baber/WOPTO huggingface dataset:
Patent FR-2226199-A1 (FR)
Title: Disposable oil filter cartridge of unwelded construction - is mechanically clamped together by seaming on end cover
IPC: B01D27/08
Filed: 1973-04-19
Abstract: Disposable filter cartridge of the type in which the annular filter element fits inside a thin, sheet metal cup of which the open end is fitted with a thin, sheetl metal cover backed internally by a thick disc providing an axial bore internally threaded to serve as an outlet connection. The disc has pressed-up, radial ribs and the peripheral end of each rib presents, in plan, a concave cutout into the disc's circumference, resulting from retraction during the rib-pressing operation, the circumferential arcs of the disc between its ribs are clamped between an internal shoulder inside the cup and the metal end cover when it is secured to the cup, pref. by a rolled end-seam. The cartridge is spec. a disposable oil-filter cartridge. Partic for internal combustion engines, compressors, vacuum pumps and oil-hydraulic systems.
Patent FR-2237076-A1 (FR)
Title: Hydraulic distributor valve for remote control - selects required outlet and controls delivery press. in outlet pipe
IPC: F15B13/042
Filed: 1973-05-02
Abstract: The valve body (3) carries a socket (6) for the ball (5) of the control lever which is fitted with a cam (10). Hydraulic fluid enters the valve through the port (30) and flows into the space (27) from which the outlet can be sealed by the plungers (11a) or (11b). In the position shown the cam (10) depresses the upper plunger (17b) and the inner spring (13b) which is calibrated to suit the required pressure reductions, pushes the lower plunger (11b) downward so that the transverse holes (25b) allow fluid to flow from the space (27) to the outlet (23b). The pressure at the outlet is that necessary to balance the downward force of the spring (13b).
Patent FR-2229096-A1 (FR)
Title: Aerial navigation calculator - giues direct solution of speeds and courses
IPC: G06G1/00
Filed: 1973-05-09
Abstract: A plastic calculator is for determining true course, drift, compass heading and ground speed, and for providing calibration of distance by direct reading involving no calculations. Equally suitable for pre-flight or in-flight use it is particularly valuable for trainee pilots as it clearly depicts the vector triangles. A graduated base with two movable sealed pointers and an elastic graduated rule provides for scaling of distance.
Patent FR-2233601-A1 (FR)
Title: Memorising gyroscope heading for reference of restarting - is effected by caging receiver and feeding back position signal
IPC: G01C25/00
Filed: 1973-06-18
Abstract: Vehicles which carry gyro compasses or directional gyroscopes are often brought to rest and the gyroscopic instruments are thereby stopped, with consequent loss of information. This is overcome by memorising the information and restarting the gyroscope with this information. The instrument comprises a spinning wheel (2) mounted in gimbal bearings. The frame (8) is attached to a dial (11) with index (12). The frame is coupled to a three phase synchro-transmitter (13) which is connected to a receiver (14) and servo motor (14). A disc (28) attached to the motor (16) is immobilised by a caging mechanism (29) closed by a spring (30) but maintained open by an electromagnet (31). A dial (23) and index (24) on the receiver repeat the gyroscope heading which is returned to it via the inverter switch (25) when the instrument is restarted.
Patent FR-2246128-A1 (FR)
Title: Satellite radio network system - uses several ground transmitters on same frequency each with characteristic intermittent transmission
IPC: H04J3/10
Filed: 1973-07-25
Abstract: Each of a number of separate intermittent radio transmissions on the same frequency have time intervals between successive transmissions which are irregular and uncorrelated, thus reducing time-coincidence and consequent mutual interference especially when received on the same receiver which may be installed in a satellite. The time intervals are controlled by multivibrators having time constants adjustable e.g. by having a number n of resistors in a circuit arranged to provide any one of n! time intervals. The apparatus may use flip-flops to control the switching of the resistors R1, R2...... Each transmitter on the given wavelength has its own characteristic 'signature' of intervals between bursts of transmissions, so that when two transmitters are working at once, coincidence between the two cannot occur for long periods.
Patent FR-2253500-A1 (FR)
Title: Di-para chloro phenoxy acetates and acetamides - are hypocholesterolaemics obtd. from the acetyl chloride and an amine or alcohol
IPC: C07D295/185
Filed: 1973-12-05
Abstract: acetates and acetamides of formula (I): where R=-HN-C(CH2OH)3, -OCH2CH2OH, -HNC2H4OCOCH3, or -O-CH2CHIHCH2OH are prepd. by reaction of a 2,2-di-p-chlorophenoxy acetyl halide, esp. chloride, with the appropriate alcohol or amine, pref. in the presence of a tertiary base such as pyridine and optionally in a solvent such as benzene or ether. The cpds. are hypocholesterolaemics and are more active than 'Clofibrate'.
