baber/WOPTO huggingface dataset:
Patent FR-2577699-A1 (FR)
Title: Dispositif de saisie et d'affichage pour rectifieuse a commande numerique
Inventor: YONEDA TAKAO
IPC: B24B49/00
Filed: 1986-01-10
Abstract: L'INVENTION CONCERNE UN DISPOSITIF INTERACTIF DE SAISIE ET D'AFFICHAGE. ELLE SE RAPPORTE A UN DISPOSITIF DE SAISIE ET D'AFFICHAGE AUQUEL SONT TRANSMISES DES DONNEES DE CONFIGURATION CONCERNANT DES PARTIES DE PIECE A RECTIFIER WP1, WP2. D'APRES LES DONNEES INTRODUITES, UN ORGANE DE COMMANDE CALCULE LA FORME DES PARTIES INTERMEDIAIRES ET LES AFFICHE SUR L'ECRAN EN POINTILLES AFIN QUE L'OPERATEUR PUISSE VOIR LA TOTALITE DE LA CONFIGURATION DE LA PIECE, SANS POUR AUTANT INTRODUIRE LES DONNEES SUPERFLUES RELATIVES AUX PARTIES QUI NE SONT PAS A USINER. L'ECRAN D'AFFICHAGE PORTE AUSSI AVANTAGEUSEMENT LE PROFIL ET LE LIEU DE DEPLACEMENT DE LA MEULE DE RECTIFICATION. APPLICATION AUX RECTIFIEUSES A COMMANDE NUMERIQUE.
Patent FR-2595347-A1 (FR)
Title: Synthesis of new oligomers for concretes
IPC: C08F2/38
Filed: 1986-03-06
Abstract: Synthesis of new oligomers originating from a reaction between one or a number of water-soluble mercaptans and one or a number of chiefly sulphonic water-soluble monomers which have at least one sulphonic acid functional group or the corresponding sodium salt. Application of these oligomers in hydraulic binders such as cements, plasters, clays, anhydrites and others, as plasticisers.
Patent FR-2595853-A1 (FR)
Title: Structure which can be folded flat, made in a semi-rigid material such as cardboard, for the presentation of information
Inventor: VASSEUR BERNARD
IPC: G09F1/06
Filed: 1986-03-13
Abstract: The invention relates to a structure made in a semi-rigid material such as cardboard for the presentation of information. According to the invention, this structure comprises a panel 1, one face of which serves as a support for the said information, while on its reverse side are articulated, along two parallel pivoting lines 3, 8 intended to be arranged horizontally in the position of use of the structure, a second and a third panel 4, 6 which are contiguous via a fold line 5 parallel to the said pivoting lines.
Patent FR-2587216-A1 (FR)
Title: Composition pharmaceutique a base d'erythropoietine humaine destinee a etre administree par voie nasale pour le traitement de l'anemie
Inventor: SHIMODA NAOTO
IPC: A61K9/00
Filed: 1986-06-03
Abstract: CETTE COMPOSITION PHARMACEUTIQUE, DESTINEE A ETRE ADMINISTREE PAR VOIE NASALE, CONTIENT DE L'ERYTHROPOIETINE HUMAINE COMME INGREDIENT ACTIF POUR LE TRAITEMENT DE L'ANEMIE. ELLE PEUT CONTENIR, EN OUTRE, UN MILIEU AQUEUX ETOU NON AQUEUX, UN AGENT TENSIO-ACTIF ET UN PRODUIT GELIFIANT.
Patent FR-2601280-A1 (FR)
Title: Cutting machine particularly intended for thinly slicing meat
IPC: B26D7/01
Filed: 1986-07-10
Abstract: Cutting machine, particularly for cutting blocks of meat, comprising a disc-shaped cutting blade 3 rotationally driven about its axis and means for moving the surface to be cut of at least one block of meat translationally over the surface of a support plate 2a located parallel to the blade at a small adjustable distance from the latter, so as to make the cutting edge of the blade penetrate the said block, characterised in that the said translation takes place along a circular path which is a secant with respect to the disc.
