Abstract: A bottom portion 11a is formed on an external end portion of a support sleeve portion 11 which is located on an external side, and an engagement recess 43 is formed in an inner peripheral surface of a support sleeve portion 21 which is located on an internal side. That end face of the engagement recess 43 which faces the support sleeve portion 11 side serves as an engagement surface 44. An engagement piece 45 is formed on one end portion of a hinge body 3. The engagement piece 45 is elastically deformed such that its distal end portion is displaced radially inward of the hinge body 3, thereby the engagement piece 45 is allowed to extend beyond a bottom surface of a key groove 41. Thereafter, the engagement body 45 is elastically restored such that its distal end portion is displaced radially outward of the hinge body 3, thereby the engagement piece 45 is engaged with the engagement recess 43.

Abstract: A door handle assembly includes a first handle and a second handle. First posts are rotatably secured to the handles, and second posts are non-rotatably secured to the handles. A threaded rod is threadably engageable with internally threaded bores formed in each first post and second post. A door panel includes bores for receiving the threaded rods so that the first handle and second handle are secured to opposite sides of the door panel when the first and second posts are engaged with the threaded rods. A door assembly includes the aforementioned door handle assembly.

Abstract: An automobile handle device comprises a handle member 2 having an arm section 3 provided with a pivot shaft insert groove 4 on the edge thereof, and a base member 30 for fixing the handle member 2 on an automobile door panel 1, wherein a cover member 37 is provided which covers the base member 30 and which has a first wall section 43 for restricting the movement of the handle member 2 in a certain direction within a rotational range of the handle member 2. This prevents a base member 30 from being detached from the handle member 2 and improves operability in the assembling process of the automobile door panel 1.

Abstract: Disclosed are methods and apparatus for stripping petals from cotton balls. In one embodiment, the cotton stripper includes an impacter for at least partially opening the cotton balls, a first cleaning mechanism to discard petals removed by the impacter, and a cotton separator for removing the remaining petals from the cotton balls. In one embodiment, the cotton separator includes a first large roller, which receives and traps the at least partially opened cotton balls from the first cleaning mechanism. The at least partially opened cotton balls rotate with the first large roller toward a first net. Petals on the cotton balls are stripped off by the first net. Petals removed by the first net fall toward the bottom of the cotton separator. A first small roller then removes the first stripped cotton balls from the first large roller. Processed cotton balls are then stored in an output area.

Abstract: A method of determining an optimal preliminary draft of sliver running consecutively through a preliminary drafting field and a principal drafting field. The method includes the following steps: setting various levels for the preliminary draft; measuring quality-characterizing magnitudes of the sliver drafted at the various preliminary draft levels; deriving sliver number deviations from the quality-characterizing magnitudes; determining a function between the sliver number deviations and the respective preliminary draft levels; forming two approximated straight lines from the function; determining a value of a point of intersection between the two straight lines; and utilizing the value of the point of intersection for setting the optimal preliminary draft.

Abstract: A fiber processing machine includes an arrangement for forwarding a sliver through a space in an advancing direction; an arrangement for continuously displacing the sliver in the space transversely to the advancing direction while the sliver is forwarded in the advancing direction; and an apparatus for detecting a presence, absence, motion or standstill of a sliver. The apparatus includes a transmitter emitting a sensor beam passing through the space transversely to advancing direction for being intermittently interrupted by the sliver during displacement thereof transversely to the advancing direction; and a receiver positioned in a path of the sensor beam for receiving a light or a dark signal dependent whether or not the sensor beam is interrupted by the sliver during displacement thereof transversely to the advancing direction.

Abstract: A cable tie wrap for bundling cable includes a coupling body and an elastic cord defining a loop attached to a cord connection end of the coupling body. The coupling body includes a projection formed on an outer surface thereof for removably hooking the loop defined by the cord to the coupling body. The projection includes an annular groove and a retaining lip formed thereon for removably nesting the elastic cord therein. The coupling body may further include at least one cord retention rib formed on the outer surface thereof for preventing the cord from slipping off the outer surface of the body. The tie wrap further preferably includes means for attaching the tie wrap to a cord to be bundled so that the tie wrap is not misplaced when not in use.

