baber/WOPTO huggingface dataset:
Patent FR-2291835-A1 (FR)
Title: Cutting machine hydraulic drive unit - has pressurised gas filled reservoir between pump and knife ram chambers
IPC: B27L5/06
Filed: 1974-11-25
Abstract: The unit is for machines cutting veneer wood, the machine having a frame supporting a table onto which a piece of wood is fixed to be cut into veneer sheets, and a knife actuated by a double-acting ram connected between it and the table. Oil from the two chambers of the ram is returned to a reservoir, an and a mechanism indexes the knife or table at right angles to the direction of the knife stroke after each cut for the thickness of a sheet. Between the pump (17) and the pipes (24, 31) supplying the opposite ends of the ram (9) is a reservoir containing gas under pressure (19), and means are provided to shut off communication between this reservoir and the one end of the ram, and connect it simultaneously with the other end, at the end of each stroke.
Patent FR-2293368-A1 (FR)
Title: One piece blank formed cigarette box - with hinged lid temporarily fixed to body along perforated edges
IPC: B65D85/10
Filed: 1974-12-05
Abstract: The carton is manufactured from one piece of cardboard and is suitable for example for packing cigarettes. The carton has a back (5) and front (1) and the lid is accommodated at one end. The lid is attached to the box along the fold (6). The lid has a matching front (11) and back (7). The tab (36) of the lid fits in the slot n37) in the box. The box blank is formed with perforations along what are to be the abutting edges (28, 33) of the lid and box body, the tabs between the perforations being easily broken when the box is first opened.
Patent FR-2296209-A1 (FR)
Title: Developing grid electrode for photocopier - with bias and spacing of electrode varied with time during development
IPC: G03G15/08
Filed: 1974-12-23
Abstract: The photocopier has a perforated metal electrode plate spaced from the charge image, and through which the toner power is applied to the image. The charge modulation on the elctrode alters the flow of toner. In order to eliminate smearing due to background charges the invention provides a cloud of toner powder at the start of the process with the bias on the electrode altered with time as the development proceeds. At the same time the spacing of the electrode from the charge image is altered gradually, in a controlled manner. The rate of change of bias, and spacing of the electrode are both controlled by a central control to ensure max. contrast copies.
Patent FR-2304241-A1 (FR)
Title: Time switch circuit for stair lights - dims light before switching off by connecting half wave diode between supply and light
Inventor: DIAMAND MICHEL
IPC: H01H43/02
Filed: 1975-03-12
Abstract: The time switch circuit, for stair lights, dims the light at the end of the 'on' period to avoid plunging the user into sudden darkness. When one of the stair buttons (e.g. P1) is depressed, a pair of contacts (I) in the timer (M) closes and the light is powered. Changeover contacts (2) bypass a diode (3) so that the full ac supply (P, N) passes to the light. After a given time these changeover contacts switch the diode in between supply and light, and thereby reduce the latter's intensity. The pair of contacts opens after a further time and the light is extinguished.
Patent FR-2269015-A1 (FR)
Title: Pneumatic rock drill pressure hose support - formed by movable carriage provided with guide rollers having elastically deformable grooves
IPC: F16L3/01
Filed: 1975-04-21
Abstract: Pneumatic hose support including a carriage on which the hose is supported for longitudinal displacement with a drive gear is provided with a guide roller whose part contacted by the hose is arranged to be elastically flexible in the direction of movement of the carriage. Pref. the roller is formed by a pulley whose hub supports a disc of foamed polyurethane and the outer periphery of the disc is protected by an elastic ring. The support is used for locating pressure hose of a pneumatic rock drill. Friction of the hose in contact with the guide roller is reduced and life span and operational capacity of hose is increased.
Patent FR-2314063-A1 (FR)
Title: Tyre fitting and removal press. - has hydraulic ram, upper pressure transmitting discs and different lower wheel rim supporting rings for fitting and removal
IPC: B60C25/132
Filed: 1975-06-12
Abstract: The tyre fitting and removal press has an upper and lower part. The lower part consists of a circular ring (12) with an upper rectangular slot (13) for the wheel rim (3), when used for fitting. For removal, the lower part is a cylindrical ring with a ledge fixed on the outside of the cylinder wall, at a height above the ground. The upper part has a pressur ring (10) with shoulder (11) to fit the wheel rim. Two circular discs (6, 7) have bracing between them (8). The lower plates (6) fits over the pressure ring and a pressure plate (9) fits inside a rim of the upper plate (7), and transmits the pressure from a hydraulic ram.
