baber/WOPTO huggingface dataset:
Patent FR-2110333-A1 (FR)
Title: Nickel copper and/or cobalt recovery - from ores contg them with a minor amt of iron
IPC: C22B23/00
Filed: 1971-10-08
Abstract: Method of recovery of =1 of Ni, Co, Cu from materials contg. their oxides and appreciable amts. of Fe characterised in that the material contg. them is selectively reduced to metal in such a manner as to leave the bulk of the iron behind, by passing gaseous chlorine into an aqs. medium contg. the reduced material. The material is first reduced by roasting to convert sulphides and arsenides into oxides, and the bulk of the iron oxide is not attacked by the Cl2 gas. The reaction is simpler and more readily adaptable to different working conditions than prior artreactions.
Patent FR-2187879-A1 (FR)
Title: Lubricating oils - of narrow viscosity index range
IPC: C10G47/16
Filed: 1972-06-01
Abstract: Lubricating oils are prepd. by hydrocracking a hydrocarbon feed contg. a considerable amt. of cpds. with b.pt. >371 degrees C with a conversion per pass of 20-90 (50-80) vol.% of the feed to prods. boiling below the initial b.pt. of the feed; hydrocracking is in presence of a catalyst contg. is not 1 hydrogenating component, and zeolite A, faujasite, zeolite X or zeolite Y as crystalline mol. sieve cracking component; is not 1 lubricating oil fraction with b.pt. >371 degrees C is recovered from the hydrocracking zone. A number of lubricating oil fractions with b.pt. >371 degrees C (371-593 degrees C) esp. 382-593 degrees C and with the same viscosity indices are obtd. A high quality spray oil with b.pt. 343-382 degrees C (354-371 degrees C) can be obtd. as 1 prod. A light neutral oil and a heavy neutral oil, both with viscosity index 95-105, can be produced.
Patent FR-2196396-A1 (FR)
Title: Enamel slurry application to bore of small dia tubing - - by impeller insert
IPC: B05B3/10
Filed: 1972-08-21
Abstract: The slurry is applied by a compressed air turbine driven unit introduced into the tube bore, comprising a housing with an axial hollow shaft, at the end of which is a slurry atomising impeller with radially inclined vanes. The method yields an even thickness layer in the tube bore.
Patent FR-2194366-A1 (FR)
Title: Increasing sugar content of plants - by treating with biuret
IPC: A01P15/00
Filed: 1973-01-15
Abstract: Sugar production in plants is increased by treating the plants which biuret in an amount which is sufficient to increase the amount of sugar to a level which is higher than that which occurs naturally in the plants. The method is particularly suitable for increasing the sugar content of plants which are used for producing crystalline sugar, i.e. sugar-beet and sugar-cane. It can also be used for increasing the sugar content in e.g. oranges, pineapples, carrots, apples, water-melons or potatoes. Significant increases in sugar content are achieved by application of biuret at a rate of ca 0.454-13.6g per 454g of sugar normally produced by the plants to be treated.
Patent FR-2220435-A1 (FR)
Title: Instantaneous opening envelope - has pull thread running along flap fold line
IPC: B65D27/38
Filed: 1973-03-06
Abstract: The letter or package is opened merely by pulling a thread running along the fold of the flap, and which can be a simple sewing thread, glued into place. The special envelope may be used for postal cheques and for other important documents where saving of time on opening may be an advantage. Construction of the envelope is as known, except for the addition of the thread. A sufficient length of thread protrudes from the envelope to be grasped easily by the person opening the envelope.
Patent FR-2226103-A1 (FR)
Title: Tractor mounted machine for pruning, lopping shrubs - has frame bearing two cutters bars, adjustable by system of belts
IPC: A01G3/04
Filed: 1973-04-18
Abstract: The machine consists of a frame attached to the front of a tractor. The attachment points on each side of the tractor frame support two arms, the ends of which are joined by a cross member. The cross member, which is supported in the centre by a bar attached to the front end of the tractor, has a cutter at each end driven through a system of belts and pulleys. The tractor driver can adjust the height of the cutter bars by means of an arm acting on the frame. The cutter bars are also rotatable to positions between the vertical and the horizontal planes, and can be offset.
