The present invention relates to a method and a device in wells, and preferably energy wells, for sealing thereof, said wells being of a kind comprising a well casing (1) and circulation pipes (2) extending inside said well casing, preferably for the circulation of a heat-exchange medium. According to the invention a tubular gasket (4) is fitted around the circulation pipes (2) so as to enclose th...

A resin reinforced fibre product such as glass fibre impregnated with a thermosetting resin is treated to recover fibre by initially shredding the waste, pulverizing the shredded waste and sieving the pulverized waste to separate the free fibres. The remaining waste is milled to produce a fine powder suitable as a filler. The pulverizing is completed without classification and a portion of the pul...

Automotive SLI lead-acid batteries are disclosed which are characterized by enhanced resistance to positive grid corrosion, even when exposed to the current, relatively high under-the-hood service temperatures in use with recent model automobiles. The grids are formed from either a cast lead-based alloy including from about 0.025 to 0.06% calcium, from about 0.3 to 0.7% tin and from about 0.015 to...

SE PRESENTA UN ACCIONADOR ELECTROMAGNETICO (10) QUE TIENE UN ELECTROIMAN (12), UN ELEMENTO DE NUCLEO (16), EN DONDE EL ELEMENTO DE NUCLEO TIENE UNA PRIMERA POSICION SEPARADA INICIAL NORMALMENTE POLARIZADA ALEJADA DEL ELECTROIMAN CUANDO EL ELECTROIMAN ESTA DESACTIVADO Y UNA SEGUNDA POSICION DE PARADA CERCANA AL ELECTROIMAN CUANDO EL ELECTROIMAN ESTA ACTIVADO, UN PRIMER MIEMBRO ELASTICO (20) ADAPTAD...

Soporte regulable para secadores be peluquería. El soporte está previsto para mantener suspendido un secador manual (6) de los utilizados en peluquería, comprendiendo dicho soporte una carcasa (1) en cuyo interior va dispuesto un carrete (2) de enrollamiento para un cordón (4) que, emergiendo al exterior de la carcasa (1), cuenta con medios de sujeción para el secador (6), estando asociado interna...

LA PRESENTE INVENCION SE REFIERE A PELICULAS POLIESTER QUE POSEEN PROPIEDADES QUE LAS HACEN APTAS PARA LA OBTURACION, PARTICULARMENTE DE BOTES PARA PRODUCTOS LACTEOS FRESCOS, TALES COMO YOGURES, QUESOS O POSTRES. CONSISTE ENTONCES EN PELICULAS DE POLIESTER, QUE TIENEN UN ESPESOR DE 5 A 30 MICROMETROS Y QUE SATISFACE LA PRUEBA DE USO, QUE PRESENTA UNA TASA DE CRISTALINIDAD SUPERIOR O IGUAL A 50%, R...

SE DESCRIBE UN PREPOLIMERO DE POLIURETANO CON GRUPOS NCO A PARTIR DE POLIOLES OLEOQUIMICOS Y POLIISOCIANATOS, QUE ESTA CARACTERIZADO PORQUE EL POLIOLO SE OBTIENE MEDIANTE TRANSESTERIFICACION EN PRESENCIA DE COMPOSICIONES BASICAS DE LITIO. LA ESTABILIDAD AL ALMACENAMIENTO SE INCREMENTA CONSIDERABLEMENTE EN COMBINACION CON UNA AMINA TERCIARIA QUE SIRVE PARA ACELERAR EL ENDURECIMIENTO EN HUMEDO. LA C...

An environmentally friendly polymer film pouch made from a homogeneously branched linear ethylene interpolymer film structure for the packaging of flowable materials such as milk, is disclosed. A pouch made from a multilayer film structure such as a two-layer or a three-layer coextruded film containing at least one seal layer of a homogeneously branched linear polyethylene is also disclosed. A pro...

A process for preconsolidating a planar porous fiber-thermoplastic resin layer which is unconstrained in the inplane directions by heating the layer to above the melting point of the resin, then applying pressure to the plane of the layer causing resin flow, thus orienting the fibers in the plane of the layer.

A method of forming a diffusion barrier on an article of a polymer blend of (i) a high surface energy polymer and (ii) a low surface energy polymer. Most commonly the low surface energy polymer is an organosilicon polymer, as a polysilane or a polysiloxane. The surface of the article is exposed to ozone and ultraviolet radiation to form a diffusion barrier.

A super-absorbent partially crosslinked polymer has saline absorption of 50g/g, and a solid layer of the polymer has saline absorption of 20g/g and porosity of at least 500 g. Also claimed is a process for the preparation of the product using the polymer.

A formulation based on the PTFE, homopolymer or modified, comprising: 1) latex of said PTFE having a particle diameter between 5 and 100 nm, comprising an anionic fluorinated surfactant in an amount in the range 2-25% by weight based on the PTFE; 2) a non ionic fluorinated surfactant added to the PTFE latex in an amount in the range 18-60% by weight based on the PTFE.

The invention concerns a composite material comprising a substrate having at least on one of its surfaces a primary impact-resistant layer and at least an antiabrasion coating deposited on the primary layer. The primary layer is obtained by applying on the surface to be treated a latex consisting of structured polymer particles having a domain with soft character (Tg < 20 DEG C) and another with...

UN CONJUNTO ELECTRONICO SELLADO MEDIOAMBIENTALMENTE. EL CONJUNTO INCLUYE UN SOBRE FLEXIBLE RODEANDO LA TARJETA ELECTRONICA ACTIVA. LA TARJETA ELECTRONICA ES INSERTABLE DENTRO DEL SOBRE Y CON EL SUBSECUENTE SELLADO, PROPORCIONA UN EMBALAJE ELECTRONICO ACTIVO EN EL QUE SE PUEDEN REINTRODUCIR ELEMENTOS PERO MEDIOAMBIENTALMENTE SELLABLE. SE DESCRIBEN TAMBIEN LOS METODOS DE FABRICACION DEL CONJUNTO.; A...

This invention discloses a method for manufacturing a planar silicon inductance with improved Q value comprising the steps of (a) providing a lightly doped p-type silicon substrate as the initial wafer; (b) forming a peripheral oxide layer on the light-doped p-type substrate; (c) defining a planar conductance pattern on the substrate; (d) defining an epitaxial area on the substrate having the plan...

A selective metal layer formation method, a capacitor formation method using the same, and a method of forming an ohmic layer on a contact hole and filling the contact hole using the same, are provided. A sacrificial metal layer is selectively deposited on a conductive layer by supplying a sacrificial metal source gas which deposits selectively on a semiconductor substrate having an insulating fil...

A warm wall type reaction chamber portion for forming an HSG silicon layer, and a method for forming a capacitor using the same. The temperature in the reaction chamber is maintained at 200-500 DEG C, and an adiabatic unit is provided for preventing heat discharge from the reaction chamber. The warm wall reaction chamber can selectively form HSG on the surface of a storage electrode, and reduce pr...

The present invention is a high quality semiconductor memory device using a ferroelectric thin film capacitor as a memory capacitor at a high manufacturing yield, the ferroelectric thin film of the capacitor is specified such that the relative standard deviation of crystal grain sizes is 13% or less, to thereby ensure a high remanent polarization value and a small film fatigue (large rewritable nu...

A transformer/inductor comprising magnetic elements having one or more coils, wherein the magnetic elements have a generally U-shaped configuration and are mutually joined and face in mutually opposite directions with the legs of one U-shaped magnetic element lying on the legs of the other U-shaped magnetic element such as to form a closed magnetic circuit. The magnetic elements (15; 16) may each ...