baber/WOPTO huggingface dataset:
Patent FR-2231797-A1 (FR)
Title: Heat treatment for textile fabrics - using a focussed laser beam with adjustable wave length and angle of impact
IPC: D06M10/00
Filed: 1974-05-28
Abstract: Designed to modify the fabrics chemical and/or physical structure, its characteristics and/or its geometric form, the wave length of the laser beam is adjusted according to the absorbtion coefficient to give the required penetration effect, and the angle of impact varied up to 90 degrees, the focussing being arranged to give a narrow or broad beam or a number of beams. The purpose is to treat the fabric without the heat losses experienced in conventional radiated or convected heat processes.
Patent FR-2278007-A1 (FR)
Title: Expansion type sleeper spike - plastic externally notched part inserted in hole in sleeper expanded by taper screw engaging insert
IPC: F16B13/06
Filed: 1974-07-08
Abstract: The sleeper bolt has a circular section of plastic material (1) with a longitudinal hole (16) to house a screw. The centre external part of this plastic piece is notched (6) so as to oppose withdrawal. There is one large notch (18) at the top. There is a type of wood screw (23) and the top of the plastic piece (5) is solid with the main piece and has a smooth hole (1) in it. In the main longitudinal hole is an insert (14) into which the screw bites. This forces the insert outwards, as the screw is tapered, and the notches dig into the sleeper wood to give a firm hold.
Patent FR-2283521-A1 (FR)
Title: Cooling system for suspending walls of reactor vessels - particularly liquid metal cooled fast neutron reactors
IPC: G21C15/12
Filed: 1974-08-30
Abstract: In a device for cooling the upwards extensions of the vessels of a fast neutron nuclear reactor, particularly a main vessel containing the reactor core and a volume of liquid metal coolant at high temperature and a safety vessel surrounding the main vessel, the two vessels being suspended from a rigid cover maintained at low temperature, a neutral gas circuit is provided in the annular space delimited by the two vessels and closed by an insulating structure extending parallel to the underside of the cover for cooling the wall of the main vessel, the wall of the safety vessel being cooled externally. A series of fans is mounted in the annular space for circulating the neutral gas. Prevents the thermosyphon effect arising from the heating of the neutral gas by the main vessel and the cooling by the cooled cover.
Patent FR-2284899-A1 (FR)
Title: Illumination controller for cinematograph film - has intensifier to regulate the aperture by electrical means to compensate for variation in light intensity
Inventor: POLAERT REMY
IPC: G03B39/00
Filed: 1974-09-16
Abstract: The cinematograph camera control device is especially for ultra-rapid film techniques. A detector is used to react to the intensity of light received by the film at the instant of opening of the camera shutter by a micro-channel electronic circuit. The circuit converts the signal to effect the potential applied to the electrodes of the image intensifier to compensate for variations in light intensity so that an illumination level may be maintained which is suitable for the film in use.
Patent FR-2261605-A1 (FR)
Title: Electric switch for vehicle doors - has adjustable mounting flange and actuating plunger with resetting spring
IPC: H01H13/12
Filed: 1975-02-03
Abstract: The switch has a hollow cylinder of insulating material open at each end and an internal flange. At one end is an insert carrying electrical connections which press against the flange. A spindle passes through the cylinder and has an actuating head at one end, and a metal ring at the other one. A coil spring around the spindle lies between the actuating head and the flange and acts to compress the electric contact ring, thus making the circuit between the connections. The mounting flange has a friction fit on the cylinder.
Patent FR-2261124-A1 (FR)
Title: Polyurethane wall covering and lining material - prepd. by compressing flexible polyurethane foam and heating to fuse the cell walls
IPC: B29C59/00
Filed: 1975-02-18
Abstract: Polyurethane materials suitable for use as decorative wall coverings, upholstery fillings, and linings for clothing, are made by compressing elastic or semi-elastic polyurethane foams to change the original configuration of the cells, and applying heat to cause melting of the cell walls, maintaining the heat and pressure until conversion of the cells into the molten state is complete. Products have good decorative appearance, mechanical strength, heat- and acoustic insulation properties, and can be printed on and/or an embossed decorative motif may be applied during manufacture. Densities up to e.g. 400 kg/m3 can be achieved.
