baber/WOPTO huggingface dataset:
Patent FR-2535878-A1 (FR)
Title: Training digital time autocommutator.
IPC: H04Q11/04
Filed: 1982-11-09
Abstract: Time division multiplex digital commutation device, intended for teaching time commutation comprising a time computation network proper 1 having a control memory, means 2 for defining a frame and time channels, subscriber line matching units 0, 1... 15. codecs 0, 1... 15 associated with the said matching units, ringing 8 and tone 7 signal generators, a microprocessor 4. It is characterised in that it further comprises a telephone peripheral interface 3 and an attached matching unit device 6, which respectively receive from the microprocessor 4 an instruction word and the address of a designated matching unit, in that the attached matching unit device 6 decodes the address of the designated matching unit received from the microprocessor, tests the state of the designated matching unit, terminal 507, and selectively applies to the said matching unit, terminal 504, the ringing signal originating from the ringing generator 8.
Patent FR-2516323-A1 (FR)
Title: Circuit servant a convertir un signal d'information en un signal rectangulaire
Inventor: IMMINK KORNELS ANTONIE SCHOUHA
IPC: G11B7/00
Filed: 1982-11-10
Abstract: POUR CONVERTIR EN UN SIGNAL RECTANGULAIRE UN SIGNAL LU SUR UN SUPPORT D'INFORMATION, ON UTILISE UN CIRCUIT DE SEUIL 2 DONT LA VALEUR DE SORTIE EST DETERMINEE PAR UN SIGNAL DE REFERENCE VR. CE SIGNAL DE REFERENCE VR EST DEDUIT DE LA COMPOSANTE DE COURANT CONTINU DU SIGNAL CONVERTI. LORS D'UNE INTERRUPTION DU SIGNAL LU, CE SIGNAL DE REFERENCE VR EST MAINTENU AU NIVEAU QU'IL PRESENTAIT AVANT L'APPARITION DE L'INTERRUPTION DE SIGNAL. APPLICATIONS: LECTURE DE DISQUES VIDEO OU AUDIO NUMERIQUES.
Patent FR-2536650-A1 (FR)
Title: Fireguard.
Inventor: CROQUET FRANCOIS
IPC: A47G5/04
Filed: 1982-11-29
Abstract: Fireguard characterised in that it consists essentially of a screen 1 of transparent refractory material and of a support device 2 on which it is mounted so as to be able to pivot. This refractory material preferably consists of a glass-ceramic. The support device essentially consists of two stirrup pieces 3, and the two lateral pivots 4, 5, whose stop means are invisible from the outside, permit both orientation of the screen 1 and folding of the two stirrup pieces 3 against one another.
Patent FR-2515514-A1 (FR)
Title: Dentifrice
Inventor: KIOZPEOPLOU DIANA
IPC: A61K8/26
Filed: 1982-12-13
Abstract: L'INVENTION CONCERNE DES DENTIFRICES QUI CONTIENNENT UN VEHICULE LIQUIDE COMPRENANT DU MALTITOL ET DE L'EAU ET UN AGENT DE POLISSAGE CONSTITUE D'UN ALUMINOSILICATE DE METAL ALCALIN COMPLEXE.
Patent FR-2519229-A1 (FR)
Title: Machine pour travailler le sol combinee avec un distributeur de matieres
Inventor: DER LELY ARY VAN
IPC: A01C5/00
Filed: 1983-01-14
Abstract: MACHINE POUR TRAVAILLER LE SOL, MUNIE D'UN AXE HORIZONTAL, PORTANT DES ORGANES DE TRAVAIL, TOURNANT DANS LE SOL DANS LA DIRECTION D'AVANCEMENT DE LA MACHINE, CET AXE ETANT ORIENTE PERPENDICULAIREMENT A LA DIRECTION DE L'AVANCEMENT ET PRATIQUEMENT HORIZONTAL, L'AXE ET LES ORGANES DE TRAVAIL ETANT, AU MOINS PARTIELLEMENT, ENTOURES PAR UN CAPOT DE PROTECTION, CETTE MACHINE COMPRENANT UNE GRILLE 22, DISPOSEE EN ARRIERE DES ORGANES DE TRAVAIL DE MANIERE QUE LA TERRE SOIT PROJETEE CONTRE CETTE GRILLE, CARACTERISEE EN CE QUE LA MACHINE COMPORTE UN RESERVOIR 35 CONTENANT DES MATIERES DESTINEES A ETRE INTRODUITES DANS OU SUR LE SOL, CE RESERVOIR 35 ETANT PLACE AU-DESSUS DES ORGANES DE TRAVAIL ET SE VIDANT PAR DES CONDUITES D'AMENEE 56 POUR LA MATIERE, QUI SONT SITUEES EN ARRIERE DE LADITE GRILLE 22.
