baber/WOPTO huggingface dataset:
Patent FR-2271359-A1 (FR)
Title: Lost formwork wall element - as cushion on wooden intersecting-beam reinforcing frame
IPC: E04C1/40
Filed: 1974-05-17
Abstract: The wall element is designed to combine acoustic and heat insulation properties and mechanical concrete load bearing properties and is supported on bearers to serve as lost formwork. It is in the form of a padding cushion of foamed synthetic material, fixed to a reinforcing element made of wood, which comprises two or more lengthways beams interconnected by cross-beams, the latter being pref. fixed on the former and extending beyond them to serve as stops for positioning. The cushion may comprise panels cut and assembled with the aid of pieces of foamed material cemented together. During assembly, a strip fo foamed material, at least as high as the cross-beams, may be incorporated over the whole length of the lengthways beams.
Patent FR-2275449-A1 (FR)
Title: Methionine prepn. by three-stage process - from allyl isonitrile via an alkyl isocyanobutenoate
Filed: 1974-06-21
Abstract: Methionine prepd. by reacting allyl isonitrile with a dialkyl carbonate in presence of NaH, neutralising with acid to give an alkyl 2-isocyanobuten-3-oate which in the second stage, is treated with CH3SH to give an ester of methionine which gives methionine when hydrolysed with a strong acid.
Patent FR-2286971-A1 (FR)
Title: Ball and socket joint - has moving upper plastic ring to ease assembly and resist withdrawal of ball
IPC: F16C11/08
Filed: 1974-10-03
Abstract: The ball (1) locates in a socket (2) in which is a hemispherical plastic lower seating (3). A hemispherical plastic ring (4) is pitioned in the upper part of the socket, and can be either in a high (h) or low (b) position. In the low position, the ball can be easily pushed into its location by stretching the upper edge of the ring. When the ball is pulled outward, the ring moves upwards and is prevented from expanding by contact with the upper part of the location (2). A variation has compressible pieces between the upper and lower plastic components.
Patent FR-2289239-A1 (FR)
Title: Selective dimerisation of diolefins into linear prods - using divalent nickel complex oligomerisation catalyst
Inventor: TKATCHENKO IGOR
IPC: C07C2/40
Filed: 1974-10-28
Abstract: Catalyst complexes for selective dimerisation of diolefins into linear compsns. are made by reacting a salt or coordination complex of divalent Ni with an alkali metal phosphide in an non-hydroxylated medium, followd by the addn. of a hydroxylated substrate. The catalysts have high specificity and are esp. useful for dimerisation of butadiene into octatriene-1,3,6 (OT-136) and octatriene-1,3,7 (OT-137).
Patent FR-2293576-A1 (FR)
Title: High pressure radial piston engine - has floating piston shoes and increased piston bearing area
IPC: F01B1/06
Filed: 1974-12-02
Abstract: The radial piston engine has working chambers with fluid actuated pistons. The piston shoes have central support. The piston shoes enter at least partly into the rotor. The pressures in the radial piston engine are increased by increasing the bearing surface area between the piston and piston shoe and the bearing surface area extends over the whole piston cross section, and the machine has a high volumetric capacity. The piston shoe (1) is arranged between the piston guide (33), rotor (9) and end faces (14) and it has a central radial support (8) between radial steps (23) of the rotor (9). The piston shoe has two dimensional play relative to its adjacent components and this freedom of movement is provided by clearances. The piston shoe is able to float between the rotor and piston.
Patent FR-2293141-A1 (FR)
Title: Flower bulb cultivation unit - has pot recesses in top plate with filling water gauge and aeration holes
IPC: A01G9/10
Filed: 1974-12-03
Abstract: The flower cultivation unit consits of a horizontal plate containing a certain number of vertical compartments in which the growing medium is contained, and a container on which the horizontal plate rests, and which is intended to serve as a water container. Between the compartments, the plate has three holes, for filling the water container, housing a water level gauge, and aeration. The lower part of the compartment has a rim extending inwards and a cone with its tip pointing downwards. A hole at the cone tip allows the entry of water. At the junction of the upper part of the cone with the rim are a number of aeration holes.
