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| Number | Title | Issue Date |
| 7434718 | Device for cutting or welding tubular workpieces or the like The invention relates to a device (1) for cutting or welding tubes (3) or similar workpieces, said device comprising a guiding mechanism which is used to control the cutting or welding torch (17) along a pre-determined line and is provided with ... | 10/14/2008 |
| 7414220 | Orbital weld head An orbital weld head includes a metal insert and rotor. The covers are made from mica laminate. A metal spring/brush that is preferably one piece side loads the rotor against the insert. The rotor and insert have interengaging portions, preferably trapezoidal, that ... | 08/19/2008 |
| 7352545 | Compressor terminal fault interruption method and apparatus A compressor terminal fault interruption method and interrupter for disconnecting power to a compressor terminal when terminal venting failure is imminent including a current sensing circuit for sensing current provided to the terminal by a power source and outputti... | 04/01/2008 |
| 7335853 | Method for orbital welding using a pulsed current A method for the orbital welding of tubular elements held in abutment comprising the steps of striking an arc at a strike point with an orbital welder between an electrode and a seam formed by a first tubular element and a second tubular element, held in abutment wi... | 02/26/2008 |
| 7304267 | Method and a device for depositing a welding material in an annular facing machined in a spherical wall Welding material is deposited automatically in the annular facing. A welding torch is causes to rotate about an axis of rotation that extends in a direction that is radial relative to the spherical wall and that passes through a point of the concave inside surface o... | 12/04/2007 |
| 7262385 | Material processing device A device for material processing, such as welding, joining, cutting, inspecting and the like, includes an energy beam source and one or more energy beam transfer devices. The one or more transfer devices may direct an energy beam at one or more predetermined locatio... | 08/28/2007 |
| 7246736 | Supplying shielding gas A flexible articulate tubular device has a shank, a plurality of pivot rings, and a terminus with heat sensors and a fiber optic device. The flexible articulate tubular device is initially positioned, either manually or automatically, near a target weld path with th... | 07/24/2007 |
| 7232974 | All position automatic welding head and method for operating the same A welding head which can easily move the torch portion of the welding head in the circumferential direction and the vertical moving direction of the outer circumference of the to-be-welded tubes even in a narrow gap, includes a torch rotating ring that rotates on th... | 06/19/2007 |
| 7205500 | Non-consumable electrode welding torch and welding head with the torch An ultra-flat non-consumable electrode welding torch which allows performing a welding operation through a narrow gap between adjacent piping such as welding piping of a boiler panel, to be mounted on a compact automatic welding head, and a welding head provided wit... | 04/17/2007 |
| 7199326 | Jig and method for positioning spot welding electrode A positioning jig for a spot-welding electrode includes an attaching portion for temporarily attaching to a workpiece. A positioning portion of the jig is disposed in parallel to a central axis of the attaching portion and spaced from the central axis. The positioni... | 04/03/2007 |
| 7112358 | Self-adhesive purge dam for retaining purge gas around a weld zone A self-adhesive purge dam for retaining purge gas around a weld zone includes a base configured to substantially obstruct an air passage leading to the weld zone and an adhesive skirt extending from the base and configured to engage portions of the air passage. An a... | 09/26/2006 |
| 7105765 | System and method for aligning tubes in an orbital welder A novel orbital welder includes a body defining a tube passage, a weld tip, a rotor, a light source disposed to emit light toward the tube passage such that the emitted light will impinge upon one or more tubes placed in the tube passage, and a detector to detect th... | 09/12/2006 |
| 7105776 | Method and apparatus for welding with start control A method and apparatus for providing welding power with a start control is disclosed. The welding power supply includes a source of welding power, a wire feeder and a controller. The source of welding power has at least one power control input, and provides welding ... | 09/12/2006 |
| 7040524 | Automated packaging apparatus and method of optical elements An automatic packaging method of optical elements includes a focusing platform set, a Z-axis feeder set and an automatic feeding set. The Z-axis feeder set is provided above the focusing platform set. An automatic feeding set is arranged on a horizontal plane betwee... | 05/09/2006 |
| 7026568 | Ceramic weld insulator and metal weld gear combination for an improved micro weld head component of an orbital tube welding apparatus The invention is of an improvement to orbital welding heads and welding systems for welding pipe and tubing butt joints, consisting of a novel combination of materials, including a ceramic weld insulator and a metal weld gear. Such a combination, which has a greater... | 04/11/2006 |
| 6953142 | Method and apparatus for locating and holding a flange Apparatus for locating and grasping a flange include a plurality of clamp arms that move from an unclamped position to a clamped position, clamping the flange to the upper surface of a support platform. A plurality of pins are adapted to move upwardly into flange ho... | 10/11/2005 |
| 6930281 | System for cooling a welding device A liquid-cooled welding device comprising a torch head body having a helical cooling fin extending along a length of the torch head body. A sleeve may be disposed around the torch head body to define a flow channel over the torch head body. The sleeve may have a liq... | 08/16/2005 |
| 6922886 | APT-1 (anode placement tool-model 1) An apparatus designed for installing anode bracelets upon pipes used in cathodic protection systems. The apparatus includes a pair of grasp booms which hold the anode bracelet during installation of the bracelet around the pipe to be cathodically protected. The gras... | 08/02/2005 |
| 6924452 | Welding device and method A welding device and a welding method for butt welding two pipes to be welded are provided. The welding device comprises a welding device body, having an electrode unit with a welding electrode and a fixing clamp for holding the pipes to be welded; and electrode pos... | 08/02/2005 |
