Abstract: An apparatus to make a metal mesh having longitudinal rods and transverse rods which have a diameter and reciprocal pitch defined on each occasion according to requirements, is provided, having a first operating group and a second operating group disposed in sequence and functionally coordinated, to obtain a reticular semi-worked product that is completed to make the desired metal mesh.

Abstract: An apparatus to make a wire mesh with longitudinal wires and transverse wires, on each occasion having a reciprocal pitch defined according to requirements is provided, and includes a first feeder, a second feeder and a welding unit functionally coordinated to make the desired wire mesh.

Abstract: A device and method for making a wire basket, the device having a spinning fixture with a top plate with an outer periphery, arms attached at a top end at the periphery of the top plate and projecting downwardly, such that bottom ends of the arms collectively form a circular arrangement having a diameter greater than the diameter of the top plate, a means for guiding wire onto the spinning fixture such that the wire is wound onto the spinning fixture in a preselected pattern, and contacts to maintain the wire onto the spinning fixture in preselected locations, and the method including providing an apparatus for delivery of wire through a wire feed and for translating the wire feed lineally along a traverse, providing a spinning fixture for winding wire thereon, and winding a preselected pattern of wire onto the spinning fixture by translating the wire feed along the transverse.

Abstract: A ventilated wall module (10) of the type used in civil construction for a range of buildings using pre-fabricated components, such as one-story homes, large houses, houses, schools, hospitals, industrial sheds, inter alia; the wall module (10) includes a pair of panels (20A) and (30A) that are produced independently of one another by automated, robotic equipment (E1), based on large moving metal surfaces (M1) that slide on rails (T1); said mechanized method (M1) developed for the production of the panels (20A) and (30A) includes an industrialized construction system (SC) for producing each wall module (10) comprising the combination of the coordination and compatibilization of the designs to be implemented with the pre-installation of the complementary components such as electrical boxes (c1) or other necessary elements.

Abstract: Systems and processes for feeding longitudinal wires in a mesh 3 production machine. Mesh 3 is produced by the welding of longitudinal wires 2 with transverse wires 6 at a welding unit 27. The longitudinal wires may be pulled from decoiler reel 40, straightened, and then deposited in longitudinals storage 19. They are then received by a longitudinals carrier 15 and transported towards welding unit 27. The longitudinal wires 2 are selectively rotated around their longitudinal axes with selected angle, and restrained until their welding with the transverse wires. This negates effects of any possible curvature acquired during their straightening with rollers 9, so that after their welding, the resulting mesh 3 is produced planar with the distortion stresses neutralized.

Abstract: A manufacturing system includes a tension-wound system having a feedstock system and a shape fixture. The tension-wound system is configured to feed a feedstock from the feedstock system and to wind the feedstock under tension in successive layers around the shape fixture to allow the feedstock to form a component having a shape represented by the shape fixture. The manufacturing system includes a solid-state joining tool configured to additively join the successive layers of the feedstock. In a spiral tension-winding process, with a continuously-fed strip of aluminum feedstock around a piece of tooling, the feedstock can be friction stir welded and additively joined in successive layers to produce a large, near-net structure.

Abstract: Device for producing reinforcements, in particular reinforcement baskets for concrete pipes having a bell-shaped socket end, having an expansion device which has a single expansion slide, wherein the expansion slide is configured for modifying, in particular, during the production process of the reinforcement, a radial position of an assigned actuating element for a longitudinal wire of the reinforcement by way of a transmission mechanism of the expansion device. The device is characterized in that the expansion device has a mold slide, wherein an actuator drive is provided for moving the mold slide, and wherein the actuator drive for a linear movement of the mold slide in relation to the expansion slide is supported on the expansion slide.

Abstract: A method and apparatus for rebar cage construction is disclosed. A computerized controller operates an apparatus that automates parts of the rebar cage formation process. The computer controls motors for rotating the barrel and operating a wagon containing spiral coil wire. Initial rods are placed on a plurality of latitudinal conveyors. Dual cage ring assemblies are placed on the latitudinal conveyors, and notches or slots within the cage rings engage with the initial rods. The conveyors rotate the dual cage ring assemblies and a rod dispenser places a rod in additional notches. The rods, when completely installed, form a barrel structure. A wagon containing spiral coil wire is then moved longitudinally while the conveyors rotate to wrap the spiral coil wire around the barrel, to form a spiraled rebar cage.

