baber/WOPTO huggingface dataset:
Patent FR-2293698-A1 (FR)
Title: Object presence detector using IR emission - has diode emitter phototransistor receiver and signal treatment electronics
IPC: G01V8/12
Filed: 1974-12-04
Abstract: Detector of the presence of objects from their infrared emission comprises an electroluminescent diode emitter, a phototransistor receiver, signal treatment electronics and a power stage. The signal emitted by the diode is modulated by square wave pulses from a clock. The signal treatment electronics comprises an active bandpass filter, a threshold detector and a coincidence detector, the latter comprising the clock signal and the received signal. The detector enables the presence (or absence) of an object to be determined whatever the ambient light conditions may be.
Patent FR-2295173-A1 (FR)
Title: Stone spreader for variable road width - has two laterally movable funnels fed by chutes for even distribution
IPC: E01C19/20
Filed: 1974-12-19
Abstract: The stone spreader can be used on different widths of road and gives an even finish. A vehicle (1) is fitted with a tipper body (2) containing the stone. On the side where the body discharges is a frame with side-members (3) to which are attached two pairs of parallel and horizontal rails (4). Two identical funnels (T1, T2) move along the rails by means of pulleys (5). Each funnel is fed from a chute (6) underneath the opening (8) of the body (2). This opening can be controlled by a shutter (9) operated by levers (11).
Patent FR-2281500-A1 (FR)
Title: Electronic regulated fuel injection for multicylinder diesel - has forwards counter to determine injection dwell and angle
IPC: F02D41/36
Filed: 1975-08-01
Abstract: Fuel is fed at a constant pressure of 10 atm. to the individual injectors which are formed as servo plungers actuated by magnetic windings excited by an engine working condition dependent electronic circuit. A permanent magnetic rotor driven by the engine crankshaft induces a pulse frequency in a stator coil corresponding to engine r.p.m., the pulses are fed to a transformer containing a monostable multivibrator and an integrator stage whose storage capacitor produces a signal which combined with a signal corresponding to the accelerator pedal position is fed to a regulator which determines the start of the injection and its time dwell according to the firing order. Each injector valve has its own forward counter and comparator with a flip-flop in the final stage. Two storage capacitors are provided, the one acting as buffer.
Patent FR-2291265-A1 (FR)
Title: Oil recovery from plant material - by wetting and pref. admixing with de-oiled waste before solvent extn. (NL180576
Inventor: VOESTE THEODOR
IPC: B01D11/02
Filed: 1975-08-21
Abstract: Extn. of oil from plant raw material contg. >25% oil takes place by (1) wetting the pre-purified, ground raw material with 1-10 wt.% liq. esp. water or aq. solns., mixing, and drying to optimum moisture content 4-15%, depending on type of solvent used, before (2) solvent extn. purified oil is used for human nitrition; waste yields a high-grade, protein-rich animal food. Material is treated carefully, to give high-grade oils and waste having a low oil content. Wetting selectively bonds fine powders and subsequent extn. is carried out without clogging and with improved flow.
Patent FR-2283628-A1 (FR)
Title: Beet topping implement - has pre-setting device with servo acting on movable tool supporting frame
IPC: A01D27/02
Filed: 1975-09-05
Abstract: A topping tool is mounted on a supporting frame movable up and down, and is preceded by a feeler drum running over the tops so as to adjust the working height, while a spring is fitted between the supporting and main frames. The drum (6) has a pre-setting device acting on the supporting frame (3) to regulate the working height, and which incorporates a servo unit assisting the frame movement. A separate feeler (9) can be mounted in front of the drum to regulate operation of the servo unit, which can be mechanically, electrically, hydraulically or pneumatically operated.
Patent FR-2325332-A1 (FR)
Title: Permanent waving model for hairdressers - has support plate with perforations accommodating stems of illustrative pieces
IPC: A45D44/14
Filed: 1975-09-23
Abstract: The model is for use as a permanent-waving pattern for hairdressers. It has a support plate with a profile similar to the shape of a head, and with perforations on one face at least, and pieces with vertical stems fitting in the perforations. This allows illustration of the position of hair-curlers of particular dimensions, and also the application of various products at particular points. The pieces can be of different shapes and dimensions, to distinguish those relating to the curlers from those for product application. Different-coloured pieces can also be used to denote various products etc.
