Abstract: Provided is a method of welding laminated metal foils that can prevent blowholes and spatter from being formed. It is a method of welding laminated metal foils sandwiched between a pair of metal plates to the pair of metal plates. The method of welding laminated metal foils sandwiched between a pair of metal plates to the pair of metal plates includes locally pressing and crimping the laminated metal foils sandwiched between the pair of metal plates at a welding point in a laminating direction, and welding the crimped pair of metal plates and laminated metal foils at the welding point.

Abstract: The present invention relates to a pipe section (10), constructed to be joined end-to-end to a same pipe section in order to form a pipeline which is laid from a pipeline laying vessel, the pipe section having a pipe has a greater wall thickness than the wall thickness of a main part of the pipe wall (15), the pipe section comprising a thickened gripping zone (20) which section, wherein the thickened gripping zone has a length (22) and a wall thickness which are constructed and arranged to allow a shear clamp (45) having protrusions (48) to grip the thickened gripping zone in order to suspend the pipeline from the pipeline laying vessel via the thickened gripping zone.

Abstract: The present disclosure relates to an end fitting and method to install the end fitting to a flexible pipe. The method includes disposing a shell mandrel at a free end of the flexible pipe external to a jacket of the flexible pipe and performing a cutback of layers of the flexible pipe to expose an internal pressure sheath of the flexible pipe. An armor layer of the flexible pipe is radially outward from an axial direction of the flexible pipe. At least one internal pressure containment transition component and at least one internal pressure sheath seal are installed on the exposed free end of the flexible pipe. The end fitting is assembled such that the at least one internal pressure containment transition component and at least one seal are assembled with non-radial fasteners having a backward facing direction.

Abstract: A medical device includes a polymer stent scaffold crimped to a catheter having an expansion balloon. A process for forming the medical device includes placing the scaffold on a support supported by an alignment carriage, and deionizing the scaffold to remove any static charge buildup on the scaffold before placing the scaffold within a crimper to reduce the scaffold's diameter. The polymer scaffold is heated to a temperature below the polymer's glass transition temperature to improve scaffold retention without adversely affecting the mechanical characteristics of the scaffold when deployed to support a body lumen.

Abstract: A method to connect piping and a piping connection, having the features of a ring connector configured to snugly fit around an external diameter of a pipe; and a piping shield connected to the ring connector, the piping shield having at least one observation window cut into the shield, wherein the piping shield covers an abutment end of the pipe to be connected, wherein a joint between the ring connector and the piping shield forms a connection.

Abstract: A steering rack housing (20, 100, 100?, 100?) for a power steering system that surrounds a steering rack in a tubular manner and includes a hydraulic region (32), a mechanical region (34), and as an inner supporting bearing (38), wherein the supporting bearing is held in the steering rack housing (20, 100, 100?, 100?) by at least two cross-sectional contractions (46) of the housing.

Abstract: A system and method for releasably coupling an extendable element to an actuator. Such a system may include an actuator housing with a specially adapted integral connecting end having a cavity therein. An extendable element may extend into the cavity through an opening in the connecting end of the housing and be coupled to a motive element of the actuator by a rotatable collar that resides in the cavity. A cover plate forms a part of the actuator housing connecting end. The cover plate compliments the integral portion of the connecting end and, in conjunction therewith, encloses the collar and the coupled portion of the extendable element. A substantially hollow end cap is passed over the extendable element and releasably attached to the actuator housing to enclose the distal connecting end thereof. In some embodiments, the coupled extendable element may reciprocate within an outer tube that is also releasably attached to the actuator housing.

Abstract: A pipe from a plastic material having memory properties is extruded. The extruded pipe is cut to form a pipe part (7). The pipe part (7) is warmed and the end (6b) of the pipe part (7) is bent. The pipe part (7) forms a clamping ring (6) and the bent end (6b) of the pipe part (7) forms a stop edge (10) in the clamping ring (6).

Abstract: A stent crimping system and method for use in preparing a bifurcation catheter assembly for use in a patient. The catheter assembly includes main and side catheter branches and a stent. The stent includes a side branch aperture through which the side catheter branch extends. The stent is crimped onto the main and side catheter branches with a crimping mechanism in two crimping steps. In the first crimping step, only a distal end portion of the stent is crimped while the side catheter branch remains extending through the side branch opening of the stent and remains positioned outside of the crimping mechanism. In a second crimping step, the entire stent is crimped with the crimping mechanism.

