Abstract: A turbine rotor blade that includes an airfoil defined between a concave pressure face and a laterally opposed convex suction face, and a cooling configuration that includes a cooling channel for receiving and directing a coolant through an interior of the rotor blade. The cooling channel may include fluidly connected segments, in which: a supply segment extends radially through the airfoil; an outlet segment discharges the coolant from the rotor blade at a shallow angle relative to a flow direction of a working fluid through the turbine; and an elbow segment connects the supply segment to the outlet segment and is positioned near the outboard tip of the airfoil. The elbow segment may be configured for accommodating a change of direction between the supply segment and the outlet segment.

Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.

Abstract: An arrangement is provided for a helically undulated pipe made of metal, which has an end face extending along a turn of the thread of its undulation and a connecting element to be fastened to the pipe. The connecting element includes a pipe piece which has a helically extending inner surface corresponding to the turn of the thread of the undulation of the pipe. The pipe piece is mounted on the pipe in the undulation of the pipe. A metal ring is arranged on the pipe piece, where the pipe piece has sections with different inner diameters arranged one behind the other in the axial direction.

Abstract: A method for welding half shells and thus a method for producing large volume components, such as an inner housing for a steam turbine is disclosed. Two half shells are connected to each other forming a tube-like cross section, and are welded by means of a girth weld to two further half shells that are connected to each other.

Abstract: A manufacturing method of a seamless faucet has following steps: punching to shape a cover and a dispersing base respectively; welding a threaded connector at a center of the cover and welding an insertion on the dispersing base; selectively polishing surfaces of the cover; optionally arranging a resilient pad and a guiding plate inside the dispersing base; combining the cover and the dispersing base and then welding into a body in one-piece; and polishing and electroplating the body to eliminate the seam to obtain the seamless faucet that has low manufacturing cost, thin thickness and stylish appearance.

Abstract: The invention provides a method of making a component from first and second parts which are joined in a welding process wherein a laser beam is transmitted in a direction from a laser source and at least partly into a gap. The gap is made between edges of the component, and to enable a faster laser welding process, the laser has a focus point size which is at least of the size of the gap. To enable better control of the width of the gap, the invention further provides a method and components wherein one part is formed with a neck which extends into a complementary socket of the other part to prepare the parts for the welding process. The invention in particular concerns welding of brass.

Abstract: A method of welding an adapter fitting to a fitting on a measuring device system. The present disclosure also provides for a measuring device system having a first fitting that includes a stem, a second fitting that defines an opening sized to receive the first fitting, where the second fitting also defines an abutment face, wherein the second fitting is positioned around the first fitting with the abutment face abutting an outward end of the first fitting, and where at least one weld secures the first fitting to the second fitting.

Abstract: A method of connecting a metallic bolt to a plastic work piece is shown and described. The object to provide a method which makes possible a reliable connection between metal workpieces on the one hand and plastic workpieces on the other hand is achieved in that a first plastic work piece and a metallic bolt are provided, and in that the bolt is pressed into a surface of the first plastic workpiece, the bolt being rotated during the pressing-in, and the rotational speed of the bolt being selected in such a way that the first plastic workpiece is plasticized, so that the bolt is anchored in the first plastic workpiece in a positive-locking manner after the rotation is stopped.

Abstract: The present disclosure provides for a method of welding an adapter fitting to a fitting on a measuring device system. The present disclosure also provides for a measuring device system having a first fitting that includes a stem, a second fitting that defines an opening sized to receive the first fitting, where the second fitting also defines an abutment face, wherein the second fitting is positioned around the first fitting with the abutment face abutting an outward end of the first fitting, and where at least one weld secures the first fitting to the second fitting.

Abstract: A process for manufacturing a vacuum insulated stainless steel coffee server, which includes the steps of welding an outer shell (32) to an inner liner (34) then placing a ceramic ring (38) in a vacuum base (40) and slipping the vacuum base on the shell with the spacer forming a welding gap therebetween. The next step is welding the vacuum base to the shell at the welding gap formed by the ring and applying brazing powder and flux around a hole (36) in the liner, followed by inserting a threaded coupling (48) through the hole and a mating bore (42) in the base, with a first nut (52) on the coupling acting as a shoulder. The next step is applying brazing powder and flux around the nut and the bore in the vacuum base and then positioning the coffee server in a vacuum furnace and evacuating, while simultaneously elevating the temperature joining the coupling to the contiguous structure.