Patent FR-2266668-A1 (FR)
Title: Depositing a layer of glass inside a silica tube - to produce optical fibre blanks, using a heating flame, a shaping roller and a local pressure of gas
IPC: C23C16/04
Filed: 1975-03-06
Abstract: Obtg. tube blanks used for drawing optical fibres in which a deposit of glass is formed at high temp. inside a silica tube by introducing volatile chemical components which decompose to give molten oxides which form the glass, characterised in that the form of the tube is preserved during the whole, the deposit exists by counteracting the phenomena producing deformation caused by its weight or by pressure from the gas from the heating jets using >=1 rollers, vanes etc. rubbing or rolling the outside of the tube in the heated region and maintaining a gaseous pressure difference between the inside and the outside of the tube, the pressure inside the tube being somewhat greater than that outside it. The dimensions of the tube link being kept uniform along the length of the tube, the optical fibres produced on drawing have consistent props. with the refractive index varying uniformly from the inside to the outside.
Patent FR-2305127-A1 (FR)
Title: Self contained automatic fish feeder - has battery driven timing mechanism with motor operated winch driving cam to open hoppers
IPC: A01K61/80
Filed: 1975-03-27
Abstract: The fish feeder consists of a container (1) which includes a large number of adjacent food hoppers closed by trap doors (3). The opening of the trap doors, which takes place at intervals of 1, 224 or 48 hrs., is effected by means of a cam (5) operated by a winch. The winch is driven by a low voltage electrical motor (7) with reduction gear and clutch, and is time operated by an electromagnetic programmer built into the winch. The timing is controlled by a battery driven clock of which the hour hand actuates a microselector switch.
Patent FR-2309424-A1 (FR)
Title: Bottle cap with pouring spout - has cap retained by rim on pouring insert after removal of tear off ring
Inventor: BABIOL PIERRE
IPC: B65D47/12
Filed: 1975-04-29
Abstract: A plastic pouring spout and cap for a bottle is an assembly with a power insert (5) pushed into the neck of the bottle (1) and retained by a rim (17) engaging under a ridge (11) inside the bottle neck. The cap (4) has an upper part (6), a removable safety ring (7) and a lower ring (8). It is held in place by a ridge inside the cap engaging in a groove (10) on the neck of the bottle. After removal of the tear off safety strip, the cap (6) is held in place by a ridge engaging under a circumferential lip (18) formed as part of the puring insert. The cap can be simply pressed on and off, due to the flexibility of the material.
Patent FR-2310884-A1 (FR)
Title: Game fitting equipment to notebook - has game printed on front or rear cover with printed tear line
IPC: B42D3/12
Filed: 1975-05-14
Abstract: A folder allows the fitting to a notebook cover or insert of a game which is detachable from it and can be secured in place again. The game is printed on the front or rear cover surfaces, having a sector positioning the binding, and a printed tear line at the central hinge. A sheet can be contiguous to the printed cover, having a gluing and a cutting-out section from which the game accessories are detached. The sector of the sheet not cut out can be joined along the edges to the rear of the cover, while the front bears the game and forms a pocket for the game counters etc.
Patent FR-2315034-A1 (FR)
Title: Vehicle windscreen wiper drive rod joint - uses ball and socket with protective cup-shaped cap
IPC: F16C11/06
Filed: 1975-06-20
Abstract: The ball and socket joint for the drive rod of a vehicle windscreen wiper has one rod element with a pin on which is mounted a rotatable ball. A further rod element carries a socket seat for the ball. A protection device for the joint comprises a deflecting cup mounted on the pin and capping the joint. The deflecting cup has an inclined portion which is spherical and prevents water from entering the region of the ball and socket.
Patent FR-2316498-A1 (FR)
Title: Expansion joints formation - using elastomeric material and compsn. including coal tar pitch and epoxy resins
IPC: E01C11/10
Filed: 1975-07-03
Abstract: A method is described for forming an expansion joint bridging a gap between two adjacent surfaces, involving applying to the margins of the surfaces adjacent to the gap a compsn. comprising (a) a first part contg. 40-50wt.% coal tar pitch, 10-25wt.% epoxy resinous matl., and a compatible filler matl., and (b) a second part contg. an activator for the epoxy resinous matl. with sufficient solvent added to one or both parts of the compsn. to render it workable at ambient temps. A strip of elastomeric matl. is embedded in the compsn. so that the strip extends along the length of the gap and opposite margins of the strip are bonded to the margins of the surfaces.
