Abstract: A connecting piece for establishing a connecting arrangement for a pipe which can be pressed together comprises a stub which can be inserted into a pipe. Profilings for the pressing-together with the pipe and a stop are on the stub. At least one radially projecting spacer is provided on the stub. The spacer defining a gap for forming a flow duct between the stub and the pipe. The spacer may have an interruption for forming part of the flow duct.

Abstract: A method of joining two vehicle suspension components made from the same or dissimilar materials includes providing a first suspension component, and providing a second suspension component made from a material which is same/dissimilar to the material used to make the first suspension component, where one of the first and second suspension components is a metallic component made of a metallic material. A portion of one of the first and second suspension components is positioned within a portion of the other of the suspension 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 at a velocity sufficient to magnetic pulse weld the components to each other, thereby securing the first and second suspension components together.

Abstract: An apparatus for crimping a ferrule onto a cable includes a base to rest the cable on, and a cable stop spaced from the base. The cable stop has a surface to rest a connector connected to an end of the cable. The surface is slanted downward and away from the connector.

Abstract: A nanophase composite duct assembly and method of fabricating the same are provided that comprise an ultra-high strength nanophase aluminum alloy duct joined with a ceramic particulate reinforced metal matrix fitting, preferably using solid-state friction welding. The nanophase aluminum alloy duct is fabricated by extruding a billet formed by a process of cryogenic milling the alloy, followed by out-gassing, then hot isostatic pressing. The fitting is fabricated by combining a ceramic particulate with a metal matrix, preferably by powder processing or liquid metal infiltration. Further, the solid-state friction welding may comprise inertial welding, friction stir welding, or a combination thereof. As a result, a lightweight duct assembly is provided for high-pressure liquids such as propellants in rocket engines.

Abstract: A thermal expansion connection for rigid pipes in low-pressure applications subject to thermal expansion and shrinkage. The connection is formed between the distal end of a first rigid pipe received within the proximal end of a second rigid pipe. At least one seal is disposed between the first and second rigid pipes to prevent fluid communication through the connection. The second rigid pipe defines a collar at the proximal end thereof for receiving the distal end of the first rigid pipe and the seals. The first rigid pipe distal end defines a radial recess for receiving and maintaining the position of each seal. A gap is defined between the first rigid pipe distal end and the second rigid pipe collar to allow for thermal expansion and contraction of the first and second rigid pipes.

Abstract: An end fitting for tubular member and a method of applying an end fitting to a tubular member, according to which an end portion of the tubular member is placed in an annular space defined between an outer ferrule and a tubular insert having a tapered inner wall and a radially outwardly-directed force is applied to the insert to force it into engagement with the tubular member.

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 made from a material which is same/dissimilar to the material used to make the first 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.

Abstract: A method for coupling a conduit to a fitting. The method includes providing a fitting having at least one groove defined therein and a collar having a flange extending from an end of the collar, aligning the flange with the groove, and compressing the collar around a portion of the fitting to facilitate fixedly securing the flange within the groove, such that the collar is fixedly secured to the fitting.

Abstract: The invention is a system and associated connection fitting for connecting a refrigerated line or air conditioning hose to the compressor unit or component on one end and the evaporator unit or component on the other end of a residential or commercial air conditioning or refrigeration system. The hose will be of a construction, which as well as having a relatively high bursting strength, will also not allow the refrigerant to permeate through the hose and escape into the outside environment. The associated connecting fitting allows the hose to be connected to the compressor/evaporator unit. The mounting surface of the fitting will allow it to either slide over or fit into the corresponding fitting on the compressor and/or evaporator unit. The opposite end, which shall connect to the hose assembly, will have flanges and “O” rings which when clamped will provide a secure connection as well as prevent loss of refrigeration.

