baber/WOPTO huggingface dataset:
Patent FR-2009392-A1 (FR)
Title: Measurement of the thermal conductivity of gases and - liquids
IPC: G01N27/18
Filed: 1969-05-23
Abstract: Measurement of the thermal conductivity of gases and liquids.. Is independent of the ambient temperature and of the speed of flow of the gases or liquids. A wire is stretched in a chamber, through which the fluids flow, and is heated by electric current pulses applied to the ends of the wire; during each interval between two current pulses, during which the wire is not heated, the cooling of the wire, produced by the surrounding thermal conductors, is measured and recorded. The wire is fed with square-wave voltage pulsed by the intermediary of a pair of rectifiers of staggered polarity which are mounted in series with resistances determining two different current densities. A constant resistance is mounted in series with the wire to eliminate residual temperature errors. The measurement is made without waiting for the wire to attain its equillibrium temperature but the process is operated with frequencies of up to several hundred Hz. A commutator is included which is controlled by the frequency of the repitition of the current pulses through the wire, so as to be closed during each measuring period and open during each heating period.
Patent FR-2067117-A1 (FR)
Title: Admitting gas into the fluid tight upper part of an ingot mould
IPC: B22D11/18
Filed: 1969-11-07
Abstract: Gas is admitted into the upper, fluid-tight part of an ingot mould in a casting installation which has a gas flow regulating valve and an ingot mould enclosure gas pressure detector whose output is connected to the valve to hold the gas pressure in the ingot mould constant.
Patent FR-2081127-A1 (FR)
Title: Vertical ring or mould machine with hori- - zontally divided mould
IPC: B22D15/04
Filed: 1970-03-06
Abstract: Machine has two lateral frames to guide the upper carrier of the upper mould half and hold the lower carrier of the lower mould half. The upper carrier pivots upwards, the lower carrier downwards, when the mould is opened.
Patent FR-2035054-A1 (FR)
Title: Selective naphthene conversion - zeolite catalyst
IPC: B01J29/18
Filed: 1970-03-18
Abstract: Charge comprising hydrocarbons boiling in the range 5 -200 degrees C (esp. 5C and/or 6C hydrocarbons) and contg. paraffins and less than 50% by wt naphthenes (I) is contacted with catalyst comprising a metal suitable for hydrogenation incorporated with a mordenite zeolite (deficient in alkali metal cations) at 275-400 degrees C, 100-2000 psi, an hourly space velocity of 1-30 and molar ratio hydrogen/hydrocarbons 0.1/1. to 15/1 such that I is converted into paraffins without substantial cracking (i.e. no more than 10% by wt paraffins are cracked into 1-4C hydrocarbons); products can subsequently be subjected to isomerisation at temp. below 204 degrees C utilising isomerisation cat. for paraffins in the presence of H2.
Patent FR-2162274-A1 (FR)
Title: Solid state light emitter - using an infra-red to visible light converter
IPC: H05B33/00
Filed: 1971-12-08
Abstract: High energy photon emitter comprising a low energy photon source associated with a converter material capable of emitting high energy photons, onto which the low energy photons can be directed by reflectors so arranged relative to the source that these photons are caused to traverse as lon a trajectory as possible in the converter material to increase the volumetric density of low energy photons in this material while the high energy photons have as short a trajectory as possible therein.
Patent FR-2177518-A1 (FR)
Title: Mandrel for grp tubing - allowing mfr and release of long pipe sections
IPC: B29C53/60
Filed: 1972-03-28
Abstract: Tubing is made by lay-up of polyester resin and reinforcing impregnated filaments on a mandrel having rounded ends about which the filaments are also wound. After hardening, the lay up is cut through just short of th ends to allow the mandrel components to be withdrawn. Mandrels pref. has a body comprising twin longitudinal shells with a mechanism for collapsing the shells radially for withdrawal of the mandrel body from the tubing. Pef. the shells are tied by pairs of pivoting stirrups displaced by wedges adjusted by a lead screw accessible from one end of the mandrel.
Patent FR-2148239-A1 (FR)
Title: Concentration of dilute nitric acid - by-product of conc nitric acid mfr
IPC: C01B21/26
Filed: 1972-08-03
Abstract: Method of and appts. for concentrating dilute nitric acid obtd. in the mfr. of conc. HNO3 or NO2 from oxides of nitrogen made by oxidising ammonia with air under pressure, whereby oxidised ammonia gases are contacted directly with dilute HNO3 and the hot dilute nitric acid produced is passed into a distillation column. The conc. HNO3 forms gas the bottom end of the distillation column and the dilute HNO3 formed in the vapour is recycled to contact the incoming oxidised ammonia gases. The heat in the nitric acid is used efficiently, the dilute HNO3 appearing at the bottom of the distillation columns is concentrated and the water, product of the ammonium oxidation reaction is eliminated.