Patent FR-2253661-A1 (FR)
Title: Light ground effect craft - has aircraft engine in trough shape housing producing a venturi effect
IPC: B63B1/20
Filed: 1973-12-10
Abstract: A ground effect craft by an aircraft type propeller at the rear, has a hull consisting of a two parallel floats with the space between them filled by a sheet. The propeller drive unit mounted at a low level between the floats is supported by a frame and located inside a semicircular housing giving the propulsive force. Mounted at a high level at the forward part of the hull is a wing shaped lift blade at right angles to the central axis of the craft, and at the rear is attached a rudder. In an alternative design, two propulsion units are mounted forwardly and side by side, and instead of the front wing, the craft has a tail shaped like a conventional aircraft tail.
Patent FR-2268555-A1 (FR)
Title: Regeneration of ion exchange resins - used for demineralization esp. desalinization of brackish water or effluent
IPC: B01J49/00
Filed: 1974-04-23
Abstract: In a de-ionizing appts., contg. >=2 exchangers including anionic and cationic resin units in series; the flow during regeneration is reversed, so that e.g. the output from the anionic exchanger is used in regeneration of the cationic exchanger. Thus, in purification of brackish water, e.g. 4N NH4OH is used to regenerate anion exchanger, and the output NH4Cl soln. is passed through cation exchanger, to displace Na yielding final brine effluent; NH4 being displaced from cation exchanger by 4.4N H2SO4. This second output may be pptd. with quicklime, producing gypsum as useful by-prod., and NH4OH which may be recycled as regenerating input to anionic exchanger. The appts. may be used in multiple bed units.
Patent FR-2269508-A1 (FR)
Title: Alpha-haloalkyl carboxylates prepn. - by reaction of an acid, an aldehyde and a group II B metal halide catalyst, in presence of a thionyl halide
IPC: C07C69/62
Filed: 1974-04-30
Abstract: Haloalkyl carboxylic esters of formula (I) (where X is halogen; R and R1 are H alkyl alkenyl, alkynyl, aryl, cycloalkyl, aralkyl or heterocyclic gp. opt. substd. by gps. such as halo, alkoxycarbonyl, ketone, t-amid, aldehyde, nitrile, -NO, -NO2, sulphone thio-ether or CF3) are prepd. by reaction of an aldehyde R1.CHO in presence of a metallic halide of gp.IIB as catalyst, in which the reaction of the aldehyde is reacted with the acid R.CO2H in presence of an excess of thionyl halide. Carboxylic acids may be used as starting matl. instead of acid chlorides as in known processes. The prods. are intermediates in the synthesis of drugs.
Patent FR-2278944-A1 (FR)
Title: Electricity generation from wind power - using air funnelled into duct-mounted generators
IPC: F03D1/04
Filed: 1974-05-02
Abstract: Power is generated from wind in a fixed installation in which air is ducted to fixed generators. Wind-operated valves enable selection of the wind from one of two directions; the device is particularly suitable for coastal locations. The generators are protected from excessive velocity by relief valves which pass air to standby generators; further excess air is relieved to atmosphere. Used for the generation of electricity for the production of hydrogen.
Patent FR-2236610-A1 (FR)
Title: Filler rod feed device for arc and electron beam welding - transports rod non-uniformly thus saving material, heat and improving seam quality
IPC: B23K9/12
Filed: 1974-05-24
Abstract: Filler rod feed device, esp. for inert gas welding with non-consumable electrode and electron beam welding, transports rod to weld at non-uniform rate pref. in discontinuous movements and consists of feed rollers driven by shaft which can be coupled in or out by electrical impulses from sender or by variable speed motor operating under fluctuating voltage. Technique produces smaller, less porous seam more rapidly and using less filler and less heat than conventional methods.
Patent FR-2348386-A1 (FR)
Title: Rotating surface past which fluid flows without turbulence - covered with randomly open-celled material and used for liq. or gas sepn.