Abstract: A Coriolis flowmeter having a single flow tube surrounded by connecting rings and a balance bar whose ends are connected by the connecting rings to the flow tube. The balance bar has a thermal coefficient of expansion greater than that of the connecting rings and the flow tube. The outer circumferential surface of each connecting ring is tapered toward the axial center of the flow tube. The inner circumferential surface of the balance bar has a taper matching that of the connecting ring. The connecting ring can only be partially inserted into the space between the flow tube and the balance bar when the assembly is at room temperature. Braze material is then applied to the visible ends of the surface common to the balance bar and the connecting rings as well as to the ends of the surface common to the connecting rings and the flow tube. The structure is heated to brazing temperature to braze these common surfaces.

Abstract: An air spring includes a flexible member, which encloses an air volume, and two connecting parts. Each of the connecting parts has a clamp seat on which an end of the flexible member is attached with the aid of a clamp ring assigned to the clamp seat. The surface of at least one clamp seat is at least approximately convex and the total inner side of the clamp ring, which is assigned to the clamp seat, is configured to be at least approximately concave.

Abstract: Thermal regulation of a coated work-piece during the reconfiguration of the work-piece is provided. One method embodying the invention comprises placing an externally coated reconfigurable work-piece, whose hardness has been temporarily modified to resist damage during the reconfiguration of the work-piece, into a reconfiguration chamber of a reconfiguration apparatus and reconfiguring the work-piece from a first configuration to a second configuration via physical communication between the external coating of the reconfigurable work-piece and the reconfiguration apparatus.

Abstract: A clamping system for high or ultra-high vacuum system components including a clamping member surrounding a flange of the vacuum system component. A bead along the inside diameter of the clamping member engages a groove in the peripheral surface of the flange. When a clamping force is applied to the clamping member, as by a bolt, the force is transmitted to the flange providing sufficient clamping force to form a vacuum seal.

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: An apparatus for crimping a stent by segmental radial compression, comprising a stationary base member; a rotatable drive hub which is moveable in relation to the stationary base member; and a crimping head aligned with respect to the stationary base member and to the rotatable drive hub. The crimping head includes at least ten segments. The segments each have a proximal end and an angled distal end with at least one angled side face terminating in an edge of a predetermined length, each segment having a centerline between the proximal and distal ends, each segment having a proximal point and a distal point, the distal point being disposed on the centerline and the proximal point being disposed off the centerline, and the proximal point being pivotally coupled by pins to the stationary base member and the distal point being pivotally coupled by pins to the rotatable hub 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: A method for mounting a metal body on an essentially straight measuring tube, made of titanium or zirconium, of a Coriolis mass flowmeter. The method ensures secure retention of the metal body on the measuring tube even through very extended operation of the Coriolis mass flowmeter, in that the metal body is shrink-mounted on the measuring tube.

Abstract: A slotting cutter and a method for constructing the slotting cutter. The slotting cutter is structurally divided into two portions, a central adapter portion and a cutter portion. The central adapter portion is a disk with an F-type or S-type adapter. The cutter portion is an annular ring provided with cutting insert receiving pockets, or cartridge receiving pockets. The cutter portion and a body portion are manufactured separately and combined to form the slotting cutter by a heat shrinkage method.

Abstract: A manufacturing method for cylinder, comprises a step of inserting a cored bar 2 into piping material 1 having a reduced inner radius at one end and supporting the end of the cored bar with the reduced radius section of the piping material 1, and a step of rotating the piping material 1 and the cored bar 2, displacing the piping material 1 in an axial direction while passively rotating one or a plurality of rollers compressing the outer periphery of the piping material 1 and applying a spinning operation to the piping material while pressuring and retaining the piping material between the cored bar 2 and the roller 3. Thus the thickness of the middle section of the piping material is made less than the thickness of the end sections by moving the roller into a position closer to the cored bar in the middle section than in the end sections of the piping material. In this manner, processing of the cylinder can be effectively performed without wastage of materials.

Abstract: A metallic press fitting element is made from a solid or hollow bar as starting material which is treated by a machining process, or by a machining process and a subsequent non-cutting process, to form a finished press fitting element with a pressing zone destined for connection of a pipe. The pressing zone is comprised of a hook-shaped region of substantially roof-shaped cross section for receiving an O-ring gasket, and an adjacent cylindrical region positioned inwardly of the hook-shaped region distal to an insertion end for the pipe into the pressing zone.

