baber/WOPTO huggingface dataset:
Patent FR-2522659-A1 (FR)
Title: Nouveaux derives de cephalosporine, leur procede de preparation et composition anti-bacterienne les contenant
Inventor: ABURAKI SHIMPEI
IPC: C07D/
Filed: 1983-03-01
Abstract: L'INVENTION A TRAIT AU DOMAINE DE LA CHIMIE PHARMACEUTIQUE. ELLE CONCERNE DE NOUVEAUX DERIVES DE CEPHALOSPORINE DE FORMULE: (CF DESSIN DANS BOPI) DANS LAQUELLE R EST L'HYDROGENE OU UN GROUPE CLASSIQUE PROTEGEANT LA FONCTION AMINO ET R EST UN GROUPE ALKYLE A CHAINE DROITE OU RAMIFIEE EN C A C, ALLYLE, 2-BUTENYLE OU 3-BUTENYLE OU UN GROUPE ORGANIQUE, EVENTUELLEMENT CYCLO-ALKYLIDENIQUE PORTANT UNE FONCTION CARBOXYLE, LEURS SELS NON TOXIQUES PHARMACEUTIQUEMENT ACCEPTABLES, LEURS ESTERS PHYSIOLOGIQUEMENT HYDROLYSABLES ET LEURS PRODUITS DE SOLVATATION, AINSI QUE LEURS PROCEDES DE PREPARATION. LES NOUVEAUX DERIVES DE CEPHALOSPORINE SONT DOUES D'UNE PUISSANTE ACTIVITE ANTI-BACTERIENNE.
Patent FR-2542915-A1 (FR)
Title: Electronic component with dual adjustment, for example potentiometer
Inventor: SIVIERI ANDRE
IPC: H01C10/14
Filed: 1983-03-18
Abstract: The adjustable electronic component comprises a control member 6 connected directly to a moving contact 3. It furthermore comprises a second control member 13 connected to the moving contact 3 by way of a reducer device 12 and means 10 enabling the first control member 6 to be unfastened with respect to the second control member 13 when the first member is actuated, these means maintaining these two members fast with one another when the second control member is actuated. Use in particular for miniature potentiometers.
Patent FR-2544072-A1 (FR)
Title: Method for measuring external or internal volumes by computerised processing of images, and device for implementing this method
Inventor: LAGROST JEAN-MICHEL
IPC: G01F17/00
Filed: 1983-04-06
Abstract: The present invention relates to a method for measuring external and internal volumes by computerised processing of images, and to a device for implementing this method. The measurement method essentially comprises the capture, analog-to-digital conversion and storage, in the form of a matrix of "elementary points", of 180/ alpha shots of a volume V, alpha being the angle of relative rotation between the volume V and an image-capture system C, and the computerised computation of 180/ alpha volume portions V which can be deduced by the computerised processing of the 180/ alpha shots, the computer system SI giving the summation of the partial results of these calculations. A measurement device comprises a rotating plate P for supporting the said volume V, a frame D, a radiation source SR, a stationary image-capture system C, and a computer system SI with display and printing of the results. Application to measuring external or internal volumes.
Patent FR-2546064-A1 (FR)
Title: Magnesium-based effervescent pharmaceutical composition
Inventor: COUZINIER JEAN-PIERRE
IPC: A61K9/46
Filed: 1983-05-20
Abstract: The invention relates to a magnesium-based effervescent pharmaceutical composition. The pharmaceutical composition according to the invention contains as active principle an effective amount of magnesium, especially in the form of carbonate or hydroxycarbonate, in combination with a non-toxic organic acid.
Patent FR-2546027-A1 (FR)
Title: Spreading device for powdered substance
IPC: A01C15/00
Filed: 1983-05-20
Abstract: Spreading device for a powdered substance, of the type combined with a vehicle 3 and comprising a container 2. According to the invention, the device is noteworthy in that it comprises means for generating a partial vacuum 8 in the internal volume of the container, the latter being capable of being closed in a substantially sealed manner and means 11 for sucking up the substance 12 arranged so that the volume of the container 2 forms an intermediate airlock between the substance 12 and the partial-vacuum generating means 8. Loading and spreading powdered substances, such as fertiliser.
