Abstract: A pair of upper crossheads for a universal rolling mill is engaged with nut assemblies on extended ends of a pair of screwdown spindles. Each crosshead can be swung about a nut assembly on one of the screwdown spindles while disengaged from a nut assembly on the other screwdown spindle for pivotal movement of the crosshead to one side of the housing frame. The nut assemblies for the ends of the crossheads, which remain engaged with the screwdown spindles, have threads that raise the crossheads during pivotal movement. Pedestal supports on projecting wing portions of the frame carry the pivoted parts of the crossheads. During operation of the universal rolling mill, the upper crossheads are held in their operative position by a clamp engaged with a crosstie that extends between two nut assemblies that can be exposed.

Abstract: A method of manufacturing a recombinant lead acid battery includes placing two or more cell packs in a battery container and then loading the container into a frame mounted on a rotary capstan. The container is transferred to a moulding station and the plate straps and intercell connectors are moulded around the plate lugs. The container is then transferred to a coating station and the intercell connectors are dipped while still hot into a fluidized bed of epoxy resin particles. The particles adhere to the intercell connectors and are cured by their heat thereby forming an impervious layer around them. This layer acts as an electrolyte creepage barrier and prevents the surface of the intercell connectors acting as an electrolyte path for intercell ionic leakage.

Abstract: Method of preparing lithium anodes contacted with organic materials prior to association of the anode with a cathode material wherein the contacted anode is first subjected to a heat treatment. Upon incorporation of the improved anode into an electrochemical battery or cell and association of the heat treated anode with a suitable cathode material, the cell may be discharged under controlled conditions for a short time prior to its usual "burn-in" discharge.

Abstract: The amount of materials in a piece of tubular stock is measured before the stock enters a stretch-reducing rolling mill and the mill is so controlled that the finished tube can be cut into lengths without the occurrence of overlengths or underlengths. In the case of a seamless tube, the piece of tubular stock is weighed and the flying means which cut the finished tube are so controlled that the lengths of all the finished pieces lie within prescribed tolerances so that there is no waste, other than the usual cropped ends. In the case of welded tube, the thickness of the strip material from which the tube is made can be welded, and the welded tubular stock can be cut to a suitable length to ensure that no overlengths or underlengths are obtained after the stretch-reducing and cutting of the finished tube into pieces of prescribed length, within tolerance limits.

Abstract: An edge roller assembly has a fixed guide member on which a support block is displaceable in a predetermined adjustment direction so as to move an edge roller rotatable on the block about an axis transverse to this direction. A threaded pin spindle extends generally parallel to the direction and bears on the block and is threaded into a nut in an adjustment member. A pair of links each have an inner end pivoted on the guide member and an outer end pivoted by means of a respective eccentric pin on the adjustment member. Thus rotation of these pins can relatively displace the adjustment and guide members, so as to move the rollers carried by the support blocks toward one another even while engaging a workpiece.

Abstract: A wire cutting apparatus for use in a winding machine which winds an electric wire or the like round a spool, wherein one terminal wire leading to the coil from the terminal wires formed through the drawing operation of the wire is cleared to remove the entwinement with the cutting arm, the other terminal wire leading to the nozzle of the flyer is descended together with the clamp pawl, with the result that the terminal wire is not involved in the flyer even if the terminal wire is floated after the clamp pawl has released the terminal wire.

Abstract: A high reduction method and apparatus for continuously hot rolling a product through a plurality of roll passes, wherein the distribution of horizontal forces in at least one roll pass other than the first is such that spontaneous entry is prevented by a maximum momentary opposing force which is greater than the available delivery force of the preceding roll pass. An additional force is exerted on the product in advance of the preceding roll pass. This additional force, when combined with the available delivery force of the preceding roll pass, is of sufficient magnitude to overcome the maximum momentary opposing force of the said one roll pass and thus achieve forced entry therein.

Abstract: A blank for a wide flange beam is produced by feeding a flat slab to a break-down mill in which a box caliber, one or more forming calibers and a sizing caliber are formed by a pair of rolls, and rolling the material in a former stage of the rolling process so that the rectangular ratio of the rolled material is substantially equal to the rectangular ratio of the slab.

Abstract: Process and apparatus for the cold rolling of ferrous metal or nonferrous metal strip, e.g. steel or aluminum strip, in which the strip is passed at a high rate through a multiplicity of cold rolling stands and a coolant is dispensed from nozzles directed against the rolls or the band in the region of the rolling gaps. According to the invention, the planarity of the strip is measured immediately downstream (in the direction of strip movement) of the last rolling stand and deviations from planarity are determined and converted into control signals. The planarity measurement signal is compared with a deviation-maximum signal processor until the measured deviation reaches a first threshold within the range to maximum. Only the coolant spray from the nozzles of the last stand are controlled in a planarity-restoring sense. When the measured deviation exceeds this threshold at least the nozzles of the penultimate stand are controlled.

Abstract: An improved coil winding apparatus, for example, for stators of electrical machines and the like, in which undesirable rising or floating of coils accommodated in a coil inserting jig is prevented by the employment of a rockable stop which permits the coils formed above the stop to be pushed onto the lower part of the coil inserting jig by the rocking function of the stop, and which cannot pivot past a horizontal position, thereby blocking floating or rising of coils off the coil inserting jig.