Abstract: In the fabricating of a mandrel bar, a plurality of used mandrel bar segments are provided, each of which has a central bore comprising a smooth surface portion and a threaded portion. Each segment has a circumferential recess at an end thereof and a bevelled surface adjoining the recess and extending inwardly of the segment at an angle to the vertical. A coupling has a smooth central boss section and threaded ends. A connection is made by threadedly connecting the ends of the coupling with a pair of opposed mandrel segments, with the smooth boss of the coupling fitting inside the smooth portion of the bore of each segment to effect, with the threaded joint, a straight, tight joint. A weld groove of gull-shaped cross-section is provided between the opposed ends of a pair of mandrel segments, having a body portion formed by a pair of opposed bevelled surfaces and wings formed by a pair of opposed recesses.

Abstract: An apparatus for use in inflating an air bag comprises a container (15) containing a supply of inflation fluid. The container has a first outer surface (19) and an inner surface (26) which is threaded and defines a threaded opening extending into the container from the first outer surface. A plug (40) has an outer periphery (45) which is threaded. The plug is screwed into the threaded opening in the container. The outer periphery of the plug includes a second outer surface (51) adjacent the first outer surface of the container. The outer periphery of the plug and the inner surface of the container that defines the threaded opening comprise an interface (11) between the plug and the container. The interface extends to the periphery of the container between the first and second outer surfaces. A ring (30) overlies both the interface and portions of the first and second outer surfaces.

Abstract: A method of applying corrosion resistant liners to the structural steel walls of flue gas lines, flue gas treating apparatus, scrubbers and the like. The wall to be protected is provided with spaced apart bores and the liner sheets are applied to the inner surface of the structural steel wall. The studs are joined to the sheets by stud welding and the sheets are then drawn tightly against the wall by the application of tensile forces to the studs. The studs are subsequently gas tightly joined to the wall, e.g. by welds. An alternative method of attachment uses a screw thread on the stud and the nut which is threaded onto the stud and bears against a washer and a sealing ring which is pressed against the wall around the stud.

Abstract: A method and an apparatus which non-metallurgically attaches two dissimilar metals and, in particular, but not by way of limitation, a method and an apparatus for non-metallurgically attaching corrosion resistant metals to non-corrosion resistant metals.

Abstract: A connection arrangement with profiled parts contains, in at least one hollow chamber in a profiled part, a connecting element by means of which a connection with the other profile part is effected. The purpose of the invention is to provide, at low manufacturing cost, a reliable connection and to eliminate any after-treatment of surfaces in the vicinity of the connection. It is proposed that the connecting element be secured to the web of the first profiled part and that a length thereof projects, prior to welding, beyond the front surface; and that, after welding, the weld-zone be arranged in the hollow-chamber in the second profiled part and be at a distance from the adjacent front surfaces of the profiled parts.

Abstract: A stainless steel wheel trim ring is constructed of an outer ring and a grip annulus. The outer ring is formed of a sheet metal band which is constructed from a rectangular blank having a pair of wedge shaped strain relief notches in a longitudinal edge adjacent to each end. The blank is welded at the joined ends to form the band. During manufacture, the band is expanded in the order of 25% at the longitudinal edge. A crimped peripheral bead along the longitudinal edge secures the grip annulus to the outer ring.

Abstract: A lid (9;21;22;25) is welded to the front storage opening of a container base (1). To improve the stress corrosion cracking characteristics in the area of the welding seam it is proposed that during welding the lid (9;21;22;25) be kept in contact with a contact surface (5) of the container base (1) under a preset pressing force which considerably exceeds the weight of the lid. The invention is also directed to a correspondingly shaped container. The preset pressing force is preferably maintained by a threaded engagement or a shrink engagement between lid and base.

Abstract: A strong transition joint between an aluminum plate and a steel object includes an aluminum sleeve adapted to be fusion-welded to the aluminum plate and a titanium core explosion-welded to the aluminum sleeve in the center thereof with the titanium core having an internally threaded hole adapted to receive a steel bolt so that the occurance and economic consequences of corrosion are minimized.

Abstract: A ceramic fiber mat attached to the interior wall or surface of a high temperature chamber of furnace or adapted to overlie an intermediate insulating member positioned between the mat and a furnace wall, the fibers in the mat lying in planes generally perpendicular to the wall, the mat constituting an improved insulation for the wall where the interior of the chamber or furnace will be operating at temperatures in excess of 1600.degree. F.

