baber/WOPTO huggingface dataset:
Patent FR-2586218-A1 (FR)
Title: Dispositif de connexion pour un bras d'essuie-glace du type pantographe
Inventor: BENETEAU CHRISTIAN
IPC: B60S1/40
Filed: 1985-08-19
Abstract: L'INVENTION EST RELATIVE A UN DISPOSITIF DE CONNEXION POUR UN BRAS D'ESSUIE-GLACE DU TYPE PANTOGRAPHE. EN PLUS DE L'ARTICULATION 5 (RIVET) ENTRE LE BRAS MOTEUR 1 D'UNE PART ET LES PIECES 13 ET 4 (CROCHET) D'AUTRE PART, LA PARTIE AVANT DU PANTOGRAPHE COMPORTE UN DISPOSITIF DE CONNEXION, ARTICULE EN 16A, ENTRE LE BRAS DE CONTROLE 12 ET LA PIECE 13. SELON L'INVENTION LE DISPOSITIF DE CONNEXION 16A EST REALISE EN UNE PIECE 16 FLEXIBLE EN 16A. LA PIECE 16 EST DE PREFERENCE REALISEE EN UN ELASTOMERE POLYESTER. DOMAINE D'APPLICATION : VEHICULES A MOTEUR.
Patent FR-2570506-A1 (FR)
Title: Appareil de signalisation d'exposition locale aux radiations
Inventor: NODA KIMIO
IPC: G01T1/00
Filed: 1985-09-04
Abstract: APPAREIL DE SIGNALISATION D'EXPOSITION AUX RADIATIONS, UTILISABLE DANS DES INSTALLATIONS NUCLEAIRES OU DE RADIOTHERAPIE, COMPRENANT UN DETECTEUR, UN PREAMPLIFICATEUR ET UNE UNITE DE MESURE RELIES ELECTRIQUEMENT, ET PERMETTANT UNE SIGNALISATION D'EXPOSITION LOCALE. LE DETECTEUR 2 EST SOUS LA FORME D'UN ANNEAU 8, QUI PEUT ETRE FIXE LOCALEMENT, DANS LEQUEL EST INCORPORE UN ELEMENT SEMI-CONDUCTEUR 10 SENSIBLE AUX RADIATIONS. LE PREAMPLIFICATEUR 4 EST RELIE A CET ELEMENT PAR UN CABLE 7 ET COMPORTE UN ELEMENT DE FIXATION. IL EST D'AUTRE PART RELIE PAR UN CABLE 7 A L'UNITE DE MESURE 6 QUI COMPORTE UN ELEMENT DE FIXATION ET UNE ALARME 16.
Patent FR-2587749-A1 (FR)
Title: Burglar-proof lock keeper
IPC: E05B15/02
Filed: 1985-09-20
Abstract: The invention relates to a keeper which can resist the pressures which a door is subjected to in the invent of a break-in attempt and enables an alarm to be set off. It consists of a box element 1 having a large orifice 2 which, under pressure, enables the slide bolt (not shown) to move towards the far end of the box element 1. A U-shaped stop-piece 3 ensures that the slide bolt is positioned normally, enables a rubber part 4 to be compressed and ensures, by means of a terminal 5, that contact is made with a second terminal 7 which is fixed to an adjustment screw 6 fixed to the far end of the box element 1 and enables an electrical signal to be triggered.
Patent FR-2573782-A1 (FR)
Title: Device for removing washing products from the drawer compartments of domestic washing machines
Inventor: CEREDA BRUNO
IPC: D06F39/02
Filed: 1985-11-26
Abstract: Device for removing washing products from compartments of domestic washing machines using a current of water transferring the products into the tub of the said machines. The orifice 13 for letting water into the compartment S is located in a position corresponding to the rear side of the said compartment which, the drawer being closed, cooperates by its forward limit wall 8 with a profiled deflector plate 7 to ensure water-tightness and to force the current of water to circulate again in the compartment S.
