baber/WOPTO huggingface dataset:
Patent ES-2046126-B1 (ES)
Title: Procedimiento de retostacion para la recuperacion hidrometalurgica de metales no ferreos en cenizas de pirita.
Inventor: ROMERO ALETA RAFAEL
IPC: C22B1/06
Filed: 1992-06-11
Granted: 1994-09-01
Abstract: PROCEDIMIENTO DE RETOSTACION PARA LA RECUPERACION HIDROMETALURGICA DE METALES NO FERROS EN CENIZAS DE PIRITA. PROCEDIMIENTO DE RETOSTACION PARA LA RECUPERACION DE METALES NO FERREOS EN CENIZAS DE PIRITA QUE COMPRENDE: A) RETOSTACION PREVIA DE LAS CENIZAS DE PIRITA; B) LIXIVIACION ACIDA DE DICHAS CENIZAS RETOSTADAS, EN CUYO LICOR SE RECUPERAN CU Y ZN; C) LAVADO DEL RESIDUO LIXIVIADO CON AGUA; D) PREAIREACION DE DICHO RESIDUO LAVADO; E) CIANURACION DEL RESIDUO PREAIREADO PARA RECUPERAR EL AU Y LA AG. EN EL PASO DE RETOSTACION PREVIA DE LAS CENIZAS DE PIRITA TIENE LUGAR, POR ETAPAS CONSECUTIVAS O SIMULTANEAS, EL CALENTAMIENTO INICIAL DE LAS CENIZAS, LA COMBUSTION DE OXIDOS Y FERRITOS PRESENTES EN LAS MISMAS. CON ESTE PROCEDIMIENTO SE CONSIGUEN ELEVADOS RENDIMIENTOS DE EXTRACCION DE CU, ZN, AG Y AU CON MUY BAJOS CONSUMOS REACTIVOS.
Patent ES-2058027-B1 (ES)
Title: Perfeccionamientos en el objeto de la patente 9102594 por procedimiento de obtencion de compuestos derivados de piridina.
Inventor: PALOMO COLL ALBERTO
IPC: C07D213/68
Filed: 1993-02-09
Granted: 1995-05-16
Abstract: PERFECCIONAMIENTOS EN EL OBJETO DE LA PATENTE 9102594, POR PROCEDIMIENTO DE OBTENCION DE COMPUESTOS DERIVADOS DE PIRIDINA; EN ESTOS SE OBTIENE UN COMPUESTO DE FORMULA I O IA OJO FORMULA (RBS2 SC Y RBS3 SC = H, CHSI3 SC O CHSI2 SCOH; Y RBS4 SC = 2,2,2-TRIFLUOROETIL, ETIL, ISOPROPIL O 3-METOXI-PROPILO), MEDIANTE LA REACCION DE UN COMPUESTO DE FORMULA II O IIA OJO FORMULA CON UN COMPUESTO [D-(ORBS4 SC)SIC SC] - + [M] (D ES UN ELEMENTO DE VALENCIA VARIABLE; M + ES UN ACIDO DE LEWIS O UNA BASE ORGANICA PROTONADA O UN DERIVADO DE SILICIO; A Y B, SON 0 O UN NUMERO ENTERO, CON EXCLUSION DEL CASO A = B = 0; Y C ES UN NUMERO ENTERO. LOS COMPUESTOS OBTENIDOS SON DE UTILIDAD EN LA FORMACION DE FARMACOS ANTIULCEROSOS.
Patent ES-2088359-B1 (ES)
Title: Procedimiento para la obtencion de mangueras de multiples capas.
Inventor: BANUELOS PALACIOS LUIS
IPC: B32B1/08
Filed: 1994-04-19
Granted: 1997-02-01
Abstract: PROCEDIMIENTO PARA LA OBTENCION DE MANGUERAS DE MULTIPLES CAPAS. CONSISTE EN SOMETER A UNA MANGUERA MULTICAPA A UN NUMERO OPCIONAL DE BAÑOS SUCESIVOS (8) DE MATERIALES TERMOPLASTICOS O ELASTOMEROS A LA TEMPERATURA ADECUADA, REALIZANDO DESPUES DE CADA BAÑO UN PROCESO DE SECADO HASTA CONSEGUIR LA SOLIDIFICACION DE UN NUMERO OPCIONAL DE CAPAS (11) QUE CONFIGURAN UNA MANGUERA MULTICAPA (12).
