baber/WOPTO huggingface dataset:
Patent FR-2261926-A1 (FR)
Title: Marine gas jet propulsion unit - has jet injected at very high speed and non-convergent discharge
IPC: B63H11/12
Filed: 1974-02-27
Abstract: The water admitted is compressed and slowed down in a divergent inlet diffuser, after which the gas jet is injected before the discharge stage. The gas jet is injected at very high speed, and the discharge stage is non-convergent. Injection can be at a small angle, and the unit cross-section can be rectangular. The top wall can be constituted by a part of the hull supporting the sidewalls, while the lower wall consists of two shutters pivoting at the level of injection, so as to vary the inlet and outlet sections. The unit can be mounted beneath the vessel hull.
Patent FR-2264575-A1 (FR)
Title: Twelve-sided dice with lettered faces - is for the chance selection of sets of letters in playing word-games
IPC: A63F9/04
Filed: 1974-03-18
Abstract: The twelve lettered flat faces lie on a regular dodecahedron; the rounded corners lie on a concentric sphere. The dice are for use in sets of eleven, the whole 132 faces providing for a distribution of letters in reasonable accordance with frequency of use in a given language. Thus different sets are envisaged for French, English and other languages. Special provision is made for vowels and other frequently used letters by having one of each on each dice, and by having one face carrying a special symbol as a letter substituents.
Patent FR-2267086-A1 (FR)
Title: Antiperspirant aerosol - contg. aluminium salt, water and/or alcohol and neutral propellant soluble in medium
IPC: A61Q15/00
Filed: 1974-04-09
Abstract: Antiperspirant aerosol is prepd. by dissolving at least one soluble Al salt in H2O and/or alcoholic medium, and pressurising with a neutral gas soluble in the soln. Prod. does not irritate skin or stain clothes and using preferred propellants, soln. does not corrode valves of aerosol container. Pref. propellant is N2O, esp. in mixt. with N2, CO2 and chloro, fluoro propellants, compressed air.
Patent FR-2273532-A1 (FR)
Title: Alpha-aminoalkyl 2-thienylacetonitrile derivs - spasmolytics and vasodilators more active than papaverine
Inventor: TRON HENRI PIERRE VICTOR
IPC: C07D333/24
Filed: 1974-06-06
Abstract: Thiophene derivs. of formula (I) in racemic or optically active forms and their pharmaceutically acceptable acid addition salts are new: (R1= H or benzoyl opt. substd. by 1-3 halo esp. F; R2 = H or 1-6C alkyl, alkenyl or alkynyl, opt. substd. by halo, esp. Cl, COOH, alkoxycarbonyl (1-3C alkyl) or amino) the amino substits. being esp. N-bound 5-6 membered N-hetero-cycles, or R2 is benzyl or alpha-hydroxybenzyl; R3 and R4 are 1-6C alkyl, phenyl (1-3C) alkyl or NR3R4 is a 5-7 membered heterocycle opt. contg. further O, S or N atoms and 1-3 CH3 or C2H5 substits.; n = 2-3; cpds. where R1=H; R2 = sec. butyl; NR3R4 = pyrrolidino, piperidino or morpholino are excluded). They are prepd. eg. by reacting 2-thienylacetonitrile with XCnH2nNR3R4 (X = halo) then opt. replacement of R2 = H. (I) are useful in human and veterinary medicine as spasmolytics and vasolidators. The LD50 (mouse) is: p.o. 160-600 mg/kg; i.p. 75-300 mg/kg; i.v. 23-25 mg/kg; and in vitro spasmolytic activity (isolated guinea pig ileum) is 1.7-5 times that of papaverine hydrochloride. Usual oral dose is 10 mg-1 g/day.
Patent FR-2274875-A1 (FR)
Title: Railway tunnel ventilation system - has longitudinal air delivery and extract passages with combined silencing and regulation
IPC: G10K11/16
Filed: 1974-06-14
Abstract: The main tunnel has auxiliary passages at the side through which air is supplied and extracted. Each passage runs between side walls (2) and is split up by a series of baffles (1). The baffles are made of sound absorbent material such as mineral wool and are spaced apart at a distance approximately equal to their thickness. On the outlet side of each is a semi-circular steel vane (3) which is pivoted on a shaft (4) running the length of the passage and holding all the vanes. The vanes are moved together by another shaft linking them all which moves on rollers on the fixed shaft (4). When they are thus moved they pivot to obscure the openings between the silencing baffles.