Abstract: The present invention relates to machines, systems and processes for feeding longitudinal wires (2) for mesh (6) production. Welding of longitudinal wires (2) with transverse wires (4) at welding unit (57) produces mesh (6). Longitudinal wires (2) are controllably rotated around their longitudinal axes to selected angles, and restrained until their welding with transverse wires (4), thus negating effects of residual curvature from roller straightener (36) and resulting in mesh (6) produced planar with distortion stresses effectively neutralized. A wire collector (79) releases a first longitudinal wire (2) for guided travel laterally to a receptacle (45). A rotator unit (71) simultaneously controllably rotates this wire, while the collector (79) simultaneously receives the length of the next longitudinal wire. Particular rotator units (71) facilitate such operation.

Abstract: Certain embodiments described herein are directed to couplers configured to provide an electrical connection between two or more separate electrical wires. In certain embodiments, the coupler is configured to provide the electrical connection without the two electrical wires physically contacting each other. In other instances, the coupler can be configured to provide an electrical connection between the wires without the use of an electrical box or wiring nuts.

Abstract: Systems and methods for producing mesh from wires or rods with programmed changeable steps for the longitudinal and transverse wires. The longitudinal wires (1) and the transverse wires (12) may be fed from coils or be precut. The longitudinal wires are fed in receptacles (2) on carriers (3) with the carriers being found on prefeeder carrier (4), a feeder carrier (6) with grippers (7) transports them towards the welding heads (10) and the produced mesh (20) is received by a mesh carrier (14). The carriers (3) with the receptacles (2) for the longitudinal wires on the prefeeder carrier (4), the grippers for the longitudinal wires (7) at the feeder carrier (6) and the welding heads (10) are displaced in the direction of the transverse wire without restrictions, generally in an unrestricted fashion, so as to correspond to the longitudinal wires being subjected to welding. The transverse wires are fed towards the welding heads to be welded with the longitudinal wires.

Abstract: A method is provided for manufacturing a seamless, reinforced panel of any desired length using a single mold. The seamless panels of the present invention may be used in a variety of construction application. In one embodiment, the method includes inserting at least a portion of a plurality of lattice trusses into a mold having an axial length, inserting a first filler material into the mold, the first filler material encapsulating at least a portion of the plurality of lattice trusses to form a panel segment, translating the panel segment a linear distance, the linear distance less than the axial length of the mold such that a portion of the panel segment remains in the mold, and inserting a second filler material into the mold, the second filler material intermixing with the portion of the panel segment remaining in the mold to form a seamless panel.

Abstract: A system for producing reinforcing cages for wind turbine tower segments, wherein a reinforcing cage has in each case substantially horizontally oriented ring segments and substantially vertically oriented stiffening elements. It is proposed that the system has a receiving area which is adapted so as to receive the preferably inner, substantially horizontally oriented ring segments of the reinforcing cage, a first handling robot for supplying and positioning the stiffening elements, and a second handling robot for connecting the ring elements to the stiffening elements.

Abstract: An order relating to a formulation-based product is received, wherein fulfilling the order requires production of the formulation-based product at a first location, transport of the formulation-based product in a vehicle to a second location different from the first location, and performance of an activity with respect to the formulation-based product at the second location. First information relating to a first change made to the formulation-based product at the first location is received, from the first location, prior to transport of the formulation-based product. Second information relating to a second change made to the formulation-based product during transport of the formulation-based product is received during transport of the formulation-based product. Third information relating to the activity performed with respect to the formulation-based product at the second location is received from the second location.

Abstract: Systems and methods for producing metallic frames from wire or strip or other material of prismatic cross section, which material may subjected to plastic bending, and the ends of which are joined together. The production process for metallic frames occurs in three phases, in three separate positions, which may function independently of one another. In the first position the wire or strip (1) may be pulled from a spool, be straightened (2), then measured (4) in length and cut. At the second position the beginning and end of wire material (1) are there transferred, and there the ends are joined. In the third phase the frame is transferred, with its ends joined, and the measurements and bendings of the sides are made, so as to produce a desired product configuration at the third position.