Patent FR-2573895-A1 (FR)
Title: Marqueur et appareil pour la surveillance d'articles
Inventor: HUMPHREY FLOYD B
IPC: G08B13/24
Filed: 1985-11-26
Abstract: L'INVENTION CONCERNE UN MARQUEUR ET UN APPAREIL DESTINES A LA SURVEILLANCE D'ARTICLES. LE MARQUEUR COMPORTE ESSENTIELLEMENT UN COMPOSANT 23 QUI REAGIT A DE L'ENERGIE MAGNETIQUE INCIDENTE EN CHANGEANT BRUSQUEMENT DE POLARITE MAGNETIQUE GRACE A UNE DISCONTINUITE DE BARKHAUSEN DANS SA BOUCLE D'HYSTERESIS, PRODUITE PAR EXEMPLE PAR UNE CONTRAINTE MECANIQUE. LE CHANGEMENT BRUSQUE DE POLARITE MAGNETIQUE PROVOQUE UNE PERTURBATION DU CHAMP MAGNETIQUE POUVANT ETRE FACILEMENT DETECTEE. L'INVENTION S'APPLIQUE NOTAMMENT A LA SURVEILLANCE DES ARTICLES VENDUS DANS UN MAGASIN.
Patent FR-2590966-A1 (FR)
Title: Clamp for fastening a bulb in a reflector
IPC: F21V19/00
Filed: 1985-11-29
Abstract: The invention relates to a fastening clamp allowing a bulb to be fixed in the orifice of a reflector. It consists of two passages 1, 2 allowing the contacts of the bulb to pass without contact, of a radius of curvature 3 avoiding breaking of the base of the bulb, of two projections 4, 5 exerting a pressure on the body of the bulb, of four projections 6, 7, 8, 9 and two flaps 10, 11 ensuring the holding of the clamp placed in the orifice of the reflector. The clamp, placed at the bottom of the reflector, fixes and holds the bulb when it is introduced.
Patent FR-2574733-A1 (FR)
Title: Regulateur de pression de freinage dependant de la charge
Inventor: RUDIGER ECKHART
IPC: B60T8/30
Filed: 1985-12-05
Abstract: LA PRESENTE INVENTION EST RELATIVE A UN REGULATEUR DE PRESSION POUR UNE INSTALLATION DE FREINAGE HYDRAULIQUE D'UN VEHICULE, CE REGULATEUR AYANT DES CARACTERISTIQUES DEPENDANT DE LA CHARGE. LE BUT DE L'INVENTION EST D'OBTENIR QUE LA COURBE CARACTERISTIQUE REPRESENTANT LA PRESSION AUX ROUES ARRIERE EN FONCTION DE LA PRESSION AUX ROUES AVANT NE SOIT PAS RECTILIGNE, MAIS SE RAPPROCHE D'UNE COURBE IDEALE DANS LAQUELLE LA PRESSION AUX ROUES ARRIERE AUGMENTE MOINS VITE QUE LA PRESSION AUX ROUES AVANT DE FACON A EVITER QUE LES ROUES ARRIERE NE SOIENT BLOQUEES ALORS QUE LES ROUES AVANT NE LE SONT PAS, CE QUI ENTRAINE DES RISQUES DE TETE A QUEUE ET AUTRES INCIDENTS. DANS CE BUT, ON UTILISE UN REGULATEUR AGISSANT SELON LE PRINCIPE DU FLEAU DE BALANCE. UN PISTON DE COMMANDE 24 RELIE AUX ROUES ARRIERE, ET UN PISTON D'ACTIONNEMENT 11, RELIE A LA PEDALE DE FREIN ET AUX ROUES AVANT, APPUIENT TOUS DEUX SUR UN LEVIER 6 QUI PREND APPUI SUR UNE SURFACE COURBE 7. CE LEVIER EST CONSTITUE PAR UNE BARRE FLEXIBLE, DONT LA FLEXION PERMET DE DEPLACER LE POINT D'APPUI ET D'OBTENIR LE RESULTAT DESIRE.
Patent FR-2592359-A1 (FR)
Title: Rigging for a sailing craft, particularly a sailboard
IPC: B63B35/79
Filed: 1985-12-31
Abstract: This rigging comprises a boom spar 2, at the top of which the sail 4, which is symmetrical with respect to the plane 9 and profiled, is fixed via a multidirectional articulation 5. Means 8, 20 enable the articulation 5 to be temporarily locked in either of the two positions corresponding, respectively, to the "tack on starboard side" and "tack on port side" uses, the sail 4 always presenting the same face to the wind. The sail 4 passes from one position to the other by tilting or pivoting, after the articulation 5 has been unlocked.