Abstract: A method of connecting two malleable pipes comprising locating the pipes, one inside a portion of the other with O-rings between the pipes, and applying a crimping tool to inwardly deform the pipes and thereby cause the O-rings to deform and establish a fluid tight seal between the pipes.

Abstract: A metallic press fitting element for providing a non-detachable, tight joint of pipes includes a main body which is defined by a longitudinal axis. The main body is comprised of a radially outwardly projecting bead area at an entry side of a pipe to be inserted, a first cylindrical portion extending inwardly, at a distance to the entry side, of the bead area and connected thereto via a slanted transition, and a second cylindrical portion extending inwardly of the first cylindrical portion at formation of a stop surface for the pipe being inserted. The bead area terminates in a straight end portion which extends perpendicular to the longitudinal axis in a radial direction and has a terminal end which bounds a circular opening.

Abstract: A method of attaching and adjusting first and second members includes providing a first member having an outer surface and a second member. The second member is affixed to the outer surface of the first member at a desired axial position along the length of the first member and in a desired angular orientation. Subsequent to affixing the second member to the first member, the shape and/or dimensions of the second member is adjusted by increasing the density of at least a region of the second member. The densification may be accomplished by, for example, a mechanical working technique such roller burnishing, coining, sizing, shot peening, or laser impacting. In one embodiment of the invention, the method may is adapted to the production of combustion engine camshafts from separately provided camshaft tubes and cam lobes.

Abstract: A process and machine to make double-walled pipe to be connected end to end, wherein each pipe includes inner and outer tubes arranged coaxially with a ring-shaped space between them except at a connecting area at the end of the pipe where the outer tube is longitudinally retracted with respect to the inner tube. An end-wall of the outer tube is deformed to close off the ring-shaped space by the gradual application of pressure to its wall by means of a series of bars spaced in a ring around a connecting area and tilted over in a radial direction by a crown that is fixed with respect to the outer tube and onto which the bars are attached in an articulated manner.

Abstract: A coupler for a pipe or hose section has a coupling body, at least one coupling piece integrally formed therewith and a pressing sleeve, which can be previously joined to the coupling body. The coupling body and the pressing sleeve can be previously joined by a locking or interlocking connection.

Abstract: A reinforced hose coupling including an end fitting having first and second, axially extending sections with the first section comprising a connector and a second section providing a nipple with external grooves. A metal ferrule is mounted on the nipple and is connected to the end fitting. The ferrule has an external depression formed in a side thereof. Two holes are formed in this depression and extend through the wall of the ferrule. A reinforced hose end having flexible tubular rubber or plastic layers is crimped between the ferrule and the nipple. The hose end has an outer wire extending about the exterior of the tubular layers. An end piece of this wire extends through the holes and across the depression helping to secure the hose end to the coupling and providing an indication to the user that the coupling is in usable condition. Preferably the ferrule is formed with a circumferentially extending internal rim at one end, which rim is forced into a circumferential groove formed in the end-fitting.

Abstract: In a method for joining workpieces, in particular press fittings (24) to a pipe (23), the pressing device (1) is placed with its at least two pressing jaws (21, 22) in the open position against the joining point of the workpieces 23, 24), and the pressing jaws (21, 22) are then moved with respect to one another by means of a jaw drive (7, 50), while the workpieces (23, 24) deform plastically, into a terminal pressed position in which, at the latest, the application of power to the press jaws (21, 22) ends. According to the invention, the power of the jaw drive (7, 50) is controlled in such a way that, at least toward the completion of pressing, the pressing jaws (21, 22) have less kinetic energy than without a power controller. The invention further concerns a pressing unit (1) for carrying out said method.

