baber/WOPTO huggingface dataset:
Patent FR-2252393-A1 (FR)
Title: Lubricating oils from vacuum distillates - by catalytic hydrogenation, opt. followed by solvent extraction, dewaxing, etc.
IPC: C10G45/44
Filed: 1973-11-22
Abstract: Lubricating oils are produced from vacuum distillates by catalytic hydrogenation under moderate pressure and temp. condition such that the temp. is always above 310 degrees C but does not exceed the hydrocracking temp., opt. followed by solvent extraction, dewaxing and finishing (bleaching or mild hydrogenation). The hydrogenation treatment increases the yield of useful product, e.g. by 5-30% compared with conventional processes, and reduces the S content of the product; the amt. of selective solvent can be reduced and, in some cases, solvent extraction can be omitted completely. The catalytic hydrogeneationis pref. effectd at an av. temp. of 310-450 degrees C (esp. 340-390 degrees C) and a pressure of 40-100 bar (esp. 70 bar) with an LHSV of 0.25-3 (esp. 0.25-2). The catalyst is pref. a sulphided catalyst contg. a Group VI6 metal and one or more Group VIII metals on an alumina support; a specifically claimed catalyst contains 15 wt. % MoO3 and 3 wt. % NiO. The total S content of the raffinate is pref. 2 wt. %.
Patent FR-2256378-A1 (FR)
Title: Heating plant using solid fuel - has boiler, induced draught fan and cyclone separator on common baseplate
IPC: F24H1/06
Filed: 1973-12-28
Abstract: A baseplate is constructed from channel irons (2) with a sheet of steel laid over them and covered with refractory material. On this are fixed a hot water boiler (4), an induced draught fan and a cyclone separator (5) with a chimney (13). The baseplate has lifting eyes (21, 22) so that the entire assembly can be lifted and put in position as a single unit. This saves site erection costs. The flue outlet (6) of the boiler is connected to the inlet eye of the induced draught fan which is belt driven from an electric motor. The fan discharge is connected to the cyclone grit separator (5) which cleans the flue gases and the outlet of the separator is connected into the base of the chimney (13).
Patent FR-2256906-A1 (FR)
Title: Stable slow burning pyrotechnic compsn. - permitting extrusive or compressive forming and easy ignition
IPC: C06B45/10
Filed: 1974-01-04
Abstract: Pyrotechnic articles are based on a stable oxidising agent, a nitrated carbohydrate and cyanamide (CNA) or dicyanamide (DCNA). The oxidising agent is pref. a nitrate and the nitrated carbohydrate pref. dinitrocellulose (DNC) in the form of grains plasticised with polyethylene glycol. Some compsns. may contain hydrocyanic acid or powdered, flaked or pelleted metal. The finished article may be covered with a coating facilitating ignition or increasing shelf-life. The nitrated carbohydrate e.g. DNC, facilitates ignition and combustion and helps bind and preserve the mixt.; CNA or DCNA is added as fuel and also helps stabilise the DNC. There can be various other addns. to impart effects of colour, brilliance or speed of combustion. The binder is a nitrated carbohydrate wetted by an org. solvent and the whole mixt. of ingredients can be safely handled throughout the process.
Patent FR-2256880-A1 (FR)
Title: Polyethylene cap with integral pouring spout - with internal teeth for cutting a security foil
IPC: B65D47/06
Filed: 1974-03-05
Abstract: Combined closure cap and pouring spout for bottles or vessels sealed prior to use with a security foil, where the closure incorporates an internal annular skirt comprising a set of teeth, designed to puncture and cut out the foil as the cap is screwed on to the neck. Used esp. for spouts moulded in low density polyethylene for fitting to containers for precious or dangerous chemicals, e.g., acids for filling vehicle accumulators. Provides for safe and easy perforation of the foil.
Patent FR-2229132-A1 (FR)
Title: High-tension unit - with core and insulation separated by flexible polyure-thane layer with hollow sphere content
IPC: H01H33/72
Filed: 1974-05-06
Abstract: The layer material is of polyurethane with 0.1-10.0% by wt. of 10-100mu dia. hollow spheres clad with vinylidene chloride acrylonitrile copolymer with a vol. wt. of about 0.03 p/cm3. The material is pressed between the glass resin core and the weather-proof resin insulating mantle and hardened to give a 40-90 shore A hardness. The purpose is to provide a flexible buffer to absorb pressures between core and mantle, with good mechanical bonding and good electrical characteristics.