Patent FR-2212517-A1 (FR)
Title: Igniting anti-frost heaters - using an electrical igniter which may be automatic or thermostatically controlled
IPC: F23Q7/08
Filed: 1972-12-28
Abstract: Pref., fuel oil in open-topped reservoirs is used for local air heating to protect e.g. vines from spring frosts. The chemical mixt. is a rapidly-burning pyrotechnic compsn. An electric circuit connects all the igniters of a series of such reservoirs, for simultaneous ignition. Ignition may be automatic or by a thermostat or by a thermostat responding to the ambient air temp.
Patent FR-2219914-A1 (FR)
Title: Improving chemical resistance of glass bottles - by treatment with vinyl chloride followed by rapid annealing
IPC: C03C23/00
Filed: 1973-03-02
Abstract: The glass container is heated to a high temp. (pref. 630-730 degrees C) and a fixed amt. of gas is blown in, the new feature being that the active gas is a lower alkyl or alkylene chloride, pref. vinyl chloride; after treatment, the container is annealed as quickly as possible. The max. treatment temp. should correspond with a glass viscosity of 1012 poises, and max. time 4 mins. with a cooling rate so that the time in the temp. range equiv. to viscosities between 1013 and 1015 poises is 8 mins. max. A mixt. of gas and air is pref. used in a ratio between 1:3 and 1:4, the amt. of active gas e.g. vinyl chloride, used being 40-70 mg/bottle. The treated bottles are very suitable for injection prepns.
Patent FR-2220379-A1 (FR)
Title: Multicomponent moulding sheet of four layers - polystyrene, coloured polystyrene, Methacrylen, and methacrylate, bottom to top
IPC: B32B27/00
Filed: 1973-03-06
Abstract: Third sheet may be of a transparent connecting mass other than Methacrylen (RTM) Specif. the sheet thicknesses are respectively from bottom to top 4,4,5/10 and 5/10 mm respectively. The methacrylate layer is thus thin in relation to the total product, and the final product may appear to be of an integral piece of methacrylate.
Patent FR-2221867-A1 (FR)
Title: Linear and logarithmic attenuator level indication - involves obtaining output level and degree of attenuation labelling by programmed interpolation
IPC: H03G3/20
Filed: 1973-03-14
Abstract: The appts uses a 10 DB stepped attenuator and two numeric-analogue converter programable interpolators. A primary logarithmic converter allows interpolation of two 10 DB attenuator steps, a linear converter having a switchable gain of 1 or the square root of 10 allows interpolation over a 20 DB range. The attenuator consists of a number of sections individually electronically switched in or out of circuit giving the 10 DB steps a range of 0 to 120 DB. The second converter is similarly controllable over a range of 9 DB in 0.1 DB steps.
Patent FR-2179958-A1 (FR)
Title: Sheet metal working tool - with shock absorbing mounting to reduce tool damage
IPC: B21D22/10
Filed: 1973-04-11
Abstract: A sheet metal working device e.g. for bending or flanging, comprises a lower, table-mounted tool and an upper tool driven by a plunger. This upper tool can slide relative to the plunger in the direction of motion, with a pressure-balancing medium between tool and plunger. This medium may consist of an oil cushion sepd from the upper end of the tool seating by a diaphragm, on a resilient plastics pad, pref. of linear polyurethane.
Patent FR-2197084-A1 (FR)
Title: Elastic dimensionally stable carpet finishes - contg ester of polyol and epoxidised acid, and poly acids as hardeners
IPC: D06N3/12
Filed: 1973-08-22
Abstract: Coating for natural and/or synthetic fibre textile fibrics having good elasticity and dimensional stability comprise (a) esters of 2-6C polyols and 8-22C epoxidised fatty acids contg. >1 epoxy gp. per molecule; and (b) cpds. contg. >=1 8-22C aliphatic gps. and >=2 free carboxy gps. (the ratio of epoxy gps. in (a) carboxy gps. in (b) being 1 : 0.2 to 2.) (a) is pref. epoxidised natural oil or grease; (b) is pref. mono 8-22C alcohol ester, of (poly) citric acid, esters of maleic or trimellitic acid, or 8-22C fatty acid esters.
