A heavy-duty pneumatic radial tire with a radial structure having at least two reinforcing layers provided on the outside of a turnup portion formed by turning up the end of a carcass ply about a bead core from the inside of the tire towards the outside of the tire, wherein a rubber stock is provided in the inside of the outer reinforcing layer so as to cover the end of said turnup portion and the...

The invention relates to compositions for oral hygiene such as toothpastes, mouthwashes, chewing gums, etc. containing a synergistic 3-component mixture of a fluorine compound, e.g. sodium fluoride and (or) sodium monofluorophosphate, a zinc ions releasing compound, e.g. zinc chloride, zinc acetate and (or) zinc citrate, and xylitol. This mixture shows an improved activity against Streptococcus sp...

Zum Antrieb eines linear bewegbaren Bauelementes, insbesondere des beweglichen Schaltstiftes eines elektrischen Hochspannungs-Leistungsschalters wird zwecks Erzeugung des Druckfluids für jeden Bewegungshub ein bestimmtes, dafür ausreichendes Volumen Brennstoff in einen Brennraum eingeführt, in den vor Beginn der Bewegung ein zum Verbrennen des Brennstoffes ausreichendes Volumen Sauerstoff eingefül...

Antiskid device for the advance on snow or ice of the driving wheels of motor vehicles. The device is wheel-shaped and has a central hub portion (5) intended to be applied and fixed to the outside of a driving wheel (6) of a motor vehicle, a peripheral deformable crown (3) with a spiked or jagged contour for gripping the roadbed and a plurality of spring-loaded and fluid-operated telescopic spokes...

This lever element comprises a hollow lever body (10) of polymeric material ending at one end with a handgrip (13), and at another end with an upturned U-shaped end portion (16) surrounding and partially containing a rigid support (20) of polymeric material, having a circular portion with a first front teeth formation (24). The upturned U-shaped end portion (16) of the lever is rotatively rigid wi...

A programmable FIFO buffer is disclosed which including a (serial) input register for receiving signals representing in serial format a word of data and for developing signals representing the data word converted to parallel format, a control register for controlling the serial-to-parallel conversion process, a (parallel-input parallel-output-type) FIFO buffer for storing the data word, a (serial)...

Vorrichtung zum Erzeugen eines Hochgeschwindigkeits-Flüssigkeitsimpulsstrahles, mit einer Rohrleitung (5), welche an dem einen Rohrleitungsende ein Ventil mit einem Ventilkörper (3), der aus einer Ausgangsstellung heraus in eine Betriebsstellung bewegbar ist, und einer an den Ventilkörper (3) angreifenden Stellvorrichtung (4) aufweist und im Abstand von diesem Rohrleitungsende an einem Flüssigkeit...

Durch die Verwendung von als Abfallstoff in Strahlanlagen anfallendem Glasschlackenmehl als Zuschlagstoff in Beton wird ein leichter Feinbeton geschaffen, der sich durch eine hohe Hitzebeständigkeit und Abschreckfestigkeit auszeichnet.; A concrete aggregate consisting of glass slag powder arising as waste in sandblasting installations leads to a lightweight fine- grained concrete which is distingu...

An improved lighting system for tennis courts, baseball fields and football fields and similar applications is disclosed. Fixed-aim floodlights provide rectangular normally horizontal patterns of illumination. The floodlight lamps are maintained vertically to maintain maximum efficiency. Each floodlight is also provided with a reflector for redirecting light rays from the lamp and a refractor havi...

The invention relates to a method of manufacturing barium sulphide from barites or barium sulphate. The method o f manufacturing barium sulphide as per this present invention involves using finely divided calcium carbide for the reduction at a temperature about 873 K. It is preferred to use the carbide mixed with coke. It is also preferred to use an addition of borax to the carbide or the carbide ...

A high pressure sensor for a motor vehicle combustion chamber comprises a thick silicon chip (65) operating in bending mode, a flexible resilient closure member in the form of a bellows (63) and a thermally resistive push-rod (64) transferring force from the bellows to the chip.

A power source control system is disclosed for a data terminal (4) which is connected to a communication line (l) through a modem (3) and a network control unit (2). A power source control unit is provided between the modem (3) and the data terminal (4) while interface between the modem (3) and the data terminal (4) is maintained so that when an incoming call to the data terminal is received and d...

A method is disclosed for using a single instruction multiple data (SIMD) computer (10) which makes it possible to perform thousands of operations in parallel. The words of each document are stored by surrogate coding in tables in one or more of the processors (35) of the SIMD computer. To determine which documents of the database contain a word that is the subject of a query, a query is broadcast...

Surface wellhead apparatus for use in tying-back casing from a subsea structure (C) to a surface structure (G) or when drilling with mudline-supported casing hangers wherein the casing is maintained in tension by means of a lock member (28) which releasably engages with a support surface (30), the lock member (28) and support surface (30) being, on release, relatively movable in a direction longit...

Carbon fibers from pitch are treated with carbonizable resin precursor and carbonized to give an improvement in carbon fiber strength.

An acoustic transducer l comprises a piezoelectric material 4 having a linear shape and which is arranged in the form of a flat spiral within a body 2 of encapsulant material. The piezoelectric material may be a polyvinylidine fluoride coaxial cable and this thus can allow the construction of a high performance planar hydrophone at relatively low cost.

A laminated sheet material which can be used to form packages or envelopes for electrically sensitive components. The laminated sheet material includes an antistatic layer (20) providing a surface resistivity in the range from 10<8> to about 10<1><3> ohms per square. A first conductive metal layer (22) is adhered to the antistatic layer and provides a surface resistivity of less than about 10<5> o...

The apparatus includes: a first actuator (3) serving for rough control in the tracking direction and a second actuator (4) serving for precise control in the tracking direction; an output means (6) for producing a signal of acceleration of moving part of the first actuator; and a compensation means (8) for making a compensation for a displacement of the second actuator caused by physical interfere...

A brake actuator has a body (8) containing a pair of brake-applying members (l0, ll) which may be actuated hydraulically to separate the friction elements of a brake into engagement with a rotatable braking surface. The members (l0, ll) are interconnected by a mechanism in the form of a shaft (l2) of which respective end portions (l3, l4) are provided with reversible threaded portions of opposite ...

In an hydraulic system in which an hydraulic actuator (1) is controlled by a servovalve (10;50), a feed back signal derived from fluid flow associated with actuator movement is used to operate the servovalve, to ensure accurate control of the hydraulic actuator. The feedback signal can be an hydraulic signal derived from the pressure differential developed across a restriction (30) in the fluid fl...