Patent ES-2127079-B1 (ES)
Title: Instalacion para cocinar alimentos de forma continua.
Inventor: SEGURA CASTANO JUAN ANTONIO
IPC: A23L7/196
Filed: 1995-10-16
Granted: 1999-12-01
Abstract: Instalación para cocinar alimentos de forma continua; que comprende: un depósito o tolva de un producto sólido, tal como, arroz, un depósito de salsa y un depósito de aceite, conduciéndose el contenido de estos depósitos a una zona mezcladora de la que el producto de mezcla y se transporta al extremo del interior de una envolvente en la que va dispuesto en sentido axial un sinfín cuyo eje tubular es accionado por un motor-reductor calentándose el producto de mezcla por vapor a 150ºC y durante toda la longitud de la envolvente de la que sale el producto precocinado hacia una mesa vibradora dotada de una superficie perforada por cuyos orificios pasa el aceite sobrante de la cocción que se recoge en un depósito apropiado. El producto pasa a un túnel de frío por medio de una cinta transportadora en el cual el producto se enfría a la temperatura de 50ºC, pasándose a continuación el producto a una zona de pesaje, y envasado al vacío.
Patent ES-2114828-B1 (ES)
Title: Perfeccionamientos en los sistemas de distribucion de sonido.
Inventor: GARCIA ANADON ANDRES
IPC: H04M11/00
Filed: 1996-10-18
Granted: 1999-02-16
Abstract: PERFECCIONAMIENTOS EN LOS SISTEMAS DE DISTRIBUCION DE SONIDO. LOS PERFECCIONAMIENTOS EN LOS SISTEMAS DE DISTRIBUCION DE SONIDO OBJETO DE LA INVENCION, CUYA FINALIDAD ES INCREMENTAR LAS PRESTACIONES QUE OFRECEN TALES SISTEMAS A OPERACIONES RUTINARIAS DE USO FRECUENTE, SE BASAN EN LA INCORPORACION DE UN CANAL DIGITAL DE COMUNICACIONES (L1) QUE PARTICIPA DE UN MODULO DE CONTROL DE ZONA (2), UN MODULO DE INTERCOMUNICACION Y SEGURIDAD (3) Y UN MODULO CENTRAL DE SEGURIDAD (4), CON LA CONSIGUIENTE ELIMINACION DE LOS CABLES DE CONTROL INDIVIDUAL DE LAS ZONAS DE INTERCOMUNICACION, CON LA POSIBILIDAD DE AMPLIAR EL SISTEMA AÑADIENDO NUEVOS MODULOS DE CONTROL DE ZONA (2) SIN LA NECESIDAD DE INSTALAR NUEVOS CABLES, LO QUE EN LOS ANTERIORES SISTEMAS DE DISTRIBUCION DE SONIDO ERA NECESARIO. DICHA CARACTERISTICA PERMITIRA EN EL FUTURO AMPLIAR EL SISTEMA CON NUEVAS PRESTACIONES SIN NECESIDAD DE DEFINIR NUEVOS CABLES DE CONTROL ESPECIFICOS PARA CADA FUNCION, LO QUE OTORGA AL USUARIO UNA FACIL AMPLIACION DE SU INSTALACION.
Patent ES-2147092-B1 (ES)
Title: Perfeccionamiento de patente numero "p9301622" modelo y sistema de bloque prefabricado para construccion tal que no es necesario usar ningun tipo de mortero o pegamento en las juntas para unirlos entre si.
IPC: E04C1/39
Filed: 1997-08-20
Granted: 2001-04-16
Abstract: Perfeccionamiento de patente número P9301622 modelo y sistema de bloque prefabricado para construcción tal que no es necesario usar ningún tipo de mortero o pegamento en las juntas para unirlos entre sí. Comprende un cuerpo que puede tener formas muy diversas con tres partes Caras de nervios (1) que ajustan con las Caras de nervios de los elementos adyacentes anterior y posterior de la misma fila Tacones macho (2) que ajustan en los Tacones hembra de los elementos de la fila anterior y columnas adyacentes Tacones hembra (3) en los cuales ajustan los Tacones macho de los elementos de la fila posterior y columnas adyacentes consiguiendo por medio de las Caras de nervios el arriostramiento entre sí de los elementos de la misma fila y por medio de los Tacones el arriostramiento entre sí de los elementos de las columnas adyacentes. Su aplicación es la construcción en general.