Abstract: An exhaust gas treatment device for internal combustion engines and the like includes inlet and outlet end caps, two catalyst substrates, and a two-piece housing. A first, cylindrically-shaped housing member has a hollow interior in which one of the substrates is retained, a first end sealingly connected with the inlet end cap, and an opposite second end with a radially reduced section. A second cylindrically-shaped housing member has a hollow interior in which the other one of the substrates is retained, a first end sealingly connected with the outlet end cap, and an opposite second end with a radially enlarged section sized to receive therein the second end of the first housing member, whereby the reduced section of the first housing member and the enlarged section of the housing member are spaced radially apart a predetermined distance to define an annularly-shaped space or gap which thermally insulates the associated portion of the exhaust gas treatment device.

Abstract: The invention relates to a piston for a piston-cylinder arrangement, particularly a shock absorber piston, which includes a piston body, that has a circumferential surface. A sealing collar has an outer circumferential surface, an inner circumferential surface, a first peripheral surface, and a first sealing lip, and extends around the circumferential surface of the piston body and covers at least part of the circumferential surface in the axial direction. The first peripheral surface connects the two circumferential surfaces to each other at a first end of the sealing collar. The first sealing lip is delimited by the first peripheral surface and the outer circumferential surface, and the first sealing lip is configured evenly in the circumferential direction.

Abstract: The coupling includes a mandrel and a coupling outer sleeve. In a method for installing the coupling on a pipe, the mandrel is inserted into the inner diameter of an end of pipe with an outboard end of the mandrel protruding from an end of the pipe. Then the outer sleeve is positioned over the pipe to form a length of substantially concentrically arranged, overlapping parts of the mandrel, the pipe and the sleeve. Then the sleeve is crimped over at least a portion of length, which engages the pipe between the sleeve and the mandrel. Either before or after sleeve is crimped over the pipe, the sleeve is connected to the outboard end of the mandrel.

Abstract: A hose end coupling comprising a unitary one-piece stem having an exterior barb end portion and an exterior ferrule interface portion, with a unitary one-piece radially crushable ferrule disposed over the stem, with a crushable socket portion disposed about the barb end portion, a deformable attachment portion disposed about the ferrule interface portion, and a torque communication portion defined between the socket portion and the attachment portion. The socket portion may retain a “C” shaped insert, one or more coiled inserts, or a plurality of stacked inserts, for gripping a hose end and the socket portion might define a lip, with a seal disposed in the socket portion between the insert(s) and the lip. Some embodiments of a “C” shaped insert define inner-circumferential teeth and corresponding outer-circumferential depression indentions.

Abstract: In a method and a device for non-rotatably connecting a hollow shaft with at least one component located on the hollow shaft with which the component is positioned with clearance on the hollow shaft and is fastened thereon in a certain position by eliminating the clearance, the clearance being eliminated by expanding the hollow shaft using a joining tool that passes through at least part of the hollow shaft, and the joining tool including at least one first shaping element and at least one further shaping element, and the shaping elements being movable relative to each other, so that the motion of the shaping elements relative to each other causes an at least partial expansion of the hollow shaft. A design of this type has the advantage, in particular, that the joining tools cause the hollow shaft to expand only at the necessary points.

Abstract: A method for endforming a tubular member for use assembly for a hydraulic system comprises (1) a connector member having an inner surface exhibiting a stepped configuration and a fixing member at the distal end thereof, and (2) an endform tubular member having an outer surface corresponding to the inner surface of the connector member, wherein the endform tubular member mates with inner surface of the connector member to provide an endform tubular assembly having an improved design for conveying fluids in a hydraulic system. The endform tubular assembly has inherent features therein that are measured to provide quantified values for assessing the robustness of the assembly and predict the performance of such assembly in high pressure applications for prolonged periods of time.

