PURPOSE:To enhance the efficiency in formation and initial performance of a paste type plate by making the mean particle size of red lead oxide to be addided to lead powder larger than that of the lead powder. CONSTITUTION:The mean particle size of red lead oxide to be added to lead powder is made larger than that of the lead powder. Preferably, the mean particle size of 80% or more of the red lea...

In a driving gear for front and rear wheels of automobile, comprising an engine with a crank shaft disposed in the direction of width of the car body, a transmission means supported on an engine case at one side axially of said crank shaft, a clutch provided between the engine and the transmission, a first differential gear coupled to the transmission, a second differential gear transmitting one o...

An automatic control device for an electronic apparatus provided with a central control unit, characterised by comprising: an exciter circuit (3) electrically connected to said central control unit (2) and comprising a transmitter (4) for transmitting scanning signals and a receiver (5) for receiving coded response signals; a portable receiver-transmitter (6) comprising a receiving section (7) abl...

La présente invention concerne une fixation de sécurité pour ski, destinée à maintenir l'avant d'une chaussure sur le ski.

Cette fixation est caractérisée en ce que le ressort de compression 9 est engagé dans la partie inférieure creuse 11a, ouverte à son extrémité antérieure, de l'écrou de réglage de dureté 11, la vis de réglage de dureté 14 s'étend longitudinalement au-dessus du ressort...

The maintenance and blocking product for puncture holes in tyre casing is of the type made up of a plugging agent such as rubber particles, a reaction-activator, a coating agent, a thickener, an antifreeze, a rust preventer and water in sufficient quantity; the said product is characterised in that the plugging agent is made up of rubber particles preexpanded in an organic solvent, the said pluggi...

The implant (13) comprises an optic part (14) consisting essentially of a divergent lens with thick edges (16) and a haptic part comprising two elastic loops (15) for support inside the eye and extending on both sides of the optic part, in the same diametral direction (50), from two points on the optic part which are respectively and diametrally opposed. A connection zone (19) situated outside the...

A densitometer apparatus (410) is disclosed and is adapted to provide color density measurements of object samples. The densitometer apparatus (410) comprises a source light (580) for projecting light toward an object sample comprising a control strip (588, 620). A reflection optics assembly (576) is adapted to measure light density reflected from the object sample when the object sample is in the...

This toe binding has a housing which is fixed to the ski and two angle levers which are rotatable about vertical axes and which bear with their longer lever arms against a ski boot to be inserted. The shorter lever arms are supported on a slide which is guided in the housing and stressed by a spring. Between the two angle levers, there is a vertical bolt which is mounted in the two prongs of the h...

For seismic monitoring of a petroleum deposit at least one signal receiving unit is fixed to an outside of a casing pipe before the casing plate is cemented in a borehole passing through the monitored zone. At least one housing, defined by projecting elements, (longitudinal members, stops), is provided along an outer surface of the casing pipe, with the where the reception unit being embedded and ...

PURPOSE:To improve the strength of attachment of oxide superconductive material to a coating material, substrate material, etc., and improve the mechanical strength by forming a layer of oxide superconductive layer through a middle reaction layer on a base body of platinum or platinum alloy. CONSTITUTION:An oxide superconductive material is heated up to over its fusing point to be fused, and the m...

PURPOSE:To prevent a superconductive thin film from deteriorating in characteristics by a method wherein the material of a first and a second metal oxide superconductive thin film is made from a composite compound such as Bi-Sr-Ca-Cu-O or the like and the material of a barrier layer is made from a Bi oxide compound of layered structure. CONSTITUTION:The material of a first and a second metal oxide...

50 to 95 parts by weight starch and 5 to 50 parts by weight polyvinyl alcohol with a degree of saponification between 87 and 100% are thoroughly mixed and furthermore the moisture content of the mixture is regulated between 10 and 25 weight %. Subsequently the mixture obtained is subjected to a thermo-mechanical treatment at a temperature situated between 110 and 180 DEG C. During the extrusion th...

A packaging shrink film consisting essentially of a random copolymer of propylene and an alpha -olefin having 4 or more carbon atoms or a random copolymer of propylene, an alpha -olefin having 4 or more carbon atoms and ethylene, said random copolymer satisfying the following conditions: (1) the content of an alpha -olefin having 4 or more carbon atoms in the copolymer is 8 to 30 mole %, (2) th...

La présente invention concerne une dispersion aqueuse de silicone, réticulant en un élastomère par élimination de l'eau comportant : - 100 parties d'une émulsion A du type huile dans eau d'un alpha, omega-dihydroxy)polydiorganosiloxane stabilisée par un tensio-actif anionique et/ou non ionique; - 0,1 à 20 parties d'aminosilane et/ou d'amidosilane; - 0 à 3 parties d'un catalyseur métallique de d...

The invention relates to a device for measuring drilling parameters. It comprises a test body 9 mounted rotationally in a casing 15 and provided at its two axial ends with connection means 10, 12 for interposing it between the drilling head of a drilling machine and a string of drill rods which is driven in rotation by the said drilling head, sensors 23, 26, 31, 34 mounted on the said test body, a...

The present invention relates to a piston cap for a disc brake comprising a brake motor consisting of a piston 24 sliding in a cylinder 26, this cap consisting of a flexible material and providing sealing between the piston 24 and the cylinder 26 by means of a bead 32 located on its internal periphery and being housed in an annular groove 34 made on the crown of the piston 2, and of a holding part...

Dispositif perfectionné de surveillance sismique d'un gisement souterrain comportant au moins une unité de réception de signaux disposée à l'extérieur d'un tube de cuvelage avant sa cimentation dans un forage traversant la zone surveillée.

Sur sa surface extérieure, le tube comporte au moins un logement 51 délimité par des éléments en saillie (longerons 49, 50, butées 40, 42) où l'on enca...

This invention relates to a process for producing phenolformaldehyde foams, also known as phenolic foams, of improved properties. The inventive feature resides in using a controlled combination of the various components in the curing reaction mixture and in controlling the temperature within the mass of the curing mixture. The process is applicable to production of block or laminated foams. Phenol...

The invention concerns a plastic coated steel tube which is coated with at least one layer of a polyolefin which has been modified with a hydrolysable silane.

The invention relates to light-curing dental compositions, in particular filling compositions (composites), with a long shelf life and manipulating time.