Patent FR-2326656-A1 (FR)
Title: Liquified gas storage tank - has heat exchanger vapouriser permanently immersed near liquid surface and fixed to float
Inventor: EGLEN FRANCOIS
IPC: F17C7/04
Filed: 1975-09-30
Abstract: The liquefied gas tank incorporates a vapouriser of the heat exchanger type with connections passing through the tank wall. The heat exchanger is movable, with flexible connecting pipes (2,3). It is permanently immersed near the free surface of the liquid, being fixed to a float. The float may be in the form of an open or perforated casing, open at the bottom and covering the exchanger so as to trap part of the gas escaping from it. It may work in an appropriate guide, typically a swing arm (12) pivoting on it at one end and at the other at a point inside the tank.
Patent FR-2298882-A1 (FR)
Title: Three-phase gas discharge lamp - has four main electrodes forming three subsequent axial discharge paths
IPC: H01J61/88
Filed: 1975-10-10
Abstract: The three-phase gas discharge lamp has a bulb filled with a rare gas, or such gas combined with metal vapours or metal halides, and containing main electrodes forming three discharge paths and provided with appropriate current leads. The four main electrodes (2) form three discharge paths, arranged sequentially along the axis of the bulb. The sequentially arranged discharge paths are of identical length. An ignition electrode (4) may be fitted in close proximity of one of the four main electrodes. The current leads (3) of the four main electrodes are arranged in pairs. The current leads of distant electrodes are connected to the same via busbars with an insulating sleeve.
Patent FR-2331894-A1 (FR)
Title: Multiple connector for wires in motor vehicle - has jack incorporated to connect in second ignition contacts
IPC: H01R13/703
Filed: 1975-11-13
Abstract: The multiple connector, for wires in motor vehicles, has a jack incorporated to allow a second pair of ignition contacts to be connected into the ignition circuit with the first pair as for a six-cylinder engine with two ignition coils. The jack assembly (8, 12) is located next to the cable (6) entering the end of the housing (3). The rectangular housing consists of two parts held together by screws and holding a connector block (4) between them. The incoming and outgoing wires and the assembly wires are connected to this block.
Patent FR-2306394-A1 (FR)
Title: Plastic floats for rigid or flexible floating pipeline plastic - with foam tubular core and glass fibre reinforced polyester envelope
IPC: F16L1/24
Filed: 1976-04-02
Abstract: In a system comprising a rigid or flexible pipe provided with at least one float, intended for a floating pipeline, each float being composed of a foamed plastic pre-fabricated core enveloping a specific length of the pipe and a protective outer sleeve of glass fibre-rein forced resin, the core is constructed from a series of separate parts at least two of which have the shape of a ring segment, such signals together forming a ring surrounding the pipe with a small clearance and advantageously being held together by the glass fibre-reinforced unsatd. polyester resin outer sleeve. Plastic may be PVC, polyurethane etc. Whilst not bonded to the pipe surface the floats are held so that they do not slide along the pipe and the foam core is protected against damage by the external, preferably laminated, envelope or sleeve. Used for providing the buoyancy for a floating pipe running from e.g. a sand dredger to the shore.
Patent FR-2311711-A1 (FR)
Title: Pedal drive for paddle pleasure craft - fitted with manually operated clutch on each paddle
IPC: B63H16/20
Filed: 1976-05-20
Abstract: The craft may be inflatable or plastic, with float chambers. The paddle drive is supported on two clamps which fit over the sides of the craft. The drive shaft passes through a bracket on top of the clamp, and the crank shaft extends inwards to form an integral assembly. Foot rests are fitted to each crank. The crankshaft and the paddle drive shaft are locked together by means of a cotter pin resting in a slot. The pin is held in position by a coil spring inside the drive shaft hub. The cotter pin may be pulled out of its slot by the cord and toggle so disengaging the drive to either paddle.
Patent FR-2361452-A1 (FR)
Inventor: GRABER GERARD
IPC: B01D63/02
Filed: 1976-08-10
Abstract: New prod. esp. useful in adhesion, is of formula (I) CH2=CH-CO2-(CH2)2-O-CONH-(CH2)6-NHCO-O-(CH2)2-O2C-CH=CH2 (I). It is prepd. by reacting hexamethylene diisocyanate with beta-hydroxyethyl acrylate, esp. in molar ratio 1:1.8-2.2. The cross-linked prod. (esp. by U.V.) and its use in bonding bundles of hollow fibres, partic. for use in a haemodialyser are claimed.