Patent FR-2236333-A1 (FR)
Title: Circuit for controlling current rectifier - in electrically heated furnace, receives state signal from each thyristor in group reducing regulator current with fault
IPC: G05F1/44
Filed: 1974-07-03
Abstract: The circuit for the current rectifier of an electrically heated furnace has a current regulator preceding the control circuit. The control circuit receives a demand and an actual signal which are compared and the error used to adjust the load. In the event of one or more of the thyristors from a group dropping out of circuit, then a signal representing the operational conditions is derived and transmitted to the regulator. A fault would cause the current regulator preceding the control circuit to produce a reduction in the value of the desired current.
Patent FR-2281255-A1 (FR)
Title: Small electric shunting locomotive - with cardan shaft drive via bevel gear box to each axle gearbox
IPC: B61C9/38
Filed: 1974-08-06
Abstract: The electric locomotive has axles (251) (252) driven by bevel gear boxes (24) and cardan shaft drives (22) driven by one or more traction motors (3) via a change-speed type of gear box (7). This is controlled by a fork, with a neutral position. The output shaft (13) is joined by cardan shaft (22) to the bevel box (24) by means of the shafts (251) (252) with a sliding coupling device (18) (19) and is driven by an intermediate shaft (9) coupled by gear to the output shaft (2) of the traction motor. The locomotive is easily towed from one site to another, virtually as an ordinary wagon. In the neutral position of the fork, there is no fear of over-speeding the motor.
Patent FR-2288691-A1 (FR)
Title: Conveyor for moulds in vacuum casting process - with mould boxes held under partial vacuum during transportation (DK290376)
IPC: B22C9/03
Filed: 1974-08-12
Abstract: The mould boxes pass down the conveyor rollers in intermittent fashion, each stopping in front of a vacuum pumping station. At this point, a head advances each side of the box, together with a piston which engages a pin in a location in the box. A bracket carries a vacuum pulling connector each side of the pin, these being normally closed. As they contact other connectors on the box, valves open to pull the vacuum. Each piston retracts, closing the valves to retain the vacuum in the moulding box and each head withdraws. The cycle is repeated with each box.
Patent FR-2292671-A1 (FR)
Title: Continuous chemical sterilizing plant for flowing water - esp. swimming pools picks up sterilizing agent by ejector action of water
IPC: C02F1/68
Filed: 1974-11-28
Abstract: A sterilizing plant for water is claimed in which a chemical sterilizing agent is dosed into a water system in quantities regulated to suit requirements; the agent is introduced by ejector action of the water flowing in the system to be treated. Ejector suction is pref. obtd. in a by-pass line connecting two points at different pressures in the water sytem being treated. Pref., agent is supplied to the ejector inlet in a flow of mains water passed through an agent reservoir each time a solenoid valve is opened in response to a signal from an indicating galvanometer actuated by a measuring cell continually sampling water from the system to be treated. Use continuously sterilizing water in circulating systems, partic. for swimming pools. No electronics in instrument system and no pump to inject sterilizing agent - hence, reduced maintenance requirements, increased reliability and lower costs.
Patent FR-2296397-A1 (FR)
Title: Machine for testing hearing level - has vocal and tonal circuits attenuating and filtering single frequency
IPC: A61B5/12
Filed: 1974-12-31
Abstract: The tonal circuit comprises pulses at stabilised frequency passing through a scaling-down circuit operating in cascade. Low pass filters are used, together with potentiometers, as a means of selecting the tones which are derived from the single input frequency of 48 kHz. The vocal circuit comprises a tape recorder (20), its output fed into a bank of six pass band filters (701 to 706) having a band width of one octave and scaled from 0.125 to 8 kHz. The filters are connected to logarithmic potentiometers (711 to 716) having linear displacement cursors. Their output through resistances (721 to 726) through a mixer amplifier (30) and an aperiodic attenuator (40) feeding a loudspeaker (50).
Patent FR-2297113-A1 (FR)
Title: Aligning butt joints between large cylinders - for spot welding prior to the actual welding process
IPC: B23K37/053
Filed: 1975-01-08
Abstract: Aligning fixture for the pre-welding, i.e. spot or tack welding, of cylindrical workpieces prior to the actual welding process, comprises a base-plate fitted with two supports, each support carrying a lever on a pivot and the two levers swivel in the same plane. The bottom ends of the two levers are attached to two piston rods, one piston rod being mounted in each end of a hydraulic cylinder used to actuate both levers; and the upper ends of both levers are fitted with a pair of rollers employed to align the workpieces.
