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7552610 |
Thread forming method, thread forming device, and thread forming tool
A thread forming device 10 a is provided with a thread forming tool 32 for forming a thread portion 14 at a frame 12 , a first motor 38 for controlling to rotate the thread forming tool ...
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7478548 |
Reaming apparatus
Tubing reaming apparatus comprises a housing adapted to be mounted to tubing to be reamed. The housing provides mounting for a reamer shaft adapted to mount a cutter within the tubing. The housing...
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7441433 |
Tool for forming threaded hole in a hydroformed part
A tool forms a threaded hole in a hydroformed part while the part remains in a hydroforming die cavity and under pressure. The tool has a hole-piercing end portion adapted on advancement of the...
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7284325 |
Retractable finning tool and method of using
An improved tool and method for enhancing the surface of a heat transfer tube are provided. The tool, which can be easily added to existing manufacturing equipment, includes cutting bits that may...
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7249482 |
Electrode texturing tool and method of use thereof
An article for texturing an electrode having a tip hardness and a tip contour is disclosed. The article includes a plate having an upper surface and a lower surface, and an indentation in at least...
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7159428 |
Pre-beading method and apparatus
A pre-beading apparatus for fashioning a cylindrical includes a housing have a work surface and an aperture formed in the work surface, where the aperture is capable of accommodating the...
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7134303 |
Device for socket-deforming a tube end and for adjusting its length
A device ( 1 ) for socket-deforming an end of a tube, for example a tube of a heat exchanger, and for cutting that tube to a desired length, the cutting taking place at the end to be deformed. The...
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7003995 |
Hydrotapping power unit
A hydrotapping power unit is disclosed that is operable to hold a hydrotapping tool in a home position adjacent a part while the latter is being hydroformed in a die cavity, to then advance the...
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6959575 |
Kurling tool
A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular...
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6848438 |
Internal combustion engine exhaust device and method for making same
An internal combustion engine exhaust device. The device includes a conduit element through which exhaust gases flow. The conduit element includes a housing for mounting a measurement sensor such...
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6688149 |
Component with a hub, and a non-cutting production method therefor
A method for the non-cutting production of a hub with a stepped hole, the method steps comprising: providing a metal round blank having a throughhole; providing a patch block in the throughhole and...
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6647839 |
Method of forming an integral tubular projection in a work by spinning and a product produced by the same
A method of forming an integral tubular projection in a disk-shaped work by spinning is provided. In the method, h=0.1 to 0.5t, d=0.25 to 0.94D, T=0.5 to 7h, and V=0.029 to 0.234πD 2 h where h is...
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6615632 |
Parting tool
A parting tool for continuous chipless separation of identical parts from a rotation-symmetric workpiece, includes a cutting roller having a main body advancing a workpiece in a transport direction...
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6598443 |
Blind bore hub and method of forming
A method for forming a hub having blind bore with an elevated blind bore face is provided. The blind bore face is elevated relative to the upper surface of an annular disc from which the hub is...
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6584822 |
Method for working a workpiece
The invention relates to a process for working a workpiece held between a counterholder and a guide by a clamping force by forming a profile, e.g. precision toothing, in a surface of the workpiece...
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6536253 |
Slotting method, slotting device, and method of manufacturing metal sheet brake shoe by slotting
The present invention provides a slotting method in which, during production of a metal sheet V-pulley or the like, slitting can be correctly easily performed at an arbitrary position in the...
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6484401 |
Gear part and method for forming a gear part
A gear part and method is provided for forming a gear part, in which a circular blank-like workpiece is fixed in a flow-forming machine in a radially inner area, the circular blank-like workpiece...
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6434991 |
Flow-forming method and apparatus
A method for flow-forming a part having an inner collar and an outer collar surrounding the inner collar, including clamping a workpiece having a radial section to a spinning tool in a flow-forming...
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6427329 |
Method of forming a hub with blind bore
A method for forming a hub having blind bore is provided. The blind bore hub is formed integrally with a solid circular disc by displacing metal radially inward from the upper surface toward the...
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6427508 |
Automated collar-forming drill mechanism
An automated collar-forming drill mechanism, having the bottom end of its rotatable drive shaft ( 1 ) fitted with a tool head ( 2 ), which is driven axially back and forth by means of a...
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6378184 |
Apparatus and method for manufacturing ducts
The invention provides a machine and methods for automated manufacture of tapered adjustable ducts, and particularly tapered adjustable take offs. A tube of material is cut into gores of...
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6367300 |
Sprocket with thin body and grooved teeth
A sprocket includes a body, and teeth formed on the peripheral edge of the body. The teeth have a thickness greater than that of the body. This design enables the use of the existing chain and...
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6105227 |
Apparatus and methods for manufacturing ducts
The invention provides a machine and methods for automated manufacture of tapered adjustable ducts, and particularly tapered adjustable take offs. A tube of material is cut into gores of...
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6105410 |
Method for forming a hub disk and metal spinning roller for use in the forming of a hub disk
The invention relates to a method for forming a hub disk, in which a circular blank-like workpiece is placed in a flow-forming machine and fixed with at least one overarm support, an area of the...
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6012318 |
Method of producing a sheet metal pulley for a V belt
The present invention relates to a method of producing a sheet metal pulley for a V belt without cutting which may impair the environment of a factory. A sheet metal pulley for a V belt which is...
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5987952 |
Method for making a hub/pulley with a radially inward annular collar
A method for making a hub/pulley by spin forming from a disc including forming an annular collar extending radially inward of the hub and defining a blind bore of the hub.
