baber/WOPTO huggingface dataset:
Patent FR-2550432-A1 (FR)
Title: Movable bar, particularly for offices and small-scale group accommodation.
IPC: A47B69/00
Filed: 1984-08-10
Abstract: The invention relates to a movable bar, which can be used, for example, in offices. The movable bar comprises a lower module 2 with several cells 3, of which at least one contains a refrigerating unit 4. The lower module 2 is surmounted by an upper module 5 containing a unit intended for the cooking, preparation and heating-up of foods and beverages. This unit 6 may, advantageously, consist of a microwave oven. Field of application: fitting-out of catering areas.
Patent FR-2569712-A1 (FR)
Title: Compositions de polycarbonates aromatiques a combustibilite retardee
Inventor: PERTHUIS JOEL
IPC: C08L1/00
Filed: 1984-08-30
Abstract: DES COMPOSITIONS A BASE DE POLYCARBONATES TRANSPARENTES ONT LEUR COMPORTEMENT AU FEU TRES AMELIORE SI ON LEUR INCORPORE DE FAIBLES QUANTITES D'URAZOLATES DE METAUX ALCALINS.
Patent FR-2570295-A1 (FR)
Title: Self-propelled system for the processing of coal in an open-cast mine
Inventor: LAMBERT JEAN-LUC
IPC: B03B5/42
Filed: 1984-09-17
Abstract: Self-propelled system for the processing of coal in an open-cast mine, including a framework 4 mounted on a platform 1 which can move with the advance of the cutting face of the mine. With a view to improving the winning (mining) conditions and to reduce the size of the equipment, the framework 4 supports a densimetric shale separator 8 and a crusher 11 of the de-shaled coal.
Patent FR-2570652-A1 (FR)
Title: Exercise bike wheel
IPC: A63B23/04
Filed: 1984-09-21
Abstract: The "exercise bike" wheel according to the invention comprises an annular tread strip 1 with lateral grooves in which there are fixed the peripheral edges 5 of two lateral flanges 4 bearing on one another via hollow bosses 11 passed through by fastening screws 13. The central portion 6 of the flanges 4 delimits the housing 7 in which studs 9 of the flange project. The wheel also comprises a hub with two lateral collars 23 having notches 27 in which there are housed the studs 9 of the flanges 4, so that the flanges are rotationally securely fastened to the hub, itself driven via a pinion 24, rotationally about the spindle 18 for fastening the wheel to a frame. An inertia flywheel 28 is housed between the two flanges 4. Application to the equipment of exercise bikes.
Patent FR-2570751-A1 (FR)
Title: Safety bar for shutters
IPC: E05C19/00
Filed: 1984-09-21
Abstract: Safety bar 3 for shutters 2 secured to the reveals 1 of a window, characterised in that it is capable also of acting as the rest bar 3' of the said window, and that to this end the bar is linked to the reveals 1 by securing means 4, 9 making it possible to place it either in the safety position 3, pressed against the shutter 2, or in the rest position 3' for the window. Application to windows with shutters pivotable around vertical hinges.
Patent FR-2575595-A1 (FR)
Title: Compressed gas high-voltage circuit breaker
Inventor: THURIES EDMOND
IPC: H01H33/90
Filed: 1985-01-02
Abstract: Compressed gas high-voltage circuit breaker. The subject of the invention is a compressed gas high-voltage circuit breaker of the type comprising, in an insulating cylindrical envelope 10, a fixed assembly and a moving assembly, both axisymmetric about the axis XX of the envelope, the said moving assembly comprising a main contact 13 and an arc contact 14, the said fixed assembly comprising a main contact and arc contacts 30, 31, 39, the fixed main contacts and the arc contacts of the fixed assembly delimiting a chamber 27 in which the pressure of the gas grows under the effect of the arc when the circuit breaker opens, characterised in that the arc contacts of the fixed assembly comprise two sets of contacts in series electrically, a first set of contacts 30 being placed on a first semi-movable rig and cooperating with the moving arc contact 14, and a second set of contacts 39 arranged on a second semi-movable rig 43 and cooperating with contacts 31 carried by the said first movable rig, the said second set being associated with means permitting separation from the first semi-movable rig only when the pressure in the said chamber 27 exceeds a given value while the circuit breaker is opening. Application to compressed gas circuit breakers.