Patent FR-2320506-A1 (FR)
Title: Hot water boiler for central heating system - has tube bundle within combustion chamber receiving tapped off return flow from header
IPC: F24H8/00
Filed: 1975-08-04
Abstract: The boiler has flow and return connections to a water jacket surrounding the combustion chamber. A branch is taken from the return connection and this takes a portion of the return water to a header which distributes it to a bundle of tubes placed directly in the combustion chamber. This water is heated directly and instantly to a temperature equal to the boiler discharge flow temperature. At the other end the tubes are connected to a further header from which a connection is taken into the boiler flow.
Patent FR-2325898-A1 (FR)
Title: Rocket parrying equipment for aircraft - has defensive rocket extracted by parachute on opening magazine air entry valve
IPC: F41H11/02
Filed: 1975-09-23
Abstract: The parrying equipment is for use by aircraft against ground-to-air or air-to-air rockets pursuing them, having means for destroying them before explosive contact. This can be a rocket from the aircraft with a searcher head, or of the explosive defensive type. This can be extracted by parachute from the magazine of the aircraft, by opening the air entry valve of the magazine compartment. Firing can take place immediately after extraction, or can be remote-controlled by the pilot.
Patent FR-2337676-A1 (FR)
Title: Medium size container conveyor - has stop with probe to actuate inflation mechanism of tube lying in channel along belt
Inventor: GUILLON JEAN-PAUL
IPC: B65G47/26
Filed: 1976-01-08
Abstract: The conveyor consists of an endless belt (3) revolving over drive rollers (2) and held in a main chassis (1). An inflatable tube (4) lies in a channel along side the belt and extends along the belt to a length greater than the container. Air is supplied to the inflatable tube from the main supply pipe (5) through the control valve (6). The presence of a container is detected by the probe (7). To stop a parcel moving along a belt the tube is inflated thus lifting the base of the parcel clear of the belt.
Patent FR-2339786-A1 (FR)
Title: Pipe clamp allowing slow adjustment - has threaded rod with sliding end block and central bush with leaf sprung bearings
Inventor: PIERRES GILDAS LE
IPC: F16L3/202
Filed: 1976-01-30
Abstract: The device is used as a pipe clamp assembly in nuclear power stations, and releases pipes for small relative movements, e.g. due to expansion, while locking them when subject to large movements over a thresholdvalue. It consists of a cylinder with axial extension tube (2) with grooves walls (3), leading to the pipe clamp. There is a central threaded rod (7) connected to the fixed pipe-anchor. The other end is embedded in a block (10) which runs in the grooves (3) and prevents rotation. The main body of the cylinder contains a bush, threaded to fit the rod (7) and free to turn slowly on ball bearings (16) at each end. Leaf springs control the rate by pressing against the bearing races.
Patent FR-2299969-A1 (FR)
Title: Typewriter with individually selectable longitudinal ribbon regions - has controls which are used for moving selected region into operative position
Inventor: WALKER-ARNOTT DAVID ATHELTON
IPC: B41J35/18
Filed: 1976-02-05
Abstract: Typewriter has a ribbon divided along its length into regions of different colour or other characteristics, e.g. suitable for stencil cutting or type cleaning. The regions are separated by stops (100) which work the reverse mechanism of the ribbon drive (50, 52) when the ribbon reaches the end of a particular region. Different regions are selectable by respective switches (240, 260) which act on a control (60, 62) of the ribbon drive to move the selected region into the operative position (32) at the typing gate (32). The regions may be separated by lengths of the ribbon made of a material which does not absorb or transfer ink.
Patent FR-2348763-A1 (FR)
Title: Contracting tubes under high pressure - has mandrel reflecting required shape held in tube and assembly covered with rubber sleeve
IPC: B21D26/02
Filed: 1976-04-21
Abstract: A mandrel (1) having any desired shape is placed inside the end (2) of a tube (3) to be contracted. The mandrel comprises a cylindrical head (4) at one end, provided with a sealing joint (5), resistant to very high pressures, and with a central bore which improved the seal of the joint. At the other end of the mandrel is a screw threaded stub (10) onto which is fixed a nut (11) abutting onto the end of the tube. A supple sealing jacket (12), for example made from india rubber, fits over the end of the tube and is fixed by a circular ring. The whole assembly is placed ina pressure chamber and subjected to a pressure of over 1000 bars resulting in the end of the tube adopting the shape of the mandrel.