Abstract: An apparatus for manipulating a medical device is formed of at least three coupled movable blades which are disposed about a reference circle to form an aperture whose size may be varied. The aperture capable of being sized to contain a medical device. Each blade is in communication with an actuation device which is capable of moving the blade to alter the size of the aperture. Each blade includes a single radial point which a) lies on the circumference of the reference circle prior to movement of the blade, and b) may be moved only along a radius of the reference circle on movement of the blade.

Abstract: A method for locating an injector ball valve guide in alignment with a valve seat mounted in a common recess of an injector valve body. The valve guide is a disk that has a central opening which guides a valve ball of an associated valve member. During assembly, the guide disk is aligned with the valve seat by a locating tool having an oversized ball on a load rod. The oversized ball is fitted closely within the central opening of the guide and is seated on the ball seat to align the seat and opening. The valve seat and guide disk are then locked in the recess by crimping edges of the recess against the valve seat. The locating tool is removed and assembly of the remaining injector components is completed. The method simplifies alignment of the seat and guide components. In a variation of the method, the guide is aligned with and fixed to the valve seat with the oversized ball in place to form an aligned subassembly for subsequent installation into a fuel injector.

Abstract: An exhaust treatment device for an internal combustion engine includes a generally cylindrical substrate and sealing system which are swaged in place within a one-piece housing. The one-piece housing includes segmented inlet and outlet gas shields and diffusers which are spun from a single piece of tubing which also contains the substrate. The spun inlet and outlet gas shields and diffusers have segmented configurations including multiple concave and convex sections produced by spin-forming of the housing. The exhaust treatment device is assembled without the need for welding or any other high temperature operation.

Abstract: The invention concerns a pressing device (1) for joining workpieces, in particular press fittings to a pipe, having an electric drive (6) and a pressing tool (2) attached replaceably thereto, and is characterized in that control parameters for the drive (6) are stored on the pressing tool (2).

Abstract: A method for forming a pipe includes providing a tubular workpiece having an upper portion and a lower portion; forming a tapered hole in the inner wall of the upper portion of the workpiece and forming an annular shoulder on the outer wall of the upper portion of the workpiece synchronously by cold forging operation; forming a plurality of teeth on the outer wall of the lower portion of the workpiece by a turning-machining operation, thereby forming the pipe which includes the tapered hole, the annular shoulder, and the teeth; and finally reinforcing the pipe by carburizing treatment.

Abstract: A tube connection apparatus for use with larger diameter flexible tubing particularly for hazardous material removal comprising an outer tapered sleeve and an inner tapered sleeve that is sized to snugly fit within the outer tapered sleeve and to engage the flexible tubing therebetween. A retainer ring is provided to secure a second flexible tube to the outer tapered sleeve and a transportable wall section which holds the sleeves may be positioned in a passageway of a building and tubing from spaces on either side of the passageway be connected.

Abstract: Multi-lateral wells include one or more connections between a larger diameter well casing and liner-equipped branch-wells of smaller diameter initiated with a small angle deviation from the casing axis, so as to facilitate the sequential insertion of the directional drilling string and of the liner string, used respectively for drilling and for completing each lateral branch. Each such insertion requires, in the casing string, an elliptical window cutout presenting a vertical axis of more than ten feet and a horizontal axis of only a few inches, corresponding to the diameter of the branch-well.

Abstract: A machine tool extension for interfacing a cutting tool having a generally cylindrical shank portion to a tool holder having a central opening. The extension comprises an elongate, generally cylindrical shank member having first end and a reduced diameter second end. The first end of the shank member is insertable into and securable within the central opening of the tool holder. The extension further comprises a bushing member having an aperture extending longitudinally therethrough. The second end of the shank member is insertable and securable within one end of the aperture, with the shank portion of the cutting tool being at least partially insertable into and securable within the other end of the aperture. The shank member is formed to have an outer diameter which slightly exceeds the diameter of the central opening of the tool holder.

