baber/WOPTO huggingface dataset:
Patent FR-2245449-A1 (FR)
Title: Pneumatically driven hammer drill - has sleeve forming exhaust passage and secured at both ends
IPC: E21B4/14
Filed: 1973-09-27
Abstract: The upper part (21) of the hammer is screwed onto the lower part (311) and tapers to a tool point with a projecting tip which has a morse cone end embedded in the point. Compressed air is fed axially to a first chamber (161) and along a hollow piston. Air escapes around the end of the piston into an annular space before passing through openings (131) in the cylinder. The openings lead to an annular space (121) defined by a sleeve (55) secured to the outside of the cylinder. The sleeve is correctly positioned by a lower plug (56) which defines exhaust openings (57) with the sleeve.
Patent FR-2253093-A1 (FR)
Title: Improved metallurgical converters, esp. for steel mfr. - tuyere feed pipes placed inside wheel used as a trunnion and joined to flexible tubes
IPC: C21C5/50
Filed: 1973-12-03
Abstract: A metallurgical converter, consisting of a barrel mounted in a ring which is supported at two diametrically opposite points so that barrel can be tilted on a horizontal axis, the base of the barrel being fitted with tuyeres for injecting refining materials, has one of the ring supports formed as a trunnion, whereas the other is a wheel, fixed solidly to the ring, and supported on bearings; the tuyere feed pipes converge on the inside wall of the wheel and are connected, across its rim, to the ends of flexible tubes rolled round a drum fixed on the outer wall of the wheel; the other ends of the flexible tubes are connected to fixed feed pipes, sufficient slack being provided to permit the tilting of the converter. The flexible pipes are pref. used also for circulating a coolant round the converter mouth. For supplying oxygen, reducing agents (fuel, natural gas, steam etc.), nitrogen etc. in steel making by new processes, e.g. the quiet basic oxygen process.
Patent FR-2221169-A1 (FR)
Title: Band filter for liquid effluent channel - made of hinged link chain with thorough self-cleaning action
IPC: B01D33/04
Filed: 1974-01-16
Abstract: Many rows of rigid links are hinged together as an endless chain which is partly immersed in a current of liquid flowing through an open-topped channel. The rising side of the chain faces the current and collects solids which it carries up clear of the liquid surface. Each link fits on two successive hinge pins and is extended beyond its trailing pin, the extension being cranked at the end outwards from the chain; as each link passes around a sprocket near the bottom of the channel, its extension rises from the flat screen formation for the cranked end to sweep up solids from the bottom; in passing around a top sprocket, each link extension again rises temporarily to discharge collected deposits. The filter is esp. suitable for filtering polluted liq. effluents from factories etc., and water passing along artificial canals.
Patent FR-2259294-A1 (FR)
Title: Half shell tunnel lining formwork - has simultaneous operation of link pins and simplified angle reduction
IPC: E04G11/02
Filed: 1974-01-30
Abstract: The shuttering consists of two half-shells in the form of a dihedron, with the edges of the horizontal panels bolted together and linked to the base of the vertical panels by adjustable length props. The improvement consists of a method of operating simultaneously and quickly all the linking elements of the shuttering and a method for simplifying the reduction in angle of the dihedron formed by horizontal and vertical panels. Where concrete sets quickly, it si therefore possible to remove the shuttering completely in a single operation.
Patent FR-2221512-A1 (FR)
Title: Fuel oil additives to reduce coke particle formation - consisting of alkaline earth metal salts
IPC: C10L1/12
Filed: 1974-03-14
Abstract: The additives consist of, or contain, salts of Ba, Sr, Ca or Mg, and are added in amts. equiv. to 10-30 ppm. of metal. Pref. known soot-reducing additives consisting of salts of Mn, Fe, Co, Ni, Cu or Zn are also incorporated in an amt. equiv. to 10-30 ppm. of metal. Emission of coke particles when burning fuel oils, caused by cracking of heavy residual fractions in the fuel oil, is reduced to acceptable levels.
Patent FR-2267154-A1 (FR)
Title: Compressed air paint spray gun - has trigger opening air supply valve and sliding paint supply valve rod
IPC: B05B7/12
Filed: 1974-04-10
Abstract: A bore (7) through the butt and connected to the compressed air supply is blocked by a valve, arrangement with a sleeve (11) carrying sealing rings (15a, 15b) clamped by rear (17a) and front (17b) collars, on a rod (4) controlling the paint supply valve on the nozzle. When the trigger is pulled, the front collar (17b) is pushed backwards against the force of a spring (14) around the sleeve, and a sealing ring (12) mounted on the sleeve (11) is pulled back from its seating (13) and the compressed air passes into a hole (7a) above, through an outlet (7b) to the spray nozzle. Then the rear collar (17a) is pushed back onto a flange (18) on the rear of the rod (4), pushing it back against another spring (19), so that the paint supply valve is opened.
