PURPOSE:To obtain the wire rod having excellent workability and supercon duction characteristic by specifying the arrangement of the composite wire and the matrix thickness on the outer peripheral part in the method of packing numerous pieces of the copper coating Nb-Ti composite wire having the pre scribed matrix ratio and a copper wire into a copper pipe. CONSTITUTION:The composite wire having a...

PURPOSE:To obtain the wire rod having excellent workability and supercon duction characteristic by specifying the arrangement in composite wires, the outer peripheral part matrix thickness and the cold work factor of after heat treatment in the method of packing numerous pieces of the copper coating Nb-Ti composite wires having the prescribed matrix ratio and copper wire into a copper pipe. CONSTI...

A method of producing elastomeric silicone foams from a two-part system is disclosed. The method mixes the ingredients then allows a froth to form and cure at ambient temperature to an elastomeric silicone foam. The method mixes a vinyl-containing polydiorganosiloxane (1), a hydroxylated polydiorganosiloxane (2), a platinum catalyst (3), an organohydrogensiloxane (4) and a profoamer (5). The profo...

This invention relates to fabric or cord coated as an individual filament or as the finished carrier material with hydrogenated nitrile rubber and the laminated materials prepared therefrom with the vulcanized rubber. It, furthermore, relates to a latex of said hydrogenated nitrile rubber.

PURPOSE:To manufacture a long-size superconductive tape without the need for a broad space by sputteredly sticking superconductor powder on the surface of a tape substrate in a target during the movememt of the tape substrate in an exit direction from the entrance of the target. CONSTITUTION:A superconductive tape is composed so that a tape substrate 3 can pass in a target 1 by turning a rotating ...

Disclosed is a method for the surface treatment of a polyolefin cured rubber molded article, which comprises coating the surface of the polyolefin cured rubber molded article with a solution formed by dissolving in an organic solvent a modified polymer having an intrinsic viscosity @ eta @ of at least 0.3, which is formed by graft-copolymerizing a propylene/ethylene copolymer having a propylene co...

The apparatus comprises a radiation source (4), an objective system (6) and, arranged between them, a diffraction grating (9) for separating the beam reflected by the information surface from the beam (5) emitted by the source and for splitting the reflected beam into two sub-beams (5a, 5b). For each sub-beam there is provided an associated detector pair (16, 17; 18, 19). The grating (9) comprises...

PURPOSE:To obtain a superconductive electric wire having a structure in which little strain is produced by mechanical stress by putting plated composite electric wires in a pipe, drawing down the pipe to the desired diameter and subjecting it to diffusion heat treatment. CONSTITUTION:An in situ rod 20 contg. many Nb fibers 21 dispersed and arranged closely in a matrix 22 is prepd. The rod 20 is dr...

PURPOSE:To carry out diameter reduction working and also making concentric with keeping excellent workability even if enlarged in capacity, by manufacturing an in situ rod and then by adding the third element to the above. CONSTITUTION:The in situ rod 1 having a structure in which many pieces of Nb fibers 2 stand close to each other and are dispersedly arranged in a copper-tin alloy matrix 3 is pr...

PURPOSE:To obviate troubles during diameter reduction working, by combining a core body as the third element with an in situ rod and by subjecting the resulting composite body to diameter reduction working prior to diffusion heat treatment in a state where the metallic elements in the in situ rod and the third element are not allowed to react with each other. CONSTITUTION:The in situ rod 1 having ...

Charge compositions containing aqueous mixtures of organic and nitrogen-containing compounds may be separated by pervaporation through a membrane assembly comprising a porous ceramic support bearing as separating layer, a membrane of cured polyvinyl alcohol of M.Wt 20,000 to 200,000 which has been cross-linked.

Novel self-reinforced polymer composites of polyetherimide and a melt processable wholly aromatic polyester are prepared according to this invention. The wholly aromatic polyester exhibits anisotropic properties in the melt phase. Mixing is carried out at a temperature at which both the polyetherimide and the wholly aromatic polyester are melt processable. The products of this invention comprise a...

A gear or belt pulley for connection to a motor arrangement has at least one hub unit with location for a bearing, with a dog clutch between motor and gear or pulley wheel. The front face of the gear (1) or hub (2) forms a component of the clutch (5), which operates in connection with another section fixed to the motor. The hub diameter is equal to the outer diameter of the connecting clutch compo...

The transmission has a shaft (8) with a chain wheel (13), installed on a first axis (I) coaxially to the crankshaft and the clutch (3). An input shaft (20) on a second axis (II), an output shaft (18) on a third axis (III), and a differential gear (5) on a fourth axis (IV) are installed in a two-section clutch and differential housing (11/12). The chain wheel (13) on the take-over shaft is connecte...

An anti-blocking agent comprising silica or mixtures of silica and zeolite is described, which is characterized in that it has a bimodal pore size distribution, the first maximum of the bidomal pore size distribution being in the pore size range < 5 nm and the second maximum of the bimodal pore size distribution in the pore size range > 6 nm. The anti-blocking agent is obtainable by micronizing a ...

The torque transferring assembly has a housing containing an input shaft and a sprocket shaft, as well as means providing a driving connection between these two shafts. A telescoping constant velocity joint is located in the housing, and an output shaft with a longitudinal central axis. The constant velocity joint is coupled to the sprocket and the output shaft, in order to transfer torque from th...

A process for producing an aromatic polyamide film, which comprises the steps of: (a) forming a thin layer of an optically isotropic dope in which an aromatic polyamide is dissolved in a polar amide, (b) immersing the thin layer dope of aromatic polyamide in a polar solvent, other than said polar amide, kept at a temperature not higher than -20 DEG C. to prepare a film, and (c) drying the film. T...

Disclosed herein is a process for preparing a water-soluble polymer, which comprises granulating a hydrous gel-like polymer obtained by polymerizing N-vinylformamide in the form of an aqueous solution of which a monomer concentration is 20 to 60% by weight, dispersing the formed polymer particles in methanol and contacting them with an aqueous solution of ammonium salt of a monovalent acid in an a...

Disclosed are methods for extracting leachable materials from a hydratable polymer by incorporation of an adsorbent into the solution employed to effect extraction. Suitable adsorbents ate characterized as having a higher affinity for the leachable materials than either the hydratable polymer or the solvent employed in the solution. Also disclosed are sealed packages comprising an aqueous solution...