Abstract: A fastener, such as for pipe clamps, has two parts, to be connected with one another, and a movable fastening part, one part being formed by an elongated strip (2) with at least one stop. The second part has a plate (4) extending transversely of the strip with an opening (5), the width of which corresponds at least to the width of the strip (2) and of the stop. The fastening part is formed as a spring clip (7) and has at least one spring leg (6), movable against a spring force out of the width region of the strip (2) and of the stop. To make a fastener available, which is as user friendly and economical as possible, the spring leg (6) can be moved out of the width region of the strip (2) and of the stop by a rotational movement about an axis of rotation arranged approximately parallel to the insertion direction of the strip (2) through the opening (5) in the plate (4).

Abstract: A strap for securing cargo on a vehicle includes a strap and a buckle. The buckle has a releasable strap gripping device, and a cushioning material at least partially surrounding the buckle without obstructing accessibility to the gripping device.

Abstract: A fastening device for a sports article including two portions adapted to be brought closer together. This device which serves to tighten a foot, a wrist, but also a content can be used on an article of footwear, a garment, a backpack, etc. The device includes a strap, one end of which is connected to a first portion of the sports article, which passes in a return connected to a second portion of the sports article. The strap defines a portion between the end of the strap and the return. The device also includes a blocking mechanism, fixed to a second end of the strap, which cooperates with the portion of the strap for the fastening. The blocking mechanism is slidably mounted on the portion of the strap.

Abstract: A facility for mounting an electronic component includes a first circuit board having of mounting apertures. A mounting element is associate with each aperture, and includes a boss defining a bore. The boss has a first surface contacting a major surface of the first circuit board, and a second surface opposite the first surface. A pin is received in the bore, and has a lower portion protruding from the first surface of the boss and into one of the apertures. The pins lower portion definves a spece to capture a portion of the first circuit board. A fastener connected to the pin may generate compression between the spece and the boss to secure the board, and a corner-shaped protrusion on the second surface may constrain the corner periphery of a second board resting on the second surface, with the fastener also securing the second board against the boss.

Abstract: An easy-to-grip diaper fastener tab has an array of hook-shaped fastener elements arranged in parallel rows, each fastener element including a stem and a crook extending from the stem in a predetermined direction to a distal tip. The array includes a plurality of rows of fastener elements arranged such that, in each row, all of the crooks face in the same direction and parallel to the direction of the row, with the crooks of adjacent rows facing in opposite directions. The longitudinal spacing between opposing tips of adjacent hooks of adjacent rows is greater in a first portion of the array than the longitudinal spacing between opposing tips of adjacent hooks of adjacent rows in a second portion of the array, such that the crooks of the hooks of the first portion are more exposed for engaging loops than the crooks of the hooks of the second portion. Methods and molds for forming such arrays are also provided.

Abstract: A test tube retention system for facilitating an efficient and sterile lumbar puncture procedure. The test tube retention system includes a retainer structure having a first clip member, a second clip member, a third clip member and a fourth clip member connected to one another in a straight manner. Each clip member has a front opening formed for receiving and releasing a test tube. A plurality of upper cross members 50 and a plurality of lower cross members preferably extending between each of the clip members. A flange member preferably extends about the outer portion of the clip members for increasing the rigidity of the clip members with respect to one another. The flange member includes four front angled openings that correspond to each of the front openings within the clip members. The clip members preferably each have a tubular structure formed for snugly receiving the test tubes in a parallel manner to one another.

Abstract: A multi-point buckle assembly includes a body having a top opening on a top surface, a plurality of side openings, and a plurality of channels, a release button disposed within the top opening, a plurality of main tongues, and a plurality of side tongues, wherein each of the plurality of main tongues is adapted to fit into each of the plurality of side openings and each of the plurality of side tongues is adapted to fit into each of the plurality of channels.