IPC: F15D1/12
Filed: 1974-06-25
Abstract: A rotating three-dimensional surface, to which the boundary layer of a moving fluid can adhere is composed of a randomly open-celled material as (pref. thin) covering for an impermeable support; the dia. increases in the downstream direction, at least for part of the length. The cellular covering may be plastic, ceramic or metal, and may line the support on the convex or concave side. The rotating covered surface may be used to make, e.g. a noise-free ventilator opening, or a turbulence-free flow accelerator, and is esp. useful for liq. or gas sepn. processes.
Patent FR-2249504-A1 (FR)
Title: Community antenna system - supplies a large number of receivers with broadcast and TV programs
IPC: H03D7/18
Filed: 1974-10-24
Abstract: Signals of VHF programs are in the VHF distribution network within the system converted into VHF special channels which are in the receiver reconverted into UHF range. The additional programs are in the VHF distribution network preferentially transmitted in the upper VHF special range. At suitable points of the above network, signals in the whole VHF special range are reconverted into UHF signals by modulation on an oscillator frequency, so that the upper sideband, result of this mixing, falls directly into the required UHF range. The device for the reconversion has filters separating the upper VHF special range from other VHF frequencies.
Patent FR-2249401-A1 (FR)
Title: Disc recording of electro-magnetic signals - disc shaped increased as diameter reduced during recording and reproduction
IPC: H04N5/781
Filed: 1974-10-24
Abstract: One zone of disc carries signals used for obtaining constant speed of recording/reproducing. For this signal a spiral ridge is made during manufacture with a frequency of the signal to correspond to the reproducing frequency (i.e. in television). The other, the magnetic zone has its distance from the ridge predetermined during manufacture of the disc. For production of the matrix for ridge cutting the turning speed of the tool is variable so as to give constant cutting speed, the impulses and frequency being constant over the complete cutting range. Control circuit comprises discriminators and comparators of volts, frequency and phase. Also convertors are provided which, after picking up the signal and comparing it with the reference, adjust the driving motor to give constant pick-up speed. P.V.C. can be used for the "ridge zone" and polyester for the magnetic zone.
Patent FR-2297323-A1 (FR)
Title: Two stroke rotary piston IC engine - has oscillating rotor blades cooperating with radial blades in housing
IPC: F02B75/02
Filed: 1975-01-08
Abstract: In its two-stroke form, the engine consists of a stationary cylindrical housing (1) with four radial blades (2-5), four inlet ports (6-9) and four exhaust ports (10-13). The rotor (18) has four blades (19-22) and is mounted on a shaft (23) running in bearings (26, 27) in the end covers (24, 25). The end of the rotor shaft (23a) is attached to a crank (28) which drives the output shaft (33) through the connecting rod (30) and crankpin (32). As the rotor oscillates, air is drawn in through the inlet ports and then driven through the transfer channels (14-17) to the other side of the blades, where it is, in turn, compressed, ignited, expanded and then expelled through the exhaust ports.
Patent FR-2303322-A1 (FR)
Title: Digital time display for wrist watch - uses matrix of opto-electrical elements energised via manual push-button
IPC: G04C3/00
Filed: 1975-03-06
Abstract: The digital time display for a wrist watch, e.g. employing a quartz oscillator, uses a matrix of opto-electrical elements. The display is energised by manual operation of a push-button (4) positioned at the side of the watch case (3) facing the wearer's hand 10). The push-button (4) is positioned so as to allow it to be operated by the wearer bending his hand (10) back, e.g. adjacent the 3 hour dial marking. The time for which the push-button (4) is depressed may be used to select the required time function displayed by the time display.
Patent FR-2264579-A1 (FR)
Title: Gas filter with audible alarm - caused by gas flow in the inlet and activated by excessive pressure drop
IPC: B01D46/42
Filed: 1975-03-18
Abstract: Gas filter has element through which gas passes. When the element becomes fouled the pressure drop across the filter increases and the gas flow will begin to fall. A device is located in the inlet stream which is coupled to a diaphragm valve and by this to the outlet line. This emits an audible signal when the pressure drop across the filter rises above a certain level. The audible signal is formed by a vibrating tongue in the inlet device whose movement is hindered by the diaphragm valve until the pressure difference is such that this moves and allows the tongue to vibrate.
