This invention relates to the design of a directable solar reflector whose screen or heat concentrator can be folded down 26 and the rest of the elements are dismantleable 22 to 25, which means that it occupies a small amount of space and is easily carried. The most characteristic aspect of the product lies in the structure of the screen. This is based on a sheet of plasticized cardboard in an app...

A silicon wafer measuring method includes: (a) a first step of measuring a light transmission characteristic (IOBS) of the pulled silicon wafer by incidence of parallel polarized light at Brewster angle into the pulled silicon wafer, (b) a second step of measuring a light transmission characteristic (IO) of a floating zone silicon wafer functioning as a reference silicon wafer both front and rear ...

An apparatus for detecting extraneous substances on a glass plate (1) comprises a first light projecting system (41) arranged above the glass plate surface under examination for irradiating the surface with an S-polarized laser beam at a first elevation angle, a second light projecting system (42) arranged above the surface for irradiating it with a P-polarized laser beam at a second elevation ang...

A method of and an apparatus for inspecting an end of an object for a defect which can accurately detect any of defects caused by deformation of the object end in horizontal and vertical directions. Light from an end of an object (3) is received by a pair of image sensors (1, 2) disposed at a predetermined angle, and brightness outputs of picture elements of the image sensors are stored into a mem...

A method is proposed for evaluating the optical quality of an article of glazing using a projection technique. The shadow of the article of glazing (3), projected with the aid of a point light source (2, 15), is analysed by a computer-aided camera (6). The illumination at a point (M) of the screen (4) is compared to the illumination at the same point (M) in the absence of the article of glazi...

PCT No. PCT/DE95/01537 Sec. 371 Date Jul. 8, 1996 Sec. 102(e) Date Jul. 8, 1996 PCT Filed Nov. 7, 1995 PCT Pub. No. WO96/14773 PCT Pub. Date May 23, 1996In an umbrella, particularly a standing umbrella, sunshade, garden umbrella or similar, with a frame, a roof structure and a canopy, where the roof rods (5) are linked to a pole element (2) bearing a cap (3) and moveable in a telescopic manner rel...

PROCEDIMIENTO PARA LA ELABORACION DE PARTES DE MOLDES DE SINTERIZADO CON UN CONTENIDO EN CARBONO FINAMENTE DIVIDIDO MEDIANTE CONFORMACION PREVIA DE UNA MEZCLA A BASE DE A) UN POLVO METALICO Y/O CERAMICO Y B) POLIOXIMETILENO Y/O UN COPOLIMERIZADO CON PROPORCIONES PREDOMINANTES EN UNIDADES OXIMETILENO PARA LA FORMACION DE UN CUERPO BASICO, ELIMINACION DEL AGLOMERANTE POR MEDIO DE TRATAMIENTO CON UN ...

Cement blends incorporating at least 5 and up to 40 % siliceous crop residue ash and cement compositions and products containing said blends are provided. At least about 50 % of the ash particles are in the 10-75 micrometer size distribution range and the mean diameter is greater than 6 micrometers. Methods for decreasing the permeability of hardened cement products and a method for accelerating t...

Cement blends incorporating at least 5 and up to 40 % siliceous crop residue ash and cement compositions and products containing said blends are provided. At least about 50 % of the ash particles are in the 10-75 micrometer size distribution range and the mean diameter is greater than 6 micrometers. Methods for decreasing the permeability of hardened cement products and a method for accelerating t...

By mixing a high-melting polyvinyl alcohol type polymer (A) and a low-melting water-soluble polymer (B) in a solvent for the polymer (A) to prepare a spinning solution and then subjecting the solution to low-temperature spinning so that the resulting filaments are solidified uniformly in the cross-sectional direction, there is formed a fiber of sea-islands structure comprising said high-melting po...

PCT No. PCT/EP90/01959 Sec. 371 Date Oct. 1, 1991 Sec. 102(e) Date Oct. 1, 1991 PCT Filed Nov. 16, 1990 PCT Pub. No. WO91/12445 PCT Pub. Date Aug. 22, 1991.For the elimination of distortion of a thin walled cold formed brake piston the piston (1) perimeter wall (5) is stiffened by one or more formed grooves (3) and one or more inwardly projecting ridges each formed by a corresponding groove. The s...

SE DESCRIBE UN PROCESO PARA FABRICACION DE ESPUMA DE POLIPROPILENO EXTRUIDO, DIMENSIONALMENTE ESTABLE Y DE BAJA DENSIDAD COMPUESTO PRIMARIAMENTE POR MATERIAL DE POLIMERO DE PROPILENO EXPANDIDO DONDE LA ESPUMA TIENE UN AGENTE DE SOPLADO QUE COMPRENDE AL MENOS EL 15% DEL PESO DE UNO O MAS AGENTES DE SOPLADO INORGANICOS. LA ESPUMA TIENE UNA DENSIDAD ENTRE 10 Y 150 KILOGRAMOS POR METRO CUBICO Y UN ESP...