Patent FR-2579965-A1 (FR)
IPC: B65H59/16
Filed: 1985-04-03
Abstract: The unit consists of a compensator with a position measuring installation, a winding cylinder mounted on a winding shaft and a package pressed against the winding cylinder fastened on the machine frame through a package arm. The winding cylinder equipped with friction coatings on the two front planes is positioned movable on the winding shaft. An electromagnet is located on one side of the winding cylinder while a spring is incorporated in a hollow space between the electromagnet and the winding cylinder. A friction brake is fastened on the other side of the winding cylinder. Pref. servo unit of the installation consists of a winding cylinder  The electromagnet located on the winding shaft is fed through a current conducting ring and a brush. The electromagnet incorporates a hollow space with a spring inside it. The brake is fixed to the machine frame with a fastening plate.
Patent FR-2562436-A1 (FR)
Title: Parlour game
IPC: A63F3/00
Filed: 1985-04-03
Abstract: The invention relates to a parlour game. This game presented in a box-case is characterised in that its physical elements consist of the lid of the box, of a foldable board comprising compartments 1, of symbols, of dice, of message cards, of tokens, of a cassette-case 3 and of a unit for recording throws of the dice and turns which have been taken. Application: table parlour game.
Patent FR-2564825-A1 (FR)
Title: Corps ou masses refractaires, en particulier pour le revetement de fours ou de recipients pour metaux fondus
Inventor: DASGUPTA NARESH BIKASH
IPC: C04B35/565
Filed: 1985-05-22
Abstract: L'INVENTION CONCERNE DES CORPS OU DES MASSES REFRACTAIRES, EN PARTICULIER POUR LE REVETEMENT DE FOURS OU DE RECIPIENTS POUR METAUX FONDUS, A BASE DE SILICATES D'ALUMINIUM, D'OXYDE D'ALUMINIUM, DE DIOXYDE DE SILICIUM, DE SILICATE DE ZIRCONIUM ET DE CARBURE DE SILICIUM, D'ADDITIFS USUELS ET DE LIANTS EN TANT QUE MELANGE INITIAL, ET DE CELSIAN (BAO . ALO . 2SIO) SELON LA DEMANDE DE BREVET FRANCAIS, AVEC ADDITION DE 2 A 20 EN POIDS D'OXYDE CHROMIQUE, CE QUI FAIT QUE L'ON PARVIENT A UNE TEMPERATURE D'UTILISATION ET A UNE RESISTANCE AU CHOC THERMIQUE ELEVEES.
Patent FR-2582314-A1 (FR)
Title: Dispersant compositions for hydrocarbons spread on water
Inventor: DURRIEU MARC
IPC: C09K23/00
Filed: 1985-05-24
Abstract: This dispersant composition comprises:   - 70 to 80 % by weight of a mixture comprising 40 to 70 % by weight of a polyalkoxylated phenolic resin, 55 to 5 % by weight of a polyalkoxylated alkylenediamine and 1 to 25 % by weight of a mixture of a metal dialkyl sulfosuccinate, water and ethanol; - and 30 to 20 % by weight of a solvent consisting of a dialkylene glycol alkyl ether. m
Patent FR-2586098-A1 (FR)
Title: Device for monitoring the elongation under tension of a bolt
Inventor: GODRIE YVES
IPC: B25B23/145
Filed: 1985-08-07
Abstract: The invention relates to the field of screw and bolt clamping apparatus. The device for monitoring and automatically controlling the elongation of a bolt 1 with respect to a gauge rod 2 is essentially characterised in that it comprises a sensor with feelers 6, 7 respectively on the adjacent ends 4, 5 of the said gauge rod and the said bolt, whose output is connected to a processing unit 17 in which there is introduced the set-point value of an elongation and a pressure not to be exceeded, the said unit constituting the control member of the means 11 for releasing and isolating a tension cylinder. Application to precision clamping apparatuses.
Patent FR-2571797-A1 (FR)
Title: Roulement a contact oblique a plusieurs rangees
Inventor: HARSDORFF ORTWIN
IPC: F16C33/60
Filed: 1985-10-10
Abstract: ROULEMENT A CONTACT OBLIQUE A PLUSIEURS RANGEES A DISPOSITION EN O COMPRENANT UNE BAGUE EXTERIEURE 1, DES ELEMENTS ROULANTS 2 ET DES BAGUES INTERIEURES 3 DIVISEES RADIALEMENT ET RACCORDEES AXIALEMENT AU MOYEN D'UNE BAGUE DE SERRAGE 5. LA BAGUE EXTERIEURE 1 DANS LA ZONE DE LA BAGUE DE SERRAGE 5 COMPORTE UN EVIDEMENT RADIAL 9 LA TRAVERSANT DE PART EN PART POUR LE PASSAGE D'UN OUTIL DE COUPE 10, LA BAGUE DE SERRAGE 5 ETANT REALISEE DE MANIERE A POUVOIR ETRE COUPEE LE LONG D'UNE LIGNE PERIPHERIQUE.