Patent FR-2540457-A1 (FR)
Title: Device for compensating for drift by lateral dampers of a pivoting mast
IPC: B63B15/02
Filed: 1983-02-03
Abstract: The subject of the invention relates to a device for compensating for drift by lateral dampers of a pivoting mast. It consists of the combination of the articulation 10 of the base of the mast allowing it transverse oscillation with flexible half-tensioned attachments 6, 7 of the shrouds 1, 2, 3, 4 linking it to the hull. It is intended to allow improved stability, sailing versatility, speed of movement as well as better directional stability for a sailing boat.
Patent FR-2521466-A1 (FR)
Title: Outil de coupe et sa monture
IPC: B27L11/00
Filed: 1983-02-11
Abstract: L'INVENTION PROPOSE UN OUTIL DE COUPE ET LA MONTURE ASSURANT SON MAINTIEN SUR UN PORTE-OUTILS, L'OUTIL ETANT EN FORME GENERALE DE CYLINDRE DROIT PRESENTANT UNE ARETE DE COUPE A L'UNE AU MOINS DE SES EXTREMITES. L'OUTIL 11 PRESENTE AU MOINS UNE RAINURE ANNULAIRE 17 CIRCONFERENTIELLE SITUEE DANS UN PLAN RADIAL ENTRE SES EXTREMITES. LA MONTURE COMPORTE UN EVIDEMENT EN CYLINDRE PARTIEL 22, MENAGE DANS LE PORTE-OUTILS 20, PRESENTANT UNE NERVURE EN ANNEAU PARTIEL 25 CONCENTRIQUE A L'AXE DE L'EVIDEMENT, DESTINEE A S'ENGAGER DANS LA RAINURE 17 ET UN MOYEN DE SERRAGE 27 RELIE AU PORTE-OUTILS ET COMPORTANT UNE SURFACE EN CYLINDRE PARTIEL 36, 37 AGENCEE POUR ENSERRER L'OUTIL ENTRE ELLE ET L'EVIDEMENT DU PORTE-OUTILS. APPLICATION NOTAMMENT AUX MACHINES A DECHIQUETER LES GRUMES ET BILLES DE BOIS.
Patent FR-2542378-A1 (FR)
Title: Gas supply device for an internal combustion engine
Inventor: MARIE GEORGES VICTOR ALBERT
IPC: F02M21/02
Filed: 1983-03-08
Abstract: The present invention relates to a gas supply device. This device essentially comprises a pressure reducing device 1 constituted by a box 2 provided with a diaphragm 3 separating this box into two chambers, namely an upper chamber 7 connected by a duct 8 to an air intake port 6 and a lower chamber 4 connected via a duct 5 to this port and containing a valve 9 for stopping off a gas inlet pipe 11, the ends 5a and 8a of the duct 5 and of the duct 8 opening out into the port 6 downstream of a butterfly valve 14 so as to create, on one side of the diaphragm 3, a reference pressure which varies as a function of the degree of opening of the butterfly valve and, on the other side of this diaphragm, a partial vacuum which is a function of this degree of opening in order to meter a gas inlet able to produce an ideal air-gas mixture in the port 6. This device is intended, for example, to form a carburettor for an internal combustion engine.
