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| Number | Title | Issue Date |
| 7357290 | Workpiece support structures and system for controlling same In accordance with one aspect of the present exemplary embodiment, set forth is a welding system including a plurality of adjustable welding support structures positioned in relationship to each other to permit welding of a workpiece held by a plurality of adjustabl... | 04/15/2008 |
| 7347350 | Welding workpiece support structures In accordance with one embodiment of the present application, provided is a welding support structure arrangement to support an elongated assembled weldment preparatory to positional welding. The arrangement includes at least one support structure having a support b... | 03/25/2008 |
| 6910614 | Vacuum compression brazing furnace and method of using same A vacuum heat treating furnace for brazing a large metallic part is disclosed. The vacuum furnace includes a pressure vessel having a cylindrical wall and a door dimensioned and positioned for closing an end of the cylindrical wall. A workpiece handling system is mo... | 06/28/2005 |
| 6646219 | Tube clamping assembly A tube clamping assembly comprising a first portion having a base and a clamping device carried on the base, and a second portion having a base and a clamping device carried on the base. The first and second portions are coupled to each other such that th... | 11/11/2003 |
| 6622906 | Welding method and welding device The welding apparatus has a positioner (1) provided with workpiece supporting means (11) which is rotatable about a first central axis (Ca) and is pivotable up and down about a second central axis (Cb) crossing the first central axis (Ca). A welding robot... | 09/23/2003 |
| 6489593 | Locating and locking unit for welding sheet metal parts of a motor-vehicle body A locating and locking unit for sheet metal parts which are to be assembled by electric spot-welding on a motor-vehicle body, comprising a base platform, for receiving the trolley of a positioning frame equipped with locating and locking devices for the p... | 12/03/2002 |
| 6355899 | Tube clamping assembly A tube clamping assembly comprising a first portion having a base and a clamping device carried on the base, and a second portion having a base and a clamping device carried on the base. The first and second portions are coupled to each other such that th... | 03/12/2002 |
| 6242715 | Progressive hot twisting apparatus for use in a process for manufacturing a hollow turbomachine blade An apparatus for manufacturing a hollow turbomachine blade made from a titanium alloy of the TA6V type includes a hot twisting step in which an element of the blade is twisted progressively at a temperature above 700° C. by a plurality of bars which are ... | 06/05/2001 |
| 6239408 | Positioner A positioner includes a conductive rotary table on which a work-piece is placed, a conductive rotary shaft holding the rotary table, a conductive collector ring fixed concentrically with the rotary shaft, and a carbon brush contacting one face of the coll... | 05/29/2001 |
| 5753884 | Aesthetic orthodontic band and attachment assembly An orthodontic assembly that includes a band and an attachment has one or more spot welds to secure the band to the attachment. The spot welds are characterized by the lack of any outer surface weld deformation that is circular in shape, or that is visibl... | 05/19/1998 |
| 5713506 | Vacuum holding rotary welding fixture A welding fixture includes a stationary tubular outer manifold having an outer flow passage extending radially therethrough for drawing vacuum, and a tubular spindle extending coaxially therethrough. The spindle includes a mandrel at one end over which th... | 02/03/1998 |
| 5685996 | Plasma arc pipe cutting apparatus A plasma arc pipe cutting apparatus incorporates a plasma arc torch adjustably coupled to a motor-driven ring which transports the torch in an orbit about the pipe to be cut. The apparatus includes a pipe clamping fixture allowing the pipe to be cut to be... | 11/11/1997 |
| 5499755 | Precision alignment welding apparatus A precision alignment apparatus that automatically welds together the parts of a cut-apart torque converter. A precision cast and machined frame is provided onto which are mounted a spindle assembly, a double-end air cylinder and a turntable which are ali... | 03/19/1996 |
