baber/WOPTO huggingface dataset:
Patent FR-2122360-A1 (FR)
Title: Semi-conductor mask oxidising compsn - used prior to soldering of wire connections
IPC: H01L23/29
Filed: 1971-01-22
Abstract: Oxidising bath for the removal of semi-conductor masking layers consisting fuming nitric acid to which has been added 4 (pref. 0.1-2)% HF based on pure nitric acid.
Patent FR-2168959-A1 (FR)
Title: Cable electrostatic shield - for high voltage of lengthwise folded metal strip over semiconductor layer
IPC: H01B7/285
Filed: 1972-01-28
Abstract: High voltage power cable has an electrostatic shield of metal in the form of a strip folded longitudinally so that edges are free to move relatively and accommodate thermal expansion. The cable conductor, or each conductor has an insulation layer between two semiconducting shielding layers. For smaller cables the shield may be plain, and for larger cables is corrugated circumferentially. The strip e.g. of Al, Cu, brass or steel is coated with poly ethylene, PVC or ethylene propylene rubber. An outer insulation jacket is extruded on. The cable does not distort under high temps., the shield has lower resistance and reactance path and accepts charging currents from the semi-conducting layer.
Patent FR-2175677-A1 (FR)
Title: Plastic film carrier bag - with centre section sealed after filling leaving ends open for gripping
IPC: B65D33/06
Filed: 1972-03-17
Abstract: After filling with goods the straight upper edges of the bag are joined together and sealed along a middle section thus partially closing the top of the bag whilst leaving an opening at each side into which the fingers can be placed to compress the middle section and form a handlegrip.
Patent FR-2191886-A1 (FR)
Title: Antiinflammatory imidazo-pyrimidine compsn - contg 7-phenyl-5-hydroxy-2,3-dihydro-imidazo(1,2-a) pyrimidine
IPC: C07D487/04
Filed: 1972-07-07
Abstract: Imidazo-pyrimidine derivs of formula (I): which is known as a stabiliser for photographic emulsions, has now been found to posses antiinflammatory props. It is useful as an antipyretic, antiinflammatory and antirheumatic agents, and may be administered orally, rectally or parenterally, in doses of 0.1-2g.
Patent FR-2197556-A1 (FR)
Title: Coated floor cloth of non-woven fabric - incorporating oil, turpentine and fungicide
IPC: A47L13/17
Filed: 1972-09-01
Abstract: Wiping cloth for household or industry, particularly for floors, comprises a nonwoven fabric impregnated by discontinuous coating with a mixt of mineral oil, turpentine and of bactericidal and antifungal agents. Pref. coating is applied by spraying or from a multi-point roller. The oil may first be diluted with white spirit, later evaporated; and may comprise 2 g/m2 of the fabric.
Patent FR-2201339-A1 (FR)
Title: Cleaning compsn. for vehicle windscreen - contg. alkali, solvent and a surface active agent
IPC: C11D1/00
Filed: 1972-10-02
Abstract: The composition removes traces of crushed insects from windscreens, and contains alkali soluble in a suitable solvent with a surface active agent (sodium lauryl sulphonate). The alkali is a metallic or organic carbonate e.g. sodium bicarbonate. This is an economic and efficient method of cleaning without attacking the paint.
Patent FR-2211524-A1 (FR)
Title: Hydrocarbon pyrolysis - in the presence of steam to form hydrogen and carbon dioxide without accumulation of coke depo
IPC: C01B3/34
Filed: 1972-12-21
Abstract: Appts. for the treatment of a hydrocarbon fuel comprising a device for (a) injecting a combustible hydrocarbon into a pipe and for heating to thermal decomposition temp. of the hydrocarbon, so that coke deposits are formed in a selected part of the pipe at high temp., (b) injecting water into the heated pipe so that superheated steam is formed which reacts with the coke deposits to produce hydrogen and CO which can pass to a cooler part of the pipe leaving the high temp. zone practically free of coke deposits.
Patent FR-2218056-A1 (FR)
Title: Preserving raw grated vegetables e.g. carrots - by treating in aq. soln. of vinegar, salt and sugar
IPC: A23B7/10
Filed: 1973-02-19
Abstract: Raw grated vegetables to be consumed esp. carrot, celery and beetroot, are treated to extend their shelf life by steeping them in an aq. hot soln. contg. 30% vinegar, 2.5% salt and 2% sugar, draining and then conditioning in known manner. Shelf life is improved from 3 days to 12 days and the gustative qualities are not affected.