Abstract: A device for connecting welding wires for CO2 gas welding includes a base frame, first and second electrode plates that are disposed apart from each other on the base frame and including disposing grooves to which an old wire and a new wire are respectively disposed, and clampers that are disposed to each electrode plate and that clamp the used wire and the new wire disposed to the disposing grooves, respectively.

Abstract: A device for connecting welding wires for CO2 gas welding includes a base frame, first and second electrode plates that are disposed apart from each other on the base frame and including disposing grooves to which an old wire and a new wire are respectively disposed, and clampers that are disposed to each electrode plate and that clamp the used wire and the new wire disposed to the disposing grooves, respectively.

Abstract: A rebar installation system that uses rebar drive stations to secure rebar against the inner surface of a coil for securing thereto. The system may increase the ease and speed with which the rebar can be attached while reducing the amount of manpower necessary to complete the project.

Abstract: A system and method for supplying electric welding machines producing meshes (5), wherein the longitudinal wires (1) come from material wound on at least one spool (4) that is unwound with assistance of a reel (15). The longitudinal wires are fed (29), subjected to advancement (20) and straightening (17), followed by a measurement of length (7) and cutting (4) to desired length. Thus, the wires (1) are supplied to positions of sheaths 19 on an appropriate supplier arrangement (2) for longitudinal wires (1), which positions (19) correspond to locations of the longitudinal wires (1) in the mesh (5) to be produced; furthermore the longitudinal wires (1) are transferred from the supplier arrangement (2) and introduced into a suitable welding line (6) where production of mesh (5) is effected. During the production of mesh (5) the supplier (2) for longitudinal wires (1) may return to its filling position to be supplied anew with longitudinal wires (1) for the next-to-be-produced mesh (5).

Abstract: A woven laminate for sound absorption that includes a first woven layer, a second woven layer, and a third woven layer. The first woven layer has a coarse structure. The second woven layer has a fine structure. The third woven layer has a medium structure. Each of the first, second, and third woven layers are composed of metallic wires that are woven to each other or interlaced as a fleece. At least one of the first, the second, and the third woven layers are superimposed in order to form the woven laminate. The woven layers are placed in the layer order fine-coarse-medium. The woven layers are welded together at least partially.

Abstract: An electric harness fabricating apparatus includes wire reel out means provided for a pressure welding apparatus for pressure-welding a connector a wire of a wire harness; two rotary encoders are provided at a wire supply apparatus for supplying the wire to the pressure welding apparatus and for detecting the of wire supplied from the wire supply apparatus to the pressure welding apparatus. A main computer is provided to calculate the length of wire reeled out by the wire reel out means and a detected value detected by the rotary encoders and calculating a difference therebetween. The computer provides a means for comparing the difference calculated by the calculating means with a previously determined allowable range, and the wire reel out amount abnormality determining means for determining that an actual amount of wire fed out by the wire reel out means is different from the desired reel out amount when the difference exceeds the allowable range by a comparison by the comparing means.

Abstract: Non conductive supports flank the mounting location of ribs for a wire wrap screen so as to limit penetration into the wire being fed over the ribs and resistance welded notwithstanding variations of applied force from the weld roller. Optionally the wire can be pre-rolled to approximately its end diameter in the finished screen ahead of the time it contacts a rib so as to minimize bending the wire over the rib which thins the wire. The supports are preferably ceramic and provide equal penetration of the rib into the wrap wire despite variations in loading by the weld roller.

Abstract: The invention relates to a machine for the production of a continuous strip of wire mesh (100) using a single flexible metal wire (20) which is fed to the machine continuously. According to the invention, the mesh (100) is formed by repeating the same pattern with the metal wire in one plane, each pattern being stacked on the preceding pattern with a constant pitch offset in the axial direction of production. The inventive machine comprises: a metal wire storage stage; a stage for continuously supplying metal wire to the machine; a forming stage for shaping the wire into a succession of identical patterns; a transfer stage for successively moving said metal wire patterns to the mesh-forming plane; a stage for maintaining each pattern in one plane and for offsetting same by a constant pitch with the arrival of the following pattern; and a stage for fixing the patterns to one another. The invention also relates to the strip of mesh (100) thus formed and to the production method thereof.

