A tire forming drum provided with two half drums axially mobile relative to each other and arranged to support on their outer periphery tubular plies of a carcass to be formed, each half drum being arranged to produce automatic folding of the relative end of said tubular plies about a respective annular bead by means of a respective multiple air chamber element rigid at one end with an outer flang...

This invention relates to a procedure for splicing yarns, whether textile or otherwise, with a join made by coupling two single untwisted yarns and thereafter retwisting them, wherein the single yarns are untwisted beyond a substantially nil twist value and are then coupled and retwisted so as to impart to the single yarns a desired twist at least the same as the twist comprised in the original ya...

GENERADOR ELECTROQUIRURGICO PARA REALIZAR OPERACIONES QUIRURGICAS MEDIANTE CORRIENTES DE RADIOFRECUENCIA. EL GENERADOR UTILIZA CIRCUITERIA DE ESTADO SOLIDO PARA PRODUCIR EL ALTO VOLTAJE NECESARIO PARA LA FULGURACION. DICHA CIRCUITERIA MEJORA LA FORMACION DE ARCO INICIAL PRODUCIENDO UNA FORMA DE ONDA DE CIRCUITO ABIERTO, ANTES DE LA FORMACION DEL ARCO, SOBRE EL ELECTRODO ACTIVO, PRACTICAMENTE SINUS...

Improved coatings on polycarbonate are formed by polymerizing a mixture containing (1) an oligomer or a reactive resin having a molecular weight between 400 and 4,000 and containing at least two acrylic groups per molecule, and (2) an N-vinyl derivative of straight-chain or cyclic secondary amide, the polymerization being carried out in the presence of a photoinitiator.

A non-volatile, acid acceptor which is soluble in polyolefins is added to a film grade polyolefin resin composition to prevent gel streaking/pinstriping or corrosion during film extrusion processes. The acid acceptor has a molecular weight greater than 180 with less than 5% by weight volatiles at 180 DEG C as measured by a thermal evolution analysis.

A non-volatile, acid acceptor which is soluble in polyolefins is added to a film grade polyolefin resin composition to prevent gel streaking/pinstriping or corrosion during film extrusion processes. The acid acceptor has a molecular weight greater than 180 with less than 5% by weight volatiles at 180 DEG C as measured by a thermal evolution analysis.

A process of preparing shaped products starting from dispersions which contain at least one coagulable, amphoteric high molecular substance by passing the dispersion through an extruder into a coagulation bath which may be provided with electrodes whereby the coagulation is effected by a change in pH such that the isoelectric point of the substance is passed and care is taken that the dispersion c...

A residual fuel oil composition comprises a residual fuel oil, preferably at No. 6 fuel oil, having dissolved therein an effective total amount of at least one zirconium salt of (i) an alcohol, or (ii) a phenol, each having a C2 to C24 hydrocarbyl group, or (iii) of a hydrocarbyl sulfonic acid such that the salt has a mol. wt of 100 to 2500, or of any mixture thereof; said effective total amount o...

MAQUINA CABLEADORA PARA EL CABLEADO SIMETRICO DE AL MENOS DOS ALAMBRES. CONSTA DE UN PRIMER ALMACEN DE ALAMBRE (10) DISPUESTO ALREDEDOR DE UN EJE DE ROTACION (38) Y DENTRO DE LA TRAYECTORIA DE ROTACION DE LOS BRAZOS (32, 33). UN PRIMER ALAMBRE (26 ) ES CONDUCIDO HACIA ABAJO A TRAVES DE RODILLOS DE CONTROL (27, 28, 48) Y MANGUITO DE ACCIONAMIENTO (36) HASTA LA GUIA DE ALAMBRE DE UN PRIMER BRAZO (32...

1. A process for the treatment of acid waste water containing aluminum and iron, wherein (a) the acid waste containing small amounts of colloidal silicic acid is heated to just below boiling point so as to precipitate aluminum hydroxide and hydrated iron (III) oxide and is neutralized with calcium oxide and/or calcium hydroxide ; (b) the resultant aluminum hydroxide iron (III) hydroxide precipitat...

A self-propelling device for burying and digging up subsea conduits laid on beds of an incoherent material. The device has: disintegrating members using high pressure water jets to create a slurry of material, digging members having suction members which draw the suspension prepared by the disintegrating members, thus leaving a trench behind, and displacement members for moving the device on the s...

PROCEDIMIENTO PARA OBTENER UNA COMPOSICION DENTAL FLUIDA DE CURADO CON LUZ VISIBLE. LA COMPOSICION COMPRENDE AL MENOS UN MATERIAL POLIMERIZABLE ETILENICAMENTE INSATURADO, DE 40 A 90% EN PESO DE LA COMPOSICION DE AL MENOS UNA CARGA PARTICULADA Y UN CATALIZADOR QUE COMPRENDE AL MENOS UNA CETONA QUE TIENE ACCION CATALITICA FOTOSENSIBLE ELEGIDA ENTRE FLUORERONA Y ALFA-DICETONAS Y SUS DERIVADOS Y AL ME...

INSTALACION DE VIGILANCIA PARA LA DETECCION DE PESOS. CONSTA DE UNA REJILLA CONDUCTORA ESTRATIFICADA CON UNA CAPA DE MATERIAL DIELECTRICO FORMANDO UN CONDENSADOR, CONECTADO MEDIANTE UN CABLE A UN CONTROL ELECTRONICO QUE COMPRENDE UN OSCILADOR (30), UN ACOPLADOR HIBRIDO (31) QUE ALIMENTA A UNA ANTENA A TRAVES DE UN FILTRO DE BLOQUEO DE BAJA FRECUENCIA (32) Y OTRO PASABANDA (33), UN PROCESADOR DE SE...

Conductor composition comprising an admixture of finely divided particles of (a) conductive metal, (b) inorganic binder and (c) a colorant which is a mixture of silver oxide and/or copper oxide or precursor thereof and B2O3.

An earthmoving machine primarily for land drainage and irrigation purposes has a pivotally mounted boom (8) carrying an arm (12) pivoted at one end to one end of the boom and having a bucket (14) or the like attached at its other end. At the end of the arm which is pivoted on the boom a quadrant (20) is formed around which passes a pendant cable (18) attached to a counterweight (22) which is slida...

An apparatus for effecting the lubrication of expansible chamber devices of the type having a cylinder with a piston reciprocating therein and having fluid flowing in and out of the chamber. The invention is particularly suitable for free piston Stirling engines and pumps. A torque force is applied to the piston causing it to spin sufficiently to entrain and drag along its outer surface some of th...

Water containing refractories which inhibit or eliminate the tendency of explosive spalling are provided by mixing solid organic fibers into the refractory mix. The refractory mix may be used in castables, plastics, ramming or gunning mixes or mortars.

A fuel injection pumping apparatus for supplying fuel to an internal combustion engine, includes an injection pump having a plunger movable inwardly by cam means to effect delivery of fuel and a valve operable to control the supply of fuel to the bore containing the plunger. The valve is electrically controlled and the apparatus includes an electronic control system which is supplied with signals ...