Patent FR-2294317-A1 (FR)
Title: Covering for double or single leaf door joint - has spring mounting hinge allowing covering moulding to be moved by door leaf
IPC: A47B95/00
Filed: 1975-10-20
Abstract: A covering for door-joints on single or double-leaf doors has two fillets (1', 2'), one on each side of a door joint, projecting beyond the surface of the door (1, 2) or its frame to act as control elements which extend right along the length of the door and/or frame. There is also a covering moulding (6) in front of the projecting fillets and pivoting in the plane of the door and covering the joint. This moulding is attached to a support pin (7) extending into the joint and to a sprung hinge (8). The fillets and the moulding have areas of external surfaces bearing on each other in such a way that when the door opens or closes, these areas engage and the covering moulding is pushed by the resulting lateral force into a position allowing the door to be freely opened or closed.
Patent FR-2331750-A1 (FR)
Title: High pressure steam heating installation - has spherical hot water: steam exchanger situated between heater and tank discharge
IPC: F22D11/00
Filed: 1975-11-14
Abstract: The high pressure steam heating installation comprises a discharge system from the tank having a hot water and steam exchanger fitted at mid-point in the pipework. Steam which escapes from the heater is automatically condensed with the resulting condensate being returned to the tank. The exchanger is in the shape of a sphere and contains water inlet and outlet pipes at the bottom and two steam pipe connections at the top. One of these connections links the exchanger with the steam heater and the other discharges to atmosphere.
Patent FR-2292646-A1 (FR)
Title: Automatic equipment for circulating stores - rails for containers on two levels and lifts for moving containers between levels
Inventor: HASEGAWA KIYOSHI
IPC: B65G1/127
Filed: 1975-11-28
Abstract: Automatic storage equipment for stores of a circulating type includes a main framework (6) for supporting a number of containers (1) for storing goods on two parallel levels. The main framework (6) is fitted at each level with horizontal rails (7b) along which the containers (1) runs. At each side of the main framework (6) are positioned lift frameworks (10a) with a transferring opening and with lifts (8a). These lifts are so connected together that one lift faces one level and the other the second level of the framework (6). The individual containers (1) or groups of containers are moved between the rails (7b) of the main framework (6) and the lifts (8a) by pushers (19a) rigidly mounted in the lifts.
Patent FR-2298049-A1 (FR)
Title: Float controlled balance valve - is fitted to lever arm, valve closure connected and has compensation weight arm connected (NL200776)
IPC: F16K31/20
Filed: 1975-12-23
Abstract: Float controlled valve, the float of whic is fitted to a pivot lever arm, which has a pick-up for the valve closure device, on which a pivotal held compensation weight also acts via a pick-up. For the float (21) and the compensation weight (18), two separate lifting arms (16, 17), moving in the same direction, are provided. The pivot axis (23) of the one lifting arm (17) is in front of the pick-up (12) on it, and the pivot axis (22) of the other lifting arm (16) is behind its appropriate pick-up (12). The pick-up (12) is common to the two levers (16, 17) and comprises a through bolt (12), engaging in lengthways slots of the arms.
Patent FR-2340150-A1 (FR)
Title: Straightening machine for mechanical components - where sensors measure bow and then actuate ram pushed against the component
IPC: B21D3/10
Filed: 1976-02-04
Abstract: Machine for straightening mechanical parts, where a part is clamped at both ends and outside a C-shaped frame carrying a work cylinder driving a ram wedge in a direction (dt) at 90 degrees to the longitudinal axis (d1) of the part. The ram wedge presses the part against at least two reaction wedges, and also against at least one sensor measuring the deflection of the part. Frame is located on a vertical pivot fixed on a plate which can be moved in direction (dt) by a low power work cylinder; and plate is pref. located on a slide which can be driven in direction (d1). The pref. machine is used for straightening symmetrical parts which can be rotated on their axes, e.g. bars or tubes, plate being driven in direction (dt) to a desired position where the workpiece is in contact with the reaction wedges, and then the ram wedge is actuated. Three sensors are pref. used for differential measurement of deflection; and driving the ram. Used e.g. straightening camshafts, transmission- or steering- shafts, the rods, drill stocks. Exceptional accuracy can be achieved due to the combined range of movement provided.
Patent FR-2350831-A1 (FR)
Title: Bedridden patient movement aid mechanism - has cloth harness with ends coupled to motor driven rope reeved round supports
IPC: A61G7/10
Filed: 1976-05-13
Abstract: The movement aid mechanism is for patients bedridden for long periods and having difficulty in moving themselves. It comprises a cloth (6) on which the patient rests, and whose ends (8, 9) are coupled to a rope (5) driven by a small electric motor (7). The rope is reeved round pulleys (3, 4) on supports on either side of the bed, so as to turn the patient over. The cloth can interest above the patient before being coupled to the rope between the supports. The motor can be controlled by a switch within the reach of the patient's hand (10), and devices can be fixed to the rope to operate limit switches.