Patent FR-2590359-A1 (FR)
Title: Systeme pour le guidage automatique d'un missile et missile pourvu d'un tel systeme
Inventor: LEVEQUE MICHEL
IPC: G01S13/66
Filed: 1985-11-18
Abstract: SELON L'INVENTION, LE SYSTEME 2 EST POURVU D'UNE ANTENNE A BALAYAGE ELECTRONIQUE; IL EFFECTUE UN CLASSEMENT DES CIBLES PAR ORDRE DE PRIORITE ET ORIENTE LE MISSILE 1 PAR COMMANDE DES GOUVERNES 3 VERS LA CIBLE LA PLUS PRIORITAIRE. PENDANT LE CLASSEMENT, LE SYSTEME 2 FAIT VARIER LA DIRECTION D'AVANCE DUDIT MISSILE POUR CONSERVER LE PLUS LONGTEMPS POSSIBLE LESDITES CIBLES DANS SON DOMAINE D'ACTION D.
Patent FR-2574528-A1 (FR)
Title: Recepteur a volume creux pour rayonnement solaire concentre et procede de mise en oeuvre.
Inventor: MAYRHOFER OTTO
IPC: F24S20/20
Filed: 1985-11-29
Abstract: A)RECEPTEUR DE RAYONNEMENT, A VOLUME CREUX ET PROCEDE DE MISE EN OEUVRE. B)RECEPTEUR CARACTERISE PAR DES ORIFICES D'ASPIRATION4, 5 PREVUS DANS LA PAROI11 DU BOITIER1 DU RECEPTEUR, ORIFICES A TRAVERS LESQUELS ON ASPIRE L'AIR FROID PENETRANT DANS LE BOITIER A TRAVERS L'ORIFICE D'ENTREE2 DU RAYONNEMENT ET RELIE LE CAS ECHEANT A UNE MACHINE ASPIRANTE6 POUR ETRE DE NOUVEAU EVACUE A L'EXTERIEUR DU RECEPTEUR. C)L'INVENTION CONCERNE DES INSTALLATIONS D'ENERGIE SOLAIRES.
Patent FR-2591298-A1 (FR)
Title: Soundproofing and anti-vibration baseplate
IPC: G10K11/16
Filed: 1985-12-09
Abstract: Device making it possible to soundproof pianos with respect to the adjacent or neighbouring apartments with a noise attenuation coefficient of approximately 60%, without altering the sound of the instrument either in intensity or in quality. The device which forms the subject of the invention consists of a baseplate 1 approximately 6 cm high floating in all three directions on air cushions 3, which baseplate is interposed between the piano and the supporting floor. This device may apply to any heavy or lightweight appliance capable of transmitting undesired vibrations to the element supporting it (mechanical fans, machine tools, etc.).
Patent FR-2591933-A1 (FR)
Title: Method for manufacturing a very thin veneer made from cross-cut wood, composed of various types of woods
IPC: B27M3/04
Filed: 1985-12-19
Abstract: Method and device for obtaining thin sheets of veneer, of the order of two millimetres thickness, from cross-cut wood, starting from beams of wood reconstituted by successively bonded plies of various types of wood intermingled with one another.
Patent FR-2592601-A1 (FR)
Title: Procede et appareil pour nettoyer des canalisations.