Patent FR-2263652-A1 (FR)
Title: SECAM coder for sequential colour-diff. signals - has FM signal and phase-alternating ref. forming correction signal
IPC: H04N11/18
Filed: 1975-03-06
Abstract: The SECAM coder, for sequential colour-difference signals, has an addition circuit to add the sequential colour-difference signals to the output of a sample and hold circuit. A phase discriminator is used to generate a control signal from the output of a frequency modulator and a reference signal that alternates in phase from line to line. The frequency modulator consists of a stop-start oscillator and its signal input is connected to the addition circuit's output. The phase discriminator's output is passed over a low pass filter to the sample and hold circuit's input which stores the control signal for use as correction.
Patent FR-2309455-A1 (FR)
Title: Device inserting missile in firing tube - has rotary drum with spiral rope groove and retaining casing
Inventor: LEBESCON GEORGES
IPC: B66D3/18
Filed: 1975-04-30
Abstract: A missile handling mechanism for inserting the missile in a firing tube has an internal rotary drum (4) with a spiral groove (6) for a rope (7) attached to it at one end and to the device at the other. A cylindrical casing (5) covering the part of the drum carrying the coiled rope is also rotated, and means are provided for sliding the casing in relation to the drum. Drum and casing can be driven at the same speed, and the depth of the groove can be equal to the diameter of the rope. Sliding movement of the casing can be effected by an annulus (11) with which two planetary pinions (12) mesh. These pinions are fixed to screwed rods passing through plain bearings in the flange of the casing and one of the flanges of the drum and engaging in nuts fixed to the other drum flange. The nuts travel along the rods with each revolution of the drive shaft for an amount equal to the groove pitch.
Patent FR-2279639-A1 (FR)
Title: Box for storing film spools - has two bayonet-type guides let into side walls in form of grooves in which lie projections when box is closed
IPC: B65D41/04
Filed: 1975-07-23
Abstract: Box for storing film spools consisting of a disc-shaped base section with cylindrical side walls on which can be set a disc shaped lid section which with its cylindrical side wall in the closed state, grips the side wall of the base section. At least two bayonette-type guides are let into the side wall and consist of a groove which is closed at one side and was parallel to its edges. On opening the groove, a track which was at an angle or on a curve to the upper edge, connects with the bottom side of the groove. Projections are arranged on the inside of the wide wall of the lid secton and when the box is closed these lie in the groove. On opening, they lift the lid section by sliding on the track. Aligning gripper strips are arranged on the outsides of the side walls.
Patent FR-2340628-A1 (FR)
Title: Gain equaliser for UHF band waveguides - comprises lossy resonant cylindrical cavities with adjusting blade attached to waveguide
Inventor: BAVIERE PHILIPPE
IPC: H01P7/06
Filed: 1976-02-04
Abstract: The gain equaliser operates in the tens of gigahertz bands and is partic, applicable to travelling wave tubes. The equaliser is intended to be adjustable and to overcome the problems of heat dissiptation normally associated with such equalisers. The equaliser is in the form of a group of lossy resonant cylindrical cavities (2) attached to the large wall of the waveguide (1) and coupled to it be a hole (22) between it and them. The remote end of the cavity is closed off by silicon carbide pistons (23) carrying an RF absorbent circumferential ring (29).
Patent FR-2317157-A1 (FR)
Title: Motor cycle twist grip assembly - has exchangeable hydraulic brake cylinder and additional switches or cable controls
Inventor: ROTTENKOLBER LUDWIG
IPC: B62K23/02
Filed: 1976-02-24
Abstract: The assembly housing slides over the right hand end of the handle bars and consists of a conventional twist grip (2) to control the engine speed. A brake lever (6), pivoted (5) to the assembly housing, is provided with a projecting cam (11) which bears against a hydraulic push rod (12). The brake cylinder housing (7) is readily exchanged by screwing into the housing assembly. A fluid reservoir with transparent cover is also provided with the assembly. A direction indicator switch, a decompression valve actuator cable and a rear view mirror may also be attached to the housing.
