Matches 1 - 50 out of 77 1 2 >


Match Document Document Title
7987690 Fluid conduits with integral end fittings and associated methods of manufacture and use  
Fluid conduits for plumbing and other uses having integral end fittings are disclosed herein. A method of forming a fluid conduit in accordance with an embodiment of the disclosure includes...
7946147 Tube expanding method and apparatus of damper tube  
In a tube expanding apparatus of a damper tube supporting a thrust force of a punch applied to the damper tube by a stopper at a time of retaining one end of the damper tube by the stopper,...
7770429 Method for producing a coupling on a pipe and device for producing said coupling  
In a method for producing a coupling on a pipe, preferably consisting of copper or steel or Cu—, Ni—, Fe— alloys, by way of a preferably graduated or one-stage expansion of the pipe end to creat...
7275407 Process for producing rotationally symmetrical components  
A process for producing a hollow monoblock shaft from a pipe, the pipe initially having a constant diameter and a constant wall thickness, and the monoblock component including at least one area of...
7254980 Gas supply tube and method of making same  
A metal gas-feed tube for a head air bag automotive vehicle has a sleeve formed on a bent end thereof to fit onto a connecting fitting of a gas generator. That sleeve is formed in part from an...
7062948 Process of end-forming a tube having internal surface features  
A process by which the end of a tube having at least one internal surface feature is reduced and at least a portion of the surface feature eliminated from the tube end while achieving accurate...
6931904 Method of forming a trailer receiver tube using hollow forward extrusion  
A method of forging a trailer receiver tube by providing a die having an inner surface defining a first portion and a second portion. Providing a hollow tube having an outer surface. Providing a...
6843096 Process and device for producing press fittings from steel, in particular special steel  
Special steel press fittings are produced in two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die is upset in order to...
6792782 Method for deforming a tube near one of its ends and tool used in this method  
The invention concerns a method using steps of placing a tube in an opening matrix having an impression corresponding to the desired final external shape; inserting the end of the tube into a...
6782622 Method for manufacturing wheel-supporting hub unit and pressing mold for manufacturing same hub unit  
A cylindrical portion formed in the inside end portion of the hub is caulked and spread using a pressing mold assembled to an oscillating/caulking apparatus to thereby form the caulking portion. In...
6757974 Fuel inlet and manufacturing method thereof  
A fuel inlet comprises an inlet pipe, a breather tube, a retainer, a spiral groove, and the like. The inlet pipe is formed by processing a metal pipe and has an expanded portion, a taper portion,...
6408672 Process for cold forming tube ends  
A process for cold forming the ends of metal tubes to reinforce same includes a die cavity into which the tube is placed. The die cavity includes a section with a recess having a greater diameter...
6327771 Method of forming a flared-end pipe with a reduced resistance bead seal and method of use  
A reduced resistance bead seal is integrally formed on a mounting surface of two matingly engageable members to form a leak-free seal between the two members despite any eccentricity or angular...
6199421 Double flare gauge and forming tool for tubing  
A tool kit for forming a double flare on the end of deformable tubing includes a jig or bar assembly for holding the tubing, a combination gauge and tube forming anvil or adapter and a cone and...
6038771 Method of manufacturing tie rod bar for steering linkage of motor vehicle  
A method of manufacturing a tie rod bar for a steering linkage of a motor vehicle. Between both end portions of a steel pipe material, through a multistage cold forging, there are formed a...
5956988 Process for heading pipe ends and device for implementing it  
The present invention is a novel device and method of shaping an end of a pipe. One end of a pipe is inserted into a shaped die in such a way that the outer surface of the pipe rests against the...
5904063 Tube beading apparatus  
A tube beading apparatus for cold forming an annular external bead on a metal tube, the apparatus having a clamp to secure the tube, a beading die to form the bead and a powered ram to advance the...
5660072 Process for producing a handlebar stem  
A process for producing a handlebar stem includes Steps as follows: (1) providing a handlebar stem raw material piece comprising a cylindrical metal tube with a central axis and a thickened open...
5517843 Method for making upset ends on metal pipe and resulting product  
A method for making an internal upset (20A) on metal drill pipe (10) having a transition section (24A) with a curved inner periphery (28A) of a concave curvature extending continuously between the...
5487294 System for forming end flanges on pipes  
The system increases the diameter to which pipe flanges can be flared. The tendency of the radial wall of the flange to crumple inwards is obviated by coining the transition corner of the wall....
5379625 Method and apparatus for upsetting the ends of steel pipe  
A method and apparatus for working one end of a steel pipe by externally upsetting the end in a first die set and sequentially shifting some of the upset internally by pressing in a second die with...
5375449 Method for forming hollow nutdrivers from tubing  
A method of forming a number of sizes of hollow shaft nutdrivers from a common size metal tube workpiece. The method comprises three steps to form a hex drive socket on one end of a metal tube...
5301414 Process for shaping a reinforcement on the extremities of the internal casing of an elastic joint, after molding, and its applications  
A method for the manufacture of an elastic joint, which includes positioning an external casing member, an internal casing member and an elastomeric compound such that the external casing member...
5257524 Method and device for manufacturing pipe bends  
The method for manufacturing a pipe bend from a straight pipe piece by means of actuating members acting on the outside of the pipe piece and making an open shaping station, the diameter of the...