Patent FR-2523481-A1 (FR)
Title: Procede de stabilisation de boulettes instables formees de matieres minerales pulverulentes
Inventor: GATTYS FRANZ JOSEPH
IPC: C05G5/30
Filed: 1983-03-16
Abstract: LE PROCEDE DE STABILISATION DE BOULETTES OU PELLETS DEVENANT INSTABLES, PAR DESSICATION, HYGROSCOPIE OU REACTION AVEC L'ATMO-SPHERE, APRES LEUR FABRICATION PAR AGGLOMERATION A PARTIR DE MATIERES MINERALES PULVERULENTES, PAR EXEMPLE DE MINERAIS DE FER, DE DOLOMIE, DE SELS COMME LES CARBONATES OU LES PHOSPHATES UTILISES EN AGRICULTURE OU DANS L'INDUSTRIE DU BATIMENT OU DE PRODUITS ANALOGUES, EST CARACTERISE EN CE QU'APRES LEUR FABRICATION PAR LE PROCEDE, CONNU EN LUI-MEME, DE GRANULATION STRUCTURANTE AVEC ADDITION DE LIQUIDE DE BOULETAGE, LES BOULETTES SONT RECOUVERTES D'UNE COUCHE D'UNE MATIERE MINERALE INSOLUBLE OU DIFFICILEMENT SOLUBLE DANS L'EAU.
Patent FR-2543043-A1 (FR)
Title: Tool holder which can be fitted to hammer drill appliances
IPC: B25D17/00
Filed: 1983-03-22
Abstract: The subject of the invention relates to a tool holder which can be fitted to hammer drill appliances. It consists in mounting, on the chuck 6 of a hammer drill appliance, a tool holder 3 with a rotary drive shaft 1 contacting, by means of a ball 9 mounted freely in the centring cavity 8 of a carrying plate 7 undergoing and absorbing the rotary effect, but only transmitting to the receiving shaft 2 securely fastened to the centring plate 11 of the ball 9 the percussion and vibrations, this shaft 2 itself being securely fastened to a tool holder 13. It is intended to be fitted in particular to hammer drills in order to eliminate the rotational transmission and only use the percussion or vibration effect for the receiving tool. Appliances such as hand drills transmit a rotary movement of variable speed to the bore bits and with percussion transmission give the tool increased efficiency.
Patent FR-2524554-A1 (FR)
Title: Appareil de reglage du fonctionnement d'un moteur a combustion interne
Inventor: HASEGAWA SHUMPEI
IPC: F02D45/00
Filed: 1983-03-31
Abstract: LA PRESENTE INVENTION CONCERNE UN APPAREIL POUR REGLER L'ETAT DE FONCTIONNEMENT D'UN MOTEUR A COMBUSTION INTERNE 4, COMPRENANT DES MOYENS 5 POUR DETECTER UN PARAMETRE DE COMMANDE DU MOTEUR A COMBUSTION INTERNE 4 ET DES MOYENS 6 POUR REGLER L'ETAT DE FONCTIONNEMENT DE CE MOTEUR EN FONCTION DE LA VALEUR DU PARAMETRE DE COMMANDE DU MOTEUR DETECTEE PAR LES MOYENS DE DETECTION 5, CARACTERISE EN CE QUE LADITE VALEUR DETECTEE DU PARAMETRE DE COMMANDE DU MOTEUR EST ECHANTILLONNEE A UNE FREQUENCE D'ECHANTILLONNAGE DONNEE, ET LA VALEUR DE LA DIFFERENCE ENTRE UNE VALEUR D'ECHANTILLONNAGE A L'INSTANT PRESENT ET LA VALEUR PRECEDENTE D'ECHANTILLONNAGE QUI APPARAIT ANTERIEUREMENT A CETTE DERNIERE, DIFFERENCE QUI EST REPRESENTATIVE DE LA VARIATION DUDIT PARAMETRE, EST AJOUTEE A LADITE VALEUR D'ECHANTILLONNAGE INSTANTANEE A DES FINS DE MODULATION DE CELLE-CI, L'ETAT DE FONCTIONNEMENT DU MOTEUR ETANT REGLE A L'AIDE DE CETTE VALEUR INSTANTANEE MODULEE.
Patent FR-2545255-A1 (FR)
Title: MOS transistor-based fast latching flip-flop with low consumption controlled by a single clock phase
Inventor: COLARDELLE JOEL SERGE GERARD
IPC: H03K3/356
Filed: 1983-04-28
Abstract: The invention relates to an MOS transistor-based fast latching flip-flop with low consumption controlled by a single clock phase. The flip-flop includes an input inverter gate T, T', an MOS transfer transistor T1, controlled by the clock signal H, and a storage device. This storage device includes a NOR gate T2, T3, T4, an inverter gate T5, T6, with controllable resistive element T5, and a transistor T7 of the natural MOS type, acting as a diode. The storage of a logic 1 after that of a logic 0 is activated by control of the transistor T5 producing a decrease in the resistance of its channel. The storage of a logic 0 after that of a logic 1 is activated by the diode T7 which rapidly discharges, through the transistors T and T1, the output inverter. The invention applies to MOS transistor-based latching flip-flops.