Patent FR-2355134-A1 (FR)
Title: Fittings for erecting facing panels in buildings - has panels pivoted about support pins across rails at bottom
IPC: E04B2/92
Filed: 1976-06-17
Abstract: The fittings for erecting facing panels in buildings are partic, for vertical panels extending between two floors in a multi-storey building. A pivoting support fitting connects the lower floor and the lower edge of a panel, and an abutment fitting connects the upper floor and the upper edge of a panel. The support fitting comprises a double axle held on a plate which is fixed by bolts to a railing provided in the lateral face of the concrete floor. A slotted cover piece is fixed to the panel so that it can be rotated about the axle.
Patent FR-2358917-A1 (FR)
Title: Emulsifying appts. for mixt. of water, air and emulsifying agent - for use in e.g. fighting hydrocarbon fires produces thousand-fold vol. increase of foam
IPC: A62C5/02
Filed: 1976-07-19
Abstract: An appts. for emulsifying a mixt. of water, emulsifying agent and air, in which the emulsification is accompanied by a large increase in vol., comprises a pipe, an air suction propeller, an atomiser and a motor. One end of the pipe constitutes the air inlet. The other end is wider and constitutes the emulsion outlet. The atomiser rotated downstream of the propeller. The motor is a hydraulic motor driven by the entering water under press, and drives the propeller and the atomiser. Emulsifying agent is drawn in by the entering water through a venturi. Used in fire-fighting, partic. in the case of hydrocarbon fires, in which foam is used to envelope the site and deprive it of oxygen. Increases in vol. of the order of 1000 l. of foam from 1 l. of a mixt. of water and emulsifier are obtd.
Patent FR-2368166-A1 (FR)
Title: Holder for electric cable - has annular flange tightly holding insulator and carrying accessories for cable fastening
Inventor: WILLEM MICHEL
IPC: H01B17/22
Filed: 1976-10-12
Abstract: The electrical cable holder is fastened on a rigid insulator and has a suitably shaped groove. The holder has a cylindrical annular flange (1) with a clamping ring (2) hinged on it. The flange has opposite projecting elements, one of which (3) has a recess for the cable parallel to the hinge pin of the clamping ring (2). The second projecting element (4) has a locking pin for locking the clamping ring. The annular flange tightly holds the insulator. The clamping ring is made of hot galvanished round steel wire.
Patent FR-2370171-A1 (FR)
Title: Procede et dispositif pour la diminution du bruit des turbomachines
Inventor: RAFFY PIERRE MARIE
IPC: F04D29/66
Filed: 1976-11-05
Abstract: Procédé et dispositif d'atténuation des sons produits dans une turbomachine, utilisant la création d'un contre-bruit en opposition de phase. De l'air sous pression issu d'un collecteur torique 6 est injecté à travers des trous 3 portés par la tête des aubes mobiles 1. Les orifices 3 défilent le long d'une fente de largeur variable ménagée dans un anneau 4. calage angulaire de l'anneau 4 permet un réglage de la phase. Application à l'atténuation des sons produits par les aubes rotoriques d'un étage de turbomachine.
Patent FR-2394836-A1 (FR)
Title: Photographic viewing or recording unit - is for relief photography or positive transparency viewing and has shutter screen close to opposite side of aperture
IPC: G03B19/02
Filed: 1976-12-03
Abstract: The unit is capable of taking photographs in relief or for viewing positive transparency films. The transparency film is held automatically and hence does not require mounting frames. The unit consists of an enclosure with removable side walls. Feed and take-up spools (2, 4) are positioned either side of the light path defined by apertures (16, 9) in masks on either side of the film. The film is held close to the forward aperture by two rollers (7, 8), a shutter screen (10) is positioned close to the opposite side of this aperture.
Patent FR-2335666-A1 (FR)
IPC: E05D15/48
Filed: 1976-12-08
Abstract: The basic frame (3) of the dormer window is connected to the roof covering, a window sash being arranged on the basic frame (3) such that it can pivot and be displaced laterally. In addition, a laterally displaceable sliding frame (5) is arranged on a sash frame (4) which is articulated on the basic frame (3) by means of hinges (6).