Abstract: A flexible bushing arrangement (30; 30?) has an inner bushing (32; 32?), an outer bushing (34; 34?) which surrounds the inner bushing and delimits an annular space (36; 36?, 36?) therewith, and a resilient connecting body (38; 38) which is arranged in the annular space (36; 36?, 36?) and connects the two bushings (32, 34; 32?, 34?) to each other. In end regions of the annular space (36; 36?, 36?) spacers (40, 42; 40?, 42?) are arranged which allow only limited radial relative movements of the two bushings (32, 34; 32?, 34?) in relation to each other. Each of the spacers (40, 42; 40?, 42?) is constructed in one piece with one of the bushings (32, 34; 32?, 34?) and is arranged in such a way that it may only act on the other bushing (34, 32; 34?, 32?) via the connecting body (38, 38?). Each of the spacers (40, 42) is constructed in the manner of a toothed ring.

Abstract: A method for manufacturing an isothermal plate includes the steps of preparing a plurality of heat pipes, a first plate body and a second plate body; pressing on the second plate body to form a plurality of shielding covers recessed into the bottom surface of the second plate body and protruding from the top surface of the second plate body, the recessed portion of each shielding cover having a cambered space for horizontally accommodating the heat pipe therein; disposing each heat pipe into each cambered space to make the first plate body adhered to the bottom surface of the second plate body and the two plate bodies overlapped with each other; and applying an external force to the second plate body to bring each heat pipe into a tight and planar contact with the inner wall of its corresponding cambered space in the direction of pressing.

Abstract: An improved seal and method for providing a watertight compression joint connection between a valve or fitting and a flare end of a copper tubing in a water service. The improvement includes an O-ring seal on a bull nose end of a valve and a frictional material inserted into straight AWWA threads on a male inlet or outlet of the valve to sealingly engage a flared end of the copper tubing to the bull nose end and to frictionally engage a flare nut with the tubing back onto the matching bull nose end of the valve when screwing the flare nut onto the male threads of the valve, respectively.

Abstract: A method for the production of a steering spindle part is provided. The method includes forming a section of a steering spindle for a motor vehicle and which is implemented in the form of a hollow shaft and includes at least a connection section adjoining one of its ends. The connection section has at least over a portion of its length a wall thickness (D) which, compared to a section of the steering spindle part adjoining the connection section, is increased, for the production of the steering spindle part as the starting produce is utilized an initially hollow-cylindrical tube, which is at least section-wise reshaped. For the formation of the connection section, a sleeve is set into an end section of the tube and the end section of the tube and of sleeve are subsequently jointly reshaped.

Abstract: A method of fabricating a rolling bladder propellant tank assembly includes providing a pair of half-domes comprising a nanophase metallic material and a bladder formed of a ductile metallic material. A bladder support ring extends from at least one of the pair of half-domes. The pair of half-domes are positioned together to form a cavity therein with a portion of the bladder trapped between the pair of half-domes adjacent to the bladder support ring, wherein the bladder is positioned within the cavity. A seal is formed between the pair of half-domes and the bladder by friction stir welding. A friction stir welding pin used to form the seal is aligned with the bladder support ring during the friction stir welding operation.

Abstract: A method for endforming a tubular member for use assembly for a hydraulic system comprises (1) a connector member having an inner surface exhibiting a stepped configuration and a fixing member at the distal end thereof, and (2) an endform tubular member having an outer surface corresponding to the inner surface of the connector member, wherein the endform tubular member mates with inner surface of the connector member to provide an endform tubular assembly having an improved design for conveying fluids in a hydraulic system. The endform tubular assembly has inherent features therein that are measured to provide quantified values for assessing the robustness of the assembly and predict the performance of such assembly in high pressure applications for prolonged periods of time.

Abstract: A pipe insert (10) which in use is to provide a connection between spaced pipe ends (11), the insert having at least two ends, the pipe insert being adjustable to be able to vary the relative displacement between the ends, each end having connecting means (12) adapted to provide a sealing interconnection between that end and the respective pipe end. A method of connecting at least two pipe ends is also claimed.

Abstract: A method for forming a threaded pedestal cup including providing a pedestal with an interior cavity having an inner surface, and a top portion that has a larger diameter than a bottom portion; inserting a non-threaded arbor into the interior cavity to engage the inner surface of the bottom portion; and engaging the outer surface with a threading tool, wherein the engaging includes deforming the metal into threads.

