baber/WOPTO huggingface dataset:
Patent FR-2264539-A1 (FR)
Title: Metformin orotate - hypoglycemic, hypocholesterolemic and uricosuric agent
IPC: C07C279/26
Filed: 1974-03-22
Abstract: Cpds. of formula (I): where n = 1 or a whole number >1, is a hypoglycemic which allows regulation of sugar levels without risk of hypoglycemia in diabetics. (I) reduces the uric acid level and is hypocholetsterolemic. It is used to prevent lipid metabolism and uric acid metabolism troubles in diabetics, to treat and prevent acute or chronic gout and complications such as uratic lithiasis, renal gout and articular forms of gout. The cpd. (I) has superior properties to a mixture of orotic acid and metformin and has low toxicity e.g. in Swiss mice oral LD50=1.30g/kg, i.p. LD50=0.55 g/kg.
Patent FR-2265456-A1 (FR)
Title: Impact mill for stone crushing - has blocks forming outer casing externally adjusted to vary shape of crushing chamber
IPC: B02C13/18
Filed: 1974-03-29
Abstract: The impact mill for crushing stone, for gravel and sand, has a motor driven rotor (5) with a steped conical surface (18) onto which the stones fall through an overhead chute (17), the rotor carrying a set of impact arms (6), all inside a chamber (19) between the arms and vertical sets of breaker blocks (8, 9, 19 etc.) supported on casings (11) which are mounted on hinges so that they can be swung open for access to the interior. Each breaker block is mounted on a support incorporating a resilient pad and a srping with an adjusting screw through the middle so that it can be shifted inwards horizontally using an external handle, so that the blocks can be staggered vertically or arranged so as to vary the shape and size of the crushing region (19).
Patent FR-2273644-A1 (FR)
Title: Continuous thermoforming of uniform plastics sheet - by manipulating extruded sheet through inclined mould
Inventor: SVENDSEN JOHAN PER GREIJNER
IPC: B29C48/10
Filed: 1974-06-10
Abstract: Freshly extruded thermoplastic sheet is manipulated by leading it downwards at an angle of 30-60 degrees to pass through a thermoforming tool with an inclined daylight. The edges of the sheet are gripped by finger grips which can allow the sheet to sag slightly as it moves towards the daylight and then draw it taut for mould closure. For mfr. of hollow articles from matls. with a relatively low strength of stiffness at near extrusion temps., e.g. polyolefins. By leading the matl. through part of an approximately catenary path less thickness which variation is induced by matl. flow or droop than in processes which lead the hot sheet across a horizontal gap or which cause it to support its own wt. during vertical motion.
Patent FR-2274824-A1 (FR)
Title: Ball joint coupling for trailer drawgear - has elastomer cover and cap over ball held in female part
Inventor: DOMER
IPC: B60D1/50
Filed: 1974-06-13
Abstract: There is a packing of elastomer (3) between the ball itself and the female part of the drawgear. This packing is inserted between the ball and a covering cap (4) over the ball. The elastomer packing adheres to both the cap and the ball. The packing can be applied with a compression preconstraint. The female part of the coupling is generally cylindrical with the front spherical and the covering cap (4) is in two half shells which are hemispheres with an elliptical outer part to form a stop between the packing and the drawgear. A curved part of the drawgear (8) goes over the ball cap and a key (12) retains the ball in position.
Patent FR-2244587-A1 (FR)
Title: Reducing the grain size of cast aluminium alloys - by retarding grain-refinement in blocks for remelting
IPC: B22D7/00
Filed: 1974-08-08
Abstract: In the mfr. of Al or Al alloy blocks intended for remelting, e.g. in foundries, B, Ti or a similar material in the form of a pre-alloy or salt is added to the initial melt. The novelty is that the grain-refining agent is added immediately prior to, or during the casting of the blocks so solidification occurs before expiry of the incubation time needed for max. grain-reinfinement, i.e. before 30 mins. and pref. before 20 mins. Better grain-refining when remelting blocks and slower grain growth during holding times. are obtd.
