Abstract: A method for producing a sealing element for forming a seal on a vehicle body, in particular a vehicle door; in the method, a profiled strip section is subjected to punching, and/or an additional element portion of the sealing element is molded onto a profited strip section. The profiled strip section is provided with a projection that extends transversely to the longitudinal direction of the strip, and the projection is used for positioning the profiled strip section relative to a punching die or injection mold in the longitudinal direction of the strip.

Abstract: It is an objective of the present invention to provide a metal laminate material, which has sufficient strength as well as molding processability, lightweight properties, and radiation performance, which is a metal laminate material that has a two-layer structure of a stainless steel layer and an aluminum layer or a three-layer structure of a 1st stainless steel layer, an aluminum layer, and a 2nd stainless steel layer, wherein tensile strength TS is 200?TS?550 (MPa), elongation EL is not less than 15%, and a surface hardness Hv of the stainless steel layer is not more than 300 for the metal laminate material.

Abstract: A spacer frame assembly and method of assembly includes a substantially linear channel comprising two lateral walls and a base wall. The channel has first and second ends that when assembled, includes at least three sides and corresponding corners between each of said sides. The first end includes a connecting structure and the second end includes an opposite frame end. The opposite frame end has an opposite channel for receiving a nose portion of said connecting structure. The opposite channel includes stiffening flanges extending inwardly from the lateral walls relative to the channel. The connecting structure further includes a first aperture in the base wall comprising a first projection into the channel and the opposite channel comprises a second aperture in the base wall comprising a second projection into the channel. Wherein the first projection tactilely interweaves with the second projection when the spacer frame is assembled.

Abstract: A golf club that utilizes multiple materials to achieve improved performance is disclosed herein. More specifically, the present invention relates to a method of forming golf club that utilizes different materials to construct different portions of the iron type golf club head allowing weight to be removed from portions of the golf club head that doesn't require such weighting. The current invention utilizes a lightweight material to form a blade portion of the golf club head while utilizing a standard steel material to form the hosel portion of the golf club head to allow the malleability characteristics of a golf club head to be maintained. The weight saved from the lightweight material used to create the blade portion can then be used to create a sole insert that is made out of a dense and heavy material to improve the CG and MOI characteristics of the golf club head to dramatically improve the performance of the golf club head.

Abstract: A vertical Pittsburgh seam closing apparatus having a base supporting surface for positioning a duct section thereon in a vertical orientation, a track mechanism for moving a pair of carriage assemblies each having seam forming members used to close a Pittsburgh seam, a pair of upper and lower guide members for guiding the duct section into a proper position, and upper and lower clamping members movable between an unclamped position and a clamped position wherein each clamping member is positioned inside the duct section and adjacent the inside portion of the Pittsburgh seam to be closed, the upper guide members and clamping member being selectively movable and adjustable for accommodating different duct section lengths. In one embodiment, each seam forming assembly includes a pair of roller members mounted in vertical arrangement to each other, one roller member being V-shaped in configuration and the other roller member being substantially cylindrical in shape.

Abstract: The present invention relates to a method for connecting an end of a first metal strip to the beginning of a second metal strip, in particular in strip treatment installations, wherein the end of the strip and the beginning of the strip are positioned one on top of the other to form an overlap and are connected to one another at a number of connecting points in the region of the overlap, characterized in that the connecting points are produced by means of clinching.

Abstract: A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a first edge of the cladding material of the welded assembly does not extend to a first edge of the substrate material and thereby provides a margin between the first edges. A material that is an alloy having hot strength greater than the cladding material is within the margin and adjacent the first edge of the cladding material. The welded assembly is hot rolled to provide a hot rolled band, and the material within the margin inhibits the cladding material from spreading beyond the edge of the substrate material during the hot rolling. In certain embodiments of the methods, the substrate material is stainless steel and the cladding material is nickel or a nickel alloy.