Patent FR-2178164-A1 (FR)
Title: Dyeing fabric - by immersion in dye bath and drying under reduced press
IPC: D06P5/20
Filed: 1973-03-29
Abstract: Pref. a continuous textile fabric is dyed by passage through a dye bath and then dried in a closed chamber which is at a reduced press. (e.g 10 mmHg) whereby the solvent in the dye rapidly evaporates off. Immediately after dyeing the dye is fixed pref at 210 degrees C by passaged around a series of heated rolls. Pref. the web is heated as it passes through the closed chamber. Migration of the dye is prevented thereby eliminating streaks.
Patent FR-2241256-A1 (FR)
Title: Preventing fungal growth on undried grain esp. maize - by treatment with sodium diacetate dust
IPC: A23B9/26
Filed: 1973-08-23
Abstract: Growth of fungi on undried grain, esp. maize, is prevented by treating the grain with sodium diacetate in such a manner that the latter penetrates through the episperm and suppresses the growth of fungi in the endosperm. The amt. of sodium diacetate increases from 0.4-2.0 pref. 0.8-1.5 wt. % (w. r. t. the grain) with the increasing moisture content of the grain (from 20-35 wt.%) with the proviso that the amt. of sodium diacetate increases by 0.06 wt. % per 1% increase in the moisture content. The corn so treated can be used as cattle fodder, or processed to produce oil, starch, proteins, glucose etc. Corn can be stored without any artificial drying. Sodium diacetate is nontoxic, it even improves the taste of the product.
Patent FR-2199021-A1 (FR)
Title: Synthetic yarn shrinkage - with combined yarn/steam channel to distribute yarn in shrinking chamber
IPC: D06C7/02
Filed: 1973-09-06
Abstract: The system is partic. intended for high bulk yarns, bicomponent yarns, polyesters and polyamide and the like, in a vertical assembly. The yarn passes into a series of fixed channels where it travels with the treatment steam into a distributor where the yarn is fed in a spiral against the heated walls of the shrinking chamber, to be drawn upwards and out through a cooling assembly. The purpose is to provide a continuous process, without any heat shock on the yarn when entering the shrinking chamber.
Patent FR-2252069-A1 (FR)
Title: Method of retailing merchandise in large store - involves use of separate invoicing and payment sectors
IPC: A47F10/00
Filed: 1973-10-31
Abstract: The method is contrived to obviate theft and collusion between cashier and customer. A customer, having selected his purchases, would proceed to the first sector (4) and deposit them, so that they may be referenced and withdrawn at station (5) for anonymous invoicing. When this has been accomplished the purchases would be returned to the customer with an invoice, the purchases being in a transparant package that the customer may check, and the customer would then make payment. Invoiced purchases would be returned at a designated point (7) and be packaged in thermo sealed plastic.
Patent FR-2252838-A1 (FR)
Title: Invalid's carriage with foldable frame - scissor linkage permits side frames to travel inwards to fold flat
IPC: A61G5/12
Filed: 1973-12-03
Abstract: A folding invalid's or wheel chair has each wheel supported by a frame, with the seat (32, 33) and back (16, 17) mounted between them, divided centrally so that both can fold inwards, further frame portions supporting them made up of members so that the whole structure can pivot so that the wheels approach one another to form a compact unit. L-shaped bars carrying the two footrest portions (48, 51) extend forwards from the wheel frames, and the footrest portions (51, 48) swivel inwards. The frame under the seat is X shaped, the two members folding with a scissor action, and carries members to support the seat. These X members carry tubes at their ends to act as pivots for the remainder of the side frames.
Patent FR-2235271-A1 (FR)
Title: Two stroke I.C. engine - has synchronised air or fuel mixture pump to act as scavenger
IPC: F02B33/22
Filed: 1974-01-23
Abstract: Combustion engine consists of two pistons fitted to a common crankshaft reciprocating in two adjoining cylinders connected at the top to form a semi-spherical combustion chamber. One cylinder has an exhaust port which is uncovered by the corresponding piston in the usual way, and the other piston uncovers first an air inlet port and then air fuel mixture port, arranged in it's corresponding cylinder wall as it descends. Two pumps consisting of cylinder and pistons adjoining the combustion block are driven from the same crankshaft offset 180 deg. and at half the radius. One pump piston delivers air via a heat exchange unit and the other piston pump delivers a fuel air mixture. The pump unit delivery ports contain non return flaps.