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5979203 |
Apparatus for spin-forming a circular body from a flat blank metal workpiece
A machine has upper and lower die members which clamp a disk blank between them and maintain the disk blank axially on a machine vertical axis and planarly on a machine horizontal axis. The die...
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5974848 |
Rolled-formed seat and retainer for a fluid-tight ferrule seal on a rigid metal tube which is harder than the ferrule, method and apparatus
A tool and method for roll-forming a seat and retainer with a shoulder and seal surface capable of operatively engaging a ferrule to form a fluid-tight seal around the outer surface of a rigid tube...
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5927121 |
Method for the manufacture of a gear part
A method of manufacture of a gear part with a bottom area and a circumferential area, which has two portions. One portion extends to one side of the bottom area, while the other portion extends to...
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5903974 |
Method of and apparatus for producing hollow ring groove insert for engine piston
A method of and apparatus for producing a hollow ring groove insert for an engine piston, which is inserted by casting near the top of a piston for an engine to constitute a ring groove and a...
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5829291 |
Apparatus and process for forming metal member including bases portion and cylindrical portion formed on outer surface of the base portion such that the cylindrical portion is integral with the base portion
An apparatus for forming a metal blank into a formed body, including a die device including a first and a second die each of which is rotatable about a first axis line, a first roller which is...
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5794340 |
Method for the manufacture of a vehicle wheel
The invention relates to a method for the manufacture of a vehicle wheel with a wheel body and a rim having at least one undercut. In order to provide a simple, inexpensive method for the...
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5782122 |
Spinning roller for splitting a rotationally symmetrical workpiece
A spinning roller for splitting rotationally symmetrical workpieces on a spinning machine is provided. The spinning roller is formed as a double splitting roller having two splitting edges arranged...
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5725698 |
Friction boring process for aluminum alloys
A friction boring process creates a corrosion resistant fine grain microstructure in the wall surfaces of holes bored in aluminum alloy materials. A rotating tool is inserted directly into the...
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5724851 |
Method and apparatus for forming a leaf spring eye
Apparatus (100) and method are provided for forming an eye at the end of a heated leaf spring blank (2). Apparatus (100) includes a forming plate (16) operative to move angularly downwardly against...
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5718140 |
Method for manufacturing a rotationally symmetrical work-piece of steel
A method for manufacturing a work-piece which is rotationally symmetrical about an axis is provided wherein the work-piece has a spindle and at least one hollow member connected with the spindle by...
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5659937 |
Rolling tool for forming a valve seat retainer
A valve seat retainer is formed having a flange that extends over the valve seat and that applies both a radial and a longitudinal force to the valve seat. The flange extends an order of magnitude...
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5609055 |
Method and apparatus for cutting and notching a hollow pipe
An apparatus for simultaneously cutting and notching a pipe includes an upper knife assembly having a pipe cutting knife and notch cutting knives with cutting edges adjacent a surface of the pipe...
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5606786 |
Apparatus and method for producing pipe and pipe produced thereby
An apparatus and method for perforating corrugated plastic pipe from the inside of the pipe to the outside and the pipe produced by the method. The apparatus has a perforating device attached to an...
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5537850 |
Method of shaping a wheel
A process of making wheels in which a pair of rams press an initial mass of material for shaping a central disc part. A portion of the material is extruded out from between the interface of the...
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5329796 |
Rod stamping machine
A machine combines metal rod chamfering and stamping operations into a single machining operation. Cutting the chamfer on the end of the rod is accomplished by a rotating cutting tool affixed to a...
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5236115 |
Process for the manufacture of a viscous torsional vibration damper
For a torsional vibration damper, whose working chamber, formed by an inner shell (17), an outer shell (19), a rear wall (15) and a cover (13) is provided to receive a seismic ring and viscous...
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5233857 |
Cutting tool for disc-shaped metal sheets
The invention finds application in the field of cutting tools, in particular for the cutting of disc-shaped metal sheets. More precisely, the invention relates to a disk-shaped tool (1) equipped...
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5209094 |
Chamfer and stamp machine
A machine combines metal rod chamfering and stamping operations into a single machining operation. Cutting the chamfer on the end of the rod is accomplished by a rotating cutting tool affixed to a...
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4907433 |
Apparatus and method for adaptive control of a rolling mill
The method of controlling a velocity dependent factor of strip material being processed in a mill includes the steps of simultaneously determining the apparent velocity of material prior to,...
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4865603 |
Metallic prosthetic devices having micro-textured outer surfaces
A prosthesis for implantation in bone is provided which comprises a metal body having an outer surface at least a portion of which includes: (a) a plurality of first recesses, each of the first...
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4771519 |
Machine for metal strip manufacture
Apparatus for manufacturing thin metal strip from a cylindrical metal workpiece includes rotatable workpiece support structure for concentrically mounting the workpiece, drive means for rotating...
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4738565 |
Method of replacing mains
A method for replacing an existing buried pipe of a crackable, fracturable material. By the application of a local intense pressure, the pipe is cracked and fractured into irregular fragments which...
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4719780 |
Tool point and its working method and tool for making and flanging a hole
The invention relates to a tool point as well as to a method and device for making a pipe joint flange in sheet material, like in the wall of a pipe. The tool point is provided with a hole-working...
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4718970 |
Apparatus for stress relief and edge sealing of welded joints in plastic parts
In order to stress relieve exposed portions of plastic welds, and thereby reduce susceptibility of such welds to solvent-induced crazing and cracking, the welded parts are formed with flanges...
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