Abstract: A method of forming a composite link fitting including joining two opposed bearing supports with an inner laminate core having a longitudinal axis extending there between. Each bearing support including a bearing bore formed as an aperture, a first stepped portion, a separate second stepped portion and a recess formed therein. The recess extending toward the bearing bore between an extent of the first and second stepped portions to a recess bottom. The inner laminate core including a central elongate layer, a first outer layer and a second outer layer, with the first and second outer layers disposed on opposed first and second sides of the central elongate layer. First and second ends of the central elongate layer disposed within respective recesses. Also, the method including wrapping an outer band around the two bearing supports and the inner laminate core to form the composite link fitting.

Abstract: A method for fabricating a hollow bar that forms elements of a grille or railing of a metalwork piece where the bar is twisted manually, machine-assisted or automated machinery, into a spiral form for decorative or ornamental purposes. By providing the hollow bar to be comprised of separate longitudinal parts which may be hinged-joined to complementarily fastened to each other to form the hollow bar, the longitudinal joints are thus amenable to increased torsional stress, such that each of the parts may be twisted without breaching the material's fatigue limit and the bar as a whole capable of being twisted with more spiral turns within its elasticity limits. The twisted bar may thus be released for re-working for adjustments or re-installation. A number of exemplary joint embodiments, internal and external bracing accessories are also disclosed to cater for the different longitudinal part fabrication, e.g. by extrusion or roll-milling.

Abstract: A method of producing a load-bearing steel construction connection, wherein a clinch connection (13) connecting a first metal workpiece (6.1, 6.2) with a second metal workpiece (6.3, 6.4) is formed by local deformation by means of a die tool (20) and a counter-tool (30). In that case initially the first metal workpiece (6.1, 6.2) and the second metal workpiece (6.3, 6.4) are placed one on the other on a processing surface of the counter-tool and aligned. The die of the die tool is then advanced and sunk into the two metal workpieces (6.1, 6.2; 6.3, 6.4) placed one on the other until the clinch connection (13) has been formed by plastic deformation. The first metal workpiece (6.1, 6.2) has a first workpiece thickness (t1) and the second metal workpiece (6.3, 6.4) has a second workpiece thickness (t2), which together give a total workpiece thickness (tt) which is thicker than 8 millimeters.

Abstract: A method and an apparatus for the attachment of a fastener element to a component, for example a sheet metal part, wherein the fastener element is a nut element and has an axis of symmetry, a head part having a contact surface which enters into contact with the component, a threaded bore and also at least one undercut which receives the material of the component, and wherein the material of the component is pressed against the contact surface and into the undercut by means of a first tool having a die button shape matching the design of the nut element. A local force is exerted on the head part of the nut element or onto the tool to the side of the axis of symmetry and is moved circularly around the axis of symmetry while simultaneously carrying out a relative feed movement between the tool and the nut element between which the component is arranged in order to press the material of the component into the undercut.

Abstract: A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a first edge of the cladding material of the welded assembly does not extend to a first edge of the substrate material and thereby provides a margin between the first edges. A material that is an alloy having hot strength greater than the cladding material is within the margin and adjacent the first edge of the cladding material. The welded assembly is hot rolled to provide a hot rolled band, and the material within the margin inhibits the cladding material from spreading beyond the edge of the substrate material during the hot rolling. In certain embodiments of the methods, the substrate material is stainless steel and the cladding material is nickel or a nickel alloy.

Abstract: A coiled tubing system may comprise a first continuous length of coiled tubing and a second continuous length of coiled tubing, the first continuous length of coiled tubing having a larger diameter than the second continuous length of coiled tubing, the second continuous length of coiled tubing being embedded within the inner diameter of the first continuous length of coiled tubing.

Abstract: A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket.

Abstract: A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a first edge of the cladding material of the welded assembly does not extend to a first edge of the substrate material and thereby provides a margin between the first edges. A material that is an alloy having hot strength greater than the cladding material is within the margin and adjacent the first edge of the cladding material. The welded assembly is hot rolled to provide a hot rolled band, and the material within the margin inhibits the cladding material from spreading beyond the edge of the substrate material during the hot rolling. In certain embodiments of the methods, the substrate material is stainless steel and the cladding material is nickel or a nickel alloy.