Patent FR-2269911-A1 (FR)
Title: Automatic shoe polishing method - uses shoe to rock plate which drives brush with planetary motion
IPC: A47L23/16
Filed: 1974-05-10
Abstract: The user places his shoe (2), on a plate (3) which he rocks around a horizontal axis. This rocking movement causes a planetary movement around the shoe of a rotating brush (11), by means of a horizontal plate (7) which is rotated by a pawl mechanism (9, 10) engaging in a circular toothed rack (8). The brush can be rotated by means of a friction roller (13) which is turned by a cam surface (14) on the interior vertical wall (15) of the device or by means of a small motor.
Patent FR-2272265-A1 (FR)
Title: Stratified charge IC engine - has piston with protuberance to nearly close primary and main combustion chambers at T.D.C.
IPC: F02B19/10
Filed: 1974-05-24
Abstract: The stratified charge engine has a main combustion chamber (1) extended to form a primary combustion chamber (2) in the zone of the inlet valve (4). A weak mixture is drawn through the inlet valve (4) and compressed by the piston (7). The piston (7) has a protuberance (8) which very nearly shuts off the primary chamber (2) from the main chamber (1). Additional fuel is injected through the valve (6) and the rich mixture thus formed is ignited by the sparking plug (5). The working cycle is completed in the conventional manner with the exhaust gas escaping through the valve (3). The suction stroke of th next cycle draws a fresh supply of weak mixture through the primary chamber (2) and scavenges the combustion products of the previous cycle.
Patent FR-2272887-A1 (FR)
Title: Boarding step for inflatable boat - is vert. strip with lower step, upper handle and upper attachment fork
IPC: B63B27/14
Filed: 1974-05-27
Abstract: The boarding step consists of a vertical strip bent over at the lower end to form a step (3). A second step piece which is similarly shaped may be welded or rivetted higher up to form a second step. Hand grips (4) are placed further up on the strip. On an inflatable craft the step bears over the top of the inflated float, and is anchored inside the hull of the craft to the engine by a fork (2) and bolt construction at the top. The step may be integrally moulded from plastics or the step (3) and handle may be joined to the strip afterwards.
Patent FR-2276549-A1 (FR)
Title: Heating element for industrial water tanks - internal jacket is pressed onto heating spiral
IPC: F24D3/08
Filed: 1974-06-27
Abstract: The element consists of two cylindrical jackets enclosing a water space. An intermediate spiral projects from one jacket, and is covered by the other, consisting of shett metal, to form the water space into a helical channel. The jacket is pressed onto the spiral, to give a pinch fit. The internal jacket (5) has a helical groove (4). The lower end of the outer jacket (3) has a widened section (8), with a conical surface at one point. Both ends of the outer jacket are flanged inwards, to contact the internal jacket, where they have been fastened by a fillet weld. (12).
Patent FR-2277452-A1 (FR)
Title: Base for automobile head lamp - has offset orifice for direction indicating bulb
Inventor: LESTRAT MICHEL
IPC: F21V19/00
Filed: 1974-07-02
Abstract: The base, designed for an automobile headlamp and also incorporating the direction indicator bulb, has two orifices. The central orifice is designed to accommodate the main headlamp bulb (22). The other orifice which is slightly off centre is designed to accommodate the position indicator bulb (23). The base is fixed to the rear part of the reflector, and the position indicator within the headlamp is situated very close to the reflect optical axis. The base is incorporated in a sealed beam type of headlamp, or can be fitted in the rear part of an interchangeable type headlamp.
Patent FR-2287610-A1 (FR)
Title: Expanding fixing pin with threaded head - is retained in position by external washer engaging projecting thread
IPC: E04F13/08
Filed: 1974-10-07
Abstract: The pin consists of a cylindrical metal body (1) with an externally threaded end (2) of larger diameter than the shank. From the threaded end, an axial hole (3) is formed about two thirds of the length of the pin and from the opposite end, one or more diametral cuts (5) are made extending to about 85% of the pin length. An expansion pin (9), fitting in the hole is inserted to the "ready" position and is retained by a washer (7) pushed on the pin shank and tending to squeeze the slotted end together. All the components are thus conveniently held together, whilst the assembly is inserted into the fixing hole and positioned by the washer. When inserted, the expansion pin head (10) is given a blow by a hammer to drive the pin home and expand the slotted end.
