PCT No. PCT/SE96/00040 Sec. 371 Date Jul. 17, 1997 Sec. 102(e) Date Jul. 17, 1997 PCT Filed Jan. 18, 1996 PCT Pub. No. WO96/22248 PCT Pub. Date Jul. 25, 1996An apparatus for producing highly pressurized air-saturated water intended preferably for dispersion in flotation plants, has, preferably, an upstanding cylindrical pressure vessel (21) which, in operation, is filled partially to a controlled ...

PCT No. PCT/SE96/00041 Sec. 371 Date Jul. 17, 1997 Sec. 102(e) Date Jul. 17, 1997 PCT Filed Jan. 18, 1996 PCT Pub. No. WO96/22249 PCT Pub. Date Jul. 25, 1996A device for distributing and dispersing highly pressurized air-saturated water, preferably for use in a flotation tank (1) of a water purification plant, is placed adjacent to inlet openings (2) through which water to be treated in the flotat...

PURPOSE:To enable always proper speed change control by setting speed change stages on the basis of an accelerator opening detecting value and vehicle speed in normal travelling control, while setting the speed changes on the basis of variate other than the accelerator opening detecting value in constant speed travelling control. CONSTITUTION:A throttle control means B is controlled according to a...

A method for determining the direction of a borehole during drilling comprises determination of inclination angle theta and highside angle phi from gravity acceleration ( &upbar& g) measurements and determination of azimuth angle psi from magnetic field ( &upbar& B) measurements along with the calculated inclination angle theta and highside angle phi , the determinations being carried out...

A method for the preparation of elastic block soft foam materials comprises reacting the following components together :(A) polyisocyanates ; (B) polyol compounds with a molecular weight of 400-10000 containing at least two hydrogen atoms that can react with (A) ; (C) water and optional organic propellants ; (D) standard stabilisers ; (E) standard activators ; and (F) other standard auxiliary agen...

Dibasic carboxylic acids or salts thereof are used to remove metals, particularly calcium and iron, from hydrocarbonaceous feedstocks. An aqueous solution of the acid is used to extract the metals from the feedstock prior to processing. Oxalic acid is the preferred compound.

The invention relates to polyurethane mouldings which are provided with a contoured, multilayer film and comprise a) a top layer of paint, b) a middle layer of a urethane- and/or urea-containing film, produced from a thermocurable mixture which has a long shelf life at room temperature, and c) a rear layer of a compact or cellular polyurethane, which may optionally contain inserts and/or reinforci...

An additional piston (8,9) is arranged concentrically to the main hydraulic piston (6) and means (30,32) are provided for locking the additional piston into a pre-determined position if the pressure (Pout) of the hydraulic fluid leaving the work chamber of the piston-cylinder device exceeds a pre-selected limit.

For gas phase polymerization reactions in the presence of an unsupported polymerization catalyst, there is provided a process for introducing a liquid catalyst so as to provide a resin particle lean zone such that the average particle size of the resin produced ranges from 0.25 to 1.52 mm (0.01 to 0.06 inches).

PCT No. PCT/NL96/00039 Sec. 371 Date Sep. 9, 1997 Sec. 102(e) Date Sep. 9, 1997 PCT Filed Jan. 23, 1996 PCT Pub. No. WO96/23024 PCT Pub. Date Aug. 1, 1996The invention relates to a substrate provided with super-absorbent material to be manufactured by allowing suitable monomers to polymerize in the presence of a catalyst in order to obtain a polymer solution, adding a cross-linking agent to the po...

PCT No. PCT/FI95/00717 Sec. 371 Date Aug. 18, 1997 Sec. 102(e) Date Aug. 18, 1997 PCT Filed Dec. 29, 1995 PCT Pub. No. WO96/20894 PCT Pub. Date Jul. 11, 1996The invention relates to a method for treating waste water sludge comprising at least one metal originating from a waste water treatment coagulant, and phosphorus and heavy metals in order to recover said at least one metal and phosphorus and ...

The process registers borehole depth and comprises the transmission of data into a downhole computer. The data includes length measurements of the tubular drill string (5) sections (3) to be added, together with the initial depth of the borehole (8). This information is stored in the computer, together with data defining the proposed course of the borehole. Before introduction, or on reaching the ...

A steering unit for a drilling tool used especially with a wrapped-tubing drillstring. Its tubular outer casing (1) accepts: an orientation device (4), measurement and control unit (6), measurement section (7), electronic signal processing section (8) and control section (9). A first external casing section is connected to the borehole end of the drilling line by a connecting section (10). There i...

The invention relates to the use of polymeric foam materials for insulation. These polymeric foams are prepared by polymerization of certain water-in-oil emulsions having a relatively high ratio of water phase to oil phase, commonly known in the art as high internal phase emulstions, or "HIPEs." The HIPE-derived foam materials used in the present invention comprise a generally hydrophobic, flexibl...

The present invention relates to compressable polymeric foam materials useful as insulation. These polymeric foams are prepared by polymerization of certain water-in-oil emulsions having a relatively high ratio of water phase to oil phase, commonly known as "HIPEs." The polymeric foam materials comprise a generally hydrophobic, flexible or semi-flexible, nonionic polymeric foam structure of interc...

PURPOSE:To facilitate exchange of a pad of an inverse actuation disc brake device, which maintains constant the stroke of a lever to rotate a cam, by opening with a cam a pair of carries, which press a friction pad against a disc while constantly receiving the strength of a pressurized means, and thereby releasing the brake, and also providing an automatic adjusting device for pad abrasion. CONSTI...

PURPOSE:To remove a photoresist on the surface of an oxide superconducting thin film without deteriorating the thin film by a method wherein when the photoresist film formed on the oxide superconducting thin film is removed, various conditions, such as a heating temperature and an atmosphere, are properly selected. CONSTITUTION:A photoresist film pattern is formed on an oxide superconducting thin ...

PURPOSE:To increase the formation amount of a 110K superconducting phase and to raise critical temp. by forming a superconductive film by laminating an insulating layer composed of Ca2Pbu(u : 3, 4) to a superconductor layer based on Bi2Sr2Ca2Cu3Ou. CONSTITUTION:A pasty mixture based on Bi2Sr2CuOu, Bi2Sr2CaCu2Ou and Bi2Sr2 Ca2Cu2Ou is applied to a Ca2PbOu film 31 and subsequently melted and solidif...