Patent FR-2226333-A1 (FR)
Title: Disposable paper tissues distributor - has expanded polyurethane elastic element within rigid box
IPC: B65D83/08
Filed: 1974-04-17
Abstract: The box has appropriate opening(s). The elastic element has, when not compressed, the same shape and vol. as the box. Pref. the box is cubic or cylindrical, and is made from corrugated cardboard, or plastics. The elastic elements is parallelepipedal, and may be of foam rubber; it is folded up when the box contains tissues.
Patent FR-2269788-A1 (FR)
Title: Integrated semiconductor cct. for flip-flop - has two complementary transistors implanted in one zone of first conductivity
IPC: H03K3/2893
Filed: 1974-04-30
Abstract: The bistable integrated semiconductor circuit has two complementary transistors in the same substrate. The elements of both transistors are implanted in a semiconductor zone of first conductivity. Current flows in the first transistor parallel to the substrate surface, while in the second transistor it flows at right angles to this surface. The semiconductor zone has a part of very small dimensions, forming the first transistor base. A second part of large dimensions forms the second transistor collector, the bases of the two transistors not having an external access. Preferably this zone forms the actual substrate, and a contact is mounted on the substrate opposite side. The emitter of the first or second transistor is provided with two contacts. This zone may be implanted in a substrate of opposite conductivity.
Patent FR-2278853-A1 (FR)
Title: Excavator bucket acting as scoop or grab - is split into two halves hinging about axes parallel to longitudinal bucket axis
Inventor: GUINOT GABRIEL L
IPC: E02F3/40
Filed: 1974-05-08
Abstract: The bucket can act as a cutting scoop or grab, having the usual scoop type bucket suspended from a machine jib (18) and pivoting about an axis (19) normal to jib length. This bucket can split into two longitudinal halves, each separately hinging about axes (7a, 7b) perpendicular to the main pivot axis (19), and thus function as a hydraulic jack operated grab. A cross beam (1) incorporates the axles (7a, 7b) about which grab sections (3a, 3b) articulate and also bears the jack (8) and tie rod (11) grab mechanism. The composite scoop base (4a, 4b) is of cylindrical form and the scoop walls (3a, 3b) are parallel. Abutting edges of the grab jaws are a specified minimum distance apart during the scoop function.
Patent FR-2278249-A1 (FR)
Title: Growing and irrigation of trees - using watering on earth and receiving roots
IPC: A01G25/06
Filed: 1974-07-19
Abstract: A one cubic meter hole (1) receives a base layer of peat (2). The soil removed from the hole is divided into two parts (3) and (4). To the latter is added 25% of peat. A stake (5) is then driven into the firm soil at the bottom of the hole, then the part (4) is watered and shovelled into the hole. As soon as the water in layer (3) is absorbed, a part (4a) of part (4) is added and firmed until it is within 30 cm of the surface. On this is laid a bed of coarse gravel on which is placed the ring shaped irrigation device (7). This consists of a perforated tube and stand pipe. Another layer of gravel is laid on top of the device and covered with 8 to 10 sheets of porous paper (9). The tree is then put into place after its roots have been treated with a hormone powder, and part (4b) is added and well firmed down.
Patent FR-2281522-A1 (FR)
Title: Trapezoidal section V-belt - having outer transversely grooved tension section and inner compression section
IPC: F16G5/08
Filed: 1974-08-09
Abstract: Trapezoidal sectional V-belt with high longitudinal flexibility has an outer transversely grooved tension section, an inner compression section of less thickness than the tension section and an intermediate neutral axis section with longitudinally extending stress resisting member therein, the transverse centre plane being nearer the inner surface of the belt than the outer. Belt has improved life when used in compact high ratio drives with small dia. pulleys.
Patent FR-2292904-A1 (FR)
Title: Guide pulley for coiling cables - is formed of welded cheek plates free running on shaft and with sealed oil system
IPC: F16H57/05
Filed: 1974-11-27
Abstract: The pulley is made up of two check plates welded together before final machining at the bottom of the groove (9) which carries the cable. The pulley is then welded onto a cylindrical hub (4). The shaft (5) fits through the central hub and the pulley is free to travel along the shaft as required by the cable. The hollow space inside the pulley is filled with oil (22) through the filler hole (20). The oil is allowed to leak through to the shaft by the packing rings (8) and is prevented from leaking out by the end seals (6, 7).
