baber/WOPTO huggingface dataset:
Patent FR-2300762-A1 (FR)
Title: Tri-iso-indolo-benzene macrocycle prodn - from phthalic di-nitrile and meta-phenylene-di-amine, for pigments and dyes
Inventor: MIKHAILOV G D
IPC: C07D487/22
Filed: 1975-02-13
Abstract: Triisoindolobenzene macrocycle of the formula (I) is prefd. by reacting phthalic dinitrile (II) with m-phenylenediamine in 3-3.5:1 molar ratio in satd. aliphatic 4-10C alcohol(s) (III) as solvent at 100-150, pref 115-125 degrees C in the presence of 0.2-2% (w.r.t. (II)) of a catalyst for formula MOR (in which M is an alkali metal; and R is H or 1-10C alkyl), followed by sepn. of the end prod. pptd. from the soln., pref. by filtering or centrifuging. The amt. of (III) added is pref. 3-8 times the amt. of (II). Prod. is used in the prodn. of pigments and dyes. The process is carried out in a single stage, uses simple appts. and relatively cheap starting materials, and gives high yields. The cost is low and the reproducibility excellent.
Patent FR-2301947-A1 (FR)
Title: Protection for fixed stopping point motors - uses Peltier junction to limit current in motor circuit, connected to relay system
IPC: H02H7/085
Filed: 1975-02-19
Abstract: Protection for motors (1) with reduction gearing is used with motors which once switched into operation only switch out of circuit when a cycle has been completed. The application is particularly intended for vehicle windscreen wiper circuits etc. where protection is required against excess currents experienced if the mechanism is physically stopped before the cycle is completed. The circuitry is based on the use of a positive temp. coefficient peltier effect junction device (6) providing a resistive link coupled to a protection relay (5). The resistive link is coupled between the manual dashboard switch (4) and one side of the motor controlling cam operated two pole switch (2).
Patent FR-2329481-A1 (FR)
Title: Windscreen wiper liquid sprinkling arrangement - has flexible supply line with diffuser located in wiper arm mounting and hot air line with non:return valve
IPC: B60S1/54
Filed: 1975-03-26
Abstract: The car windscreen wiper comprise an arm which sweeps across the surface of the windscreen, sprinkling a liquid on the glass as it moves. The sprinkler arrangement comprises a delivery system for the liquid which travels through a flexible pipe. The supply line has a diffuser which is located on the arm mounting. The scraper arm forms a channel having two lips which press against the glass. At the end of the stroke of the wiper a ferrule is formed which guides the liquid towards the interior of the scraper. A hot air line delivers air in conjunction with the fluid through a non-return valve.
Patent FR-2314842-A1 (FR)
Title: Handgrip with integrated filament strengthening - has impregnated moulding in thermo hardening resin with filament ends in body or seat structure
IPC: B60N3/02
Filed: 1975-06-18
Abstract: A handgrip has an integrated filament strengthening of considerable strength. It is impregnated with a thermo hardening resin. The filament structure (2) of the handgrip (1) is moulded to the desired shape in prefabricated form. The ends are not impregnated and the ends (2a) of the filament structure are distributed in the structure of the housing. The distribution of the filament assembly is such as to blend in with, e.g. a body structure of a car or in the seat frame of a public service vehicle to form a retainer. This is also done in such a manner as to ensure rigidity of the whole.
Patent FR-2315677-A1 (FR)
Title: Bonding PVC sheathed cords to support flexible camouflage sheet - to prevent the core filaments tearing out of the sheaths
Inventor: WALLIN ERIK WILHELM
IPC: F41H3/02
Filed: 1975-06-26
Abstract: Camouflage sheeting comprises a combination of a sheet or strip material with a supporting network or mesh or cords. The cords comprise a high tensile core surrounded by a fusible sheath for anchoring the sheet to the cords. The joint made leaves >=260 degrees of the sheathing around the core unchanged so that the core cannot readily to torn out of the sheath. Cords have multifilament cores of polyamide or polyester surrounded by a PVC-based sheathing, pref. with additives which produce a surface resistivity of 100-280 ohm (for anti-radar purposes).