| 5483039 | Cyclically controlled welding purge chamber An arrangement for butt-welding cylindrical sections of large, thin-wall tanks includes a rotatable mandrel with side-by-side sets of radial position adjusters. Each set of adjusters bears on one of the tank sections adjacent the seam, to prevent the sect... | 01/09/1996 |
| 5412174 | Work rotating apparatus for beam machining having tilt limiting stops A safety structure, for use in a work rotating apparatus for a laser beam machine having a manually rotatable shaft and work holder supported by a frame, comprises a pin and a pair of stops. The stops are separately located along a circular arc which is c... | 05/02/1995 |
| 5382771 | Method for manufacturing galvanized bar segments, in particular for latticeworks or three-dimensional frameworks To render more economical the manufacture of galvanized bar segments 10 illustratively used for three-dimensional frameworks, the components of the bar segments 10, namely the hollow bar 11 and the end pieces 12, are galvanized before being assembled. The... | 01/17/1995 |
| 5221824 | Work rotating apparatus for laser machining having a hollow output shaft A work rotating apparatus for laser machining has a reduction unit with input and output shafts, and a motor for rotating the input shaft. The output shaft is a hollow shaft having an axial through hole. A work holder, mounted on the output shaft, also ha... | 06/22/1993 |
| 5198636 | Apparatus for machining a hollow cylinder to produce a pattern drum A hollow cylinder, generally a foil, for use in screen printing, is patterned by laser beam machining. The foil is held at its ends and rotated about its axis while a carriage is shiftable along a guide extending on the bed along the cylinder and carrying... | 03/30/1993 |
| 5132502 | Automated apparatus and process for tacking small plates on turboject engine blades An apparatus for the automated tacking of small wear plates to the active faces of a shoulder or fin of a turboshaft engine blade which includes a manipulator for moving a blade from a station having a calibrating device onto a welding jig having means fo... | 07/21/1992 |
| 5075527 | Apparatus and method for welding joint fixtures to a pipe An apparatus and a method for welding joint fixtures to either end of a pipe at a given angles of attachment. A retaining mechanism on both the driver side and the follower side for joint fixtures is provided on either end of a horizontally elongated tabl... | 12/24/1991 |
| 4843213 | Welding and/or cutting machine A welding and/or cutting machine 1 is provided for use on a workpiece 2 formed by a pair of metal sheets 3 in face to face contact. The machine comprises a movable carriage 4 mounted on a pair of drive rollers 5 operable to grip the sheets 3 of the workpi... | 06/27/1989 |
| 4805829 | Positioning device A positioning device having a rotatable and tiltable work table for placing components to be worked on. The device has a frame and a support mounted on the frame having bearings for rotatably supporting a housing. Pivotable linkage arms extend between the... | 02/21/1989 |
| 4786779 | Saw blade segment welding apparatus A welding apparatus for welding hard segments to the circumference of a base of a saw blade. The blade base is clamped between two electrodes of a first electrode unit which can rotate. The segment is clamped by conductive fingers of a second electrode un... | 11/22/1988 |
| 4767910 | Rapid robotic assembly change system A programmed welding control system is provided for welding automatically a variation of different weld patterns on different assemblies. The system includes a rotary table indexed to be moved to home, idle, and weld stations. An assembly of parts to be w... | 08/30/1988 |
| 4644129 | Apparatus and method for edge welding sheet metal A laser welding apparatus and process is provided for edge welding sheets of metal to one another. The laser welding apparatus includes aligners to advance the edges to be welded into the laser beam. The apparatus includes first and second laser welders. ... | 02/17/1987 |
| 4595815 | Process and installation for welding grids for nuclear fuel assemblies For welding a grid formed by sets of plates disposed orthogonally and whose endmost parts are secured to a surround, it is placed in a shaping and mechanically holding frame allowing access to the point to be welded. The frame containing the grid is then ... | 06/17/1986 |
