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Class 72/119 - Including plural tools rotating on angularly related axes


Subclass of Class 72 - Metal deforming
Definition: Subject matter including a plurality of rotating tools turning
No. of patents: 23
Last issue date: 01/29/2008


NumberTitleIssue Date
7322419Circulating sub and method
A control sub for use with a hydraulically operated downhole tool. In an embodiment, the sub comprises an outer sleeve connected to a work string and an inner sleeve slidably engaged to the outer sleeve by matching hex profiles, connected to the downhole tool. Radia...
01/29/2008
7308944Expander tool for use in a wellbore
The present invention generally relates to apparatus and methods for expanding a tubular. In one embodiment, an expander tool includes a body having at least one recess therein. An expansion assembly disposable in the at least one recess includes a piston that outwa...
12/18/2007
7251974Method and forming machine for deforming a hollow workpiece
The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, ...
08/07/2007
7219520Method and forming machine for working a workpiece
An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ...
05/22/2007
7204306Device for installation of a profile liner in a well
A device for expansion and calibration of profile pipes, such as profile liners, with cylindrical threaded ends in their installation in a well. The device has a plurality of in-series connected mandrel assemblies, each of which has a housing with a central straight...
04/17/2007
7174759Forming machine and method for deforming a hollow workpiece
The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work...
02/13/2007
7152445Method and forming machine for working a workpiece
The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, th...
12/26/2006
7063149Tubing expansion with an apparatus that cycles between different diameter configurations
A method of expanding tubing comprises the steps: providing a length of expandable tubing; locating an expansion tool, such as a cone, in the tubing; and applying impulses to the tool to drive the tool through the tubing and expand the tubing to a larger diameter. T...
06/20/2006
6993949Power or manually operated pipe grooving tool
A pipe grooving tool is disclosed having a housing on which a back-up roller and a grooving roller are rotatably mounted. The grooving roller is pivotably movable toward the back-up roller and has a raised tool surface engageable with the outer surface of the pipe. ...
02/07/2006
6935152Orbiting roller groover for pipe
An apparatus and method for forming grooves in a pipe for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture for securing the pipe and a carriage rotatably mounted on the holding fixture. Two arms are pivotably mounted on the ca...
08/30/2005
6907762Method and forming machine for deforming a hollow workpiece
The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated a...
06/21/2005
6702030Procedures and equipment for profiling and jointing of pipes
Methods and apparatus for shaping pipes, tubes, liners, or casing at downhole locations in wells. Use is made of rollers bearing radially outwards against the inside wall of the pipe (etc.), the rollers being rolled around the pipe to cause outward plasti...
03/09/2004
6695063Expansion assembly for a tubular expander tool, and method of tubular expansion
An improved expansion assembly for an expander tool is provided. The expander tool is used to expand a surrounding tubular body within a wellbore. The expansion assembly first comprises a piston disposed within a recess of the expander tool. The top surfa...
02/24/2004
6578630Apparatus and methods for expanding tubulars in a wellbore
The present invention relates to methods and apparatus for expanding tubulars in a wellbore. In one aspect of the invention, an expansion tool with hydraulically actuated, radially expandable members is disposed on a string of coil tubing. In another aspe...
06/17/2003
6457532Procedures and equipment for profiling and jointing of pipes
Methods and apparatus for shaping pipes, tubes, liners, or casing at downhole locations in wells. Use is made of rollers bearing radially outwards against the inside wall of the pipe (etc.), the rollers being rolled around the pipe to cause outward plasti...
10/01/2002
6016678Tube expanding and flange-forming tool
A tool for expanding a tube into engagement with a wall of a hole in a plate and simultaneously forming a flange on the end of the tube has a mandrel having a tapered distal portion. The mandrel receives for rotation and axial displacement a tubular cage....
01/25/2000
5956989Wire twisting device for use in a reinforcement binding machine
For use in a reinforcement binding machine, a wire twisting device is disclosed in which the stroke thereof is extended and the reliability of the operation thereof is thereby improved. A compression spring 34 and a flanged pin 35 which is mounted on a sc...
09/28/1999
5789066Method and device for manufacturing cold rolled metal sheets or strips and metal sheets or strips obtained
Method of producing metal sheets or strips by cold reduction rolling of a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the textured work roll to the...
08/04/1998
5168238Fuel injector circuit tester with rotatable magnifying lens for viewing indicating LEDs
A circuit tester for vehicle fuel injectors uses light emitting diodes which are individually illuminated by the pulse of electrical energy sent to each injector while the vehicles's engine is operating. The housing of the tester may be provided with a lo...
12/01/1992
5076730Earth duct tunnel enlargement apparatus and method
A method of and an apparatus for relieving ground pressure surrounding pvc vent pipes which have been displaced from their T-fitting traps in sewer systems. The round tubular nature of a semi-rigid pipe is changed to an elliptical or oval shape with initi...
12/31/1991
4327567Tubing expander for boiler tubes or the like
An improved expander of this invention is used for expanding tubes into tube sheets and flaring the ends extending therefrom, such as is common practice in the manufacture of boilers. The improved expander includes both straight rolls for expanding the tu...
05/04/1982
4143535Pipe end shaper
An apparatus for performing an operation upon the end of a cylindrical workpiece consists of one or more tools mounted by a frame for rotation about a mounting axis along which the workpiece is moved. Each tool is mounted for longitudinal movement along a...
03/13/1979
4090382Expanding and beading apparatus for tubes and the like
An apparatus is disclosed for expanding and beading the end portion of a steel tube positioned within an opening of a tube sheet for use in boilers, heat exchangers and the like. The apparatus accomplishes the expansion and beading of the tube with relati...
05/23/1978
 
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