Abstract: An embedded fastener having enhanced torque resistance and a method of making an embedded fastener with enhanced torque resistance comprising interposing a layer between the lead battery part and the fastener. In one embodiment an electrically conducting layer of a lead adhereable layer is applied to the exterior surface of a fastener. Next, one places the fastener with the layer of lead adhereable material in a mold and injects molten lead into mold and allows the molten lead to solidify around the layer of lead adhereable material on the fastener to thereby secure the solidified lead to the layer of lead adhereable material on the fastener to provide a battery part having a fastener therein with enhanced torque resistance.

Abstract: A method and apparatus for cold forming a battery terminal having a base and an insert. The insert includes a first portion encapsulated within the base and a second portion that extends beyond a first side of the base.

Abstract: An electrical rechargeable battery including a housing, positive and negative electrodes arranged in the housing, separators positioned between the electrodes, electrolyte in the housing, at least one end pole connected to at least one of the electrodes and adapted to connect to a cable, and a cover connected to the housing and adapted to receive a battery isolating switch connected to the cable such that the switch is integrated with the cover when the cable is connected to the end pole.

Abstract: A battery terminal includes an undercut groove that provides a leak proof seal between a battery terminal and a plastic battery cover or housing. The leak proof seal prevents electrolyte from seeping from the interior of the housing as well as prevents electrolyte from seeping between the battery terminal and plastic housing when the battery housing is filled with electrolyte.

Abstract: A hermetically sealed coin cell is described. The coin cell has the opposite polarity terminals isolated from one another by a glass-to-metal seal. Glassing a conductive disc inside a ring of greater diameter and height forms this seal. The height of the ring is equivalent to the desired height of the cell. The disc acts as one cell terminal, which can be positive or negative, and the ring serves as the other terminal. In plan view, both terminals are on the same side of the cell. This allows for easy mounting and connection to an electric circuit board, and the like.

Abstract: On the opposite end walls of a flat, prismatic battery case of a battery module where electrode terminals are attached, protruding components are formed such as to protrude further than the electrode terminals. Terminal holes are formed in the end walls in which the electrode terminals are fitted, and the thickness of the end walls of the integral battery case in the vicinity of the terminal holes is not the same on both sides of each of the terminal holes. Also, one or a plurality of vertical and horizontal ribs are formed on the end walls between the electrode terminals and the protruding components. Further, a sealing structure is included for a battery.

Abstract: An anti-rotation terminal connection assembly wherein the stud, nut and terminal components thereof are co-configured so as to prevent rotation of the terminal as the nut is threaded onto the stud. The nut is provided with a central recess defined by an annular lip so that the nut tightens only against the terminal.

Abstract: A battery terminal is configured to be secured to a battery case and includes a terminal assembly, and a ring. The terminal assembly includes an insert having a threaded bore, and an outer metal portion having a base with an annular flange configured to engage the inner surface of the case. The terminal further includes an anti-turn system with a first set of angularly-spaced bosses with intervening slots formed on a boss on the case, a second set of angularly-spaced bosses with intervening slots on a first side of the ring facing the case, which are complementary to the first set to form interlocking features. A set of recesses on the opposite side of the ring is configured to receive spun-over lead material during final finishing to form another pair of interlocking features. The exterior spun battery terminal eliminates corrosion that would otherwise occur due to cold worked lead contacting acid.

Abstract: A reverse mismatched compression glass-to-metal seal is described. In this seal, the coefficient of thermal expansion of the insulating glass is lower than that of the terminal lead and, the ferrule or casing body has a similar or higher coefficient of thermal expansion than that of the terminal lead.

Abstract: An insulating sleeve 6 made of ceramic hermetically fixed into an opening in a terminal supporting plate 7 in a battery sheath made of metal, a positive terminal 4 made of an aluminum alloy or negative terminal 5 made of a copper alloy is inserted in the insulating sleeve, and a metallic ring is fitted over the positive terminal 4 or negative terminal 5. The inner edge of the metallic ring 11 and the positive terminal 4 or negative terminal 5 are hermetically fixed to each other by an aluminum-based brazing metal 8 or copper-based brazing metal 9, and the outer edge of the metallic ring 11 and the insulating sleeve 6 are hermetically fixed to each other by an aluminum-based brazing metal 8 or copper-based brazing metal 9.

Abstract: A feed through arrangement for a battery cell which transfers torque that is applied to the terminal into a plurality of smaller compression forces. The arrangement permits a high torque on the terminal without damaging the seals of the feed throughs. Preventing damage to the seals increases the durability and accordingly the life of the battery. The seals of the present invention are also hermetic to moisture, have excellent thermal-shock properties and have a very low impedance, volume and weight.