Patent FR-2357395-A1 (FR)
Title: Dispositif de commande de roue pour chariots de manutention
IPC: B60K17/04
Filed: 1977-01-27
Abstract: a. Dispositif de commande de roue pour chariots de manutention, tels que chariots élévateurs à fourche, comportant un moteur électrique monté à l'intérieur de la jante de la roue et un mécanisme réducteur monté dans le moyeu de roue b. Caractérisé en ce que le moyeu est monté sur un carter fixe au moyen de roulements à rouleaux coniques avec une disposition dite en forme de O, la partie du moyeu qui enveloppe les roulements à rouleaux coniques étant, au moins partiellement, de même grandeur ou plus petite que le carter contenant le moteur électrique. c. Dispositif applicable à des chariots de manutention, tels qu'élévateurs à fourche.
Patent FR-2386550-A1 (FR)
Title: Di:phenyl-tetra:oxa-di:phospha-spiro-undecane-di:oxide - used as flame-retardant, opt. with poly:halogenated cpd., for textiles contg. polyester fibres
Inventor: GRESHAM JOHN THOMAS
IPC: C07F9/6571
Filed: 1977-04-06
Abstract: 5,5 -undecane-3- .9-dioxide, (I), is new. Pref. (I) is used at 5-30 (10-25) wt. with 95-70 pts. wt. polyester to provide a flame-proof textile. (I) is soluble in molten (I); does not impair the physical properties of the finished polyester fibre; is heat-stableat is inert in the presence of molten polyesters; and can be added to polyester before spinning. Polyester textiles and polyeter fibre blends contg. (I) have high flame-resistance.
Patent FR-2389448-A1 (FR)
Title: Solder for aluminium objects, esp. IC engine radiators - where solder is a lead-tin alloy contg. bismuth, zinc and antimony
IPC: B23K35/26
Filed: 1977-05-06
Abstract: The solder is an alloy contg. Sn, Cd, Bi, Zn, Sb and Pb, with pref. 30-40% Sn, 4-10% Bi, 1-8% Zn, 1-5% Sb, 50-60% Pb. The esp. pref. alloy (A) contains 33% Sn, 7% Cd, 4% Bi, 6% Zn, 0.3% Sb, 54.7% Pb, (which totals more than 100%). The solder is used esp. for repairing radiators, which are pickled on the surface to be soldered followed by brushing that surface with a metal brush; heating and rebrushing; rubbing the solder onto the surface and rebrushing; heating, and once more brushing the solder; then applying a second layer of solder. The radiator is pref. degreased and descaled before soldering its interior. Used esp. in the repair of Al radiators on IC engines.
Patent FR-2354490-A1 (FR)
Title: Moyen d'etancheite
IPC: F16J15/12
Filed: 1977-05-23
Abstract: a. Moyen d'étanchéité; b. Moyen d'étanchéité caractérisé en ce que sur les bords des orifices de passage pour les milieux liquides sont situés des anneaux d'étancheité élastiques dont au moins une face est en saillie par rapport à la section du joint d'étanchéité métallique; c. L'invention trouve son application dans le domaine des moyens d'étanchéité.
Patent FR-2355415-A1 (FR)
Title: Appareil de localisation de defauts pour un dispositif de transmission numerique
IPC: H04L1/24
Filed: 1977-06-13
Abstract: L'invention concerne la transmission de signaux numériques. Pour identifier les répéteurs défectueux d'un dispositif de transmission numérique, on compare les deux signaux de sortie du démodulateur de phase 22 de chaque répéteur 12, pour déterminer si la séquence binaire de test est reçue correctement à partir des récepteurs situés en amont. Cette comparaison porte sur une séquence de test spéciale qui est égale à son propre complément retardé de 2 N symboles. Application aux faisceaux hertziens.
Patent FR-2371460-A1 (FR)
Title: Procede de preparation de kanamycine c et de ses derives desoxy
IPC: A61P31/04
Filed: 1977-06-15
Abstract: Procédé de préparation d'un composé de kanamycine C de formule générale :
Patent FR-2356811-A1 (FR)
Title: Moteur a combustion interne
IPC: F01K23/06
Filed: 1977-06-28
Abstract: Moteur à au moins un groupe de suralimentation se composant d'une turbine à gaz d'échappement et d'un compresseur d'air de suralimentation et à au moins un échangeur de chaleur formé d'un évaporateur et d'un surchauffeur montés dans un circuit fermé de vapeur qui comprend de plus au moins une turbine à vapeur, un condenseur et une pompe d'alimentation L'échangeur de chaleur 8 est disposé en amont de la turbine à gaz d'échappement 10 dans le sens de la circulation de ces gaz. Application en particulier aux groupes marins à moteur diesel afin d'abaisser la température des gaz d'échappement dont d'une part la chaleur et, d'autre part, la pression, sont ainsi utilisables dans des appareillages peu coûteux.