Patent FR-2264789-A1 (FR)
Title: Rigid syntactic foam for electronic use - mfd from inorganic spheres and inorganic binders
IPC: C04B38/08
Filed: 1974-03-21
Abstract: A rigid syntactic foam made from an association of hollow mineral spheres and a mineral binder esp. aluminium monophosphate or an alkali metal polyphosphate is made by mixing the spheres with the binder, moulding the mixt. under pressure, demoulding, drying and firing the product at 600-1200 degrees C. The spheres are pref. made of glass, alumina or silica and are 10-500 mu dia. Used in electronics esp to protect circuits esp. for mfr. of microwave absorbing masses. The foam does not age or deteriorate in mechanical or electrical properties (dielectric constant and loss tangent) with increase in temp. as do syntactic foams using an organic binder nor does it shrink during moulding, thus improved size tolerances can be held.
Patent FR-2265409-A1 (FR)
Title: 4-Oxo-4-phenyl-2-methyl(ene)-butyric acid derivs. - analgesics, antiinflammatories and hypocholesterolemiants
IPC: C07C59/86
Filed: 1974-03-25
Abstract: Cpds of formula (I) and their salts esp. with arginine, lysine and piperazine: (where R1=H, halo, phenyl, halo phenyl or phenoxy R2=H or alkoxy, or R1 and R2 together form a ring e.g. phenyl or cyclohexyl condensed with the phenyl ring R3=H, when R3=methyl then A and B together form a second bond when R3=methylene then A is H and B form the second bond to R3 R4=hydroxy, alkoxy, morpholino or 3-trifluoromethylanilino) are analgesics, antiinflammatories and hypocholesterolemiants used to treat inflammatory states such as rheumatoid poly-arthritis, lumbago etc and atherosclerosis. (I) are administered orally (in unit doses of 50-1000mg) parenterally, reactally or topically.
Patent FR-2226154-A1 (FR)
Title: Compsn. for prodn. of dental models - contg. resin curable by ultraviolet light, and photo-initiator
IPC: A61K6/884
Filed: 1974-03-29
Abstract: Resin compsns. curable by UV radiation e.g. a mixt. of an unsatd. polyester monomer, and photo-initiator, are used in dentistry, esp. for prodn. of models for dentures. Other compsns. include (1) a mixt. of an acrylic acid diester and a dihydroxy cpd. with a photo-initiator and (2) a mixt. of an unsatd. polyurethane with a photo initiator, and they may opt. contain a thixotropic agent. The photo initiator is esp. a benzoin ether of a prim. or sec. alcohol.
Patent FR-2267716-A1 (FR)
Title: Knitted underwear - has pattern areas formed by applying opaque elastomer using e.g. silk screen techniques to pref. outer surface
IPC: A41B11/14
Filed: 1974-04-22
Abstract: Knitted underwear is patterned by pref. forcing an opaque or coloured elastomeric material through e.g. silk screen or stencil onto pref. the outer surface of the underwear so that the elastomer adheres to the underwear to form a patterned area. Pref. the underwear is panty hose and the panty portion is patterned. The method is cheap and simple and produces an attractive garment.
Patent FR-2270197-A1 (FR)
Title: Hydrocarbon fuel distribution system - has constant press. maintained by ballast liq acting on diaphragm in buffer chamber
IPC: B67D7/06
Filed: 1974-05-08
Abstract: The fuel distribution system incorporates a main tank, a pumping and degassing unit and one or more issuing stations. Means are included for keeping the pressure constant in the distribution piping whatever the rate of flow, even if nil. This can be achieved by a ballast liquid (9) the pressure of which is transmitted to the fuel via a distorting diaphragm (10). The latter can be mounted in a buffer chamber, divided by it into two, the top part being filled by the fuel (8) from the tank, while the ballast liquid is supplied from a vessel above the level of the buffer chamber.
Patent FR-2246781-A1 (FR)
Title: Power take off for pivoting type railway bogie - drive is taken from friction wheel contacts drum on bogie axle
IPC: A63H19/10
Filed: 1974-05-08
Abstract: The power take-off device is designed for use with the pivoting type bogie. One of the axles (3) of the bogie carries a driving drum, in two halves (10, 10') which are secured in place at each end by volted flanges (11). The drum surface is curved to match that of the radius of oscillation of the bogie and is adjustable by screws (22) engaging blocks (20) clamping onto the axle (3). On the wagon (E) is a pivoting arm (30) with a friction wheel (32) at the lower end, the friction wheel being held in contact with the drum by a spring (35). This wheel drives a pulley (33), a belt (34) and the power take-off pulley (33) on the wagon.