Abstract: A battery terminal is configured to be secured to a battery case and includes a terminal assembly, and a ring. The terminal assembly includes an insert having a threaded bore, and an outer metal portion having a base with an annular flange configured to engage the inner surface of the case. The terminal further includes an anti-turn system with a first set of angularly-spaced bosses with intervening slots formed on a boss on the case, a second set of angularly-spaced bosses with intervening slots on a first side of the ring facing the case, which are complementary to the first set to form interlocking features. A set of recesses on the opposite side of the ring is configured to receive spun-over lead material during final finishing to form another pair of interlocking features. The exterior spun battery terminal eliminates corrosion that would otherwise occur due to cold worked lead contacting acid.

Abstract: An anti-rotation terminal connection assembly wherein the stud, nut and terminal components thereof are co-configured so as to prevent rotation of the terminal as the nut is threaded onto the stud. The nut is provided with a central recess defined by an annular lip so that the nut tightens only against the terminal.

Abstract: A cylindrical high-capacity sealed storage cell having a terminal at one end which is made of aluminum, wherein: the one end includes an aluminum cover adapted to be brought into contact with an external electrical connecting part by a clamping structure which is at least in part under the cover and co-operates with an external assembly mechanism, the clamping structure being made from a material selected from the group consisting of stainless steel, nickel-plated steel, copper, and brass; and the cover of the cell is sealed by a metal sealing cap under the cover.

Abstract: An outer case has an opening portion and a power generation element is held in the outer case and has a positive electrode and negative electrode with a separator interposed. A cover member is joined to the opening portion and the cover member is welded to the outer case with a laser beam. An injection port is formed in the cover member. After an electrolyte has been injected via the injection port into the outer case, a sealing member is pressed in a hermetical way into the injection port and then blocked by a sealing cover welded to the cover member using the laser beam. Furthermore, a pressing member is provided between the power generation element and the inner surface of the cover member wherein one end of the pressing member is receded a predetermined dimension from the injection port.

Abstract: A cell with spiral-wound electrodes comprises a container, two current output terminals of opposite polarity carried by the container, each current output comprising a part exterior to the container and an internal part, and two electrodes spiral-wound about a longitudinal axis, one of positive polarity and the other of negative polarity, electrically connected to a corresponding current output. At least one terminal has a cylindrical shoulder having a diameter greater than the transverse dimension of the exterior part of the terminal. The electrode is provided with a plurality of conductive blade members in part substantially parallel to the longitudinal axis, mechanically and electrically connected to one edge of the electrode are projecting from this edge. The blade members are grouped together on and fixed to at least part of the periphery of the shoulder in order to establish electrical contact between the electrode and the current output.

Abstract: A seamless, short-anchor anticorrosion storage battery terminal is provided including an upper portion having a frustoconical hollow body with a cavity, the frustoconical hollow body adapted to emerge from the top of the battery, and wherein there is, at the end of the frustoconical hollow body with the greater cross section, a hollow lower portion whose internal cavity is coaxial with the cavity of the frustoconical body; the hollow lower portion having an uppersegment of cylindrical configuration and diameter greater than that of the end of greater cross section of the frustoconical hollow body, and a lower segment configured as a frustum of a cone, having at the end of greater cross section, means of anchoring and preventing rotation of the terminal including a circumferential projection whose wall defines a number of peripheral cavities opening alternately upward and downward.

Abstract: A lead bushing (1) is mounted on a terminal post (7) in a terminal socket (6a) of a storage battery top wall (6). The lead bushing (1) is a hollow tube (2) that is completely closed at one end by an end wall (3), whereby external welding of the terminal post (7) to the bushing is avoided.

Abstract: A sealed secondary cell maintaining enclosed property and battery performance for a long period in a wide range of environments of use including high temperature, high humidity, and vibration is presented. A terminal pole is composed of a current collector, a flange with a flat top surface, and a pole formed on the flange upper surface projecting at right angle, a rotation arresting portion of the terminal pole is formed by the flange and lower side of a lid, an annular packing is disposed between the flange upper surface and lid lower side so as to surround the pole, an annular pressing spring is pressed in from above the pole, the annular packing interposed between the flange upper surface and lid lower side is compressed in the vertical direction by the elastic force of the annular pressing spring, the annular pressing spring is stopped on the outer circumferential edge of the pole at a position for sealing and fixing the terminal pole in the lid, and thereby the battery jar is enclosed.

Abstract: A sealed, through partition terminal for an electrochemical cell featuring the use of gasketing material to prevent the spread of electrolyte past the terminal seal assembly. An orifice formed in an inner lid of an electrochemical cell accepts a terminal member that is secured to the inner lid with a fastener threaded onto the terminal member. A shoulder molded on the bottom face of the inner lid and adjacent to the orifice prevents axial movement of the terminal member while torquing the fastener. A gap formed between the wall of the orifice and the terminal member is filled with gasketing material that is compressed by torquing the fastener. The compressed gasketing material seals any gaps between the terminal member and inner lid orifice preventing electrolyte leakage.