Abstract: A sensor component comprises a ceramic support (12) with a metal film (14) applied thereto. At least one connecting wire (16) is electrically connected to the metal film (14) in a contact area (18). A fixing glaze (20) is applied to the metal film (14) and the at least one connecting wire (16) in the contact area (18). The ceramic support (12) has at least one recess (24) in the area of the fixing glaze (20).

Abstract: A thematic assembly for a casket, including a casket, an urn, a panel to be placed on a crown of the casket, a display shelf and at least one removable corner ornament for a casket including fasteners allowing the corner ornament to be readily removed from the casket without requiring the use of any tools. The purpose for providing such assembly is to allow the family of the deceased to execute a more personal and thematic funeral ceremony according to the deceased's wishes or according to the family's preferences. The elements composing the assembly are readily removable so that relative and/or close friends of the deceased may retain them after the funeral ceremony in remembrance of the latter.

Abstract: A nozzle for the treatment of threads is divided in the conveying direction into a conveying part, a compression section and a guiding part. The compression section, for the purpose of forming a yarn plug, includes fixedly arranged radially and axially directed lamellar. The ends of the lamellar which face the guiding part are neither in contact with each other nor with any surrounding parts of the nozzle so that fibers which are located in the gaps between the lamellar, and which radially exit the channel being formed by the lamellar can reach an inlet funnel of the guiding part or a plug guide tube respectively, without colliding with any edges.

Abstract: The device (80) described can be used in universal fashion for the intermingling, relaxing, and/or thermosetting of filament yarn (50) in a melt spinning process. It comprises a treatment chamber (80, 81), which is capable of being filled with a gas under essentially static overpressure and increased temperature, and features an intake aperture (83) and an outlet aperture (84), designed for preference as nozzles, for the passage of the yarn (50), through which the gas can flow, under pressure relief, respectively in or against the direction of the run of the yarn (50).

Abstract: The invention provides an air opening jet for use in a process for making a rectangular structure made from a tow of fibers, such air opening jet including a housing, an air jet for moving the tow through the housing and opening the tow, and an accumulating chamber that includes at least one, and preferably two, perforated plates located in the path of the moving tow, and an air control arrangement for controlling the flow of air so that the moving tow is urged into engagement with the perforated plates to retard movement of the tow and cause it to properly accumulate in the accumulation chamber. The invention also includes methods for using the air opening jet apparatus to produce multi-tow band products, and products produced by such methods.

Abstract: A method for producing the piezoelectric thin film is based on a sol-gel process and comprises the steps of: coating a substrate with a sol composition comprising a sol, of a metal component for constituting a piezoelectric film, and a polymer compound and then drying the coating to form a film; pre-sintering the film to form a porous thin film of gel comprising an amorphous metal oxide; pre-annealing the porous thin film of gel to convert the film to a film of a crystalline metal oxide; repeating the steps at least once to form laminated films of a crystalline metal oxide; and annealing the films thus prepared to grow crystal grains of perovskite type in the film into a larger size.

Abstract: A method of designing and manufacturing a piezoelectric component which includes a case, a piezoelectric resonator in the case, a terminal including an external connecting portion extending from an opening of the case, and a spring member to contact the piezoelectric resonator and the terminal in the thickness direction, includes the step of designing the spring member such that the piezoelectric resonator and the terminal are held by a holding pressure in range not larger than Fmax when a spring height is Smax, where a thickness range of the piezoelectric resonator, the terminal and the spring member is not smaller than the minimum value of Tmin and not larger than the maximum value of Tmax, a dimension, range of the case interior is not smaller than the minimum value of Wmin and not larger the maximum value of Wmax.

Abstract: A method of manufacturing a surface acoustic wave apparatus includes the steps of bump-bonding a surface acoustic wave element and a base member together through metal bumps having a melting point of about 450° C. or higher such that the surface acoustic wave apparatus is fixed in a face down configuration to a bottom surface of a recess of the base member; and bonding a cap member and the base member with a wax material by heating the cap member and the base member uniformly at a temperature higher than a melting point of the wax material to melt the wax material.

