A current sensing device particularly for rotor ground fault detection in a highly inductive field is able to sense and identify the location of low order fault current when the load current in conductors is on the order of at least 1,000 amperes. Laminated strips of magnetic material are flexible to be located ideally about the conductors to maximize the sensitivity signal and minimize the effect...

Methods for producing cementitious compositions from waste products, such as non-ferrous slags, or fossil fuel combustion residue, or ferrous slags, whereby the CaO and alumina contents of the waste products are adjusted as necessary to enable them to combine with a sulphate additive at elevated pH and so couple the faster reactions of the mineral Ettringite with the slower ones of the calcium sil...

A process for the purification of 1,1-diphenylethane with good fragrance quality. The product is produced by first subjecting the distillation residue from ethylbenzene production to distillation, then treating the distillate with sulfuric acid, separating the sulfuric acid phase, washing the oil phase with an alkali metal hydroxide solution and water, and subjecting the oil phase thus obtained to...

PURPOSE:To eliminate the need for position adjustment between charts, by avoiding offensive sight of a narrow eye sight chart image at coordinate tracking through the elimination of the narrow sight field index chart image from an index chart image of broad eye sight for screen with one index chart board. CONSTITUTION:Two ITV camera 6 and 8 are mounted on a read-head for a coordinate reader, and t...

PURPOSE:To mark coordinate read position efficiently by putting the mark indicating coordinte read completion on a transparent sheet independent of a drawing and providing a marking head separately from a coordinate reading head. CONSTITUTION:The drawing where many white round hole patterns are formed on the black background is positioned on a supporting face 8, and a coordinate reading head 34 is...

A motor vehicle headlight having a reflecting body which consists of a paraboloid of translation with inclined lateral end walls characterized by the fact that a spherical reflector is formed centrally on the paraboloid. A condensing lens is located ahead of the light source and a diaphragm is situated between the light source and condensing lens. The focus points of the condensing lens and spheri...

A recording device for recording on a sheet is provided with a heater for heating portions of the sheet on which printing is to be carried out. The heater is controlled by a memory which stores data related to the period of time required to heat the portions of the sheet to a predetermined temperature value as well as the time required to heat a preceding portion of the sheet.

Calcium phosphate type crystallizable glass for dental materials, which is composed essentially of from 41 to 49.5 mol % of CaO, from 50 to 58.5 mol % of P2O5 and from 0.5 to 5 mol % of Al2O3, and which has an atomic ratio of calcium to phosphorus (Ca/P) within a range of from 0.35 to 0.49.

A member for a semiconductor apparatus for carrying or holding a semiconductor device (4), obtained by joining an aluminum nitride substrate (1) and a radiating substrate (6), comprises an insulating member (1) formed by an aluminum nitride sintered body to be provided thereon with the semiconductor device (4) and a radiating member (6) to be joined to the insulating member. A metal material for f...

Ein aus Grundausleger (12), Zwischenausleger (14) und Löffelstiel (16) mit Grabwerkzeug bestehender Baggerarm ist an einen Tragteil (86) angeschlossen, der direkt oder mittelbar um eine senkrechte Achse (84) drehbar ist. Um außerhalb der Fahrzeugslängsachse Gräben mit senkrechten Wänden ziehen und um eine günstige zusammengefaltete Transportstellung erreichen zu können, besteht der Zwischenauslege...

Image recording apparatus characterized by being equipped with the carriers (6,101) to carry recording sheet, recording head, carrier guides (15C,15M,15Y,15BK) which is so arranged as placing the carriers in between the guides and the recording heads (1C,1M,1Y,1BK) and pushing members (116C,116M,116Y,116BK) provided in between the recording heads and the carrier guides, the carrier guides being ro...

Collagen membranes with desired properties are prepared by using a variety of gel-forming techniques in combination with a method for converting the gels to solid forms which involves disrupting and centrifuging a matrix, harmonizing the precipitate auto or paste and casting and drying the paste. The properties of these membranes or other solid forms may be further altered by cross-linking the col...

Phosphate glass ceramic (A) contains (by wt.) P205 45-55%; Al203 6-18%; Ca 13-19%; R20 11-18% (up to 18% Na20; up to 7% Li20) and Me0, Me203plus Me02 1.5-10%. The last component serves as nucleus formers (to generate the primary crystal phase and thus vol. crystallisation) and consists of MnO (up to 8%); CaO, NiO and FeO (up to 6%); Fe2O3, Cr203 or Zr02(up to 5%). The ceramic is prepd. by 2-20 hr...

A portable water-purifying device 10 comprises a drinking cup 12, a chemical container 14, a raw water receptacle 22 and a cover 36. Silvered carbon is contained in upper compartment 42 and lower compartment 46 and a microbiocide resin in an intermediate compartment 44. The chemical container 14 screws onto the rim of the drinking cup 12, with its lower portion 74 projecting downwardly into it. Th...

A combination of a mechanical key of the reversible type and a steering shaft for locking and unlocking a key cylinder including a stationary housing and a rotatable rotor mounted therein. For reducing car thefts, the key is provided with electrical contacts arranged on opposite surfaces. An illuminator control circuit is mounted on the key and is adapted for delivery of a code signal correspondin...

A filter assembly characterized by an electric heater assembly having a heater coil disposed in an inlet flow path to filter media and carried within the filter media. The electric heater assembly also includes a thermostat with the inlet portion of the flow path for sensing fuel temperature immediately prior to passing into the filter media.

An embossing machine (10) for making weakening marks on a material shaped like a sheet or card of non-uniform thickness, in particular on inserts of identity cards provided with watermarks and intended for enveloping in films, has two embossing tools (24, 26) which are mounted in such a way that they can move back and forth oppositely in relation to each other on linear guides (16, 18, 20, 22) and...

A thin-film coating apparatus for coating a surface of a substrate with a thin film wherein the creation of void spaces can be prevented on the contacting surfaces between the laminated film and the electrically conductive layer formed on a substrate. The apparatus includes wet rollers which are arranged along the substrate conveyance path prior to a tacking position where the thin-films are tempo...

A first non-asbestos inorganic hardened composition comprising a mixture of 100 parts by weight of cement, 5 to 60 parts by weight of quartzite powder, 5 to 60 parts by weight of wollastonite, and 0.1 to 10 parts by weight of fiber, mixed with an appropriate amount of water, molded, and hardened, and a second non-asbestos inorganic hardened composition based on the first composition, further compr...

A foam extrusion system and method employs a horizontal vacuum chamber (10) with a bulkhead (11) and extrusion die (16) at one end of the chamber, the extrusion die being inside the chamber when the bulkhead is closed. A liquid baffle, preferably water, is provided at the opposite end of the chamber through which the extrudate passes from the chamber to atmosphere. The baffle comprises a pond (30)...