Patent FR-2204097-A1 (FR)
Title: Eliminating static electricity from surface cover - by coating with electrically conducting enamel
IPC: H05F3/02
Filed: 1973-10-15
Abstract: Elimination of static electricity from a surface cover e.g. of a wall or the ground, which consists of >=1 non-conducting elements e.g. ceramic tiles is effected by covering the surface with an electrically conductive enamel with a surface resistance of 102-107 ohms/cm2 and providing means for ensuring the passage of the electrostatic charges from the surface of an element towards the surface of an adjacent element and/or to earth. Good elimination of static electricity. Good resistance to impacts and heat. Does not affect decorative appearance.
Patent FR-2249653-A1 (FR)
Title: Stable acetyl salicyclic acid salts - having anti-inflammatory, anti-pyretic and analgesic props.
IPC: C07C69/14
Filed: 1973-11-02
Abstract: Novel salts are produced by adding acetyl salicyclic acid in a suitable anhydrous solvent to amino-2-(m)ethyl-2-propan-1, 3-diol also in a suitable anhydrous solvent (e.g. ether and ethanol resp.), stirring the two solns. slowly and recovering the salt produced. These salts are storage stable in normal conditions and are stable for a sufficiently long time in aqs. to enable the latter to be administered by injection. They have analgesic, anti-inflammatory and anti-pyretic properties.
Patent FR-2249631-A1 (FR)
Title: Moulded plastic suitcase - two shells have external reinforcing ribs moulded integrally with them
IPC: A45C5/00
Filed: 1973-11-05
Abstract: The suitcase is formed by two moulded shells (2), each reinforced by stiffening ribs (4) moulded integrally with them. Shells and ribs can be of cellular or honeycomb section plastic, to combine lightness with strength. There can be grooves (6) at the base of each rib for clipping on a decorative trim pieces (7). The method of construction avoids the use of metallic reinforcement with the consequent extra labour in assembly, and additional weight. The decorative trim pieces are polyvinyl chloride and there are projections (8) at the base of each shell forming support feet.
Patent FR-2252587-A1 (FR)
Title: Microscope objective for metallography - has focal length between 2,5 and 8mm, corrected for spherical aberration, coma and astigmatism
IPC: G02B21/02
Filed: 1973-11-27
Abstract: The microscope objective is of the type where the object is separated from the objective by an air layr and is for use particularly in a transillumination or metallography microscope. Where the focal length of the objective is f, the front meniscus nearest the object has a focal length of f-2f and is designed for correction of spherical aberration. Next comes a double lens with focal length 3f-5f, at a distance of 0-02f from the meniscus and the next double lens which has a focal length of 5f-8f. Immediately after this is a double lens with focal length of 12f-20f with a gap of 1, 5f to 3, 5f between it and the final lens. This comprises a negative double lens with focal length of -20f to -10f, comprised of a dispersion lens cemented to a convergent lens.
Patent FR-2327264-A1 (FR)
Title: Colour-stable polyurethane elastomers prepn. - using polyester glycols contg. N-contg. diol residues and dicarboxylic acid residues as polyhydroxyl components
IPC: C08G18/12
Filed: 1973-12-13
Abstract: As at least part of the polyhydroxyl cpds., polyester glycols contg. diol (I) (R1, R2=1-4C alkylene, R3=1-4C alkyl, and R4, R5=1-10C alkyl or R4+R5 may form a hetero ring together with the neighbouring N atom) residues and dicarboxylic acid residues are used. In an example, 292 g adipic acid and 441 g 2-methyl-2-(N,N-dimethylaminomethyl)-1,3-propane were heated for 7 hrs. at 200 degrees C to give polyester diol (acid value 2, OH value 147.6, and mol. wt. 750). Then the above diol (25 pts.) and 250 pts. polyoxytetramethylene glycol (mol. wt. 1500) were reacted for 40 min. at 70 degrees C with 100 pts. methylenebis (4-bhenylisocyanate) dissolved in DMF, mixed under stirring with 148 pts. propylene diamine dissolved in 200 pts. DMF, and mixed at 1000 cP viscosity with 14 pts. monoethanolamine and 14 pts. MeCO2H to give a polymer soln. (28% concn.) with good spinnability which produced easily dyeable and colour-fast filaments.
Patent FR-2260219-A1 (FR)
Title: Thread spooling motor control - has movable core for transformer varying motor control
IPC: B23Q15/10
Filed: 1974-02-06
Abstract: The speed control system uses variable coupling between the primary and secondary windings of a transformer (12). These two windings are formed around a hollow core so that the magnetic core (13) may be inserted or removed to alter the coupling. The transformer output is rectified and, via a transistor Darlington Pair, controls the supply to a motor. When used in spooling textile threads, the thread passes over a pulley system with the magnetic core hanging from the thread. Variations in tension cause the core to move in and out of the transformer, thus controlling the motor speed. In this manner tension variations are avoided. It may also be adapted, by sensing tool movement, to control lathe speeds.