Abstract: Pre-strained electroactive polymers are described that improve conversion from electrical to mechanical energy. When a voltage is applied to electrodes contacting a pre-strained polymer, the polymer deflects. This deflection may be used to do mechanical work. The pre-strain improves the mechanical response of an electroactive polymer. Also described herein are actuators that include an electroactive polymer and mechanical coupling to convert deflection of the polymer into mechanical work. Further described are compliant electrodes that conform to the shape of a polymer. Methods for fabricating electromechanical devices including one or more electroactive polymers are also described.

Abstract: An apparatus for refurbishing a belt, the latter having a width, a length and a degraded surface. The apparatus includes a frame, a grinding roller for selectively and uniformly removing a determined amount of the degraded surface along the belt width, and a positioning member to keep the belt in position during refurbishment, both the roller and the positioning member are mounted on the frame adjacent to each other. The grinding roller defines a helical grinding region thereof and a substantially complementary helical non-grinding region thereof. The positioning member has a belt abutment member spacedly positioned relative to the grinding roller to abuttingly retain the belt against the roller and a belt tensioning member to tension the belt in either side of the roller in the displacement direction of the belt.

Abstract: The present invention is a tire valve tool for use in servicing valve stems in tubeless pneumatic tire rims. The tool may be used to install a valve stem into a tire rim and may also be used to extract a valve stem from the tire rim. The tool includes a clamping jaw assembly at one end of an elongated handle. A lever arm attached to one of the clamping jaws serves to provide both a fulcrum point for accomplishing a mechanical advantage in pulling on the valve stem and as a lever for applying a closing force to the jaw assembly in order to grip the valve stem. The clamping jaw assembly is shaped so that valve stems in rims with recessed valve stem openings can be grasped below the main rim surface without causing damage to the rim surface. The tool preferably incorporates a non-marring material for the fulcrum end of the lever in order to minimize damage to the rim surface.

Abstract: A kit of tooling components for use in facilitating the removal as well as the installation of a crankshaft seal includes a housing assembly which is constructed and arranged for attachment to a crankshaft seal during the removal procedure and for pushing the crankshaft seal into position during the installation procedure. The kit further includes a guide pin which is constructed and arranged for insertion through the crankshaft seal and into one of the crankshaft seal mounting holes in order to establish proper alignment for the crankshaft seal as it is pulled off during the removal procedure and as it is pushed on during the installation procedure. The kit further includes a plurality of self-tapping screws which are used during the removal procedure for attaching the housing assembly to the crankshaft seal.

Abstract: A process for assembling micro-optical systems, such as optoelectronic and/or fiber optic components uses solder self-alignment to achieve a coarse, passive alignment of optical components relative to the optical bench. The fine, final alignment is performed using plastic deformation of the optical components to thereby improve the alignment of the optical components. As a result, the sub-micrometer alignment accuracies are attainable, if required.

Abstract: A method as well as an apparatus manufactures a punch riveted joint, wherein at least two layers are pressed by a holding-down device against the die and a rivet, in particular a semitubular rivet, is provided for joining the layers. The holding-down device is connected by a coupling unit to the punch in such a way that during a punch riveting operation a coupling of the holding-down device to the punch may be varied between a substantially rigid coupling state and an uncoupled state.

Abstract: The present invention relates to a method of using an apparatus for restricting access to ports that may be disposed in a bonnet that houses valves on a railcar. More specifically, the present invention relates to a method of using a template that may be lowered over the bonnet of the railcar wherein the template has a plurality of differently-sized holes to allow access to specially-sized nozzles. In addition, the valves may be eduction valves and/or vapor valves, and the apertures may allow a specific-sized nozzle to have access to the eduction valves, the vapor valves or both. The template may lower onto the bonnet via a frame that may be pivotally attached to a structure. Further, joints and bearings may be provided to allow the template to be movable so as to precisely fit over the bonnet of the railcar.