Patent FR-2547543-A1 (FR)
Title: Housing for vehicle heater-air conditioner unit
Inventor: GUILLEMIN JEAN
IPC: B60H1/00
Filed: 1983-06-20
Abstract: The housing for a heater unit for vehicles has an inlet channel (10) which separates into a branch (35) incorporating a heat exchanger unit (18) passing air from the heat exchanger into a mixer chamber (30) and a branch (28) direct to the mixer chamber (30) in which is an upper outlet (32) and two side outlets (34). The flow of air between the two branches can be controlled by a control flap (40). A bypass channel (44) is incorporated to pass air round the heat exchanger (18) to the mixer chamber and outlets (32,34). The control flap (40) is so formed that the bypass channel is closed when either branch is fully closed but open when in any intermediate position.
Patent FR-2548876-A1 (FR)
Title: Heeled article of footwear made from plastic
Inventor: DORGET DOMINIQUE
IPC: A43B1/14
Filed: 1983-07-13
Abstract: The article of footwear, of the clog type, made from plastic, comprises a moulded shell 1 forming the outer envelope of the article of footwear and a removable inner sole (insole) 2 which is also moulded. The inner sole 2 includes a heel 8 moulded in a single piece with the latter and the shell 1 includes, inside its own heel, a housing 3 which receives the heel 8 of the sole 2 so as to immobilise the latter in the said shell. Use of the article of footwear particularly in a hospital environment.
Patent FR-2549090-A1 (FR)
Title: Process for protecting a metal surface by electrolytic deposition of a thick layer of microfissured chromium and articles obtained
Inventor: GOILLOT CLAUDE
IPC: C25D3/04
Filed: 1983-07-13
Abstract: Process for protecting a metal surface by deposition of a thick monolayer of microfissured chromium, characterised in that the microfissured chromium monolayer has a thickness of at least approximately 10 microns, the chromium monolayer in the crude state as deposited exhibits between 1000 and 40,000 fissures per square millimetre, the chromium monolayer is obtained by electrolysis at a temperature above 40 DEG C, preferably close to 50 DEG C and with a current density of 20 to 55 A/dm<2>, preferably from 25 to 35 A/dm<2>, of a solution free from fluorine ions containing approximately from 100 to 400 g/l of chromic acid, a quantity of sulphate ions such that CrO3/SO4 is between 90 and 110 and a quantity of a soluble selenium compound of between 3 and 15 ppm (expressed as selenium).
Patent FR-2532391-A1 (FR)
Title: Vanne de regulation avec un actionneur electromagnetique a action continue
Inventor: MAYER HANS MICHAEL
IPC: F16K31/06
Filed: 1983-08-30
Abstract: VANNE DE REGULATION AVEC UN ACTIONNEUR ELECTROMAGNETIQUE CONTINU 14 QUI, A L'AIDE D'UN POUSSOIR 20, DEPLACE DANS LE CORPS 10 UN OBTURATEUR 16 PAR RAPPORT A UN SIEGE 22, CONTRE LA FORCE D'UN RESSORT DE RAPPEL 18. LA COMPENSATION STATIQUE DE LA PERTE DE CHARGE DANS LA VANNE EST ASSUREE PAR UN SOUFFLET. L'ORIFICE DU SIEGE 22 ET L'OBTURATEUR 16 S'EVASENT CONIQUEMENT SUIVANT LE SENS D'ECOULEMENT, DE FACON QUE L'ESPACE ANNULAIRE FORME PRESENTE DANS LA VANNE OUVERTE UNE SECTION SENSIBLEMENT CONSTANTE. LA VANNE SELON L'INVENTION GARANTIT UN DEBIT CONSTANT POUR UNE COURSE CONSTANTE, INDEPENDAMMENT DE LA PERTE DE CHARGE DANS LA VANNE SUR LA PLAGE DE FONCTIONNEMENT.
Patent FR-2551884-A1 (FR)
Title: Process for manufacturing a monomode optical fibre having linear-polarisation constancy and implementation device
Inventor: WEHR MURYEL
IPC: C03B37/018
Filed: 1983-09-13
Abstract: The invention relates to processes for manufacturing optical fibre having linear-polarisation constancy for a guided lightwave, of the type comprising a step for forming a preform by necking-down (diameter reduction) from a tube 1 inside which are deposited silica and dopants intended to form core and cladding regions of the optical fibre after drawing down the preform. According to the invention, before necking down (diameter reduction), a partial vacuum is created inside the tube 1, with the aid of a member 26 for generating a partial vacuum using the Venturi effect, and the dopants are selected so that the expansion coefficients and softening temperatures, respectively of the core and claddings, are in predetermined ratios so as to obtain core and cladding sections of various shapes.