Patent FR-2307637-A1 (FR)
Title: Plastic sanitary installations with insulating foam filling - with shiny durable outer surfaces and high mechanical strength
IPC: B29C65/00
Filed: 1975-04-17
Abstract: A sanitary installation e.g. bath tub, sink or bidet is mfrd by forming a first layer for the inner surface of the installation by heat-forming a plastic material e.g. polymethyl methacrylate, and separately forming the outer layer from e.g. ABS which includes inserts, plugs, attachments, etc. for fixing the installation. The surfaces to be joined together are treated with adhesive materials, e.g. styrene for the ABS and methylene chloride for the polymethyl methacrylate, and the edges are joined together. The two layers are placed in a shaping device, and the space between them is filled by injection of an insulating plastic foam e.g. polyurethane foam. Pref. at the level of the edges the layers are shaped to form a support and joined together by adhesion with good sealing properties.
Patent FR-2311017-A1 (FR)
Title: (Hexahydro)rifamycin (3)-hydrazones - antibiotics having improved solubility in the digestive tract
IPC: C07D498/08
Filed: 1975-05-16
Abstract: Rifamycin 3-hydrazones of formula (I) are new: (where R is H or 1-3 of halogens, 1-5C alkyl, methoxy, ethoxy, NO2, OH, CN or C6H5; R1 is rifamycin SV or its 16,17,18,19,28,29-hexahydro deriv., attached by the 3-C atom). (I) are antibiotics, esp. useful against Gram positive bacteria, and also active against viral tumours. Good absorption by the digestive tract is possible. (I) is prepd. by reaction of 3-formyl (hexahydro)rifamycin on the appropriate pyridyl hydrazide. In an example, 7.26 g. 3-formyl rifamycin SV in 200 ml. methanol was treated with 1.37 g. isoniazide. The mixt. was stirred for 2 hrs., gradually heating to 50 degrees C, and the solvent evaporated to give (I) is isonicotinoyl; R1 is rifamycin).
Patent FR-2322518-A1 (FR)
Title: Reversible multiple share plough - has hydraulic cylinder to adjust inclination of share beam for turning over plough
IPC: A01B15/14
Filed: 1975-09-03
Abstract: The tractor is coupled to one side of centre, and always runs wholly on still-unploughed land. The tractor coupling canbe turned over on itself (7a) to accommodate the turning of the beam. The coupling strut (7) is joined to the beam directly (8) and by a side strut (10, 11). The angle between the beam and the tractor coupling canbe altered by moving the side strut, using a hydraulic cylinder (14). To turn the beam over, the plough blades are lifted clear of the ground and the beam is drawn in until it lies against the tractor coupling (7). The outer sections of the beam are parallel with the central axis while the middle section is inclined.
Patent FR-2323915-A1 (FR)
Title: Universal joint steering column coupling with offset axes - has twin shaft end rings set in grooves in plastics core
IPC: F16D3/46
Filed: 1975-09-12
Abstract: The universal joint for drive shaft couplings has offset axes and will accept large annular deviations. The joint may be used in automobile steering columns, and includes a plastics spherical core (5) with two annular grooves (12). The grooves are of varying depth, are in perpendicular planes, and house the twin ring shaped terminations (1, 2) of the shafts. The grooves (12, 13) also have axes of symmetry (14, 15) perpendicular to their respective planes. The axes of symmetry do not intersect and are offset relative to one another by a distance (d) equal to the thickness of the annular heads (1, 2). The geometry of the annular grooves ensures that when the terminal shaft rings are in place, they do not contact one another. The core may have finger and notch formations which enhance elasticity and ring retention, and may be of thermo-plastics material.
Patent FR-2328636-A1 (FR)
Title: Pneumatic handling system for granular material - with air supplied to concentric conical baffles to create vacuum
IPC: B65G53/58
Filed: 1975-10-22
Abstract: Pressurised air is supplied to the system through the inlet pipe (26) which feeds into the chamber (27) and pressurises it. The air escapes to the space (28) and passes between the two conical surfaces (22,24) and is directed towards the orifice connected to the outlet piping. The air flow causes a vacuum in the cylindrical space (15) and in the space (29) between the two conical surfaces (14,24). Non return valves (31) open an overpressure in the space (29). The increased pressure differential ensures the steady flow of the material along the pipe.
Patent FR-2329358-A1 (FR)
Title: Dry aerosol spray equipment - has compressor controlled by timer delivering to Coanda jet in vapriser bowl
IPC: B05B7/24
Filed: 1975-10-31
Abstract: The spray equipment is particularly for dry aerosols, and has a compressor whose output is connected to a solenoid valve controlled by a timer. The compressor is supplied with current via terminals at the timer output. The commodity to be sprayed is supplied from a constant-level vessel (5) connected to a reservoir (2). The aerosol is generated by a vapouriser bowl (6) connected to the vessel and closed at the top by a cone (7) ending in a discharge flue (8). The bottom (6a) of the bowl has a base (9) immersed in the commodity at constant level, and into the centre of this is screwed a casing (10), whose upper part (10c) widens above the base, so as to form a fixed-height Coanda jet. The incoming air passes vertically upwards through the lower end (10a) of the casing, and is blown tangentially to the widened part by the jet.