Patent FR-2261079-A1 (FR)
Title: Wire weaving machine for fencing panels - heart shaped apex loops wound around edging wires
IPC: B21F27/02
Filed: 1974-02-15
Abstract: Machine for the auto-weaving of undulating wire grillages e.g. fencing panels, contrives the interlacing of wires (11) transcribing 90 deg. to form a panel (1) of equally spaced parallel wires at 45 deg. to the vertical interlacing with a similar secondary series of wires at 90 deg. to the primary, and features the formation of heart shaped loops (2) at each node with the interlacing of adjacent loops and their attachment to twin horizontal edge forming wires (6, 7). A former (15) bends the wires into the loops whilst permitting the interweaving of loops and edge wires. The mechanism moves the former in increments equal to loop pitch, selects the appropriate successive wire for bending, and returns the former to its start station between loop-forming cycles etc. etc.
Patent FR-2265581-A1 (FR)
Title: Mist disperser for rear view vehicle mirror - has pivotally retractable body passing air over mirror
IPC: B60R1/06
Filed: 1974-03-28
Abstract: The device uses compressed air, caused by vehicle movement, to remove drops of water from the mirror. On the mirror (1) is placed a funnel shaped air collector (2) with an opening (4) facing to the vehicle front. This air is turned through a right angle and emerges so as to cause a flow of air over the mirror face, so removing drops adhering to it. The air collector may be pivotally fitted to the vehicle body where, for example, the mirror is fitted to a door. An alternative is to have a large number of holes penetrating the mirror to allow a through air flow, eddies removing drops. A fine mesh may be placed in the collector to prevent insects going through.
Patent FR-2266478-A1 (FR)
Title: Collapsible display basket for bulk articles - has pivotal front panel above front opening
IPC: A47F5/01
Filed: 1974-04-03
Abstract: The basket (A) is made of wire and comprises a bottom (1) hinged (7) onto the rear face (2). Each side (3, 4) is hinged (8, 9) to the corresponding sides of the rear face. The front edge of the bottom projects forward to form a tray (12) for customer access to the basket. This front section of the bottom is hooked (10, 11) in place on the basket sides. A panel (5) fits part way down the front, leaving the bottom half open, and the panel (5) is hinged (13, 14, 16) to open downwards and outwards. A front plate (20) held in clips (17-19) is used for publicity or pricing. Clips (24-26) on the lower edges provide locations for stacking.
Patent FR-2267736-A1 (FR)
Title: Nose shape measuring instrument - has datum blades sliding on plate with notch accommodating nose
IPC: A61B3/11
Filed: 1974-04-18
Abstract: The instrument comprises a support plate (10) having a notch (13) in one side fitting over the nose. A number of datum blades (20) slide inside the plate and emerge in the notch to bear against the nose. They can be mounted parallel to each other in a common passage passing through the plate, with their free ends protruding from the later on the opposite side to the notch, with hooks on the free ends bearing against the plate edge so that they cannot fall out. The blades are clamped by a spring (24) loaded piston (23) which may be locked by a knurled knob (25) fitting on a threaded stud (26) on the piston.
Patent FR-2229571-A1 (FR)
Title: Automatic transmission and braking system - has transmission actuating potentiometers modified by brake application
IPC: F16H61/21
Filed: 1974-05-09
Abstract: The vehicle has a dynamo driven by it which generates a d.c. voltage proportional to vehicle speed. This voltage is led to three comparators. The comparators operate logic devices and these actuate four lines to four selectors which set going various transmission stages or speeds. Hysteretic effects in three comparators vary response for increasing and decreasing speed. When a braking operation occurs the speed at which the transmission changes are made is increased. Safeguards are incorporated to protect the transmission mechanically. The patent covers particularly road laying vehicles and a speed sensing dynamo driven by the engine.
Patent FR-2234641-A1 (FR)
Title: Toroidal winding machine for small coils for CRTs - has annular flange with rotating drums passing through centre of core
IPC: H01J9/236
Filed: 1974-06-18
Abstract: Deflection coils for CRTs are wound on toroidal cores of small inner dia. The winding device has a detachable part which passes through the centre of the core whilst it is still possible to rotate it. The coil winding annulus has a flange with drums which can each rotate around its axis, and is held in a claw which extends around the annulus for more than 180 deg. Rollers run on the bearing surface of this claw and the annulus is turned by a small gearwheel engaging teeth on its outer rim. Wire is fed from a reel remote from the annulus.