Patent FR-2241338-A1 (FR)
Title: Emergency high pressure gas supply - for use on an aircraft for starting up jet engines or providing hydraulic and electrical power
IPC: B64D41/00
Filed: 1974-08-23
Abstract: Prodn. of high pressure gases for driving a pneumatically operated energy source, partic. for starting aircraft jet engines in flight in an emergency or on the ground where no starting equipment is available, comprises (i) storing a quantity of liquefied gas (I) esp. N2 (ii) storing a quantity of solid heat-storing material (II) in a vessel, (iii) heating (II) to convert it to its liquid phase, (iv) transferring a quantity of (I) into the storage vessel for bringing it into heat conducting contact with the liquefied (II) in order to evaporate it within the vessel and to cause (II) to solidify the transport of the vapour of (I) from the storage vessel to an energy source operated by pressure. Provides a convenient and compact arrangement for producing pneumatic energy on board an aircraft for conversion in emergency to electrical and hydraulic energy and for driving the air turbine to start up jet engines.
Patent FR-2284742-A1 (FR)
Title: Metal mounting frame for door frame - has mortise and tenon joined bias cut sections in guide members
IPC: E06B3/988
Filed: 1974-09-13
Abstract: The metal mounting frame for a door frame has two post sections and a head section joined at 45 deg. mitred ends. The end are formed with mortises and tenons which lock the sections together. Four angle section members are used to guide the corners into their correct orientations and have channel cross sections. The sections can be easily stocked and manufactured and coated with finishing paint. The sections are joined after application of mastic at the joint faces.
Patent FR-2287649-A1 (FR)
Title: Free flame gas burner for furnace - has sealing sleeve extending from cylindrical body with helical partition
Inventor: PREZAT JEAN JOSEPH RAYMOND
IPC: F23D14/74
Filed: 1974-10-07
Abstract: The burner consists of a cylinder of constant diameter which is attached to the end of a frusto-conical sealing sleeve so that the velocity of the gases in the burner decreases. Air and gas are supplied to the burner. Combustion ends a few centimetres downstream of the burner. The inside of the burner is divided by a helical partition, so that the gases passing along the burner are given a rotational spin. This results in efficient mixing at the combustion stage. The dimensions of the outlet may be varied depending upon the flame form required.
Patent FR-2258737-A1 (FR)
IPC: F03D9/25
Filed: 1974-10-16
Abstract: An electric generator arrangement has at least two wind or water wheels rotatably mounted on a common stationary shaft and coupled such that they rotate in opposite directions with a given ratio or a progressively variable ratio. The wheels carry the two cooperating parts of a first generator and may also each carry the rotor of a second or third generator cooperating with a stator on the shaft, the field excitation or current loading of the second and/or third generator being used to control the speed of the wheels.
Patent FR-2249606-A1 (FR)
Title: Pot plant container with water reservoir - fits inside flower pot and has upright tube indicating water level
IPC: A01G9/02
Filed: 1974-10-31
Abstract: A plastic container giving controlled watering of pot plants. The roots grow in a water retaining material and the container can be placed inside a standard flower pot after being sold. The container (1) has perforated sides (2, 3) and a top flange (5) to stiffen and support it in the pot (6). The perforated raised base (7, 9, 11) is shaped to form a water reservoir and it has feet (4) for standing. A transparent tube (13) is mounted vertically on one side and contains a light, sliding rod fitted with a hollow plastic ball at the end. This floats on the water surface and indicates the water level.
Patent FR-2290661-A1 (FR)
Title: Specific gravity and flow rate measurement for fluid - involves determining force to drive reciprocating tube filled with fluid
Inventor: PAVLIN CYRILLE FRANCOIS
IPC: G01F1/84
Filed: 1974-11-08
Abstract: The apparatus is used for measuring the specific gravity and the mass flow rate of a fluid passing through the pipe and it comprises a section of tube (1) containing the fluid, together with a motor (40) and a system of cranks (41, 42) which are used for communicating an alternating movement to the tube (1). Measuring devices are fitted to the apparatus to determine the force required to do this. This acceleration of the tube is measured simultaneously and the force is divided by the acceleration to give the mass of the fluid in the tube.
Patent FR-2251976-A1 (FR)
Title: Sealed electro-acoustic transducer - has membrane equalising internal and external pressures
IPC: H04R1/44
Filed: 1974-11-14
Abstract: Sealing is achieved with pressure equalisation between the interior and exterior and without the sensitivity being affected by pressure variations. The transducer is built in a sealed box with an intermediate boundary (1) and with two openings. One opening, containing a thin waterproof membrane (11) in the form of a sack, has a cover (3) with a hole (10) which permits equalisation of the internal and external pressures. The other opening is covered by a loudspeaker comprising a cradle (5) pressed against the opening with the aid of a seal (6) by a perforated cover (4) to permit sound transmission from the electromagnetic system (9). A thin waterproof membrane (7) provides a seal between the cover and electromagnetic system.