Abstract: This invention provides with an electric wire press fitting method, in which an aluminum core wire of each of two aluminum wires are stranded to each other and inserted into a sleeve, and the aluminum core wire of each of the two aluminum wires are compressed and swaged along with the sleeve, wherein the sleeve includes a main body made of copper or a copper alloy; and the compression is performed on the aluminum core wire of each of the two aluminum wires at a compression ratio of 50 to 85% by the main body.

Abstract: A method of manufacturing a conducting wire terminal includes the steps of: preparing a strip tube of a predetermined length; boring both ends of the strip tube separately, such that a body is formed between both ends of the strip tube and has a diameter smaller than both ends of the strip tube, and the copper sleeve is accommodated in the body; and compressing an intersection of both ends of the strip tube and the body, such that a circular tapered neck is formed at the intersection of both ends of the strip tube and the body, and a circular slanting guide surface is formed separately on opposite internal surface of each tapered neck of the strip tube.

Abstract: A self-propelled apparatus for the seaming of roof assemblies for a building structure, wherein the apparatus includes multiple belt components configured parallel to one another around the same set of horizontal rollers for the alignment of panel edges in order for engagement of such horizontal rollers to perform the seaming procedure is provided. Such an apparatus exhibits a greatly reduced propensity for potentially marring, distorting, or otherwise misaligning the panel edges due to uniform pressures exerted on the target panel surfaces during use. In addition, the inventive multiple belt-drive apparatus exhibits a much lower potential for slippage during use than an apparatus utilizing multiple rollers to apply proper force during a seaming operation.

Abstract: A method of making a bearing assembly and a bearing assembly is provided. The method includes the steps of extruding a support rail, providing a mounting surface on the support rail, mounting a bearing rail on the mounting surface and machining a bearing surface on the bearing rail. The bearing assembly includes an extruded support rail and a bearing rail. The bearing rail is of a harder material than the material of the support rail to which the bearing rail is mounted. The bearing rail further provides a machine polished linear contact.

Abstract: A stack arrangement has a first plate-shaped workpiece (12), at least one another plate-shaped workpiece, and an eyelet (14; 34) that connects the first workpiece (12) and the at least one another workpiece (13), with material of the first workpiece (12) being drawn through a through-opening (15) in the at least one another workpiece (13), and with a rim (17) of the through-opening (15) of the at least one another workpiece (13) conically narrowing in a direction of the first workpiece (12).

Abstract: The invention includes a method of joining edges of adjacent honeycomb core panel sections. In one embodiment, the method includes forming a first edge along a first cellular core panel section. The first edge includes a first plurality of edge cell walls along the first edge. The method further includes forming a second edge along a second cellular core panel section, wherein the second edge includes a second plurality of edge cell walls along the second edge. The first edge is positioned proximate to the second edge. At least a portion of at least one of the first plurality of edge cell walls is mechanically interlocked with at least a portion of at least one of the second plurality of edge cell walls to form a joint therebetween. The invention also includes a composite structure at least partially produced by such a method.

Abstract: A method of manufacturing a coiled tubing system may involve introducing a first continuous length of coiled tubing onto a surface of a continuous length of flat metal, arranging the first coiled tubing such that the longitudinal axis of the first coiled tubing is parallel to the sides of the flat metal, fixing the first coiled tubing along the length of the surface of the flat metal, and forming the flat metal into a second continuous length of coiled tubing that contains the first coiled tubing.

Abstract: A method and an apparatus for the attachment of a fastener element to a component, for example a sheet metal part, wherein the fastener element is a nut element and has an axis of symmetry, a head part having a contact surface which enters into contact with the component, a threaded bore and also at least one undercut which receives the material of the component, and wherein the material of the component is pressed against the contact surface and into the undercut by means of a first tool having a die button shape matching the design of the nut element. A local force is exerted on the head part of the nut element or onto the tool to the side of the axis of symmetry and is moved circularly around the axis of symmetry while simultaneously carrying out a relative feed movement between the tool and the nut element between which the component is arranged in order to press the material of the component into the undercut.

