baber/WOPTO huggingface dataset:
Patent FR-2143572-A1 (FR)
Title: Rubella vaccine - highly attenuated live form, free from side effects
IPC: A61K39/20
Filed: 1971-06-29
Abstract: Title vaccine comprises live rubella virus Strain To-336 (ATCC VR 553) subjected to at least 10 passes and a physiologically acceptable carrier the strength of the vaccine being at least 102.0 InD50/ml after dilution in an inoculable form and is prepd by supplementary cultivation of a rubella virus having been subjected to 10 passes in a tissue culture contg live cells of the african monkey (Green Monkey), duck embryo or rabbit at 28-36 degrees C until sufficient attenuation has taken place.
Patent FR-2156453-A1 (FR)
Title: Continuous casting - without causing fissures on simultaneously shaping and removing the rough casting from the mould
IPC: B22D11/128
Filed: 1971-10-20
Abstract: Continuous casting method avoids tensile stresses on simultaneously shaping and removing a rough casting from the mould, which effects a reciprocating movement, by periodically moving each casting section freshly formed in the mould in the direction of advancement to a degree equalling the pace of advancement. The casting is held in this position on return movement of the ingot mould.
Patent FR-2162337-A1 (FR)
Title: Metal leaf filter - with continuous band grooved on one side and wound to a spiral
IPC: B01D29/15
Filed: 1972-03-08
Abstract: A liquid or gas filter, e.g. to remove smoke from exhaust gases, or to trap cement fines; comprises a continuous band, e.g. of stainless steel, with shallow grooves, pref. converging in direction of fluid flow, formed on one side only, e.g. by stamping, electrolysis, etching, etc. The band is wound to a flat spiral or a helix, and compressed so that flow channels are produced between adjacent grooved and plane sides of the band; the pressure may be released to permit cleaning by backwashing. The helically wound band may be included in an appts. of 'Metafilter' type.
Patent FR-2180478-A1 (FR)
Title: Water demineralsn - by ultra filtration followed by reverse osmosis
IPC: C02F1/44
Filed: 1972-04-18
Abstract: The ultrafiltration membranes have a 'cutting' zone of >=5,000 esp. 20,000-150,000. They aer made by aq. thermal treatment, with or without stretching, of films of copolymer of acrylonitrile and ionic monomers. The upstream-downstream compartment pressure differential in the ultra filtration section is 0.4-50 bars, esp. 1-5 bars and in the reverse osmosis section is larger than the difference in the respective osmotic pressures of the water in them.
Patent FR-2134574-A1 (FR)
IPC: G04F10/04
Filed: 1972-04-27
Abstract: An electronic time-keeping device capable of functioning both as a stop-watch and as a timepiece. A signal generator constructed as a crystal oscillator provides a base frequency that is divided in a plurality of stages of frequency dividers and is then counted by counters that effect a time count displayed visually on a time display. The time count is applied from the counters to display elements through latch circuits constituting storage circuits under control of latch control means when the device functions as a stop watch and through these latch or storage circuits and other counting circuitry handling hour counts when the device functions as a timepiece. A reset unit resets the frequency dividers and the counters but is ineffective on the content of the counting unit consisting of the counters during a time count while the device functions as a stop-watch. A time-adjust unit receives count signals from the counters and generates a time-adjust signal applied to make time adjustments on the content of the counters when the device is used as a timepiece.
Patent FR-2183590-A1 (FR)
Title: Steel surface hardening - with current short pulse inductor
IPC: C21D1/10
Filed: 1972-05-12
Abstract: The 0.1 sec. duration extremely steep rear flank induction heating energy pulses for extremely fine grain surface harding layers on steel as in parent patent are produced by a high frequency generator with an operating frequency of pref. 27.12 MGz with a tuned circuit with a circuit Q above 100, which is pref. a large volume cavity resonator, which is fed by an oscillator valve with a comparatively small internal resistance, pref. 1000 ohms. This valve is fed with pulses having steep ascent and spontaneous descent characteristics, the duration for the latter being pref. shorter than 1% of the total effective pulse duration. The coil employed comprises a low ohm inductive coupling loop inductor, which is fed into the interior of the high quality cavity resonator(s). The method is fast and imparts very high surface hardness.