Abstract: A windshield lift acting between the floor of a vehicle and the inside surface of the windshield with the aid of suction cups to apply an outward force to place the seal which bonds the windshield to the vehicle frame under tension. The peripheral seal can then be easily cut with a knife.

Abstract: A machine for fastening rail plates to cross-ties, utilizing spikes or the like, and method therefore, is disclosed in the present invention. The preferred apparatus of the present invention teaches a system wherein there is provided a conveyor for conveying a plurality of laterally arranged, aligned ties, a loader for loading a single tie upon a template conveyer, and a positioner for positioning a tie at each station during the pre-plating process. The present invention further includes a template system for securing the cross-tie or tie in place, feeding and positioning the rail-plate in place, feeding, dispensing, and positioning the spikes in place, driving the spikes, and discharging the processed tie, the template system utilizing as a principle motive force the displacement of the template reciprocating drive piston for positioning the template, as well as dispensing the plates.

Abstract: A top cover installation station with a feeder assembly and a robotic assembly for installing a top cover with top cover fasteners on a basedeck of a disc drive. The feeder assembly supports top cover wireframe caddies, each caddy containing top covers. A dial assembly transports each caddy into alignment with an elevator assembly that aligns the top cover with an escapement assembly that removes the top cover from the caddy. The robotic assembly has a positioning assembly supporting a pair of Z-axis end effector assemblies, the positioning assembly transporting the pair of effector assemblies to predetermined positions. A first end effector assembly picks and places the top cover adjacent the basedeck and a second end effector assembly grips and secures the top cover onto the basedeck via the top cover fasteners.

Abstract: A seal retaining system for retaining a seal ring in a pipe coupling, wherein a plurality of seal ring retainers are connected to a flange around the periphery of a seal seat and wherein the retainers can be moved from an open position in which a seal ring can be placed on or removed from the seal seat to a closed position in which the seal ring is retained in position on the seal seat. In one embodiment, each retainer comprises a rotatable cam having a lip which extends generally around the circumference of the cam, but is truncated on one side. When the truncated portion faces the seal seat, the seal ring can be installed or removed. When the truncated portion faces away from the seal seat, the seal ring is held in position on the seal seat. The cams may be attached with bolts that can be sheared off if the cams are frozen in position.

Abstract: Riveting apparatus wherein a planetary roller screw delivers the high forces required for actuating the fastener upset tooling. In order that precise control of the entire upset operation may be obtained, a servo-controlled electric motor operates the actuator. In order that different machining operations may be performed on a workpiece without having to provide an actuator for each tool, the tools are engaged in turn by the actuator for performing riveting and other machining in succession.

Abstract: A process for producing thick aluminum/aluminum alloy sheet useful for truck parts and the like includes the steps of feeding molten aluminum/aluminum alloy (10) into a direct casting apparatus (12) to provide an ingot that is subjected to a cooling (15) and optional scalping step (14), followed by hot rolling (18) to provide a sheet having a thickness for from about 3.2 mm to 5.8 mm and is suitable to coil in step (20), and where the sheet is cooled (21) to less than to 60° C. and cold rolled (22, 24) at from about 120° C. to 160° C. to reduce the sheet to about 0.9 mm to 1.5 mm to 160° C., where heat generated during the cold rolling (22, 24) stabilizes the sheet without additional energy intensive oven furnace annealing. The reduced sheet can then be trimmed (28) and coated (30) as with paint or the like.

Abstract: A niobium-based superconductor is manufactured by establishing multiple niobium components in a billet of a ductile metal, working the composite billet through a series of reduction steps to form the niobium components into elongated elements, each niobium element having a thickness on the order of 1 to 25 microns, surrounding the billet prior to the last reduction step with a porous confining layer of an acid resistant metal, immersing the confined billet in an acid to remove the ductile metal from between the niobium elements while the niobium elements remain confined by said porous layer, exposing the confined mass of niobium elements to a material capable of reacting with Nb to form a superconductor.