Patent FR-2325220-A1 (FR)
Title: Cable grommet for small motor - transferring axial pull on cable to machine housing is designed to increase grip as pull is increased
IPC: H02K5/14
Filed: 1976-08-23
Abstract: The grommet is made in two pieces joined by a strip of material forming a hinge. It can thus be closed round the cables at the appropriate point. A projection on the grommet passes through an opening in the machine housing whilst a shoulder formed by an increase in cross section presses against the inner face of the housing. As the grommet when closed grips the cables any axial pull is thus transferred via the shoulder to the housing. The grommet may be further located either by projections registering with notches in an inner housing member, for example a brushgear support plate, or by a clip fitting in a groove on the end projecting through the housing. The grommet is typically a thermoplastic moulding.
Patent FR-2367378-A1 (FR)
Title: Ultra high frequency distributed amplifier - is formed on single substrate using four pole negative differential mobility amplifying stages
Inventor: KAMINSKY DIDIER
IPC: H03F1/18
Filed: 1976-10-08
Abstract: The UHF distributed solid state amplifier uses two parallel lines across which identical active four pole negative differential mobility amplifying stages are connected, in parallel, at set intervals along the two lines. The amplifier is particularly applicable to transponders working at frequencies greater than 12.5GHz. The length and impedance characteristics of the line is such as to ensure that the same signal power level is injected into each of the amplifying stages. The amplifier is laid on a semiconducting substrate (3) itself having a metallic backing (5). The opposite face carries thin parallel conductors extending into pairs of strips (71, 81) at right angles to the line length and over 'N' doped epitaxial areas (41).
Patent FR-2330196-A1 (FR)
Title: Synthetic thread reel drive speed control - converting friction roller displacement angle into direct drive motor control parameter
Inventor: KREHER EBERHARD
IPC: H02P5/56
Filed: 1976-10-25
Abstract: The speed of the reels for synthetic threads with a combined direct and friction drive is controlled by representing each revolution of the synchronous motor driving the friction roller by a pulse sequence. This is compated with a pulse sequence produced by a synchronous reference motor fed from the same source. Any phase shift between them is converted from a pulse width to a voltage. The discrepancy against a desired voltage setting is used to control the sped speed of the synchronous motor which drives the reel directly. This reduces the friction moment for high-speed thread to a min. The desing of the friction roller motor is simple and the speed control operates reliably and exact.
Patent FR-2371219-A1 (FR)
Title: Bag filters with inward flow - are back-blown with air jets at both ends to improve impact effect
IPC: B01D46/04
Filed: 1976-11-23
Abstract: Regeneration of a filter, comprising a number of vertical filter tubes or bags, consists of black-flushing them with compressed air, the pulse ejecting the purified gas through the tubes. The air is injected simultaneously into both ends of the filter tubes. Pref. at the centre of each filter tube or bag the velocities of the opposite flows of gas are increased 5-8 times c.f. the average axial velocity of the gas in the tube. Used for industrial filters used in steel making, prodn. of artificial fertilisers, pesticides, cement, asbestos processing etc. By using jets of air directed simultaneously from opposite ends of the filter tubes the effect of the pulse is doubled for a given air output and the back-flushing is correspondingly more effective.
Patent FR-2378414-A1 (FR)
Title: Dispositif de prise de vue en infrarouge avec un tube a cible pyroelectrique, et systeme comportant un tel dispositif
Inventor: DANSAC JEAN
IPC: H04N5/33
Filed: 1977-01-21
Abstract: Dispositif permettant une exploitation selon le mode panoramique avec une sensibilité très élevée et une possibilité d'observation partielle d'image. Il comporte : des moyens de déplacement 10 relatif du tube 1 par rapport à la scène observée il et des moyens de lecture 5-6-7 de image infrarouge selon un balayage ligne par ligne, le sens Y des lignes étant perpendiculaire à celui X du déplacement de l'image, lequel s'effectue à une vitesse V telle qu'il correspond à un nombre entier R d'intervalles de lignes au cours d'un balayage image, en sorte d'analyser n/R fois chaque point, et des moyens de stockage et d'intégration 13 pour produire n/R intégrations successives du signal vidéo SV. L'invention s'applique à la prise de vue d'images infrarouges.