Abstract: A welding wire weaving apparatus for a submerged arc welding carriage includes a truck running in a welding direction, a control panel controlling parameters required for welding and weaving operations, a welding wire reel mounting a welding wire thereon, a welding wire supplier supplying the welding wire to an upper part of a member to be welded, a weaver unit weaving the welding wire transversely, a supplier supporting shaft supporting the welding wire supplier at an upper part of the truck, and a weaver unit connection bar connecting the weaver unit to the supplier supporting shaft. The welding wire supplier includes a supply guiding roller, a compressive supplying roller, a welding wire guide bundle, a needle bearing, a welding wire guide bundle and an insulator formed between the needle bearing and the welding wire guide bundle.

Abstract: A wire cloth includes metallic warp wires and metallic weft wires interwoven with one another, wherein the weft wires have each a diameter which is equal or smaller than a clear distance between two neighboring warp wires, and wherein the weft wires are constricted in crossing regions with the warp wires.

Abstract: A former (10) for a reinforced concrete cage making machine, adapted to hold a plurality of longitudinally extending rods is disclosed, the former (10) including a frame comprising an inner frame (21), an outer frame (20) and transverse frame members (22), and a plurality of rod supports (11), each rod support (11) adapted to hold an associated longitudinally extending rod, wherein the rod supports (11) are mounted to the frame (21, 20, 22) such that the transverse location of at least one of the rod supports (11) can be varied, relative to the frame (21, 20, 22).

Abstract: Machine for the formation of a metal mesh obtained by attaching together a plurality of longitudinal metal wires to a plurality of transverse metal wires. The machine includes a first feed assembly to make the longitudinal wires advance step-wise, a second feed assembly to arrange one transverse wire at a time in a first preparation position, a positioning apparatus to arrange the transverse wire in a second attachment position, and a welding assembly to attach the transverse wires to the longitudinal wires. The positioning apparatus includes a loading assembly, provided with a gripping and transfer device, to locate the transverse wire in the second attachment position. The machine also includes a thrusting device to take the transverse wire from the first preparation position to a third intermediate pick-up position, near the second attachment position, wherein the transverse wire is picked up by the gripping and transfer device.

Abstract: A flash discharge tube includes a pin-shaped cathode. The pin-shaped cathode has an electrode core of tungsten having a first end portion. A lead of nickel has a second end portion connected with the first end portion. In the electrode producing method, the electrode core and the lead are retained by use of respectively first and second chuck mechanisms with the first and second end portions opposed to one another. The first and second end portions are pushed on one another by moving at least one of the first and second chuck mechanisms. While the first and second end portions are pushed on one another, the first and second chuck mechanisms are supplied with electric current, so as to weld the electrode core and the lead together therewith by resistance welding.

Abstract: A device forms metallic cages for structures made of reinforced concrete, the metallic cages providing longitudinal rods associated with transverse stirrups, the transverse stirrups having an at least partly closed shape and being distanced lengthwise. The device includes a supporting frame, and a plurality of housing seatings arranged in a longitudinal line on the supporting frame at least according to a desired interaxis (“i”) or a multiple of the interaxis (“i”), each of the housing seatings cooperating with a relative means to position and retain the stirrups defining their erect position on a substantially vertical plane. A plurality of transverse arms to support the longitudinal rods lie separated from each other on a horizontal plane, the transverse arms being interposed between the housing seatings. Means are provided for relative displacement in height between the transverse arms and the means to position and retain the stirrups.

Abstract: A wheel speed sensor has a detection element having at least one lead for detecting a wheel speed, at least one terminal portion connected to the lead of the detection element, a holder portion having a detection element fitting portion fitting the detection element therein and a terminal portion fitting portion fitting the terminal portion therein, and a resin sealed portion sealing the holder portion in a state the detection element and the terminal portion connected with an electric wire are held in the holder portion. The detection element fitting portion and the terminal portion fitting portion are disposed such that the lead of the detection element is brought into abutment with or proximity to a predetermined location of the terminal portion when the detection element and the terminal portion are fitted in the detection element fitting portion and the terminal portion fitting portion, respectively.