Patent FR-2397075-A1 (FR)
Title: Motor vehicle roof aerial with several setting angles - has angle determined by location of sprung ball and socket
IPC: H01Q1/08
Filed: 1977-07-06
Abstract: A radio aerial is designed for fitting on the roof of a motor vehicle. Two or more setting angles are possible, each resistant to vibration etc. The lowest angle is intended to prevent possible accidents, e.g. when the vehicle is carried on a railway train. The aerial proper has a hinged (34) root (32). The root has two or more cogged shared depressions (45) on its lower surface. A spring loaded plunger or ball (49) in the roof fitment locates within the chosen cog setting the angle of the aerial. Variations include a reversal of the cog and plunger positions and the use of a single sprung leaf locating with the cogs.
Patent FR-2380511-A1 (FR)
Title: Dispositif pour le captage de l'energie solaire
IPC: F24S10/70
Filed: 1977-08-05
Abstract: L'invention est relative à un dispositif pour le captage de l'énergie solaire. Le dispositif est constitué par des modules formés de deux ou plusieurs plaques creuses de section variable où circule un fluide recueillant l'énergie calorifique reçue, divers modules étant assemblés entre eux à l'aide d'une pièce additionnelle s'encastrant latéralement. Le dispositif est applicable au chauffage partiel ou total de locaux ou d'ateliers.
Patent FR-2373084-A1 (FR)
Title: Appareil electrophotographique a developpement de type humide
IPC: G03G15/11
Filed: 1977-08-30
Abstract: L'invention concerne les appareils électrophotographiques à développement de type humide. Elle se rapporte à un appareil dans lequel un organe 18 d'uniformisation est au contact du révélateur liquide appliqué sur une matière photosensible 2 et uniformise l'épaisseur de la couche de révélateur liquide, soumise à une décharge par effluve ou à l'action d'un courant d'air. Application aux appareils électrophotographiques à développement de type humide.
Patent FR-2365387-A1 (FR)
Title: Procede de reduction des contraintes developpees dans une matrice, et cette matrice
IPC: B21K1/30
Filed: 1977-09-01
Abstract: Matrice conçue pour réduire efficacement ou supprimer les contraintes de traduction auxquelles certaines de ses parties sont soumises lors de l'application d'une charge dans sa cavité. Un élément 14 de support est placé sous le fond 20 de la matrice 10 de manière que cette dernière ne repose initialement que sur une zone centrale de l'élément 14, et que sous la charge exercée par le poinçon 16 et transmise par la pièce 18 formee, le contact entre la surface inférieure 44 de la matrice 10 et la surface supérieure 46 de l'élément 14 s'étende radialement vers l'extérieur et fasse apparaître dans la matrice 10 des contraintes de signes opposées à celles appliquées directement par le poinçon I . Application: Production de pignons d'engrenage.
Patent FR-2401693-A1 (FR)
Title: Procede de recuperation selective de chlore et d'anhydride carbonique d'un melange gazeux
IPC: B01D53/68
Filed: 1977-09-05
Abstract: a. L'invention concerne un procédé de récupération sélective de chlore et d'anhydride carbonique d'un mélange gazeux. b. On soumet le mélange gazeux à une combustion en présence d'hydrogène de manière à convertir le chlore en chlorure d'hydrogène, on traite le gaz de combustion résultant avec une solution aqueuse de chlorure de métal alcalin pour y absorber le chlorure d'hydrogène, et on recueille un gaz résiduaire contenant l'anhydride carbonique. c. L'invention s'applique notamment au traitement des mélanges gazeux rédisuels de la liquéfaction du chlore produit par électrolyse d'une saumure.
Patent FR-2403673-A1 (FR)
Title: Temp. stable amplifier protection circuit - has two symmetric protection units guarding against surges and short circuits
IPC: H03F1/52
Filed: 1977-09-20
Abstract: The central temperature stable protection circuit protects a power amplifier against surges and short circuits. The input of this circuit is connected to two protection units which are symmetric, operating respectively in positive and negative control modes. The outputs of these protection units are connected to amplifiers in series with coupling units. The coupling unit outputs are in turn connected to a common point forming the output of the circuit. The common point is also connected to provide a feedback to the control inputs of the two protection units.