IPC: B08B9/032
Filed: 1986-01-06
Abstract: Ce procédé pour nettoyer une canalisation 90 consiste à raccorder un dispositif de meulage 10 comportant une tubulure d'éjection 13 raccordée à un tuyau 16 d'amenée d'un matériau abrasif et qui projette un tel matériau en direction de la surface intérieure de la canalisation 90, un moteur électrique 23 entraînant en rotation ladite tubulure 13, un dispositif 33 incluant une caméra de télévision 37 pour délivrer un signal vidéo de l'état nettoyé de la surface intérieure de la canalisation, en direction de l'extérieur, et un dispositif d'éjection 40 raccordé à un tuyau 42 d'amenée d'air de refoulement de la poussière, et à nettoyer la canalisation, les tuyaux 16, 42 pouvant être tirés séparément pour faire avancer ou reculer l'ensemble de l'appareillage dans la canalisation. Application notamment au nettoyage de canalisations de très gros diamètre. (CF DESSIN DANS BOPI)
Patent FR-2594714-A1 (FR)
Title: Device for atomising and dispensing volatile substances, especially air fresheners
Inventor: GONCALVES ANTONIN
IPC: A61L9/14
Filed: 1986-02-26
Abstract: This device 1 includes a pressurised container 2 of the "aerosol can" type containing the substance to be dispensed and the associated propellant. The operation of the dispensing valve 5 of this container 2 is controlled by a hollow pusher 6 which includes at least one perforated-wall zone and which interacts translationally with the dispensing head 15 associated with the movable part of the dispensing valve 5. The pusher 6 serves as a housing for at least one absorbent element 7 which is intended to be impregnated by the substance which leaves the pressurised container via at least one passage 19 made in the dispensing head 15 and which is sprayed inside the pusher 6 onto a deflecting plate 35, before falling back onto the said absorbent element 7.
Patent FR-2597366-A1 (FR)
Title: Process for smoothing the surface of particles with nonuniform surface, especially of fertilisers and device for using this process
Inventor: THURING PAUL
IPC: C05G5/30
Filed: 1986-04-18
Abstract: This process for smoothing particles with a nonuniform surface, especially of fertilisers, consists in introducing these particles into a first smooth-walled part of a drum inside which these particles are set in relative motion by rotation of the drum while being sprayed with a slurry, in order to reduce the surface asperities of the particles and to coat them with the solid phase of the slurry, thus producing granules with a virtually smooth surface. The granules are then transferred into a second part of the drum, adjacent to the first, in which they are agitated and dried by air circulation. Application to the smoothing of particles originating from a compacting or a crushing operation.
Patent FR-2599348-A1 (FR)
Title: Device for conveying objects in a preferred direction
Inventor: CHEBIRI OLIVIER
IPC: B65G54/02
Filed: 1986-05-28
Abstract: The invention relates to a device for conveying objects in a preferred direction. It is characterised in that, although interacting with a chain, instead of consisting of a toothed wheel, the return member 9 consists of a substantially cylindrical simple roller 10 having a diameter which is at least sufficient to resist, without deformation, the forces due to the return of the endless chain with which it interacts. Application to the handling-equipment industry.
Patent FR-2584514-A1 (FR)
Title: Systeme d'identification personnelle utilisant une carte a circuit integre
Inventor: SUZUKI HIDEO
IPC: G07C9/00
Filed: 1986-07-04
Abstract: PLUSIEURS INFORMATIONS D'IDENTIFICATION SONT EMMAGASINEES A L'AVANCE DANS UN DISPOSITIF DE MEMOIRE 26, 29. UNE INFORMATION D'IDENTIFICATION SPECIFIQUE EMMAGASINEE DANS LA MEMOIRE 29 EST COMPAREE AVEC UNE INFORMATION D'IDENTIFICATION NIP INTRODUITE PAR LE POSSESSEUR DE LA CARTE A CIRCUIT INTEGRE. SI LA COMPARAISON REVELE UNE NON-COINCIDENCE ENTRE LES INFORMATIONS COMPAREES, LE POSSESSEUR DE LA CARTE INTRODUIT UN AUTRE ELEMENT D'INFORMATION D'IDENTIFICATION. CETTE INFORMATION EST COMPAREE AVEC LA DONNEE D'IDENTIFICATION CORRESPONDANTE PREEMMAGASINEE DANS LA MEMOIRE 26. S'IL Y A COINCIDENCE, IL EST ALORS DETERMINE QUE LE PORTEUR DE LA CARTE A CIRCUIT INTEGRE EN EST LE LEGITIME PROPRIETAIRE.
Patent FR-2601891-A1 (FR)
Title: Engraving machine
Inventor: JEAN JACQUES
IPC: B25B1/24
Filed: 1986-07-23
Abstract: The present invention relates to an engraving machine of the reproduction type. The machine according to the invention comprises a chassis 1, a means 2 for clamping the component or components 3 to be engraved, at least one template-holder 4 supporting the character or characters 5 to be reproduced and a deformable reproduction means 6 provided with at least one copying head 7, and with at least one engraving head 8, and is essentially characterised in that the chassis 1 over its whole height has an opening 18 passing right through it defining two integral vertical flanges 1A and 1B and in that the flanges 1A and 1B each carry a jaw 9 or 10 of the clamping means 2, facing one another in a parallel fashion.