Patent FR-2248290-A1 (FR)
Title: Dehydrochlorination of chlorinated polymers - in fluidized bed in presence of lewis acid and inert filler
IPC: C08F8/26
Filed: 1972-10-17
Abstract: Dehydrochlorinated chlorinated polyolefins in particulate form are obtd. by (a) uniformly mixing 0.25-0.5 pts. wt. of a Lewis acid (pref. ZnCl2) per 100 pts (phr) of comminuted chlorinated polyolefin, (b) continuously passing inert gas (O2, HCl or N2) through the mixt. to form a fluidized bed in the presence of 2-5 phr of an inert filler (e.g. magnesium silicate) which has an affinity for adsorption onto the surface of the chlorinated polymer. (c) heating the fluidized bed to 160 degrees C until dehydrochlorination occurs, and (d) cooling the bed and recovering the prod. Further improved dehydrochlorination rates are obtd. by the additional presence in the fluidized bed of 0.1-1 phr of an antioxidant.
Patent FR-2204409-A1 (FR)
Title: Isolation of biologically active protein - with influence on primary carbohy-drate metabolism and the urea cycle and used to treat uraemia inflammation and shock
IPC: A61K38/00
Filed: 1972-10-27
Abstract: A biologically active protein is isolated, esp. from liver tissue, by (a) treating the starting material with aq. soln. of divalent activating metal carbon at neutral or slightly alkaline pH and sepg. the solids; (b) treating the liq. with a heavy metal precipitant and sepg. the ppte.; (c) adjusting the pH of the liq. to 8.3-8.5 and sepg. the ppte.; (d) treating the liq. with a conc. soln. of a salting-out agent and sepg. the ppte.f (e) diluting the liq. with a solvent to give a solvent concn. of 20-26 vol.%, sepg. the ppte., diluting to a solvent concn. of 35-40 vol.% to give a 3-layer mixt., and diluting the upper layer to a solvent concn. of 70-77 vol.%; (f) sepg. the protein ppte. and dispersing it in a solvent with a pH of 7.8-8.2; (g) dialysing the dispersion; (h) heating the dialysed prod. to 46-50 degrees C. and sepg. the ppte.; and (i) subjecting the liq. to electrophoresis to isolate the biologically active protein.
Patent FR-2218325-A1 (FR)
Title: Azine-contg. mixts. prepn. opt. contg. hydrazones - from carbonyl cpd., monoperoxy sulphuric acid and opt. amine
Filed: 1973-02-16
Abstract: Mixtures of azines (I) and hydrazones (II): (where R1,R2 are H, opt. substd. 1-12C hydrocarbyl, R3,R4 are opt. substd. 1-12C hydrocarbyl, which may also include a pyridino ring opt. with 1 ring C replaced by oxygen; one of R3R4 may also be H are prepd. from a carbonyl cpd. R1COR2 which is reacted with ammonia and a primary or secondary amine R3NHR4 and with a monoperoxysulphuric acid. The solvent is pref. water or a 1-6C alkanol. On hydrolysis hydrazines are obtd. from the product and the carbonyl cpds. may be recycled.
Patent FR-2220221-A1 (FR)
Title: Melted ccheese slice dispenser - with pref. coated contact heating plate, and built-in knife
IPC: A47J37/06
Filed: 1973-03-06
Abstract: Lightly grilled slices of melted cheese, are dispersed by a robust, simple appts, suitable for domestic use or for use by customers in a restaurant. A block of cheese is placed on an e.g. Al hot-plate, (pref. coated with PTFE), temp. of which is maintained pref. at 220 degrees C, by an embedded electric element; after 20-30 secs, it is pushed forward against a fixed knife blade, so that a slice of cheese is detached, to fall through a gap onto a plate placed below. The blade is also pref. coated, and is heated by conduction from the hot-plate. The appts is rapid and easy to use, and not subject to fouling.
Patent FR-2223511-A1 (FR)
Title: Vehicle for spreading liquid on roads - has height of jet above road surface held constant for roadworks
IPC: E01H3/02
Filed: 1973-03-28
Abstract: The rate of spread of liquids used in the construction of roads is maintained at a constant level by ensuring that the height of the jet of liquid above the surface does not vary during the movement of the spreader. The jet is mounted on a frame that is supported on the ground by a wheel or skid. The height of the jet can be preset by means of a screw or hydraulic jack. The frame comprises a folding parallelogram which maintains the angle of the jet.