Abstract: A rolling mill and method for rolling material having a rectangular, oval or like elongated cross-sectional configuration into rod or wire, has a line of passes of which the first pass is formed by two rollers and the remaining passes are each formed by three rollers, and wherein the first pass deforms the material, whose input cross section has a ratio of the lengths of its major and minor principal axes greater than about 1:2 to an output cross section which is exactly round or a regular polygon, such as square or hexagonal or which deviates from such a geometrical configuration only to an extent such that the ratio of the lengths of the major and minor principal axes of the output cross section does not exceed about 1:2.

Abstract: An edger mill having a pair of edging rolls mounted for variable positioning apart from each other is powered by a plurality of electric motors driving the rolls from above, having a long shaft extending upwardly from each roll, with a bull wheel connected to each shaft in driving relation, each bull wheel having two or more electric motors connected thereto in driving relation by respective pinions. Synchronization between the edging rolls may be effected by mounting the bull gears in mutual intermeshing relation, or by using synchronous motors so that the common bus supply to the motors constitutes a synchronizing agency to maintain the edging rolls in synchronized relation.

Abstract: In a multi-stand stretch-reducing tube-rolling mill, the stands at the entry end forming a first group are driven from a main motor and an auxiliary motor and the remaining stands forming a second group are driven from the main motor and a separate auxiliary motor, the corresponding rotational speeds derived from the main motor and one or other of the auxiliary motors being added by means of a planetary gear in a summing transmission. A single stand between the two groups can be driven from the main motor only. The separate auxiliary motor at the entry end enables control over the tube elongation (or compression) to be effected over a shorter tube length, and thereby more accurately.

Abstract: A cell for generating electric energy is provided comprising a sealed container partitioned into anode and cathode chambers, said partition comprising an electrolyte/separator in the form of a bundle of hollow glass or ceramic fibers, fusion sealed together between their interstices adjacent at least one end thereof. Preferably, the ends of the fibers which project within the anode chamber are sealed closed whereas the opposite ends are in open communication with the cathode chamber. Preferred anode and cathode materials comprise an alkali metal such as sodium or potassium and sulfur respectively.

Abstract: In a method and a system for controlling a plate width in a hot rolling mill having a front stage including a horizontal roll stand; and a rear stage including a vertical roll stand and a horizontal roll stand, the thickness of a thickened portion of the plate thickened as a result of rolling by the vertical roll stand of the rear stage and the plate thickness at the entrance of the vertical roll stand of the rear stage are determined; the ratio of the thickness of the thickened portion to the plate thickness at the entrance of the rear stage is calculated; the plate width at the exit of the vertical roll stand is determined; the plate width at the exit of the horizontal roll stand of the rear stage is calculated taking account of extension of the plate width as a result of reduction of the thickened portion; and the roll gap of the vertical roll stand of the rear stage is controlled in such a manner as to bring the plate width at the exit of the horizontal roll stand of the rear stage closer to a target valu

Abstract: The disclosure of the present invention relates to a compensating counterweight system used in a cold pilger step-by-step type seamless tube rolling mill reciprocated by a crank assembly. The crank assembly includes first and second compensating mass devices which are arranged to rotate coaxially on a single crank shaft in opposite directions relative to each other. The two mass devices are kinetically connected through a bevel gear drive set which causes the second compensating mass device to rotate in an opposite directon to the first compensating mass device.

Abstract: A tandem rolling mill train for rolling metal plate or sheet includes a plurality of crossed-roll type rolling mill stands. The work rolls on at least two of the crossed-roll type rolling mill stands are respectively slanted in opposite directions so that the widthwise shear deformation developed on the upstream crossed-roll type stand is reduced by the widthwise shear deformation caused on the downstream crossed-roll type stand.

Abstract: The present invention relates to methods of rolling metal articles and can be used to advantage in rolling sheet steel. This method envisages the rotation of drive and driven work rolls in opposite directions at a higher and a lower peripheral speeds, respectively. The chosen ratio between the peripheral speeds of the work rolls is less than the elongation of the article so that thereby the specified unit tension applied to the article at the exit section thereof is provided for with reference to the ultimate strength of the metal emerging from the rolls. This is conducive to increasing the maximum elongation of the article and reducing the roll force by a considerable amount with the constriction of the article in breadth at the same time.

Abstract: An electrochemical cell having an anode which is an alloy of an oxidizable metal, specifically lithium, and an element having a lower oxidation potential, for example calcium. The cell is partially discharged to deplete the amount of lithium at the surface of the anode. Then the cell is conditioned, preferably by annealing at a temperature of about 70.degree. C. for one to two weeks. This treatment produces an anode having a surface region which is either a layer consisting mostly of the element or a lithium compound of the element. This protective coating on the anode limits the short circuit current which can flow through the cell.

Abstract: The mill comprises essentially a roughing train having a reversing roughing stand or stands and a finishing train having a reversing finishing stand or in-line finishing stands, the roughing and finishing trains being disposed with pass lines parallel to each other and at different elevations, the work in the roughing train progressing in the opposite direction from the work in the finishing train. The roughing train for strip and light plate is provided with a hot upcoiler at each end positioned above the table so that slabs and breakdowns pass beneath them, but adapted to coil and payout strip of coiling gauge. The delivery end of the roughing train is laterally opposite the entry end of the finishing train and separate mechanisms are provided for transferring coils and plate broadside from roughing train to finishing train.