Patent WO-8703256-A1 (WO)
Title: Dynamic seat of which the inclination of the back and the headrest varies as a function of the accelerations and decelerations of the vehicle
Inventor: BOULAY MAURICE
IPC: B60N2/48
Filed: 1986-11-19
Abstract: Dynamic seat comprised of a frame (2) which receives the horizontal motionless part of the seat. Said frame comprises two substantially vertical arms (3) at the end of which is mounted the oscillating frame (5) of the back (6). Adjustable means such as springs acting as a return spring are secured between the frame (5) and the frame (2) so as to provide for the angular adjustment of the back (6). The upper part of the frame (5) comprises a cylinder (8) on which is mounted the armature (10) of the headrest (32). Its connection with the frame is provided by servo-control means (11, 14). Locking means (23, 24) enable the user to block the pivoting of the seat as desired. The seat may or may not be provided with a horizontal part (1) on which may be mounted sides (33, 34) to provide for a better comfort. This invention applies particularly to motor vehicles, space vehicles, as well as to furniture.
Patent FR-2597140-A1 (FR)
Title: Lock with alterable combinations and with a flow diagram and its operating key card which can be shared among users
IPC: E05B35/00
Filed: 1986-04-11
Abstract: Lock with alterable combinations and with a flow diagram, actuated by a key card or a plurality of part keys. The invention relates to a lock having a high number of combinations formed by the introduction of a deformable steel key card 9 having slots of different lengths. The bottom of each of these slots drives a dog 5 and thus causes the rotation of each wheelwork 6 with which a disc 12 is associated by screwing, thus making it possible to alter the combination. This disc has a plurality of notches 10', thus allowing combined openings. A roller 4 guides the card and ensures that the mechanism is protected. This lock can be adapted to all closing or control devices, access to which must be recognised and authorised. The card 9 can be replaced by a plurality of part cards; it can also be introduced from inside.
Patent FR-2583082-A1 (FR)
Title: Jeu d'outils pour des godets de pelles, des bennes frontales, des bennes preneuses ou des dispositifs analogues
Inventor: STICH HELMUT
IPC: E02F9/28
Filed: 1986-06-06
Abstract: JEU D'OUTILS POUR DES GODETS DE PELLES OU DES DISPOSITIFS ANALOGUES COMPOSE D'UNE PLAQUE DE MONTAGE ET DE DENTS REVERSIBLES FIXEES DE MANIERE AMOVIBLE DANS LA REGION FRONTALE DE LA PLAQUE DE MONTAGE. LA PLAQUE DE MONTAGE1 PRESENTE A SA FACE SUPERIEURE, AU MOINS DANS LA REGION DES DENTS REVERSIBLES2, DES BLOCS DE FIXATION3. LES DENTS REVERSIBLES2 COMPORTENT A LEURS FACES INFERIEURES DES EVIDEMENTS DE FIXATION4 CORRESPONDANT AUX BLOCS DE FIXATION3 ET DESTINES A RECOUVRIR CES DERNIERS. LES DENTS REVERSIBLES2 DOIVENT ETRE FIXEES DE MANIERE AMOVIBLE SUR LES BLOCS DE FIXATION3 ET ELLES PEUVENT ETRE INCLINEES PAR RAPPORT AU TRANCHANT5 D'UNE PLAQUE DE MONTAGE CONFORMEE EN LAME DE COUTEAU1 DE TELLE FACON QUE LES TRANCHANTS7 DES DENTS EN SAILLIE2A S'ALIGNENT AVEC LA LAME DE COUTEAU1 DONT ILS ASSURENT, PAR CONSEQUENT, LA PROTECTION.
Patent FR-2602648-A1 (FR)
Title: Fastening device for article of jewellery, clocks and watches and fine leatherwork and, in particular, a watch
Inventor: VALBELLE HENRI
IPC: A44C5/20
Filed: 1986-08-05
Abstract: a. Fastening device; b. Characterised in that it includes a small bar 5-6 fastened pivotably via one of its ends to one of the supports 32, 41, the other end of this small bar being capable of interacting with the other support 31, 42 via a closure means. c. The invention relates to fastening devices for articles of jewellery, clocks and watches and fine leatherwork and, in particular, for a watch.