Patent FR-2347807-A1 (FR)
Title: Protection circuit for equipment with DC supply - acts in case of supply grounding or introduction of HV and uses Wheatstone bridge
IPC: H02H3/16
Filed: 1976-04-05
Abstract: A circuit is used to provide protection for electronic equipment in general. It is supplied with current from a DC power source. Protection is offered against accidental earthing of one of the DC lines and the system is protected against the introduction of excessively high supply voltages. The circuit is based on the use of a Wheatstone bridge connected to earth via a high resistance element, the bridge circulating current providing warning of supply malfunction. The bridge output is fed to an amplifier such that when an adjustable threshold is exceeded a protection relay is energised. Both a milli ammeter and voltmeter are included in the system to provide visual level monitoring.
Patent FR-2357302-A1 (FR)
Title: Dispositif de tirage d'un monocristal a partir d'un bain en fusion
Inventor: BOCHET PIERRE
IPC: G05D3/14
Filed: 1976-07-05
Abstract: L'invention concerne un dispositif de tirage d'un monocristal à partir d'un bain en fusion. Ce dispositif comporte notamment une liaison élastique 6 entre une barre de tirage 1 et le support d'un germe du monocristal Cette liaison comporte un dispositif de blocage 5. Application au tirage des monocristaux de perovskite d'yttrium-aluminium.
Patent FR-2359586-A1 (FR)
Title: Perfectionnements apportes aux crayons de maquillage
Inventor: MORANE BRUNO
IPC: A45D40/20
Filed: 1976-07-27
Abstract: Crayon de maquillage. Le crayon de maquillage selon l'invention est constitué d'une gaine en matière plastique de faible épaisseur à l'intérieur de laquelle est contenue une mine de produit cosmétique, la mise en place de la mine pouvant avantageusement s'effectuer par coulage et refroidissement du produit cosmétique à l'intérieur de la gaine. Utilisable pour le maquillage direct localisé des sourcils ou des paupières.
Patent FR-2360145-A1 (FR)
Title: Liq. crystal image memory system - uses smectic liq. crystal giving long duration memory and high resolution
Inventor: BORONKAY STEPHEN
IPC: G02F1/135
Filed: 1976-07-29
Abstract: The system is designed to memorise images and includes a liquid crystal-photoconductor pair. This liquid crystal and photoconductor pair is associated with electrical polarising circuits, a light source which illuminates the pair and a read system. The liquid crystal is a smectique. A liquid crystal and it is initially orientated. The smectic liquid crystals used such that the anistrophy of the dielectric constant can be positive or negative. When the anistrophy is positive the liquid crystal is initially orientated in a planar direction. When the anistrophy of the dielectric constant is negative the initial orientation of the liquid crystal is in a homeotropic direction.
Patent FR-2365351-A1 (FR)
Title: Non-surgical treatment of tachycardia - using a probe for interruption of the His bundle
IPC: A61N1/05
Filed: 1976-09-24
Abstract: A probe for the non-surgical interruption of His's bundle in man has two electrodes for detection and/or stimulation at one end, a flexible guide, opening into a gradual orifice in the wall of the probe next to the electrodes which takes a hollow metal needle which can be inserted into cardiac tissue. This hollow needle is connected at one end to a flexible conduit running the length of the probe, at the other end to a source of necrotising substance, e.g. a halogenated acetic acid, phenol, or a cryogenic material. Used for treatment of auricular tachycardia thus obviating the need for open heart surgery.
Patent FR-2393179-A1 (FR)
Title: Security binding for packages and dossiers - consists of elastic band with adhesive applied to selected parts of surface
IPC: B65D63/10
Filed: 1976-10-12
Abstract: The elastic band is partially gummed (2) for pressure bonding to dossiers and official packages. The band is formed from a rubberoid base, and the gum may be placed centrally or at selected places. The unit may be a simple band or a compound band and may be manufactured flat by stamping from a sheet. The gum moulds the band on the dossier or packet rendering it insoluble and unopenable without the access being evident.
Patent FR-2367993-A1 (FR)
Title: Solar energy collector - with dome-shaped transparent surface and a domed black wall acting as water tank
IPC: F24S23/70
Filed: 1976-10-12
Abstract: The transparent surface of a solar energy collector is dome shaped. It is separated by an air layer connected to an expansion vessel, from a dome shaped absorbent surface. This surface acts as the wall of a water tank. Cold water enters the tank through its base and the heated water leaves via an outlet near the top of the dome. To allow collection of the slanting rays of the sun in the area of the black dome in shade, the inside surface of the transparent cap is aluminised in that area to reflect the rays. Arrangement ensures that the sun's rays always strike some of the surface at 90 degrees so obtaining max. isolation intensity. For collection of the sun's energy.