Patent FR-2256055-A1 (FR)
Title: Caravan with collapsible walls - has rollers on upper wall edges running in roof tracks
IPC: B60P3/34
Filed: 1974-12-31
Abstract: The caravan consists of a normal type chassis (1) mounted on a transverse axle and wheels (2). The chassis is rectangular, with its upper face open. There are horizontal edges (1a), (ub), (1c), (1d) around the top of the rectangle. Around these are rigid panels (3), (4), (5) on hinges (7). The panels can move from horizontal to near vertical positions. There are projections and slide ways associated with the panels to assist in opening and closing. There are jacks (25), (26), which help in these sections, which are pivoted also. The roof has a flexible seal around its lower perimeter for weather proofing in the housed and erected positions. The upper edges of the end walls have cylindrical projections acting as guide rollers running in tracks on the roof.
Patent FR-2303304-A1 (FR)
Title: Camera flash exposure unit - is fitted with row of flash bulbs and means indicating all bulbs have been ignited
IPC: G03B15/04
Filed: 1975-03-05
Abstract: The flash exposure unit, for a photographic camera, has a number of flash bulbs arranged in a line, with the terminals of each flash bulb connected to two input terminals of the flash bulb, across which a predetermined potential exists, when all the flash bulbs have been ignited. An ignition circuit is connected across the input terminals, for selecting each flash bulb in turn, and igniting it in synchronism with the camera exposure sequence. A detection circuit using a transistor responds to the predetermined voltage across the input terminals, for supplying a signal to an inhibit circuit, which prevents the camera from operating a further exposure sequence.
Patent FR-2267739-A1 (FR)
Title: Dentist's hand drill - has sealing joint in rear end chamber for drive unit or lubricator tube
IPC: A61C1/00
Filed: 1975-04-03
Abstract: The drill contains a rotary spindle driven by a motor at the rear end, and also a pressure lubrication unit, for which a drain tube can be inserted in the hollow rear part. A joint (12) is provided, sealing off the chamber (11) formed in the rear of the instrument (1) when either the drive unit (6) or the tube are inserted. The joint can be in the form of a sealing ring, and it can be on the end face of the instrument housing or the front face of the drive unit, or alternatively on the internal wall of the chamber or the external wall of the tube.
Patent FR-2304131-A1 (FR)
Title: Teaching machine for digital signal production - has flexible arrangement for integrating circuit elements within a test box assembly
IPC: G09B23/18
Filed: 1975-04-09
Abstract: The teaching machine comprises a desk-like unit made from anodised aluminium, or similar, with a short horizontal top surface with a switch (18) for connecting the internal circuit elements with a signal generator and signal output bushes (20) for logical "0" and "1" signals and also a light-emitting diode (22). The sloping panel has positions for a variety of electronic components which may be attached to the underside of the panel which is attached by two clamping screws (13). Circuit connections may be made by extra switch units (30, 32, 34) so that circuit components may be "integrated" at will to check the effect on the signal output. A paper may be placed over to enable the student to trace a copy of the experimental circuit arrangement.
Patent FR-2278519-A1 (FR)
Title: Power take-off for agricultural and building machines - consists of motor with additional reduction gear and shaft
IPC: B60K17/28
Filed: 1975-05-20
Abstract: The drive shaft is rigidly fixed to the primary part of a hydrokinetic coupling; in turn, the drive shaft is connected by means of a universal coupling to the universal joint shaft. The outlet of the secondary part of the hydrokinetic coupling consists of a drive shaft, the free end of which has cog-wheel engaged in another cog-wheel. The second cog-wheel is rigidly fixed on a secondary shaft the end of which is formed by a power take-off stub shaft. Between the second cog-wheel and the power take-off stub shaft is a disc clutch.
Patent FR-2314467-A1 (FR)
Title: Automatic firearm feed mechanism - has row of cartridges in spiral magazine parallel or coaxial to barrel
IPC: F41A9/77
Filed: 1975-06-13
Abstract: The automatic firearm feed mechanism accommodates a number of cartridges in a magazine. The row of cartridges is wound in a spiral along an axis parallel or coaxial to the barrel, the last one being delivered onto the axis of the firing chamber on insertion. The empty case is ejected, and replaced on the return stroke by the next cartridge, the whole row moving forward one place. There can be a spiral partition in the magazine, keeping the axis of each round constantly on those of barrel and spiral. The rounds can be fed to the firing chamber by a continuous open-linked belt.