Patent FR-2190619-A1 (FR)
Title: Decorated flat synthetic material - by imagewise transfer of dyes from coloured layer by controlled laser heating
IPC: B23K26/00
Filed: 1973-06-25
Abstract: Coloured images are produced on a flat synthetic material such as a synthetic fabric, plastic film or plastic-coated paper, by (a) placing the flat synthetic material in contact with a coloured original which has a coloured layer melting 220 degrees C, and contains dyes evapg. or subliming at 160-220 degrees C, (b) heating the dyes in the coloured layer to the evapn. or sublimation temp by means of a laser beam which is controlled by detecting the separate coloured parts of the coloured layer, and (c) transferring the evapd or sublimated dyes into the flat synthetic material. Rapid dry, accurate transfer of coloured images onto flat synthetic material is obtd, with no transfer of binder, thus ensuring tack-free transferred layers.
Patent FR-2256875-A1 (FR)
Title: Container with valve on pouring spout - has tear-off skirt round valve and spout broken when valve is first turned
IPC: B65D47/26
Filed: 1974-01-04
Abstract: The container (1) has a round, raised collar (2) on which is mounted the spout (3). The valve (5) is pressed down into the collar and is retained by a rim on its lower edge engaging behind a rim on the inside of the collar. Rotation of the valve, which is hollow, aligns a hole in its side with the spout (3). For security, a skirt (9) is attached by its upper edge to the valve. First rotation of the valve tears the skirt off against the spout. A wider part (11) affords a good grip for the fingers so that the skirt can be completely removed.
Patent FR-2271323-A1 (FR)
Title: Continuous production of crimped non woven fabrics - by corrugating the wet mat prior to stoving heat shrink fibres therein
IPC: D21G9/00
Filed: 1974-01-30
Abstract: Contraction of a non-woven mat wet spun from a mixt. of paper and synthetic fibres of which at least one constituent is potentially self-crimping under suitable chemical thermal or mechanical treatments, where the damp mat is mechanically corrugated prior to being subjected to the selective fibre crimping process. The process is used esp. for mfr. of fabrics contg. 5-45% of self crimping fibres and to be subsequently consolidated by an ancillary binder matl. and for composite fabrics incorporating polyester fibres self crimping at 50-150, pref. 85-115 degrees C. The mechanical pretreatment of the mat while still wet generates sufficient fibre cohesion for the wet spun mat to sustain the stresses induced by the subsequent local fibre crimping treatment without pulling the mat apart, improving the physical properties of the end product.
Patent FR-2259627-A1 (FR)
Title: Safety belt for high working - has ventral and under-buttock straps crossed back braces and ring
IPC: A62B35/00
Filed: 1974-02-06
Abstract: The belt comprises a ventral strap, one under the buttocks, cross-braces at the back, and a sliding dormal ring. This ring can enclose the braces where they cross, being guided by a sliding plate. The latter can have two guide slots through which the braces pass, the ring being situated between them. Straps and braces can be joined by rings at the ends. The buttock strap can have a positioning belt fitting round each thigh and attached to it at the centre near the ring joining straps and braces together. Means for adjusting tension of braces and straps can be included.
Patent FR-2221767-A1 (FR)
Title: Computer interrupt cct with automatic priority modification - allows low priority input after predetermined number of top priority inputs
IPC: G06F13/18
Filed: 1974-03-11
Abstract: Low priority inputs are serviced in the normal sequence until delayed by repeated service requests on the top priority port. When a low priority signal is received and not immediately acted upon a counter associated with its input starts to record the number of top priority interrupts. If this number exceeds a pre-determined figure the sequence is changed and the waiting signal is given top priority. The system is designed to ensure that top priority users obtain preferential treatment but without completely neglecting low priority users when several top priority users are at work.
Patent FR-2266562-A1 (FR)
Title: Metal parts forming method - involves cooling pressurized molten metal in a forging die
IPC: B22D18/02
Filed: 1974-04-08
Abstract: Method comprises exerting a forging pressure on molten metal in a forging cavity and reducing the temp. of the cavity by means of cooling fluid passageways so that the molten metal is being cooled whilst the pressure is being exerted. The forging pressure is accomplished by pressure of the cooling fluid on the die parts of the forging cavity. the metal is held in the forging cavity, which may be pre-heated to a temp. slightly below the temp. of the molten metal, until solidified.
Patent FR-2269692-A1 (FR)
Title: Wall mounting indoor clothes dryer - blows hot air outwards through grid over horiz. radiating arms carrying clothes
IPC: F26B9/00
Filed: 1974-05-03
Abstract: An indoor clothes dryer designed for wall mounting has a vertical casing with a top cover (16) underneath which is mounted a fan (14), with a vertical strip heater (18) below. Around the heater is a vertical set of curved strips with holes through them, each holding a radiating set of rods (24) on which the clothes are hung. Between these strips, the heater is totally enclosed by a protective grid (12) so that air blown downwards over the heater flows through the grid to pass over the arms carrying the clothes. Switches are located at the bottom of the casing.