Patent FR-2546311-A1 (FR)
Title: Procede et dispositif de connexion entre une fibre optique et un composant d'optique integree comportant un guide d'onde
Inventor: CARENCO ALAIN
IPC: G02B6/42
Filed: 1983-05-17
Abstract: PROCEDE ET DISPOSITIF DE CONNEXION ENTRE UNE FIBRE OPTIQUE ET UN COMPOSANT D'OPTIQUE INTEGREE COMPORTANT UN GUIDE D'ONDE. LA FIBRE2 ET LE GUIDE D'ONDE5 ETANT POURVUS CHACUN D'UNE EXTREMITE16, 17 DESTINEE A LA CONNEXION, LE COMPOSANT6 EST FIXE SUR UN SUPPORT PRINCIPAL7, LA FIBRE EST FIXEE SUR UN SUPPORT PRINCIPAL7, LA FIBRE EST FIXEE SUR UN SUPPORT9DE FACON QUE L'EXTREMITE DE LA FIBRE DEPASSE DUDIT SUPPORT, L'EXTREMITE DE LA FIBRE EST FIXEE A L'EXTREMITE DU GUIDE D'ONDE DE FACON A PERMETTRE LE PASSAGE DE LUMIERE DE LA FIBRE AU GUIDE D'ONDE ET RECIPROQUEMENT, LE SUPPORT DE LA FIBRE ET LE SUPPORT PRINCIPAL ETANT ENSUITE RENDUS RIGIDEMENT SOLIDAIRES L'UN DE L'AUTRE. APPLICATION A LA REALISATION DE SYSTEMES DE COMMUNICATION OPTIQUES.
Patent FR-2530620-A1 (FR)
Title: Durcisseurs hydroxyliques pour resines epoxydes, compositions durcissables comprenant ces durcisseurs et revetements formes avec ces compositions
Inventor: SEYMOUR JOHN P
IPC: C08G59/62
Filed: 1983-06-06
Abstract: DURCISSEURS HYDROXYLIQUES POUR RESINES EPOXYDES, COMPOSITIONS DURCISSABLES COMPRENANT CES DURCISSEURS ET REVETEMENTS FORMES AVEC CES COMPOSITIONS. ON OBTIENT CES DURCISSEURS PAR REACTION D'UN DERIVE POLYGLYCIDYLIQUE D'UNE DIAMINE AROMATIQUE, D'UN AMINOPHENOL OU D'UN POLYPHENOL, ET D'UN ETHER DIGLYCIDYLIQUE D'UN BISPHENOL, AVEC UN BISPHENOL, A CHAUD ET EN PRESENCE D'UN CATALYSEUR. LES RESINES EPOXYDES QUI ONT ETE DURCIES AVEC CES PRODUITS ONT UNE HAUTE DENSITE DE RETICULATION, CE QUI LEUR CONFERE D'EXCELLENTES PROPRIETES POUR DES REVETEMENTS, EN PARTICULIER UNE EXCELLENTE RESISTANCE CHIMIQUE, AVEC MAINTIEN D'UNE BONNE SOUPLESSE DES REVETEMENTS.
Patent FR-2529084-A1 (FR)
Title: Dispositif de dialyse avec systeme de regeneration pour dialyse peritoneale
Inventor: KORTEN GERO
IPC: A61M1/16
Filed: 1983-06-24
Abstract: LE DISPOSITIF DE DIALYSE A SYSTEME DE REGENERATION POUR LA DIALYSE PERITONEALE AMBULANTE CONTINUE EST CONSTITUE PAR UN CATHETER A DEMEURE 1 POUR DIALYSE PERITONEALE, PAR UN CONDUIT EN TUYAU SOUPLE 2 ET PAR UN RESERVOIR A LIQUIDE DE DIALYSE 4, LE SYSTEME DE REGENERATION 7 ASSURE LA PURIFICATION DU PRODUIT DE DIALYSE ET EST CONSTITUE PAR UN OU PLUSIEURS ELEMENTS DE REGENERATION 8 CONTENANT DES ADSORBANTS SELECTIFS 9 OU DES ECHANGEURS D'IONS OU DES MELANGES DE CES SUBSTANCES ET MONTE A L'INTERIEUR OU A L'EXTERIEUR DU RESERVOIR 4 A LIQUIDE DE DIALYSE.