Patent FR-2555148-A1 (FR)
IPC: B65G65/46
Filed: 1983-11-22
Abstract: An extraction device for silos with a circular floor having an opening in the form of a central funnel is disclosed. An endless screw having one end positioned centrally with respect to the opening in the silo floor is adapted to sweep angularly over the floor, bringing the product contained in the silo towards the central funnel for evacuation of the product onto a conveyor positioned beneath the floor of the silo. A cross-piece extends across the central funnel opening, providing a rigid mount for a central support. A protective cover, generally conical in form, is fixed to the central support. The protective cover overlaps the central opening and covers a first motor adapted to drive the screw about its axis. A fixed ring is connected to the protective cover. A rotating ring is mounted for rotation to the fixed ring along a circular bearing surface. The rotating ring supports the endless screw and its motor. A second motor is provided to drive the rotating ring with respect to the fixed ring for producing the angular sweeping movement of the screw across the silo floor.
Patent FR-2555840-A1 (FR)
Title: Safety AC switch without auxiliary supply
Inventor: QUEVEAU GERARD
IPC: H03K17/723
Filed: 1983-11-25
Abstract: The invention relates to a switch for an AC network intended to supply a load 1, by way of a full-wave controlled rectifier 4 connected in series with the said load. The problem posed is to isolate the control device from the AC network and to reduce the cost price. The switch according to the invention includes a high-frequency relaxation circuit 5, 7 supplied in parallel with the AC network by way of a ballast impedance 5, and a magnetic circuit 9, with highly insulated windings comprising a primary winding 8, supplied by the abovementioned relaxation circuit, a secondary winding 11 connected to the control electrode of the abovementioned controlled rectifier 4, and a control winding 12 to which is connected a switch 13. Application to domestic installations.
Patent FR-2555825-A1 (FR)
Title: Connecteur electrique a fiche arrachable
IPC: H01R13/633
Filed: 1983-11-29
Abstract: A.CONNECTEUR ELECTRIQUE A FICHE ARRACHABLE. B.CONNECTEUR CARACTERISE EN CE QUE L'EMBASE COMPORTE UN ORGANE DE VERROUILLAGE 15 DESTINE A RETENIR LE BORD DU VERROU DE LA FICHE, CET ORGANE DE VERROUILLAGE 15 ETANT ESCAMOTABLE SOUS L'ACTION D'UNE FORCE D'OUVERTURE AXIALE DU CONNECTEUR, FORCE TRANSMISE AU VERROU ET DEPASSANT UN SEUIL DETERMINE. C.L'INVENTION CONCERNE LE RACCORDEMENT DE CABLES ELECTRIQUES OU ANALOGUES.
Patent FR-2555662-A1 (FR)
Title: Method for cooling exhaust valves of reciprocating internal combustion engines, means for the purpose of implementing the method and engines provided with these means
Inventor: TACQUET MAURICE
IPC: F01L3/12
Filed: 1983-11-25
Abstract: The invention relates to a method for cooling exhaust valves of reciprocating internal combustion engines. It is characterised in that the cams 18 of the exhaust valves 14 are designed so that the exhaust valve 14 is kept slightly open during the beginning of the compression phase, as a result of which it is with the pressure due to this start of compression that part of the fresh gases which have been brought in during the inlet phase are then propelled onto the walls of the exhaust valve 14 and of its seat 16. Application to the mechanical industry and particularly to the construction of two- and four-stroke internal combustion engines.
Patent FR-2545907-A1 (FR)
Title: Distorting connection to water pipe
IPC: F16L35/00
Filed: 1983-12-07
Abstract: The distorting pipe connection is particularly for a consumer unit to a water-supply pipe. It comprises a tubular metal bellows (4) with a number of U-section annular shoulders (5) and containing an insert extending for part at least of its lenqth. The insert can be fixed to the bellows at one end at least, and can incorporate a coil spring (19) coaxial to the bellows and fixed to it at the ends. The OD can be approx. equal to the ID of the bellows, it being secured by holders at its ends to the latter.
Patent FR-2556722-A1 (FR)
Inventor: BOHUON CLAUDE
IPC: C07D213/82
Filed: 1983-12-15
Abstract: The present invention relates to N-valproyl-nicotinamide as a new industrial product. Said product is useful in therapy particularly as an anticonvulsive agent. The best mode of preparation comprises the reaction of nicotinamide with valproyl chloride in the presence of pyridine.