Patent FR-2603644-A1 (FR)
Title: Device for closing a letterbox, comprising a slidingly-mounted lock bolt
Inventor: DECAYEUX ETIENNE
IPC: E05B15/10
Filed: 1986-09-04
Abstract: The present invention relates to a device for closing a letterbox comprising a slidingly-mounted lock bolt 1 secured to a rod 14 arranged to be moved translationally under the action of a manoeuvring member 9. According to the invention, this device is characterised by the fact that there are provided, secured to the rod, a plate 15 subjected to the action of the manoeuvring member as well as two members for guiding the plate, the two members being spaced apart in the direction of sliding of the lock bolt.
Patent FR-2603976-A1 (FR)
Title: Method and machine for generating steam and/or hot water
IPC: F22B1/28
Filed: 1986-09-16
Abstract: Method for generating steam and/or hot water to which a useful substance may or may not be added, by means of a closed vessel 1, in the bottom of which an electrical heating element 2 is installed and which communicates with steam outlet pipe 11 at the end of which an application apparatus accessory 15 may be connected and on which is mounted a solenoid valve 11 controlling the passage of the steam, characterised in that the cold water is injected, by means of a pump 17, into the steam outlet pipe so that it is heated and conveyed under pressure by the steam flowing in the said pipe. The invention also relates to the machine designed for implementing this method.
Patent FR-2605515-A1 (FR)
Title: Immobilisation splint
Inventor: TASSERIT JACQUES
IPC: A61F5/058
Filed: 1986-10-27
Abstract: Post-operation device for holding a fracture, dislocation of the limbs or joints. The invention relates to a device which allows fast fitting and removal, prevents the migration of bacteria, does not absorb moisture and is easy to wash; the number of sizes is reduced. It consists of a self-attaching shell 1 of ABS style plastic, or other material, which keeps the apparatus rigid, and which is placed around the limb using holes 3 which guide the self-attaching straps 5, of a plate made of polyethylene foam 4, with a certain density, with closed cells comprising, on the face in contact with the shell, raised jersey, pressure welded onto the foam, and self-attaching, and on the other face in contact with the skin of the patient, 100 % cotton pressure welded onto the foam. The device according to the invention is adapted for any holding of a fracture, dislocation of the limbs or of the joints.
Patent FR-2607279-A1 (FR)
Title: Datum point generator device, for an electric convector in particular
IPC: H01H37/12
Filed: 1986-11-21
Abstract: The present invention relates to a datum point generator device of the type including a box 20 carried by the casing 10 of an appliance and fitted with a control knob 30 which can be moved with respect to the box in order to adjust a generator unit for the datum point placed in the box. According to the invention, the box 20 is arranged so as to be movable on the casing 10 between a main position and an auxiliary position. Moreover, the device comprises means 17, 18 provided on the casing and configured to come into engagement with the control knob 30 when the box 20 is stressed in movement from the main position to the auxiliary position so that during this movement the control knob 30 is immobilised with respect to the casing but the box 20 is moved with respect to the control knob 30 in order to offset the datum point defined by the element contained in the box by an amplitude proportional to the movement from the main position towards the auxiliary position.
Patent FR-2609626-A1 (FR)
Title: Armband protector for blood pressure apparatus and diaphragm protector for stethoscope
IPC: A61B19/02
Filed: 1987-01-15
Abstract: The armband protector consists of a strip approximately 18 cm in height, and approximately 50 cm long, with, at the centre, a semicircle of approximately 10 cm allowing the stethoscope to be positioned. It is made from a material which is very light, disposable, of the non-woven type The stethoscope diaphragm protector is a small pouch with a width of approximately 10 cm, held by a flexible piece of elastic, into which the diaphragm is introduced in order to protect it from contact with the skin. Very light disposable material of the non-woven type.