Abstract: Device (10) to produce reinforcement metal cages comprising a plurality of longitudinal round pieces (13) associated with a plurality of stirrups (12) arranged at intervals along them, said device (10) comprising at least a supporting plane (20) on which said cage is progressively formed able to support rods (30) which complete the cage (11), lifting means (31, 32, 33a, 33b) being provided along said supporting plane (20) to keep said rods (30) raised at least during the advance of the cage (11) which is progressively formed and to allow said rods (30) to be inserted inside the perimeter of the stirrups (12).

Abstract: Preferred embodiments of the present invention employ a clamp ring apparatus having an upper die assembly with an upper die, a lower die assembly with a lower die, an actuator for bringing the upper die assembly and the lower die assembly together, a leg deflection element for offsetting legs of clamps formed by the apparatus, and a spring for controlling welding pressure on the wires formed to make the clamp rings (for those embodiments in which the wires are welded together). Spine and rib wires are fed into the apparatus from respective wire supplies, and are preferably brought into overlapping relationship between the upper and lower die assemblies. The upper and lower die assemblies then compress the wires to form a clamp from the rib wire and to attach the wires together preferably by using welding electrodes at or adjacent to the lower die assemblies.

Abstract: The present invention relates to a method of manufacturing a wire screen product which is especially suitable for screening fiber suspensions of the wood processing industry. It is a characteristic feature of the method according to the invention of manufacturing a wire screen product including screen wires disposed crosswire in relation to a support arranagement that includes at least one support wire, the screen wires and support wire being secured to each other such that, at the first stage, the screen wire is welded by a button spot weld to the support arrangement and, at the second stage, the screen wire is welded at another point to the same support structure.

Abstract: An apparatus for cutting a substantially cylindrical work piece in a direction generally perpendicular to a longitudinal axis of the work piece includes a wire having a plurality of cutting elements affixed thereto and a wire drive mechanism for driving the wire across and through the work piece. The wire drive mechanism includes a capstan to move the wire orthogonally across a longitudinal axis of the work piece, a rotational drive to oscillate the wire around the longitudinal axis and an advancing drive to advance the wire perpendicularly through the longitudinal axis of the work piece. In a particular embodiment disclosed herein, the apparatus comprises imparts a substantially rocking motion to the wire drive mechanism about the longitudinal axis of the work piece and the cutting elements of the wire are impregnated diamonds.

Abstract: A welding device includes a number of welding members disposed on a bases and a frame slidably supported in the base for supporting wires to be welded together. A moving device may move the frame between the welding members for allowing the wires to be welded together by the welding members. A removing device may remove the wires from the frame after the wires are welded together. An elevating device may elevate the frame for allowing the other frame to be moved through the frame and for allowing the other wires to be welded together by the welding members.

Abstract: An apparatus for making a reinforcing cage as disclosed. The apparatus has a former for receiving a plurality of longitudinally extending reinforcing rods and the former is rotatably received on a bed carried by a frame. An unloading module is located adjacent the former and has a shuttle for moving towards the former for feeding rods into the former and away from the former for withdrawing the rods as a cage is made. A feed is present adjacent the former for directing a reinforcing rod against the rod as they are withdrawn from the former to allow the spiral rod to be welded to the longitudinal rods as to produce a reinforcing cage.

Abstract: A suitable automatically operating apparatus is proposed for producing reinforcing cages for rectangular pipes made of concrete. Longitudinal-wire sections, which are parallel to the pipe axis, are held together in a framework. The latter essentially comprises a perforated frame, which cannot be moved in the longitudinal direction, and a receiving frame, which can be displaced relative to the perforated frame. Rectilinear transverse-wire sections, angles or bent brackets are welded onto the longitudinal-wire configuration, to be precise onto the respective side surfaces of the longitudinal-bar configuration in a freely selectable manner. Fitting apparatuses which can be displaced perpendicularly with respect to the longitudinal-wire sections are used for this purpose. In addition to the wire thickness, it is also possible to select the spacings between the transverse-wire sections provided in each case.