Patent FR-2284761-A1 (FR)
Title: Toroidal IC propulsion engine - has hollow torus allowing passage of discs on cut-away torus driven by jet
IPC: F02C5/02
Filed: 1974-09-12
Abstract: The engine utilises a tubular gun supplied with hydrogen and oxygen, or other fuels, by pumps via solenoid valves controlled by rotary mirrors on a drum and photoelectric cells. Pressure of the explosion acts on the discs of a cut-away torus with toroidal sealing segments. Conical segments engage the cut-away torus, and fit in grooves of a hollow torus. Fuel is delivered as the supply discs pass the intersection of the hollow torus and the vector originating from the torus axis, at right angles to that of the gun. Ignition occurs as an ignition disc passes this same position. the hollow torus allows passage of the toroidal discs, fixed to the cut-away torus, under the action of the jet from the gun. The discs and the base of the cut-away torus can be cast integrally, together with the bearing housing.
Patent FR-2285390-A1 (FR)
Title: 2-Hydroxypropyl-desoxy-vinlaminate - prepd from vinlamine by dehydration, hydrogenation, saponification, and reaction with 1-halo-2-propanol
Inventor: PINON RENE JACQUES FRANCOIS
IPC: C07D461/00
Filed: 1974-09-19
Abstract: 2-Hydroxypropyl desoxyvincaminate (I) is prepd. by the following process (i) vincamine is dehydrated to form apovincamine, (ii) this is hydrogenated to form desoxyvincamine, (iii) this is saponified to form disoxyvincaminic acid, and (iv) converted to an alkali metal salt and reacted with 1-halo-2-propanol. The process gives good yields in all stages, and may be carried out on an industrial scale.
Patent FR-2286938-A1 (FR)
Title: Hinge for furniture or cabinet door - has folded edge of door sheet around hinge sleeves slidable on fixed rod
IPC: E05D7/12
Filed: 1974-10-04
Abstract: The hinge is particularly applicable where a vertical row of doors on cupboards or lockers in involved. The fixed frame of the door has a cylindrical rod (4) down one side with cylindrical sleeves (6, 6', 7, 7') able to rotate on it. The edge of the door to be hinged is curved, enabling it to be locked onto the cylindrical rod (4) by relatively sliding the door edge and the sleeves so that sleeves fit into the ends of the curved edges and form hinge sleeves. The doors have tabs (11) which are bent towards the rod to prevent the sleeves escaping from the curved edges. The sleeves have collars which limit their penetration in the curved edges.
Patent FR-2289105-A1 (FR)
Title: Self propelled corn harvester - has strippers and side elevator to feed cobs into harvest material container
IPC: A01D45/02
Filed: 1974-10-28
Abstract: Self-propelled corn plucker/harvester where, directly connecting to an arrangement of plucker assemblies (6), is a pre-stripper for pre-stripping the corn cobs. Connected to this is a main stripper (3) and a side elevator to feed the cobs into a harvest material container. The motor is arranged in the rear section of the plucker below the harvest material container and the driver's position (10) is between the main stripper and the container. The pre-stripper (1) acts with a horizontally transverse running conveyor worm (2), which feeds the pre-stripped cobs to a thrower (4) from which they are fed to the main stripper.
Patent FR-2290056-A1 (FR)
Title: Cable connector with insulating body - has connection plates on faces of sectors fitting between sectors on similar connector
IPC: H01R13/28
Filed: 1974-10-28
Abstract: The electrical cable connector consists of an insulated body (1) carrying conducting plates or bars (2). This body (1) has at one of its ends, longitudinal cutouts so as to form separated elements in the form of secton of a circle. These elements mate with similar elements formed in a similar insulated body. The plate or bars (2) are fixed on both sides of each of the segments formed in the body, and project through to the rear of it so as to form connection pieces for the cables (3) to be interconnected.
Patent FR-2260785-A1 (FR)
Title: Household scales of spring dynamometer type - has adjustable spring controlling weighing pan support
IPC: G01G3/02
Filed: 1975-02-04
Abstract: A chain (3) has a base and two parallel walls, between which are upper and lower plane parallel levers (6, 7) horizontally hinged at their edges (8, 9) on the chassis walls. The other ends of the levers are horizontally hinged to a vertical plate (10) which can be displaced in a vertical direction. This plate has at its upper and lower edges, centrally placed feet. An adjustable tension spring (16) is fitted between the lower foot and a point (5) situated above the upper edge of the chassis walls. The upper foot projects vertically under a spindle (15) designed to receive the balance pan support plate. The upper lever supports an arm whose free end is connected to a rack and pinion, on the axis of which is mounted an indicating needle spindle (24).