Patent FR-2213267-A1 (FR)
Title: Pure 1-nitro anthraquinone from mixts with dinitro anthraquinones - by selectively solubilising them in organic solvents with catalyst and base
IPC: C07B63/00
Filed: 1973-07-26
Abstract: Pure 1-nitroanthraquinone (I) is prepd. from mixtures of nitroanthraquinones by treatment of (40-250 degrees C pref. 70-150 degrees C) in organic solvents (N,N-dimethylformamide) contg. is not >10 wt.% water in presence of 0.1-10 wt.% of an inducer liberating nitrite, chloride, bromide etc., by bases (alkali carbonates, amines e.g. trimethylamine) or cpds. contg. >=1 -CH2-group activated by carbonyl, (diethylketone). Amt. of base or carbonyl cpd. is 0.3-3 moles/mole dinitroanthraquinone in the mixt. (I) is an inter for dye mfr.
Patent FR-2196414-A1 (FR)
Title: Multi system circular knitting machine - adapted for knitting pile fabrics with adjustable pile height
IPC: D04B9/12
Filed: 1973-08-14
Abstract: The machine knits pile fabrics with adjustable pile height and has a rotary needle cylinder carrying a set of needles between which are mounted pivotal knock-off sinkers associated with pressing wheels which lay the needles against the needle shafts prior to knocking-off the stitches. A sinker ring is mounted co-axially w.r.t. the needle cylinder for synchronous rotation with the cylinder, the sinker ring having a number of peripherally spaced radial grooves each of which supports a first and a second guide sinker for formation of the backing and the pile loops, respectively, whereby both sinkers are displaced concomitantly radially by a pair of first locking cams diposed above the sinkers and displaced to a different extent by a second pair of locking cams disposed below the sinkers.
Patent FR-2253547-A1 (FR)
Title: Diffusion units for cascade isotope enrichment plant - for enrichment of uranium
IPC: B01D59/12
Filed: 1973-12-11
Abstract: Plant for the enrichment of uranium by gaseous diffusion of an isotopic mixt. of UF6 in the vapour phase, of the known type having a series of stages through which the isotopic mixt. passes in cascade, each stage being delimited by a sealed metallic envelope capable of resisting the chemical action of UF6, but comprising a resistant structure, partic. concrete, suitable for accepting at least part of the forces to which each envelope is subjected while leaving this free to expand over at least part of its extent. Enables the envelope to be constructed from chemically resistant metals or alloys without the uneconomic cost of such vessels which would arise if they also have to be self-supporting and capable of accepting any of the mechanical stresses to which they could be subjected, including the internal pressure of the UF6.
Patent FR-2262434-A1 (FR)
Title: Electromagnetically-driven piston - has dumb-bell shape with hammer-heads linked by magnetised rod and driven by coils
IPC: H02K33/16
Filed: 1974-02-21
Abstract: The electromagnetically-driven piston has a hollow outer cylinder enclosing a laminated from iron core with coils embedded in its inner surface. The axially moving piston travels inside this iron core through the toroidal coils. The piston has the shape of a dumbell with hammer heads at each end and a central portion which is magnetised by a constant d.c. current flowing through a tubular coil around it. The toroidal coils are collected into two groups, each around one hammer head, and are supplied with an a.c. current so that the piston shunts backwards and forwards.
Patent FR-2220044-A1 (FR)
Title: Oxy-acetylene nozzle fixing insert - comprising helical spring to render the connection self-locking and gas-tight
IPC: F23D14/38
Filed: 1974-02-27
Abstract: In the burner the gas and O2 connections are at one end and at the other end is a burner head with a replaceable nozzle, the internal thread of the burner head and the outer thread of the nozzle being connected via a threaded insert consisting of a helical spring. The spring renders the connection self locking and gas tight so that periodical re-tightening of the nozzle is not required.
Patent FR-2265142-A1 (FR)
Title: Self-adhesive label containing competition data - has partial cut line between inner and outer cuts
IPC: G09F3/02
Filed: 1974-03-20
Abstract: The label is partially cut along a contour delimiting a label zone, which can be removed by the user when the label is put onto the product. The support sheet on which the lable is fixed before it is placed on the product has two cuts realised according to closed contours. The contours of the first cut are entirely within the interior of the partial label cut and the contours of the second cut are entirely within the zone which separates the contour of the partial cut of the label and its border. A hidden indication is placed between the label and the support to the right of the zone delimited by the contour of the first cut of the support sheet.
Patent FR-2273135-A1 (FR)
Title: Prefabricated slabs for building constructions - are suitable for horizontal elements such as floors and ceilings
IPC: E04C5/06
Filed: 1974-05-29
Abstract: The building elements consists of concrete slabs suitable for use in horizontal plane constructions, such as floors or ceilings. Each slab comprises a panel, typically of a synthetic resin material, mounted on a prefabricated reinforced concrete backing. The panels are inserted into frames in the concrete backing and the reinforcement takes the form of a metallic grid or trellis. The concrete is compacted by pneumatic forces. The synthetic material has the advantage of reducing the specific weight of the panels and at the same enhances their thermally insulating properties.