Patent FR-2231007-A1 (FR)
Title: Electromagnetic for speed or angular position transducer - generates effective flux variations from small magnetic field variations
IPC: G01P3/488
Filed: 1974-05-22
Abstract: Measurement of speed of rotation or angular position is affected by using teeth which pass in the vicinity of a permanent magnet to induce a voltage in a coil. The body of a transducer (100) is stamped out in one piece from a ferromagnetic material, the base plate (102) having two mounting holes (104, 106). The body contains two cavities (109, 111) separated by a plate (110) with an opening (112). The upper cavity (109) contains the electromagnetic elements comprising a cylindrical permanent magnet (118) of high residual induction and high magnetic flux and also a coil (122). The ferromagnetic core has a base (130) with a tooth which locates in the plate opening (112). The base rests on the plate (110). The elements are impregnated with acrylic resin (142).
Patent FR-2272927-A1 (FR)
Title: Rake to remove material for bulk storage pile - has an additional conveyor mounted on the pivoting arm of the rake
IPC: B65G65/06
Filed: 1974-05-31
Abstract: The rake (1) is for the recovery of material from bulk storage piles and rake can be moved across the face of the pile, tilted to the slope of the face, and runs on rails beside the pile. In order to improve the removal of difficult or frozen materials, the rake carries an auxiliary conveyor (4) complete with its own drive motor (2). This conveyor draws material down the slope of the pile and is in the form of a band of rubber, fitted with transverse ridges, these ridges being, for example, strips of toothed steel fixed to the rubber.
Patent FR-2279254-A1 (FR)
Title: High frequency thyristor generator for ultrasonic atomiser - has thyristor triggered from subharmonic of crystal oscillator
IPC: H03B11/10
Filed: 1974-07-16
Abstract: The thyristor HF generator, for an ultra-sonic fuel atomiser, has a crystal oscillator consisting of a transformer (5, 6) with the crystal (7) and a low-ohmic resistor (8) on one side and the charging capacitor (4) on the other. A synchronising circuit (9) is connected across the low-ohmic resistor and automatically synchronises a clock generatator (10) to a sub-harmonic of the oscillator. The clock generator controls the triggering of the thyristor (3). (The thyristor is connected by the charging capacitor to one side of the transformer). The output is an HF signal modulated by the LF pulses.
Patent FR-2290930-A1 (FR)
Title: Article having quality of phosphorescence - using self luminous additives to mass of article or layer under protective film
IPC: A63H33/22
Filed: 1974-09-02
Abstract: Phosphorescence is obtained by the use of bodies which are natural emitters of radiation visible in the dark. These bodies are incorporated into the material forming the mass of the article or are applied as a layer to its surface, in whole or in part, and covered by a translucid protective film. Patterns may be obtained by the use of studs or inserts fitting in recesses over the surface of the article. Any material which can be moulded or worked is suitable for the article. Electrical power or any additional material is not necessary and no maintenance is required.
Patent FR-2284516-A1 (FR)
Title: Sculling mechanism operated by tiller arm - has vert shaft driving inclined shaft with upper blade oscillating about vert
IPC: B63H1/36
Filed: 1974-09-12
Abstract: The mechanism may be hooked onto the transom of a small boat and consists of a tiller arm which is directly connected to a vertical shaft (14). The shaft is fitted with gudgeons to connect with pintles on the transom. The shaft carries a blade which is able to rock about the vertical plane, through an angle of 45 deg. The blade is mounted in the forked upper surface of a sleeve (10) which is secured to an inner shaft (9) by pins (15). The shaft (9) is inclined 30 deg. to the horizontal and is connected at its forward end to the vertical shaft (4) by a horizontal pin (7). The shaft (4) carries a stop (13) correctly positioning the shaft (9).
Patent FR-2247862-A1 (FR)
Title: Line output stage for television receiver - is applicable to multi standard switching of line frequency
IPC: H04N3/185
Filed: 1974-10-16
Abstract: Multi standard switching of television receivers between the 625 or 819 line standards, can be dangerous for the transistor in the line output stage. This can be avoided if the switching modifies the voltage at the line output stage. In this circuit, this stage consists of the line transformer, its drive transistor and two supply points. One of these is connected to an output of the general service voltage that is virtually constant with respect to some reference; the other can be connected to various levels of auxiliary voltages. The source of these voltages is a supplementary winding on the line transformer, a rectifying diode, a load impedance and a filter capacitor.