Patent ES-2154119-B1 (ES)
Title: Dispositivo de mando de la carrera, en especial para maquinas de fabricar generos de punto por urdimbre.
Inventor: MISTA KRESIMIR
IPC: D04B27/32
Filed: 1997-12-19
Granted: 2001-10-16
Abstract: "Dispositivo de mando de la carrera, en especial para máquinas de fabricar géneros de punto por urdimbre". Un dispositivo de mando de la carrera (1) para influir sobre diversos hilos de un haz de hilos, en especial para máquinas de fabricar géneros de punto por urdimbre, tiene elementos de arrastre (20) que pueden ser dirigidos por medio de cambiadores de plegado (19) piezoeléctricos. Los elementos de arrastre (20) están situados en dirección transversal junto a los cambiadores de plegado (19), están apoyados en un extremo en una pieza de construcción resistente para apoyo (segmento 25) y llevan en su otro extremo un tope de arrastre (37), con el que en una primera posición es arrastrado un elemento de carrera (21) y en una segunda posición por el contrario se deja el elemento de carrera sin influir sobre él. De este modo, se obtiene un sistema de funcionamiento seguro para el mando de la carrera.
Patent ES-2171337-B1 (ES)
Title: Olla expres con bloqueo del cierre de la tapa.
Inventor: BARRENA ELORZA JOSEBA
IPC: A47J27/08
Filed: 1998-11-13
Granted: 2003-06-16
Abstract: La olla exprés con bloqueo del cierre de la tapa (2) sobre el recipiente (1), tiene un sistema (3) de bloqueo que comprende un aro (4) elástico de bloqueo alojado en el hueco (2b) de la tapa y que abraza el cerco (1a) del recipiente, un gatillo (5), y un mecanismo (7) de transmisión desde el gatillo (5) al aro (4), el cual tiene una abertura (4a) divisoria, y su sección es plana e inclinada. El mecanismo (7) de transmisión está alojado en el interior del asa (6) de la tapa, y tiene un miembro (15) articulado al gatillo (5) y conectado a los extremos del aro (4) para la expansión de este último, a través de una cremallera (15a).
Patent ES-2164526-B1 (ES)
Title: Material compuesto para cojinetes autolubricantes de altas prestaciones y cojinete obtenido con el mismo.
Inventor: PENAFIEL VERCHER JESUS
IPC: C22C29/08
Filed: 1999-04-23
Granted: 2003-10-16
Abstract: Material compuesto para cojinetes autolubricantes de altas prestaciones y cojinete obtenido con el mismo. Este material tiene una matriz obtenida a partir de una mezcla de polvos metálicos compactada y sinterizada, comprendiendo un polvo con base de hierro o acero, uno o varios polvos de componentes aleantes, un lubricante de prensado y un lubricante sólido que es un sulfuro metálico térmicamente estable a las temperaturas de sinterización, participando en un 0,5% a un 15%, en peso, según las características mecánicas y tribológicas deseadas, no alcanzando la resistencia a la tracción del material un valor 6 veces inferior al esperado sin dicho lubricante sólido, operando bajo unas presiones de compactación de 200 a 1.000 MPa, con un agente ligante de todos los componentes y siendo la porosidad del material de un 1 a un 25% en volumen e impregnada con un lubricante mineral o sintético, tal como un aceite especial con aditivos de extrema presión y espesantes.
Patent FR-2813134-B1 (FR)
Inventor: GRIMAL JEAN MICHEL
IPC: G07D7/1205
Filed: 2000-08-21
Granted: 2004-01-16
Abstract: The note has luminescent substances, where each substance emits a light along a determined response frequency spectrum when the substance is exposed to excitation light ray i.e. laser ray. The frequency spectrum is composed of lines. The substances have same dopant ion e.g. neodymium, in different crystalline host matrices e.g. yttrium lithium fluoride and yttrium aluminum garnet type matrices, so that the response lines on the different matrices are moved from a width greater than thinness of the lines when the note is exposed to the excitation light ray. An independent claim is also included for a method for authenticating a bank note.
Patent FR-2817163-B1 (FR)
Inventor: FARCOT DAVID
IPC: A63C10/18
Filed: 2000-11-24
Granted: 2003-02-21
Abstract: An assembly for retaining a boot on a sports apparatus. The assembly includes a base, a disk having at least two elongated holes parallel to one another, and at least two screws each extending through an elongated hole. The assembly further includes a plate that is parallel to the disk, the plate sliding along the length of the elongated holes, at least two holes extending through the plate in its thickness, each screw extending through a hole of the plate, and retaining elements retaining the screws on the plate.
