PURPOSE:To enable to form a superconductor thin film exhibiting excellent superconductor characteristics without requiring any thermal treatment after vacuum deposition by employing a specific substrate when a Bi or Tl oxide superconductor thin film is formed on the substrate by the vacuum deposition method. CONSTITUTION:When the thin film of a Bi oxide superconductor or Tl oxide superconductor is...

A disc brake (30) comprises a brake pad (36) arranged to engage a disc (34), a stack of disc springs (122) arranged to urge the pad into contact with the disc, and a piston and cylinder assembly (68, 74) operable to move the pad away from the disc compressing the springs. The stack of springs (122) is arranged in a plurality of sub-stacks each contained in a cup (124) having a base (126) extending...

A reaction force type disk brake includes a brake disk, first and second friction pads opposed to opposite faces of the brake disk, a brake caliper including first and second clamping arms for clamping the pads, a hanger pin bridged over the clamping arms for hanging the pads, an urging member in the first clamping arm for urging the first friction pad against the brake disk, a stationary bracket ...

For the automatic actuation of a friction clutch (5) arranged between an engine (1) and a gearbox (7) of a motor vehicle there is proposed a control means (19) which reduces the power of the engine (1) during the gear change of the gearbox (7) while the gearbox is shifted via the neutral gear position thereof. During re-clutching after the gear change, the engine speed is automatically adapted to ...

A polyorganosilsesquinoxane fine powder having a moderate hydrophilicity, which is surface-treated with a block- or graft-copolymer comprising a polyoxyalkylene segment and a polysiloxane segment.

Device for injecting a hydrocarbon feedstock into a catalytic cracking reactor, comprising, from upstream towards downstream in the direction of travel of the feedstock, a system (5) for allowing to enter and mixing the liquid hydrocarbon feedstock and steam, a venturi (6) whose converging cone (10) is connected to the said system (5) for allowing to enter and mixing, and a protective hood (7) int...

A method of improving the paint adhesion properties of a cycloolefin polymer article comprising exposing the surface of said article to a solution of sodium hypochlorite or a solution of potassium permanganate. Preferably the solution is of sodium hypochlorite and it further contains a detergent solution.

Disclosed herein are stretched poly(arylene thioether) block copolymer films and a production processes thereof, said block copolymer film comprising a thermoplastic material composed of (A) 100 parts by weight of a particular poly(arylene thioether) block copolymer, (B) up to 100 parts by weight of at least one other thermoplastic resin, and (C) up to 15 parts by weight of at least one filler. Th...

PCT No. PCT/EP89/00956 Sec. 371 Date Feb. 12, 1991 Sec. 102(e) Date Feb. 12, 1991 PCT Filed Aug. 12, 1989.Arrangement and method of operating a variable drive unit with a selector switch for the preselection of a long-term speed and a control unit which allows for the continuous operation of a continuously variable power split transmission only at reduction ratios ( phi continuous) having a certai...

PCT No. PCT/EP89/00958 Sec. 371 Date Feb. 13, 1991 Sec. 102(e) Date Feb. 13, 1991 PCT Filed Aug. 12, 1989 PCT Pub. No. WO90/02060 PCT Pub. Date Mar. 8, 1990.Arrangement and method for operating a drive unit for motor vehicles, particularly for agricultural and construction machinery, with a controllable internal combustion engine (2), a continuously variable hydromechanical power split transmissio...

The present invention relates to a process for the solvent-induced crystallization of amorphous poly(etheretherketone)-type polymer to produce an article, which process comprises contacting a preformed article of a polymer comprising amorphous poly(etheretherketone)-type polymer with at least one organic compound its liquid state which comprises atoms of carbon and hydrogen and has a molecular wei...

An improved process for producing sulfur-cured polyphosphazene foams is disclosed. The process comprises foaming more than one storable, stable accelerator base composition comprising the sulfur curing agent, a phosphazene oil and a polyphosphazene. A masterbatch of the same or similar polyphosphazene is made by mixing together a hydrated filler, processing aids and phosphazene oil. The materbatch...

An aqueous composition containing a ketone can be concentrated by a pervaporation process across a non-porous separating layer of cast polyvinyl alcohol which has been cross-linked with an aliphatic polyaldehyde containing at least three preferably 3 to 8 carbon atoms including those in said aldehyde groups.

Bead-form expandable styrene polymers are obtained by suspension polymerization of styrene with addition of from 1 to 10% by weight of C3- to C6-hydrocarbons as blowing agents and, if desired, customary additives, where (a) the polymerization is initiated by rapidly heating the polymerization batch to form 80 DEG to 90 DEG C. within a maximum of 2 hours, (b) subsequently allowing the reaction te...

Foam particles of propylene polymers which have shrunk from 40 to 95% of their original volume and have a bulk density of from 10 to 30 g/1 can be expanded if they are treated with air or nitrogen under superatmospheric pressure, subsequently decompressed. If desired post-foamed by heating and, after aging, re-treated with air or nitrogen under superatmospheric pressure, subsequently decompressed ...

This invention relates to a composite sheet for a reinforcing material consisting of a web containing reinforcing long fiber bundles and a single fiber-like thermoplastic polymer fiber. This sheet is characterized in that the thermoplastic polymer fiber comes between the long fibers constituting the web and is entangled and integrated with the latter. The composite sheet is produced by depositing ...

A process for preparing a permeable sheet of glass fibre reinforced thermoplastic material for moulding into a shaped product which includes binding thereto a surface layer of particulate material which is compatible with or inert to the thermoplastic content of said sheet and which acts to improve the surface finish thereof when the sheet is subsequently heated and chill moulded under pressure.

A propylene-ethylene random copolymer having a following characteristics: (a) a melting point of 115 DEG C to 140 DEG C; (b) an ethylene content, determined by the C<1><3>-NMR method, of 6 to 20 mol%; (c) a block index, calculated according to the C<1><3>-NMR method, of 1.1 or less; (d) an MFI, determined at 230 DEG C under a load of 2.16 kg, of 0.5 to 100 g/10 min; and (e) a ratio of the MLM...

In a position-sensitive radiation detector having a semiconductor body which at least in the operating condition comprises a high-ohmic zone (11) between two radiation-sensitive diodes (6) provided with connection electrodes (9), a high-ohmic zone (11) between two semiconductor zones (6) provided with connection electrodes (9), can be apparently centered by varying the voltages at the connection e...

An arrangement for cooling a synthetic gas, generated in a gasification reactor, by means of a quenching cooler. The cooler is positioned below the outlet from the reactor and comprises a refrigerated inner jacket (5) surrounded by a pressurization jacket (1) and accommodating a water sump (6). There is an intermediate section (3) between the inner jacket and the outlet from the gasification react...