Class 269/26 - With equalized pressure on plural (nonopposed) jaws

Subclass of Class 269 - Work holders
Definition: Device including means for interconnecting a supply of fluid
No. of patents: 31
Last issue date: 01/01/2008

Number	Title	Issue Date
7313986	Tubular-drill bit connect/disconnect apparatus An apparatus for rotating a tubular with respect to a drill bit, e.g., for making or breaking a connection between a tubular and a drill bit, the apparatus, in at least certain aspects including a frame, gripper apparatus connected to the frame for gripping and rota...	01/01/2008
7282665	Method and apparatus for processing articles with a laser beam A method for joining workpieces by welding with laser light, in which a plurality of workpieces are arranged between a lower pressure plate and a translucent upper pressure plate on a multiplicity of supporting segments movable in a vertical direction, whereby the w...	10/16/2007
7188547	Tubular connect/disconnect apparatus An apparatus for rotating a tubular, the apparatus, in at least certain aspects including a frame, a rocker assembly connected to the frame, the rocker assembly including a top rocker arm pivotably mounted to the frame, and a bottom rocker arm pivotably mounted to t...	03/13/2007
7125010	Work piece holding arrangement A work piece holding arrangement (10) includes an array of engagement elements (12) for engaging a work piece. The arrangement (10) also includes an actuator (34) for moving a plurality of the engagement elements (12) into engageme...	10/24/2006
7114235	Automated pipe joining system and method A method and apparatus for making and breaking tubular connections at the surface of a well by utilizing a pipe joining system. The pipe joining system includes a movable support frame for supporting and integrating on a rig floor the tools associated with making an...	10/03/2006
7100697	Method and apparatus for reforming tubular connections The present invention generally relates to methods and apparatus for connecting tubulars and reforming the connection between the tubulars. In one aspect of the invention, the tubulars are aligned, connected, and then reformed at the connection. In one embodiment, t...	09/05/2006
7028585	Wrenching tong Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong for gripping the first tubular and a second tong for gripping the second tubular, wherein the first tong is provided with teeth around a peripheral s...	04/18/2006
7028586	Apparatus and method relating to tongs, continous circulation and to safety slips A tong system includes an upper tong having grips for gripping a tubular and a rotation mechanism to rotate the grips and the tubular. A lower tong also has grips and a rotation mechanism to rotate the grips to provide rotation to a lower tubular, such that the uppe...	04/18/2006
6942004	Partition mount In a spring-loaded curtain mount, the mount includes a pole interface at a proximal end, a compressive mechanism, and a head at a distal end. The pole interface is adapted to receive the end of a standard length adjustable pole or a painter's pole. The compression m...	09/13/2005
6170836	Clamping device for securing a draw-in nipple to a clamping plate The invention concerns a clamping device for securing a draw-in nipple (12) to a clamping plate, having a receptacle (11) into which the draw-in nipple (12) is insertable, and having a clamping mechanism in order to immobilize the draw-in nipple (12) in t...	01/09/2001
5954320	Clamping device for a machine tool The clamping device has two jaws between which a workpiece to be machined is immobilized on the table of a machine tool. Each jaw is supported by a carriage, and the carriages are coupled so as to move in a mirror symmetric fashion with respect to a plane...	09/21/1999
5544872	Universal, hydraulic, self adjusting, work clamping device Apparatus for clamping and orienting work relative to a tool, for processing, comprising, in combination two laterally extending longitudinally separated support bars, and connector means connected to and extending between the bars for positioning them in...	08/13/1996
5520377	Clamping device A clamping device for fixing a die on the setting surface of a lateral injection molding machine comprises a clamp main body, plural clamping hydraulic cylinders installed in the output portion at the front end portion of the clamp main body, and a guide ...	05/28/1996
5397114	Clamping device A clamping device for fixing a die on the setting surface of a lateral injection molding machine comprises a clamp main body, plural clamping hydraulic cylinders installed in the output portion at the front end portion of the clamp main body, and a guide ...	03/14/1995
5201894	Balanced force workpiece location means A workpiece location and support means as described which is free from any tendency to locate the workpiece in a predetermined position. The workpiece is supported and located by a series of hydraulic actuators which in one condition permit the workpiece ...	04/13/1993
4930831	Side extension for a toy wagon The side extension of the invention includes first and second extension wall portions each circumscribing one-half of the area defined by the upstanding walls of the wagon body. The side extensions have a groove which is engaged by a lip extending from an...	06/05/1990