Patent FR-2604017-A1 (FR)
Title: Rotary advertising medium with multiple presentation faces actuated by air movement
IPC: G09F11/02
Filed: 1986-09-12
Abstract: Rotary advertising medium with multiple presentation faces actuated by air movement. It consists of the combination first of all of a triangular prismatic casing with faces 1, 2, 3 carrying advertising motifs which are slightly concave or curved so as to catch the wind with overlapping contiguous edges forming propulsion wings, next of the mounting of this prism on a shaft with bearings facilitating rotation of the lateral flanges 11, and finally of the mounting of the assembly on a mobile support 20, 21 which can be adapted equally well to a vehicle or to a fixed surface such as a shop or other forecourt. It is intended, with a single medium, to allow several advertising motifs to be presented, changing of which takes place by the movable surfaces catching the wind.
Patent FR-2588653-A1 (FR)
Title: Capteur optique de position
Inventor: BOERO PAOLO
IPC: G01D5/26
Filed: 1986-10-15
Abstract: L'INVENTION SE RAPPORTE AUX CAPTEURS DE POSITION ET AUX SYSTEMES OPTIQUES. CE CAPTEUR OPTIQUE 1, DESTINE A CAPTER LA POSITION D'UN CORPS 2 PAR RAPPORT A UNE STRUCTURE DE REFERENCE, UTILISE DES FAISCEAUX LUMINEUX REFLECHIS PAR DES SURFACES DE DEUX BANDES PARALLELES QUI COMPRENNENT DES ZONES POSSEDANT DES COEFFICIENTS DE REFLEXION DIFFERENTS. LES INTENSITES DES FAISCEAUX REFLECHIS, CONSIDEREES EN COMBINAISON, DONNENT DES INFORMATIONS REPRESENTATIVES DE LA POSITION DU CORPS PAR RAPPORT A L'INTERVALLE DE POSITIONS PRE-ETABLI. PRINCIPALES APPLICATIONS: CAPTEURS DE POSITION POUR RESSORTS PNEUMATIQUES DE SUSPENSION DE VEHICULES AUTOMOBILES.
Patent FR-2591799-A1 (FR)
Title: Tube a double paroi en verre de silice pour l'execution de processus de la technologie des semi-conducteurs
Inventor: SCHULKE KARL-ALBERT
IPC: H01L21/22
Filed: 1986-12-12
Abstract: Un tube intérieur 1 et un tube extérieur 2 sont disposés sur le même axe en féfinissant entre eux un espace annulaire 5 pour un gaz de balayage. D'un côté, ils présentent des parties terminales 3, 4 dont l'une au moins est plane. La partie terminale 3 du tube intérieur 1 porte une tubulure 7 d'amenée de gaz de traitement pour l'exécution du processus. Cette tubulure traverse de façon étanche la partie terminale 4 du tube extérieur 2. Celui-ci présente une tubulure d'amenée 13 et une tubulure d'évacuation 14 pour le gaz de balayage. Le diamètre du tube intérieur est d'au moins 150 mm. L'axe de la tubulure 7 d'amenée de gaz de traitement coïncide avec l'axe 8 du tube intérieur et la partie longitudinale de cette tubulure entre les deux parties terminales 3, 4 possède un diamètre compris entre 20 et 70% du diamètre du tube intérieur. (CF DESSIN DANS BOPI)
Patent FR-2596462-A1 (FR)
Title: Self-priming pump stage for the cooling circuit of a high-compression internal combustion engine
Inventor: ZITEK EDUARD
IPC: F04D9/00
Filed: 1987-03-27
Abstract: a) Self-priming pump stage for the cooling circuit of a high-compression internal combustion engine. …<??>b) Stage characterised in that the control circuit 11 of the engine comprising a compressed-air accumulator, a starting valve 10 and an ejector valve 7, is connected to the outlet 14 of the pump 3 and by means of the pump 3 to the drawing-in pipe 13, an ejector 8 being provided between the starting valve 10 and the ejection valve 7. … …
Patent FR-2620202-A1 (FR)
Title: Improvements to the devices used in the rational ventilation of each of the locations of a single unit
IPC: F24F11/04
Filed: 1987-03-31
Abstract: The said improvements include a means 5 consisting of an elastic fluted plate making it possible to adjust and hold grids 3 and 4 whose studs 6 penetrate into the slits 8, 9; the easy installation of the diaphragm 13 slid into the slot 12 and retained by the snap ring 14; the tilting of the box 1 for the purpose of replacing the diaphragm 13; fixing it to the wall of the location by means of the collar 18; the manual manipulation of the diaphragm 13 by means of the device 28 allowing it to be remounted with the purpose of uncovering the grid 3; the opening 16 of the said grid allowing the free passage of the base of the diaphragm 13 under the effect of an intentional increase in the depression; the dome 35 placed outside the air inlet orifice 32 in the location for better comfort at this level; a bent-back tab 41 for supporting the central stato-electric depression member and to increase its efficiency.