Patent FR-2833186-B1 (FR)
Inventor: BAVOUZET BRUNO
IPC: C09K23/52
Filed: 2001-12-12
Granted: 2004-01-23
Abstract: The invention concerns the use to assist in deposition of an emulsion on a surface, of at least a block copolymer comprising at least a non-ionic hydrophobic block and at least a cationic block in conditions of use of said emulsion.
Patent FR-2838435-B1 (FR)
Inventor: TEISSIER REMY
IPC: C11D7/50
Filed: 2002-04-12
Granted: 2004-06-18
Abstract: Composition for cleaning and/or degreasing metal parts comprises a mixture of alkyl polylactyl lactates (I). Composition comprising a mixture of alkyl polylactyl lactates of formula (I) is new: CH3CH(OH)((C(O)OCH(CH))n-1CO2R  (I)  R  =  1-4C alkyl n  =  2-4
Patent FR-2843399-B1 (FR)
Inventor: BALLAND LONGEAU ALEXIA
IPC: H01M8/10
Filed: 2002-08-06
Granted: 2004-09-03
Abstract: Polymers with phenylene units, at least one of which has a lateral phenylene group substituted with a group or perfluorinated chain carrying a sulfonic acid, phosphonic acid or carboxylic acid group.  Polymers with phenylene units of formula (I) and (II), where at least one of which has a lateral phenylene group substituted with a group or perfluorinated chain carrying a sulfonic acid, phosphonic acid or carboxylic acid group. R1, R2, R3  =  H, halogen, alkyl, aryl, perfluoroalkyl or perfluoroaryl;  E  =  a single bond, -CO-, -P(O)- or -SO2-;  W1  =  arylene or perfluoroarylene;  A  =  -O-, -S-, -NH- or -NR9-;  R9  =  alkyl;  W2  =  aryl (substituted with F, -OSO2-aryl or -SO-aryl), or perfluoroaryl;  R4-R8  =  (a) H, halogen, OH, or -M(R10)3, (b) -P(O)(OR11)2, (c) aryl, aryloxy, -SO2-aryl, or alkyl-aryl, perfluoroalkyl or perfluoroalkylaryl (the last three optionally with in-chain O, N and/or S atom(s)), (d) perfluoroaryl or perfluoroaryloxy (optionally substituted with -SO3H, -PO3H2 or -COOH), or (e) an -SO3H, -PO3H2 or -COOH group, with the proviso that at least one of these groups is selected from -SO3H, -PO3H2, -COOH, perfluoroalkyl, perfluoroalkylaryl (optionally with in-chain O, N and/or S), perfluoroaryl and perfluoroaryloxy (optionally substituted as above), and that the acid groups may be in the form of their alkali metal salts; R9, R10  =  alkyl; and M  =  Si, Ge or Sn. Independent claims are also included for the following: (1) Method for the production of these polymers by reacting a base polymer comprising repeat units (II) with compound(s) of formula Ar-A2 (III); (2) Membranes containing sulfonated polymers as above; and (3) Fuel cells containing these membranes.  Ar  =  a phenyl group substituted with groups R4-R8 as above; and A2  =  OH, SH, NH2 or -NHR9, said group being capable of the nucleophilic substitution of a group attached to W2, i.e. F, -OSO2-aryl or -S(O)-aryl.
Patent FR-2847538-B1 (FR)
Inventor: LEBRET PIERRE
IPC: B60T11/236
Filed: 2002-11-22
Granted: 2005-02-25
Abstract: The tandem master cylinder (10) comprises a bore (14) in which axial primary (16) and secondary pistons slide. There are seals (48) in contact with each piston delimiting a rear supply chamber (56) and a front pressure chamber (58). Each piston comprises a drilling emerging in its periphery and in its bore (78) which forms a valve (82) for isolating the front pressure chamber when it clears the seal and thus allows the establishment of a braking pressure. The front pressure chamber of each piston comprises a tubular element (90) which can be disengaged inside the associated piston and which extends axially behind the seal in order to seal the drilling along its reduced travel.