Patent FR-2549878-A1 (FR)
Title: Device and method for loft conversion.
IPC: E04G23/02
Filed: 1983-07-29
Abstract: The invention relates to a device and a method for loft conversion for lofts not originally designed for this purpose. The device consists of prefabricated trapezium-shaped reinforcing dormer-window trusses whose corners are cut in the region of the external wall of the walling, which trusses are fixed against the existing trusses by means of a bolting operation. The method consists in partially opening up the framework, in inserting the dormer-window trusses, in resting them on the walling 30 and 31, in carrying out the bolting operation and then in removing the portions of the inner members of the old trusses located inside the space to be converted. Applications: loft conversion of bungalows or houses.
Patent FR-2531868-A1 (FR)
Title: Wound drainage catheter
IPC: A61M1/00
Filed: 1983-08-12
Abstract: Wound drainage catheter has inside a tube (12), e.g. of 5 mm outer and 4 mm inner dia., a coaxial tube (11), e.g. of 1 mm outer and 0.6 mm inner dia. The inner tube leads through a Y-piece (20) to a drip flask (26) for a flushing liquid (brine, therapeutic liquid) while the outer tube is connected to a suction flask (28). This combines the drainage function with a flushing function.
Patent FR-2551535-A1 (FR)
Title: Electronic gas cigarette lighter with a vent hole and heat dissipation plate.
Inventor: NITTA TOMI
IPC: F23Q2/28
Filed: 1983-09-05
Abstract: The invention relates to an electronic gas cigarette lighter comprising a plastic body, a cap 4, with an orifice for the flame, which is mounted on the said body over a fuel outlet nozzle 1 and which has an orifice 5 for the flame aligned with the nozzle, and means for electronic lighting which produce a spark discharge near the nozzle 1 in response to the freeing of fuel via the nozzle. This lighter is noteworthy in that it comprises at least one vent hole 6 which is made in the lateral wall of the cap with an orifice for the flame, and at least one heat dissipation plate 7 being an integral part of the cap 4 and extending along the path of the fuel emitted by the fuel outlet nozzle 1.
Patent FR-2535749-A1 (FR)
Title: Composition de blanchiment et de lavage a base d'un peroxyacide
Inventor: GRAY FREDERICK W
IPC: C11D3/39
Filed: 1983-10-03
Abstract: L'INVENTION CONCERNE UNE COMPOSITION AMELIOREE DE BLANCHIMENT ET DE LAVAGE. LADITE COMPOSITION CONTIENT DE L'ACIDE MONOPEROXYPHTALIQUE ETOU UN SEL HYDROSOLUBLE DE CET ACIDE, UN AGENT CHELATANT CAPABLE DE FORMER UN COMPLEXE SENSIBLEMENT HYDROSOLUBLE AVEC L'ION METALLIQUE EN SOLUTION AQUEUSE, UN COMPOSE PEROXYGENE ET UN ACTIVATEUR POUR LEDIT COMPOSE PEROXYGENE COMPRENANT DE L'ANHYDRIDE PHTALIQUE. L'INVENTION CONCERNE EGALEMENT UN PROCEDE DE BLANCHIMENT ET DE LAVAGE DE MATIERES SALIES ETOU TACHEES, AVEC LA COMPOSITON DE BLANCHIMENT CI-DESSUS.