Patent FR-2253651-A1 (FR)
Title: Pressure control valve for load regulated brakes - having double acting valve between housing and stepped pressure control piston
IPC: B60T8/18
Filed: 1974-12-06
Abstract: The control valve regulates the rear wheel brakes w.r.t. loading and also alters the pressure distribution between front and a rear brakes to ensure a balanced system. A stepped piston is used for the differential pressure control. In the event of rear brake failure all the braking force goes to the front wheels and this is achieved using a switching valve. In order to reduce the hysteresis of the system and make it more responsive the switching valve locates on a fixed seating on the housing with one end and on the larger surface of the stepped piston with the other end.
Patent FR-2294459-A1 (FR)
Title: Optical fibre of mineral glass is coated with organic polymer - to reduce light loss
Inventor: DUBOIS JEAN-CLAUDE
IPC: C03C25/105
Filed: 1974-12-13
Abstract: An optical fibre is pref. extruded using a mineral glass and coated (pref. by dipping in a bath) with an organic polymer. The optical fibre is simple to produce and robust. The coating of organic polymer effectively reduces light loss. The organic polymer may be a thermoplastic e.g. a silicone, polyvinyl, polyurethane, polycellulose, polyacrylic or a thermosetting resin e.g. polyester, polycarbonate.
Patent FR-2301930-A1 (FR)
Title: Temperature compensation for ferrite UHF phase-shifter - involves system which removes need for cooling and uses binary computing technique
Inventor: BEAULIEU LOUIS JEAN
IPC: G05F7/00
Filed: 1975-02-24
Abstract: The circuit is used to correct for temperature effects in phase displacement ferrite rods normally used un UHF waveguides. The design is intended to obviate the need for ventilation to maintain a constant temperature. Compensation is obtained by use of a temperature sensor (1) mounted between th waveguide wall and the extenal exciting coil associated with the ferrite. The analogue output from the sensor feeds an analogue/digital convertor (2). This produces a data stream corresponding to the temperature during set intervals to a decoder (3). This data together with that (B1, Bb) derived from the phase shifting circuit is processed and fed to a passive memory (4). Coil (7) correction current is then obtained from a power amplifier (6) controlled from the computing arrangement via a digital/analogue converter (5).
Patent FR-2275897-A1 (FR)
Title: Bipolar lead accumulator with titanium-zirconium plate - between adjacent cells as separator and support for active compsns
IPC: H01M10/18
Filed: 1975-06-03
Abstract: A lead accumulator with >=2 cells with a H2SO4 electrolyte has a bipolar electrode with an electrically conducting impermeable metal plate of Ti or a Ti alloy on one side and Zr or a Zr alloy on the other side, which forms a separating wall between 2 adjacent cells, with a support for the active PbO2 compsn. of the positive electrode of one cell on one side and a support for active Pb compsn. of the negative electrode of the adjacent cell on the other side. These surfaces can be joined directly, pref. by a metallurgical bond formed by hot rolling or explosion plating; or be sped. by another metal, pref. with a higher electric conductivity than the Ti (alloy) and/or Zr (allow), esp. Cu, Al or Fe. There pref. is a Pb layer between the first surface and the active PbO2 compsn. The support has a perforated structure. This arrangement allows the construction of lead accumulators of the truly bipolar type.
Patent FR-2314505-A1 (FR)
Title: Radioactive radiation sensor using solid-state detection - is fitted with multiple detectors to compensate for spectral sensitivity
Inventor: LECUYER PIERRE LEON DENIS
IPC: G01T1/24
Filed: 1975-06-12
Abstract: The appts. is used for measuring radioactive radiation. A solid state detection unit is exposed to the radiation and the signal is integrated in order to provide a voltage proportional to the charge liberated by ionisation. This voltage is used to trigger a threshold triggering circuit when its value exceeds a predetermined threshold. The detection unit comprises several dissimilar detectors which are exposed simultaneously to the radiation. Their outputs are electrically treated to compensate for their individual responses s.t. the sensitivity of the method is independent of the incident radiation spectrum.