Patent FR-2541443-A1 (FR)
Title: Couche d'etoffe pour coque de casque et son procede de realisation
Inventor: GRICK SHELY J
IPC: A42C2/00
Filed: 1984-02-22
Abstract: L'INVENTION CONCERNE UNE COUCHE POUR COQUES DE CASQUES. ELLE SE RAPPORTE A UNE COUCHE D'ETOFFE FORMEE DE PLUSIEURS PIECES 10 AYANT CHACUNE UNE POINTE ET UN BORD COURBE 14. TOUTES LES POINTES SONT MISES EN CONTACT ET FIXEES PAR UNE PIECE 18. LORSQUE L'ENSEMBLE EST MIS A UNE CONFIGURATION HEMISPHERIQUE, LES BORDS DES DIFFERENTES PIECES SONT PRATIQUEMENT EN BUTEE SANS SE RECOUVRIR. APPLICATION A LA FABRICATION DES CASQUES DE COMBAT.
Patent FR-2559929-A1 (FR)
Title: Device for automatic computer-based centralisation of the maintenance of mobile plant
IPC: G06F17/40
Filed: 1984-02-20
Abstract: Device for automatic computer-based centralisation of the maintenance of mobile plant. The invention relates to an automatic device permitting: - prevention of breakdowns, by the detection of the start of an anomaly in an element, the precise instructions for the driver and the monitoring of their application. - the programming and the operations of servicing, with automatic pick-up of parameters (km, hours). This device is constituted by detection probes S1, S2, S3, Sn and 2, of a programmable automatic unit 3 which recovers and stores the anomaly and the servicing parameters, by a mimic diagram 4 which warns the driver, by a UHF "transmitter-receiver (transceiver)" transmission 5, 6 for automatic transmission of the information and directives; the whole assembly being associated with a computer for processing this information. The device according to the invention is particularly intended for businesses having a fleet of plant available, in order to automatically provide for their maintenance in a reliable and systematic way.
Patent FR-2561922-A1 (FR)
Inventor: LAPEYRE DIDIER
IPC: A61M1/00
Filed: 1984-04-02
Abstract: A device for a traumatic access to a blood vessel of a living organism through the cutaneous surface thereof. The device includes in combination an implantable device comprising a tubular segment for access to the blood vessel; a valving element for the tubular segment; a mechanism for controlling the blood flow through the valving element; a cover for sealing the proximal end of the tubular segment in the absence of the blood control mechanism; and a porous coating adapted to be colonized by tissue ingrowth and at least partially surrounding the implantable device. The porous coating is formed from a carbon-carbon composite material comprising a reinforcement formed from a carbon fiber porous substrate embedded in a carbonaceous matrix design to densify only partially the fiber substrate while connecting the carbon fibers together.
Patent FR-2544868-A1 (FR)
Title: Systeme de telemetrie acoustique
Inventor: MILLER GABRIEL LORIMER
IPC: G01S15/08
Filed: 1984-04-16
Abstract: L'INVENTION CONCERNE LA TELEMETRIE ACOUSTIQUE. UN TRANSDUCTEUR ACOUSTIQUE 100 EST CONNECTE A UN CIRCUIT OTA1, OTA2 DONT LA CONDUCTANCE EST FONCTION DU TEMPS ET PEUT ETRE COMMANDEE DE FACON ELECTRONIQUE. ON PEUT AINSI APPLIQUER RAPIDEMENT L'ENERGIE D'EXCITATION AU TRANSDUCTEUR ET AU CIRCUIT ASSOCIE, ET AMORTIR ENSUITE RAPIDEMENT CETTE ENERGIE POUR RAMENER RAPIDEMENT LE TRANSDUCTEUR DANS UN ETAT DE REPOS. LE CYCLE DE RECEPTION DU TRANSDUCTEUR PEUT DONC COMMENCER PLUS RAPIDEMENT APRES LA FIN DU CYCLE D'EMISSION, CE QUI PERMET DE MESURER LA DISTANCE D'OBJETS PLUS PROCHES. APPLICATION A LA ROBOTIQUE.
Patent FR-2564065-A1 (FR)
Title: Feed device for cartoning machine
Inventor: LUBIN PIERRE LOUIS
IPC: B65H1/30
Filed: 1984-05-11
Abstract: This feed device for a cartoning machine of the type comprising a horizontal endless conveyor 21 entraining a row of flattened cases 22 which are inclined at approximately 45 DEG comprises at the exit end of the conveyor 21 a straight channel 20 which is inclined by an angle of between approximately 45 DEG and 60 DEG , and means 23 arranged between the entry of the said channel and the exit end of the said conveyor above the entry of the said channel in order to automatically control the operation of the conveyor in a discontinuous manner in order to match the withdrawal of the cases at the exit of the channel 20. The conveyor 21 consists of at least three flexible cables which extend around the return idler of the conveyor through slots made in the lower wall 31 of the channel 20 which is flush with a plate for supporting the said cables.