Patent FR-2291834-A1 (FR)
Title: Wood plane with sprung blade - has adjustable shoe bearing against workpiece surface
IPC: B27C1/00
Filed: 1975-11-19
Abstract: One or more fixed blades are mounted in a plate, opposite which is a feed device pressing the work against it and driving it in the lengthwise direction. Near the feed device (4) a support (9) is provided, bearing against the top face of the work (W), which is away from the plate (1). The support is movable in a direction at right angles to the plate, towards which it is spring-loaded (10). Behind or before the upper finishing blade (12) in the support a shoe (13, 13a) is mounted, the shoe being adjustable in relation to the blade and bearing against the top face of the work.
Patent FR-2337682-A1 (FR)
Title: Mooring chain haulage and holding machine - has frame and ram with pivoting retracting jaws engaging chain
Inventor: LEGOUT SERGE
IPC: B66F19/00
Filed: 1976-01-12
Abstract: The chain haulage and holding machine is particularly for a mooring chain. It comprises a frame permanently mounted on the mooring point, and equipped with a retracting member (23) holding the chain (4) in position, and a ram hauling on the chain. At the end of the moving part of the ram is a second retracting member (33), which can be engaged with the chain. The first member can be a jaw pivoting in the frame on an axis at right angles to the direction of chain movement, and the second one can be similar. Each jaw can be retracted by controlled lifting devices. The moving part of the ram can work in guides in the frame.
Patent FR-2298112-A1 (FR)
Title: Doppler sonar equipment - has a digital frequency monitoring circuit for continuous measurement of the doppler frequency
IPC: G01S13/58
Filed: 1976-01-13
Abstract: The frequency monitoring circuit consists of an n-bit shift register, a logic network and a voltage controlled oscillator. A correction pulse for the VCO setting to a first output is generated through an OR gate connected to the shift register bits (n-m) to (n-1), during coincidence with the O-th bit. This correction pulse is suppressed at coincidence of the n-th bit with the O-th bit. A correction pulse appears at this second output when there is coincidence neither with an (n-m)-th to (n-1)-th bit, nor with the n-th bit.
Patent FR-2356030-A1 (FR)
Title: Electrical connector with fixing screw - has cables received between brackets and held in place by screw with contact point
IPC: H05K9/00
Filed: 1976-01-14
Abstract: The connector has a woodscrew (32) held in a base (20). A screw head supports a bracket (26) with a central tapped hole (30) which receives the end (34) of the woodscrew. The bracket has two perpendicular grooves (36) to take a cable (16). Corner supports hold a second bracket (22). A central screw (24) wedges the top bracket (22) onto the supports and also holds the cable (16). A second cable (14) perpendicular to the first is pressed into contact with the first. The extension of the top screw is an earthing or connecting point.
Patent FR-2340503-A1 (FR)
Title: Portable signalling device for cyclist - comprises flashing lamp in housing attached to part of body
IPC: F21V21/084
Filed: 1976-02-09
Abstract: The portable signalling device is for use by cyclists and motorcyclists, enabling them to indicate to other road users their intention to change direction. It comprises a flashing lamp (c) with an electric power supply, accommodated in a housing (a) with straps for attachment to a part of the body, typically the arm. A switch for the lamp supply circuit is positioned so that it can be actuated without using the hands. The lamp comprises a bulb accommodated inside a translucent hemispherical housing (b) which forms the outer face of the main housing (a). There may be two clip blades fitting round the user's arm, the switch being of the pushbutton type, mounted on one of them.
Patent FR-2290374-A1 (FR)
Title: Softened glass transporter - with glass supported on rolls with spaced, fibrous strips or ropes
IPC: B65G39/02
Filed: 1976-03-04
Abstract: A device for transporting sheet glass heated to the softening temp. consists of rolls around which ropes or strips of fibrous material are wrapped either in the form of rings or spirally so that gaps are left between the glass and the rolls for the passage of air or other gas. Uneven heating of the glass is avoided since air can pass under as well as over it. A smaller area of glass in contact with the rolls and fewer marks are imparted to the glass. Less fibrous material is used.