Abstract: A closed loop wire saw loop, a method for making the closed wire saw loop, and an apparatus and method for slicing a work piece, in particular, a polysilicon or single crystal silicon ingot, utilizing a closed loop of diamond impregnated wire in which the work piece (or ingot) is rotated about its longitudinal axis as the diamond wire is driven orthogonally to it and advanced from a position adjoining the outer diameter ("OD") of the ingot towards its inner diameter ("ID"). In this manner, the diamond wire cuts through the work piece at a substantially tangential point to the circumference of the cut instead of through up to the entire diameter of the piece and single crystal silicon ingots of 300 mm to 400 mm or more may be sliced into wafers relatively quickly, with minimal `kerf` loss and less extensive follow-on lapping operations. The closed wire saw loop is made by squaring and welding the wire ends together and then twice heat treating the weld at about 1500 F.

Abstract: A method and apparatus for producing wire grid mats from longitudinal wires and transverse wires (L, Q) crossing one another at right angles and welded at the crossing points, in which the longitudinal wires are advanced incrementally and the transverse wires are moved transversely to the motion of the longitudinal wires into a welding line and are welded to the longitudinal wires, and at least one of the transverse wires, after being delivered to the welding line, is clamped with a predetermined adjustable magnitude, and that before being welded to the longitudinal wires at least one end of this transverse wire is rotated by a predetermined adjustable angle about its longitudinal axis, whereupon the transverse wire is welded to the longitudinal wires.

Abstract: Wreath ring making machine having a ram torque stabilizer and an angle plate for imparting an offset angle to one rib arm. The wreath ring has a circular spine and C-shaped ribs disposed about the spine, the ribs having a back and two arms. The machine includes a pneumatic cylinder having a central axis connected to a ram, which is connected to a female die, which moves against a male die. A frame running parallel to the cylinder axis has the cylinder attached at the distal end and the male die attached at the proximal end. The stabilizer includes a stabilizer bracket attached at an intermediate portion of the frame and a corresponding stabilizer follower attached to the ram, where the stabilizer follower is slidably received by the stabilizer bracket, and stabilizes against torque in the ram and cylinder. The stabilizer significantly reduces torque on the cylinder and the resulting maintenance.

Abstract: A novel method and apparatus is disclosed for the production of single plane ladder-type rack strip material in which wire cross bar elements are Tee-welded to the inside surface portions of opposed, parallel side elements formed of similar wire material. The welding procedure involves contacting the cross bar element centrally with an electrode of a first polarity and contacting the wire side elements on opposite sides with electrodes of a second polarity. During the welding operation, current flows substantially equally from the first electrode in opposite directions through the opposite weld interfaces to the opposed second electrodes. By observing physical symmetry in the electrical supply at opposite sides, equalization of current flow is optimized so that the emerging rack strip product is flat and straight, suitable for commercial marketing.

Abstract: An apparatus and method for making welded mesh forms (10) having a stationary center beam (12) and an adjustable center beam (14). Two adjustable side beams (36 and 38) and one adjustable bottom beam and clamp (20) are provided so that any number of circular, arched, and/or elliptical wire mesh forms may be created. Once the desired shape has been properly formed by adjustment, a wire mesh (44) is inserted in between the adjustable clamps contained on the beams. A centering/positioning device (62) then grips the mesh along one free longitudinal edge and holds the wire mesh (44) in place as the clamps are clamped to the wire mesh (44) in clockwise sequence. This clockwise sequence adjusts the prerolled wire mesh (44) and creates a perfectly formed wire mesh (44) in the shape and diameter desired.

Abstract: A method of manufacturing a reinforcing bar cage, which is used in a cast-in-place piling method of constructing a reinforced concrete pile for a structure, and an apparatus for manufacturing the same, which allow simple and easy manufacturing of a reinforcing bar cage having an intended cage strength. A hoop is disposed, e.g., spirally with respect to cylindrically arranged main reinforcements, connection between the main reinforcements and the hoop is made by welding crossed portions thereof, and, in connection with the welding, the crossed portions are heated to achieve an intended strength of the reinforcing bar cage.