Patent FR-2546304-A1 (FR)
Title: Capteur de mesure de courant pour le controle de fonctionnement d'appareils consommateurs electriques, notamment dans un vehicule automobile
Inventor: FORKEL WERNER
IPC: G01R15/18
Filed: 1984-05-17
Abstract: L'INVENTION CONCERNE UN CAPTEUR DE MESURE DE COURANT POUR UN CONTROLE DE FONCTIONNEMENT D'APPAREILS CONSOMMATEURS ELECTRIQUES, NOTAMMENT DANS UN VEHICULE AUTOMOBILE. LE CAPTEUR COMPORTE UN NOYAU ANNULAIRE 2 PORTANT UN ENROULEMENT 3, POUVANT ETRE PLACE AUTOUR DU CONDUCTEUR D'ALIMENTATION DE L'APPAREIL CONSOMMATEUR ET SE COMPOSANT D'UN ALLIAGE AMORPHE, EXEMPT DE MAGNETOSTRICTION ET A FORTE TENEUR EN COBALT, CE NOYAU ETANT REALISE SOUS LA FORME D'UNE BANDE PLATE ISOLEE 2 DONT LES EXTREMITES 2, 2 SE RECOUVRENT, L'ENROULEMENT ET LA BANDE PLATE ETANT ENROBES D'UNE MATIERE ISOLANTE.
Patent FR-2568947-A1 (FR)
Title: Mini generator of electricity by recovery of the energy from the swell
IPC: F03B13/20
Filed: 1984-08-08
Abstract: Mini generator of electricity by recovery of the energy from the swell. A sealed casing encloses a fixed plate 1 equipped with a circle of coils on cores 2 facing which magnets 5 fixed to a rotating plate 4 form an alternator. At the centre of the plate 1 a vertical spindle 3 serves as a pivot for the plate 4, as a support for the fixed disc 9 then, at its top, for a bearing supporting a rotating arm 10. At the end of this arm a fixed wheel 8 matched with a free wheel 7 turns freely. At the other side of the arm a free wheel 6 and then a weight 11 are mounted. The free wheels 6 and 7 engage on the plate 4. When the weight 11 turns in the clockwise direction the arm 10 pivots in the same direction, the free wheel 6 being in blocked mode drives the plate 4 which produces electricity in the coils 2. When the weight 11 sets off in the opposite direction the wheel 6 freewheels while 8 drives 7 which, being in blocked mode, drives the plate 4 still in the same direction. The device according to the invention is intended to supply power to marine buoys of all types, as well as to persons shipwrecked at sea, or to lifeboats.
Patent FR-2570747-A1 (FR)
Title: Security procedure and system for strongrooms
Inventor: BERTHELOT JEAN-LUC
IPC: E05G1/10
Filed: 1984-09-26
Abstract: The doors 7 of the safes are equipped with electromagnetic locks 13, each controlled from a central keyboard 15 allowing only one door to open at a time. An anomaly detector 23 transmits its signal to an inhibitor device 21 which makes all the keys 17 of the keyboard 15 inoperative. The invention is used for improving the break-in security of strongrooms containing individual compartments.
Patent FR-2552756-A1 (FR)
Title: Compositions refractaires ameliorees resistant aux alcalins
Inventor: ROWLAND GEORGE ROBERT
IPC: C04B35/101
Filed: 1984-09-27
Abstract: L'INVENTION SE RAPPORTE AUX MATERIAUX REFRACTAIRES. ELLE CONCERNE NOTAMMENT UN PROCEDE DE FABRICATION D'UN MATERIAU REFRACTAIRE RESISTANT AUX VAPEURS ALCALINES, CARACTERISE EN CE QU'ON FORME UN MELANGE COMPRENANT, COMME CONSTITUANTS ESSENTIELS, 10 A 16 DE SILICE, 67 A 75 D'ALUMINE ET 14 A 20 DE ZIRCONE, LA SILICE ETANT ESSENTIELLEMENT FIXEE DANS LE ZIRCON; ON CONVERTIT CE MELANGE EN UNE MASSE MOULABLE, ET ON MOULE CETTE MASSE EN UN REFRACTAIRE FACONNE. UTILISATION DANS LES FOURS A VERRE.