Patent FR-2601013-A1 (FR)
Title: Nouvelles quinazolinones tetracycliques, leur preparation et leur utilisation comme medicaments
Inventor: HARDTMANN GOETZ EDUARD
IPC: A61K31/505
Filed: 1987-02-09
Abstract: L'INVENTION A POUR OBJET LES COMPOSES DE FORMULEI: (CF DESSIN DANS BOPI) DANS LAQUELLE N SIGNIFIE 1 OU 2 ET P 0 OU 1. CES COMPOSES PEUVENT ETRE UTILISES COMME MEDICAMENTS.
Patent FR-2611217-A1 (FR)
Title: Dispositif de transformation d'un voile de grande largeur, constitue par une masse de fibres textiles, en un ruban de faible largeur, notamment pour une peigneuse rectiligne
IPC: D01G19/28
Filed: 1987-02-20
Abstract: LA PRESENTE INVENTION CONCERNE UN DISPOSITIF DE TRANSFORMATION D'UN VOILE DE GRANDE LARGEUR, CONSTITUE PAR UNE MASSE DE FIBRES TEXTILES, EN UN RUBAN DE FAIBLE LARGEUR, NOTAMMENT POUR UNE PEIGNEUSE RECTILIGNE, PRINCIPALEMENT CONSTITUE PAR UNE BANDE TRANSPORTEUSE 3 DUDIT VOILE 1, SURMONTEE D'UNE SURFACE DE RECOUVREMENT 4, DISPOSEE EN AMONT D'UN ENTONNOIR 5 ET EQUIPEE D'UN SYSTEME DE SOUFFLAGE SUR LE VOILE 1. DISPOSITIF CARACTERISE EN CE QU'IL EST POURVU DE MOYENS 6 PERFECTIONNES DE RAMASSAGE DU VOILE 1 ET D'ENROULEMENT REGULIER ET PROGRESSIF DES LISIERES 7 DUDIT VOILE 1, DE MANIERE A CONSOLIDER ET A RENFORCER SES BORDS 8 AFIN QUE LE RUBAN 2 OBTENU A PARTIR DE CE VOILE 1 SOIT COHERENT, REGULIER ET HOMOGENE.
Patent FR-2613121-A1 (FR)
Title: Interrupteur a cle verrouillable par actionneur
Inventor: BERTHAUD DENIS
IPC: F16P3/08
Filed: 1987-03-27
Abstract: UNE CLE 22, FIXEE PAR EXEMPLE A UNE PORTE DE COFFRET ELECTRIQUE, EST COULISSABLE DANS UN COULOIR 20 SELON UN AXE VV ET, PAR SON ERGOT 24, FAIT PIVOTER UNE CAME 14 LAISSANT REMONTER UN POUSSOIR 28, LIBERANT LUI-MEME UN DOIGT D'INTERRUPTEUR 9. UN ORGANE DE VERROUILLAGE 30 PEUT COOPERER AVEC UN EVIDEMENT 25 DE LA CLE 22 POUR BLOQUER CELLE-CI EN POSITION ENFONCEE. L'ORGANE DE VERROUILLAGE 30 APPARTIENT A UN COULISSEAU 27 LIE AU POUSSOIR 28. IL EST MOBILE ENTRE UNE POSITION DE VERROUILLAGE DANS LAQUELLE UNE GORGE 40 LAISSE CIRCULER LA CLE, ET UNE POSITION DE DEVERROUILLAGE DANS LAQUELLE L'ORGANE 30 EST ENGAGE DANS L'ENCOCHE 25. UNE EXTREMITE 37 DU COULISSEAU APPARAIT A L'EXTERIEUR POUR POUVOIR ETRE REPOUSSEE PAR UN ACTIONNEUR TEL QU'UN ELECTRO-AIMANT LORSQUE LA CLE PEUT ETRE EXTRAITE SANS DANGER OU INCONVENIENT. UTILISATION POUR SIMPLIFIER, REDUIRE L'ENCOMBREMENT ET MULTIPLIER LES POSSIBILITES D'INSTALLATION.
Patent FR-2613507-A1 (FR)
Title: Device for determining parameters linked to pregnancy
IPC: G06F19/00
Filed: 1987-04-03
Abstract: The device according to the invention exhibits the form of a pocket calculator including a numerical keyboard 2, a control keyboard 3 and a screen 4, the keys of the control keyboard making it possible to identify an item of data relating to pregnancy and to calculate the values in correlation with this input data item by virtue of a programmed microprocessor 5.