Patent FR-2271052-A1 (FR)
Title: Erasable writing pad with paraffinised sheets - automatically erases writing as sheet is withdrawn from transparent envelope
IPC: B43L1/12
Filed: 1974-05-16
Abstract: An erasable writing pad using a paraffinised sheet, houses the sheets inside a flexible envelope of transparent plastics material, with two folding flaps (4, 5) at the open end, inside which is housed the rectangular frame (6) around the writing sheet, attached by welding or adhesive. The housing enables the paraffinised sheets to be removed, while at the same time, the suction action automatically removes the writing. In an alternative design, the writing sheet is attached to a bar housed inside the bottom of a transparent cover, and the ends of the cover are folded over inwards to retain the other end of the writing sheet and the paraffinised sheet which is in turn retained at the bottom under the bar.
Patent FR-2277100-A1 (FR)
Title: Adsorptive cationic cellulose ether prepn - by reacting cellulose with cationic etheri-fying agent in aq alkaline soln
IPC: C08B11/145
Filed: 1974-07-01
Abstract: A method for preparing adsorptive cationic cellulose comprises reacting cellulose with a cationic etherifying agent in an alkaline aq. soln. contg. an amt. of a salt of a strong acid and a strong base sufficient to increase thereaction efficiency. The cationic etherifying agent is of formula (I): (where R1 and R2 are H, (hydroxy) alkyl, alkenyl or aryl having =7C, R3 is (hydroxy) alkyl or alkenyl hving =6C, R4 is =7C alk(en)yl opt. substd. by Cl, Br, I or epoxy gp. R2 and R3 may form a =lC heterocyclic ring with the N atom, X is an uanion, R1 and X may be absent, in which case the agent is an uncharged free amine). The cationic cellulose ehter has a high adsorptive capacity for certain proteinaceous materials such as enzymes.
Patent FR-2284084-A1 (FR)
Title: Split branch connecting sleeve for pipe - has locking device engaging coupling lips on edges of sleeve halves
IPC: F16L37/00
Filed: 1974-09-09
Abstract: One sleeve half (3) holds a coupling sleeve (12) and a seal (17) on a pipe (1) and cooperates with a second sleeve half (4) to surround the pipe branch point. Each edge of the sleeve half (3) has a coupling lip (5). The lip on one edge fits into a coupling recess (6) at the edge of the second sleeve half (4), and the lip on the second edge receives a shoulder (14) on the second edge of the second sleeve half. The sleeve is locked in its assembled condition by a locking device (8) which fits over the lip (5) and the shoulder (14) and an inclined surface (7) on the shoulder (14).
Patent FR-2283866-A1 (FR)
Title: Effluent purificn from chemical treatment of metal surfaces - using hydrosulphite ions to eliminate hexavalent chromium ions
Inventor: ASKIENAZY ALEXANDRE
IPC: C02F9/00
Filed: 1974-09-09
Abstract: The purificn. of waste effluent from a multi-stage chemical treatment for surfaces of metal componens comprises degreasing, chemical conversion and passivation with interstage and final rinsing. Effluents from the treatment stages are all mixed together with rinsing effluents and the mixt. is dosed with a quantity of hydrosulphite ions to reduce the chromium ions in the mixt, the pH being adjusted to 5-8. 5, after which the mixt. is submitted to flocculation and decantation treatments. When the chemical conversion stage produces a crystalline phosphatation an alkalien hydrosulphite should be used, p ref. Na2S2O4, and when the phosphatation is amorphous, zinc hydrosulphite is used instead. Used for purifying waste effluent from a multi stage, chemical treatment plant used to modify metal surfaces, partic. iron, steel, zinc and aluminium in order to improve corrosion resistance and paint adhesion. Pretreatment of the effluent from the passivation stage before mixing with the other effluents is avoided.
Patent FR-2258015-A1 (FR)
Title: Antenna and heating element for motor vehicles - has chokes and capacitors separating HF signal and DC heating current
IPC: H01Q1/12
Filed: 1974-10-01
Abstract: The combined antenna and heating element, for motor vehicles, has the parallel heating wires (2) connected at their ends to terminal wires (3). One terminal wire is connected via an h.f. blocking choke (65) to earth, and via a d.c. blocking capacitor (10) to the cable (11) that leads to the radio receiver (9). The other terminal wire is connected over an h.f. blocking choke (7) to a switch (8) that connects it to the battery's unearthed terminal. An h.f. earthing capacitor (18) earths the junction between choke and switch. The chokes prevent h.f. signals from reaching the battery, and the first capacitor (10) prevents the d.c. heating current from reaching the receiver.