Patent FR-2301685-A1 (FR)
Title: Mine gallery lock with inflatable ring - uses partitions matching contour of gallery, each having peripheral channel for ring
IPC: E21F17/12
Filed: 1975-02-20
Abstract: A method of blocking off a mine gallery, especially where there is water seeping through, uses a portion (31) which is the same shape as the contour of the gallery but smaller. The partition is anchored to the face (30) by a set of securing straps (33) around its periphery of the front and rear. The periphery may have a channel (38) around it, with the open side towards the face. Into this channel is inserted a hollow rubber ring (39) which is then inflated to form a tight seal all round. The face does not required treatment or cladding. Two closures of this type may be spaced apart to form a lock between them, each incorporating access doors. Each door has a wicket gate which can be opened so as to equalise the pressure on opposite sides of the lock.
Patent FR-2301950-A1 (FR)
Title: Radio controlled household electrical supply system - provides individual control and protection of lighting and power circuits and may include smoke or heat sensors
IPC: H02J13/00
Filed: 1975-02-24
Abstract: The electrical supply system is for households, providing lighting, heating and power points. Switching 'on' or 'off' of individual appliances is effected by a transmitter and receiver in the power lines. The transmitter and hence control of appliances may be manually operated or controlled from a timer or sensor, e.g. smoke or temperature sensors. The operating frequency may be varied and the safety of the overall and individual circuits is maintained by current level detectors which may isolate the wiring from common switch. It is intended that the wiring may be installed without the receiver and control unit, provision is made for its installation as required.
Patent FR-2264308-A1 (FR)
Title: Photographic inverse colour process - with separate foggant treatment
IPC: G03C7/305
Filed: 1975-03-12
Abstract: Coloured photographic images are obtd. by exposing a photographic colour matl. by inversion, then black and white developing, then treating the matl. in an aq. alkaline soln. contg. a fogging agent, then colour developing; the photographic matl. comprising a support coated with >=2 silver halide emulsion layers, the upper layer contg. a ketomethylene type non-diffusible yellow coupler having a gp. which separates on coupling, with the amt. of Ag in the silver halide is not >2 gm./m2. The fogging agent is more effective cf. conventional processes in which the fogging agent is added to the colour developer, and also when the fogging agent is in the developer the developer soln. deteriorates rapidly.
Patent FR-2310668-A1 (FR)
Title: Teleprinter translator with relay circuit - uuses relay circuit to allow use of remote terminal without earth point and has connections to mid point of batteries
IPC: H04L12/02
Filed: 1975-05-06
Abstract: A translator is used with teleprinters. It can be used with teleprinter remote terminals which do not have an earth connection. The translator has relays connected to the automatic switch of the equipment. The connection takes place via two connectors (1,2) and two interconnecting wires only. The remote terminal and the automatic switch have batteries (B1,B2) with a middle point. The middle point of the automatic switch battery(B1) is connected to earth. The middle point of the remote terminal battery (B2) is connected to one (12) of the connectors of the remote terminal. A circuit made-up of relays (9,16,15) changes the polarity of the lines (7,8) according to the polarity of the signal at the two input connectors (1,2). The relays (9,16,15) may either be electromechanical or semi-conductors.
Patent FR-2278798-A1 (FR)
Title: Electrolytic cell cathode - produced by coating core with non-noble metal alloy, and removing one alloy component
IPC: C25B11/04
Filed: 1975-07-15
Abstract: The cathode, used e.g. in the prodn. of Cl2 and H2 by electrolysis of brine, has a microporous surface that is produced by (a) coating a cathode core (I) with a metal (II) selected from Ni, Co, Cr, Mn and Fe, alloyed with a secondary, less noble, removable metal (III), and (b) removing at least a part of (III). The cathode has a food resistance to corrosion and a low hydrogen overvoltage.
Patent FR-2318934-A1 (FR)
Title: Hood for steel making converters - fitted with skirt for gas collection even when converter is tilted
Inventor: FORESTIER GUY
IPC: C21C5/40
Filed: 1975-07-24
Abstract: Plant for the collection, without combustion, of the exhaust gases leaving the top of a converter, using an extn. hood fitted with a skirt, a suction fan, and a valve for controlling the gas flow. The skirt surrounds the upper part of the converter when the latter is in a vertical position and also when the converter is tilted. Part of the skirt can be retracted when the converter is charged. The retractable part of the skirt is pref. mounted on a trolley which travels along a horizontal track. A seal is used between the moving and fixed parts of the skirt. Used in the refining of steel, where the skirt and hood collect the gases irrespective of the position of the converter. The thermal capacity in the exhaust gas can be exploited, and noxious gases do not contaminate the atmos.