Patent FR-2614416-A1 (FR)
Title: Apparatus for measuring the weight of an object during its movement, and method of application to the measurement of the load on a vehicle axle
IPC: G01G19/03
Filed: 1987-04-24
Abstract: A loading tank 1 containing an incompressible liquid, has a planar bottom wall 6 and a convex upper wall 7 which is curved between two opposite longitudinal edges 6A, 6B in the direction of movement F1, F2 of an axle over this upper wall 7, the latter being elastically deformable and being provided with a pressure sensor 2, electrically connected to an electronic sampling board 3 belonging to a microcomputer 4 associated with a display apparatus 5, the load on the axle being determined with a maximum error of 20daN between 2 kN and 150 kN at a speed of up to 6km/h, on the basis of the variation in pressure inside the tank 1 when the axle passes.
Patent FR-2600478-A1 (FR)
Title: Procede et dispositif pour geler une image de television
Inventor: TOPPER ROBERT JOSEPH
IPC: H04N5/44
Filed: 1987-06-19
Abstract: L'INVENTION CONCERNE UN DISPOSITIF POUR GELER UNE IMAGE DE TELEVISION. SELON L'INVENTION, IL COMPREND UNE SOURCE D'UN SIGNAL VIDEO D'ENTREE REPRESENTANT L'IMAGE DE TELEVISION; UN PREMIER MOYEN 10 DE STOCKAGE D'UNE TRAME DE L'IMAGE DE TELEVISION; UN MOYEN COUPLE A LA SOURCE POUR PRODUIRE DES TRAMES SIMPLES SUCCESSIVES DE LIGNES INTERSTITIELLES INTERPOLEES DE TRAME DOUBLE DONT LE MOUVEMENT EST COMPENSE; UN SECOND MOYEN 20 DE STOCKAGE DE LA TRAME SIMPLE PRODUITE; ET UN MOYEN 40 COUPLE AUX DEUX MOYENS DE STOCKAGE POUR SEQUENCER DE MANIERE REPETITIVE DES LIGNES DES TRAMES SIMPLES VIDEO D'ENTREE STOCKEES ET DONT LE MOUVEMENT EST COMPENSE AFIN DE FORMER UN SIGNAL VIDEO REPRESENTANT UNE IMAGE DE TELEVISION GELEE. L'INVENTION S'APPLIQUE NOTAMMENT A LA TELEVISION.
Patent FR-2601303-A1 (FR)
Title: Dispositif de manoeuvre pour un toit ouvrant de vehicule dont le levier d'actionnement est relie avec le premier element de glissement.
Inventor: FURST ARPAD
IPC: B60J7/043
Filed: 1987-06-29
Abstract: A)DISPOSITIF DE MANOEUVRE POUR UN TOIT OUVRANT DE VEHICULE DONT LE LEVIER D'ACTIONNEMENT EST RELIE AVEC LE PREMIER ELEMENT DE GLISSEMENT. B)DISPOSITIF CARACTERISE EN CE QUE L'AUTRE EXTREMITE DU LEVIER DE MANOEUVRE39 EST RELIEE DE FACON ARTICULEE AVEC LE PREMIER ELEMENT DE GLISSEMENT25 SE TROUVANT SUR LE COTE DU TOIT CONCERNE, ET QUE LE PALIER ARTICULE (BROCHE D'ARTICULATION) RELIANT L'AUTRE EXTREMITE DU LEVIER DE MANOEUVRE39 AU PREMIER ELEMENT DE GLISSEMENT25 EST SITUE DANS LA POSITION DE FERMETURE DE LA DISPOSITION DE CALOTTE (CALOTTE 22), DE FACON ETANCHE SOUS LA DISPOSITION DE CALOTTE. C)L'INVENTION CONCERNE UN DISPOSITIF DE MANOEUVRE POUR UN TOIT OUVRANT DE VEHICULE DONT LE LEVIER D'ACTIONNEMENT EST RELIE AVEC LE PREMIER ELEMENT DE GLISSEMENT.