Patent FR-2292109-A1 (FR)
Title: Cooling system for car engine - has venturi in water circulation preventing re-absorption of vapour in expansion tank
IPC: F01P11/02
Filed: 1974-11-22
Abstract: The engine (1) has a water pump (2) which circulates water to the radiator (3) through the circuit (R). A secondary circuit (S) supplies water from the engine block to heat the carburettor (13). This water returns to the pump through a venturi (30). A circuit (T) to supply water to the heater (19) may be connected to the secondary circuit (S). The venturi (30) is connected to the expansion tank (24) by the pipe (29) and to the radiator by the pipes (26). The low pressure created in the neck (28) of the venturi (30) maintains a reduced pressure in the air space (24a) of the expansion tank (24) and prevents re-absorption of vapour by the cooling water.
Patent FR-2300078-A1 (FR)
Title: Sulphonation of gas oils to petroleum sulphonates - using liq sulphur trioxide in ethylene dichloride
Inventor: PLUMMER MARK ALAN
IPC: C09K23/00
Filed: 1975-02-05
Abstract: Petroleum sulphonates with monovalent cations are made by reation of (1) a gas oil with average mol. wt. 250-700 and molar ratio A/AP of aliphatic to aromatic protons of 5-50, contg. at least 20 wt. % aromatic fraction with A/AP ratio 3-20, with (2) a soln. of 0.1-0.3 pts. liq. SO3 in 1 pt. ethylene dichloride (EDC), in amt. of 0.05-3 pts. SO3 per pt. gas oil. Reaction is in a tubular reactor equipped with pump and heat exchanger, with the mixt. under turbulent flow conditions and the flow velocity of the stream of gas oil plus recycled material to that of (2) of at least 4:1. Used in extn. of oil from underground deposits by water-flooding, forming micellar emulsions. The sulphonates have a hydrophilic-lipophilic balance (HLB) which is esp. suitable for producing emulsions of micellar type.
Patent FR-2309743-A1 (FR)
Title: Variable flow hot water pump - has lever operated flow controller with inlet and outlet ports symmetrical with pump axis
Inventor: LELEU CHRISTIAN
IPC: F04D15/00
Filed: 1975-04-30
Abstract: The hot water pump for a central heating system can be controlled to vary its pressure and discharge, without overheating. The pump casing has a bottom inlet (11) and a top outlet (12), the impeller (14) being mounted between them, driven by a motor (15) with a horizontal axis. The flow controller (18) is positioned adjacent to the impeller. This is rotated by a control lever (22) on the outside with its axis in line with the motor axis. The inlet (11) is offset so that the water flow travels sideways through the flow controller, entering through a cavity (24) at the bottom, and leaving the controller through a cavity (25) at the top. Thus the flow through them is controlled simultaneously as the lever (22) is rotated.
Patent FR-2311141-A1 (FR)
Title: Road surface monitoring system without road closure - uses vehicle mounted light source and camera to photograph ruts at intervals
Inventor: OHAMA MASANORI
IPC: G01C7/04
Filed: 1975-05-13
Abstract: A method of photographing the ruts made by traffic in road surfaces, enables a close watch to be kept on the state of the surface without the need for stopping the traffic flow. Light projected onto the road surface shows a linear delimitation between the bright and dark areas. This is registered on a photograph taken from a position which forms a predetermined angle in relation to the light source. Both photographic appratus (2) and light source (1) are mounted on a vehicle (3), which also has a mechanism for detecting when the vehicle has travelled over a specified distance. The light source and the photographic apparatus are synchronised with the detection mechanism . The dimensions of the rut are registered as a line with a proportional curve.
Patent FR-2297591-A1 (FR)
Title: Two part curtain rail bracket - has screw holding rail clamping part under part fixed to wall or ceiling
IPC: A47H1/12
Filed: 1975-05-16
Abstract: A curtain rail bracket is in two parts and made from sheet metal, diecasting or plastic. The main part (1) comprises an inverted L shaped portion, with holes (6) for ceiling fixing or wall fixing. The rail is inserted under the part (1) and is locked in place by a second part (2) held on the first part by a screw (3). The second part has a slot for easy insertion under the screw head. Double rail versions are also used.