Patent FR-2315618-A1 (FR)
Title: Ignition circuit for IC engine - has protective transistor switch which responds to Zener diode voltage
Inventor: RANDRIAMANENTENA W
IPC: F02P11/00
Filed: 1975-06-26
Abstract: The ignition circuit, for an internal combustion engine, has a circuit breaker connected between the electrical supply and the electronic ignition circuitry. This breaker is operated when a fault occurs and disconnects the supply from the ignition circuitry and protects the ignition circuitry from damage. The fault detector consists of a Zener diode and two resistors connected between earth (negative supply pole), and the power transformer that supplies the spark gap. The Zener diode anode is connected to the base of the transistor that acts as circuit breaker.
Patent FR-2315304-A1 (FR)
Title: Drying sewage sludge by natural drainage and pressure straining - on two conveyor screens of successively finer perforations
IPC: B01D21/00
Filed: 1975-06-26
Abstract: The sludge is passed between an advancing strainer screen, such as a perforated conveyor band or rotary drum, and a pressing element such as a conveyor band which progressively approaches the strainer screen. Two separate strainer screens are now used in succession, the first serving to drain the sludge naturally, or at very light pressure, and the second on which the pre-drained sludge is pressed to extract further moisture. The two strainer screens are pref. of different mesh sizes, the first screen pref. having perforations of the order of 400 to 1500 microns while the second has perforations of the order of 80 to 600 microns. The liner speeds of the two screens are pref different and independently variable. Sludge supplied to the first screen is pref. delivered directly from a sepg. decanter with provision for continuous introduction of a flocculating agent. Used for straining out the moisture from sludge, partic. sewage sludge. Highly efficient, compact installation because large perforations are used in a preliminary straining stage and then fine perforations for high pressure straining. Linear speed of advance through each stage is set to achieve optimum straining efficiency.
Patent FR-2330086-A1 (FR)
Title: Electronic scoring sytem for pin ball machine - uses entirely electronic multiplexing system to feed display counters
IPC: G07F17/38
Filed: 1975-10-27
Abstract: The pinball machine electronic scoring system has an electronic multiplesing circuit. This circuit divides the pulses, detected from the electromechanical table of the machine, and directs them to one of four or more counters. Each counter represents the points score of one of four players. The system has four five-figure digital display counters which are controlled by a memory. This memory is capable of adding or multiplying the pulses after channel ection. It can also inhibit or annul according to the programme set on the pin ball play table. A fifth display counter sums and displays the free plays after a predetermined points score of the play programme has been exceeded.
Patent FR-2328485-A1 (FR)
Title: Safety harness attaching system - with ends formed into loops with one set passing over other, and linked by tie cord to line
IPC: A62B35/00
Filed: 1975-10-24
Abstract: The safety harness is fitted around the wearer's body and comprises belts around trunk and thighs. Straps are used, coming together at the front for attachment to the safety line. Each end of the harness at the front is folded over and back to form a loop (a,b). Equally, metal rings can be fixed to the straps. These loops are fitted one over another, one set being trapped. A cord (c) is passed through the free loops, lining these together, If required, the cord can be knotted around each loop to fix the cord. This then forms the attachment to the line.
Patent FR-2332459-A1 (FR)
Title: Solid drum inertia clutch coupling - has pivoted weights swung out to engage drum returning to rest with drop of speed
Inventor: FEYTONS GILBERT
IPC: F16D43/24
Filed: 1975-11-21
Abstract: The inertia clutch coupling has a solid drum (6) fitted to the driven part. There is a solid core (1) of a clutch which can turn it and which is mounted inside the drum. The solid core has weights (3) which occupy a position of rest. The weights can swing on a pivot (4) on the core and parallel to its axis of rotation. The centre of gravity of the weights is near the line joining the core axis of rotation and that of the weight. The centre of gravity is moved in the direction of centrifugal force applied to it. The weight is self-returning to its position of rest, helped by a spring (5).