UNA COMPOSICION DE RESINA DE POLIMERO AROMATICO MONOVINILIDENO, OPCIONALMENTE REFORZADO CON GOMA, QUE INCLUYE: A) UN POLIMERO DE MATRIZ OPCIONALMENTE REFORZADO CON GOMA; Y B) UNA CANTIDAD PLASTICIZANTE DE UN SOLIDO (A TEMPERATURA Y PRESION AMBIENTE), PESO MOLECULAR BAJO, UN POLIMERO DE LIMONENO O ALFAMETILESTIRENO Y, OPCIONALMENTE, OTRO MONOMERO AROMATICO DE VINILO COPOLIMERIZABLE, CON UN PESO MED...

COMPOSICIONES DE PLASTISOL, A BASE DE COPOLIMEROS DE CLORURO Y ACETATO DE VINILO, QUE SE SINTETIZAN POR EL PROCEDIMIENTO DE POLIMERIZACION EN SUSPENSION, TIENEN ELLOS MISMOS UNA BAJA VISCOSIDAD CUANDO LA RELACION ENTRE EL POLIMERO Y EL PLASTIFICANTE ES BAJA, DE TAL MANERA QUE PERMITEN FORMULACIONES INYECTABLES SIN AIRE DE PLASTISOL. ESTAS COMPOSICIONES SON ESTABLES Y FACILES DE GELIFICAR. INCLUSO ...

SE DESCRIBE UN DISPOSITIVO PARA INTRODUCIR DE MANERA SENCILLA Y EN FACIL OPERACION UN PRODUCTO BAJO PRESION QUE SE ENCUENTRA EN UN DEPOSITO EN OTRO DEPOSITO EQUIPADO CON UNA VALVULA DE PULVERIZACION, CUYO CONTENIDO ESTA ASIMISMO BAJO PRESION. PARA ELLO SE FIJA UN PRIMER ADAPTADOR (5, 6) TUBULAR AL MENOS AL PRIMER DEPOSITO (1, 2) POR LA PARTE SUPERIOR, RODEANDO LA VALVULA DE PULVERIZACION (3, 4) DE...

A zig-zag and alternate scan conversion circuit for encoding/decoding videos which is structured only by logic circuits using a regularity of scan address patterns, thereby achieving an improvement in processing speed and a reduction in area. The circuit includes a zig-zag and alternate scan address generating unit for receiving a start signal, a basic operation clock signal, and a control signal ...

An apparatus for encoding a digital video signal of an image based on a still object-oriented coding technique wherein the image signal is divided into a number of blocks of an identical size and pixels lying outside of the object being masked with a zero value comprises a subblock formatter for subdividing each of the blocks into 4N subblocks; 4N encoders, each of said encoders for encoding each ...

EL OBJETIVO DE LA PRESENTE INVENCION ES UN SISTEMA DE MEZCLA PARA LA ELABORACION DE AGENTES DE RECUBRIMIENTO QUE CONTIENEN DISOLVENTE CON UN COLORIDO AJUSTADO DE FORMA EXACTA A PARTIR DE COLORACIONES BASICAS DIFERENTES, QUE SE CARACTERIZA PORQUE EL SISTEMA DE MEZCLA CONTIENE: A) COLORANTES A BASICOS DIFERENTES, QUE CONTIENEN AL MENOS 5 % EN PESO DE AGUA, AL MENOS UN PIGMENTO SUMINISTRADOR DE COLOR...

LA PRESENTE INVENCION SE REFIERE A UNA PASTA (A) DE MATERIAL DE RELLENO, CONTENIENDO A1) 5 HASTA 50 % EN PESO DE UNA RESINA DE POLIURETANO O MULTIPLES RESINAS DE POLIURETANO, A2) 0,5 HASTA 13 % EN PESO DE UNA O MULTIPLES POLIOLEFINAS CLORADAS CON UN CONTENIDO EN CLORO DESDE 10 HASTA 40 % EN PESO, CON REFERENCIA AL CUERPO SOLIDO DE POLIOLEFINA CLORADA, Y CON UN PESO MOLECULAR MEDIO NUMERICO DESDE 5...

A bird's eye view commonly used in a flight simulation is applicable to an apparatus and method for navigating a vehicle running on a set route of travel to a set destination using a (color) display unit according to the present invention. The bird's eye view of a road map surrounding a present position of the vehicle has a viewing point placed at a predetermined position on an upper sky in a dire...