Matches 1 - 50 out of 189 1 2 3 4 >


Match Document Document Title
8955733 Internal pipe line-up clamping module  
A clamping module for a pipe line-up system uses bell crank linkages to transmit pipe alignment and clamping forces between radially moving clamping feet and a central axially moving driving head....
8950649 Apparatus for brazing radial bearings and related methods  
Apparatuses and methods are provided for manufacturing bearing assemblies. In accordance with one embodiment, a fixture is provided for use in brazing bearing elements to a bearing ring. The...
8864012 Method and apparatus for the welding of pipes  
Two pipes are arranged end to end, the pipes being shaped such that a groove is defined between the ends of the pipe. A plurality of welding torches are used to weld in the groove, such that at...
8746536 Weld stress compensation system  
Weld stress compensation system and method comprising: 1) a primary tube/rod clamp; 2) a secondary tube/rod clamp for selectively and accurately, angularly positioning the secondary tube relative...
8714433 Welder track ring clamp  
Exemplary embodiments of welding track clamps are disclosed herein. These track clamps provide several new features including, without limitation, alternate methods and apparatuses for adjusting...
8708216 Remote-controlled joining system  
A remote-controlled joining system for subsea pipelines for joining two smooth pipeline ends (pipe ends) that are arranged facing in line a distance apart. The system includes an apparatus...
8647731 Purge dam for retaining purge gas around a weld zone  
A purge dam for retaining a purge gas around a weld zone includes a purge dam structure configured to substantially obstruct an air passage leading to the weld zone. The purge dam includes a main...
8622277 Apparatus for welding a flange of a guide thimble tube in nuclear fuel assembly  
Disclosed therein are an apparatus for and a method of automatically welding a flange to a guide thimble tube in a nuclear fuel assembly. The automatic welding apparatus includes: a welding part...
8590769 Position adjustable grapple attachment  
An attachment that is configured for attachment to an arm of a piece of construction equipment. The attachment includes a pair of grapple mechanisms mounted on a main beam. Each grapple mechanism...
8550326 Expandable mandrel for use in friction stir welding  
A mandrel that provides a counter-force to the pressure exerted on the outside of a pipe or other arcuate surface by a friction stir welding tool, wherein the mandrel is expandable through the use...
8534530 Inflatable ring for supporting friction welding workpieces, and associated systems and methods  
Inflatable rings for supporting friction welding workpieces, and associated systems and methods. A support assembly for joining multiple workpieces in a representative embodiment includes a...
8464410 Rack type pipe feeder for a pipe fusion machine  
A rack feeds sticks of pipe to a machine for serial fusion to the trailing end of a pipeline. Multiple independent spaced apart feeders support transverse bundles of sticks of pipe on beams. Legs...
8348253 Modified boiler wall tube tool  
A boiler wall tube tool comprises a pair of opposed clamp members, each one of the clamp members having a nose intermediately disposed between a recess and a planar or inclined wall, and an...
8328071 Position adjustable grapple attachment  
An attachment that is configured for attachment to an arm of a piece of construction equipment. The attachment includes a pair of grapple mechanisms mounted on a main beam. Each grapple mechanism...
8313016 Method and device for positioning a first pipe with respect to a second pipe  
This invention relates to a method for axial positioning of a first pipe with respect to a second pipe for the welding of said pipes at their ends thereof of which the faces have been previously...
8266776 Structural connection aligning device and method of use thereof  
A device and method of use for aligning structural elements to be connected is presented. In particular, the present invention relates to providing an end of a first structural element and an end...
8246005 Electromagnetic fuel injection valve and method of manufacturing the same  
In an electromagnetic fuel injection valve in which: a suction tubular part projecting toward an inside of a nonmagnetic cylindrical body is provided to a front end portion of a stationary core;...
8141764 Friction stir welding apparatus, system and method  
A friction stir welding system is provided herein. More specifically, traditional friction stir welding requires a rotatable head that is forced against a plurality of work pieces to bond the...
8136715 Internal pipe clamp alignment guides with purge backup  
This invention relates to an apparatus for clamping adjacent ends of pipe sections to be welded, the apparatus comprising a plurality of clamping members movable between retracted and extended...
8132708 Friction stir welding apparatus, system and method  
A method of performing friction stir welding is provided herein. More specifically, traditional friction stir welding requires a rotatable head that is forced against a plurality of work pieces to...
8123104 Friction welding apparatus, system and method  
A friction stir welding apparatus is provided herein. More specifically, traditional friction stir welding requires a rotatable head that is forced against a plurality of work pieces to bond the...
8056797 Expandable mandrel for use in friction stir welding  
A mandrel that provides a counter-force to the pressure exerted on the outside of a pipe or other arcuate surface by a friction stir welding tool, wherein the mandrel is expandable through the use...