Abstract: A method and an apparatus for the attachment of a fastener element to a component, for example a sheet metal part, wherein the fastener element has an axis of symmetry, a head part having a contact surface which enters into contact with the component, a fastening section having a thread and also at least one undercut which receives the material of the component, and wherein the material of the component is pressed against the contact surface and into the undercut by means of a first tool having a die button shape matching the design of the fastener element, are characterized in that a local force is exerted on the head part of the fastener element or onto the tool to the side of the axis of symmetry and is moved circularly around the axis of symmetry while simultaneously carrying out a relative feed movement between the tool and the fastener element between which the component is arranged in order to press the material of the component into the undercut.

Abstract: An Interlocking Continuous Roof Assembly and Method for Wind Resistant Roofing is presented, whereby continuous double lock seams are used exclusively to join panels together. This roof manufacturing methodology results in a roof that possesses improved resistance to wind and water during storm conditions and thereby decreases the chances of the roof being damaged or destroyed by severe weather.

Abstract: A pluggable optical/electrical module is disclosed. One or more features operate to decrease electromagnetic interference are implemented, which features include deforming the portions that mate together to form the housing, placing elbow deformities on extending fingers to more properly seal the housing convex shape to housing to seal gaps between multiple sections, and placing an EMI insulating material within an opening that is formed for the latch that locks the module in place in a chassis.

Abstract: A method is provided for producing an electrically conductive connection between a contact element interacting with a corresponding counter-contact and several electric lines, each of which consists of several wires. The method consists of placing the lines on a contact element supporting surface, controlling the lines integrity, and fixing the lines to the contact elements by resistance welding. In particular, the contact element is provided with crimping elements which surround and/or form a ground cable terminal screwed to a mass bolt.

Abstract: A cold and/or heat accumulator with a plurality of carrier elements (10) which are charged with a cold or heat storage medium, and with a heat exchanger (12) which is designed to have a heat transfer medium flow through it in order to cause heat exchange between the cold or heat storage medium and the heat transfer medium. The heat exchanger (12) has at least one serpentine hollow section (14), and at least at least one carrier element (10) is provided between the legs of at least some of the loops of the serpentine hollow section. In a process for producing the cold and/or heat accumulator, the height of the carrier elements is coordinated to a distance between the legs of the at least one loop such that, after a force-fit connection is formed between the serpentine hollow section and the carrier elements.

Abstract: Disclosed are a method and a device for mounting a fastening element (12) to a part (13), e.g. a sheet metal part, said fastening element comprising a head piece (14) with a tubular rivet section (16) which is disposed concentric to an axis of symmetry (18) of the fastening element (12) or a fastening section (20) of the fastening element (12) and extends into the head piece via a radially extending contact surface (22). The rivet section (16) is guided through the part (12) so as to form a hole in said part, and the rivet section (12) is flanged such that the part is clamped between the contact surface and the flanged rivet section in the area of the hole.

Abstract: A method and apparatus for assembling a 2-piece skin door comprising a bottom skin (10) and a top skin (20) wherein each of the bottom and top skins' longitudinal edges have been bent and folded to complementarily hem each other in an interlocking manner to form a seam, the method including: holding the bottom skin in an upwardly open pan manner; holding the top skin in an inverted pan manner wherein its folded and hemmed edges are aligned with the corresponding edges of the bottom skin; and pushing the top skin to insert said top skin's folded edge into the bottom skin's corresponding folded edge to form said interlocking seam. The bottom skin may be held securely on a substantially planar surface with securing means. The top skin may be provided with means for pulling it in alignment towards the bottom skin by winch and cable with hook means.

Abstract: A method and a tangible item 10 which is produced by the use of various softly created sectional members, such as members 12, 14, 16, which are selectively and softly and selectively moved or rotated, in whole or in part, used to create physical sectionals, and then the physical sections are moved or rotated and use to selectively construct the physical item 10.