Abstract: Plant for the continuous production of building elements which consist of two parallel flat grid meshes made from welded longitudinal and transverse wires, of straight web wires holding the grid meshes at a predetermined mutual spacing and of an insulating body which is arranged between the grid meshes and through which the web wires penetrate, with a production channel (2), on both sides of which supply reels (3, 3') and straightening devices (5, 5'), each for an endless grid sheet (G, G') standing on edge, and push-in devices (7, 7') are provided for drawing off the grid sheets in steps and for introducing these into grid-sheet lead devices (14, 14'), two cutting devices (11, 11') for severing grid meshes (M, M') of predetermined length being arranged upstream of the lead devices, and the grid meshes being capable of being advanced in the lead devices and in the production channel in steps to web-wire feeding and cutting devices (26, 26') by means of a grid-mesh conveying device (18) and downstream welding

Abstract: A process and device are disclosed for manufacturing a grid, in particular a pressed grid. The grid consists of a plurality of carrying bars (9) and of filling bars (5) that can be inserted into the carrying bars. Both the carrying bars (9) and the filling bars (5) are supplied by conveyors to a pressing station (3) having a holding device for the carrying bars and an actuating device for receiving and pressing the filling bars to be inserted. After the bars are pressed, the holding device is moved forward over a freely selectable distance and the actuating device is moved so that another filling bar is moved from a supply position to the working position. After all bars which form the grid are pressed, the grid is subjected to a finishing process.

Abstract: A slewing device having a quickly adjustable drive is available for inserting and cutting cross wires in automated equipment for the prefabrication of building panels. The device includes a bridge that may be selectively tilted to planes transverse to the line of conveyance of the panels supported by a bank of electronically-controlled electric motor drives. Each drive motor operates a corresponding device for pulling at least one metal wire so as to push and insert the wire at substantially any angle through a layer of plastic material sandwiched between sheets of wire netting to form the panel after passing through coaxial cutting devices for trimming the wire after its insertion.

Abstract: A process and installation for producing reinforcement wire meshes by welding longitudinal and transverse wires (L, Q) together at their crossing points, leaving ends (E) or the transverse wires projecting beyond the longitudinal edge wires using a continuous wire meshes welding machine, in which, in order to produce reinforcement wire meshes where at least one of the projecting ends or the transverse rods is bent back towards the longitudinal edge wire in the form or a loop and welded thereto, straight transverse wires are supplied, at least one of the ends in front of the weld line of the wire meshes welding machine is bent back in the form of a loop towards the longitudinal edge wire (L') and the loop end (S) is welded to the longitudinal edge wire in the weld line (C) at the same time as the longitudinal and transverse wires are welded together.

Abstract: The feeder device for machines for manufacturing electrically welded metallic nets comprises a pulling carriage which is slideably mounted on guiding means which extend in the direction of a welding apparatus, so that it can be moved to a working position having an adjustable distance from the welding apparatus; the carriage is provided with: means for straightening a plurality of longitudinal wires to be fed; means for pulling the longitudinal wires, equipped with means for gripping the wires which can be actuated with a reciprocating motion longitudinally with respect to the carriage; and means for cutting the longitudinal wires. Telescopic tubular means, arranged between the pulling carriage and the welding apparatus and supported by intermediate supporting means, are suitable to act as guide for the longitudinal wires.

Abstract: The machine for manufacturing a construction panel has a plurality of clamping mechanisms (32) for holding fixed a subassembly including a plate-shaped heat insulating core (12) and upper and lower wire meshes (18,24) with predetermined gaps between them; a reciprocating carriage (44) mounted slidably in a longitudinal direction on a main frame (30); carriage driving mechanism (46) for moving the carriage (44) on the main frame (30) including a driving motor (140), an electromagnetic clutch (142) and a ball screw (144); a subassembly guide (34) for maintaining the predetermined gaps; first and second supporting member feeding and inserting mechanisms (36,38), each of which include feeding units (82) having hoppers (86) for discharging one-by-one a plurality of pre-cut first and second supporting members (26,28) and a plurality of inserting units (84), each of the inserting units including a pneumatic cylinder (92) having a piston rod (94) and a plunger (96) connected to the piston rod (94); and upper and lowe

Abstract: A wire feeding device for a wire-out electroerosion apparatus comprising a movable table (21) on which one of two clamps (35,45) for clamping a wire in use (2a) and a new wire (2b) from a spare bobbin, respectively, is provided. When the bobbin on which the wire in use is almost empty, one of the clamps (35) is moved into position opposite the other clamp (45) to thereby present a sheared end of the wire in use and a leading end of the new wire into abutting relationship. A welding circuit (80) joins the abutted wire ends whereby the joined wire may be smoothly fed past the various wire guides and into the machining slit formed in the workpiece, whereby continuous machining operations may be performed.