Patent FR-2597742-A1 (FR)
Title: Ecarteur chirurgical
Inventor: KULIK YAROSLAV PETROVICH
IPC: A61B17/34
Filed: 1987-04-21
Abstract: L'INVENTION CONCERNE UN ECARTEUR. SELON L'INVENTION, IL COMPORTE UN TUBE DEMONTABLE EN DEUX MOITIES 1, 2, DES DISPOSITIFS DE FIXATION DES MOITIES 1, 2 ET UN MECANISME D'ECARTEMENT DE CES MOITIES AVEC UN FIXATEUR DE LEUR POSITION. LE DISPOSITIF DE FIXATION DE LA MOITIE 1 DU TUBE A LA FORME D'UNE PLAQUE RECTANGULAIRE 3 AVEC UN ORIFICE LONGITUDINAL 5, DANS LEQUEL, PRES DE SON EXTREMITE, SE TROUVE LA MOITIE 1 DU TUBE. LE DISPOSITIF DE FIXATION DE LA MOITIE 2 DU TUBE A LA FORME D'UNE PLANCHE RECTANGULAIRE 6 QUI PEUT GLISSER SUR LA SURFACE DE LA PLAQUE 3 ET QUI PORTE UN ORIFICE LONGITUDINAL 9, IDENTIQUE A CELUI DE LA PLAQUE 3, ET PRES DE L'EXTREMITE DUQUEL, EN FACE DE LA MOITIE 1, SE TROUVE LA MOITIE 2 DU TUBE. L'ECARTEUR EST ESSENTIELLEMENT DESTINE A ELARGIR LES PLAIES LAPAROSCOPIQUES.
Patent FR-2615270-A1 (FR)
Title: Detendeur pour gaz purs
Inventor: COFFRE ERIC
IPC: F16K51/00
Filed: 1987-05-15
Abstract: CE DETENDEUR COMPREND UN ETAGE FINAL COMPORTANT UNE ENTREE 1, DES MOYENS DE DETENTE 12, 11, 25, 28 ET UNE SORTIE BASSE PRESSION 2. UN FILTRE 15 AYANT UN SEUIL DE FILTRATION INFERIEUR AU MICRON EST INTERPOSE ENTRE LES MOYENS DE DETENTE ET LA SORTIE BASSE PRESSION. APPLICATION A LA FOURNITURE DE GAZ TRES PURS POUR L'INDUSTRIE ELECTRONIQUE.
Patent FR-2615965-A1 (FR)
Title: Lentille de contact aspherique pour correction de la presbytie
Inventor: MERCIER JEAN-LOUIS
IPC: G02C7/04
Filed: 1987-06-01
Abstract: Il s'agit d'une lentille de contact dont la face arrière 12, par exemple, est sphérique, tandis que sa face avant 11 est asphérique. Suivant l'invention, la caustique de la surface d'onde qui émerge de cette lentille de contact 10 comporte deux pointes P1 , P2 , l'une paraxiale, l'autre marginale. Application à la correction de la presbytie.
