed perimeter openings (6; 106) are formed in the compression area of a flange (8) of a member (1) that is to be bent transversely to the flange (8). The member is bent along a transverse bend line (14), and the flanges (8...  
WO/2000/048762A1
Process for deforming a piece of thin-walled metal tube, comprising the operations of bending the piece of tube with respect to its original axis, in which process the wall of the piece of tube is firstly provided, at least at the locati...  
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/2000/029142A1
The invention concerns a method for forming curved conduit sections with steel tubes (16) provided with a mortar coat (14) inside. The method is characterised in that it consists in: working at least a ring-shaped groove (12) in the mort...  
WO/1999/064183A1
A device (100) for forming a cutting blade for prints is disclosed. The device of this invention forms cutting blades by appropriately bending and cutting a metal strip (1) into desired blades through integrated work regardless of a diff...  
WO/1999/044764A1
This invention includes the generation of forming information and its manipulation scheme as a method to form curved plates in ship hull-pieces. This invention consists of three components as follows: one is to construct and utilize a da...  
WO/1999/044765A1
This invention relates to an automatic machine to form curved plates (100) of ship's hull-pieces in shipbuilding process. This automatic machine has the following devices in order to improve such state such as Jig table (10) to support s...  
WO/1999/043894A1
The invention relates to a woven wire netting (10), for use preferably as protection against rock fall or to secure a top layer of soil, which is woven out of corrosion resistant wires (11, 12, 13, 14) and either spread across the ground...  
WO/1999/037417A1
Disclosed is a device for step-by-step bending of trapezoidal or shaped strips (24) of sheet metal or metal sheets for industrial purposes, comprising a pressure cylinder (4) with a piston (5) which can be displaced perpendicular to a ho...  
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/1999/026739A1
Bending machine with variable bending tool for round pieces (16) or bundles of round pieces, the machine including a work plane (17), at least a drawing assembly (11), at least a shearing assembly and at least a bending device (32), the ...  
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/1999/008818A1
A method of working a length of metallic strip includes the steps of positioning the strip on a former and forming the strip on the former into a predetermined shape while subjecting it to a heat treatment process. The invention also rel...  
WO/1999/004892A1
A device (1), in particular for mixing, heat exchange or carrying out reactions, has one or several elements (2) through which a flow can be led and having a centre line (3) which extends in the flow direction. The device (1) is characte...  
WO/1999/002795A1
This invention relates to sheet metal buildings of relatively large size and more particularly but not exclusively to processes and apparatus for cold-forming elongate building elements of such buildings and methods of building construct...  
WO/1999/001239A1
The invention relates to a method for bending a workpiece, for example sheet metal (1), by applying a mechanical force while selectively heating it by means of a laser beam (6). A radiation field (7, 21) is generated from one or more las...  
WO/1998/053931A1
A method and apparatus for the production of bent sheet metal pieces (12) is disclosed. In the method or apparatus, a cut (14) is made in a sheet of sheet metal (10) that defines the perimeter of piece (12) to be obtained. The cut (14) i...  
WO/1998/053222A1
The invention provides a helical device for engagement with a cable, the helical device comprising a single length of metal strip comprising a first helical section (1), a second non-helical section, and a third helical section, the end ...  
WO/1998/037992A1
The subject of the invention is a method for forming sheet metal strip, such as roofing sheets, in which the sheet strip (1) is moved forward and formed into undulated metal sheets by means of machine tools (2). The tooling (2) used in t...  
WO/1998/032553A1
The invention relates to a method and an apparatus for creating fold lines in corrugated sheet transversely of the corrugations for enabling in a subsequent step bending of the sheet to a desired angle. According to the method the sheet ...  
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/1998/026462A1
A battery core winding apparatus for winding into an electrochemical cell, a plurality of flexible strip members comprising a first conducting flexible electrode (86) having a first leading edge (87), a second conducting flexible electro...  
WO/1998/018580A1
A slit (H) is cut in the top (2) and bottom (1) walls of an elongate box section tube and a side force (F) applied so that a bend can be introduced. The slit is elongate and has end portions shaped to encourage the bending.  
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/1998/006516A1
In a machine for automatically bending a material into the outside skin of a channel letter, a desired configuration of the channel letter is input into a control computer. The computer controls the feed of the material along a material ...  
WO/1997/044147A1
The invention relates to a process for shaping a flat metal workpiece, especially an aluminium sheet, in which the workpiece is heat-treated in the shaped region. According to the invention, the heat treatment is applied by a radiation t...  
WO/1997/039845A1
The invention relates to a core winding roll bending process of hollow sections and the corresponding machine. Said process provides that the hollow section filled internally at least partially by a mandrel and clamped into the fixing po...  
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/1997/031728A1
A method for forming a one-piece skip body with a concave cross section from a large metal sheet (1) by imparting an approximate cross section to the sheet using shaping means (2) is disclosed. According to the method, the approximate cr...  
WO/1997/018908A1
The apparatus which is the subject of this application allows a metal blank which, in one embodiment, comprises a plurality of bars held in parallel relationship, to be formed into a twisted and bowed shaped object (4) which is referred ...  
WO/1996/030139A1
The invention concerns a rounding device (10) comprising two shaping dies (12, 14) with shaping chambers (22, 24) in order to round a sheet bar (26) about a core (16). The peripheral lengths of the two shaping chambers (22, 24) are each ...  
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/1996/014176A1
Methods and apparatus for forming devices including dead-ends and insulator ties from flat and other strips of material, as well as the devices themselves, are disclosed. Components of these devices may be formed continuously from a sing...  
WO/1996/009949A1
A rail frame assembly for a motor vehicle comprises a rearward frame module having a pair of generally parallel rearward frame rail members interconnected by a rearward cross-member assembly. A central frame module includes a pair of gen...  
WO/1996/007492A1
A process and a system is employed for bending to a curved contour a light-weight cellular plate (10), wherein three plate layers (11-13) are connected to each other in pairs via layers of glue. The cellular plate (10) has a first, plana...  
WO/1996/005922A1
A sweeping member (5), together with a plate (2) which is to be worked and lies on a layer (4) of resilient material of a table leaf (3), is pressed over a certain distance, the depth of impression, into the resilient layer (4). Subseque...  

Matches 351 - 400 out of 2,279