Abstract: A lead terminal post extending upward through the top of an insulator wall of a battery includes a plurality of flat vertical sides fused continuously from its top to below the top of the insulator wall, to a harder, metallic, cap having a plurality of flat vertical sides. The metallic cap is covered with a plastic cap that extends below the metallic cap, below the top of the insulator wall, and is sealed to the insulator wall. A terminal bar having parallel walls extends from a flat wall of the cap, through the plastic cap, normal to the flat wall, and contains a removably mounted connector having a leaf spring connection with the terminal bar and an element within the connector adjacent to and connected to the leaf spring, that prevents horizontal rotation of the connector on the bar. A plastic overseal on the connector makes a seal with the plastic cap when the connector is fully mounted on the terminal bar.

Abstract: A structure for stabilizing of an electrochemical cell stack against high shock and vibration forces through the use of a plurality of electrode connections at both the top and bottom of the stack is described. Constructing the cell casing having a tubular shape rather than the typical deep drawn can shape, allows access to the lower portion of the stack. There, additional leads are welded to the cell case, which significantly adds to the stability of the stack within the case. The lower portion of the case is then within the case. The lower portion of the case is then hermetically sealed by fitting and welding a disc in place.

Abstract: A corrosion- and vibration-resistant battery terminal including a connector portion comprising a tin-coated, creep-resistant metal blade having a lead collar embedding one end thereof and receiving a battery terminal post therein.

Abstract: A battery terminal with high torque resistance utilizing three sided frusto-conical recesses and mating protrusions extending from the battery terminal and method of making the terminal by a cold forming process that forms a finished battery terminal from a preworked lead slug by driving one end of a punch through the slug to remove excess material and form an axial through hole, a second and third portion of the punch to close the die chamber and a fourth portion of the punch to radially expand the lead slug into a finished battery terminal. The dies for forming the battery terminal include a movable multiple-segmented die for collapsing radially inward around the slug and a frusto-conical die for forming the top portion of the battery terminal. An ejector sleeve removes the finished battery terminal after the cold forming process.

Abstract: A lead-acid battery having an improved side terminal construction. The battery includes a case formed of dielectric material and a plurality of positive and negative plates are located within the case. Each group of plates is electrically connected to a strap. One end of an elongated conductor bar projects through the side wall of the case and is welded to each strap, while the opposite end of the bar projects outwardly of the case and is provided with a recess which receives a metal nut. A cable clamping ring is attached to the opposite end of the conductor bar by a bolt which is threaded in the nut. If a longer than required bolt is inadvertently threaded into the nut, the opposite end of the bar will be deflected or bent as the bolt is threaded down, but the welded connection between the conductor bar and the strap will not be adversely effected.

Abstract: A battery terminal having a terminal post axially offset from where the terminal electrically connects to the innards of the battery including means for preventing twisting or lifting of the terminal relative to the battery container. The anti-twist/lift means comprises an aperture through the base of the terminal adjacent the terminal post, and an integral projection on the container wall passing through the aperture and headed over atop the base.

Abstract: Protective cap for battery terminal having a base permanently secured about the root of the terminal and a readily separable tower joined to the base with a plurality of frangible links for facilitating ready separation and removal of the tower from the base.

Abstract: An assembly for preventing a battery terminal from rotating with respect to a battery container. The assembly is comprised of a collar having an aperture therethrough and a washer having an aperture therethrough which has a configuration substantially similar to the cross sectional configuration of a threaded portion of the terminal. The annular collar defines two faces having separate sockets formed therein. At least one nut is mated with the threaded portion of the terminal to releasably secure the washer within the socket formed in one face of the collar. The collar and washer cooperate to maintain the terminal and the container in a set position.

Abstract: A side terminal battery container of the type having a side terminal molded therein is disclosed. The side terminal of the present invention does not extend into the interior of the battery container and is particularly useful for resistance welding techniques during the battery manufacturing process.

Abstract: A battery side terminal assembly comprises a continuous collar molded integrally with the side wall of a container and projecting outwardly therefrom with an opening through the wall within the collar, the terminal being one piece and including a head portion, a base portion extending through the opening in the wall and abutting the periphery thereof and a skirt portion which is spaced from the interior face of the side wall, the base portion having a plurality of spaced keys which engage complementally shaped recesses in the periphery of the wall opening, sealing being provided by means such as an elastomeric O-ring positioned between the interface of the head portion of the terminal and the outer face of the wall, and the outward terminal portion of the collar being heat staked to the outer face of the head portion of the terminal to hold the terminal in position, the assembly providing satisfactory torque resistance and an electrolyte leakage resistant battery.

Abstract: An electric cell has a terminal post of which one end is of reduced diameter and passes through a hole formed in a wall of the cell and at least a part of which is screw threaded and carries a nut. The terminal post has a shoulder which is drawn by the nut towards the inner side of the wall. Between the shoulder and the wall is a cup washer having a recess which engages a projection carried by the wall. A locking washer is interposed between the cup washer and the shoulder so that rotation of the terminal post is prevented.

Abstract: This invention relates to a method for forming metal battery terminals and to the terminals produced thereby for use with battery containers fabricated from thermally deformable materials such as polypropylene which involves casting the metal directly into place within and through the wall of such container.