A split tire mold having a tread ring in which provision is made for venting air circumferentially across the inner surface of the tread ring so that the air escapes from the parting line of the mold halves, dispenses with widely used, conventional, radially protruding vent stubs. The air is vented through "butterfly-shaped" or "double-wedge-shaped" arch-vents which provide passage for trapped air...

PROCEDIMIENTO Y MAQUINA PARA BOBINAR HILO TEXTIL. EL PROCEDIMIENTO SE CARACTERIZA EN: -DESPLAZAR ANGULARMENTE EL DISPOSITIVO ALIMENTADOR (1), ANTES Y DESPUES DE LA RECOGIDA DE UN NUEVO CARRETE (2), PARA PERMITIR LA SALIDA DEL CARRETE (2), Y -COLOCAR EL HILO (27) EN EL CARRETE (2), ACOMPAÑANDOLO DESDE LA ZONA DE CORTE HASTA LA PARTE ANTERIOR DEL CARRETE (2). LA MAQUINA SE CARACTERIZA EN QUE EL DISP...

SOPORTE PARA SEDA DENTAL, QUE TIENE FORMA DE CAJA CON UN CAJON EN ELLA. EL FNDO DEL CAJON INCLUYE UN CUBO EN FORMA DE MUELLE PARA EMPUJAR UNA BOBINA MONTADA SOBRE EL, DE MANERA QUE LA BOBINA ARRASTRA CON UNA FUERZA DETERMINADA PREVIAMENTE SOBRE UN LADO OPUESTO DE LA CAJA, MANTENIENDO LA TENSION EN LA SEDA. EL RESULTADO ES QUE LA BOBINA NO SE DESBOBINA DENTRO DEL SOPORTE, EVITANDO UNA SEDA ENREDADA...

A device for membrane separation by filtering or distillation comprises at least two plates (10, 101, 102, 103, 201, 202) arrangedin a stack and membranes (13, 130, 150, 230, 250) arranged between the plates. Together with the membrane arranged between the plates, the recesses (11) provided in the plates form spaces (14a, 14b, 14c) included in a separation cell. The separation cell comprises at le...

A device for membrane separation by filtering or distillation comprises at least two plates (10, 101, 102, 103, 201, 202) arrangedin a stack and membranes (13, 130, 150, 230, 250) arranged between the plates. Together with the membrane arranged between the plates, the recesses (11) provided in the plates form spaces (14a, 14b, 14c) included in a separation cell. The separation cell comprises at le...

A snap hinge closure connects two parts, such as, for example, a lower and an upper part of a closure. Both parts have casing walls which, in the closed position of the hinge, match vertically above one another. On both sides of the film hinge, tension bands are positioned, which, in the closed position, are tensed. The tension bands are held, with their ends, in recesses (11) in the casing walls,...

A composite material which includes a polyester resin as a matrix and comminuted expanded polyurethane, dispersed within the matrix. The composite material includes at least one fibrous re-inforcing material dispersed within the matrix. The fibrous material may be selected from the group consisting in glass fibres, carbon fibres, polyamide fibres, cotton fibres and/or wool fibres. The composite ma...

What is described herein is a liquid U.V. stabilizer composition and process for effectively surface modifying a PVC resinous body to provide a stabilizing amount of U.V. stabilizer within the surface region of the body within a predetermined solution contact time without leaving an appreciable amount of solvent therein or stabilizer on the surface of the body, and without affecting the surface ap...

The compounds of the formula Ret-OA     I in which Ret is the acyl radical of a retinoid carboxylic acid, A is a radical (-CHR-CH2O)nR<1>, (-CH2)mSR<1>, (-CH2)mXR<2>, (-CH2)m-Het, -N(R<2>)2, -C(R<4>)2OC(O)R<3>, -CH2-CH(OR<2>)-CH2OR<2> or -CH(CH2OR<2>)2; R is hydrogen or methyl, R<1> is hydrogen, C1-6-alkyl or C1-6-alkanoyl, R<2> is C1-6-alkyl, R<3> is C1-6-alkyl, C1-6-alkoxy, di-C1-6-alkyla...