Abstract: A compact, lightweight closed coupling male spring lock fitting for direct connection to an air-conditioning hose having an inner sleeve, an outer sleeve and an annular cage, the inner sleeve having stepped portion that receives an inner surface of the annular cage. The annular cage surrounds the outer diameter of the inner sleeve and is spaced a distance from one end of the inner sleeve. The outer sleeve abuts an outer surface of the annular cage and prevents axial movement of the annular cage. The outer sleeve is retained in a retaining groove on the outer diameter of the inner sleeve, adjacent the stepped portion. The closed coupling of the outer sleeve and annular cage significantly reduces the overall length and weight of the fitting in comparison to prior art fittings and the inner sleeve may be machined opposed to conventional tube roll-forming processes.

Abstract: A method of joining two vehicle frame components made from dissimilar materials includes providing a first frame component, and providing a second frame component made from a material which is dissimilar to the material used to make the first frame component, where one of the first and second frame components is a metallic component made of a metallic material. A portion of one of the first and second frame components is positioned within a portion of the other of the frame components in an overlapping manner, thereby forming an overlapping portion. A metallic band is disposed around the overlapping portion, and an inductor is positioned around the metallic band. The inductor is energized to generate a magnetic field for collapsing the band about the overlapping portion at a velocity sufficient to magnetic pulse weld the band and metallic component to each other, thereby securing the first and second frame components together.

Abstract: The present invention relates to a cooling unit for electronic devices wherein the manufacturing method comprises the steps of: (a) preparing a plate-type metal block for removing heat generated from an electronic component, the metal block having holes in the thickness part of the metal block and having convex portions formed on one main surface or both main surfaces of the metal block; (b) inserting heat pipes into the holes; and (c) applying a local and two-dimensional force from the surface of the metal block to the convex portions to make the surface flat bringing the outer surface of each heat pipe into close contact with the inner wall of each hole in the metal block.

Abstract: A method of spin forming, comprising the steps of: providing a tool having a first plurality of forming rollers spaced at a second plurality of distances from a spin axis; spinning around the spin axis at least one member of a set comprising (i) a work piece and (ii) the tool; and engaging the tool and a first end of the work piece. The method allows increased diameter reductions of a free end of a work piece in a single forming operation without collapse of the end of the work piece.

Abstract: An apparatus for crimping connectors on the ends of hoses includes a clamping machine having first and second moveable portions, a first measuring device associated with the clamping machine for delivering a signal representative of the linear distance between the moveable portions, and a controller operatively connected to the first measuring device and the clamping machine, for receiving the signal and stopping the relative movement of the first and second moving portions when the signal reaches a predetermined setting. The controller adjusts the relative movement of the moveable portions in response to input recorded on crimped connectors.

Abstract: A method for securing the connection of a medical tube to a port of a fluid transfer instrument. The method provides connections with superior resistance to unexpected disconnection, and thus is particularly beneficial for joining elastic tubes which are implanted within the body for conducting body fluid from one internal location to another or between the body and an external location. The novel method includes inserting a rigid nipple on the port into the lumen of an elastically deformable tube to be joined to the port, placing an initially loose fitting, nonelastically deformable sleeve around the tube on the nipple, and deforming the sleeve radially toward the nipple to clamp the tube between the sleeve and nipple. The extent of deformation is controlled to prevent damaging the tube.A tool for clamping the sleeve to a controlled extent of deformation is also provided.

Abstract: A notching device for fastening a projectile to a cartridge case. The cartridge case may include a shell mouth and a longitudinal axis and the projectile may include an adapter base for insertion into the shell mouth. The adapter base may include at least one circumferential notch inserted into the shell mouth. The notching device may include an elastic ring for exerting a radial compression force on the shell mouth adjacent the at least one circumferential notch to press a portion of the shell mouth into the at least one circumferential notch, and a device for laterally compressing the elastic ring. The lateral compressing device actuating the elastic ring to exert the radial compression force on the shell mouth. The radial compression force may be substantially equal around a circumference of the cartridge case to provide a fluid tight seal.