Patent FR-2863357-B1 (FR)
Inventor: MASSONI NOCOLAS
IPC: G01J5/20
Filed: 2003-12-08
Granted: 2006-05-05
Abstract: The device has a support comprising a membrane (10) for absorbing a radiant energy and a layer (11) for supplying electrical signals based on the absorbed radiant energy. A substrate (12) includes upper and lower parts (12a, 12b) situated above and below the membrane. The substrate includes a set of electronic integrated circuits that is connected to conducting studs (13) and processes the electrical signals. An independent claim is also included for MEMS comprising a radiant energy detecting device.
Patent FR-2867394-B1 (FR)
Inventor: BONNELYE VERONIQUE
IPC: B01D69/08
Filed: 2004-03-10
Granted: 2006-12-15
Abstract: Cleaning hollow fiber liquid filtration membranes in a housing between concentrate and permeate compartments comprises emptying the concentrate compartment of liquid and materials in suspension and back-washing the membranes by passing a liquid, e.g. filtered water through them from the permeate compartment into the concentrate compartment, unsticking and removing impurities deposited on the membranes. Cleaning hollow fiber liquid filtration membranes (M) in a housing between concentrate and permeate compartments comprises emptying the concentrate compartment of liquid and materials in suspension and back-washing the membranes by passing a liquid such as filtered water through them from the permeate compartment into the concentrate compartment, unsticking and removing impurities deposited on the membranes. The back-washing is assisted by pulses of the liquid and/or a gas, especially air, the pulses lasting for between 2 and 60 seconds and used at a rate of between 1 and 10 during a back-washing phase. The back-washing liquid can contain an additive such as a disinfectant or oxidation agent, or an acid or base chemical compound.
Patent FR-2871575-B1 (FR)
Inventor: LOPEZ THIERRY
IPC: G01R31/00
Filed: 2004-06-10
Granted: 2006-07-14
Abstract: The invention relates to a method of controlling the operation of at least one electric element (60) which is connected to at least one power (40) and/or control (1) circuit of a motor vehicle, whereby a main application code (110) has been loaded into a memory (11) of a computer (10) controlling another electric element (50). The inventive method is characterised in that it comprises the following steps consisting in: loading data (200) into a temporary memory (12) of the computer (10), initialising the registers of the computer (10), executing an application code (110, 120) and, subsequently, using a means (30) for measuring a current circulating in the power circuit (40) in order to control the operation of the electric element (60). The invention also relates to a device which is used to perform said method, comprising: a permanent memory (11) and a temporary memory (12), such that a main application code (110) is stored in the permanent memory (11), while a secondary application code (120) is stored in the temporary memory (12) of the computer (10).
Patent FR-2893381-B1 (FR)
Inventor: LENOBLE MICHEL
IPC: F41A17/00
Filed: 2005-11-14
Granted: 2008-02-01
Abstract: The device has a safety case (4) connected to a cylinder head sleeve (2) via a screw and having a sensor (6) and an amplifying unit, where the sensor is actuated by a weapon tube (1) of a firearm. The amplifying unit is constituted of an amplifier lever (7) activated by the sensor and a locking latch (8) which is activated by the lever engaged on a transmission shaft (3) in order to transform a rectilinear micro-displacement of the sensor into circular movement of large width.
Patent FR-2887196-B1 (FR)
Inventor: JAMOIS JEAN MARC
IPC: B60R21/213
Filed: 2005-06-15
Granted: 2007-10-05
Abstract: The device has a support part (10) that is formed of a fixation part (12) comprising a vertical wall. The part (10) is fixed on a longitudinal post supporting the roof (6) of a vehicle e.g. car. The part (12) of the part (10) has local deformation parts (28) forming a boss oriented such that an outer side of the wall forming the part (12) is hollowed. The parts (28) are spaced longitudinally for a predetermined distance, so that a turn handle is received and fixed on the part (10). An independent claim is also included for a motor vehicle comprising a turn handle fixation device.
Patent FR-2890918-B1 (FR)
Inventor: MONTAGNE FREDERIC
IPC: B60R7/08
Filed: 2005-09-19
Granted: 2007-12-14
Abstract: The invention concerns an assembly for fixing an element (2) in a motor vehicle passenger compartment, said assembly comprising a rail (3) and a device for removably fixing (4) the element (2), the position of said fixing element being adjustable in longitudinal translation in said rail, said fixing device including means for fixing (8) the element (2), the device (4) including means for stopping (10) the translation of the device (4), said means being mobile in rotation relative to the rail (3) between an adjusting position, wherein the device can move in translation relative to the rail (3), and a stopped position, wherein the device (4) is secured to the rail (3), said device further comprising means for locking (13) the rotation of said stop means when it is in its stopped position.