Abstract: A method of making a fluid coupling includes a step of providing a cylindrical stem having a fluid conduit therethrough. The method also includes a step of placing a hollow shell over a first end of the stem. The method also includes a step of die swaging the shell to the stem at an attachment location along a length of the stem, wherein the die swaging step includes forming a tool engaging hexagonal shape on an outer surface of the shell at the attachment location.

Abstract: A method of producing a torque transmission between a driving member and a driven member including the steps of capturing an annular gear within the interior of a hollow cylindrical shell formed of a formable material which is caused to be flow formed around a portion of the exterior of the gear to militate against any relative longitudinal and axial movement between the shell and the gear.

Abstract: A stabilizer bar for an automotive vehicle includes a stabilizer bar, and a generally ring shaped first mechanical stop mounted onto and extending about an outer diameter of the stabilizer bar. The first mechanical stop is crimped in place onto the stabilizer bar such that the first mechanical stop is positioned within a groove formed within the outer diameter of the stabilizer bar as the first mechanical stop is crimped onto the stabilizer bar, whereby the first mechanical stop is retained within the groove to prevent movement of the mechanical stop along the stabilizer bar.

Abstract: A catalytic converter and method for its assembly including an external shell formed in two halves containing a catalytic substrate, two internal shields and two-piece inlet and outlet cones. The inlet and outlet cones are attached as halves to each side of the external shell, and are assembled to each other as the external shells are assembled.

Abstract: A method for manufacturing a combined driveshaft tube and yoke assembly includes the initial step of orienting a first component having a first wall thickness and a second component having a second wall thickness to define an overlap region. The first and second components may have the same or different wall thicknesses, may be formed from the same or different materials, and may have the same or different lengths. Portions of the first and second components are deformed to provide the overlap region with a third wall thickness that is the sum of the first wall thickness and the second wall thickness. Lastly, a pair of yoke arms having respective openings therethrough is formed in the overlap region to provide a combined driveshaft tube and yoke assembly. A pair of combined driveshaft tube and yoke assembly can also be manufactured in accordance with this method.

Abstract: An assembly provides metallic ends to a composite shaft and a method of fabricating such an assembly. The composite shaft is preferably comprised of reinforced fibers. A metallic inner sleeve is positioned in the cavity of one end of the shaft. A metallic outer sleeve is positioned around the end of the shaft having the inner sleeve therein. The outer sleeve may include structural features, such as dimples, that ensure a stable connection between the sleeve and the shaft. The sleeves are compressibly forced onto the shaft, thereby forming the assembly. Both sleeves are metallic, and therefore provide a surface onto which weld joints can be formed. A preferred method of assembly includes the steps of expanding the inner sleeve and compressing the outer sleeve against the shaft.

Abstract: A method of joining two vehicle axle housing components made from the same or dissimilar materials includes providing a first axle housing component, and providing a second axle housing component, where one of the first and second axle housing components is a metallic component made of a metallic material. A portion of one of the first and second axle housing components is positioned within a portion of the other of the axle housing components in an overlapping manner, thereby forming an overlapping portion. A metallic band may be disposed around the overlapping portion. An inductor is positioned around the overlapping portion. The inductor is energized to generate a magnetic field for collapsing at least one of the overlapping portion and the metallic band, thereby securing the first and second axle housing components together.

Abstract: A method for manufacturing a rack-and-pinion steering housing for transmission of steering force including the steps of pressing steering rod guide elements axially into open end regions of a tubular steering housing, and axially pressing the elements into the tubular housing to radially expand the housing end regions.

Abstract: A method for sealingly coupling a first component and a second component. The method includes forming a polymer male portion attached to the first component. The male portion has a first axis and a first bore extending therethrough. The male portion has a first stop surface, a second stop surface and an annular sealing portion intermediate the first stop surface and the second stop surface. The method also includes forming a polymer female portion attached to the second component. The female portion has a second axis and a second bore extending therethrough. The female portion has a third stop surface, a fourth stop surface and an annular ring intermediate the third stop surface and the fourth stop surface. The male portion is urged towards the female portion so that at least one of the first stop surface is adjacent the third stop surface or the second stop surface is adjacent the fourth stop surface.

