In the inversion process for preparing paper size from fortified rosin wherein a water-soluble dispersing agent including an ethylene oxide sulphate group is used to provide a stable aqueous dispersion of fortified rosin; and an invert size produced by such a process.

1528934 Battery cases COMPAGNIE EUROPEENNE D'ACCUMULATEURS 30 Oct 1975 [19 Nov 1974 1 July 1975] 45075/75 Heading H1B The plates of a battery are held in position by horizontal members 18 which are thermowelded to the case 1 or partitions in the case together with the cover 10. The members may be of T, or angle section, and they may extend across the battery in either direction (Figs. 2 to 5) in w...

Cycloalkanones and cycloalkanols can be prepared by conversion of cycloalkylhydroperoxides in solution in a suitable solvent, under the influence of a solid catalyst, Solution and catalyst form a heterogeneous system. For this purpose, a number of catalysts have been proposed, but the known processes have serious draw backs with respect to efficiency of the process, catalyst cost and/or alcohol to...

PURPOSE:To reduce the height of a battery jar and to discharge the chemical conversion liquid and cleaning water completely by providing a hollow lug constituted with a cylinder section cut and welded after the chemical conversion is finished and a bell-shaped section pushed into the battery jar after washing and drying at the outside of the battery jar bottom. CONSTITUTION:A lead storage battery ...

The invention relates to a computer tomography apparatus for determining the absorption distribution in a relevant zone of a body, this zone being irradiated by unattenuated radiation, while the part of the body which is situated outside this zone is irradiated at the most by attenuated radiation. The radiation outside the relevant zone is attenuated in accordance with the invention by means of ab...

PROCEDE PREPARATOIRE DE L'ETHYLENE-GLYCOL A PARTIR D'UNE SOLUTION AQUEUSE D'OXYDE D'ETHYLENE, PAR EXTRACTION PAR DU DIOXYDE DE CARBONE ET HYDROLYSE.

ON EXTRAIT 10 L'OXYDE D'ETHYLENE D'UNE SOLUTION AQUEUSE A L'AIDE DE DIOXYDE DE CARBONE 12 QUASI OU SUPER-CRITIQUE, PUIS ON MET LE MELANGE OXYDE D'ETHYLENECOEAU EN CONTACT AVEC UN CATALYSEUR 22 POUR FORMER 20 DU CARBONE D'ETHYLENE 24 QUI EST H...

METODO PARA BOBINAR MATERIAL EN ESPIRAS SUPERPUESTAS. CONSTA DE UN FRENO DE HILO (1), UNA RUEDA DE MEDICION (11), UN GUIA-HILO (12) Y UNA BOBINA (13) QUE GIRA A GRAN VELOCIDAD. UN TRANSDUCTOR (14) MIDE LA VELOCIDAD DE LA RUEDA DE MEDICION (11) DETECTANDO EL PASO DE UN IMAN (15) Y ANALOGAMENTE EL TRANSDUCTOR (16) DETECTA UN IMAN (17) MIDIENDO LA BOBINA (13). LAS SEÑALES OBTENIDAS PASAN A UNOS REGIS...

PROCEDIMIENTOS PARA EMPALMAR HILOS, SEAN TEXTILES O DE OTRA CLASE, CON UN EMPALME HECHO POR ACOPLAMIENTO DE DOS HILOS AISLADOS DESTORCIDOS (A) Y VUELTOS A TORCER DESPUES. LOS HILOS AISLADOS (A) SON DESTORCIDOS (B) MAS ALLA DE UN VALOR DE TORCEDURA SUSTANCIALMENTE CERO Y LUEGO SON ACOPLADOS (C) Y VUELTOS A TORCER CON EL FIN DE IMPARTIR A LOS HILOS AISLADOS (A) UNA TORCEDURA DESEADA (D), POR LO MENO...

APROVECHAMIENTO DE LA ENERGIA EOLICA DEL AIRE QUE UN VEHICULO INTERCEPTA EN SU MARCHA, DE ESPECIAL APLICACION EN AUTOMOVILES ELECTRICOS. A LA PARTE DELANTERA DEL AUTOMOVIL SE LA PROPORCIONA UNA CONFIGURACION TAL QUE FORMA UN EMBUDO CON SU PARTE ANCHA ORIENTADA HACIA EL FRENTE DEL VEHICULO PARA RECOGER EL AIRE INTERCEPTADO, COMPRIMIRLO AL AVANZAR POR EL EMBUDO Y CONDUCIRLO A UNA SERIE DE TURBINAS Q...

A machine for unwinding yarn from a hank comprises a base (10) for securing a swift (12) non-rotatably, and an axle (14) rotatable in a hub of the swift (12) and in a hole 15 continuing through the base (10). A rotary sweep arm (20) passes through the axle (14) and is attached therein. An eyelet (22) is connected to a lower end of the arm (20) for movement around the the swift (12) in a plane tran...

The accumulator comprises a hermetically sealed receiver with insulating walls, housing a set of flexible sheet-type metallised electrodes formed by a support surface of insulating material with amalgam-based deposition of a hydrocarbon-group polymers layer. - The assembly is finally immersed in alkali perchlorate electrolyte introduced together with organic solvent into the receiver.

A sofa bed frame has a storage area in the bottom below the front board which receives the folded sections of the bed unit when containing a mattress which is folded within the sections. A rear TV section is pivoted to a rear bottom section which is pivoted to a vertical intermediate section which has a front top section pivoted thereto. When the four sections are open, they extend above the front...

A device for measuring of the concentration of a low molecular weight compound in a complex medium, comprising a dialyzer (1), and enzyme reactor (2) and a measuring unit (3) in communication with each other through a channel system. The channel system is composed of grooves which are arranged on one side of a base plate (18) and which are covered by one or more plates (16, 17) stacked over ech ot...

A device for measuring of the concentration of a low molecular weight compound in a complex medium, comprising a dialyzer (1), and enzyme reactor (2) and a measuring unit (3) in communication with each other through a channel system. The channel system is composed of grooves which are arranged on one side of a base plate (18) and which are covered by one or more plates (16, 17) stacked over ech ot...

A device for measuring of the concentration of a low molecular weight compound in a complex medium, which comprises a dialyzer (1), an enzyme rector (2) and a measuring unit (3) in communication with each other through a channel system. Furthermore, the device comprises a valving means (a), which is adapted to alternatingly direct the complex medium and the calibration solution, respectively,...

A device for measuring of the concentration of a low molecular weight compound in a complex medium, which comprises a dialyzer (1), an enzyme rector (2) and a measuring unit (3) in communication with each other through a channel system. Furthermore, the device comprises a valving means (a), which is adapted to alternatingly direct the complex medium and the calibration solution, respectively,...

A process is provided for mechanically surface-finishing a textile fabric which comprises ccontinuously feeding said fabric from a source of supply, such that said fabric lies in a single plane, subjecting successive adjacent sections of the fabric to intermittent mechanical impact with an abrasive means across the width of said fabric thereby avoiding substantial sustained contact between the fab...