7942307 Apparatus for applying metallic cladding to interior surfaces of pipe elbows  
An apparatus for applying a helical cladding bead to the interior surface of a pipe elbow has a rotor mounted to an elbow carriage so as to be rotatable about a primary axis. The elbow carriage is...
7909227 Cryosurgical probe with vacuum insulation tube assembly  
A vacuum insulation tube assembly which is utilized as a component in a cryosurgical probe. The vacuum insulation tube assembly includes an inner tube; and, an outer tube concentrically positioned...
7909226 Device for producing a longitudinally welded hollow profile using a holding-down device  
A method for producing a longitudinally welded hollow profile from a sheet metal blank having defined longitudinal edges, in which the sheet metal blank is initially preformed into an open seam...
7815093 Guiding device  
The present invention relates to a guiding device (40) configured to guide equipment units for joining pipe sections which are arranged in a substantially upright position. The guiding device...
7810696 Internal pipe clamp alignment guides with purge backup  
This invention relates to an apparatus for clamping adjacent ends of pipe sections to be welded, the apparatus comprising a plurality of clamping members movable between retracted and extended...
7784666 Method and apparatus for positioning plate members to be butt-welded  
Plate members 17 are respectively rested on first and second tables 1A and 1B relatively movable toward and away from each other. The plate members 17 are caused to abut against reference...
7780065 Method and device for welding pipes  
A method for welding a plurality of pipes, including first, second and third pipes, to each other, the method comprising the steps of: (a) providing a clamping apparatus comprising a rigid frame,...
7735709 Apparatus and method for joining pipe ends together  
A method and apparatus for joining pipe sections (102, 104) together to form an underwater pipeline. The pipe sections (102, 104) are in an abutting position and have a generally vertical...
7699207 Welding backup systems for heat-sink or purge purposes  
An internal ring assembly for welding backup against internal hoops of pipes or tanks has a chain assembly of diverse cells. A majority of the cells include a tile of conductive metal for abutting...
7673786 Welding shield for coupling heaters  
Systems for coupling end portions of two elongated heater portions and methods of using such systems to treat a subsurface formation are described herein. A system may include a holding system...
7661574 Orbital tube welding clamping fixture support  
A clamping means support for use with orbital tube welding that resists the outward flexure of abutting tubes is provided. The invention generally is comprised of a left clasp and a right clasp,...
7617963 Apparatus and method for repairing welded elbow joints in a core spray line  
A clamp assembly is disclosed that can be remotely installed to structurally replace the P4a and P4b welds that join a short radius elbow to the core spray horizontal pipe and the vertical...
7540401 Method and device for welding pipes  
Method for welding piped (2, 3) to each other, in which the outer side of the one pipe is engaged tightly with the help of first clamping means and the outer side of the other pipe is engaged...
7398909 Pipe collets  
A collet for holding a workpiece having an axis includes a collet base defining a collet axis. A plurality of contact points that are not integral with the collet base are supported on the collet...
7195143 Boiler tube alignment clamp  
A boiler tube alignment clamp with a clamp body having a V-shaped channel and two U-bolts bolted to the clamp body opposite the V-shaped channel for use in aligning and holding in place two...
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...
6983525 Alignment clamp  
To align the edges of plates prior to joining them, a generally cylindrical anchor member is spot welded at one location on one of its rims to a plate. A mounting element of a clamp body member...
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...
6915943 Tetherless internal line-up unit for pipeline welding  
A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes...
6824038 Method and tool for aligning piping components  
A pipe aligning tool is provided for providing proper alignment and spacing between two piping components to be welded together in an end to end abutted relationship. The tool includes a spacer...
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....
6719186 Method and apparatus for end-to-end welding of lined pipe  
A weld shield device for facilitating end-to-end welding of two pipe segments having fiberglass liners. The weld shield device includes an insulation material applied about the outer surface of a...
6662994 Jig for welding pipe ends  
A jig for coaxially welding together a pair of generally coaxial tubular pipe ends meeting at a joint has a pair of support bodies in the pipe ends flanking the joint and each having an outer...
6651967 Alignment clamp  
A clamp for aligning the confronting ends of two or more workpieces, preparatory to their permanent joining. This clamp utilizes a chain of cruciform cross-section, and one or more alignment...
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...
6641029 Guide assembly for cutting torch  
A holder secured to the tip of a cutting torch supports a guide about which a hole is to be cut in a steel pipe or sheet. A fixture, magnetically attached to the pipe or sheet supports a...
6641124 Pipe aligning device  
A clamping device for aligning confronting ends of a pair of pipe members having a joint therebetween, provides a support member for acting against one of the pipe members, a flexible clamping...
6572002 Device for the positioning of an operating member, and a welding apparatus using the same  
A positioning device in which an operating member is solid with a mechanical touching member and is displaced together with it by computer controlled displacement devices; both the operating and...

Matches 1 - 50 out of 189 1 2 3 4 >