Patent FR-2313396-A1 (FR)
Title: Cellulose nitrate or nitrite prepn. - by reacting cellulose with dinitrogen tetroxide or nitrosyl chloride
IPC: C08B5/14
Filed: 1975-07-07
Abstract: Prepn. comprises reacting cellulose contg. 4-12 wt.% of uniformly dispersed H2O with N2O4 or NOCl in the presence of a proton acceptor and a solvent which swells or solubilises the cellulose nitrite product. The reaction temp. is 50 degrees C (pref. 30 degrees C), and the solvent is used in an amt. of >=3 pts. wt. per pt. wt. of cellulose. The resulting cellulose nitrite is opt. further reacted with HNO3 at ca. 110 degrees C to form the nitrate. The products can be converted into alkali metal cellulose sulphates with a low but uniform degree of substitution (DS). Sulphates with DS = 0.3-1.0 form viscous aq. solns. and can be used as dispersant additives for drilling fluids, thickeners for waterflood drive fluids, cosmetic emolli thickeners and stabilisers for food products and cleaning compsns.; and additives for adhesives, wax emulsions, paints and photographic emulsions. Sulphates with DS 0.3 are insoluble but swellable and can be used as absorbents. The nitrites can also be converted into films and fibres.
Patent FR-2319489-A1 (FR)
Title: Mfg. multilayer (semi-absorbent) sheet with adhesive bonded edges - by applying the adhesive to the ends of reeled layers
IPC: A61F13/15
Filed: 1975-07-31
Abstract: Making composite sheets comprises one or more layers of soft adsorbant sheet supported by an impermeable flexible plastic or metallic film, where the layers are super-imposed and wound on to a reel and one or both ends of the roll of the wound layers is coated with a mutual adhesive. The layers are then unwound, suing the supporting layer to break the bond between successive turns. Used for mfr. of impermeable cloths or paper for use as wipes, table linen, tampons etc. Suitable for joining layers of cotton wool, apper or woven fabrics to layers of PVC, polyethylene or polypropylene film. Adhesive edge bonding is more tolerant of layer thickness variations of super position of more than two layers than fusion welding techniques. The overall process is rapid per unit length of sheet, since reeling, coating and unreeling can all be quick operations.
Patent FR-2324039-A1 (FR)
Title: Timepiece with quartz oscillator - is used to synchronise oscillating balance wheel with inductive drive system
Inventor: JEAMBRUN ANDRE
IPC: G04C11/08
Filed: 1975-09-12
Abstract: The timepiece mechanism has an oscillating balance, with an inductive system for maintaining the balance oscillations, supplied with synchronising pulses from a quartz oscillator. The inductive system employs permanent magnets cooperating with an inductive coil, one of which is fixed and the other being carried by the oscillating balance, with the induced magnetic field having at least four zero induction points. At least three magnets (20a, 20b, 21a, 21b) or gps. of magnets are arranged parallel to the oscillation path of the balance, with alternate magnetisation directions. The central magnet (21a, 21b) or magnet gp. occupies a larger sector along the oscillation path than that of the two outer magnets (20a, 20c) or magnet gps.
Patent FR-2286429-A1 (FR)
Title: Metered injector system for chemical cleaning soln. - has inlet control valve with spring loaded control diaphragm
IPC: G05D16/10
Filed: 1975-09-30
Abstract: A constant volume of injected additive for a washing or cleaning machine is achieved by using a differential pressure valve to regulate pressure on injector. Main water supply enters input connection (15) and passes through a restrictor (9) and through a small tube (13) into a chamber (14) where it pressurises a diaphragm (11) held in position by a spring (12). Compression of the spring closes a gap (10) in the regulatory passage, as water pressure rises, thus keeping outflow to injector constant. The valve reacts to an input pressure as low as 1-bar, maintaining delivery within (+-) 5% over a range 1-10 bars.
Patent FR-2338146-A1 (FR)
Title: Astrological chart giving daily programme - using data from zodiac sign, latitude and longitude of birthplace and position of stars
IPC: B42D5/04
Filed: 1976-01-13
Abstract: A guide for the daily routine of a person, according to astronomical data, is based on the sign of the horoscope combined with information from previous annual, monthly or daily horoscopes. It gives significant elements relating to birth and the position of the stars in graphical or alpha numerical form. This guide has entries for the appropriate time according to the stars, the position of the planets, the longitude and latitude of place of birth, the position of premises, other data regarding birth and general data for the year of the astronomical sign. It has a chart of the sky for the month, general data predicted for that month and daily data governing the programme for the day for the person under consideration.