Patent FR-2290495-A1 (FR)
Title: Prepn of anabolic zeranol - by culturing microorganism RSA 901 and hydrogenating the product
IPC: C12P17/08
Filed: 1974-11-06
Abstract: c tetradec-12a(16a)-ene (zeranol), of formula (I): is obtained by (a) culturing the microorganism RAS 901 in a medium contg. a sugar, an N source and H2O; (b) extracting the product formed; and (c) hydrogenating the product. (I) is a known anabolic agent, esp. useful for fattening livestock and gives high yields of a high quality prod.
Patent FR-2288870-A1 (FR)
Title: Device for improving combustion efficiency in IC engines - and for reducing oxide pollutants in exhaust gases
Inventor: FURCHNER HELMUT
IPC: F02M27/04
Filed: 1974-10-22
Abstract: An appts. for the treatment of air before combustion to improve the energy yield and reduce oxide pollutants in the exhaust gases of internal combustion engines, comprises a sealed metal casing, e.g. of parallelepipedic form, for fitting between the air filter and the carburettor or fuel injector, having an internal chamber with adjoining compartments separated by metal partitions bonded to the casing, each compartment having a plane, insulated electrode mounted centrally therein over the whole height of the compartment and formed from a network of conductor wires maintained at a high potential by a feed circuit connected to the battery or other source of electrical energy of the vehicle. The electrode system causes dissociation of oxygen in the air to form unstable ozone matls. and free atoms of oxygen, and these give improved combustion of the fuels so that less CO and oxide of nitrogen occur in the exhaust gases.
Patent FR-2255309-A1 (FR)
Title: Pure oxidised or reduced coenzyme A recovered - by adsorption on an anionic exchanger and alternate redn. and oxidn.
IPC: C07H19/20
Filed: 1974-12-18
Abstract: Process for recovering high-purity oxidised coenzyme A (I) from crude (I) soln. comprises (a) contacting the soln. with a water-insoluble anion exhanger to adsorb (I); (b) treating the exchanger with a reducing agent to convert (I) to its reduced form; (c) washing until excess reducing agent and thiol cpds. other than (I) are removed from the resin; (d) treating with an oxidising agent to convert (I) to the oxidised form; (e) washing until excess oxidising agent and other impurities are removed and (f) eluting to recover oxidised (I). To prepare pure reduced (I) the above procedure is followed up to stage (e) but then the resin is treated again with reducing agent, washed to remove excess reducing agent and then eluted. (I) is an essential factor in the biosynthesis of sugars, carbohydrates, steroids and carotenoids. Process is simple and convenient giving a product free from (I) analogues.
Patent FR-2298782-A1 (FR)
Title: Plastics cased cartridge or firework - is formed in die with radial grooves at pointed tip, and hole if required
IPC: F42B7/12
Filed: 1975-01-24
Abstract: The cartridge with a plastics casing e.g. of polypropylene, polyethylene or a polyamide is formed into a shape with a rounded tip, terminating in a point, by forming a cylindrical blank, open at the top, in a die to which heat and pressure is applied. The die may carry radial ribs inside to form a set of lines of weakness on the tip, to interrupting the period of forming in the die, a small hole may be left in the tip to assist bursting and ejection. A firework can similarly be formed, with a hole through the tip of the conical end, for the fuse.
Patent FR-2314484-A1 (FR)
Title: Thermal energy meter for heat exchangers - electrically reheats known fraction of liq. from low temp. end of exchanger
IPC: G01K17/10
Filed: 1975-06-11
Abstract: The device determines the thermal energy given up or absorbed by the liquid in a heat exchanger. A fraction of the liquid taken from the low temperature end of the exchanger is reheated electrically to the temperature of the high-temperature end. The electrical energy consumed represents the thermal energy to be determined. A volumetric or mass flow proportioning device is used to obtain a known fraction of the liquid. An insulating enclosure (F) provides thermal isolation from the environment for the liquid undergoing reheating (B). An electric counter takes account of Joule effect dissipation of heat inside the insulating enclosure.
Patent FR-2315203-A1 (FR)
Title: Telecommunications network with several stations - has stations connected by single undirectional cable and uses hybrid circuits
Inventor: LEOSTIC JOSEPH
IPC: H04Q11/02
Filed: 1975-06-17
Abstract: Stations can transmit and/or receive. The cable is a unidirectional transmission line forming a closed loop and more than 3% hybrid circuits are allocated to the stations. Each hybrid circuit has two input terminals for insertion into the loop, and there is one input and one output terminal. Each station is connected by its output to the hybrid circuit input terminal, and it may be connected by its input to the hybrid circuit output terminal. The transmitted data are frequency multiplexed, and the hybrid circuits may be connected in cascade.