Patent FR-2314165-A1 (FR)
Title: Prepn. of bis anthryl-(9) alkanes - having photochromic properties, useful e.g. in registration of holograms
Inventor: DANEY MICHELE
IPC: C07C1/32
Filed: 1975-06-13
Abstract: Cpds. of formula (I) are claimed in which A, C, D and F are H, halogen, unbranched alkyl, aryl, alkaryl, aralkyl, alkoxy, hydroxyl, hydroxyalkyl, opt. substd. amino, alkylamino, hydroxyamino, thioalkyl, carboxyl or siloxy gp., and there may be more than one substituent A, C, D or F on each of the rings concerned; B is H, alkyl or an electron doner gp. such as OR and NR2; and E is H, alkyl or an electron acceptor gp. such as -CN, -CHO, -CO.R or -CO.NHR, where R is a satd. or unsatd. hydrocarbon gp.; and n >=3. Some or all the H atoms of the -(CH2)n- bridge may be replaced by substits. such as halogen, alkyl, aryl, alkoxy or alkoxyalkoxy gps. Phtoisomers of (I) are also claimed. (I) have photochromic properties and undergo a reversible reaction with the formation of a colourless photo-isomer. Prods. are useful for registration of holograms and for use with other cpds. In reprography, photography and optical memory devices.
Patent FR-2327746-A1 (FR)
Title: Pivotable champagne bucket with forked pedestal - has detachable lid with hole for bottle neck and circular rib in base for locating bottle
IPC: F25D31/00
Filed: 1975-10-13
Abstract: The champagne bucket (3) is mounted on an axle on a forked pedestal (2) enabling the bucket to be pivoted pouring the drink into glasses. The bucket is provided with a detachable lid (4), and the lid may have a central hole through which the neck (13) of the champagne bottle projects. Diametrically opposed legs (5) project externally from the bucket walls to lodge on bearing seats (21), with the seats (21) formed on the legs (20) of the pedestal (2) fork. The bucket (3) has a single or double skin walls and the internal base has a circular rib which serves to centre the bottle.
Patent FR-2333621-A1 (FR)
Title: Wood veneer cutting machine - has endless belt conveyor to remove sheets cut by reciprocating head and blade
IPC: B27L5/00
Filed: 1975-12-01
Abstract: The machine cuts veneer from timber (3) on a platform (2) at one end of the chassis. The sheet is produced by a head and cutter blade, reciprocated by a power cylinder. After each stroke, the platform is automatically raised. An endless conveyor belt (18) of several parallel strips, fits behind the head. This is driven by an electric motor (25) and has a tensioning device (27 to 30). As the veneer sheets are cut, they pass upwards onto a smaller conveyor (31) on the cutter head. This has its own motor (35) and the sheets pass over the top to fall on the conveyor belt for removal.
Patent FR-2345329-A1 (FR)
Title: Looped conveyor with flexibly joined vehicles - has support rail with varied speed over different parts and vehicle mounted linear motor drive
IPC: B61B13/12
Filed: 1976-03-22
Abstract: Vehicles are joined flexibly to the looped conveyor system. The vehicles (2) can be hins which move around a circuit (3) made of rails carried on supports fixed to the ground. The vehicles move at different speeds over the transport (7) and shunting (8) parts. The propulation force can be applied over the full circuit (3) or at certain parts only. It can be by electric motors on the vehicles or of external pneumatic type. Spacing between vehicles can be varied and the electric motors can be of linear type. Each vehicle has two pulleys engaging with a cable to the vehicles on either side of it.
Patent FR-2305707-A1 (FR)
Title: Control system for reversible flow heat exchanger banks - using mean temp. deviation in centre of each unit for control
IPC: F25J5/00
Filed: 1976-03-26
Abstract: In the automatic balancing of the temps. of a large no. of heat exchange units with reversible flow which are arranged inpparallel to each other, each exchanger has a feed stream and >=1 heat transfer medium stream, these streams being interchanged at set time intervals. The temp. of the particular unit is measured as the feed stream and heat transfer medium are switched over; the mean temp. of the limit is measured over the previous time interval, which should be constant, is calcd. a mean temp. for all the limits based on the mean temp. of the individual units is then calcd; the deviation and the direction of deviation or a particular exchanger is then calcd. by comparing its mean temp with the overall mean; a correction is then applied to its flow control valve to balance its temp. w.r.t. the overall temp. of the system. Esp. for use in the sepn. of air into its components. Reversible flows are used to prevent the build up of solid H2O and CO2 on the surfaces of exchangers used as feed precoolers for the first dist. column, the crude gas streams and a recycle stream being used as coolants. The process avoids poor column control and off spec. prod.
