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| Number | Title | Issue Date |
| 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, being congruent. The right clasp is generally square cornered J-shaped,... | 02/16/2010 |
| 7410087 | Welding backup systems for heat-sink or purge purposes A welding apparatus is disclosed for use during welding of a tubular metal nozzle to a tank's metal domed cap. The nozzle extends longitudinally between a base end for mating to the tank's cap at an aperture therein and a spaced-away terminal free end. Typically, th... | 08/12/2008 |
| 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 base for movement relative to the collet base in directions generally ... | 07/15/2008 |
| 7320165 | Pipe coupler A pipe coupler gripping each pipe with hand grip actuated clamps, and seating the end of one pipe in the aligned end of another pipe using leverage plates having a slot or channel with a drop notch, facilitating additional leveraging. ... | 01/22/2008 |
| 7243438 | Template for checking the geometry of shaped and/or bent profiles The invention relates to a template for checking the geometry of shaped and/or bent profiles (T) having rectilinear sections and bent sections. This template comprises a support plate (2), in which holes (8-10) are provided, and a superstructure... | 07/17/2007 |
| 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 |
| 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 |
| 7089887 | Water wall fit up tool The water wall fit up tool will fit a wide range of tube panel sizes such as ⅞ inch through 3¼ inch tube sizes. It uses the adjacent tubes to force the tube panel into alignment. One unit can fit up two tubes yet can be used in conjunction with two or more tools.... | 08/15/2006 |
| 7048174 | Adaptable spring force clamping apparatus and methods Adaptable spring force clamping apparatus and methods are disclosed. In one embodiment, an apparatus includes at least one elongated member adapted to be positioned proximate to a surface of a work piece. The elongated member includes first and second end portions a... | 05/23/2006 |
| 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 slidably engages the anchor member. A force applicator element of the cl... | 01/10/2006 |
| 6976298 | Methods and apparatus for connecting tubulars using a top drive An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a stator attachable to said top drive, and a supporting member for supporting a tool, wherein means are provided to allow substantially horizontal movement of said s... | 12/20/2005 |
| 6966104 | Reinforcing bar tool and method A tool for forming a high strength reinforcing bar coupling driving self-locking wedge sleeves over each end of a contractible jaw assembly bridging the abutting ends of the bar to be joined. The sleeves are seated in collars engaged by the distal ends of arms drive... | 11/22/2005 |
| 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 |
| 6931715 | Pipe assembly table A device to facilitate assembly of plumbing pipes and fittings comprising a frame, a plurality of laterally extending crossbars, and at least one transversely extending pipe jig. The frame has at least a longitudinally elongated rail. The plurality of laterally exte... | 08/23/2005 |
| 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 and expanding copper back-up tiles. Drive wheels are deployed by a hyd... | 07/12/2005 |
| 6916026 | Powered turntable with universal, self-adjusting chuck for holding auto wheels and the like for polishing A new and improved powered rotating turntable with a universal, self-adjusting chuck for holding auto wheels and the like for polishing, which includes a pneumatically-adjusted, self-centering metal chuck for gripping and holding specialty wheel rims of motor vehicl... | 07/12/2005 |
| 6840433 | 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 tightly with the help of second clamping means in which the first a... | 01/11/2005 |
| 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 lying in a single plane for positioning between the ends of the piping c... | 11/30/2004 |
| 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 |
| 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 sleeve body. The sleeve body helps establish a welding gap between the... | 04/13/2004 |
| 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 surface tapering axially inward toward the joint. Respective ar... | 12/16/2003 |
| 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 apparatuses, to encompass and secure the first workpiece, and al... | 11/25/2003 |
| 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 |
| 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 member having a first and second end and of such length as sub... | 11/04/2003 |