Patent FR-2616047-A1 (FR)
Title: Shoes for games of bowls
IPC: A43B5/00
Filed: 1987-06-02
Abstract: The present invention relates to the field of games and leisure pursuits, providing therefor a complementary accessory which is highly useful since it consists of a pair of shoes specially designed for playing bowls and one 2 of which is equipped with a marking device, this same shoe 2 being placed so as to bear on the bowl 1 by means of a rigid reinforcement 3 in order to mark a portion of a circle 4. An end piece 5 fastened to the front of the shoe 2 includes a hole 6 intended to receive a piece of chalk, another tapped orifice 7 having been provided in order to receive a needle (pointer) 8. The other shoe, which is not shown, is equipped with a tape measure, specially adapted for this use.
Patent FR-2613091-A1 (FR)
Title: System of heating control based on control of the operating time of the pump of the circuit controlled by an ambient thermostat
IPC: G05D23/275
Filed: 1987-06-10
Abstract: The present invention relates to a adjustment system adapting to the majority of central heating installations with a hot water circuit. Its principle is to adjust to the minimum the temperature of the hot water flowing in the heating circuit, by taking as regulating parameter the operating time of the pump of the heating circuit. This device makes it possible automatically to regulate the temperature of hot water delivered from individual boilers in such a way that it is always the minimum necessary and sufficient to obtain a given ambient temperature in a room.
Patent FR-2617873-A1 (FR)
Title: Perfectionnement aux machines permettant de realiser la couture de deux panneaux tricotes comportant un bord cote et un long jersey
Inventor: CAMPIN GEORGES PIERRE
IPC: D05B27/18
Filed: 1987-07-07
Abstract: Dispositif de guidage et déroulage de lisières pour la couture de panneaux tricotés sur machines à coudre à cuvettes. Il comprend deux glissières 18, 19 espacées et une lame séparatrice 20 susceptible de se placer au centre des glissières pour la couture du jersey et d'être relevée hors des glissières pour la couture des bords côtes. Deux sabots dérouleurs 30, 31 situés respectivement à droite et à gauche de la lame séparatrice 20 déroulent les lisières du jersey et sont écartés pour la couture des bords côtes. Il comporte en outre deux plaquettes 24, 25 d'épaisseur sensiblement égale à celle du jersey à coudre, placées entre la lame séparatrice 20 et chacun des sabots 30, 31 et dont la partie inférieure présente un profil arrondi situé à une certaine distance au dessus des glissières, délimitant ainsi parfaitement l'espace disponible pour les lisières des panneaux de tricot.
Patent FR-2618851-A1 (FR)
Title: Cylinder head for an engine in a closed V configuration having a single cam shaft
Inventor: FROUMAJOU ARMAND
IPC: F01L1/053
Filed: 1987-07-30
Abstract: The cylinder head includes a single cam shaft 30 arranged with respect to the valve steps 29a, 29'e so as to act directly by thrust along the axis of each of the intake valves 29a and, by means of a rocker 25', on each of the exhaust valves 29'e. The rocker 25' is mounted so as to pivot on a longitudinal ramp 26 integral with the body of the cylinder head 20.
Patent FR-2619212-A1 (FR)
Title: Device for monitoring the vacuum within a leak tight envelope consisting of a flexible film
Inventor: CHABRIER CHRISTIAN
IPC: G01M3/36
Filed: 1987-08-06
Abstract: Device for monitoring the vacuum within a leak tight envelope consisting of a flexible film, containing a product to be protected in a vacuum and in which the said envelope matches the contours of the said product, characterised in that it comprises: - a first means which can press firmly on at least one of the walls of the said envelope; - a second means intended to move the first means along a direction orthogonal to the wall on to which the said first means presses; - a third means 12 intended to detect the relative displacement of the said second means.