Patent FR-2308737-A1 (FR)
Title: Vibratory drill for earth sampling - h sample holder behind cutting tip, closed by swinging arm pulled by cable
Inventor: STOIANOVICI TEODOR
IPC: E21B7/24
Filed: 1975-11-26
Abstract: The vibratory earth drill is for taking samples down the drilled hole, and has a hollow casing (A) on which is fitted a sharp pointed tubular cutting tip (10). It has a slot down the side of the casing immediately behind the cutting tip, so that the blade portion (15) of a blocking member (14) can protrude through the wall, so that it can be swung about a pivot pin (15) by the pull of a cable (11) attached to the extremity (b) of the blade, which travels upwards alongside the casing, to be operated from above ground level. The underside of the blocking member is curved to fit against a curved seating of a tubular inset (17) inside the tip of the casing. Alternatively a ball shaped blocking member may be used, or one with a set of sloping baldes.
Patent FR-2332958-A1 (FR)
Title: Processing esp. microscreening, industrial effluents and sewage - with filter drum rotated only by the flowing water
Inventor: TALON GEORGES
IPC: B01D33/00
Filed: 1975-11-27
Abstract: Physical treatment of industrial effluents and raw sewage, in partic. a microstraining process and device, is intended to obtain, after treatment, an effluent in which the suspended matter, the C.O.
Patent FR-2296533-A1 (FR)
Title: Ribbon tensioner for use on typewriter - comprises friction pad with concave and taper portions acting against edge of ribbon
IPC: B41J35/08
Filed: 1975-12-19
Abstract: The ink ribbon is passed in front of a printing head on a carriage travelling along a roller and between two spools in a cartridge. Ribbon tension is maintained by a friction pad acting against one or both edges of it as it comes off one of the spools. The pad has a concave portion (41) coaxial to the spool, and a tapered portion (42), originating at the centre of the arc formed by the concave portion, and extending outwards to the periphery of the roll of ribbon on the spool. The pad can be of fibrous material, the concave portion extending through 360 deg. or less. Alternatively it can be of felt, or polyester foam.
Patent FR-2338237-A1 (FR)
Title: Substd. benzhydrol cpds. prepn. - by reacting substd. halobenzene cpd. with magnesium and condensing prod. with an alkyl formate
IPC: C07C27/00
Filed: 1976-01-14
Abstract: Prepn. of benzhydrol cpds. (I): (in which one or both rings are substd.; X1 and X2 are H, lower alkyl, lower alkoxy or lower alkylthio; A is F, lower alkyl, lower alkoxy, CF3 or OCF3 and n = 0-3), comprises (a) reacting a halobenzene cpd. (II) (in which Hal = Cl, Br or I), with magnesium to form (III): and (b) condensing (III) with a lower alkyl formate HCOOR, (in which R is opt. branched 1-6C alkyl). Process is relatively simple and gives high yields of (I), which are useful intermediates in the prepn. of diarylacetonitriles, diarylhalomethanes and diarylacetic acids.
Patent FR-2343481-A1 (FR)
Title: Preventing damage to and repairing biomembranes - by adding lipid mixtures contg. phosphatidyl-choline,-serine-and-ethanolamine, and unsaturated fatty acids
IPC: A61K33/06
Filed: 1976-03-11
Abstract: Damage to biological membranes is prevented or repaired by treating the membranes with small amounts of natural or artificial lipid mixtures contg. phosphatidylcholine, phosphatidylserine, phosphatidylethanolamine and unsaturated fatty acids. Protection of biological membranes of plants and animals against damage by chemical agents (e.g. water miscible alcohols, cardioactive steroids etc), surface active against, UV-irradiation, and disturbances of biological transport. The method is of particular significance for protecting the human skin against damage by detergents and UV-irradiation, and for repairing damage caused by these agents. Lipid mixtures can also be used to restore photosynthetic activity in aged plants.
Patent FR-2352189-A1 (FR)
Title: Variable vol. pneumatic time delay - has grooves in mating surfaces forming air passage in particular relative angular position
Inventor: PRADILLON MICHEL
IPC: H01H43/28
Filed: 1976-05-18
Abstract: The pneumatic time delay comprises a variable vol. chamber, held at max. vol. by a spring etc., and with a passage allowing air flow at a controlled rate between the inside and the outside. This passage is formed by a groove in a first surface and running for part of a circle, one end of the groove being closed and the other connected to a first port. A second complementary surface bears against the first one to form a seal between the, and has a second port leading to the air flow passage. The two surfaces are movable in relation to each other in the angular direction, one port being connected to the inside of the chamber and the other to the outside.