Patent FR-2604003-A1 (FR)
Title: System for interconnecting identical or compatible computers
Inventor: DELISLE DOMINIQUE
IPC: H04L29/00
Filed: 1986-09-15
Abstract: The invention relates to a system for interconnecting identical or compatible computers. The system comprises, for each computer Oi, a duplicator circuit CDi for the control commands generated by the control elements towards the central unit UCi. Transmission means T are interconnected between the duplicator circuits CD of each computer and allow the exchange of control commands towards the duplicator circuit from one or the other of the computers Oi. Application to multi-user financial or accounting management, for computer-assisted training, and for the management of energy distribution.
Patent FR-2604099-A1 (FR)
Inventor: HUDAULT GERARD
IPC: B01F3/04
Filed: 1986-09-22
Abstract: The invention relates to an apparatus for dissolving alloy elements and dispersing gas in an aluminum bath comprising a vertical shaft (1) pierced along its axis by a duct (2) intended for passing the gas, connected in its upper part to a gas source and to a drive motor and comprising in its lower part which is immersed in the bath a disc (3) with the same axis as the shaft. It is characterized in that the disc is provided with blades (4) which extend along the generatrices of a right prism of parallelogrammatic section, have a rounded end, are inclined with respect to the horizontal at an angle of at most 45 degrees, have their faces between the two planes containing the upper and lower faces of the disc and are provided with axial orifices (7) connected to the duct (2) by a tubular passage (3). The apparatus permits the rapid production of alloys with a low proportion of alkaline elements therein, in particular in a transportation ladle.
Patent FR-2604057-A1 (FR)
Title: Removable rod holder for fishing rods
IPC: A01K97/08
Filed: 1986-09-23
Abstract: The invention relates to a rod holder for transporting a fishing rod by car. The rod holder comprises a sheath split into two parts 1 and 2, whose front part 1 slides over the rear part 2, which sheath is fixed at the front by means of a hook 9 on the windscreen 27, and at the rear by means of a suspension ring 10.
Patent FR-2591234-A1 (FR)
Title: Procede et appareil pour le traitement pyrometallurgique de materiaux finement divises
Inventor: PUSATERI JOHN F
IPC: C22B5/14
Filed: 1986-11-18
Abstract: L'invention concerne un procédé et un appareil pour le traitement pyrométallurgique de matériaux finement divisés. Le procédé utilise un réacteur 10 comportant deux branches verticales et coaxiales 12, 20 de réaction. Le procédé consiste à former dans la chambre supérieure des gaz réactionnels chauds, riches en combustible, à les faire passer par déversement dans la seconde chambre verticale dans laquelle le matériau finement divisé à traiter est introduit, et à faire réagir ce matériau avec les gaz réactionnels chauds. L'écoulement par déversement des gaz de la première dans la seconde chambre est obtenu par l'établissement d'une zone de brusque expansion à la jonction des deux chambres. Domaine d'application : réaction de métaux à partir de minerais, de concentrés, de résidus, de laitiers et autres matériaux finement divisés. (CF DESSIN DANS BOPI)
Patent FR-2609291-A1 (FR)
Title: Procede de biodegradation des sterols
Inventor: CHOSSON PATRICIA
IPC: C11B3/00
Filed: 1987-01-06
Abstract: L'INVENTION CONCERNE UN PROCEDE DE BIODEGRADATION DES STEROLS CONTENUS DANS UNE MATIERE GRASSE ALIMENTAIRE QUI CONSISTE A METTRE A INCUBER AU CONTACT DE LA MATIERE GRASSE DES BACTERIES CAPABLES DE DEGRADER LES STEROLS.
Patent FR-2609477-A1 (FR)
Title: Device for detecting the breakage of a yarn or other longitudinal material in movement
IPC: D03D51/20
Filed: 1987-01-14
Abstract: In this detection device, compressed air is sent under the web of yarns 1, and one yarn 10 is stretched transversely from one side of the web of yarns, 1, to the other. This yarn 10 is fixed, on the one hand, to a stationary point 11, and, on the other hand, to a hinged lever 12. When a yarn 1 breaks, it escapes, under the effect of the compressed air and strikes the yarn 10, which causes actuation of a switch, by means of the lever 12. A suction source 6 can also be provided, on the other side of the yarns 1, with respect to the compressed air source 5, in order to facilitate the movement of a yarn 1 which breaks. Particular application: detection of breakage of warp yarns in a weaving loom.
