PURPOSE:To provide a lead-acid battery hardly causing self discharge by improving a lead-acid battery plate formation method. CONSTITUTION:A current supply idle period with 30 minutes as the greatest lower bound is set in the early stage of a current supply in the case of plate formation, and during the current supply idle period, extremely weak discharge is carried out in an electric current of 1...

A compact hammer mill is provided for shredding metal objects and the like. The hammer mill essentially consists of hammers (1) mounted on a driving drum (2) arranged within a crushing enclosure (3) having screening walls and driven by an electric motor or heat engine (8), said enclosure (3) being connected to a feeder device (4) lying in a plane which is parallel to the discs (5) forming the driv...

The invention relates to the manufacture of cellular products. In an installation (1) for the treatment of a continuously manufactured cellular product (3) provided with downwardly facing openings (3a) on one side, a unit (2) turns the product over in order for its openings (3a) to face upwards, so as to optimise the washing and drying of the product. The turning-over unit (2) comprises a vertical...

PURPOSE: To provide an SIMM socket having structure of low height from a main substrate surface to be fixed, capable of applying to an SIMM module having a wide range of thickness. CONSTITUTION: An SIMM socket consists of an insulating housing 12 having many contact accepting cavities in the long direction and a contact 14 which is inserted into each cavity 22. A central rib 112 and a holding bar ...

The invention relates to an information system preferably intended to collect, present and report back information in stores, shops, stocks etc., incorporating preferably one or a plurality of information sensors in the form of sensors for different purposes and information displays in the form of display units and/or computer monitors with information possible to change or search and where this s...

A downhole tool (100) for generating pressure pulses in a drilling fluid comprising an elongate body (107, 127) and a plurality of blades (116) spaced around the body. The blades are each divided into an independent front section (116a) and rear section (116b), forming a set of front sections and a set of rear sections, at least one of the set of front sections and the set of rear sections being m...

At least 20% of poly(vinyl alcohol) (PVA) is dispersed in an aqueous solution of at least one salt dissolved therein selected from the group of sodium or potassium formate, sodium, potassium, or magnesium sulfate, sodium or potassium citrate, sodium or potassium polyacrylate, or mixtures thereof. This aqueous suspension of PVA is useful in systems in which PVA is dissolved in order to reduce the t...

Process in which the fibres are impregnated with a polyamide before a pultrusion, characterised in that the fibres impregnated with a polyamide oligomer or prepolymer are treated while heated to cause the elongation of the polymer chain before the calibration by pultrusion.

In accordance with the present invention, there is provided a bubble-containing ethylene/ alpha -olefin rubber excellent in kneadability, characterized in that the ethylene/ alpha -olefin rubber prepared by copolymerization of 50 - 95 mol% of ethylene, 5 - 50 mol% of alpha -olefin having at least 3 carbon atoms and 0 - 10 mol% of non-conjugated polyene contains 5 - -1000 parts by volume, based on...

PURPOSE:To make the alternating current loss small by coating highly pure A with an A alloy and further coating the whole body with Cu or a Cu alloy. CONSTITUTION:A highly pure A 22 is inserted into an Al-Mg-Mn-Cr alloy 21 and extruded to form the composite into a hexagonal shape. Then, the resulting body is inserted into an oxygen free copper tube 24 and then extruded. The number of dividing is l...

PURPOSE:To provide a long size conductor of a ceramic superconductor wherein mechanical force is hardly applied partially to composite wires of the conductor and electric deterioration of the composite wires of the superconductor hardly occurs and the superconductor is easy to be handled and installed. CONSTITUTION:At least two continuous or discontinuous projected stripes 6 are formed in a part o...

PURPOSE:To improve the critical current density in a middle and high magnetic field by compounding a nonsuperconducting material (e.g. Nb) having two or more different sizes with a NbTi-based alloy, which is a matrix material of a superconducting filament and carrying out cross-section reduction process. CONSTITUTION:A body consisting of reciprocally layered Nb-46.5wt.% Ti alloy sheets 12 and Nb s...

PURPOSE:To provide a low-resistance current lead which is composed of an oxide superconductor and can supply a larger current than the conventional current lead does. CONSTITUTION:This low-resistance current lead uses a raw material rod which is adjusted in its metallic element composition expressed by a general formula, Bi2.2Sr1Cay (where, the x and y are positive numbers), so that the x/y can be...

PURPOSE:To eliminate faulty states wherein superconducting junctions, resistor components, and so forth are generated on the interface between superconducting lines, by providing the buffer layer made of the semiconductor, which has a long-range proximity effect, between the superconducting lines made of oxide superconductors, whose orientation characteristics are different from each other. CONSTI...

PURPOSE:To eliminate faulty states, wherein on the interfaces of a superconducting element generated are superconducting junctions, etc., by providing the buffer layers made of an oxide semiconductor, for which oxide superconductors have long-range proximity effects, between a superconducting channel and a superconducting source region and between the superconducting channel and a superconducting ...

A microporous powder form polylactide which can take up a multiple of its own weight of active material and which can be used for the controlled release of that active material. The aforesaid microporous polylactide powder can be prepared by dissolving polylactide under warming in phthalicacid diethylester, preferably at a temperature over 150 DEG C. and then slowly cooling the clear solution. Th...

A brake caliper 6 which engages around a brake disc and brake shoes, is slidingly mounted on a brake carrier 5 by means of a pin 2 and is provided with piston 1, the piston 1 and/or pin being equipped with nonmetallic nonorganic materials 3 e.g. coatings of ceramic or enamellar materials in the sliding surfaces. The coatings may be applied to the sliding surfaces by means of plasma spraying.

For economical and assured separation of chromium, vanadium and titanium ions from acidic waste waters, which accrue in great quantities in preparation of titanium dioxide, the pH is first raised to around a value of 3 by addition of dolomite brick powder. Directly thereafter, the pH is fine tuned into the range of 4.3 to 4.7 through addition of calcium hydroxide and/or sodium hydroxide, and the h...

For economical and assured separation of chromium, vanadium and titanium ions from acidic waste waters, which accrue in great quantities in preparation of titanium dioxide, the pH is first raised to around a value of 3 by addition of dolomite brick powder. Directly thereafter, the pH is fine tuned into the range of 4.3 to 4.7 through addition of calcium hydroxide and/or sodium hydroxide, and the h...

PURPOSE:To decrease the light losses of a liquid crystal panel so as to assure the brightness of a display body and to eliminate crosstalk so as to improve quality by providing a thin-film layer varying in coefft. of thermal expansion from reflection electrodes between a plane substrate and the reflection electrodes. CONSTITUTION:The diffusion reflection plate provided with the reflection electrod...