Patent FR-2604401-A1 (FR)
Title: Suspension hydropneumatique pour vehicules automobiles
Inventor: KNECHT HEINZ
IPC: F16F9/50
Filed: 1987-09-24
Abstract: CETTE SUSPENSION EST DU TYPE QUI COMPREND AU MOINS DEUX CYLINDRES DE RESSORTS TELESCOPIQUES 1 RELIES A UN ACCUMULATEUR DE PRESSION 7 PAR UNE CONDUITE 16 ET DIVISES PAR UN PISTON 3 EN DEUX CHAMBRES DE TRAVAIL. POUR PERMETTRE DE MODULER LA FORCE D'AMORTISSEMENT TOUT EN CONSERVANT L'APTITUDE A TRANSMETTRE LES FORCES DANS TOUTES LES CONDITIONS, MEME LORSQUE LA TIGE DE PISTON SORT RAPIDEMENT, LA SECTION DE LA CONDUITE 16 EST MODULEE PAR UN ELEMENT AMORTISSEUR 8 ET, D'AUTRE PART, UNE DERIVATION RENFERME UNE SOUPAPE 9 COMPRENANT UN SIEGE 15 ET UN ELEMENT MOBILE 10 QUI PRESENTENT DES SURFACES A1, A2, A3 TELLES QUE LA SOUPAPE S'OUVRE SI LA PRESSION TOMBE AU-DESSOUS D'UNE VALEUR DONNEE DANS L'UNE 4 DES DEUX CHAMBRES DE TRAVAIL.
Patent FR-2621676-A1 (FR)
Title: Tap with a two-part body which can be fitted onto any tapping and can be dismantled while live
IPC: F16K1/02
Filed: 1987-10-12
Abstract: Tap consisting of a base part 1 including the fluid inlet pipe 2, a connection device 4, the fluid inlet as well as a device 12 making it possible to mount a flow rate-limiting valve 13. On this base part 1 is fixed, via a suitable means, a body 5 including, apart from the outlet pipe, a screw thread making it possible to manipulate the valve 9 fixed onto a threaded rod 8 as well as a stuffing box 11. This device overall makes it possible to: - mount the tap on base parts of any nature, male or female screw threads of any diameter, flanges of any diameter, or any other connection; - dismantle the tap, for changing the valve seal or stuffing box, on pressurised mains or tanks without draining or bleeding them.
Patent FR-2622280-A1 (FR)
Title: Improved guillotine-type door for a closed fireplace hearth
Inventor: RICHARD ROBERT
IPC: F24B1/192
Filed: 1987-10-23
Abstract: Improved guillotine-type door characterised in that it opens by tilting about a lower pivot pin 15, the ends of which are the lower fingers 13 for guiding along the vertical slideways, the said lower fingers receiving the attachment of the end of the kinematic linkage to the mechanical device 31 which assists the operation and these fingers being immobilised in the lower down position by a retaining device 22 and in that each vertical slideway has, in the region of each upper finger 14, a lateral disengagement device for allowing the door to tilt and then for it to pivot about the lower pin 15. This invention is of interest to manufacturers of closed hearths for fireplaces.
Patent FR-2622468-A1 (FR)
Title: Perfumed respiratory filter
IPC: A24F42/20
Filed: 1987-10-28
Abstract: Product intended to provide its user with a perfumed air while affording him or her a pleasure comparable to that of the smoker. It consists of a tubular hollow body 1 containing a plug 2 made of an air-permeable substance and capable of retaining a perfumed essence. Removable stoppers 3 prevent the perfume from evaporating before use. Finally, a filter 4 may be placed on the side of the body 1 which is to be supported by the user's lips. The device according to the invention is intended for many uses: substitute for sweets, carrier for medications intended for the respiratory tract, fight against atmospheric pollution and aid to smokers who wish to cease their activity.