Abstract: A tube conduit connection and method of producing the same, whereby an end of a pipe made of polyolefin is cold-deformed, i.e. at the ambient temperature, by means of a spreading mandrel. After the spreading mandrel is removed, the enlarged pipe end and a desired connecting piece or the end of another pipe are plugged onto each other. The polyolefin pipe end is then deformed back to the original shape and forms by self-redeformation a solid and gas-tight connection with the connecting piece or the end of the other pipe.

Abstract: An assembly for attaching a new hose to an existing fitting includes an expandable split ring having an internal diameter less than the diameter of a preformed radially outwardly extending annular wall on the fitting, and a collar that is positionable over the fitting and the expandable split ring. The collar has a radially inwardly extending wall portion and a deformable sleeve portion. The split ring is positionable adjacent the annular wall on the fitting, and the radially inwardly extending wall portion of the collar is positionable in an abutting relationship with the expandable split ring. The deformable sleeve portion of the collar is inwardly deformable to provide retention of the collar, split ring, and hose on the fitting. The present invention solves the problem of the need for new fittings when modifying existing refrigeration systems to accept new refrigerants.

Abstract: A hose assembly, a hose coupling and a part therefor and methods of making the same are provided, the hose assembly having a tubular insert portion of a hose coupling inserted into one end of a hose, the external peripheral surface of the insert portion having a plurality of spaced apart annular ridges and having a plurality of spaced apart annular grooves therein that are separated from each other by the annular ridges so that the insert portion has medial grooves intermediate opposite end grooves thereof, the end grooves being narrower than the medial grooves.

Abstract: The invention provides a method and device for assembling an inflatable cushion with a reaction housing in an inflatable restraint system. A die is provided which includes at least one cavity extending through the die, and an elongate slot communicating with the interior of the cavity and disposed along the length thereof. The assembly is accomplished by aligning the die with the reaction housing to permit axial passage of a cushion insert, formed at the gas inlet opening of the inflatable cushion, through the die cavity into a mateable sleeve of the reaction housing.

Abstract: An improved tool holder system and method of using the same is disclosed, characterized by use of a plural extension member assemblies which permit the rapid adaptation of conventional machine tool holders for use in both automated machine tool changers as well as manual machine tool changer systems. In addition, the present invention discloses an improved method of mounting a cutting tool within a tool holder to accurately position the cutting tool height within the tool holder and subsequently prevent any backing out of the cutting tool from the tool holder during the cutting operation. Further, an improved apparatus and method of ensuring concentric mounting cutting tool within a tool holder is disclosed.

Abstract: The present invention relates to a process for shrinking a ring to be shrunk, placed around an object to be clamped on a cylindrical support and behind an axial obstacle connected to said support. The process comprises the following steps of: a) fitting a shrinking tool around the support, over the axial obstacle, until its jaws in expanded position are disposed in the radial plane of the ring to be shrunk, b) positioning in the jaws, by the rear of the axial obstacle, a spacer presenting a central opening adapted to the ring to be shrunk, and c) finally, tightening the shrinking tool to bring the jaws and the spacer that they contain in their retracted positions.

Abstract: A reinforced boring rod assembly and a method for producing the same includes a boring rod including an arrangement for mounting a rod end thereto, a rod end for mounting to the boring rod, a generally annular collar telescopically mounted around the boring rod adjacent the mounting arrangement with the collar including a plurality of crimps formed circumferentially thereabout and extending into the rod a sufficient distance to initiate gripping action on the rod end. Stainless steel welds cover the crimps as well as the junctions of the rod end and the collar, as well as the collar and the boring rod. A method for constructing the same is also disclosed.

Abstract: An end fitting is secured to a flexible metal hose comprised of a corrugated tube enclosed in a tubular braid in a manner that provides a single weld operation. An end of the hose is cut to bring the tube and braid ends into alignment. Thereafter, an end fitting is moved over the hose end and radially swaged into gripping engagement with the hose. A circumferential deep penetration weld integrally secures all the components, namely, the tube, the braid, and the fitting.