Expandable and expanded particles which are alkenyl aromatic-alkyl acrylate copolymers or physical blends of an alkenyl aromatic polymer, like polystyrene, and an alkenyl aromatic-alkyl acrylate copolymer, like poly(styrene-n-butyl acrylate), have decreased expansion times and lower minimum densities under the same expansion conditions when compared to expandable and expanded particles of only a a...

A receiving apparatus for receiving information transmitted from a bottomhole to a surface by means of electromagnetic waves. The receiving apparatus includes a receiving antenna for receiving a transmitted signal from the bottomhole, a noise detector for detecting noise current received by the receiving antenna, and a noise canceller for removing noise components received by the receiving antenna...

TITLE PROCESS FOR MAKING ROOFING MEMBRANE OF EPDM ELASTOMER AND ETHYLENE-CONTAINING POLYMER A process for curing a heat weldable roofing membrane by applying elemental sulfur on the exterior surface of the roofing membrane, said membrane being a blend of (a) 50-80% by weight of an ethylene/propylene/nonconjugated diene elastomer and (b) 20-50% by weight of an ethylene-containing polymer selected f...

Expandable and expanded particles which are alkenyl aromatic-alkyl acrylate copolymers or physical blends of an alkenyl aromatic polymer, like polystyrene, and an alkenyl aromatic-alkyl acrylate copolymer, like poly(styrene-n-butyl acrylate), have decreased expansion times and lower minimum densities under the same expansion conditions when compared to expandable and expanded particles of only a a...

: Un outil de puits tel qu'une sonde de mesure par exemple, est disposé dans un carter de protection et descendu dans un puits à l'extrémité d'une colonne tubulaire. Des moyens d'accrochage escamotables permettent de fixer l'outil au carter et à un câble électro-porteur. On connecte la colonne tubulaire à une installation de pompage capable de faire circuler jusque dans le carter un fluide de refr...

A method of mixed-bed filtration and demineralization for removing suspended impurities from the primary cooling water in a power plant by means of a demineralizer having a mixed bed formed of a particulate cation and anion exchange resin that have such a surface layer structure that granules are seen to bind with one another under microscopic examination, being able to be operated in a safe and y...

A method of mixed-bed filtration and demineralization for removing suspended impurities from the primary cooling water in a power plant by means of a demineralizer having a mixed bed formed of a particulate canon and anion ex- change resin that have such a surface layer structure that granules are seen to bind with one another under microscopic examination, being able to be operated in a safe and ...

A tire gel balancing composition having a Storage modulus of between 3000 and 15000 Pa and the Specific Gravity less than 1000 kg/m3 in the temperature range between -20 DEG and +90 DEG C., preferably its Storage modulus is about 9000 Pa, is capable of balancing tires by being able to flow under the vibrations caused by imbalance in a wheel assembly. The composition preferably comprises a mixtur...

A tire gel balancing composition having a Storage modulus of between 3000 and 15000 Pa and the Specific Gravity less than 1000 kg/m3 in the temperature range between -20 DEG and +90 DEG C., preferably its Storage modulus is about 9000 Pa, is capable of balancing tires by being able to flow under the vibrations caused by imbalance in a wheel assembly. The composition preferably comprises a mixtur...

17 VALVE DE DISTRIBUTION POUR UN RECIPIENT CONTENANT UN FLUIDE SOUS PRESSION GAZEUSE ET RECIPIENT EQUIPE D'UNE TELLE VALVE. La valve de distribution comprend une tige de soupage (6) mobile dans un corps de valve (3), cette tige étant munie axialement de deux canaux borgnes (7,8) opposés débouchant chacun vers une extrémité de la tige (6) et séparés par un fond (9), deux orifices transversaux (10, ...

Disclosed is a method of making a polarization retaining single-mode optical fiber. Longitudinal grooves are formed on opposite sides of a cylindrically-shaped core preform having a glass core surrounded by cladding glass. The core preform is inserted into a glass tube, the tube is shrunk onto the core preform, and the interface between the core preform and the tube is fused to form a solid prefor...

A mounting member for mounting face tiles on a building wall comprises an elongate profile member (11) adapted to be secured in vertical position on the building wall and having longitudinally spaced support hooks (17), each adapted to support a face tile. A resiliently displaceable retaining lip (10) is provided beneath such support hook (17). When in relieved condition, the retaining lip (19, 11...

A mounting member for mounting face tiles on a building wall comprises an elongate profile member (11) adapted to be secured in vertical position on the building wall and having longitudinally spaced support hooks (17), each adapted to support a face tile. A resiliently displaceable retaining lip (10) is provided beneath such support hook (17). When in relieved condition, the retaining lip (19, 11...

A method and apparatus for downloading instructions and other information to a peripheral controller for use in an Industry Standard Architecture (ISA) compatible computer provides a system which downloads instructions from the ISA compatible computer to an random access memory (RAM) accessible by the peripheral controller. The peripheral controller then executes these instructions to emulate the ...

A mounting member for mounting face tiles on a building wall comprises an elongate profile member adapted to be secured in vertical position on the building wall and having longitudinally spaced support hooks, each adapted to support a face tile. A resiliently displaceable retaining lip is provided beneath each support hook. When in relieved condition, the retaining lip projects forwardly from a t...

2095011 9208597 PCTABS00013 An injection mould for manufacturing disc-shaped plastic articles with a central hole comprises: a first mould part (4); a second mould part (5) displaceable relative to the first mould part by means of first displacing means; which two mould parts (4, 5) are displaceable between a closed first position, in which they together partially bound a mould cavity (6) correspo...

2095858 9208508 PCTABS00013 A needleless, three-shot, variable dose jet injector (1) comprises a body portion (2) having a passageway (5) and a trigger (7), a cylinder portion (11) onto which a medicament vial (17) can be screwed in order to vary the dose to be applied and a piston head (16) movable within the cylinder portion (11) to move a plunger (15) into the vial (17). The vial (17) has a bor...

A guidewire (10) for penetrating an occlusion (62) within a duct or vessel, such as a blood vessel, has an elongated main guidewire body (20) of a small, first diameter. The guidewire is terminated at its distal end with an enlarged resilient tip portion (24) having a lubricious outer surface (22), and is shaped and constructed t o penetrate the occlusion. The guidewire body is con- structed to be...

A catalyst composition for purification of exhaust gas, comprises (a) high-silica zeolite having a Si/Al ratio of 40 or more which has been subjected to ion exchange with at least one metal selected from Pt, Pd, Rh, Ir and Ru, and (b) a heat-resistant oxide containing at least one metal selected from Pt, Pd, Rh, Ir and Ru. The catalyst composition is supported on a monolith carrier as a single lay...

A method for structuring a communications network based on an asynchronous transfer mode in which communications are held with the use of cells transferred between a node (C) on the upstream side and a node (D) on the downstream side. The method for structuring the network includes a step for preparing a plurality of VPI conversion tables for converting VPIs of the cell input under normal communic...