Patent FR-2623027-A1 (FR)
Title: Device for removing a cable from a duct
IPC: H02G1/08
Filed: 1987-11-06
Abstract: The device is intended for removing a power or telephone cable CA, which is worn or out of service, from an underground duct AL. The device comprises two cylinders 1a, 1b having first ends 13a, 13b securely fastened by means of stays 31, 32 and chains 41a, 41b, 42 to walls of an underground chamber CH where the duct AL terminates, and second ends 15a, 15b mounted so as to pivot in a swingletree 2 secured to the end of the cable CA. The forces exerted individually by the cylinders as well as the orientations of the cylinders can be varied so as to select the force and the direction of traction exerted on the cable. The invention also relates to a device 5 for securing the end of the cable CA to the swingletree 2.
Patent FR-2606856-A1 (FR)
Title: Soupape de surete pour reservoirs de carburant de vehicules automobiles
Inventor: MARTINIS FRANCO
IPC: F16K17/36
Filed: 1987-11-17
Abstract: SOUPAPE DE SURETE POUR RESERVOIRS DE CARBURANT 9 DE VEHICULES AUTOMOBILES, COMPORTANT DES PREMIERS MOYENS DE SOUPAPE 45, 46 PERMETTANT D'ETABLIR UNE COMMUNICATION DE L'INTERIEUR VERS L'EXTERIEUR DU RESERVOIR 9 LORSQUE LA PRESSION A L'INTERIEUR DE CELUI-CI EST SUPERIEURE A UNE PREMIERE VALEUR DONNEE, DES DEUXIEMES MOYENS DE SOUPAPE 58, 46 PERMETTANT D'ETABLIR UNE COMMUNICATION DE L'EXTERIEUR VERS L'INTERIEUR DU RESERVOIR 9 LORSQUE LA PRESSION A L'INTERIEUR DE CELUI-CI DESCEND AU-DESSOUS D'UNE DEUXIEME VALEUR DONNEE, ET DES TROISIEMES MOYENS DE SOUPAPE 26, 30 PERMETTANT DE BLOQUER L'ACTIVITE DES PREMIERS 45, 46 OU DES DEUXIEMES 58, 46 MOYENS DE SOUPAPE LORSQUE L'INCLINAISON DU VEHICULE DEPASSE UNE VALEUR DONNEE, ET PRESENTANT EN OUTRE UNE SOUPAPE DE SURPRESSION 37 DE SURETE.
Patent FR-2623590-A1 (FR)
Title: Downstream sluice with double sealing with the maximum water head upstream whose front seal is protected against being torn out
Inventor: POSKIN CLAUDE
IPC: E02B7/54
Filed: 1987-11-19
Abstract: The subject of the invention is a sluice with double sealing. The front seal 7 is protected in a seal support section 2 whose bearing surface is inclined upstream so as to interact with a bearing surface which is inclined at the front beam 9 of the chassis and this being to prevent any needless friction at the beginning of opening the sliding panel 1 and at the end of closure, and to create an artificial plenum and pressure-balancing chamber 26, the said seal support section 2 also creates an upstream leak and a downstream leak by means of two nozzles 23, 24 which increase the head losses giving rise to a loss of energy of the jet. The invention applies to sluices having a front seal.
Patent FR-2626330-A1 (FR)
Title: Ecrou de fixation
Inventor: PAJOT JEAN-CLAUDE
IPC: F16B19/05
Filed: 1988-01-22
Abstract: L'invention concerne un écrou de fixation 10 prévu pour coopérer avec un corps fileté 16 en vue de permettre le serrage axial de deux pièces 12, 14. Selon l'invention il comporte une bague en matière plastique 24 possédant un alésage 36 dont le diamètre intérieur initial est supérieur au diamètre extérieur du filet du corps fileté pour permettre sa mise en place par coulissement axial et qui, lors de l'opération de serrage axial, est déformée plastiquement au moyen d'une douille de serrage 26 qui coopère avec la surface périphérique 40 externe de la bague pour provoquer une réduction dudit diamètre intérieur et empreindre un filetage interne à la surface dudit alésage 36. La surface périphérique externe de la bague comporte des zones 40 inclinées par rapport à l'axe qui constituent des rampes de serrage axial avec lesquelles coopère la surface interne 42 de la douille de serrage 26 qui est poussée axialement sur la bague 24 en vue de l'opération de serrage axial.