Patent FR-2356064-A1 (FR)
Title: Dispositif d'etancheite pour sortie d'arbre de machine tournante
Inventor: BOSSENS JACKY
IPC: F16J15/34
Filed: 1976-02-09
Abstract: Dispositif d'étanchéité pour arbre de machine tournante. Ce dispositif comporte un premier joint sec, séparant un fluide gazeux à l'interieur du carter et une chambre d'admission pour une fuite contrôlée d'un gaz neutre de barrage à une pression légèrement supérieure à la pression du fluide gazeux, la différence des pressions de part et d'autre de ce premier joint étant faible et maintenue à une valeur constante par un régulateur extérieur au dispositif, la chambre d'admission étant fermée à l'opposé du premier joint par une garniture à portance. La fuite du gaz de barrage à l'extérieur de la chambre d'admission est admise dans un compartiment adjacent, délimité par une bague flottante en appui avec un jeu limité contre une portée solidaire de l'arbre tournant, cette bague créant une perte de charge s'opposant à la pénétration de l'atmosphère extérieure dans le compartiment.
Patent FR-2306825-A1 (FR)
Title: Wood cellulose fibre boards by wet processes - with effluent purified (partly) by various methods, recycled fully
Inventor: NOPPER HERBERT
IPC: D21F1/66
Filed: 1976-02-11
Abstract: A process for the production of fibre boards by a wet technique, in which the effluents from the sieves and from the press are returned in a closed circuit as production water for forming the bands f fibres; includes at least one mechanical purifying stage, to separate out the undissolved impurities, and at least one chemical and/or vegetal/biological and/or bacterial/biological processing stage. Before being used again, the effluent is refined to a residual impurities content which is most suited to the procesS, and only the losses of water dictated by the processing technique are made up with fresh water. In the process, the full flow or only part of the flow of effluent may be purified; the latter being mixed in with the unpurified effluent for recycling. In this case, the part flow- for pref. less than 50% is purified to a residual soluble impurities content of =5 g/l. Environmental pollution is avoided and the effluent is purified economically to a residual foreign matter content of 5 to 7 g/l, according to the requirements of the process.
Patent FR-2343224-A1 (FR)
Title: Heading control for aircraft - has stable platform with three gyroscopes, accelerometers and position servos
Inventor: DUMAS JEAN-PAUL
IPC: G01C21/18
Filed: 1976-03-04
Abstract: A heading and vertical computer unit for aircraft has a stable platform (1) with three gyroscopes 2x, 2y, 2z) isolated from the carrying vehicle's movement by a gimballed mount. One axis (2y) is kept vertical and the two othes (2x, 2z) horizontal by means of position servos on each axis and two accelerometers (or a double-accelerometer (3) on the horizontal axes. There are two vertical servo-loops, one for each accelerometer. At the output of the accelerometer, each loop has a system for compensating the relative rotational speed of the vehicle w.r.t. the earth's rotation. Thus the platform is kept perpendicular to the local vertical. A damping system is used, this being saturated for high vehicle acceleration values.
Patent FR-2342375-A1 (FR)
Title: Offset trapezoidal bucket for back-acting trench excavator - has movable side wall and is mounted on carrier beam by oblique welded brackets
IPC: E02F3/36
Filed: 1976-02-27
Abstract: The offset trapezoidal bucket is for use on back acting trench excavators, is mounted on oblique flange brackets, and has a movable side wall. The system enables the machine to avoid trench side obstacles such as trees and telegraph poles. The machine advances continuously along a path which is offset and parallel to the trench line and the brackets are welded obliquely onto the carrier beam to provide bucket support. The movable side wall is displaced by hydraulics and may be controlled from the operator's cab.
Patent FR-2306814-A1 (FR)
Title: Parting off tool for synthetic thermoplastic pipes - profiled cutter in holder with guide rollers cannot crush pipes
IPC: B26D3/16
Filed: 1976-04-06
Abstract: A tool for cutting synthetic thermoplastic pipes to length, has a tongs-type holder to which guide rollers and a cutter are fixed. At least four centring and guide rollers are provide to hold the tube and between two of these rollers arranged on one of the jaws, a stationary piercing and forming cutter can be adjusted relatively to the tube by a hollow screw and an eccentric lever, under spring loading. The rollers are arranged in pairs opposing each other on the fixed jaw and on the jaw movable to and from it. Cuts, deburrs and angles the pipe in one operation without the possibility of crushing thin walled tubes.