Patent FR-2287977-A1 (FR)
Title: Porous moulds for the ceramic industry - which have better properties than conventional plaster moulds
IPC: B28B1/26
Filed: 1974-10-17
Abstract: Process for making a material for use in mfg. moulds for the ceramic industry, the novelty being: (a) the very dry materials are weighed and mixed; (b) water is added according to the grain size range, nature and porosity of the aggregate; (c) mixing, followed by mechanical agitation to remove bubbles; (d) casting in a master mould; (e) after a defined setting period the casting is removed and dried in an atmos. satd. with water vapour for final drying. The master moulds are pref. made of plaster coated with vanish to make them impermeable, or they can be made of plastic. The casting is pref. heated at 25-40 degrees C after extn. from the master mould. Materials (a) pref. contain a binder which sets rapidly in the presence of water. As compared with the plaster normally used for moulds, this new material is harder, more scratch-resistant, has a higher absorbent power, and is less soluble. The result is that moulds far superior to plaster moulds can be made for only a very small increase in cost.
Patent FR-2290923-A1 (FR)
Title: Peristaltic system muscle exerciser - with patient positioned on platform to swing handle bar against resistance
IPC: A63B21/008
Filed: 1974-11-12
Abstract: A platform (1) has en emplacement (2, 3) each end for the feet, spread apart. An outrigger arm (7), on the level of the platform, pivots about a point (5) centrally between these emplacements. This arm supports a vertical post, adjustable on a sleeve (9), which carries a handlebar (12) on top. This is gripped (13) in both hands by the patient who then swings the outrigger from side to side over an arc of 180 deg. The handlebar height is adjustable and a resistance is provided by a pump on the outrigger pivot operating through a variable flow valve, the assembly being fitted inside the platform space.
Patent FR-2288830-A1 (FR)
Title: Anchorage system for tubular building framework elements - uses interlocking longitudinal grooves on tubes, and clips
IPC: E04B1/32
Filed: 1974-10-22
Abstract: The system is for assembling tubular building components such as those used in forming the supporting structures of greenhouses, hangars, scaffolding, etc. A tube (1) has a lengthwise rib (2) on its surface which joins up with a corresponding rib when two tubes are pushed together. This formation with a double shoulder reinforces the cylindrical structure of the tube without affecting its bending capacity. This groove allows the fixing of clips (7) which increase the friction and hence grip of the surfaces in contact. The assembled tubes are therefore unable to rotate once in place.
Patent FR-2299846-A1 (FR)
Title: Stretch band for stump of person wearing false limb - preventing skin complaints and maintaining direct contact between stump and socket
IPC: A61F2/78
Filed: 1975-02-04
Abstract: Device for protection against skin complaints and pains for persons with amputated limbs and wearing false limbs covers only the upper region of the stump over a height of 3-5 cm. The device comprises in its lower region a ring having a dia. of 7 cm. and a height of 8 cm. approx., while in its upper region is a wide flat band having a height of 15 cm. approx. The device is the same for sockets for the thigh, leg, arm or forearm. The device owes its effectiveness to the elasticity of the threads used and adapts itself to the stump and to the false limb by stretching. It may be manufactured by knitting or weaving from materials other than silk, nylon or polyamide having similar properties of elasticity, the shape and proportions in no way altering the principle of the invention.
Patent FR-2304376-A1 (FR)
Title: Indoor game for several players - using pieces divided into four different groups
IPC: A63F3/02
Filed: 1975-03-17
Abstract: Forty pieces are used in the game, divided into four different groups, the first three groups each having twelve pieces. Both faces of pieces of one group are black. The pieces of the third group have one face white and one black. The last group, which is used as jokers, has one black and white face on each piece, while the other face is white for two and black for two. In the game each player claims that the invisible face is either black or white, even if it is not. At any time another player can contest this.
Patent FR-2315584-A1 (FR)
Title: Suspended ceiling rail support bracket - is malleable metal strip bent over flange of overhead beam to form horizontal supporting lip
IPC: E04B9/18
Filed: 1975-06-26
Abstract: The supporting bracket for a suspended ceiling support rail (7) is made from metal strip, which remains in position when bent. The strip is continuous, one end (8) finishing adjacent to the corner of the web and flange of the overhead universal beam (6) from which the false ceiling is suspended. The strip is wrapped around the outside of the bottom flange, folded back on itself to form a horizontal lip (9) resting on the flange, and then drops vertically. The inverted U-shaped ceiling rail (7) clips to the bottom of the bracket (10) and projections (11) fold over the rail to secure it.