Patent FR-2546025-A1 (FR)
Title: Machine pour travailler le sol munie de dents ameliorees
Inventor: LELY CORNELIS VAN DER
IPC: A01B33/06
Filed: 1983-10-11
Abstract: MACHINE POUR TRAVAILLER LE SOL MUNIE D'UNE PLURALITE D'ORGANES DE TRAVAIL 3 ENTRAINES, QUI REPOSENT DANS UN CHASSIS 1 ET QUI COMPORTENT AU MOINS UN ORGANE PORTEUR 4 ET UNE DENT 7 QUI EST DISPOSEE SUR CET ORGANE PORTEUR. LA DENT 7 A SUR TOUTE SA LONGUEUR UNE SECTION TRANSVERSALE PRATIQUEMENT RONDE ET EST MUNIE D'AU MOINS UNE NERVURE 9.
Patent FR-2535870-A1 (FR)
Title: Circuit d'alimentation en courant electrique d'un micro-ordinateur
Inventor: GO YASUNAO
IPC: G06F1/24
Filed: 1983-11-04
Abstract: LA PRESENTE INVENTION SE RAPPORTE A UN CIRCUIT D'ALIMENTATION EN COURANT ELECTRIQUE POUR UNE UNITE DE COMMANDE 31 COMPRENANT AU MOINS UN MICRO-PROCESSEUR ET POUR UN CIRCUIT PERIPHERIQUE 32 CONNECTE A L'UNITE DE COMMANDE. SELON L'INVENTION, CE CIRCUIT COMPREND DES PREMIERS MOYENS D'ALIMENTATION 34 POUR FOURNIR UN COURANT D'ALIMENTATION A L'UNITE DE COMMANDE CONFORMEMENT A UNE COMMANDE DE L'ALIMENTATION; DES MOYENS 45 POUR GENERER UN SIGNAL DE REMISE A ZERO A PARTIR D'UN INSTANT NON POSTERIEUR A L'INSTANT AUQUEL L'UNITE DE COMMANDE ENTRE EN FONCTIONNEMENT ET PENDANT UNE PERIODE DE TEMPS SUPERIEURE A UNE DUREE PREDETERMINEE, ET DES SECONDS MOYENS D'ALIMENTATION 41, 55 POUR FOURNIR UN COURANT D'ALIMENTATION AU CIRCUIT PERIPHERIQUE APRES L'EXTINCTION DU SIGNAL DE REMISE A ZERO.
Patent FR-2556743-A1 (FR)
Title: Machine for tin-plating metal plates and more particularly printed circuit boards
IPC: H05K3/34
Filed: 1983-12-14
Abstract: The machine according to the invention comprises a frame 1 endowed with at least one cavity 2, at least one rotary tin-plating roller 3 partly immersed in a bath of molten tin contained in a trough 4 secured in the cavity 2 of the frame 1 and endowed with means of heating and at least one press roller 5 arranged vertically above the tin-plating roller 3 and in which the pressure which it exerts on the said tin-plating roller is adjustable and is characterised in that the trough 4 is made up of two walls inclined one towards the other and downwards, which are closed at their ends by partitions 9 and 10 and receive on their outer faces the means of heating and in that it is made of a nonoxidisable and refractory material.
Patent FR-2557798-A1 (FR)
Title: Perfume diffuser by capillary effect
Inventor: LAUER JEAN-CLAUDE
IPC: A61L9/12
Filed: 1984-01-10
Abstract: This invention consists in partially enamelling 1 a porous earthenware biscuitware 2. The upper part 2 remains unenamelled so as to allow diffusion by capillary effect 5 towards the upper part of this diffuser 2. The lower part as well as the bottom are covered with enamel 1 protecting the furniture from corrosion caused by the essences. The process according to the invention, fitted with its cork 3, is in particular intended for diffusing 5 odorising essences 4 in order to perfume or deodorise premises or a cupboard.
Patent FR-2559710-A1 (FR)
Title: Method and device for maintaining the planarity of the free borders in contact with welded sheets which form a continuous strip having cavities
Inventor: PETIT MARC A
IPC: B29B13/02
Filed: 1984-02-22
Abstract: The method consists in cooling the opposite visible faces of the borders 9a in order to prevent heat propagation. A device for the implementation of this method comprises, on the track followed by the strip 1 at the location of at least one heating station 5, stationary heat-conducting straight edges 16, 17 each having a slot intended to cover the corresponding border 9a of the moving strip, each straight edge delimiting a longitudinal internal conduit 20 connected to a cooling circuit 22.
Patent FR-2560585-A1 (FR)
Title: Process for manufacturing a tearable spiral tube, device for the implementation of this process and spiral tube thus obtained.