Patent FR-2611750-A1 (FR)
Title: Dispositif d'enroulement de tricot pour machines a tricoter rectilignes
Inventor: GOLLER ERNST
IPC: D04B15/90
Filed: 1988-01-26
Abstract: LE DISPOSITIF D'ENROULEMENT DE TRICOT EST CONSTITUE SOUS FORME D'UN DISPOSITIF AUXILIAIRE POUVANT ETRE PLACE SUR UNE TRAVERSE DE SUPPORT INFERIEURE 10 SUR LE COTE FRONTAL D'UNE MACHINE A TRICOTER RECTILIGNE ET AU-DESSOUS DES FONTURES 21, 22, DANS LEQUEL UN ROULEAU DE BOBINAGE 13 DESTINE A LA FORMATION DE L'ENROULEMENT DE TRICOT 24 PEUT ETRE PIVOTE DEPUIS UNE POSITION INTERNE VERS UNE POSITION EXTERNE. LE ROULEAU DE BOBINAGE 13 PEUT EGALEMENT ETRE ENTRAINE VERS LA POSITION EXTERNE AU MOYEN D'UN MOTEUR MONTE DANS LA TRAVERSE DE SUPPORT INFERIEURE 10, OU ETRE DESACCOUPLE ET ENTRAINE EN ROTATION A LA MAIN.
Patent FR-2626640-A1 (FR)
Title: Perfectionnements apportes aux manchons de support antivibratoires hydrauliques
Inventor: THELAMON JEAN
IPC: B60G15/06
Filed: 1988-01-28
Abstract: Il s'agit d'un manchon de support antivibratoire hydraulique comprenant deux armatures rigides tubulaires 1, 2 s'entourant l'une l'autre et réunies entre elles par un corps en élastomère 3 adhéré sur elles et conformé de façon à former avec elles au moins deux chambres étanches A, B diamétralement opposées selon une direction Y et communiquant entre elles par un canal étroit E, l'ensemble desdites chambres et dudit canal étant rempli d'un liquide amortisseur. L'un au moins des tronçons, de la cloison centrale 6, séparant les deux chambres et reliant entre elles les deux armatures, est évidé par un puits 5 s'étendant selon la direction Y et faisant communiquer entre elles les deux chambres A et B, puits barré par un clapet mobile ou déformable 4 associé à des moyens pour limiter l'amplitude de ses débattements.
Patent FR-2629368-A1 (FR)
Inventor: BERREBI GEORGES
IPC: C10G49/12
Filed: 1988-03-29
Abstract: A process for two-stage treatment of a new or regenerated catalyst containing (a) a support based on at least one oxide of a metal or of a metalloid and (b) at least one active metal, in which process, in a first stage carried out ex situ approximately between 0 and 50 DEG C and in the absence of hydrogen the catalyst is treated with the aid of at least one sulphurising agent so as to incorporate this agent partially or completely in the porosity of the catalyst, the sulphurising agent being an organic polysulphide, the said sulphurising agent being employed in solution in a solvent, in which process, next, in a second stage, the catalyst obtained in the first stage is treated by a method in which (a) (first part of the second stage) the catalyst is treated in the absence of hydrogen and at least in the presence of steam or of at least one moist inert gas, in situ or ex situ, at a temperature of between 65 and 275 DEG C (b) this catalyst is then treated (second part of the second stage) for at least approximately 1 minute at a temperature of at least 275 DEG C in the presence of hydrogen, the process being characterised in that during the first stage 0.1 to 10 % by weight of at least one nitrogen compound is added, the weight being expressed as nitrogen, relative to the weight of polysulphide or of polysulphides.