Patent FR-2287083-A1 (FR)
Title: Display panel for data input terminal - has front plate with means for eliminating reflections
Inventor: LUDERUS FRANCOIS J D
IPC: G02B27/02
Filed: 1975-08-07
Abstract: The display panel (5) is pref. used as a data display for a manual data input terminal, e.g. with the display panel positioned between two facing desks, each incorporating an input keyboard. The display panel (5) has a transparent plate (7) positioned in front of it, perpendicular to the desk surface (6) from which the display panel (5) projects. The front surface of the transparent plate (7) has a sawtooth, wave-form profile, with the short profile edges forming a relatively small angle with the normal to the plate (7) and the long profile edges forming a relatively large angle with the normal. The profile angles are chosen such that light from a sheet of paper (6) on the desk surface (6) is not reflected by the plate (7) towards the operator.
Patent FR-2325228-A1 (FR)
Title: Coreless machine whose stator has cylindrical yoke - has centrally mounted permanent magnet and cylindrical air gap
IPC: H02K3/04
Filed: 1975-09-18
Abstract: A rotor (R) is mounted in the air-gap between an outer yoke and an inner permanent magnet and is connected to a supply source. It has a cylindrical winding (34) whose wires run there and back between the ends of the cylinder. The wires are arranged so that they cross all magnetic fields of different polarities. The rotor (R) is provided at one end of its cylindrical winding with a raised wire area (22) for connection to the current supply. There is a spring contact (37) connecting the top of the outer casing (38) with the central portion of the rotor.
Patent FR-2285940-A1 (FR)
Title: Adjustable lie holder for wire drawing - produces contracting wire coil from pneumatic operation due to angular wire path
Inventor: SEIFERT WALTER
IPC: B21C3/12
Filed: 1975-09-22
Abstract: A wire drawing machine has an adjustable die holder (5). To obtain a stable wire coil diameter on the draw drum (2), the wire from the die (6) reaches the drum at an angle which produces a coil that tends to contract. To alter the die position relative to the drum (2), a double acting pneumatic cylinder (9) swivels the die holder (6) about a pivot (4) against a stop screw (12). This adjustment occurs at the beginning of the drawing operation after the leading wire end has been attached to the drum. The guide (5) for the die has a stop (12) to limit its outward movement when the cylinder is operated.
Patent FR-2324285-A1 (FR)
Title: Medical spray tube for mouth or eyes - has delivery holes soping to deliver converging jet, and jets may be pulsating
IPC: A61H13/00
Filed: 1975-09-22
Abstract: The medical spray for the mouth or the eyes, has a delivery tube (6) to which liquid is supplied under pressure, with a set of jet holes (9, 10) at the end. The holes may be two in number in line with the axis of the tube, or further holes may be included. The two holes of a pair may slope towards one another so as to form two jets which converge at a single point (11). The delivery tube may form part of an assembly with a liquid container, a pump and a motor mounted on a common base. The inside of the delivery tube may be shaped to ensure a pulsating flow. The tube is made of a material aali to withstand a sterilising temperature of 185 deg.C.
Patent FR-2329407-A1 (FR)
Title: Portable sandblaster for placing over work surface - has open ended hood with elastomer outer seal and contg. moving jet pipe
IPC: B24C3/06
Filed: 1975-10-29
Abstract: The sandblaster consists of a grit supply hose (106) mounted in a conical hood. The hood has an elastomer ring along its bottom edge so that a sealed chamber is formed when the hood is placed on a surface. The grit supply hose is mounted in a sleeve (86) which in turn is supported in a bearing (87) in the top face of the hood. A chain wheel (96) is mounted on the sleeve which is driven by a chain. The sleeve extends into the hood. A framework (76) is mounted on the sleeve in which the end of the hose with jet is supported off-centre. The jet is supported in a spherical bearing (105) so that it can move over a circular path, when the sleeve is rotated.
Patent FR-2362235-A1 (FR)
Title: Edge of textile used e.g. for screen printing - is locked by applying band of adhesive 1-2 cm wide
IPC: D06H7/00
Filed: 1975-11-20
Abstract: The edges of e.g. a textile sample are locked to prevent fraying by applying a strip of adhesive along the edge of one of the faces of the textile. The strip of adhesive is 1-2 cm wide. The method is used for e.g. locking the edges of screens used in screen printing. The adhesive may be a glue or a thermoplastic fused to the edges of the sample. The adhesive may be applied by running two edges between a roller nip which applies the adhesive.
