PURPOSE:To obtain a sealed lead-acid battery having good high-rate discharge performance and good cycling performance by removing free dilute sulfuric acid which is not retained in electrodes and a separator after charging, and then pouring a specific sol-state dilute sulfuric acid. CONSTITUTION:Dilute sulfuric acid is poured in a clad type lead-acid battery, and the battery is charged, then free ...

An adapter preferably of ultra high molecular weight polyethylene is provided for use with a conical centrifuge tube in an ultracentrifuge swinging bucket rotor hole and is designed to allow the easy removal of the adapter and tube after centrifugation. At the top of the adapter is an integral annular rim with an outside diameter equal to that of a cylindrical upper portion of the centrifuge tube ...

An ultraviolet irradiation bonding apparatus comprises an outer chamber 10 containing an ultraviolet lamp 31 and an inner chamber 11 an air duct being formed around the inner chamber 11, the inner chamber 11 being formed with an inlet 11a and an outlet 11b for parts being joined; an ultraviolet transmission plate 30 provided on the inner chamber 11 so as to cover an opening 11c formed in the upper...

A surgical dressing adapted for fastening around orthopaedic fixator pins and similarly shaped surgical devices adjacent their sites of entry to and exit from the body, comprises a pad (6) of a resilient and absorbent material adapted to be folded around one or more fixator pins in apposition to the sites of entry to and/or exit from the body; friction means (3) to be interposed between the pad an...

In a shredding machine, oppositely rotating cutter shafts (11a, 11b) are driven by an electric motor (E) through an epicyclic gear mechanism (G) comprising a casing (17) with an internal gear formation (52) and a planet carrier (31) carrying planet gears (34) in mesh with the internal gear formation (52), the motor (E) driving a sun gear (35) in mesh with the planet gears (34), the drive to the cu...

A control system for a motor vehicle provided with a continuously variable transmission and with an electromagnetic clutch for transmitting torque of an engine to the transmission. The transmission has a line pressure control valve having ports and a spool, a hydraulic circuit for supplying oil to the line pressure control valve so as to shift the spool to control the line pressure. When the clutc...

A battery structure arranged to avoid the inefficiency problems which normally accompany container bulging in conventional absorbed electrolyte batteries such as sealed lead-acid batteries. The battery container is separated by partition walls into a plurality of working cells into which are closely fitted conventional stacks of plates and separators. The partition walls hold the plates and separa...

An apparatus for positioning the spool in the valve body and setting the armature air gap with respect to the core assembly of a compound, spool type valve driven electro-mechanically by a pair of face type opposing solenoids.

Die Erfindung betrifft eine Vorrichtung zur kontinuierlichen zuverlässigen Messung der Ergiebigkeit von Ölbrunnen, die einen zweiphasigen Separator, ein an den Flüssigkeitsausfluss des Separators angeschlossen Gerät (16) zur Messung der Flüssigkeitergiebigkeit und einen damit verbundenem Wassergehaltsmesser (17), ein an den Gasausfluss des Separators (3) angeschlossenes Gerät (9) zur Messung der G...

Process for the preparation of alkanediols having at least two carbon atoms separating the alcohol groups, which comprises the reaction of a) an alkynediol and/or an alkenediol, of which the alcohol groups are separated by at least two carbon atoms linked by the alkynic or alkenic bond, respectively, and b) hydrogen, in the presence of a palladium compound and a base. r

The present invention relates to an improved pressing mechanism or device for cutters and in particular ream cutters, comprising a lever system for height adjusting the device and resilient means for continuously adjusting the locking pressure on the paper ream to be cut.

The utility model relates to a maintenance-free sealed lead-acid battery with horizontal electrodes, belonging to the field of electrochemical technique. The maintenance-free sealed lead-acid battery with horizontal electrodes can improve the oxygen recombining rate and the sealing reliability and improve the discharge performance of the maintenance-free lead-acid battery. The utility model has th...

By using circular and disc-shaped, non-coupling roving bobbin carriers 18, which carry only one bobbin 20, on a supply track 14, which extends along a ring spinnning machine 2, and on transverse tracks 16, branching away therefrom, the roving change process on the ring spinning machine 2 is quicker and simpler to carry out.

A multi-stage parallel binary adder and/or subtractor has a plurality of stages 0-31 divided into a plurality of groups p1-p16 of consecutive stages. Each group of stages can produce a carry propagate signal and/or carry generate signal respectively for controlling a series-connected MOS transistor and a shunt-connected MOS transistor along a carry path. A carry break signal produced by NAND gates...

An interlayer for a laminated glass, said interlayer being composed of a film or sheet of a thermoplastic resin (1), at least one surface of the film or sheet of a thermoplastic resin having numerous coarse raised (4) and depressed (5) portions and numerous fine raised and depressed portions (3) existing on the surfaces of the coarse raised and depressed portions (2), the average distance between ...

A method for prevention wall indentations in a splice region of the tire carcass by joining two cut edges of the tire carcass and applying to the splice region a splice tape which overlaps the cut edges of the carcass.

Polyethylene terephthalate scrap material containing on its surface a chlorine-containing polymer such as, for example, polyvinylidene chloride or polyvinyl chloride, can be recovered and reused by melt-blending it with a polymer from a defined class of ethylene copolymers containing an epoxy group, and melt processing the blend in the same manner as virgin polyethylene terephthalate. The recovere...

A method for producing and distributing wet zinc dust to a zinc sulfate purification system or other zinc plant operation is disclosed. The method comprises atomizing molten zinc with high pressure water or other suitable medium, and feeding a predetermined amount of the wet zinc dust to at least one zinc sulphate purification tank or any other zinc plant operation.

The subsurface position of a blowing well with respect to an adjacent relief well is determined by detecting at a plurality of axially and tangentially spaced locations in the relief well acoustic waves emanating from a subsurface location of the blowing well. The distance between the wells is calculated on the basis of the difference in times of arrival of the waves at said axially spaced locatio...