Abstract: A disc drive assembly method for assembling a disc drive having a disc and an actuator with a tab portion disposed at a proximal end and a head on the distal end. The method consisting of rotating the actuator about a central post, contactingly engaging an outer stop. The outer stop comprises a base plate, a post extending upward from the base plate and a cantilevered arm extending outward from the post. The cantilevered arm of the outer stop is displaceable in a rotational direction substantially about the post and deformable in a direction substantially along its longitudinal axis. When the actuator engages the outer stop, the arm of the outer stop is displaced by the actuator tab portion, allowing rotation thereby, merging the heads onto the disc. Once the heads are merged, the outer stop returns to its original position to limit the rotation of the actuator assembly.

Abstract: The preferred orientation, or planar oscillation plane, of a golf club shaft is located by measuring the oscillation of the shaft when a horizontal impulse is applied and from those measurements determining an orientation in which the oscillation would be substantially planar. In a preferred embodiment an iterative process is used to converge on the preferred orientation. The location of the preferred orientation may be marked on the shaft and used to assemble a golf club with the planar oscillation plane in a predetermined orientation. The assembly of the golf club can be done manually—e.g., in a refitting situation—or automatically—e.g., in a new club manufacturing setting.

Abstract: A machine which greatly reduces the labor required for repairing flat roofs on commercial and industrial buildings. Formerly, old roofing material usually had to be removed manually from the roof deck before new material could be installed. Removal of this old material was the most labor intensive part of the job. The present labor-reducing machine not only scrapes off the old roofing from the roof deck but also loads any material so scraped into a cart for removal from the roof. The machine comprises a pair of drive wheels, a flat conveyor belt, and a chisel-like front member. To begin the removal process, the latter is first wedged between the old roofing material and the roof deck; and then the drive wheels are used to push the chisel-like front member, when it so wedged, forward. The flat belt conveyor is mounted in close proximity to the front member so that as the old roofing material is being dislodged, it is directed onto the belt.

Abstract: In accordance with the objectives of the invention a new method and apparatus is provide for assuring contact balls coplanarity. The process and apparatus for coplanarity inspection is integrated with the current processing step of BGA device singulation and pick-and-place, thereby eliminating the need for a separate processing step that is typically required for the coplanarity inspection.

Abstract: A ball grid array package comprises a substrate having a first surface and a second surface, a chip, an insulating material, and a solder ball. The surface of the substrate comprises ball pads, conducting traces, and solder masks wherein the conducting traces are disposed in between the adjacent ball pads, and are covered by the solder mask, in addition, a portion of each of the ball pads is also covered by the solder mask. The solder mask includes an opening positioned in the area corresponding to the ball pads wherein the opening exposes a portion of the surface the ball pad and a portion of the side wall of the ball pad. The chip is disposed on the second surface of the substrate, and is sealed and encapsulated by the insulated material. The solder balls are disposed on the first surface of the substrate, and are positioned at the openings of the ball pads.

Abstract: The present invention provides a method of forming a solder ball on a portion, e.g., one end, of a contact. In one exemplary embodiment, the contact is a terminal pin which is intended for use in an electrical connector and more particularly, for use in a solder ball grid array (SBGA) connector. Generally and according to one embodiment, the method includes providing the contact along with a solder-holding clip having a body with an opening. The body has a solder-holding conformation adjacent the opening and a solder mass is held by the conformation. The contact is then positioned proximate to the body opening and heat is applied to the solder mass causing the solder to reflow so that the solder flows into a spherical shape. This results in a solder ball being formed on the portion of the contact. Subsequent to forming the solder ball, the solder-holding clip is separated from the contact leaving a contact with a solder ball affixed thereto.

Abstract: The invention relates to a method and device for producing printed circuit boards and electric conductors. The inventive device comprises a station where a conductive layer is fixed to a support material, a cutting station, connected to the first station so that the conductive layer can be cut to form a conductor and a station where cuttings are removed.

Abstract: A method of making microelectronic assemblies includes temporarily securing one or more microelectronic elements in place on one or more components using one or more temporary securements extending between the microelectronic elements and components and adhering to the elements and components. Conductive features of the elements are connected to conductive features of the components and the temporary securements are released.