Patent FR-2277302-A1 (FR)
Title: Motor vehicle lamp assembly - has lens hooked onto housing flange with annular sealing and enclosing joint
IPC: F21W101/10
Filed: 1974-07-04
Abstract: The assembly comprises a housing (10) incorporating a reflector and open at the forward end, where it has an external flange (12). A front lens (14) is attached by its edge to the flange, typically by a number of hooks (22). An external annular joint (24) overlaps the lens edge and the flange, so as to seal off the assembly completely. The joint can incorporate an annular bead (26) to provide a degree of stiffness and bearing against the outside of the housing, preferably adjacent to the flange. Two lips (28, 30) extend from the bead on opposite sides so as to bear against housing and lens.
Patent FR-2278412-A1 (FR)
Title: Refuse chute cleaning system for multi-storey building - has water spray at top controlled from basement
IPC: B08B9/02
Filed: 1974-07-17
Abstract: The refuse chute cleaning system for a multi-storey building with a set of pipes (11) with sealing joints between sections, and a discharge flap at each section forming the rubbish chute, which carries a ventilation pipe (17) on top, incorporates a water discharge jet (21) inside the top section which discharges an umbrella shaped flow of water over the inside to clean it, the liquid being collected by a container at the bottom. Detergent or disinfectant can be added to water to give a washing fluid, and can be discharged from a siphon tank (22) at the top. The water can be collected and recycled from the bottom collection point and the cleaning system can be operated from this location, possibly by a programmed system. Intermediate jets can be used at lower levels.
Patent FR-2253299-A1 (FR)
Title: Electric equipment safety connector - can isolate the case of the equipment when insulation is faulty
Inventor: VIND H W
IPC: H01R13/70
Filed: 1974-11-28
Abstract: The safety connector (10) for electric equipment (5) comprises a current transformer (12) with a tertiary winding (15). When an insulation fault occurs between a circuit element (7) within the electric equipment and the case (5) of this equipment, a difference between currents in the wires (8, 9) supplying the equipment can occur. The tertiary winding can sense this difference in currents. If the tertiary winding current rises above a preset level, it will actuate a relay or a semiconductor device (11) so as to increase the current demand from the mains. The current can then set-off a fuse (3) and cut-off the mains supply from the equipment. All the component contained within block (10) can be assembled within a normal electric plug if a judicious choice is made of these components.
Patent FR-2298220-A1 (FR)
Title: Asynchronous motor with reduced noise level - is designed with help of harmonic analysis to determine rotor slots to balance harmonic forces
IPC: H02K17/02
Filed: 1975-01-14
Abstract: The analytical method is used specifically for reducing the noise of asynchronous motors, such as those used with ventilation systems, and it details the magnetoon-motive force, the air-gap permeance and force frequencies so that the number of rotor slots may be optimised for minimum harmonic disturbance of the forces. It accounts for the unbalancing forces due to the non-sinusoidal waveforms produced by the stator coils rotating at different speeds to the fundamental magneto-motive force frequency. This method improves upon previous systems where the air-gap was modified to attenuate the harmonic fields but where the magnetization current had to be increased thus reducing the efficiency.
Patent FR-2303542-A1 (FR)
Title: N-(2-pyrrolidinoethyl) amides - with antitussive activity
Inventor: COUSSE HENRI
IPC: C07D295/13
Filed: 1975-03-12
Abstract: New N-(2-pyrrolidinoethyl)amides of formula (I) and their acid-addn. salts (where RCO is an acyl residue derived from phenylacetic, alpha-phenyl-alpha-ethylacetic, diphenylacetic, benzilic, alpha-alkoxy-alpha, alpha-diphenylacetic, or phenothiazine-10-carboxylic acid). Cpds. (I) are antitussive agents, some with an activity superior to codeine and with low toxicity (e.g. LD50 = 560-750 mg/kg, p.o., mouse). A typical cpd. is N-(2-pyrrolidinoethyl)-alpha-phenyl-alpha-ethylacetamide. In an example, this is prepd. in hydrochloride form by reacting alpha-phenyl-alpha-ethylacetyl chloride with 2-pyrrolidinoethylamine.
