Polyoxyalkylene surfactants for cellular foams can be prepared by reacting under free radical polymerization conditions (1) an unsaturated polyoxyalkylene adduct and (2) an esterified unsaturated dibasic acid ingredient, wherein unsaturated diester ingredient (2) either completely or partially comprises a fumarate diester.

A tire consisting of an air-tight internal panel (1), carcass (2), wire cap (10), hump strip (9), belt (5), tread (6), shoulder portion (7), wire core (11) and lateral portion (8), whereby a combined prefabricated air-tight panel (1) with carcass fabric (2) in special rubber mixture encircles at least twice and on which is at least a double encircling coil (5) with textile treads crossing each oth...

In tube heat exchangers are in permeators (100) having hollow fiber membranes (116) suitable for fluid separations, the tubes or fibres are embedded in a tube sheet (120) and the tube sheet is positioned in a fluid tight relationship within a casing (102 by a cup seal (141). The cup seal comprises a polymeric ring which substantially surrounds and cooperates with a resilient member to provide both...

An optical fiber comprising core glass having therearound a cladding comprising fluorine-containing quartz glass and a process for producing the same are disclosed. Said cladding is composed of an inner portion having a prescribed thickness and a constant fluorine content through its thickness and an outer portion having its fluorine content being gradually decreased in a radial direction so that ...

The apparatus comprises a structural frame (1) pivotally carrying a tipper (2) which has a pair of conveyors (11, 12) for mould-holding trays (15) adapted to be aligned to an input conveyor (13) and output conveyor (14) and provided with holding jaws (50) and a driving frame-piston assembly (40, 41, 42, 43) for moving the mould-holding trays (15) along a substantially perpendicular direction to th...

PCT No. PCT/SE80/00140 Sec. 371 Date Jan. 15, 1981 Sec. 102(e) Date Jan. 7, 1981 PCT Filed May 14, 1980 PCT Pub. No. WO80/02611 PCT Pub. Date Nov. 27, 1980.Arrangement in data transmission between a transmitting computer, sending signal words containing start-stop information, message words and address-control signal information, and a receiving computer, for providing separate supervision of faul...

An auxiliary adhesive layer (2) is applied to an auxiliary support (1). Then flock fibres (3) are fixed in the auxiliary adhesive layer, either continuously or in accordance with a predetermined pattern. The flock pile thus formed is then printed with one or more colours, preferably with the use of a screen printing process. Finally, a melt-on adhesive is applied to the coloured flock pile, which ...

1. Process for the preparation of hydrochlorides of polar, water-soluble compounds having a protonatable nitrogen atom in a solvent, characterised in that the following steps are carried out : a) treatment of the polar, water-soluble compound having a protonatable nitrogen atom, or a salt thereof, with a reaction product, containing hydrogen chloride, of a sulphonyl compound of the formula (I) Q-S...

1. Process for the preparation of hydrochlorides of polar, water-soluble compounds having a protonatable nitrogen atom in a solvent, characterised in that the following steps are carried out : a) treatment of the polar, water-soluble compound having a protonatable nitrogen atom, or a salt thereof, with a reaction product, containing hydrogen chloride, of a sulphonyl compound of the formula (I) Q-S...

A method and apparatus for producing two-dimensional, plan view images of in vivo blood flow networks using unique nuclear magnetic resonance (NMR) pulse sequences are disclosed. The method teaches the use of a pair of 90 DEG selective pulses separated by a delay time optimized to provide images with enhanced blood flow contrast by discriminating against stationary media surrounding the blood flo...

A blade pitch angle control for a wind turbine-generator establishing an optimum power or torque reference signal which, when operating conditions so warrant, is not limited by the nominal torque or power ratings of various turbine generator components. The reference signal is indicative of a maximum blade angle setting for safe operation of the wind turbine. An integral or lag compensation circui...

Apparatus for cooling hot gaseous products containing suspended carbon black, and separating the carbon black therefrom, comprises a cylindrical rotary drum (1) surrounded by a cooling passage (3) for the gas to be cooled; and outer cylindrical shell (6) surrounding said cooling passage, said cylindrical drum and outer shell each being provided with internal cooling means such as water-jackets (1a...

A pulling device for a towing vehicle (1) for coupling to a trailer with steerable front wheels (5) and involving a primary coupling unit (2) designed to be coupled to another coupling unit (8) in the form of a hook, bar, or the like, belonging to the trailer. A dragging section (3) carries the first coupling unit and connects this to the towing vehicle. The dragging section (3) possesses a joint ...

The profiles pass through several treatment baths. Their path is controlled by rollers which are arranged above the liquid surface, and also by the device which can be moved up and down in the bath. These devices are plates which move up and down in channels. The profile panes over a roller at the end of each plate. - The band of profiles is moved by two rollers which are driven by a motor. Device...

When manufacturing cladding tubes of zirconium alloy for fuel rods of nuclear reactors through extrusion of the zirconium alloy and cold rollings of the extruded product as well as annealing, intermediate annealing between the cold rollings and an (α + β) quenching before the last cold rolling, a cladding tube with all good corrosion properties and mechanical properties is produced by the (α + β) ...

Each attachment column comprises a post attached to the outside of the ice hockey frame and having a hollow, semi-circular cross-section. The column also has inwardly facing support surfaces (13) on either side of a symmetrically positioned track (12). Also provided for the column is an arc-shaped fixing rail which has, on its inside facing the column, reinforcement flanges (20) which fit on eithe...

The ice hockey frame comprises sections releasably joined to each other by bolt unions. Each section has a frame with upper and lower horizontal parts, and two vertical parts. The frame incorporates an inside frame wall which internally is supported by at least one vertical and one horizontal beam, together with a top support. The frame upper horizontal part has a hollow profile with a longitudina...

The invention concerns an internal combustion engine of the piston type where combustion gases are exposed to elements of ceramic material.A model shows, respectively, a piston and a metal holder (4), within which a ceramic lining (5) is packed. The holder is designed so that cavities (14, 15) form between it and the surrounding parts of the piston. The cavities are filled with ceramic wadding. Ai...