Abstract: A fastener plate is provided for use in securing together structural elements. The plate includes a base plate to which is ultrasonically welded at least one fastening element which may include, for example, an externally-threaded, stud-like fastening element, or an internally-threaded fastening element. A method for fabricating said plate is further described, said method comprising the steps of locating said at least one fastening element on said base plate and then ultrasonically welding said element to said base plate using an ultrasonic welder which includes a center aperture and which is adapted to effect a weld between the annular base portion of the fastening element and the base plate. In an alternative embodiment, at least one locking ring may be used to overlay the annular base portion with the weld being effected between the ring and the base portion.

Abstract: An improved method of manufacturing a vacuum booster housing for use in a brake system of an automotive vehicle where the brake master cylinder is secured to an annular wall portion of the body of the booster housing by means of bolts passing through holes in the annular wall portion. The method comprises forming annular projections on the seating faces of the heads of the bolts coaxial with the bolt shafts and on the inside surfaces of the annular wall portion coaxial with the holes, disposing a reinforcing plate between and in contact with the annular projections, and simultaneously projection welding the reinforcing plate to the inside surface of the annular wall portion and the seating face of the bolt head to the reinforcing plate.

Abstract: The invention relates to a method of manufacturing large diameter axial sealing rings from hard-metal blocks which are placed in an annular groove said blocks being secured within said groove by filling said groove with liquid solder and circumferentially pressing the radial end faces of the blocks within said liquid solder filled groove against each other by means of radially acting clamp bolts.

Abstract: In an electrical switchboard, the body of an aluminum connector is welded to a riser bus. Bolts clamp a horizontal busbar in electrical connection with the connector body and, at the same time, fixture the horizontal busbar with a projection of the connector body protruding through an opening in the horizontal busbar. The projection is then welded to the horizontal busbar along the edges of the opening therein to create a bolted/welded joint electrically connecting the horizontal busbar to the riser bus. The projection is of sufficient height to accommodate plural coextensive horizontal busbars of a multiple bar bus run, common, bolted/welded electrical connection with the riser bus.

Abstract: A furnace lining is composed of a plurality of layers of fiber insulation. The innermost layer is formed by stacking flat, elastically-compressible fibrous strips. The stacked strips are compressed and held down in compressed condition by a plurality of anchor members secured to and projecting perpendicularly from the furace wall and extending between selected strips of said innermost layer. The elastic compression applied to the strips creates a frictional grip between the strips and the anchor members, which maintains the lining in a stable mounted position. The lining may also include an intermediate layer between the innermost layer and the furnace wall, this intermediate layer being also formed of superimposed, strips stacked flat upon one another, with the intermediate layer frictionally anchored to the outermost layer.

Abstract: Decorative leaded panels of translucent or transparent thermoplastic material, such as windows, lampshades, or illuminated signs, are made by affixing metallic lead strips to the surface of a thermoplastic sheet by means of solderable securing means such as lead bolts, lead rivets or molten lead inserted through an aperture drilled through the lead strip and at least part way into the body of the thermoplastic sheet, and then soldering to complete the joint. The lead strip may delineate and surround portions of a decoration such as a painting applied to one surface of the thermoplastic sheet so that the finished article may have the appearance of a leaded stained glass window. An additional sheet of transparent or translucent thermoplastic may be applied to the decorated surface so as to protect the decoration.

Abstract: Brazing alloy on detailed aluminum parts is formed in an exact pattern of the joints to be brazed. An aluminum sheet having brazing alloy coated on one or both sides (e.g., a brazing sheet) is plated with electroless nickel and electrolytic copper which are etched by use of a photoresist mask into a mask which outlines the pattern. The brazing alloy coating is then chemically milled to form the exact pattern of the joints. Parts are then assembled and dip brazed to form the completed brazed unit.

Abstract: A tile which forms part of a wear-resistant lining that covers a metal backing has a tapered hole and is held against the backing by a fastening device which fits into the tapered hole. The fastening device includes a threaded element that projects from the backing into the hole and an anchor that threads over the threaded element. The anchor fits completely within the tapered hole and has a tapered side wall, the taper of which corresponds to that of the hole.

Abstract: A gooseneck for a hot chamber die casting machine, which gooseneck includes a compression chamber having a pressure piston movably mounted therein with the compression chamber being in communication witha conical mouthpiece by way of transverse and vertical passages. The mouthpiece is arranged in a neck projecting from the gooseneck with the entire gooseneck being forged from a heat-resistant tool steel. The area of the casting container which includes the compression chamber and the vertical passage has in cross-section the form of two cylinders with parallel axes. A heating device may be provided for heating the projecting neck portion forming the mouthpiece of the gooseneck and a further heating construction may be provided for heating the injection nozzle to prevent the solidification of a melt therein.