Patent FR-2368163-A1 (FR)
Title: Dispositif de refroidissement d'une tete laser
Inventor: BRENAC LUC
IPC: H01S3/042
Filed: 1976-10-14
Abstract: L'invention concerne un dispositf de refroidissement d'une tête laser par circulation d'un liquide Ce dispositif comporte notamment un réservoir 2 de ce liquide muni, à sa partie supérieure, d'une membrane étanche au liquide et perméable aux gaz. Application aux générateurs laser solide fonctionnant en déclenché avec une cadence de répétition élevée.
Patent FR-2371372-A1 (FR)
Title: Methode et dispositif de rangement automatique d'un element allonge flexible dans un panier tournant d'axe vertical
Inventor: CHATARD MICHEL
IPC: B65H75/36
Filed: 1976-11-22
Abstract: Méthode et dispositif de rangement automatique d'un élément allongé flexible dans un panier tournant d'axe vertical. L'invention se caractérise en ce qu'on commande les moyens de manoeuvre de l'élément allongé de manière à maintenir constante la forme géométrique de la portion de boucle de cet élément au contact du panier de stockage. Application au forage avec conduite de forage flexible.
Patent FR-2380204-A1 (FR)
Title: Screw pump for solids or liquids - has two parallel archimedean screws rotating in same direction and intermeshing without contact
IPC: B65G33/18
Filed: 1977-02-10
Abstract: The conveyor consists of two Archemidian screws each mounted on a shaft and made from a flat helical strip of material joined to the shaft. The two shafts are parallel and mounted in the same casing and the shaft centres is such that the screws intermesh. The screws are geared together to maintain their relative position. In pumping water the output is 20% higher than by using two separate screws. The combined screw may be used for moving bulk material.
Patent FR-2380019-A1 (FR)
Title: Surgical table jack suitable for remote control - has screw thread for raising or lowering support plate for auxiliary equipment
IPC: A61B19/00
Filed: 1977-02-11
Abstract: The jack for use with a surgical table can be used for manipulating the position of a patient by means of auxiliary equipment. Its head (1) is fixed in position and contains gearing driven through a shaft (8, 9) at one side. This gearing drives a screw thread (2) passing through the head and raises or lowers a plate (6) fitted witha support (13) for the auxiliary equipment. A guide rod (3, 4) each side passes through bushes inthe heads and these guide the movement of the support. Extension shafts can be fitted for remote control from either end of the table.
Patent FR-2362274-A1 (FR)
Title: Four stroke IC engine with external ignition and stratified charge - has fuel injected into ante-chamber to mix with residue from previous combustion
IPC: F02B75/02
Filed: 1977-02-14
Abstract: Cylinder head contains a unit comprising of a thin walled ante chamber (8) whose securing cover accommodates the spark plug (12) and fuel injector (7). A flame channel (13) opens into the main combustion chamber. A weak air fuel mixture is drawn into the main combustion chamber via a conventional valve. Fuel is injected into the ante chamber in a region of from 100 deg. crankshaft revolution before bdc during the induction stroke to 90 deg. before tdc compression stroke. The ante chamber does not take part in the gas exchange and the entire fuel injection remains in the ante chamber during the induction and compression strokes to mix and vapourise with the previous combustion residue.
Patent FR-2381721-A1 (FR)
Title: Moving filter belt for waste water - with suction head to remove particles jammed in the meshes
IPC: B01D33/04
Filed: 1977-02-25
Abstract: Filtering device, for waste water and sewage, is of the type comprising an endless belt with a suction head extending transversely across the return strand of the belt, solid or flocculated particles in suspension in the water are removed. The belt is suitably made from a textile or metallic cloth with meshes of the order of 10-30 mu; it runs round four drums and is provided with upstanding lateral rubber edges. Water enters through the nozzle which covers the width of the belt; the filtered water which has passed through the upper strand of the belt is collected in the tank. The new feature is the suction head; this is placed very close to the belt and two rollers to prevent any deflection of the belt due to the suction. The head removes any impurities jammed in the meshes. Other surface impurities are removed before the belt reaches the head by a rotary brush and the resulting debris is removed for evacuation by a conveyor belt.