Patent FR-2618910-A1 (FR)
Title: Methode et dispositif pour ameliorer le coefficient de transmission aux formations geologiques de l'energie creee par une source sismique de puits
Inventor: MARIN ERIC
IPC: G01V1/047
Filed: 1987-07-28
Abstract: Méthode pour améliorer le coefficient de transmission à des formations géologiques, de l'énergie engendrée par le déclenchement d'une source sismique descendue à l'intérieur d'un puits ou forage et dispositif pour sa mise en oeuvre. On délimite par confinement une zone de puits contenant la source sismique de manière à arrêter la propagation du puits, hors de la zone confinée, de l'énergie qui y est engendrée par la source sismique, à son déclenchement. Le confinement est réalisé en obturant le puit de part et d'autre de la source sismique. On utilise deux organes expansibles 2, 3 disposés dans le puits de part et d'autre de la source 1 et comportant chacun par exemple une gaine réalisée en élastomère, un piston annulaire dont le déplacement a pour effet de dilater la gaine et des moyens hydrauliques pour déplacer le piston. Application à la prospection sismique dans les forages.
Patent FR-2602846-A1 (FR)
Title: Dispositif d'etancheite centrifuge sans contact pour un organe tournant de machine
IPC: F04D29/16
Filed: 1987-07-31
Abstract: ON PREVOIT, AUX POINTS A RENDRE ETANCHES, DES INTERSTICES CYLINDRIQUES CIRCULAIRES USUELS 10, 18. DES NERVURES HELICOIDALES 12 PLACEES SUR DES PAROIS DE RECOUVREMENT 7 DE LA ROUE A AUBES 2 INDUISENT DANS DES CHAMBRES DE TOURBILLONNEMENT 11 DES ECOULEMENTS TOURBILLONNAIRES QUI TOURNENT, COMME DES CORPS SOLIDES, EN MEME TEMPS QUE LA ROUE A AUBES 2, LE MOUVEMENT DE ROTATION DE PARTICULES DU FLUIDE DANS DES PLANS RADIAUX-AXIAUX SE REDUISANT A UNE MINCE COUCHE-LIMITE. CELA PRODUIT A L'EXTERIEUR DE LA ROUE A AUBES 2 DANS LES CHAMBRES DE TOURBILLONNEMENT 11 ENTRE LES INTESTICES 10, 18 A ETANCHER LE MEME GRADIENT DE PRESSION QU'A L'INTERIEUR DE LA ROUE A AUBES 2 SUR LA LONGUEUR DES CANAUX 4, CE QUI EMPECHE LES COURANTS DE FUITE.
Patent FR-2618866-A1 (FR)
Title: Transmission with planetary gear sets for vehicles with 2 driving axle assemblies
IPC: F16H37/04
Filed: 1987-07-31
Abstract: The invention relates to a mechanical power transmission making it possible to vary the speed in 5 steps without declutching over 3 ranges and to distribute the power to 2 driving axle assemblies. The device according to the figure consists of an elastic coupling 150 which, by means of a gearing set 151 delivers the power to the input of the box of planetary gear sets 152 which consists of a planetary gear set 154, 155, 156 and 157 which are mutually connected and can be engaged successively onto a receiving bell housing 158 making it possible to obtain the desired ratios. The receiving bell housing 158 transmits the power to one range box 153 with 3 ratios selected by synchronised dogs. The receiving shaft 161, connected to the satellite-gear carrier of the differential, distributes the power equally onto the front axle assembly shaft 159 and the rear axle assembly shaft 162, it being possible for the assembly to be joined by the dog 160. The device according to the invention is intended for the transmissions of agricultural or civil engineering works vehicles.
Patent FR-2619269-A1 (FR)
Title: Procede de codage numerique d'une base de donnees
Inventor: DEDIEU CHRISTIAN
IPC: H03M7/48
Filed: 1987-08-06
Abstract: Après avoir déterminé les fréquences d'apparition des données, on leur affecte des codes comportant respectivement des nombres de bits augmentant avec la diminution des fréquences. On affecte à au moins certaines des données les plus fréquentes des codes comportant au moins un bit de répétition et on adapte les codes à la statistique d'apparition des données. L'invention s'applique bien à la compression de données représentatives des couleurs d'un système d'imagerie.