ALIMENTADOR (5) DE HOJAS UNA A UNA A PARTIR DE ESTUCHES (1,2) SITUADOS UNO ENCIMA DEL OTRO. CADA ESTUCHE (1,2) TIENE UN SUBCANAL (34) PARA LA HOJA SITUADO DESDE ABAJO HACIA ARRIBA. ESTOS SUBCANALES (34) ESTAN SITUADOS DE TAL FORMA QUE SE ALINEAN FORMANDO UN PASO COMUN DE ALIMENTACION DE LA HOJA QUE PENETRA EN EL APILAMIENTO DE ESTUCHES DESDE LA PARTE INFERIOR HASTA LA PARTE SUPERIOR CUANDO TODOS E...

1870001 PERFORATED ELASTOMERIC SOFT FILM AND WOUND DRESSING MADE THEREWITH The perforations in a film-faced wound dressing have been discovered to have edges which, though clearly defined, lack the ability to cut the neoepithelium of a healing wound, with the result that the film affords an unexpectedly high degree of comfort during movement of the patientand most particularly, when the dressing i...

A method for producing a lead-acid battery having a thixotropic gel electrolyte, comprising combining an aqueous colloidal dispersion of alkali metal polysilica with sulfuric acid while introducing the combination into a lead-acid battery precursor. A lead-acid battery comprising a battery case, positive and negative metal plates spaced one from another within said case and a thixotropic gel elect...

Water clarifying apparatus has a cylindrical tank where particulate contaminants suspended in raw water are separated using flotation techniques. A set of concentric mutually spaced, conical plates are positioned in the flotation tank. The plates rotate about the tank, preferably in unison with a (i) header that distributes equal quantities of raw water to each annular zone in the tank defined by ...

A front jaw having a housing receiving a release spring therein, through which housing extends a pull rod acting onto two toggle levers. In order to improve the release operation in such a front jaw, the invention provides that the housing has two bearing surfaces designated for a bearing part, which bearing surfaces are vertically spaced from the pull rod, and that the axles of the two toggle lev...

A method for preparation of rigid foam disclosed. The method comprises mixing at least two components to form a reaction mixture. The reaction mixture comprises isocyanate, up to about 20% by weight CHClF2, up to about 2% by weight of water, and a combination of polyols having an average OH number of from about 300 to about 500 and comprising polyalkoxylated glycerin having an OH number of from ab...

A method of mixing a powder material and a binder in a predetermined ratio and kneading the mixture so that substantially whole surface of the powder particles are covered by the binder, molding the kneaded mixture into the shapes of desired products, then removing the binder from the moldings without causing expansion or cracks in the moldings before sintering. The binder comprises one or more or...

A molded polyurethane foam system utilizing hydrofluorocarbons and alkane hydrocarbons as the blowing agent. The molded polyurethane foam products of the invention have a high-density integral skin and a low-density core. The blowing agent can be the HFC, tetrafluoroethane (HFC-134a) chemical alone or a mixture of tetrafluoroethane (HFC-134a) with one or more of the following: alkanes (such as 2-m...

An antistatic polyester film comprises a polyester film having provided on one or both surfaces thereof a thin layer of a mixed composition, wherein (1) the mixed composition is composed essentially of (A) a polyester polyacrylic copolymer (component A); (B) an anion-type high molecular weight antistatic agent (component B); (C) a fine particle having an average particle diameter of no greater tha...

PARA CREAR DISPOSITIVOS Y UN PROCEDIMIENTO PARA EL ALISTAMIENTO DE UN ERROR EN UN CARRIL DE MATERIAL EN EL MARCO DE UNA VISTA DEL ERROR, DONDE SE REGISTRA AL ERROR DE TAL MANERA, QUE SU POSICION EN X SENTIDO SE MANTIENE A TRAVES DE UNA MARCA COLOCADA SOBRE EL CARRIL DE MATERIAL Y AL MENOS UN DATO SEGUIDO DE LA POSICION JUNTO CON UNA INDICACION DE LA MARCA, DONDE SOLO UNA VEZ HAY QUE ABARCAR UN ERR...

UNA TAPA DE UNA BOTELLA PARA UN FLUIDO MEDICO, QUE TIENE UN OBTURADOR DE CIERRE EN UNA ABERTURA. LA TAPA TIENE UN RESALTE QUE SE EXTIENDE INTEGRAMENTE DESDE UN CUERPO DE TAPA DE UN MIEMBRO DE LA TAPA. EN TORNO A LA PARTE DE LA BASE DEL RESALTE SE FORMA UNA PORCION DE PLACA DELGADA PARA CURBAR Y SEPARAR EL RESALTE DEL CUERPO DE LA TAPA CON SEGURIDAD Y FACILIDAD. LA PLACA DELGADA CONTIENE UNA ACANAL...

A system for handling a flexible thin wall tubular extrudate of an elastomeric material of the type used as a body ply element for the manufacture of tires, and for cutting-off a predetermined length sleeve of the extrudate and delivering the sleeve to a discharge station. A pair of grippers is movably mounted on carriage assemblies which move the grippers horizontally and transversely with respec...

A method for granulating a stream of molten metal which is caused to fall from a launder or the like down into a liquid cooling bath in a tank. The metal stream is divided into droplets in the liquid cooling bath, which solidify and form solid granules. A substantially uniform flow of cooling liquid is caused to flow from one of the side walls in the tank substantially perpendicularly against the ...

The use of solutions of zinc carboxylates having 8 to 24 carbon atoms in aliphatic polyamines having a molecular weight in the range from 131 to 500 and containing a total of 2 or 3 primary, secondary and/or tertiary amine nitrogen atoms, and optionally aromatic diprimary diamines having a molecular weight in the range from 108 to 350 as the additive which effects the formation of a compact surfac...

The use of 1,1-difluoroethane (HFC-152a) and dimethyl ether, optionally with up to 50 mole % of water, as the blowing agent is disclosed as an efficient route to a rigid, closed-cell polyurethane or polyisocyanurate foam of improved cell structure and excellent insulation properties.

Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane, being useful as cleaning solvents, refrigerants and foam blowing agents.

A shaped polyamide article, particularly of a fibrous structure or a film, is made of a polyamide containing at least one additive selected from the group consisting of dyes, pigments and modifying additives and specified polyesters derived from an alkylene dicarboxylic acid and diethylene glycol. A process for manufacturing the shaped polyamide article includes the steps of: compounding a molten ...

A sheet, ribbon or web material comprising a support made of a synthetic resin or a paper support coated with a layer of said resin, wherein a resin surface of said support is coated with a subbing layer and the subbing layer itself is coated with a hydrophilic colloid image-receiving layer containing development nuclei for silver image formation by DTR-processing, characterized in that the synthe...

A composite useful for structural components comprised of recycled high density polyethylene and herbaceous fibrous materials and a method to produce composites based on recycled high density polyethylene and chopped herbaceous fibers. An alternative structural composite is disclosed which is comprised of recycled low density polyethylene and chopped herbaceous fibrous material.

Film-forming coating composition for application to a polypropylene substrate, which comprises a polypropylene-adherable polymer P which has a polymer backbone having pendant and/or terminal groups which comprise a moiety of formulae where n is 2 to 500; R<1> is alkyl of 1 to 3 carbon atoms, R<2> is H or an alkyl or alkenyl group of 1 to 3 carbons, and X is H or halogen and Y is H or haloge...