Patent FR-2319111-A1 (FR)
Title: Differential magnetoresistive displacement pick:up - has two cores and stators giving pulse signals in quadrature
Inventor: SIERRO JEAN-MARC
IPC: G01D5/14
Filed: 1975-07-23
Abstract: A magnetoresistive differential pickup measures the displacement of the moving follower of an instrument measuring linear or angular dimensions. The pick-up has a moving core linked to the follower, with slots or flats to induce pulses in the static part. A second core linked to the follower also has slots or flats inducing pulses in a second static part of the pickup. The pulses from the second core are 90 degree out-of-phase with the first. The pick-up can have 2n cores to obtain 2n signals which are out-of-phase by 90 degree divided by n. A higher resolution may then be obtained.
Patent FR-2324279-A1 (FR)
Title: Dentistry articulator accessory set - has piece fixed to platen with leaf spring and pivoting arm whose free end is received in socket of second piece
IPC: A61C11/06
Filed: 1975-09-17
Abstract: The accessory set is for articulators used in dentistry, having a platen supporting at one end a gantry on which a movable plate tilts. The platen has screws for securing one of the patterns and the plate the other, and the plate angle in relation to the platen is lockable. The plate can also tilt sideways in relation to the platen. A first piece is fixed at the gantry side to the platen (4) and is fixed to a leaf spring (53) having at its free end a pivoting arm (56). A second piece is fixed to the plate (20) and has a socket for the free end of the pivoting arm. This second piece (41) also has a clamp for holding the plate tilted in relation to the platen, and in an angular position in which the patterns are clear of each other.
Patent FR-2337660-A1 (FR)
Title: Marine life saving device - has inflatable bodies strung on line with sea anchor at end and is drawn by craft
Inventor: BUGE ALAIN
IPC: B63C9/26
Filed: 1976-01-06
Abstract: A marine life saving device consists of a line (1) with a set of inflatable bags or bladders (2) attached and with a seat anchor attached to one end. The other end can be attached to a light craft which can encircle the people in the sea so that the line can in turn encircle them, using smaller loops. The whole unit can be enclosed in a compact container ready for use, and a compressed gas bottle (9) employed to inflate the bladders and eject them from one end. The case has a flexible apron (20) to guide the bladders as they are ejected. The bladders are fitted with deflection valves, and can carry smoke signals activated on contact with water.
Patent FR-2341726-A1 (FR)
Title: Escape hatch cover for boat or plane - has H-shaped beading between cover and aperture with retaining lips ripped off by handles in emergency
IPC: E05B65/10
Filed: 1976-02-17
Abstract: The escape hatch cover (2) is for use on boat or plane and is retained in position by lipped (6) edge sealing beads (4). The retaining lips (6) may be ripped away in emergency thus, releasing the cover (2) from the hatch. The removal of the retaining lips may be initiated by handles which are built into the bead construction. The bead may be of an approx. 'H' section with the static wall (3) and the cover (2) edges housing in the opposed channels. Triangular filled (10) notches (16) may be provided at approx. median positions in the lateral faces to form the rupture lines. The handles (11) may be provided at specific locations, e.g. the head of the cover (2) including laminar hook folded extensions (12, 13) which penetrate the beading, and may be deployed by a downward rotation. The hook (13) encompasses the respective retaining lip (6) and forms a pre-ruptured length of lip (6) root.
Patent FR-2344941-A1 (FR)
Title: Electrical machine pole with coil mounted onto core - has screw acting on coil end through block fixed into core
IPC: H02K3/52
Filed: 1976-03-16
Abstract: The pole, for an electric machine, is coupled to an induction coil seated in the core and has one or more retaining elements linked to the induction coil. The retaining elements consist each of a rectangular block (4) locating along one edge into the core (1) and projecting over the top of the induction coil (2) at the opposite edge. A screw (5) passes through a threaded hole in the block and when screwed in acts against the end of the coil pressing it against it seat in the core. The advantage lies in requiring no special tools to mount the coil and in the process being simple.
Patent FR-2306544-A1 (FR)
Title: Terminal for electrical connexion board - has spring loaded bridge member with extensions holding cable ends
IPC: H01R4/48
Filed: 1976-03-26
Abstract: The terminal is mounted on a common back plate or circuit board with other terminals and has an insulating shell with extensions used to snap dit the terminal onto the common back plate. Cables to be connected have the insulated stripped from their ends which are then inserted through apertures (7) in the shell. A metal bridge with two claws is urged away from a connexion bar by a pair of coil springs, with the hooked ends of the bridge passing through the openions in the bar and engaging the undersurface of the bar. A tool inserted into the terminal is used to press one end of the bridge down so that the end of a cable may be inserted under the bar, the bridge then being released so that the hooked end of the bridge clamps the cable against the bar.