Patent FR-2356225-A1 (FR)
Title: Aerial hazard warning beacon - includes inflated bag with attached gas cylinder and line fixed to ground
IPC: G08G1/16
Filed: 1976-06-25
Abstract: The hazard warning beacon consists essentially of an inflatable bag (1), a gas cylinder (2) and a line (3) fitted to a ground weight (4). The bag is made from a phosphorescent material and can be made in various shapes and colours to suits is particular function. The gas container can either be a cartridge whose tube (9) is directed towards the neck (10) of the bag (1), or a cylinder (11) having two compartments. The first compartment encloses water. The second compartment contains a powdery product which realises a gas lighter than air when water is added. The two compartments are separated by a barrier which is easy to break between the fingers.
Patent FR-2357316-A1 (FR)
Title: Machine a former des ressorts helicoidaux
IPC: B21F3/04
Filed: 1976-07-09
Abstract: L'invention concerne la fabrication des ressorts hélicoïdaux. On asservit au mandrin d'enroulement du ressort 6 un cylindre tournant portant une trace hélicoïdale correspondant à l'hélice du ressort à réaliser et on fait porter par le chariot mobile 1 d'entraînement longitudinal du mandrin, un organe scrutateur du genre cellule photoélectrique orienté vers le cylindre tournant, qui influence le déplacement du chariot mobile. Des organes de contrôle permettent la mise en mémoire des données comparatives qui en résultent en vue de la commande automatique ultérieure de la machine Application aux machines automatiques pour former des ressorts hélicoïdaux.
Patent FR-2358486-A1 (FR)
Title: Procede et dispositif pour le traitement d'articles textiles
Inventor: VENOT JEAN
IPC: D06C7/00
Filed: 1976-07-12
Abstract: L'invention concerne un procédé et un dispositif pour le traitement de fils en mouvement. Le procédé consiste en continu : à délivrer un fil provenant d'un support d'alimentation, à traiter thermiquement un fil en mouvement, à refroidir le fil, à communiquer au fil une torsion provisoire qui remonte dans l'élément thermique, à renvider le fil détordu, éventuellement en le soumettant à un traitement thermique complémentaire, et il se caractérise par le fait que le traitement thermique est réalisé en soumettant le fil à un préchauffage par haute fréquence suivi d'un chauffage classique. De préférence on humidifie le fil avant traitement thermique par haute fréquence. L'invention s'applique plus particulièrement au traitement thermique de fil lors d'une opération de fausse torsion.
Patent FR-2358172-A1 (FR)
Title: Procede de refection des pistes de glace
Inventor: MEUDEC HENRI FRANCOIS
IPC: E01C13/00
Filed: 1976-07-13
Abstract: Procédé de réfection des pistes de glace. Il est caractérisé par le fait que l'on épand de l'eau froide contenant de 0,0025 à 0,1 % et notamment de 0,005 à 0,01 % en poids d'un agent tensio-actif soluble ou miscible à l'eau, et, si nécessaire un agent antimousse en quantité suffisante pour éviter toute formation de mousse pendant la réalisation du mélange ou de l'épandage. Application notamment aux patinoires artificielles.
Patent FR-2363500-A1 (FR)
Title: Endless chain conveyor for agricultural products - has slats joined to side chains with adjustable return loop for tensioning
IPC: B65G19/08
Filed: 1976-09-07
Abstract: The conveyor may consist of a double chain conveyor, the chains being formed by angle iron slats which are welded to chain links at equal intervals. The chain is arranged to run between vertical partitions, which may include ramps upwards or downwards. The chain passes over guide rollers and is arranged to double back over itself to form a loop. The end of the loop has an adjusting screw along each side so that the length of the track the chain runs over may be varied in order to take up stretching in the chain.
Patent FR-2325740-A1 (FR)
Title: File or fleece layer applicator - for cross laying a fleece, utilises a linear motor for laying carriage drive
IPC: D04H1/74
Filed: 1976-09-22
Abstract: In a pile or fleece layer, partic. a cross-folder having at least one laying carriage carrying out a reciprocating motion in a bearing frame, at least one laying carriage is drawn by a device operating as a linear motor. In partic. at least one inductor cam is fixed to the driven laying carriage and is associated with a rail-type counter surface of electrically conducting material locally fixed to the bearing frame. Permits a higher laying carriage speed to be used than the usual mechanical or hydraulic drive systems.