Patent FR-2573390-A1 (FR)
Title: Stackable crate for fruit and vegetables
IPC: B65D21/02
Filed: 1984-11-22
Abstract: This crate comprising on the one hand a surround formed from two large lateral sides whose ends are fixed to two small sides and, on the other hand, a bottom constituted by slats or planks, is characterised by means allowing the stacking of similar crates. This stacking is achieved by the fact that, on the one hand, the top part of these small sides PC comprises at least one indentation Ec limited laterally by vertical planes EC1-EC2 and, on the other hand, at least one bottom plank arranged such that its edges are substantially disposed in the vertical planes EC1-EC2, in such a way as to be able to lodge with practically no play in the corresponding indentation EC of the crate placed immediately below.
Patent FR-2563169-A1 (FR)
Title: Appareil de commande pour la transmission d'un vehicule
Inventor: PAGE ROBERT PAUL
IPC: F16D48/06
Filed: 1984-12-14
Abstract: APPAREIL DE COMMANDE DE LA TRANSMISSION D'UN VEHICULE, DANS LEQUEL L'EMBRAYAGE 13 EST COMMANDE PAR UN DISPOSITIF D'ACTIONNEMENT COMPRENANT UN CYLINDRE 19 AUQUEL UN FLUIDE PEUT ETRE DISTRIBUE PAR L'INTERMEDIAIRE DE VANNES 22, 23. LES VANNES SONT COMMANDEES POUR FOURNIR AU MOINS DEUX PHASES DE L'ENGAGEMENT DE L'EMBRAYAGE. DANS LA PREMIERE PHASE, LES VANNES SONT COMMANDEES PAR UN MICRO-PROCESSEUR 27 DE SORTE QUE L'EMBRAYAGE COMMENCE A TRANSMETTRE UN FAIBLE COUPLE. CETTE PHASE EST SUIVIE D'UNE AUTRE PHASE DANS LAQUELLE, SI LES FREINS DU VEHICULE SONT SERRES, L'EMBRAYAGE EST COMMANDE SUIVANT LA LOI E KDNDT, OU E EST EGAL A L'ERREUR QUE L'APPAREIL DE COMMANDE VISE A REDUIRE, N EST LA VITESSE DU MOTEUR, T LE TEMPS ET K UNE CONSTANTE. SI LES FREINS NE SONT PAS SERRES OU LORSQU'ILS SONT DESSERRES L'EMBRAYAGE EST COMMANDE DE FACON A COMMANDER L'ACCELERATION DU MOTEUR AVEC L'UN DE PLUSIEURS DEBITS CONSTANTS.
Patent FR-2575323-A1 (FR)
Title: Compressed-gas circuit breaker
Inventor: PHAM DOAN VAN
IPC: H01H33/90
Filed: 1984-12-20
Abstract: The subject of the invention is a compressed-gas circuit breaker including, in an envelope 70, on the one hand a blasting device comprising a piston 12, a cylinder 13 and a first annular blast orifice 10B for sending a jet of compressed gas into the region in which there is formed, on separation of a fixed arc contact 2 and of a moving arc contact 7, an electric arc, and on the other hand a volume 9 situated near the arc region, the gas from which can heat up under the action of the arc and later expand through a second annular orifice 10A heading for the arc region, the said first annular orifice 10B being delimited by an annular nozzle 4 and the end of an annular deflector 5A, the said volume 9 being delimited by the said deflector and a metal tubular element 28 integral with the moving arc contact and galvanically linked with it, the second annular orifice 10A being defined by the said nozzle and the end of the said tubular element, characterised in that the end 5C of the deflector follows the shape of the nozzle and is separated from it by a distance of between 0.5 and 2 mm. Application to high-voltage circuit breakers.
Patent FR-2576631-A1 (FR)
Title: Safety closing device for a door or other wing
IPC: E05B47/00
Filed: 1985-01-30
Abstract: Safety closing device for a door 1 or other wing held in a fixed frame 2, 3, 4, characterised in that it comprises a set of vertical 16, 18 and horizontal 17 plates secured along the edge of the fixed frame 2, 3, 4 on at least one of its faces, and means making it possible to cause the plates 16, 17, 18 to slide partially from a high position to a low position covering the periphery of at least one of the faces of the door 1, thus preventing any movement of said door 1 in the opening direction(s).