Patent FR-2297984-A1 (FR)
IPC: E06B5/16
Filed: 1976-01-19
Abstract: The tubular frame construction for doors and fixed glazings in smokeproof version with glazing which is fire-resistant has a subconstruction made from steel tubes. The subconstruction is constructed from rectangular tubes (1a, 3a) or L-shaped tubes. In the rebate region, rebate tubes (2a, 4a) or rebate tube parts are provided. Fixed on the subconstruction are covering profiles (10, 19) preferably made of light metal. The material outlay for the construction according to the invention is kept low by three basic types of covering profile being provided, namely a symmetrical covering profile for glazing on both sides and two asymmetrical versions (10, 19), in which a cover for the glass-holding angle (18) is provided on one side, while the other side corresponds respectively to the narrow or wide aspect of the rebate profile construction.
Patent FR-2339062-A1 (FR)
Title: Radial piston engine with rotary cylinders - has gear drive to rotate crankshaft in opposite sense to cylinders
IPC: F02B75/18
Filed: 1976-01-26
Abstract: The two-stroke four cylinder engine rotates about the crankshaft (6b). The crankshaft is mounted in bearings supported by the fixed circular housing. A train of bevel gears between the crankshaft and cylinder assembly causes the crankshaft to rotate in the opposite direction to the cylinder assembly. Eight electrical contacts (15) are provided at points around the housing and generate a spark in the plugs (14) as they pass. Cooling air is admitted through a central port on one side of the housing and expelled through ports on the other side of the housing. The rotating cylinders improve the efficiency of lubrication and the efficiency of the airflow into the engine.
Patent FR-2307405-A1 (FR)
Title: Time or clock pulse control system - has terminal or subscriber station(s) connected by microwave transmission line
IPC: H04J3/06
Filed: 1976-04-09
Abstract: The time or clock pulse control system is for a digital data transmission system with a number of exchanges, and each exchange has a control clock pulse generator and at least one high speed multiplexer. At least one terminal or subscriber station has a clock pulse generator, a high and low speed multiplexer and a time division switch. A microwave long distance transmission line connects the exchanges, through which one master clock pulse generator supplies timing signals to all the other slave clock generators. The terminal or subscriber stations are arranged in tandem, and the master clock pulse generator is provided in a station which is at least in the middle of the chain.
Patent FR-2348106-A1 (FR)
Title: VTOL aircraft engine - consists of turbine with aerofoils placed in jet stream to provide vertical lift
IPC: B64C29/00
Filed: 1976-04-14
Abstract: The engine consists of a turbine (2) which rotates at high speed to produce a flow of air over aerofoil (3, 4), placed with the turbine in a contoured jet pipe (1). Above the aerofoil is a converging opening (5) from the jet pipe and below the aerofoils is a diverging opening (6) from the jet pipe, these openings enhancing the drop in pressure across the aerofoils and consisting of movable shutters (7, 9) operated by, for example, hydraulic jacks (8, 10). The configuration of the jet pipe and the power of the turbine is chosen so that the mean speed, v, of the air sweeping the aerofoils satisfies the relationship KZSV2/ 16>/P where kz is a coefficient depending on the aerofoil, S is the plan surface area of the aerofoil and P is the total weight of the object and engine.
Patent FR-2365373-A1 (FR)
Title: Security document shredding machine - has rotating inner drum with two retractable bolts working together with milling cutter
Inventor: GOIN MAURICE
IPC: B02C18/14
Filed: 1976-09-24
Abstract: The machine consists of a stationary outer drum /10/ and a concentrically mounted rotating inner drum /20/ with a width /1/ equal to one of the dimensions of the cards to be destroyed. The drum /20/ is fitted with two diametral bolts /60/ radially slidable against the force of springs /64/. Between the outer surface of the drum /20/ and inner surface of drum /10/ a gap is provided to accommodate the thickness of packets of cards for destruction. At the bottom of drum /10/ a milling cutter-type shredding tool /70/ is rotating with stepped cutting edges penetrating into grooves on the rotary inner drum. The shaft of the rotary drum is fitted on both ends with cam discs /80/ which retract the bolts /60/ when they arrive in front of the cutter.