Patent FR-2386875-A1 (FR)
Title: Automatic monitoring system for old or infirm persons - has central transceiver to monitor signals from transceivers carried by individuals who require supervision
IPC: G08B21/04
Filed: 1977-04-04
Abstract: The system has a central monitoring unit which can control a number of isolated individuals. The number depends upon the distance of the individuals from the central unit and the max. acceptable time to bring help to them. The control unit has a control desk housing as many lamp indicators as there are individuals to monitor. The desk has also indicators for putting into memory reception of an alert and initiation of help. The central unit has a transmitter and a receiver. Each monitored individual carries a receiver which is tuned to the transmitter of the central unit and a transmitter ensuring liaison with the central units receiver. Each individual wears a bracelet which contains a continuously operating miniaturised oscillator. The oscillator acts on a tuned circuit placed in the transmitter circuit. The local oscillator and transmitter circuit are arranged so that when an interrogation signal from the central unit is received and the oscillator is functioning an "all is well" signal is transmitted. Absence of the oscillator signal actuates an alarm.
Patent FR-2392878-A1 (FR)
Title: Biscuit bagging machine with sleeve - holds bag open and ram pushes biscuits into bag
IPC: B65B43/46
Filed: 1977-06-02
Abstract: The filling machine to supplied with a stack of bags which are fed one at a time to the bagging station by means of vacuum pads. The vacuum pads are operated by means of a cam linked to a rotating mechanism. The vacuum pads travel sideways from the stack by means of the guides on the bar. The product is supplied to a sleeve and is pushed to the bagging station by means of the ram carried on the link mechanism which travels to and fro along the rails.
Patent FR-2384284-A1 (FR)
Title: Elements de reserve photographique
Inventor: LARIDON URBAIN LEOPOLD
IPC: G03C1/72
Filed: 1977-06-06
Abstract: 1 degrés Eléments d'enregistrement à couche de macque à copier photosensible pouvant être utilisés pour la formation de réserves photographiques de type négatif ou positif. 2 degrés Les éléments comportent, dans une couche, un mélange de substances photosensibles additionnées d'un polymère soluble dans un liquide aqueux alcalin, ce mélange comprenant essentiellement au moins une nitrone photosensible et au moins un composé de naphtoquinone-(1,2)-diazide-(2) ayant, comparativement à la ou aux nitrones, une absorption plus élevée des rayons ultraviolets et une absorption plus élevée de la lumière visible. 3 degrés L'invention peut être appliquée dans la fabrication, par voie photographique de circuits imprimés ou d'éléments électriques intégrés et miniaturisés.
Patent FR-2356267-A1 (FR)
Title: Dispositif de convergence excentrique pour un tube a rayons cathodiques a faisceaux en ligne
IPC: H01J29/54
Filed: 1977-06-14
Abstract: L'invention concerne un dispositif pour déplacer en toute direction, un premier faisceau externe parmi trois faisceaux d'électrons en ligne dans l'enveloppe d'un tube à rayons cathodiques. Selon l'invention un agencement 50, 51 produisant un champ magnétique est réglable en rotation autour du col 10 d'un tube à rayons cathodiques, et il a un point interne de champ magnétique nul C placé entre le faisceau central 61 et le second faisceau externe 60 en toute direction sensiblement sans aucun mouvement des deux autres faisceaux 61 et 62. Pour faire converger les deux faisceaux externes 60, 62 sur le faisceau central 61, un second agencement produisant un champ magnétique 40, 41 est prévu. L'invention s'applique notamment aux systèmes de visualisation en couleurs tels que les téléviseurs couleurs.
Patent FR-2400313-A1 (FR)
Title: Outil pour former des sillons
IPC: E02F3/24
Filed: 1977-06-24
Abstract: L'invention concerne un outil rotatif pour travailler la terre, en particulier pour former des sillons. Cet outil comprend un disque 10 agencé pour être entraîné en rotation dans une direction, comprenant des faces planes et une surface périphérique 16, et des éléments 14 pour former les sillons, répartis sur la circonférence du disque, dont les extrémités travaillantes 18 dépassent de la périphérie du disque en faisant un angle avec elle et sont dirigés suivant ladite direction de rotation, au moins les extrémités travaillantes desdits éléments étant formées d'une matière dure, résistant à l'usure. L'outil selon l'invention convient notamment pour planter des semences dans les sols n'ayant pas subi de préparation.