Patent FR-2380434-A1 (FR)
Title: Ignition circuit for IC engine - has single induction coil with two condensers and one transistor to provide resonant circuit
IPC: F02P7/067
Filed: 1977-02-11
Abstract: An indented rotor (4) revolves close to a coil (1) wound on an iron core. The coild is parallel with two condensers (2, 3) which are in series with each other. The coil and condensers form a resonant circuit. The base of a transistor (5) is connected to one terminal (6) of the resonant circuit through a condenser (7) and to the other terminal (8) through a diode (9). The collector of the transistor is connected to the positive supply. The emitter is connected through a resistance (10) to the system output connection (11). This resistance is in parallel with one of the condensers (3) of the resonant circuit. The output (11) is separated from the negative of the supply by a further resistance (12). The transistor base circuit contains a diode bridge (18, 15, 16).
Patent FR-2384410-A1 (FR)
Title: Air damping of bass frequency loudspeaker movement - is provided by adjustable valve in enclosure wall
IPC: H04R1/28
Filed: 1977-03-18
Abstract: A valve is included in the enclosure for a bass frequency loudspeaker to provide air damping of the moving elements. The valve is adjustable to provide required damping efficiency. A cylindrical tube (1) passes through the wall (2) of loudspeaker enclosure. A flexible membrane (3) is mounted on a ring (4) by gluing or by clips (5) and ensures that a disc (6) is suspended against the exterior of the tube. Holes in the disc permit restricted entry of air to provide damping. Three point mountings (7, 9) with springs permit adjustment of pressure of the disc assembly against the tube.
Patent FR-2386210-A1 (FR)
Title: Circuit de ligne telephonique
Inventor: GRANGE JEAN-CLAUDE
IPC: H04M3/02
Filed: 1977-03-31
Abstract: Le circuit selon l'invention comprend un détecteur DA sensible au courant circulant dans la ligne, un détecteur DB sensible à la tension au point K, et deux générateurs RTG1 et RTG2 délivrant des impulsions de fréquence identique à celle de la tension de sonnerie se présentant aux points de passage à zéro positifs et négatifs, respectivement, de la tension de sonnene. En présence de courant de sonnerie seul, seuls les signaux issus de DA, DB et RTG2 coïncident. Lorsque l'abonné décroche, les signaux issus de DA, DB et RTG1 coïncident également. Ces coïncidences sont détectées et traitées par une logique appropriée. Application à la détection du décrochage en présence de courant de sonnerie.
Patent FR-2389644-A1 (FR)
Title: Acrylonitrile!-based plastic for producing packaging - made by adding latex of (meth)acrylonitrile!-alkyl (meth)acrylate! copolymer to emulsion of acrylonitrile and (m)ethyl acrylate
IPC: C08F265/04
Filed: 1977-05-06
Abstract: A plastic material based on acrylonitrile is formed by adding a latex emulsion of a copolymer contg. 15-35 wt.% (methacrylonitrile and 65-85 wt.% of an alkyl (meth)acrylate (alkyl of 4-12C straight or branched-chain), to an emulsion contg. a mixt. of 60-80 wt.% of acrylonitrile and 20-0 wt.% of (m)ethyl (meth)acrylate, in an amt. sufficient to give a final prod. contg. 1-7% of alkyl (meth)acrylate. The bath is kept stirred at 50 degrees C until polymerisation is complete and the prod. is recovered. The prod. is readily extruded into films or moulded into hollow bodies ('barrier materials'), esp. transparent plastic packaging materials having good vapour permeability.
Patent FR-2395018-A1 (FR)
Title: Plastics massage belt - having pimples on one side and bristle carrying bosses on the other
IPC: A61H7/00
Filed: 1977-06-20
Abstract: A plastics massage belt has pimples on one side and bundles of bristles on the other side. Each bundle of bristles is secured by an anchor device to a boss which is formed on the surface of the belt opposite a pimple. PreF. each boss has a recess receiving the end of the bristles and the recess has a depth equal to the height of a pimple. the base diameter of both boss and pimple is pref. the same. A pref. plastics has a Shore hardness of 80 to 90. The belt can be made by a one-step moulding operation.
Patent FR-2357062-A1 (FR)
Title: Lampe electrique a incandescence a filament cylindrique creux
IPC: H01K1/14
Filed: 1977-06-28
Abstract: Des lampes à incandescence présentant un filament cylindrique constitué par des bandes transversales s'étendant chacune, au moins en majeure partie et de façon espacée, sur la périphérie du cylindre et par des bandes longitudinales reliant lesdites bandes transversales entre elles. Les bandes constituent des trajets de courant électriquement parallèles. Comparativement aux filaments connus, les filaments conformes à l'invention offrent de nombreux avantages: une grande résistance à la déformation, une faible sensibilité au développement de << hot spots >>, un faible poids et une grande compacité. Application : aux filaments des lampes électriques à incandescence.