4919028	Shearing machine The present invention relates to a shearing machine in which the upper shearing blade can be easily adjusted and positioned. The upper blade is held on a pivotal plate member which is pivotally held on a ram by means of a hinge means to be rotated to adju...	04/24/1990
4850099	Machine tool spindle actuated workpiece clamping system A machining system includes at least one machine tool (10) having at least one powered spindle (12) and a plurality of tools (14A-14F) stored in a magazine (40) for automatic retrieval and return by the spindle (12). A portable fixture assembly (16A, 16B,...	07/25/1989
4537244	Method for optimum conductive heat transfer with a thin flexible workpiece Conductive heat transfer between a thin deformable workpiece and heat sink is optimized by imposing a load over the workpiece resulting in a uniform contact pressure distribution in said workpiece which is also the maximum stress consistent with the elast...	08/27/1985
4535835	Optimum surface contour for conductive heat transfer with a thin flexible workpiece Conductive heat transfer between a thin deformable workpiece and heat sink is optimized by imposing a load over the workpiece resulting in a uniform contact pressure distribution in said workpiece which is also the maximum stress consistent with the elast...	08/20/1985
4508161	Method for gas-assisted, solid-to-solid thermal transfer with a semiconductor wafer Apparatus and method are provided for effecting gas-assisted, solid-to-solid thermal transfer with a semiconductor wafer. A semiconductor wafer is loaded at its periphery onto a shaped platen. Sufficient contact pressure from the loading is produced betwe...	04/02/1985
4457359	Apparatus for gas-assisted, solid-to-solid thermal transfer with a semiconductor wafer Apparatus and method are provided for effecting gas-assisted, solid-to-solid thermal transfer with a semiconductor wafer. A semiconductor wafer is loaded at its periphery onto a shaped platen. Sufficient contact pressure from the loading is produced betwe...	07/03/1984
4456422	Apparatus for handling oval articles Apparatus for handling articles of oval cross section during silk screen imprinting and the like. An oval article is engaged at top and bottom by carriages, each slidingly mounted along a diameter of a rotating support. The article is conveyed past a scre...	06/26/1984
4247092	Apparatus for handling a plurality of signature bundles Apparatus is provided for handling signature bundles. The apparatus is specifically designed to handle at least two signature bundles at once, including ones of different lengths. The apparatus includes a generally C-shaped frame with legs and a connectin...	01/27/1981
4200272	Holder for irregularly shaped articles A work holder for locating a workpiece of arbitrary or irregular shape during treatment comprises a flat horizontal table in which is mounted a two-dimensional array of vertically disposed spaced-apart rods which protrude upwards through the surface and c...	04/29/1980
4170813	Clamp for strapping ingot moulds A method and apparatus for strapping ingot moulds by forcing roughly pre-formed strap sections into pressure contact around the mark of the mould which is to be strapped, and welding the joints between the sections to form a complete strap. The apparatus ...	10/16/1979
4033568	Edge working machine with hold down for sheet metal to be worked A hold down device is disclosed suitable for an edge planing machine for working sheet metal. The hold down device has a plurality of hold down elements arranged in the direction of movement of the sheet metal and in a laterally overlapping relation. A pl...	07/05/1977
4033569	Deformation-preventing workpiece-holding fixture for machine tools For holding while machining the end enlargement or enlargements of an elongated otherwise thin deformable workpiece, such as a jet engine blade, the lower block of a two-part hinged fixture has mechanically-adjustable stops which predetermine the location...	07/05/1977
4018118	High speed precision metal cutting saw assembly Presented is a precision power saw assembly which includes a saw table manufactured to exceedingly close tolerances and on which a circular saw blade and its driving apparatus is suspended. The saw blade is mounted for horizontal translation from one end ...	04/19/1977
3973764	Clamping apparatus Apparatus for clamping a length of a brittle material in preparation for severing thereof into shorter lengths without chipping thereof towards the end of such severing. A pair of bifurcated clamps or clamping members are correspondingly actuated toward e...	08/10/1976
3942778	Automatic contour-conforming support pallet A pallet for providing total and positive support for an object which is being subjected to a force capable of distorting or destroying it if unsupported, the support pallet automatically conforming to the contour of the object. The pallet comprises a plu...	03/09/1976

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Class 269/26 - With equalized pressure on plural (nonopposed) jaws