A method is provided for separation of air by cryogenic rectification comprising compressing feed air, passing the compressed feed air through a prepurifier wherein the air is substantially cleaned of impurities, thereafter cooling the cleaned air in a cooled regenerator and then introducing it into a cryogenic air separation facility wherein it is separated into nitrogen-rich and oxygen-rich comp...

The present invention describes a new, open circuit, vertical, solar water heater (COMPACT) without the classical solar collectors, without the bulky metal supporting base and without the hydraulic connection pipes between the collectors and the water tank (boiler), which consists of the water tank 1, the collecting surface of the tank 5, the collecting surface of the heat exchangers 20 & 21 throu...

FIELD: textile industry. SUBSTANCE: material has multiplicity of thread-like filament bunches arranged between and intersecting with nodes. Bunches and nodes define patterns of square windows. Each filament bunch has filament segments which are compacted and compressed. Filament segments of bunches are extending in parallel one with another. Entangled portion 54 with filaments tending to turn in c...

A pretreating apparatus suitable for the adhesion of plastic sheets having poor adhesive properties comprises a primer treatment means and an adhesive application means. The present invention is characterized by the primer treatment means (20). The primer treatment means includes a sheet conveyance means for conveying the plastic sheet in one direction at a constant speed, a friction means (21) ha...

The present invention provides a coating composition having improved intercoat adhesion with an under coating layer. The coating composition comprising: (A) a film-forming resin, (B) a crosslinking agent for thermosetting the resin (A), and (C) a phosphate, a sulfonic acid or a carboxylic acid having a long-chain alkyl group of 8 to 18 carbon atoms and HLB of 3 to 12. A solid content of the ...

A method and apparatus are provided for obtaining measurements from a wellbore during tripping operations. A drilling sub is attached to the drillstring adjacent to or as near as possible to the drillbit before commencing normal drilling operations. Prior to commencing tripping operations, a logging tool is engaged within the drilling sub. The engagement of the logging tool within the drilling sub...

The valve includes a switched electromagnet. A spring arrangement comprising springs (50,51) between a closing member (45) and a fixed counter bearing (31), has a characteristic which is a straight line of opposite sign to that of the stroke force of the electromagnet. At least one of forces, magnetic or spring, acts in the closing direction of the closing member.

The jolt reducing device is installed in a vehicle with a power train comprising a continuously variable transmission (CVT) (2) and an engine (1). It includes a calculating sector, which calculates an inertia torque caused by a gear change and converts it from an alteration rate into the transmission ratio of the CVT per unit time. An output torque correcting sector corrects the torque transmitted...

A support for use in tyre manufacture comprises a profile portion (24) corresponding to the near final shape of a tyre to be manufactured, and turn up means (38) arranged either side of the profile portion (24). Each turn up means (38) includes a flange movable into an upstanding state, in which state the turn up means defines a support surface against which a component of a tyre can be wound.; La...

A tread package for a pneumatic tyre comprises two tread sub-packages (106). The sub-packages (106) are annular. Each sub-package (106) has an annular abutment surface lying in a plane substantially perpendicular to the axis of the sub-package such that the abutment surfaces of the sub-packages can be fitted together to constitute a tyre shape.; La présente invention concerne un ensemble bande de ...

A tyre support for building a pneumatic tyre has a substantially circular body and comprises a plurality of radially extending fingers (24). The fingers (24) are each moveable relative to the body between an extended position and a retracted position. When the fingers are in the extended position, the support defines an external periphery corresponding to an intended final shape of a pneumatic tyr...

Apparatus for manufacturing a tyre component comprises continuous ribbon extrusion means (12) for producing a substantially continuous supply of ribbon of elastomeric material, ribbon delivery means (26) for receiving ribbon from the extrusion means, and a turntable onto which the delivery means (26) is operative to deliver ribbon.; La présente invention concerne un appareil de fabrication d'un co...

Rigid polyurethane foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition containing an aromatic polyester polyol, (c) an organo phosphorus compound and (d) a C1 to C4 hydrofluorocarbon.; La présente invention concerne des mousses rigides de polyuréthanne présentant une résistance à la fla...

Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device (10,20) which comprises a coil (22) energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's longitudinal axis (12). A sensor unit mounted on the mobile vehicle comprises four identical sensing coils (A,B,C,D,) each responsi...

An apparatus and method for supplying a graphic label that is readable with a light scanning device with such label placed on a rubber article. The graphic bar code label is optically interpreted with a bar code reader. Thus, the cured substrate with the label with the graphic message is produced by using thermal transfer techniques. For this purpose, the ribbon in contact with the substrate passe...

The present invention relates to films or sheets of linear polyester having incorporated therein a combination of precipitated silica particles and calcined clay having certain particle sizes and present in specific amounts based upon the weight of the polyester film. The addition of these fillers improves several properties of the film, including the handleability while maintaining acceptable opt...

The data-card receiving device has a front wall with a card slit and slit closing part (4). The closing part is formed as a rocker which is elastically supported in the data card insertion plane. Transport rollers (8) with pressure members (31) carry the card (6) between the insertion and withdrawal position and a read and write position. The transport rollers are driven by a motor, which also dri...

Rigid polyurethane foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition containing an aromatic polyester polyol, (c) an organo phosphorus compound and (d) a C1 to C4 hydrofluorocarbon.