Patent FR-2308087-A1 (FR)
Title: Apparatus for automatic selection of measurement devices - is used for measurements in molten metals and chooses appropriate instrument for metal state
IPC: G01D1/00
Filed: 1976-04-07
Abstract: When a measurement has to be made as the material is in transition between states, for example when melting a metal, the method of measurement will be different for each state. A sensor (22) indicates when the state transition takes place and drives a commutator (20) which selects the correct measuring device (17, 18 or 19). The commutator is also driven by a timing clock (24) if the expected time in a given state has been exceeded. the devices successively measure temperature of molten metal (17), oxygen content (18) and temperature of solidifying metal (19).
Patent FR-2318036-A1 (FR)
Title: Document spine binding folder - has adhesive strip and end blocks with reinforcing linen webbing
IPC: B42D3/00
Filed: 1976-04-27
Abstract: The document binding folder allows a bundle of documents to be adhesively attached inside a pair of stiff covers. The two covers (1, 2) are integral with a spine (3) which carries an adhesive strip (4). The edges of the documents of the bundle can then be retained without the need for special adhesive applicator devices. For increased strength, the adhesive strip may include a webbing or linen layer. In addition, end blocks projecting above the adhesive strip may be attached to the spine to locate the bundle at a suitable height within the covers.
Patent FR-2355428-A1 (FR)
Title: Dispositif d'irradiation a haut rendement comportant un tube generateur de rayons x avec anode fenetre
Inventor: SAHORES JEAN
IPC: H01J35/32
Filed: 1976-06-14
Abstract: Dispositif d'irradiation à haut rendement comportant un tube d'émission de rayons X avec anode fenêtre Dispositif comportant un tube d'émission de rayons X muni d'une cathode sous haute tension face à une anode constituée par une pellicule métallique appliquée sur la face interne d'une fenêtre mince transparente aux rayons X et un échantillon limité par une surface d'irradiation face à ladite fenêtre, tels que la face interne de la fenêtre et la surface d'irradiation de l'échantillon ont chacune une forme de calotte continue limitée par une courbe fermée située dans le plan d'attache de la fenêtre. Un tel dispositif assure une irradiation quasi-monochromatique avec un haut rendement énergétique.
Patent FR-2357436-A1 (FR)
Title: Perfectionnements aux emballages d'objets fragiles
IPC: B65D81/02
Filed: 1976-07-05
Abstract: L'invention concerne des perfectionnements aux emballages de protection servant au conditionnement d'objets fragiles. Il se présente sous la forme préférentielle d'un fourreau tubulaire 1 sur lequel est pratiqué un ou plusieurs rétreints élastiques 2 aptes à maintenir l'objet et à le protéger des chocs. L'invention peut être utilisée pour le conditionnement de tubes électriques et électroniques, d'ampoules et de flacons pharmaceutiques, cosmétiques ou alimentaires ainsi que pour tous objets similaires.
Patent FR-2358831-A1 (FR)
Title: Agrochemical composition with film-forming polymer - prevents excessive leaching of pesticide
IPC: A01N25/24
Filed: 1976-07-23
Abstract: Agrochemical compsn. comprises an agricultural chemical and a film-forming polymer having >=1 polyoxyethylene moiety per molecule, a soil fixivity of >=40% and a water vapour permeability of 400-1500 g/m2/24 hr. Suitable agricultural chemicals include herbicides, insecticides, fungicides, nematocides, rodenticides, plant growth regulants, repellents or attractants. A typical compsn. comprises 100 pts. urethane emulsion, 30 parts bromacil and 230 parts bentonite as pellets.
Patent FR-2392239-A1 (FR)
Title: Systeme de propulsion pour avion supersonique
Inventor: MENIOUX CLAUDE CHARLES FELIX
IPC: F02K3/12
Filed: 1976-08-30
Abstract: Système de propulsion optimisé pour avion dont le domaine de vol s'étend dans une large gamme de vitesses. Il comporte, logés dans un même fuseau moteur 1 et montés en disposition concentrique, un turboréacteur externe 2 et un turboréacteur interne 3, le turboréacteur externe 2 s'étendant axialement autour d'une partie resserrée de l'enveloppe 12 du turboréacteur interne 3. L'invention peut être utilisée dans les domaines d'application des moteurs à cycle variable, notamment le domaine des avions de transport supersonique