5203194 Method of forming a trailer hitch receiver tube  
A method of forming a receiver tube for a motor vehicle trailer hitch assembly. The method involves a forming operation in which a length of square tube stock is mechanically formed to define a...
5184495 Method of internally and externally upsetting the end of a metal tube  
A method is disclosed of externally and internally upsetting the end of a steel tube to provide a thicker wall for welding to a tool joint and for providing an internal tapered section having a...
5170552 Method of manufacturing a rolling tower scaffold  
Climbing apparatus including a rolling tower support platform, and method and tooling for the same wherein one of two spaced double walls of each of opposed tower rails of a tower ladder is snugly...
5090611 Method of making a cross joint between pipes  
An improved method of making a cross joint between different size pipes is provided. A punch, die and a pressing machine are prepared. The punch includes a center rest for receiving a small pipe, a...
4910991 Tube end double end forming method and apparatus  
A continuous supply of tubing is fed intermittently into a work station. Partial cuts are made at periodic intervals by a cutoff head that operates in timed relation with tube clamping device. Tube...
4873752 Manufacturing method of the gas-flow valve nozzle of a lighter  
A method of manufacturing gas-flow valve nozzle of a lighter by continuous plastic working processes.
4845972 Method for working the ends of steel pipe by upsetting and pressing  
A method for working at least one end of a steel pipe by upsetting and pressing which comprises an external upset portion having an outer taper being shaped by upset forging, the portion then being...
4796457 Method and apparatus for producing flanged bush  
A method of producing a flanged bush comprising the steps of: preparing a die having a through bore of a configuration conforming with the outer configuration of the flanged bush to be produced,...
4779441 Tube having a flared end  
An apparatus (10) for flaring an end portion (14) of a deformable tube (16), the end portion (14) having an annular burr (18) extending into the tube (16), the apparatus including a conical...
4761982 Method and apparatus for forming a heat exchanger turbulator and tube  
Method and apparatus therefor for forming an inner tube and turbulator for a concentric tube heat exchanger from a stock length of tube comprising the steps of simultaneously mechanically forming a...
4761873 Method of manufacturing a hose stem for hydraulically loaded friction fittings or threaded fittings  
Method of manufacturing a hose stem for hydraulically loaded friction fittings or threaded fittings. A hose stem of this type has a stem end that a hose can fit over, a securing component that...
4739642 Tube forming apparatus  
Tube forming apparatus for forming a tubular part having an enlarged diameter end section at one end with an adjacent short radius bend is disclosed. A straight length of tubing is magnetically...
4621514 Method of making an intermediate stage, intermediate blank for a dynamo electric machine commutator ring, and apparatus to carry out the method  
To form a commutator segmental ring, an intermediate stage commutator ring (4) is formed from a flat strip (1) of commutator material which is bent into essentially cylindrical tubular shape to...
4611391 Commutator ring manufacturing method and apparatus  
A method for manufacturing commutator segmental rings, in which ring-shaped blanks (1) are transformed into commutator segmental rings. The method is carried out with a forming apparatus which uses...
4606214 Metal forming apparatus  
The present invention concerns an apparatus for forming into shape one end portion of a rod-like metallic work such as a pipe. The apparatus comprising a holding member to hold the work, a split...
4590785 Method and apparatus for flaring a tube  
A flare is formed on the end of a tubular waveguide of elliptical cross-section by first expanding a pair of flaring lugs along the major axis of the ellipse and then by expanding a second pair of...
4520547 Flanging of plastic lined conduit  
Plastic lined pipe with the lining adhered to the pipe is flanged such as by a hydraulic operation. Resultant flanged pipe does not require heat treatment.
4453395 Shell of a universal-joint and a manufacturing method therefor  
A shell for a universal joint for flexibly coupling two rotary shafts. The shell is constructed using a manufacturing technique to produce a shell of light weight and excellent strength. The shell...
4452063 Process for making pipe fitting components, and the components obtained thereby  
A process is disclosed for forming pipe fitting components, in particular for the manufacture of three-piece unions made of steel and formed by cold deformation operations, by subjecting lengths of...
4452060 Method of processing cylindrical surface  
A method of mechanically processing the cylindrical surface of a part having a cylindrical portion. The cylindrical portion is beforehand provided with a supporting portion at its one end, for...
4450704 Metal sleeve production  
A method of producing a metal sleeve having at least one recess open at the nd face extending over a portion of the axial length of the sleeve from a cylindrical pipe section comprising (a)...
4380165 Squeezer flanger  
To prevent fold formation when arranging a circumferential flange and a circular constriction adjoining the same, the material of the sleeve body is locally arrested under a sufficient clamping...
4362043 Pipe unions  
According to the present invention, a new cold working metal process is disclosed for the formation of metal pipe union components, which includes blanks for so called gas meter swivels, which are...
4352283 Method of forming spark plug bodies  
A method of manufacturing a hollow spark plug body having a cylindrical central portion (28), a first end portion (10) of smaller circular radial cross-section and a second end portion of...
4320568 Method of expanding tubular members  
A two-stage method of expanding tubes into holes in tubesplates including walls of drums and headers especially in boilers using an elastomeric body which in a first stage is compressed axially in...
4301672 Process for forming semi-float axle tubes and the like  
A process for cold forming semi-float axle tubes and similar types of metal tubes which includes arranging a short, tubular blank within an open ended die having an extrusion die throat, and...
Matches 1 - 50 out of 77 1 2 >