Patent FR-2315899-A1 (FR)
Title: Chromatographic electronographic scanning of living organisms - with organism between condenser plates covered in light sensitive film
Inventor: DUMITRESCU ION FLORIN
IPC: G03G15/22
Filed: 1976-05-04
Abstract: The organism or tissue sample under investigation is placed between two condenser plates each covered on the inside by light sensitive paper or film and a high voltage is applied to the condenser plates either in the dark or in projection light and an electrical impulse applied of specific polarity and pulse shape whose amplitude lies in the critical boundaries of the micro disruptive discharge of the tissue and tissue polarisation whereby the images produced in the light sensitive film is developed, fixed and finally investigated. Pref. the film is coated with a chromatographic light sensitive emulsion or a light sensor sensitive to a specific colour of the spectrum.
Patent FR-2355948-A1 (FR)
Title: Small dia. steel cable mfr. used in fishing and clock mfr. - by twisting steel threads so that untwisting does not occur when sliced
IPC: D07B1/06
Filed: 1976-06-25
Abstract: Small dia. steel cables are mfd. by twisting several steel threads together in one direction to produce a strand, twisting a number of strands together, to a short twist, in the opposite direction to produce an elementary cable and twisting together several elementary calbes, to a long twist in the same direction as that in which the threads were wound, to form the final cable. Each thread is also simultaneously or previously twisted about itself in the first direction during strand mfr.
Patent FR-2359358-A1 (FR)
Title: Moulded plastics connector for tubes or hoses - has one part with spring hooks which snap over rims on other part
IPC: F16L21/08
Filed: 1976-07-23
Abstract: The connector assembly consists of two parts mounted on the ends of hoses to be connected. The first part (10) has a bore (31) with which it fits over the tube (T) to be connected. The end has an external cone with slotted end, and two protruding spring hooks (22). An internal cone on the mating part is pushed over the external cone on the first part so that the slotted ends of this cone are pressed against the tube. If the mating part is pressed fully home, the spring hooks on the first part, snap over rims on the mating parts. To disconnect the coupling, the spring hooks must first be lifted.
Patent FR-2360975-A1 (FR)
Title: Mica dielectric - has extended power capacitor with electrodes forming tabs for mounting onto conductors and batteries
IPC: H01G2/06
Filed: 1976-08-02
Abstract: A power capacitor (10) comprises dielectric layers (11) such as silvered mica, disposed between two metal plate electrodes (12) and encased in an insulating material e.g. epoxy resin. Each plate is extended by a flange (14) parallel to the plane of the dielectric layers. The flanges have tabs perpendicular to the plates for mounting onto conductors (17), and batteries. The power capacitor may be used for connection, decoupling, and for compensation of the power factor at high frequencies.
Patent FR-2323119-A1 (FR)
Title: Stacked plate heat exchanger - has plates pressed and stamped with helical dividing walls and mating projections
IPC: F28D9/00
Filed: 1976-09-01
Abstract: The heat exchanger consists of heat-transmitting plates, positioned in a stack. The plates are stamped and pressed and have helical dividing walls, consisting or projections and recesses. The projections of one side of the plate form corresponding recesses on the other side. Flow channels are formed between the walls, and their coils are connected. The ends of the flow channels are in contact with connection channels, which are normal to the plane of the plates. The projections on the opposite surfaces of two plates contact each other and form the walls of the flow channels. The walls are formed by concentric ring-shaped ribs and the connections between the coils are formed by deflection ridges and apertures in the ribs.
Patent FR-2372385-A1 (FR)
Title: Liq. fuel burner - converts liq. to gaseous fuel before ignition
IPC: F17C7/04
Filed: 1976-11-29
Abstract: The burner has a combustion chamber (1) which opens up into a pipe and into a chamber (5). The atomiser (7) passes through the base and is supplied by a cnetral inlet pipe (8). A pump (10) supplies the fuel from the tank. combustion air from the fan (12), is connected to the burner by the pipe (13). Air from the economiser (14) is heated and is fed by the pipe (16) into the chamber (5). A bleed from the economiser is diverted to the heat exchanger (20) controlled by the thermostat (21). The heated air is supplied to the combustion chamber, through the orifice (7).
