PURPOSE:To make light-weight a drive shaft connected to a power transmission system via uniform speed joints at both ends. CONSTITUTION:Pulser rings 4, 5 are mounted to rims 2a, 3a of uniform speed joints 2, 3. Rotary signals generated by the pulsar rings are detected and a phase difference of the rotary signals corresponding to a twist generated at the drive shaft 1 is operated, thereby to obtain...

PURPOSE:To restrict layering of electrolyte in a sealed lead storage battery, and improve cycle life by adsorbing metal eluded from a collector base body of a positive electrode plate to deteriorate a hydrogen over-voltage when other material than Pb-Ca alloy is used for the collector base body. CONSTITUTION:As a separator 3 to be provided between a positive electrode plate 1 and a negative electr...

PURPOSE:To provide an electrode plate for a lead storage battery in which conductive fibers can be dispersed and disposed uniformly at a desired contact ratio on the surface of an active material layer by using the minimum required conductive fibers. CONSTITUTION:An active material removal preventing member comprising a mesh sheet 3 formed of woven fibers is used. Part of the fibers composing the ...

PURPOSE:To provide a battery electrode in which bonding force of active material to the surface of a collector base body can be improved. CONSTITUTION:A solder layer 4 is provided as a conductive bonding layer between a collector base body 1 and an active material layer 2. The solder layer 4 has the same irregularities as the inner surface of the active material layer 2 to be bonded to the inner s...

PURPOSE:To provide a light and long-life lead storage battery by using a positive electrode plate provided with a conductive oxide layer a dense PbO2 layer, and a positive electrode active material layer on a substrate consisting of titanium or titanium alloy. CONSTITUTION:A lead storage battery has a positive electrode plate provided with a conductive oxide layer 2, a dense PbO2 layer, and a posi...

PURPOSE:To extend the life of a battery by using an alloy-expanded grid for a positive electrode. CONSTITUTION:Lead alloy containing 0.05-0.09% calcium, 0.06-1.80% tin and 0.005-0.05% bismuth is cold rolled into a sheet and then expanded to form a grid for at least a positive electrode, so that the life of a lead acid battery is improved. With the addition of bismuth, the oxidation resistance of t...

PURPOSE:To improve the life of a lead acid battery by applying surface treatment to a lead or lead alloy grid, pole group welded portions and poles for higher corrosion resistance. CONSTITUTION:A lead acid battery is formed by coating the surface of one or all of a lead or lead alloy grid, pole group welded portions and poles with a thin film composed of titanium and/or titanium compound with plas...

PURPOSE:To manufacture an electrode for a acid battery which is stabilized in quality, without the influence of season and weather factors, by using freezedried lead powder. CONSTITUTION:Freezedried lead powder is used as raw material. Paste made from the lead powder is filled in a collector, aged and dried with hot air to form electrode for a lead acid battery. In this way, the freezedried lead p...

PURPOSE: To precisely prepare a yarn end without damaging the same, by arranging a cutter in the vicinity of the opening of a preparing nozzle, and providing an additional yarn loop forming unit to a yarn end preparation device. CONSTITUTION: A diagonally winding bobbin winder incorporates a splicing device 8 between a yarn tension device and a yarn monitor device, and a swivel nozzle 16 having a ...

Dicarboxylic acid bis-(3,5-dicarbomoyl-2,4,6-triiodoanilides) of general formula I wherein the amide radicals -CONR1R2 and -CONR3R4 are different from one another and R1 is a hydrogen, a lower alkyl radical or R2, R2 is a straight-chain or branched-chain monohydroxy or polyhydroxy alkyl radical, R3 is hydrogen, a lower alkyl radical or R4, R4 is a straight-chain or branched-chain monohyd...

The present invention relates to a method of producing microbubbles in a dispersion water nozzle to be used in connection with dissolved air flotation (DAF), in which method a water flow entering the dispersion water nozzle and containing gas which has dissolved under pressure, such as e.g. air, CO2, N2, O2, or the like, is treated, and the throttle means of which dispersion water nozzle has at le...

PURPOSE:To prevent the generation of the noises of the low frequency of a reactor connected to an inverter for a power supply device for lighting a high- intensity discharge lamp such as a metal halide lamp. CONSTITUTION:Diodes 13, 14 are connected in inverse parallel with series- connected switching element 11, 12 respectively, and capacitors 15, 16 are connected in series between the element 11,...

PURPOSE:To provide a polycrystalline thin film with an excellent crystal orientation characteristic by depositing particles generated from a target while irradiating the target with ion beams with a specified incident angle and a specified distance in plural directions. CONSTITUTION:A device for producing a polycrystalline thin film B made of the particles generated from a target by depositing the...

PURPOSE:To improve the mechanical strength of an oxide superconducting wire produced by the Ag sheath method. CONSTITUTION:In an Ag sheath layer 3 a tension member 1 is arranged which is composed of a high strength metal core 11 and an Ag cover layer formed thereon. A superconducting part 2 made of sintered body of oxide superconducting powder is arranged in a gap between the member 1 and the Ag s...

PURPOSE:To provide a superconducting cable with a high stability and less combining loss by arranging a continuous non-insulation part in the longitudinal direction of element wire, on a part of the surface of element wire surface treated on the outer surface thereof. CONSTITUTION:In a superconducting cable in which electrically short-circuited parts are arranged at every sufficiently short distan...