A hollow filament bundle for use in a separator module is made by rotating two co-axial spiders 24 and 28 and looping a continuous hollow filament which is fed from a package 32 alternately around the arms 26 and 30 of the two spiders. This is done by means of a guide 40 which is reciprocated between the two spiders by a screw threaded shaft 34 which is rotated first in one direction and then the ...

The winch (1) includes a drum (2) rotating on a shaft (3) which, on either end, is supported in a bearing (4) resting on a base (5). The drum has on either side, a plate (6) against which a drive plate (7) is arranged. The latter are driven by motors (8). - The drive plates are each connected to the respective base by reaction rods. The rod connection may be resilient and hinged. The arrangement p...

A method and apparatus for use in the manufacture of pneumatic tires, in which a pair of tire bead assemblies are held in accurately spaced relationship against opposite ends of a tube. Tire carcass material carried on an expansible former is located within the tube and expanded to engage the bead assemblies, projecting ends of the carcass material being turned radially outwardly around the bead a...

A process for consolidating metal powders into slab configurations is disclosed in which the metal powder is encapsulated, heated and inserted in a containment die (12) and is subjected to a rolling operation to consolidate the powder.

An article for storage and transport of biogenic fluids such as blood, blood fractions, intravenous feeding solutions and liquid phase-delivered drugs is formed of an additive-free uncharged thermoplastic polymer of vinylidene fluoride copolymerized with a monomer.

Apparatus for decorticating shrimps of the crangon vulgaris and/or crangon species. It is characterized by a separate arrangement of a supply unit (2) and a decorticating unit (1); the first unit is used to sort out the shrimps, to separate them one by one and bring them to the decorticating unit (1) and comprises an oscillating conveyor provided with a magazine designed to separate the shrimps on...

PROCEDIMIENTO PARA LA OBTENCION DE ESPUMAS DE POLIURETANO RETARDADORAS DE LA LLAMA.CONSISTE EN PREPARAR UNA MEZCLA CONSTITUIDA POR UN CARBOHIDRATO, UN TENSOACTIVO, UN CATALIZADOR QUE FORMA POLIURETANO Y UN RETARDADOR DE LA LLAMA, PARA FORMAR UNA DISOLUCION ACUOSA O LECHADA, AÑADIR UN POLIISOCIANATO Y UN AGENTE ESPONJADOR, Y PERMITIR QUE ESPONJE LA MEZCLA POR REACCION DE SUS COMPONENTES.ESTAS ESPUM...

PROCEDIMIENTO Y APARATO PARA CENTRAR UN OBJETO CON RESPECTO A UN EJE CENTRAL.EL PROCEDIMIENTO CONSISTE EN EL EMPLEO DE UN PRIMER DETECTOR QUE TIENE UNA PLURALIDAD DE SENSORES CAPACES DE DETECTAR LA POSICION DE UN PRIMER BORDE DEL OBJETO A CENTRAR Y DE UN SEGUNDO DETECTOR QUE TIENE UNA PLURALIDAD DE SENSORES CAPACES DE DETECTAR LA POSICION DE UN SEGUNDO BORDE DEL OBJETO, EMPLEANDOSE ADEMAS MEDIOS P...

In making metal flake powder by wet ball milling a powder of the metal (e.g. nickel or stainless steel) in the presence of a lubricant in a mobile liquid system, the use of an organometallic substituted alcohol as the lubricant gives flake having improved reflectivity and/or electrical conductivity. The lubricant is preferably a titanate, e.g. isopropyl tri (dioctylpyrophosphato) titanate.

Thermoplastic polystyrene laminates are disclosed, one of the layers of which comprises a filled polystyrene composition containing from about 5 to about 50 of filler, such as calcium carbonate, clay, asbestos, etc. The filled polystyrene composition is prepared from a filled polystyrene masterbatch of impact polystyrene, filler, rubber and mineral oil, cut back by mixing with other polystyrene, e...

In the optical head, laser beams are converged by the objective lens and projected on the light-receiving surface of the optical disk. The diverged laser beam is reflected by the light-receiving surface, converged by the objective lens into parallel laser beams, and directed to the light shielding plate. Only the laser beam passing through the region spaced from the optical axis is picked up by th...

METODO PARA FABRICAR UN MOLDE O MACHO PARA FUNDICION.COMPRENDE: A) MEZCLAR UN MATERIAL REFRACTARIO GRANULAR TAL COMO SILICE, CUARZO, CON 0,5 A 8 DE UN AGLUTINANTE QUE COMPRENDE: UNA DISOLUCION ACUOSA QUE TIENE UN CONTENIDO DE SOLIDOS DE 50 A 75 EN PESO DE UNA RESINA DE FENOL-FORMALDEHIDO CON ALCALI DE POTASIO DE LAS CARACTERISTICAS SIGUIENTES: UN PESO MOLECULAR PROMEDIO EN PESO (MW) DE 600 A 1.500...

PROCEDIMIENTO PARA LA PREPARACION DE ARTICULOS MANUFACTURADOS A BASE DE CEMENTO CON FIBRAS DE AMIANTO.CONSISTE EN: A) OBTENER UNA SUSPENSION ACUOSA DE CEMENTO Y FIBRAS DE AMIANTO; B) FILTRAR ESTA SUSPENSION; C) DESHIDRATAR LA MASA OBTENIDA HASTA OBTENER LA CONSISTENCIA PARA MOLDEAR EN MAQUINA REGULANDO LA PRESION DE FORMACION Y EL VACIO DESHIDRATANTE; Y D) FORMAR RESPECTO AL PESO DEL CEMENTO SECO,...

PROCEDIMIENTO DE FABRICACION DE UNA PELICULA DE POLI(ALCOHOL VINILICO).CONSISTE EN LA FABRICACION DE UNA PELICULA DE POLI(ALCOHOL VINILICO) QUE SE REALIZA EN VARIAS ETAPAS: A) LA MATERIA FUNDIDA SOMETIDA A EXTRUSION SE OBTIENE POR PLASTIFICACION POR CIZALLAMIENTO Y FUSION DE GRANULOS DE POLI(ALCOHOL VINILICO). LOS GRANULOS TIENEN DE 25 A 35 EN PESO DE AGUA A TEMPERATURA SUPERIOR A LA DE FUSION DE ...

PERFECCIONAMIENTOS EN UN CILINDRO DE RUEDA PARA FRENOS DE TAMBOR.CONSISTENTE EN QUE EL CONJUNTO DE PISTON (32, 34) COMPRENDE UN PRIMER ELEMENTO ESTAMPADO (40) QUE TIENE FORMA DE U EN SECCION TRANSVERSAL, CON UNA CARA INFERIOR (42) QUE SE EXTIENDE PERPENDICULAR AL EJE DEL ANIMA (30) Y SE ADAPTA A UN DISCO DE ESTANQUIDAD RESILIENTE (46) PARA EVITAR LA FUGA DEL FLUIDO A PRESION; UNA PARED CILINDRICA ...