Patent FR-2340622-A1 (FR)
Title: Silicon gate FET mfr. - proceeds through preliminary formation of capacitor to five lithographic masking stages
Inventor: RIDEOUT VINCENT L
IPC: H01L27/108
Filed: 1977-01-05
Abstract: Field effect transistors of both enriched and depleted types, i.e. normally conducting or cut-off, are produced; several fet's can be formed on the same substrate and included in integrated circuits. The fet element has a silicon gate and includes a capacitor in the build up on the substrate. Five stages of lithographic masking are employed starting with isolation of the transistor regions from neighbouring components, source and drain regions are automatically aligned with respect to the gate area and one electrode of the associated capacitor. Conducting surfaces are laid down in the final masking stage.
Patent FR-2376639-A1 (FR)
Title: Stake with spiral element on bottom of shank - has plate inclined to shank axis and welded or moulded in position
IPC: E04H15/62
Filed: 1977-01-06
Abstract: The stake consists of a spiral at the bottom end of the shaft. The shaft has a single blade which is in the shape of a circle segment, and which is sloping in relation to the rod. The blade forms an angle of roughly 60 deg. with the shaft. The blade can be flat, or spiral, and is welded to the shaft, or is moulded at the same time as the shaft.
Patent FR-2345811-A1 (FR)
Title: Circuit support with insulating base - is made of physically stable material, with central hole and has several conductor traces
IPC: H01L23/498
Filed: 1977-01-24
Abstract: The conducting traces (16-18) firmly attached to the base (14) may be dovetailed into the material of the base. They form connections between the ends of the base and the hole in the centre. The traces have a trapezoidal cross-section, so that they have wide and narrow parallel sides. The narrow sides lie in the surface plane of the base material. Manufacture of the circuit element involves placing mashes (38,39,40) on a metal layer (35) followed by etching. The etched metal layer is placed in a mould and the base material is moulded onto it. The excess metal is then removed leaving only the traces (16,18).
Patent FR-2366102-A1 (FR)
Title: Machine a surfacer
IPC: B24B31/073
Filed: 1977-01-25
Abstract: Invention concernant l'usinage des surfaces. Appareil pour traiter la surface de pièces par une matière de finition meuble, tout en maintenant les pièces isolées vis-à-vis d'autres pièces et pour empêcher l'endommagement des pièces résultant de collisions entre elles, ledit appareil comprenant une chambre de finition vibratoire qui est supportée élastiquement, dans laquelle les pièces à travailler sont soumises à vibration avec la matière de finition et dans laquelle les moyens d'isolement des pièces comprennent des parois transversales pour séparer l'intérieur de la chambre de finition en compartiments individuels, ces parois étant adaptées à se déplacer le long de la chambre de finition et supportées pour un tel mouvement. Application au polissage de pièces.
Patent FR-2380092-A1 (FR)
Title: Canne d'insufflation de gaz dans un metal en fusion
Inventor: BENTZ GERARD
IPC: C21C7/072
Filed: 1977-02-10
Abstract: Canne d'insufflation du type comportant un corps tubulaire réfractaire et un élément poreux prévu à l'extremité dudit corps et délivrant le gaz sous forme de fines bulles. Le corps 1 est muni d'un évidement 6 dans lequel est logé l'élément poreux 7 et d'une canalisation interne 8 débouchant d'une part dans une chambre 5 communiquant avec l'évidement et d'autre part à l'extrémité opposée dudit corps 1. L'invention s'applique en particulier au dégazage de l'aluminium, du cuivre et de leurs alliages.
Patent FR-2381877-A1 (FR)
Title: Heavy load bearing metal flap - has interfitting sections assembled by flange and hook and by cylindrical tenon inside hook to form hinge
IPC: E06B5/01
Filed: 1977-02-28
Abstract: The metal flap is capable of supporting heavy loads and consists of sections fitted together along their lengthwise edges. A first fitment consists of a section near the upper surface, and consists of a lengthwise, inner flange which hooks over a correspondingly shaped lengthwise hook near the top lengthwise edge of a turned-down piece. A second fitment away from the upper surface consists of a hinge. The hinge comprises a cylindrical tenon formed along the entire lengthwise end of the bottom side of a U-shaped piece. The tenon fits so that it pivots inside a hook of circular internal cross-section formed along the lengthwise edge of the adjacent panel section.