Patent FR-2907309-B1 (FR)
Inventor: THIOLLAY LIONEL
IPC: H05K5/06
Filed: 2006-10-17
Granted: 2009-03-06
Abstract: Device forming an electric and/or electronic unit which accommodates at least one electronic card, in particular a power card (2), comprising a first element (3) at a first electric potential and at least one second element (4), situated at a distance from the first element, at a second electric potential which differs from the first electric potential, characterized in that means are provided to combat the migration of electrons between the first element and the at least one second element.
Patent FR-2926961-B1 (FR)
Inventor: VINCENT GENOD BRUNO
IPC: A45C5/14
Filed: 2008-01-31
Granted: 2010-08-13
Abstract: The invention relates to a piece of luggage (12) that includes a box (12) with a bottom (14) provided with two spaced casters (18) and a top (16) having an extension in the form of a handle (54) for moving the box in a substantially vertical position. The box (12) comprises a mobile plate (42) having one end (44) connected to the bottom of the box by a hinge mechanism , while the other end (50) is provided with a bearing caster (52), the mobile plate (42) being capable of movement between a stowing position, in which the plate is stowed along a large surface (40) of the box, and a use position in which the plate defines a selected angle with the large surface (40) of the box so that the bearing caster (52) can bear on the ground and define, with the two casters (18) of the box, a three-wheeled bearing for carrying a user standing on the plate and holding the handle (54). The box is provided with a motor.
Patent FR-2934518-B1 (FR)
Inventor: DERRIEN MIKAEL
IPC: B29C49/64
Filed: 2008-07-31
Granted: 2013-04-26
Abstract: Spongy mass (4) suitable for being brought into contact with the end wall of a container for a predetermined time, for treating said end wall of the container. Said mass consists of a soft crosslinked foam having semi-open cells and high resilience, has a main face (14) for contact with the end wall of the container and includes blind grooves (15) which open onto said main face (14), but do not emerge on the opposite side, and that are distributed in two sets of mutually transverse grooves (15a, 15b) that define blocks (16). Application: cooling of the end walls of thermoplastic containers leaving a moulding unit; wiping of the end walls of thermoplastic containers.
Patent FR-2961211-B1 (FR)
Title: Polymeres peignes (meth)acryliques a fonction hydroxy polyalkylene glycol, leur utilisation comme agent rheofluidifiant dans des sauces de couchage et sauces les contenant.
Inventor: DUPONT FRANCOIS
IPC: C08F220/06
Filed: 2010-06-10
Granted: 2012-07-27
Abstract: La présente invention concerne des polymères peignes disposant d'un squelette (méth)acrylique avec des chaînes latérales de type hydroxy polyalkylène glycol, et qui entrent dans la composition de sauces de couchage papetières. Ils conduisent à un maintien de la rétention d'eau et de la viscosité sous bas gradient de cisaillement, et diminuent très sensiblement la viscosité sous contrainte élevée, ce qui permet de contrebalancer le phénomène d'augmentation de la pression de lame, et ce qui autorise des couchages à extrait sec élevé et/ou à haute vitesse de dépose. L'invention concerne aussi les sauces de couchage ainsi formulées, et leur mise en œuvre à la surface d'une feuille de papier.
Patent FR-2974585-B1 (FR)
Inventor: ESPINASSE PHILIPPE FRANCOIS
IPC: E02F5/28
Filed: 2011-04-27
Granted: 2013-06-07
Abstract: The invention relates to a device comprising: an assembly (22) for collecting material on the bed (12) of a body of water (14), a riser (48) for lifting the solid material, and a pump (90) for lifting the solid material collected by the collection assembly (22) in the riser (48) toward the surface facility (26). The device also comprises a separator (42) for generating a stream having a high content of solid material and a stream having a low content of solid material, said separator (42) including a lower outlet (76) for discharging the stream rich in solid material. The device comprises an upstream hose (40) connecting the collection assembly (22) to the separator (42), and an intermediate pipe (44) connecting said or each discharge outlet (76) to the riser (48), the delivery outlet (100) of the pump being tapped into the intermediate pipe (44).