Abstract: A seal for a gas supply system of metal, in particular for sealing an airbag conduit, wherein, during operation, the gas supply system has a gas-conducting cross-section and a wall of metal, wherein in the area which seals the cross-section of the gas supply system, a layer of a plastically deformable material is at least partially inserted and the area with the plastically deformable material present therein is sealed in a gas-tight manner, wherein the area of the seal and the plastically deformable material present therein are mechanically interlaced one with the other.

Abstract: A non-welded field joint for connecting two portions of a pot and pan washing machine together as a single unit is provided.

Abstract: A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation to the first tubular member. The second tubular member and the overlapping portion of the first tubular member are then radially expanded again.

Abstract: A method and apparatus is provided for the production of locally reinforced drawn parts, in which the basic sheet of the structural part, in the flat or only preformed state, is connected in a defined position to the reinforcing sheet and this patched composite sheet structure is subsequently jointly formed. In order to improve the production method in terms of the product and result of the method and to relieve the forming tools during joint forming of the parts, the patched composite sheet structure is heated before forming at least to about 800° C. to 850° C. The composite sheet structure is then introduced quickly in the hot state to be rapidly formed. During forming the composite part is fixed mechanically and is subsequently cooled in a defined manner by contacting with the forming tool positively cooled from inside. Passage through a critical temperature range of 800° C. to 500° C. thus takes place with a defined temperature gradient.

Abstract: A liquid application material that is capable of forming an oxidized insulator as a result of baking is applied onto a support substrate to produce an object of processing. Then, a mold having projection structures with intervals of nanometers is pressed against the applied liquid material to produce corresponding recess structures. Thereafter, the applied liquid material is baked in oxygen-containing gas or oxidized in ozone or oxygen plasma to make it electrically highly resistive. Subsequently, a layer to be anodized is formed on said oxidized insulator. Then, the layer to be anodized is actually anodized in an acidic solution to form fine holes that are aligned with the respective recess structures in the anodized layer. Accordingly, fine recess structures can be manufactured with ease.

Abstract: While at least one of first and second tools 4 and 5 of a junction tool 6 is rotated, a workpiece W made of a plurality of plate materials W1 and W2 superimposed in their thickness directions is nipped between the first and second tools and joined at points. The first tool 4 is provided with a pin 44 protruding from its distal end surface 43 along a junction axis X. The second tool 5 is provided with a depression 51 which is depressed at its distal end surface 53 along the junction axis X. By the first pin 44 of the first tool 4 and the depression 51 of the second tool 5, the superimposed surface W3 of the softened workpiece W is caulked in the direction of the junction axis X. Further, plastic flow is generated within the workpiece W so as to agitate the vicinity of the superimposed surface W3.

Abstract: A flexible fluid containment vessel or vessels fabricated out of segments of fabric clamped together for transporting and containing a large volume of fluid, particularly fresh water.

Abstract: A golf club head composed of a damascene patterned metal, such as a Damascus steel, is disclosed. The golf club head may be a putter head or an iron-type club head with a majority of the club head body formed of the damascene patterned metal, or a wood-type club head or an iron-type club head with a damascene patterned metal face insert.

Abstract: A latch restraint and safety anchorage system for securing a child safety seat in an automotive vehicle behind the vehicle's seat is provided. One or more latch wires are generally mounted to a cross member of the anchorage system comprised of a pair of spatially separated legs joined at one end by a transverse latch bar. Each leg includes a tapered portion and an end portion. The end portion is exposed to allow the legs to be retained by the cross member.

Abstract: A method of manufacturing a wiper blade for a windshield wiper system of motor vehicles with a yoke system for guiding an elongate wiper strip including a lip mounted on a carrier via a web is disclosed. The wiper blade and method of manufacturing the wiper blade includes the wiper strip installed with respect to the yoke system with the carrier extending through at least one claw of the yoke system. Each claw has opposing bendable sidewalls defining a generally U-shaped channel therebetween and located initially in an opened position with respect to one another during installation of the wiper strip.