| 4577089 | Automatic welding machine The automatic welding machine has a pair of closely spaced magnetic rollers which grip the surface of a workpiece and which are driven to rotate the workpiece. The workpiece may rest on a support on the end of a double articulated arm. The driven rollers ... | 03/18/1986 |
| 4540872 | Apparatus for rotating a generally cylindrical heavy workpiece for treatment A large generally cylindrical workpiece is supported for rotation and driven by a set of axially spaced floor supported units each including a pair of parallel spaced cradle rolls. The cradle rolls of each unit are supported by a surrounding frame, and a ... | 09/10/1985 |
| 4514613 | Method of an apparatus for welding together metal components In having a method of welding together metal components (A,B) a high restraint geometry (as defined in the Specification) the components are urged into abutment and a high energy density weld is effected at a location in said abutment by means such as a f... | 04/30/1985 |
| 4479602 | Apparatus for the manufacture of hollow cylindrical bodies The disclosure relates to an apparatus for the manufacture of hollow cylindrical bodies by deposit welding, consisting of a supporting body rotatably mounted on bearings at both ends and a hollow cylindrical basic body concentric to the supporting body be... | 10/30/1984 |
| 4471201 | Welding apparatus and method An apparatus and method capable of applying weld material to metal parts on a generally automatic basis. The apparatus and method are uniquely adapted to apply weld material to the journals and crankpins and crank arms of an automotive type crankshaft on ... | 09/11/1984 |
| 4438316 | Noiseless combustion and plasma cutting arrangement The invention relates to a noiseless combustion and plasma cutting arrangnt with a cutter and an associated gridiron- or honeycomb-type bench that is divided into individual cells that are higher than they are wide to reduce the noise that occurs during ... | 03/20/1984 |
| 4431902 | Portable hardbander An apparatus for applying a band of hardened metal around a portion of a drill collar in accordance with conventional MIG or TIG welding processes. The improved hardbanding system comprises an AC power source coupled to a water cooled, MIG or TIG welding ... | 02/14/1984 |
| 4398078 | Finishing of annular articles A method of finishing an annular component such as a brush seal to a substantially uniform wall thickness, and apparatus therefor. Two rollers are mounted with their axes parallel, one roller being spatially fixed and the other biassed by a spring towards... | 08/09/1983 |
| 4393296 | Apparatus for the continuous manufacture of metallic anodes from molten metal Metallic pieces of predetermined shape, e.g., anodes, are continuously manufactured from molten metal, e.g., impure molten copper, by continuously casting the molten metal in an inclined molding cavity (13) formed by two endless moving belts (14) and (15)... | 07/12/1983 |
| 4369349 | Transducer diaphragm elements and methods and apparatus for making same A diaphragm and a first tubular member are combined into a one-piece transducer diaphragm element by electron beam welding. The first tubular member is formed as a first heat sink contacting one major surface of the diaphragm. A second tubular member is p... | 01/18/1983 |
| 4358658 | Laser weld jig A system is provided for welding a workpiece (10, FIG. 1) along a predetermined weld line (12) that may be of irregular shape, which includes the step of forming a lip (32) on the workpiece to extend parallel to the weld line, and moving the workpiece by ... | 11/09/1982 |
| 4343981 | Resistance welding machine A resistance welding machine for progressively welding each of a succession of transverse wires to longitudinal wires at a transverse welding station to and through which the longitudinal wires are incrementally advanced, the machine having a welding unit... | 08/10/1982 |
| 4333001 | Method for welding an impeller A method and an apparatus for welding an impeller by using TIG process are provided in which one of the blades to be welded to a side plate or shroud plate is disposed so as to form a V-channel with the plate, the V-channel being oriented to face upwardly... | 06/01/1982 |
| 4323754 | Welding automotive brake shoes by high frequency resistance welding A method is provided for welding an edge surface of a curved metal brake shoe web to a metal brake shoe table. The brake shoe table surface has a greater radius of curvature than the brake shoe web prior to welding. The method consists of the steps of pos... | 04/06/1982 |