Patent FR-2281151-A1 (FR)
Title: Belt filter with cloth overlay - having continuous belt around rollers fed from roll of overlay
Inventor: DORGATHEN FRIEDRICH
IPC: B01D25/127
Filed: 1975-08-06
Abstract: Belt filter plant for liquids consists of an endless, permeable conveyor belt which is driven round two drive rollers and onto which a band of filter material is fed continuously from a feed roll. This rests on one of the drive rolls and is rotated by the friction caused by its own weight, the belt picking up the filter material. The roll is supported without bearings in guides which run radially from the axis of the drive rolls. Used for filtering solids from liquids. By rolling on the belt, there is not problem of the tensile strength of the material and the likelihood of tearing as with systems where the material is pulled from a roll mounted in bearings.
Patent FR-2328088-A1 (FR)
Title: Multipurpose square section tunnel shuttering - has flexible top surface drawn tight by hinged mechanism and diagonal struts
IPC: E04G11/02
Filed: 1975-10-13
Abstract: The tunnel shuttering consists of two lateral wheel-mounted pivoting panels (1) joined at their upper edges by a flexible panel (2). The shuttering has an internal framework and at least two pairs of uprights (5) the ends of which are fastened to one end of two pairs of arms (7), their other ends being hinged together. Each arm is hinged at the lower end to a sloping strut (9). The other ends slide in a runner attached to the frame. The shuttering also has four retractable feet and a mechanism which activates the struts in such a way that the arms to which they are hinged draw the flexible top panel (2) into a horizontal position, at the same time operating the retractable feet and the lateral panels.
Patent FR-2298023-A1 (FR)
Title: Locking arrangement for column and platforms - has locking jaws fitted inside hollow columns provided with locking rods
IPC: B62D33/02
Filed: 1976-01-19
Abstract: The locking arrangement for columns which support platforms has clamping jaws which are inserted into the columns. Longitudinally sliding locking pins are provided which are inserted into clamping jaws. This locking arrangement is readily released and relocked even after heavy loading and the locking pins (8) are connected to an actuating mechanism (6) which runs parallel to the locking pin. The actuating mechanism is held in a guide of the column so that the actuating mechanism is able to slide. The free end of the actuating mechanism is accessible through an opening (10) in the lower region of the column and the actuator has on its lower end a connecting transverse member and it engages with the guide profile by means of a bent component.
Patent FR-2345112-A1 (FR)
Title: Rotating display stand for advertisement - has horizontal platforms slowly rotating independently about common rigid vertical axle
IPC: A47F3/10
Filed: 1976-01-20
Abstract: The rotating display stand may be used for vending purposes inc. several horizontal platforms (1) rotating slowly about a common vertical axis (5) and provides for the protection of the displayed articles. The platforms (1) can rotate independently of one another and are mounted on a rigid vertical axle (5) which is fixed (6) to static horizontal panels (7) at the head and foot. Each platform (1) may be mounted on a double roller bearing (4) hub (3) which is in turn mounted on the axle (5) and supported by a diametric screw-locked rebated collar. The protective screen may have a vertical cylindrical form and the unit may be deployed as a liquid refreshment bar.
Patent FR-2299414-A1 (FR)
Title: Double coating for stainless steel or nickel alloys - using chromium carbides and suitable for use in nuclear reactors
IPC: C23C4/06
Filed: 1976-01-30
Abstract: Coated assembly consisting of a metal substrate based on nickel- or iron-alloys, the novelty being the use of a first layer (1), 25-380 um thick, of chromium carbides with a binder of Ni-Cr, Co-Cr, Fe-Cr or superalloys, covered by a layer (2) 12-130 um thick, of pure chromium carbides. The substrate is pref. stainless steel specification 316, layer (1) being made of powder contng. by wt. 70-90% Cr3C2 and 10-30% Ni-Cr and layer (2) pure Cr3C2; Alternatively, layer (1) is 70-95% Cr23C6, remainder Ni-Cr, and layer (2) is made from pure Cr23C6 powder. Another alternative uses a 316 substrate with layer (1) of 87% Cr3C2 and 11% Ni-Cr, 76-102 um thick, and a surface layer (2) of CR3C2, 12-38 um thick. The powder coatings are pref. applied using plasma or detonation coating. The coating of metal parts used in nuclear reactors cooled by liq. sodium or helium.
