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| Number | Title | Issue Date |
| 7172105 | Apparatus for positioning pipe and tubing A counterweight assembly is especially adapted for mounting to a spinner tool allowing a workpiece to be balanced when rotated during welding or other operations. The counterweight assembly has an adjustable counterweight to provide a necessary amount of counterbala... | 02/06/2007 |
| 7156276 | Apparatus and system for welding preforms and associated method An assembly for positioning a structural assembly for friction stir welding, and a system and method for friction stir welding the structural assembly are provided. The assembly includes a frame defining an aperture therein, and at least one structural member positi... | 01/02/2007 |
| 7028879 | System for depositing connection sites on micro C-4 semiconductor die A semiconductor die having multiple solder bumps, each having a diameter less than about 100 microns, and the method for making such a die are described. The pitch between the solder bumps is less than 100 microns. A thermal solder jet apparatus is utilized to depos... | 04/18/2006 |
| 6871771 | Automated header brazing machine A machine for determining the location of junction tubes along a header and automatically brazing them to the header. A chassis is employed to hold the junction tubes and header in the proper orientation. A carriage then travels along a line which is parallel to the... | 03/29/2005 |
| 6772937 | Method and apparatus for applying viscous material By using an application unit having: a storage chamber for a viscous material; a discharge hole, for the viscous material, provided so as to communicate with the storage chamber, where a viscous-material feeding device for feeding the viscous material to the storage... | 08/10/2004 |
| 6531683 | Boom control system A boom control system having rotational and elevation control of the boom. The boom is utilized in a welding apparatus utilizing a conduit to deliver the welding material to the work piece. The elevation of the boom may be adjusted by discrete steps, with... | 03/11/2003 |
| 6259052 | Orbital friction stir weld system This invention is an apparatus for joining the ends of two cylindrical (i.e., pipe-shaped) sections together with a friction stir weld. The apparatus holds the two cylindrical sections together and provides back-side weld support as it makes a friction st... | 07/10/2001 |
| 6196440 | Method and tool for imprinting a pattern in a solder A tool (40) for imprinting a pattern in a has a handle (42). A stamp (44), connected to the handle (42), has a pattern (54) formed on a face (52) of the stamp (44). The face (52) of the stamp (44) forms a concave surface.... | 03/06/2001 |
| 6182882 | Angled transducer-dual head bonder for optimum ultrasonic power application and flexibility for tight pitch leadframe A method of bonding wire between at least one pair of bond locations in a semiconductor device and the bonder. A conveyor is provided having a conveying surface for conveying in a predetermined direction a partially fabricated semiconductor device having ... | 02/06/2001 |
| 6173880 | Friction stir weld system for welding and weld repair A friction stir weld system for welding and weld repair has a base foundation unit connected to a hydraulically controlled elevation platform and a hydraulically adjustable pin tool. The base foundation unit may be fixably connected to a horizontal surfac... | 01/16/2001 |
| 6029879 | Enantiomorphic friction-stir welding probe A friction-stir welding probe tip is disclosed which has right-handed threads on one portion of the probe and left-handed threads on another portion of the probe such that weld material is drawn to the middle of the weld as the friction-stir welding probe... | 02/29/2000 |
| 6017812 | Bump bonding method and bump bonding apparatus The present invention provides a bump bonding method that can prevent bumps from being inappropriately shaped. The bump bonding method comprises forming a gold ball (16) at the tip of a gold wire (1) that is inserted through a capillary (3), lowering the ... | 01/25/2000 |
| 5996878 | Method of welding 5-G pipe A method for welding horizontal pipe along the inner diameter of the pipe and outer diameter of the pipe to prevent weld root defects on the bottom half of the pipe.... | 12/07/1999 |
| 5944248 | Apparatus for processing curved surfaces An apparatus for processing curved surfaces, in particular a pipe surface, using processing means which are guided over that surface at a distance thereabove by means of a guide to be pre-arranged on that surface, wherein the guide consists of a flexible ... | 08/31/1999 |
| 5833126 | Apparatus and method for resurfacing mill components An apparatus for repairing curved grinding surfaces in bowl mill coal pulverizers by welding hardfacing material onto the grinding ring surface. The inventive apparatus includes novel guide structure imparting an arcuate motion to the welding torch as it ... | 11/10/1998 |