| 6919528 | Welding machine and welding method for energy welding of cylinder members In a welding machine and welding method, for welding cylinder members together about an outside diameter, which prevents the cylinder members from being deformed and corrects the deformation of a portion to be welded, a laser beam, generated by a laser generator, is... | 07/19/2005 |
| 6806442 | Method and apparatus for splicing tubular heater sections An apparatus for splicing a heatable section of a tubular heater to a cold section, the heatable section includes an outer sheath, which has a heating element therein. The cold section includes an outer sheath which has a cold pin therein. The apparatus comprises an... | 10/19/2004 |
| 6729529 | System and method for cutting and orbital welding thin-walled tubing A system for providing cutting and orbitally welding thin-walled tubing. The system includes a plurality of clamping blocks that hold the tubing while the tubing is trimmed and orbitally welded. The system further includes at least one tooling plate to which the cla... | 05/04/2004 |
| 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 |
| 6566624 | Welding assembly with nestable conductive ends A welding material in positioned in electrically conductive relation between exterior surface portions of first and second weldable members, such as hydroformed tubes, at a location where the first and second weldable members are to be joined. A welding d... | 05/20/2003 |
| 6559405 | Positioning device for welding electrode A positioning device for positioning a welding electrode near objects to be welded. A laser projects a light ray which is affixed to, and has a known spatial relationship with, the electrode. The laser is adjusted as to position, until the light ray strik... | 05/06/2003 |
| 6459062 | Apparatus and method for precisely aligning and welding two pieces of weldable material Applicant's invention includes an apparatus and associated method for precisely aligning two pieces of weldable material and welding the two pieces, the apparatus contains means for independently securing the two pieces of weldable material and for center... | 10/01/2002 |
| 6433307 | Device for welding cylindrical workpieces The invention relates to a device for welding cylinder-shaped and rotatable elements together. An axially displaceable electrode shaft (1) is provided in a rotatably seated pipe shaft (8). The pipe shaft (8) can be rotated with respect to the electrode sh... | 08/13/2002 |
| 6407355 | Non-planar orbital welder An orbital welder includes a weld tip, a rotational controller, and a translational controller. The rotational controller causes the weld tip to rotate about an axis passing through the tube to be welded. As the weld tip rotates about the axis, the transl... | 06/18/2002 |
| 6380505 | Method and apparatus for welding tubular members The present invention provides a welding apparatus for forming a weld joint between abutting ends of first and second tubular members. The welding apparatus includes a housing having first and second sides defining an interior therebetween. The welding ap... | 04/30/2002 |
| 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 |
| 6346684 | Welding material assembly and method A welding material assembly is constructed and arranged to position a welding material in electrically conductive relation between exterior surface portions of first and second weldable members at a location where the first and second weldable members are... | 02/12/2002 |
| 6156991 | Non-planar orbital welder An orbital welder includes a weld tip, a rotational controller, and a translational controller. The rotational controller causes the weld tip to rotate about an axis passing through the tube to be welded. As the weld tip rotates about the axis, the transl... | 12/05/2000 |
| 6121567 | Apparatus and method for precisely aligning and welding two pieces of weldable material Applicant's invention includes an apparatus and associated method for precisely aligning two pieces of weldable material and welding the two pieces, the apparatus contains means for independently securing the two pieces of weldable material and for center... | 09/19/2000 |
| 6066823 | Semiautomatic tube welding apparatus The present invention relates generally to an apparatus and method for performing tube-to-tubesheet welding within box headers and, in more particular, to a GTAW welding gun that has a long generally tubular barrel which is small enough in diameter to pas... | 05/23/2000 |
| 6060678 | Gas shield strip clad welding system A gas shield strip cladding welding system including a workpiece, a strip of welding material, an enclosure having an opening through which the strip of welding material passes, a feeder for controllably passing the strip of welding material into the encl... | 05/09/2000 |
| 6051803 | Pipe cutting apparatus Plasma arc cutter apparatus for cutting large diameter pipe from within the pipe, a frame with adjustable legs, a locking device to secure the apparatus within the pipe, apparatus to adjust the spacing between the plasma arc and the inside wall of the pip... | 04/18/2000 |
| 6036076 | Continuous section pipe and pipelike structures A system of machined and welded pipe with no connectors or scarfed welds and method to provide a continuous section for pipe and pipe-like structures; displaying electron beam welding for constructing continuous pipe.... | 03/14/2000 |
| 6018136 | System for supervising piping work A system of the invention for supervising piping work comprises a machine for performing piping work such as welding of pipes or tightening of pipe joints under predetermined conditions, check means for checking whether the piping work has been executed p... | 01/25/2000 |
| 5914058 | Method to control starting and stopping a plasma arc welding keyhole An improved plasma arc welding arm method and apparatus for keyhole welding rotating workpieces has an arcuate gear track supporting a corresponding arcuate geared cart bearing a plasma arc welding torch prevents voids in keyhole weld starts and finishes.... | 06/22/1999 |
| 5844190 | Orbital welding apparatus An orbital welding apparatus (B) comprises a modular weld head apparatus (10) including a rotor assembly (20) which carries a welding electrode (26). The rotor assembly is rotated about an axis for welding abutting ends of tubular members positioned in al... | 12/01/1998 |