Abstract: A welding filler metal is manufactured by casting a nickel-base alloy as an extrusion rod having a diameter of from about 0.2 inch to about 0.5 inch. The extrusion rod has at least about 12 grains in the cross section of the extrusion rod. The extrusion rod is extruded in a single extrusion operation to a filler-metal diameter of less than about 0.1 inch and using an areal extrusion ratio of at least about 9:1 to form the welding filler metal. Preferably, the process is used to make a nickel-base superalloy welding filler metal of a diameter of about 0.05-0.06 inch from an extrusion-rod casting of about ¼ inch diameter and having at least about 12 grains in the cross section.

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: The invention relates to a method for connecting overlapping flat parts in a mechanical joining process, for example for connecting panels, using a mould stamp (1a) and a matrix which is provided with a recess, the parts to be connected being placed between the mould stamp and the matrix. The invention is characterized in that the active axial advancing movement of the mould stamp (1a) is impressed with a tumbling motion throughout the entire joining process or during a part of the joining process and will a variable stamping force (F) which is dependent on said tumbling motion, in or to produce a flow of material that is oriented towards the undercut (6). The invention also relates to a device for carrying out the inventive method.

Abstract: In a method and apparatus for fabricating a hollow body, preferably of sheet metal, such as for example automobile hoods and doors, at least two blanks are held sealingly together and the hollow body is then shaped by internal hydroforming.

Abstract: The present invention comprises aluminum solid rivets and methods of manufacturing aluminum solid rivets for aircraft and other demanding applications to provide rivets with high strength and excellent driveabiltity while improving the rivets' resistance to fatigue and stress corrosion cracking. In accordance with the method, an aluminum rivet blank approximately the same diameter as the head of the finished rivet is used. This rivet blank is forced into a die to extrude the tapered region and the shank of the finished rivet. The fabrication process provides more uniform cold working at the junction of the shank and the tapered region of the rivet, and better orients the flow lines in this region. The process also can provide a superior surface finish, and may be suitable for use in wet wing fabrication without further processing for improved surface finish. Alternate embodiments are disclosed.

Abstract: A closure panel hemming apparatus includes a lower support supporting a lower hemming die and an upper support spaced from and mounted above the lower support supporting an upper hemming die. The upper and lower supports are relatively vertically moveable for bringing the dies toward and away from one another. At least one guide post interconnects the upper and lower supports and maintains alignment of the upper and lower supports during movement thereof. A plurality of actuators of the ball screw or rack and pinion type is driveably connected to draw together the upper and lower supports bringing the dies together for edge hemming preformed metal panels nested between the dies.

Abstract: The method of this invention for assembling vehicle brake shoes includes the use of linear friction welding. Two generally planar web members having arcuate edges are precisely aligned. Each of the web members preferably includes a series of projections along an outer arcuate edge. A table member that has a curvature corresponding to the outward arcuate edge of the web members is placed in contact with the projections along the outer arcuate edge of the web members. The webs and the table are moved relative to each other, under load, to cause an increase in temperature within the metal material of the webs and the table. After the temperature is sufficiently increased, but before the material reaches its melting temperature, the relative motion is stopped and the web members are precisely aligned with the table member. Then the load is increased and the table is forced against the web members. The projections are then deformed, a flash results, and the web members are fixedly joined to the table member.

Abstract: A method of forming a rail having an elongate base member and a load bearing insert is disclosed. The method includes forming a base member having surfaces with at least one longitudinal groove and inserting the load bearing insert into the longitudinal groove. Inserting of the load bearing insert may be performed by flexing the load bearing insert to fit into the longitudinal groove. The surfaces of the base member adjacent the longitudinal groove may be subsequently crimped to secure the load bearing insert.

Abstract: A lead-acid battery according to the invention contains an electrode grid structure that comprises dispersoid-containing lead having relatively high strength and good corrosion resistance. The dispersoid particles exemplarily are selected from the oxides, nitrides and carbides that are substantially insoluble in lead and in sulfuric acid of concentration suitable for use in a lead-acid battery. Significantly, the dispersoid-containing lead has average grain size of at least 20 .mu.m. In consequence of the relatively large grain size, the total length of grain boundaries exposed to electrolyte is relatively small, and corrosion resistance is improved. Exemplary techniques for forming the dispersoid-containing lead are disclosed.