Patent FR-2301672-A1 (FR)
Title: Roof joining angle piece - has third leg covering join between components on inner side
IPC: E06B3/96
Filed: 1976-02-17
Abstract: The angle piece is for joining roofing components with mating profiled sections fitted over their ends and of plastic or metal, the faces of these sections being bevelled. It is inserted in these sections by means of two legs running parallel to them. The legs (38, 39) are narrower than the width of the sections, and the angle-piece (37) has a third leg (43) giving it an overall star shape. The third leg covers the join between the metal or plastic sections from the inside for at least part of its length. The first two legs can be roof-shaped when seen in sectional view.
Patent FR-2313802-A1 (FR)
Title: Inverter thyristors control unit - is connected to three-phase mains for supply of a current to DC motors and uses saw-tooth voltage
IPC: H02M1/08
Filed: 1976-05-18
Abstract: When a control voltage coincides with a saw-tooth voltage, an ignition command is delivered to the corresponding thyristors. The starting point of the saw- tooth voltage depends on a smoothed test voltage which is derived in a series of integrators from zero crossings of a phase voltage. The zero crossing of a test voltage is derived from a phase voltage and this zero crossing is shifted by a phase shifter and a smoothing circuit into the area of another zero crossing of a phase voltage; it serves as a reference point for the beginning of the saw- tooth voltage integration for a next half-wave.
Patent FR-2324923-A1 (FR)
Title: Twin component corner connector system - has double armed insert to fit into hollow arms of components with locating and fixing screws
Inventor: HAMBLIN RICHARD DAVID
IPC: A47G1/10
Filed: 1976-05-26
Abstract: The corner connector system having two component sections has the first and second components constructed with hollow end pieces. One wall (14) of each hollow end piece has a hole (25) at some distance from the end of the component. An insert (27) with two arms is accommodated in the hollow end pieces of the first and second components (10, 11). The arms of the insert (27) have slits (28, 29) and attachment elements (30, 31) which are inserted into the holes (25, 26) and screwed down into the arms of the insert (27) and thus matched up with the slits (28, 29) in the arms of the insert (27).
Patent FR-2356265-A1 (FR)
Title: High power electron tube - has discontinuous cathodic emitter, with anode and two control electrodes
IPC: H01J21/10
Filed: 1976-06-25
Abstract: An electron tube of high power in vacuum has a cathodic emitter with a discontinuous surface, one anode and an electrode. The cathode is located between the anode and the electrode which enables the tube to be controlled. An appropriately designed auxiliary electrode is located between the anode and the cathode. The anode and/or the electrode set on the other side of the cathode can be constituted by the walls of the vacuum envelope.
Patent FR-2357202-A1 (FR)
Title: Rotatable mounting for wrist-watch with reverse side logo - has watch mounted on ring, raised from wrist, by two bearings allowing watch to rotate
IPC: A44C5/14
Filed: 1976-07-09
Abstract: The bracelet (1, 2) has a ring (3) which holds a rotating block (16) with a watch on one face. The other face, or base of the watch, can hold a photograph, souvenir, compass or any other instrument. The block pivots on two hinges and can be held in one position. The hinge consists of two rings (17, 18) fixed on the setting ring and two pivots fixed on the block. The block is held in either position by two spurs fixed to the interior of the setting ring and level with the hinges. The spurs allow the block to rotate but prevent any longitudinal movement.
Patent FR-2320752-A1 (FR)
Title: (4)-Hydroxy-(3)-nitro-pyrido(2,3b)-pyridinones - antiallergics, antihistamines used for asthma prepd. from nitroacetate, base and a pyrido(2,3d)oxazinedione
Inventor: HARDTMANN GOETZ EDUARD
IPC: C07D471/04
Filed: 1976-08-12
Abstract: Pyrido (2,3-b) pyridines of formula (I) and their salts are novel. In (I) R is H, 1-6C alkyl, 3-6C alkenyl or alkynyl in which the multiple bond is not in the alpha position with respect to the N atom, 3-6C cycloalkyl, 3-6C cycloalkyl-1-2C alkyl or Y, Y1 are each H, F, Cl, Br, 1-3C alkyl, 1-3C alkoxy or CF3; n = 0 or 1; R1, R2 are each H or 1-4C alkyl. With the condition that at least one of R, R1, R2 is not H). (I) have activity similar to that of disodium chromoglycate in particular inhibiting the liberation of histamine. They are used to treat allergic states e.g. allergic asthma by administration in daily doses of 20-200 mg by oral, parenteral or rectal routes. (I) are prepd. by reacting nitroacetate with strong base and pyrido (2,3-d) oxazine-2,4-dione. Pref. cpds. are R1=7-methyl, R2=H and R=methyl or allyl.