Patent FR-2347670-A1 (FR)
Title: Sampling of liquids for analysis - using peristaltic pump, avoiding errors associated with using pipette
IPC: G01N1/10
Filed: 1976-04-08
Abstract: The sampling of liquids for analysis is described. The appts. incorporates a means to make the liq. circulate in a flexible tube extended into a fine bore tube. One form of the means of circulation is a peristaltic pump, or a pump with rollers. Before the sampling, the fine-bore tube is placed in a rinsing liq. and the pump is started to fill the appts. with this liq. The vol. of the sample taken is determined by a particular number of turns of the rotor. The discharge end of the pump is positioned over the receiver. After the sampling, the fine-bore tube is immersed again in the rinsing liq. and the pump is activated, the discharge end being directed towards the receiver, or towards a drain pipe, according to whether the whole liq. is wanted, or not. The appts. is rinsed with a vol. of liq. equal to several times its own internal vol. The method avoids the disadvantages of using a pipette and reduces the errors.
Patent FR-2312362-A1 (FR)
Title: Single stage moulding of textured particle board - using cold pressing followed by in situ heating
IPC: B27N3/08
Filed: 1976-05-24
Abstract: Particle board with a textured surface produced by direct compression of resin impregnated particles or fibres at ambient temperature by a negatively textured press plate, followed by rapid heating to cure the resin. Produces a textured board more efficiently than processes involving preconsolidation followed by application of a resin coat or a resin impregnated paper and a subsequent pressing operation to laminate on a textured surface. Cold pressure produces a resin rich surface resulting in good reproduction of surface detail. The press plates are used as ohmic resistances for a high frequency heating circuit to achieve heating rates >0.5 degrees C/s.
Patent FR-2373054-A1 (FR)
Title: Floating ship hull checking system - employs closed circuit TV camera with additional processed data displayed on screen
IPC: B63B9/00
Filed: 1976-12-03
Abstract: The hull of a floating ship is checked by a detector such as a TV camera connected in a closed circuit to a receiver. Additional information is added to the display such as relative position and timing. A carriage (10) moves TV cameras in a predetermined pattern over the hull of a ship (11) as determined from a control desk (20). A receiver (12) contains a number of image tubes (135 etc.) corresponding to the number of cameras. A grid (14) is superimposed over each tube to give coordinate data. A data processing unit (15) determines data such as positional data while a second processing unit (18) operating in conjunction with it drives a tracing table (19).
Patent FR-2374538-A1 (FR)
Title: Groupe surpresseur pour liquide
Inventor: PASQUET JEAN-CLAUDE MARIE
IPC: F04B49/00
Filed: 1976-12-16
Abstract: Le groupe surpresseur comprend une unité de pompage 2 reliée à un circuit inclus dans une armoire de commande 3. Le groupe ne consomme de l'énergie qu'aux instants où l'action surpressive est indispensable. L'unité de pompage est monobloc : elle associe deux éléments 6 et 7 en cascade dans un corps de pompe commun 5 qui inclut un thermostat 20 de sécurité et qui supporte deux manomètres. L'emploi du groupe surpresseur entraîne une économie d'énergie. Utilisable en particulier dans les installations de surpression pour alimenter en eau de ville les immeubles industriels ou d'habitation.
Patent FR-2337619-A1 (FR)
Title: Plasticiser screw with helical grooves longitudinally divided - into two strips with staggered pattern of surface undulations
IPC: B29C48/03
Filed: 1977-01-07
Abstract: A screw for an injection moulding machine, extruder or other plastics processing machine has helical ribs (threads) alternating with grooves. Each groove is divided along a central helical line into two parts; each of these parts or strips has an undulating configuration along its length, with a phase displacement between the undulations of the two strips, so that the surfaces of the strips cross each other at a series of points. The strips may be provided along the whole length, or part of the length, of the screw. They may be of constant width, esp. both of the same width, or of varying width. The number of crossing points can be constant or variable per unit of pitch. As viewed in cross-section, the strips can be either circular or polygonal (i.e. with abrupt undulations). Thorough mixing is produced, with dead zones.
Patent FR-2377342-A1 (FR)
Title: Foam generator for hair cosmetics - comprises an aerosol type gas producer, a bubbler and a foam nozzle
Inventor: MORANE BRUNO
IPC: B65D83/14
Filed: 1977-01-14
Abstract: Appts. for producing a foam comprises two parts. One part consists of the liq. container in which a device for the introduction of gas is placed. The container is fitted with a nozzle for the distribution of the foam. The bubbler is fed by gas from the ejection valve of a pressurised container of the aerosol type. The two parts are fixed solidly together by a plate across the top of them, the underside of the plate being shaped to accommodate the push buttons at the top of the containers. Used for the application of hair cosmetics such as colourants and colour fixes. The appts. is less costly to make than the traditional equipment which requires the use of a power driven pump. It produces a better quality foam which is more stable and well developed.