Abstract: A welded joint between two telescoped and threaded together inner and outer parts of an assembly wherein the joint may be cut apart to permit unthreading of the one part from the other and for their subsequent reuse after repair or cleaning of the assembly. The inner part has an external thread and has a cylindrical portion between the external thread and the welded joint for expanding any inwardly projecting burr that may be formed on the outer part during the cutting operation so that the burr may pass over the external threads without damaging the same when the parts are unthreaded from each other. The invention is particularly adaptable for use with fuel injection nozzles but has use in other applications where welded together threaded parts are subject to disassembly and reuse.

Abstract: A structural unit that is specially formed to include four welded corner sections, which can be temporarily connected together in pairs to form two smaller units for transportation to the point of use, and which can then be assembled together to form a large rectangular structural unit that may have a variety of uses, such as in conveying fluids, or in the construction of buildings, bridges or the like, or in forming tunnels, shafts or the like.

Abstract: A ceramic fiber module, suitable for lining furnaces, comprises a weldable (metallic or perforate refractory) backing and a number of ceramic fiber mats cemented to the backing by the edge of the mat, so as to leave a portion of the backing accessible between mats or on their perimeter, for welding. The weldable backing is welded to a metallic substrate, preferably by use of spherical attachments, to provide thermal protection to the metallic substrate.

Abstract: A method for interconnecting adjacent batteries applicable to the combination of a plurality of batteries into a single battery system. An alloy having a melting point in a range of from 40.degree. C to 180.degree. C and formed into a foil is inserted between the terminals to be connected together, or between a terminal and a conductor to be connected together, and the alloy is then heated to a temperature higher than its melting point.

Abstract: A connector assembly for joining two half coils conductors in the form of straps are joined at one end in electrical contact with the header caps of two water cooled half coils. The unattached ends of each group of conductor straps are tinned with soft solder and interleaved with the straps of the other group. A plate is disposed on both sides of the interleaved joint and a bolt is inserted through both plates and the interleaved joint. The bolt is tightened to produce compressive union between the interleaved straps for good electrical contact. The joint is heated to coalesce the solder with the conductor straps thereby forming a metallurgical bond. The bolt is then torqued to reestablish the initial tightness to ensure a good mechanical and metallurgical joint.

Abstract: Means for use in sealing the joints between the parts of a multi-part housing, for example a two-part turbine housing, pump housing or the like. Said means comprises a rail of a material of the same type as that of the housing parts to be sealed and a strip of a higher-grade material than that of said rail disposed on the rail. Said rail with the strip of said higher-grade material being adapted to be disposed in a groove in the surfaces of the housing parts to be sealed.

Abstract: A method of connecting beams having an H-shaped section to a column having an H-shaped section of a steel frame construction with upper and lower flange fittings. The flange fitting comprises a substantially rectangular base plate to be connected to the column having centrally a continuous thicker portion from which the base plate is tapered toward opposite ends of the base plate, a supporting plate projecting from the thicker portion for supporting a flange of the beam and a reinforcement on the base plate forming a T-shaped portion with the supporting plate. First the supporting plate of the upper flange fitting is secured to one end of an upper flange of the beam in end-to-end relationship and the base plate of the lower flange fitting is bolted in position to the column.

Abstract: A ceramic fiber mat attached to the interior wall or surface of a high temperature chamber of furnace or adapted to overlie an intermediate insulating member positioned between the mat and a furnace wall, the fibers in the mat lying in planes generally perpendicular to the wall, the mat constituting an improved insulation for the wall where the interior of the chamber or furnace will be operating at temperatures in excess of 1600.degree. F.

Abstract: A method of lining a steel wall surface with an elastomeric material which involves applying a layer of elastomeric material against said steel wall surface and holding said elastomeric material against said steel surface with a plurality of bolts and washers, said bolts being butt welded to said steel surface.

Abstract: A ceramic fiber mat attached to the interior wall or surface of a high temperature chamber of furnace or adapted to overlie an intermediate insulating member positioned between the mat and a furnace wall, the fibers in the mat lying in planes generally perpendicular to the wall, the mat constituting an improved insulation for the wall where the interior of the chamber or furnace will be operating at temperatures in excess of 1600.degree. F.