Abstract: The present invention provides methods of forming mud motors. In one method, rollers are urgingly stroked against a tubular member having a mandrel therein that has an outer profile which is the inverse of the desired profile of the stator. In another method, rollers are urged and rotated radially on the tubular member with the mandrel disposed in the tubular member. In yet another method, dies are pressed against the tubular member having a mandrel with a desired outer profile. In another method, a molten metal is deposited over a mandrel with an outer lobed surface that is substantially the inverse of the desired inner profile of the stator housing. The mandrel is then removed, leaving a metallic longitudinal member having an inner profile defined by the outer profile of the mandrel. In each of these methods, the inner surface of the resulting member has the profile defined by the outer profile of the mandrel.

Abstract: A fuel injector for an internal combustion engine is provided. The fuel injector includes a housing and an armature/needle assembly reciprocally mounted in the housing. The armature/needle assembly includes an armature having an armature end and a longitudinal armature channel extending therethrough and a needle having a longitudinal needle axis and a first needle end inserted in the armature channel. The first needle end is fixedly connected to the armature end. The assembly also includes at least one flow channel between the armature and the needle. The fuel injector further includes a valve seat located downstream of the needle. The needle is selectively engageable and disengageable with the valve seat to preclude fuel flow through an opening in the valve seat and to allow fuel flow through the opening in the valve seat, respectively. A method of forming the armature/needle assembly is also provided.

Abstract: A method is disclosed for reconditioning blades for turbo-machinery that have a material deficiency resulting from wear and tear, damage, or dimensions that are smaller than specified, in which material is removed, at least from parts of the blade, and is replaced with new material. The actual geometry of the blade is measured at certain specific points and is stored. The desired geometry, or the desired profile in its desired position, is determined via data processing technology. The desired geometry is compared with the actual geometry, and in cases of significant deviations in position, is adjusted to coincide with the actual geometry. The adjusted desired geometry is mathematically reduced by a defined amount of coating to be removed. The calculated net geometry is actually produced via the removal of material, at least over part of the blade, and new material is applied to the finished net geometry, until the desired profile is achieved.

Abstract: A regeneratively coolable nozzle for a rocket engine is formed by winding a tubular material (6) onto a winding mandrel to produce a helical composite structure (5), through which a coolant can flow during operation of the nozzle. The spiral composite structure (5) is fixed temporarily and the fixed composite structure (5) is removed from the winding mandrel. Then an inner heat resistant, load bearing layer (9) is applied to the radially inner hot-gas facing surface (H) of the fixed composite structure (5). The present nozzle is lightweight and withstands a high coolant pressure.

Abstract: A method for making a valve assembly is disclosed. The method includes providing a first work piece having a longitudinal axis and a first end and providing a second work piece having a surface. The method also includes disposing the first work piece and the second work piece axially between a pair of aligned elements that are relatively movable toward and away from each other along the longitudinal axis of the first work piece. Additionally, the method includes relatively moving the pair of aligned elements toward each other to axially clamp the first work piece and the second work piece and actuating the pair of aligned elements and delivering to the first work piece and the second work piece a controlled clamping force that acts to coin a zone of surface contact between the first end and the surface. Further, the method includes repeating the actuating of the pair of elements a plurality of times. An apparatus used to perform the method is also disclosed.

Abstract: A method of assembling a valve module of a fuel injector for fuel injection systems of internal combustion engines is described. The fuel injector includes an electromagnetic actuating element having a magnet coil, an internal pole, an external magnetic circuit part and a movable valve closing body which works together with a valve seat assigned to a valve seating body. The valve seating body and the internal pole are arranged in an internal opening in a thin-walled valve sleeve, and the magnet coil and the external magnetic circuit part are arranged on the outer periphery of the valve sleeve. First, the magnetic circuit part is pushed onto the valve sleeve, then the valve seating body is pressed into the internal opening in the valve sleeve, so that a fixed connection between the valve sleeve and the magnetic circuit part is achieved by simply pressing the valve seating body into position.