Patent FR-2378944-A1 (FR)
Title: Condensing system for steam turbine - has direct and indirect heat exchangers in condenser and indirect heat exchangers in cooling tower
Inventor: PACAULT PIERRE-HENRI
IPC: F01K9/00
Filed: 1977-01-27
Abstract: The exhaust of a steam turbine (1) is condensed in a condenser (4) and a feed pump (6) returns the condensate to the boiler (2). The exhaust cooled in the condenser by a direct injection water cooler (17) and by an indirect heat exchanger (11). The water from the direct cooler is circulated by a pump (15) through an indirect heat exchanger (9) in a dry cooling tower (7). The water from the indirect exchanger is circulated by a pump (16) through another indirect exchanger (8) in the cooling tower. The air stream in the cooling tower flows over the exchanger (9) serving the direct cooler (17) before the exchanger (8) serving the indirect cooler (11). The combination of direct and indirect cooling makes a dry cooling tower possible for large outputs.
Patent FR-2386201-A1 (FR)
Title: Oscillator tuning circuit in receiver or transmitter - has two=way counters and memory deciding variable frequency
Inventor: PARNIERE ALAIN
IPC: H03J5/02
Filed: 1977-03-29
Abstract: The tuning circuit is used for an oscillator in a transmitter or receiver. It has a logic circuit receiving the oscillator output and defining a variable integral number N such that NK is the frequency of the oscillator output where K is a fixed integral number. The logic circuit consists of an up and down counter counting down on receipt of the oscillator KN frequency and upon receipt of a given fixed integral number A. The contents of the up counter are stored in a memory when the down counter reaches a given count.
Patent FR-2389200-A1 (FR)
Title: Assemblage combustible de reacteur nucleaire a neutrons rapides
IPC: G21C3/322
Filed: 1977-04-27
Abstract: L'invention concerne les réacteurs nucléaires. L'assemblage combustible faisant l'objet de l'invention est du type comportant une enveloppe 1 comprenant à l'une de ses extrémités une tête 2, et à l'autre, un pied 3, et dans laquelle sont logées des cartouches de combustible 4 comprenant des portions 5 remplies de matériaux fissile et fertile 6, ainsi que des cavités correspondantes 7 servant à la collecte des produits de fission gazeux, et est caractérisé en ce qu'il comprend un fourreau 13 monté à l'intérieur de l'enveloppe 1 avec un certain écartement 14 par rapport à ses parois et fixé à l'une de ses extrémités au pied precité. L'invention permet notamment d'accroître la résistance de l'assemblage combustible aux charges mécaniques.
Patent FR-2393968-A1 (FR)
Title: Clip for plastics cover sheet of cloche or greenhouse frame - consists of interfitting square C-section parts with padded edge over which sheet is stretched
IPC: F16B5/06
Filed: 1977-06-10
Abstract: The clips are made up of two pieces each with a square section and such that one can fit inside the other. The outer clip has one long leg which has its end protected by padding (14) so that the plastics film (12) will not be cut by the sharp edge. The film is held by the clips being pressed together. The clips may be used on green houses or cloches.
Patent FR-2360307-A1 (FR)
Title: Nouvel antibiotique
Inventor: WESTLEY JOHN
IPC: A23K20/195
Filed: 1977-08-04
Abstract: L'invention concerne des composés chimiques nouveaux. Il s'agit d'une nouvelle substance antibiotique de formule :
Patent FR-2402406-A1 (FR)
Title: Motorised frame for steam sterilisation of ground - admits steam when steam chests are lowered to ground and cuts it off when chests are raised
IPC: A01G11/00
Filed: 1977-09-07
Abstract: The appts. is carried by a motorised frame and has steam chests which are raised and advanced automatically. The frame is supported on four independent wheels or rollers. Jacks are connected between the frame and the steam chests for raising and lowering them. Steam is introduced into the chests by a system of valves, such that when the chests are lowered for ground disinfection the steam is admitted and it is cut off when the chests are raised. Pressure is exerted on the chests by operating jacks to raise the frame from the ground.