Patent FR-2395053-A1 (FR)
Title: Swing which can turn through complete circle - has rigid beam with counterweight to balance weight of rider and uses control of swing amplitude
IPC: A63G9/08
Filed: 1977-06-21
Abstract: The swing has a stable base formed by spaced frames(1, 2, 3) on which ball bearings(4) are mounted to carry a shaft(5). The shaft carries a rigid beam comprising two fabricated levers(9) to 14) spaced from one another and connected at their ends by shafts(15, 16). An adjustable counterweight(17) on a shaft(15) balances the weight of the person on the seat(17, 18) carried by roller bearings from the shaft(16). Amplitude of swing can be limited by stops(21, 22). A brake may be controlled by the person on the seat.
Patent FR-2358180-A1 (FR)
Title: Procede et appareil pour produire un dispositif pour la separation des liquides au moyen de membranes semi-permeables enroulees en spirale
IPC: B01D63/10
Filed: 1977-07-13
Abstract: Le dispositif selon l'invention se distingue par au moins un ensemble de couches comportant deux feuilles de membrane 11, une couche poreuse 12 pour la solution d'alimentation et une couche poreuse 14 pour la sortie de la solution filtrée, cet ensemble étant bobiné autour d'un mandrin creux 2 comportant des trous 2a. Un tel dispositif convient en particulier pour l'ultrafiltration.
Patent FR-2359912-A1 (FR)
Title: Buse pour la texturation d'un ou plusieurs fils constitues par de multiples filaments synthetiques sans fin
IPC: D02G1/16
Filed: 1977-07-20
Abstract: Buse destinée à la texturation d'un ou plusieurs fils et comprenant un canal de guidage recevant le fil et à la suite duquel s'étend une chambre à tourbillon pouvant être alimentée en air comprimé par un passage radial, la buse comportant en outre un élement annexe formant embouchure qui présente une ouverture de passage dont la largeur libre est plus grande que le cône de dispersion du courant d'air dans cette ouverture. Dans l'ouverture de passage il s'engage un déflecteur 13 qui forme une fente annulaire 12 et presente du côté de la chambre à tourbillon 3 une surface hémisphérique. L'invention est applicable à des fils composés de filaments synthétiques sans fin.
Patent FR-2398863-A1 (FR)
Title: Handling unit for concrete floor slabs - has crane at side of rail mounted carriage for transfer of slab batch to conveyor
IPC: E04G21/22
Filed: 1977-07-26
Abstract: The machine is operated by one man and is for use in the prodn. of precast concrete floor slabs. The floor comprises parallel inverted 'T' section beams (4) with hollow blocks (6) placed between the webs to receive a concrete deck slab. The machine assembles the beams and the blocks in prepn. for the casting of the slab. The machine utilises a flat wagon (1) running on rails (2), and the beams are located on chairs between and parallel to the rails. A store of blocks, an overhead crane and a second wagon are mounted on the flat wagon. The second wagon supports a conveyor belt n29, 30) parallel to the long axis of the primary wagon and has a forward cantilevering frame supporting a fork-lift mechanism (40).
Patent FR-2363571-A1 (FR)
Title: Nouveaux derives d'alcaloides peptidiques de l'ergot de seigle
Inventor: STUTZ PETER
IPC: A61P9/08
Filed: 1977-09-05
Abstract: L'invention concerne de nouveaux dérivés d'alcaloïdes peptidiques de l'ergot de seigle et leur préparation. Les composés de l'invention répondent à la formule :
Patent FR-2364795-A1 (FR)
Title: Dispositif de freinage de commande hydraulique
IPC: B60T11/34
Filed: 1977-09-16
Abstract: L'invention concerne un dispositif de commande de la pression du fluide de freinage hydraulique. Il comporte une soupape proportionnante actionnée pour réduire la pression du fluide transmise du maître-cylindre aux roues arrière, en fonction du ralentissement du véhicule. Une bille à inertie commande le mouvement de la soupape proportionnante par l'intermédiaire d'une soupape à disque flexible pour augmenter ou réduire la pression aux cylindres des roues amère. L'invention s'applique au freinage des véhicules automobiles.