| 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 magnetically retained fitting to be tack welded to the cut hole at t... | 11/04/2003 |
| 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 the touching members are mounted on a common supporting memb... | 06/03/2003 |
| 6533246 | Shoe clamp A clamping apparatus is provided with a shoe mountable on a work surface, and a clamp having a foot adapted for removable engagement with the shoe. Also provided is a method of clamping a workpiece in a fixed location with respect to a work surface includ... | 03/18/2003 |
| 6450395 | Method and apparatus for friction stir welding tubular members There is provided an apparatus for forming a weld joint between abutting ends of first and second tubular members. The welding apparatus includes a support ring defining an aperture therethrough. The support ring has first and second sides defining a chan... | 09/17/2002 |
| 6435495 | Back-up clamp component A back-up clamp component for use in a back-up clamp and adapted to fit with other sections of the back up clamp, the component carrying a number of shoes which can be moved radially inwardly and outwardly, each shoe being connected to a respective piston... | 08/20/2002 |
| 6425709 | Line up of pipes or pipe components A line up and connection installation comprises an elongated pipe receiving structure, a line up device for lining up double-walled pipes or pipe components and a connection station for connecting the lined up pipes or pipe components. The line up device ... | 07/30/2002 |
| 6398100 | Back-up clamp A back-up clamp suitable for backing up a weld to be formed between adjacent pipe lengths in a pipeline, the clamp having a rigid clamp body, at least one set of clamping members mounted upon the clamp body, a set of back-up shoes mounted upon the clamp b... | 06/04/2002 |
| 6386421 | Actuation system for an internal backup ring assembly An actuation system for a clamping assembly for use in a pipe clamping apparatus, including a shaft and an actuator defining an actuator chamber having a peripheral chamber wall. The actuator is movably mounted about the shaft such that the shaft extends ... | 05/14/2002 |
| 6349869 | Welding clamp A welding clamp is provided which attaches along its base portion to the receiving plate of a conventional jackstand. An upright member extends from the base and is angled in a direction which extends toward a vertical axis defined by the jackstand. The s... | 02/26/2002 |
| 6283361 | General-purpose jig A general-purpose jig is provided which includes a base, a locational holding device mounted on the base and having a tripod robot that includes three expansion actuators, and a clamp attached to the locational holding device. The position of the clamp ca... | 09/04/2001 |
| 6220498 | Apparatus and method for welding and inspecting coiled tubing An apparatus and method for use in welding together sections of coiled tubing (6) in the oil industry, wherein the apparatus has a container (14), legs (12) which can be adjusted to adjust the height of the container (14), welding apparatus in the contain... | 04/24/2001 |
| 6161296 | Alignment device for use in welding An alignment device for use in welding which includes a saddle style support which rests upon a first pipe. A second pipe is clamped to the saddle style support in an orientation substantially perpendicular to the first pipe upon which the saddle style su... | 12/19/2000 |
| 6098866 | Diffusion bonding apparatus for pipes A diffusion bonding apparatus for pipes that are supplied downward from above comprising a lower block for holding a lower pipe and an upper block for holding and pressing an upper pipe against the lower pipe. In the apparatus, three or more hydrraulic cy... | 08/08/2000 |
| 6070784 | Contact backup roller approach to FSW process A welding apparatus (28) for forming a circumferential weld (56) includes a base (30) and a spindle (32) extending perpendicularly from the base. Along the spindle, at its proximal and distal portions, first and second workpiece supporters (38, 40) are pr... | 06/06/2000 |
| 6039235 | Pipe aligner having flexible linkages A tool for aligning a pair of pipes in abutting, axial alignment with one another includes a pair of pipe-contacting members disposed on opposite sides of the pipes in diametrically opposed relation to one another. The pipe-contacting members are intercon... | 03/21/2000 |
| 6016948 | Method of forming pipe spigot ridge A method of forming a ridge around the outer circumference of a spigot formed at an end of a pipe. A ring having a certain wall thickness in its radial direction and formed with a peripheral groove on its outer circumference is placed around the outer cir... | 01/25/2000 |
