A device for cleaning large quantities (3) of water from debris at overflow edges (2) has a separating surface (10) which is arranged in a stationary position and through which the quantity of water flows. The separating surface (10) is designed as a piece of a cylinder circumference (7) with an axis (8) lying parallel to the overflow edge (2). Allocated to the separating surface (10) is a receivi...

The invention relates to radiology apparatuses. The invention is based on the fact that the shutters 27, 28 and 29 are displaced independently by the signals supplied by a processing device (22) which receives information regarding the position of the X-ray source 10, the receiver 18 and the type of pad 17 used. The device 22 is a suitably programmed microprocessor.

The fuel injection system has a body (2) with injector (1) inside of which is formed a space (4) connected to a pressurised fuel supply circuit. The space (4) outputs to an injection bus (12) at the end of which is fuel injection orifice (14) co-operating with movable vanes (3) which move between an open position and a closed position. The vanes are actuated by a drive (5,6) operated by an electro...

The scheme is used in transport. It economizes the basic fuelwithout any essential alterations in the engine and withoutbringing any extra weight to the vehicle. The engine can make useof radiant energy after one or more elements (1) are fitted on thebodywork of the transport vehicle or outside it which convert theradiant energy into electric current. The scheme includesterminals (11) in which ele...

The system is used for heating and lighting of business,residential and public buildings, greenhouse complexes, productionhalls, storages, etc. It consists of a folding concentrationreflective field (1) with a foil cover (2) transparent for thevisible and the IR spectrum of solar radiation, mounted on aroller supported structure (3) and connected to an electroosmoticunit with rollers for washing (...

The invention discloses a new class of silicone surfactants and their use fo r the preparation of flexible urethane foam. The surfactants incorporate high mole cular weight polyethers prepared with narrower molecular weight distributions than conventional polyethers. These polyethers are prepared using a double metal cyanide (DMC) catalyst. These surfactants are better foam stabilizers than the an...

Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded sheet. The method according to the invention is especially suitable for the prepa...

The present invention pertains to a method for preparing pulverized Polydextrose having a particle size of under about 125 microns in diameter from Polydextrose which is substantially free of low molecular weight organic acids which comprises the steps of (a) admixing Polydextrose which is substantially free of low molecular weight organic acids with an anti-caking agent to form a mixture, and (b)...

The invention is concerned with a process for the production of a suspension of cellulose in a liquid, aqueous tertiary amine-oxide, wherein shredded cellulose is mixed with the liquid, aqueous tertiary amine-oxide, said process comprising: (A) contacting the shredded cellulose with the liquid, aqueous tertiary amine-oxide, a first mixture being prepared, and (B) spreading this first mixture mecha...

Process and device for continuous decontamination of a liquid effluent polluted with one or more contaminants consisting of cations (2) of at least one metal. A first complexant is added to the liquid effluent to form a first complex salt (6) of the said metal which has a specified minimum molecular size. The liquid effluent is then separated from the first complex salt on a first semipermeable me...

Transformer torus comprising a magnetic circuit consisting of a plurality of segments of sheet metal strip (2) permanently having the general shape of a slit cylinder, the various sheet metal segments (2) being arranged concentrically and being assembled in this position at at least one point (4) of their circumference, for example by welding. Application: in particular to measurement transformers...

A plant for the production of cellulose films and fibers includes at least one pulping device for producing a first suspension of pulp in an aqueous amine-oxide solution and a first thin-film treatment apparatus for receiving the first pulp suspension and producing a concentrated pulp suspension. The plant also includes a second thin-film treatment apparatus wherein the concentrated pulp suspensio...

Service control and management systems, and particularly a system for managing service provision on an hourly basis, are disclosed. The system includes smart cards issued to service recipients and/or individual service providers, smart card readers provided at the locations where services are provided for use at that time, and a host capable of communicating with said readers. Each reader comprise...

The management system captures codes identifying an article conferring the right to a discount against a future purpose. The cash register at the point of sale prints the discount coupon with a coding that can be read by an automatic reader when the coupon is presented. The preferred coding printed on the coupon is a bar code, which is coded with information from the original purchase and a level ...

A process for depositing an adherent polycrystalline diamond thin film on a substrate, particularly a silicon or glass material, by chemical vapor deposition (CVD) at 1 to 15 torr and low temperatures of the substrate of between about 350 to 600 DEG C using hydrogen and methane and optionally carbon dioxide. The substrate being placed adjacent to the plasma. The substrate has diamond particles dep...

A radiofrequency wave apparatus and method which provides a relatively high concentration of reactive species from a plasma for the treatment of a surface particularly of a substrate (31) with a complex geometry in a holder (62) which masks a portion of the substrate. The radiofrequency waves are preferably microwaves or UHF waves. The apparatus and method is particularly useful for rapid plasma a...

Prodn. of vitamin A comprises: (a) reacting ethynyl-beta-ionol (I) with a 1,1-dialkoxy-4-chloro-3-methyl-2-butene (III) in the presence of a Cu catalyst and a base; (b) hydrogenating the prod. (IV) in the presence of a supported Pd catalyst; (c) converting the prod. (V) to retinal by eliminating the OH gp. and hydrolysing the acetal function; and (d) reducing the retinal with hydroquinone. Also cl...

Method for manufacturing a material for osteoplasty by treating human or animal bone tissue, characterised in that it involves at least one stage of selective extraction and/or denaturation of non-collagenic structure proteins by means of a urea based selective extraction agent.