| 5697544 | Adjustable pin for friction stir welding tool A stir friction welding tool with a variable length pin relative to the shank of the tool is disclosed. The pin is moveable from a totally retracted position relative to the shank such that the shank may engage a workpiece without the pin engaging the wor... | 12/16/1997 |
| 5582753 | Method of heating a strip-shaped carrier in an oven and device for fastening at least one component on a strip-shaped carrier A method, oven, and device for heating a strip-shaped carrier in an oven, which carrier is passed through the oven by a transport device, while the oven is displaced in a direction opposed to the transport direction when a malfunction is detected in the s... | 12/10/1996 |
| 4869417 | Automatic build-up welding machine for track rollers An automatic build-up welding machine for repair of workpieces such as track rollers. The machine requires no operator in charge during the welding operation. The apparatus comprises a device including a pair of guides, and a switch box connected adjustab... | 09/26/1989 |
| 4775092 | Method and apparatus for building a workpiece by deposit welding A method and apparatus for building an axially symmetrical workpiece of desired geometry by deposit welding which uses a translatable welding head for depositing molten weld material and a rotatable, reusable shoe which translates with the welding head. T... | 10/04/1988 |
| 4750663 | Apparatus and method for fabricating plate web girders An apparatus and method for fabricating plate web girders of the ind comprising two flanges spaced apart by a web. The apparatus comprises a plurality of welding devices each mounted on respective spaced apart guides to follow a respective portion of a we... | 06/14/1988 |
| 4660753 | Automatic welding apparatus An automatic welding apparatus for forming a circular bead along a circumference of a first workpiece at its junction with a second workpiece in order to weld the former to the latter, comprising a turntable, clamp members for clamping the second workpiec... | 04/28/1987 |
| 4513902 | Apparatus for the automatic welding of complex shapes Apparatus for automatic welding of complex contours made up of rectilinear and curvilinear portions. Such apparatus includes first and second movable carriages guided for reciprocation in directions parallel to each other and having a welding torch, a dri... | 04/30/1985 |
| 4445850 | Machine for heating elongated flat surfaces A machine for heating elongated flat surfaces comprising an elongated supporting framework having on its upper portions peripheral ledges for supporting edges of an elongated flat plate to be heated, parallel tracks beneath said ledges running lengthwise ... | 05/01/1984 |
| 4392604 | Panel welding system An integrated welding torch and work positioning roller head assembly is mounted for controlled movement on a cross travelling gantry carriage overlying a vacuum hold-down bed that supports a workpiece panel. The torch and roller head assembly has two rel... | 07/12/1983 |
| 4328412 | Motor-driven welding machine A motor-driven welding machine capable of holding and carrying a welding torch stably along a welding line, the machine including adjusting means for varying the mounting position of a welding torch or the inter-axle distance of carriage wheels according ... | 05/04/1982 |
| 4290544 | Apparatus for deforming an object and securing it to a support member A mirror mounting is described in which a plane rectangular reflecting strip is deformed along the two longer edges thereof so that it is approximately tangent to the ideal mirror while the strip remains substantially flat in the direction of its shorter ... | 09/22/1981 |
| 4221319 | Apparatus for welding metal grating structures An apparatus for welding a metal grating structure is characterized by a fixture for holding a metal grating in aligned relationship with a nosing and side plates therefor, and a plurality of welding guns for automatically welding the grating, side plates... | 09/09/1980 |
| 4205774 | Device for welding tubes to pipe A device for automatically welding a tube onto a pipe of larger diameter is the subject of the present invention. Tack welding is achieved by two welding torches located on opposite sides of the tube and spaced apart longitudinally a distance equal to the... | 06/03/1980 |
| 4014495 | Automatic welding apparatus An automatic welding apparatus comprising a workpiece fixture carried by a moving member for rotation about a horizontal axis extending in a back and forth direction, said moving member being provided on a carriage for sliding movement in a lateral direct... | 03/29/1977 |
| 4010886 | Means and methods for making a spiral muffler Apparatus for making a spiral muffler includes a mandrel for spirally winding a metal strip while maintaining a predetermined spaced relationship between the wound portions, with the strip being welded to a pair of side plates as it is wound.... | 03/08/1977 |
| 3946933 | Plant for applying and welding reinforcing elements onto a metal plate A plant for applying and welding stiffeners onto a plate is disclosed. The plant includes a welding station, a buffer station and a carriage movable between the buffer station and the welding station, the carriage being suspended in a cantilever beam exte... | 03/30/1976 |