Abstract: The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The sleeve may be made of compressible material, such that when the retaining element surrounds a portion of the sleeve and the edge trim, the retaining element generally compresses the portion of the sleeve portion underlying the retaining element and displaces the sleeve material to expand on either side of the retaining element and limit movement of the retaining element. The method of joining and sealing conduits includes mounting the edge trim and a retaining element upon an end of a conduit, extending a sleeve between the conduits, and sliding the retaining element over the sleeve toward the end of the conduit.

Abstract: A thread for expandable downhole tubular connections is disclosed. The thread on at least one of the pin and box is coated, preferably with an anti-galling compound. During expansion the coating crumbles and the particles in between the threads keep the joint from becoming undone despite longitudinal shrinkage from the expansion or any tendency of the swage to impart a rotational motion on one part of the joint during the expansion process.

Abstract: The invention relates to press tools for the connection, by cold forming, of tubular workpieces (2, 3) whose connection regions are provided with circular external cross-sectional shapes and are pushed one into the other. The press jaws (10) of the press tool have, in the closed state, approximately the external cross-sectional shape of the workpieces and can be provided with recesses (13, 17). Such a press tool may also have only two press jaws (10) and one bearing bolt (4). As a result of drive forces (F) introduced into the tool, cold-forming forces are exerted on the workpieces (2, 3) via said tool. Depending on manufacturing tolerances of the workpieces (2, 3), the distance (A) between the press jaws (10) varies.

Abstract: A method of manufacturing a marker post includes the steps of preheating a tubular barrel adjacent to a lower end thereof to soften same and deforming the tubular barrel lower end to form a flange assembly. The pre-softened tubular barrel is received in a barrel holder. A mandrel assembly is reciprocated into and out of engagement with the barrel lower end. The mandrel assembly reshapes the barrel lower end to form the flange assembly.

Abstract: The present invention is for a method of lap joining two tubular members and then hydroforming the tubular assembly. An insert end of the first tubular member is inserted into a receiver end of the second tubular member to form a lap joint. A filler metal ring is placed about the outer periphery of the insert end so that it is adjacent the opening of the receiver end of the second tubular member. Heat is applied to braze or solder the lap joint, forming a tubular assembly. The tubular assembly is then hydroformed during which time a supplementary mechanical lock may be formed in the lap joint.

Abstract: To develop a method for installing an end member to a hollow shaft member for an office equipment in which a high degree of coaxiality and a high degree of vertical state can be attained, its manufacturing stages are simple and they can be realized under a less-expensive cost. The present invention is constituted by the steps comprising (1) using a hollow shaft member made of soft metal; (2) inserting the end member made of hard metal formed with a fitting groove satisfying some requirements into the hollow shaft; (3) forming round holes at the central part of each of the split dies and preparing a molding machine having more than three pressing members toward the center of each of the round holes; and (4) installing the end member to the shaft member with the pressing force of the pressing member.

Abstract: A shock absorbing type steering shaft comprising a tubular outer shaft having a female serration and a solid inner shaft having a male serration. After the outer diameter surface of the outer shaft is pressed inwardly in the radial direction to plastically deform an inner portion thereof, the inner shaft is inserted into the outer shaft so that the inner shaft is pressure-contacted and fixed to the plastically deformed portion of the outer shaft.

Abstract: An exhaust gas sensor is provided and formed by attaching the sensor's upper shield and shell. The attachment is attained by bending a protruding segment or lip over a terminal end portion of the lower shield. This produces a single sealing surface and eliminates the requirement of a conventional crimp which places high compressive forces on the sensing element.

Abstract: A method of assembling a regenerator comprising multiple concentric layers of foil, each with an unbonded joint inside a generally cylindrical space, by inserting each successive layer of foil into the remaining space inside said generally cylindrical space and pressing it outward against the wall of the generally cylindrical space until its edges do not overlap.

Abstract: A coupling comprises a tubular insert (20), having an external shoulder (22) and external circumferential projections (26) separated by circumferential grooves (28, 30), and a tubular sleeve (14) having a largest internal diameter less than the external diameter of a pipe (10). The sleeve is advanced over the end (12) of the pipe and along the pipe away from the end. The pipe is constricted as the sleeve passes over it and then subsequently recovers to establish an end portion (18) which is unconstricted. The outside diameter of the insert is preferably not greater than the inner diameter of the pipe and the insert is inserted into the end portion of the pipe, the end of the pipe engaging the shoulder. The sleeve is then subjected to relative movement between said sleeve and said end until the end portion is gripped between the projections and the sleeve. The end of the sleeve preferably engages the shoulder (22). The coupling enables the pipe to be connected to other pipework.

