An electromagnetic valve without an independent casing is provided. The electromagnetic valve includes the housing of a hydraulic control system in which the electromagnetic valve is functionally and physically incorporated. The housing has perpendicularly intersecting first and second wall surfaces and includes a cylindrical cavity bored into the second wall surface with the central longitudinal ...

This invention concerns the manufacture of a layer of elastomeric material to form part of a pneumatic tire, and the manufacture of a reinforced elastomeric layer. According to the invention a layer of elastomeric material is formed as a progressive helical winding along a mandrel. The layer may be transferred in cylindrical form to a tire carcass building former to constitute an inner lining for ...

A self-extinguishing polystyrenic composition comprising a polystyrenic resin, a fire-retardant amount of a halogenated organic fire-retardant agent and a nitrogen-containing organic compound selected from amines, amides and ammonium compounds containing from 20 to 40 carbon atoms and their mixtures, the nitrogen-containing compound being used in an amount of from 0.5 to 50% based on the weight of...

A cement compsn. consists of a cement and a particulate inorganic substrate, pref. CaCO3 or Fe oxide of a particle size of 0.02-20 microns. The substrate is completely coated with 0.2-20g of fatty acid, pref. oleic or stearic acid, per 100g of the substrate. A cement product is prepd. by mixing the cement, the substrate and a particulate base concrete formulation, adding water to the blended mix...

PURPOSE:To facilitate the stable formation of a superconductive oxide film by a method wherein an oxide film as an intermediate layer is formed on a substrate and, on the oxide film, a superconductive oxide film is formed, which contains copper, barium, and yttrium or any of rare earth elements. CONSTITUTION:A metal oxide film (intermediate layer) is provided, which is nonliable to reaction with t...

1439116 Modified rosin dispersion HERCULES Inc 1 Aug 1974 [6 Aug 1973] 34087/74 Heading C3R [Also in Division D2] An aqueous dispersion comprises, by weight: 5-60% fortified rosin (A); 0À5-10% watersoluble cationic dispersing agent (B) being a resin derived from epichlorohydrin and (a) polyaminopolyamide, (b) alkylenepolyamine, or (c) poly-(diallylamine); and (C) water to 100%. (A) is made by reac...

A downhole tool, to be used in a solution-mining process for detecting capacitively the position of a blanket-medium/brine interface in salt cavities, said tool being provided with a first means which is placed at a determined distance from another means, both means being adapted for capacitive measurements, the first means consisting of a plurality of individual segments, arranged one above anoth...

There is disclosed a method for making colored hydrophilic contact lenses. A contact lens constructed of hydrophilic polymer that is substantially devoid of the functional groups -COOH, -OH, -NH-R, wherein R is hydrogen or C1 to C8 alkyl, -NCO and epoxy is provided. At least a portion of the surface of the lens is coated with a color coat comprising at least one pigment, binding polymer having fun...

Hardenable foam compositions comprising oxygen-releasing foaming agents, a hardener consisting of an alkali silicate solution, a fine particle solid material which reacts with said hardener, namely an oxide mixture consisting of SiO2 and Al2O3 extracted from a filter dust, an electrofilter ash from high-temperature power plants, and calcinated bauxite or amorphous silica, to which reaction acceler...

PURPOSE:To easily perform periodic further prompt movement of a focal position by providing a means, which deflects the direction of an impulse wave or an ultrasonic wave in its irradiation axis by a reflecting plate, and controlling the direction of the irradiation axis, deflected by the reflecting plate, corresponding to the movement of a calculus. CONSTITUTION:A recessed surface ultrasonic vibr...

PURPOSE:To enable a treatment history to be sufficiently caught in a calculus crushing device by displaying a treatment trend which shows the history of crushing treatment being based on a means inputting a patient data, means storing in memory the data and this memorized data. CONSTITUTION:An X-ray tube 8 and an X-ray detector 6 are arranged being opposed facing interposing a living body 1, and m...

PURPOSE:To prevent an image from deteriorating and a calculus form its detection disturbance and wrong recognition or the like due to multiplex reflection of a coupling film by enabling an ultrasonic probe to move so as to come into contact with a living body in accordance with vertical movement of an applicator. CONSTITUTION:An ultrasonic probe 3, while it holds water-tightness by an 0 ring 8, is...

PURPOSE:To obtain a driving circuit for obtaining a maximum acoustic output with a limited vibrator area by providing a means generating a high voltage pulse positively or negatively, means generating a bias of potential in a reverse direction to the pulse before the high voltage pulse is generated, and so on. CONSTITUTION:When a switch 1 is turned on by an output of a sequence controller 3, an el...

A setting control agent for foamed concrete comprises 40-95 wt.% alumina cement compsn. and 60-5 wt.% type (II) anhydrous calcium sulphate of a specific surface 2800-6500 Cm2/g. The alumina cement compsn. comprises 100 wt.% alumina cement contg. CaO. Al2O3 as a main component and 10-400 wt.% CaO-contg. cpd. other than CaOAl2O3. The agent is esp. useful for the production of the foamed concrete f...

A process for preparing a fructoside, especially a fructosyl disaccharide, comprises reacting a fructosyl saccharide such as sucrose or raffinose with an alcohol or aldose in the presence of a fructosyl-transferase, especially one derived from B. subtilis NCIB 11811, 11872 or 11873. In particular, aldose is a compound of the formula (II) in which A represents a hydrogen atom or the grou...

The carrier consists of an insoluble, unswellable, porous polymer to which one or more nucleic acids or nucleic acid fragments, which are possibly provided with protective groups customary in nucleic acid chemistry, are attached, the pores in the polymer essentially having a defined size between 1400 and 10,000 ANGSTROM .

The carrier consists of an insoluble, unswellable, porous polymer to which one or more nucleic acids or nucleic acid fragments, which are possibly provided with protective groups customary in nucleic acid chemistry, are attached, the pores in the polymer essentially having a defined size between 1400 and 10,000 ANGSTROM .

Catalysts for the isomerization of n-paraffins are prepared by treating mordenite with an acid solution comprising Na- or K-ions and thereafter with a solution of an NH4-compound, mixing the thus treated mordenite with an inert binder material on which a Group VIII noble metal has been deposited and finally shaping the resulting mixture under high pressure.

A disposable incontinent garment having a narrow crotch portion integrally connected to front and back body-encircling portions, with elastic leg bands extending along the longitudinal margins of the crotch and elastic waist bands extending along the latitudinal margins of the front and back portions, the elastic bands cooperating to form generally truncated triangular front and back pocket portio...

Preceramic polymers which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other normally oxidizable materials are prepared by reacting 0.25-20 parts by weight of a trialkyl-, trialkoxy-, or triaryloxyboroxine in which any alkyl or alkoxy groups contain 1-6 carbons with one part by weight of a polysilazane to form an organob...