BOBINA DE ENCENDIDO MULTIPLE, EN PARTICULAR PARA MOTOR DE COMBUSTION INTERNA PARA VEHICULO AUTOMOVIL. COMPORTA ESPECIALMENTE DOS CONJUNTOS MAGNETICOS (M1, M2) CADA UNO DE LOS CUALES COMPRENDE UN CONJUNTO PRIMARIO (P) Y UN CONJUNTO SECUNDARIO (S), Y MEDIOS DE ENSAMBLE DE LOS DOS CONJUNTOS MAGNETICOS (M1, M2) ANTES DE SU INTRODUCCION EN LA CAJA (8), FORMADOS DE UNA PIEZA CON CADA UNO DE LOS DOS PORT...

Improvement in terms of a redn. in emission of carbon particles in the smoke, comprises the addn. of effluent wash water from oil or vegetable mills in finely-emulsified form before addn. of other suitable additives. The same wash waters can also be used instead of normal water in fuel mixts. of water and powdered coal.*** -; METODO Y ADITIVO PARA MEJORAR LA COMBUSTION DE MATERIALES COMBUSTIBLES, ...

Sodium aluminosilicates (SAMS) are produced by silicate/clay reactions under hydrothermal conditions, the SAMS being characterized by low oil absorption values and high total pore volumes. The SAMS products are useful as coating pigments for paper, paper fillers and paint pigments.

Thermoplastic materials are separated and recovered, according to the present invention, utilizing a process wherein a mixture of the thermoplastic material to be recovered and one or more contaminants are simultaneously heated and agitated. The mixture is heated to the temperature at which the thermoplastic will adhere to itself, but at which the contaminant has not become tacky. Impacting therm...

Compounds of the formula I wherein R1 is halogen, C1-4 -alkyl or halo-(C1-4- alkyl), R2 is hydrogen, hydroxy or acyloxy, R3 and R4 each are hydrogen or C1-4-alkyl, R5 is aryl or aryloxy, X is O or NH and Y is -CO-CH2-, -CH(OH)-CH2-, -CH2-CH2-, -S-, -SO- or -SO2-, and tautomers thereof are described. Compounds of formula I and their tautomers possess antiviral activity and can be used ...

In accordance with the present invention an orally active monosulfactam antibiotics having a crystalline structure and thereby improved stability are disclosed. The antibiotics comprise the dierythromycin (M(+)=erythromycin.H(+)) salt or the dicholine (M(+)=HOCH2CH2N(+)(CH3)3) salt of the acid (M(+)=H(+)) having the formula that is, [3S(Z)]-2[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-...

Compounds with acaricidal, insecticidal and anthelmintic activities have the formula: wherein: -X-Y- is -CH2-CH2-, -CH2-CHOH-, -CH=CH-, or -CH2-C(=O)-; R<1> is a methyl group, an ethyl group, an isopropyl group, a sec-butyl group or a group of formula -C(CH3)=CHR<5> in which R<5> is a methyl group, an ethyl group or an isopropyl group; R<2> represents a group of formula -(CH2)n-C...

This invention relates to novel derivatives of N-acetyl-3-fluoro-neurminic acid derivatives (I) and preparation thereof. The compound (I) can be synthesized by reacting a solution of alkyl 5-acetamido-2,6-anhydro-4,7,8,9-tetra-O-acetyl-2,3,5-trideoxy-D-glycer o-D-galact o-2-enonate with (i) an inert gas containing fluorine or (ii) acetylhypofluorite obtained by passing the inert gas containing flu...

An improved ophthalmic lens (50) is disclosed which has a plurality of alternating power zones with a continuously varying power within each zone, as well as in transition from one zone to another. In other words, a plurality of concentric zones (at least two) are provided in which the variation from far to near vision correction is continuous, i.e., from near correction focal power (60) to far co...

A CEA immunoassay includes a step for inactivation of interfering human antibodies against non-human immunoglobulin, wherein a buffered serum or plasma sample at about pH 5.0 is heated at about 90 DEG C. for about 15 minutes prior to sandwich assay using capture and probe monoclonals that bind to heat-stable CEA epitopes.

LA INVENCION TIENE POR OBJETO UN ELECTROCARDIOGRAFO, ESPECIAL, AUNQUE NO NECESARIAMENTE, PROYECTADO PARA SER MANEJADO POR LA PROPIA PERSONA SOMETIDA A EXAMEN FUNCIONANDO MEDIANTE LA INTRODUCCION DE UNAS MONEDAS DE VALOR PREESTABLECIDO, QUE BASICAMENTE COMPRENDE UN ASIENTO (3), DISPUESTO PARA SER OCUPADO, EN LA POSICION NORMAL, POR AQUELLA PERSONA, Y CUATRO ELECTRODOS FIJOS (6-6''-7-7'') DISPUESTOS...