Abstract: A method for coupling ventilator breathing circuit tubing to a respiratory ventilator using a compression coupler. The tubing has a corrugated or ribbed portion and a non-corrugated cuff. The cuff is inserted into the coupler, which is in turn coupled to the ventilator. The coupler has inner and outer tubular members that compressively engage the cuff between them when they are rotated with respect to one another.

Abstract: A radioisotope production target and a method for fabricating a radioisotope production target is provided, wherein the target comprises an inner cylinder, a foil of fissionable material circumferentially contacting the outer surface of the inner cylinder, and an outer hollow cylinder adapted to receive the substantially foil-covered inner cylinder and compress tightly against the foil to provide good mechanical contact therewith.

Abstract: A secondary connector block of the type that is used to reinforce a port through a thin wall so that a mating primary connector block which has a bolt hole offset to the side of a refrigerant line can be used to connect the line concentrically to the port. The secondary connector block consists of a completely cylindrical base with an intermediate annular groove circling its outer surface. The base can be turned on a lathe, since it is completely symmetrical about its axis. The base is first welded concentrically to the port, which is easily done, since no part of the base overhangs the surface of the wall. The side lobe which contains the bolt hole that aligns with the primary block is attached later by a pair of bendable legs that are formed around and into the groove. The legs may be wide enough to fit very tightly into the groove, in which case the side lobe is first turned to the orientation that aligns the bolt holes.

Abstract: A process for fabricating an outflow element for the drainage of rain-water containing a lead plate having a hole and an aluminum outlet pipe having an end sealingly affixed in the hole, whereby the end of the outlet pipe contains a plurality of bulges and the plate has a collar at the hole, which, with the aid of a clamping tube contacting the end of the pipe in question, keeps the collar in pressing contact with the bulges. The other end of the clamping tube is equipped with an external circumferential groove, within which an O-ring is to be applied to facilitate sealing with drainage pipes to be connected thereto. The fabrication process uses a widening tool to deform the collar and press the clamping tube into the end of the pipe. Alternatively, the fabrication can also occur by bringing the clamping tube into the collar and subsequently stretching the diameter of the clamping tube so that the clamping tube pushes the collar into the bulge.

Abstract: A hose coupling comprising a metal tube and a cylindrical insert concentrically arranged and held fast within the tube. The tube includes a radially outwardly flared sleeve integral with the tube and providing a tube end and a stop shoulder at the juncture at which said sleeve is flared outwardly. The insert includes (i) a barrel portion extending substantially the full length of the insert and (ii) a radially outwardly flared integral collar at one end of the barrel portion. The collar has an end face abutting the tube stop shoulder, an opposed hose end face, and a tapered circumferential land engaging the sleeve and extending axially at an outwardly diverging uniform taper from the tube end face to the hose end face. The sleeve is preformed to include a circumferential seat portion for seating the collar with the seat portion diverging outwardly at a uniform taper equal to that of the collar and beginning at the tube stop shoulder and continuing to a point at least equal to the length of said collar.

Abstract: A method of joining a pair of pipes involves inserting the ends of a pair of pipes into a fitting, and then axially compressing the fitting to produce readily outward bulging of the fitting at an intermediate portion thereof, the fitting being so configured as to cause outwards flaring of the pipe ends during axial compression of the fitting, the outwardly flared ends of the respective pipes then being entrapped within the fitting.

Abstract: A hose coupling, and method of constructing same, for sealably interconnecting a flexible hose and a rigid center pipe. The hose coupling is assembled without requiring relative rotation between the rigid center pipe and the inner surface of the flexible hose.

Abstract: A muffler of the type used to attenuate exhaust gas noise in exhaust systems of automobiles, trucks, or the like, particularly characterized by a gas flow conduit which is axially slotted and laterally flattened to form a closure and a pair of openings axially inward of the closure, wherein the end walls of the shell are pressed into engagement with the conduit ends to close the conduit and support the conduit.