Patent FR-2593643-A1 (FR)
Title: Method of charging a lead-acid sealed storage battery
Inventor: HIRONAKA KENSUKE
IPC: H02J7/02
Filed: 1987-01-28
Abstract: The method of charging a lead-acid sealed storage battery is characterised in that it comprises the steps consisting in passing through the battery a current flowing in the direction opposite the direction of the charging current; and in then passing the charging current through the battery.
Patent FR-2596049-A1 (FR)
Title: Derives de dichloroaniline
Inventor: LUNTS LAWRENCE HENRY CHARLES
IPC: C07D213/30
Filed: 1987-02-11
Abstract: L'INVENTION A POUR OBJET DES COMPOSES DE FORMULE GENERALE I (CF DESSIN DANS BOPI) DANS LAQUELLE X REPRESENTE UNE LIAISON OU UNE CHAINE ALKYLENE EN C, ALCENYLENE EN C OU ALCYNYLENE EN C, ET Y REPRESENTE UNE LIAISON OU UNE CHAINE ALKYLENE EN C, ALCENYLENE EN C OU ALCYNYLENE EN C, A CONDITION QUE LA SOMME TOTALE DES ATOMES DE CARBONE DANS X ET Y NE SOIT PAS SUPERIEURE A 8; PY REPRESENTE UN GROUPE PYRIDYLE EVENTUELLEMENT SUBSTITUE PAR UN OU DEUX SUBSTITUANTS CHOISIS PARMI DES ATOMES D'HALOGENE, LES GROUPES HYDROXY, ALKYLE EN C ET ALKOXY EN C; ET R ET R REPRESENTENT CHACUN UN ATOME D'HYDROGENE OU UN GROUPE ALKYLE EN C, A CONDITION QUE LA SOMME TOTALE DES ATOMES DE CARBONE DANS R ET R NE SOIT PAS SUPERIEURE A 4; ET LEURS SELS ET SOLVATES (PAR EXEMPLE HYDRATES) PHYSIOLOGIQUEMENT ACCEPTABLES. LES COMPOSES ONT UNE ACTION STIMULANTE SUR LES RECEPTEURS B-ADRENERGIQUES ET PEUVENT ETRE UTILISES DANS LE TRAITEMENT DE MALADIES ASSOCIEES A L'OBSTRUCTION REVERSIBLE DES VOIES AERIENNES COMME L'ASTHME ET LA BRONCHITE CHRONIQUE.
Patent FR-2614446-A1 (FR)
Title: Indicator device for the analog display of a cyclic phenomenon
Inventor: RACHET FRANCIS
IPC: G04B19/26
Filed: 1987-04-22
Abstract: The present invention relates to an indicator device for the analog display of a cyclic phenomenon. This device includes a casing 10 joined to a strap 11 and containing a dial 12 provided with two reference marks 14 and 15 between which moves a hand 16 driven in rotation by a drive mechanism. The two reference marks 14 and 15 correspond to high tide and low tide respectively. A unit 13 for displaying the time, of the digital type, is housed in an aperture made in the dial 12. This device can be used for any cyclic phenomenon such as tides, biorhythms, etc.
Patent FR-2618512-A1 (FR)
Title: Poulie de variateur de vitesse
Inventor: BRASSE JEAN-JACQUES
IPC: F16H55/56
Filed: 1987-07-23
Abstract: L'invention concerne une poulie de variateur de vitesse. La poulie 10Acomporte deux flasques annulaires 15, 16 dont l'un 15 est mobile axialement sur un moyeu 12 sous le contrôle de moyens élastiques 20 constitués par au moins un diaphragme 21 enrobé d'un enrobage 22 en matière élastique. Une entretoise 60 en matière élastique est interposée entre le diaphragme 21 et une pièce d'appui 30 solidaire du moyeu 12. Vers son extrémité adjacente à la pièce d'appui 30, l'entretoise est encastrée dans un logement 65 ménagé dans la pièce d'appui. L'invention s'applique notamment à un variateur de vitesse de type piloté.