Inventor: PATISSIER ALAIN
IPC: B31C11/00
Filed: 1984-03-05
Abstract: The present invention relates to a process and a device for manufacturing a tearable spiral tube. The device essentially comprises a cylindrical mandrel 10 around which are wound a cardboard strip 11 and a paper strip 12. The mandrel 10 is fixed and the cardboard strip is rotatably driven by a flat belt 13 which is itself driven by two turrets (rollers) 14 and 15. A helical tear line 20 is formed by a cutting (perforating) wheel 16 provided with teeth 17 which bears against the exterior wall of the tube 18. This tube has the advantage of being able to be torn easily and to be extracted via the inside of a paper roll wound on this tube.
Patent FR-2543032-A1 (FR)
Title: Dispositif d'amortissement de la broche d'une machine-outil
Inventor: WOOD DAVID BRADFORD III
IPC: B23Q11/00
Filed: 1984-03-07
Abstract: L'INVENTION CONCERNE UN SUPPORT DE BROCHE ASSURANT L'AMORTISSEMENT DE CETTE DERNIERE CONTRE LES VIBRATIONS. IL COMPORTE UN ADAPTATEUR 20 DANS UNE EXTREMITE DUQUEL EST LOGE UN PALIER 17 ET DONT L'AUTRE EXTREMITE EST FIXEE A L'EMBASE 22 D'UNE MACHINE. UNE CHAMBRE 32, RENFERMANT UNE MATIERE 35 D'AMORTISSEMENT, EST FORMEE LE LONG DE L'ADAPTATEUR, ENTRE L'EMBASE DE LA MACHINE ET CE DERNIER, AFIN D'ATTENUER LES VIBRATIONS DE L'ENSEMBLE MONTE EN PORTE A FAUX. L'AMORTISSEMENT PEUT ETRE REALISE PAR UN FLUIDE VISQUEUX PRODUISANT UN EFFET D'EPONGE OU BIEN, EN VARIANTE, PAR UNE MATIERE VISCO-ELASTIQUE. DOMAINE D'APPLICATION: TOURS, RECTIFIEUSES, ETC.
Patent FR-2563012-A1 (FR)
Title: Speed indicator for ascent in sea water
IPC: G01P3/62
Filed: 1984-04-11
Abstract: The invention relates to a device indicating to a sea diver a constant predetermined speed of ascent. It is constituted by a box 1 whose end is conical. Inside at the cone end there is a balancing ballast 3 and at the other end is a closure block 2. The device which is watertight and does not deform at the normal pressure of use has a bulk density less than that of water so that it ascends towards the surface at a given speed which is regulated by the balancing mass. The submerged diver has only to release the apparatus and follow it at a constant distance.
Patent FR-2563958-A1 (FR)
Title: Circuit for producing a voltage proportional to the difference of two voltages
Inventor: DUMONT DANIEL
IPC: G11B21/10
Filed: 1984-05-04
Abstract: The invention relates to a circuit used in particular in video recorders with automatic tracking. The aim is to provide at output 17 a continuous correction voltage proportional to the difference between two AC voltages 9, 10 providing a track offset measurement. It is based on the idea of producing, by means of transistors with opposite types of conduction 4, 8, oppositely directed current arches corresponding to each of the said AC voltages and in adding these current arches in a resistor/capacitor assembly 15, 16.
Patent FR-2550043-A1 (FR)
Title: Ballast circuit with illumination level control
Inventor: LUDWIG JURGEN
IPC: H05B41/04
Filed: 1984-07-27
Abstract: The ignition electrodes (5) and heaters (6) of the small diameter, 26mm, fluorescent lamp tube are connected through a phase shift dimmer circuit (3). The adjustable phase shift circuitry (8) is connected via a diode bridge (10) with electronic interrupter switch (11) connected across the bridge between opposing diodes. A transistor forms the interrupter (11) in the bridge diode interrupter unit (9). The mains (1) is connected via a series coil (7) across the small diameter fluorescent (2) and its parallel connected trigger and dimmer control circuit (3). The interrupter controls the duration for which heater (6) current is present for tube (2) operation, when the current is interrupted the inductive value of the coil (7) enables tube current to persist momentarily.