baber/WOPTO huggingface dataset:
Patent FR-2012259-A1 (FR)
Title: Prepn of waxy ethylene copolymers
IPC: C08F10/00
Filed: 1969-07-03
Abstract: Polymerising, using free radical catalysts, (a) 100 pts. ethylene (b) 0.001 to 30 pts. of C4 to C8 tert-alkyl esters of C3 to C12 alkyl carboxylic acids, (c) 0.5 to 50 pts. polymn. regulators and (d) up to 80 pts. other monomers at 100 to 4,000 atm. pressure and 110 degrees to 350 degrees C. The esters are such that they decompose by pyrolysis at the temp. of polymn. ti give C3 to C12 carboxylic acid and C4 to C8 alkenes. The regulators can be 3 to 35 pts. H2 and/or 0.5 to 6 pts. propionaldehyde. Tertbutyl or tert-amyl acrylates and methacrylates are particularly claimed. The waxy ethylene copolymers are prepd. without corrosion of equipment, over a short time and without thermal degradation to yield colourless copolymers.
Patent FR-2027407-A1 (FR)
Title: Infra-red permeable glass
IPC: C03C3/32
Filed: 1969-10-20
Abstract: Air reconnaissance infra-red permeable non-oxidic chalcogenide glass of low de-glazing tendency has the composition Ge30Se50As20.
Patent FR-2070043-A1 (FR)
IPC: G10L25/00
Filed: 1969-12-30
Abstract: 1326927 Active filters; transistor pulse circuits INTERNATIONAL BUSINESS MACHINES CORP 21 Dec 1970 [30 Dec 1969] 60505/70 Headings H3T and H3U A nonlinear filter comprises a nonlinear feedback element which clips the filtered signal. In one embodiment, a filter comprising amplifier Aop, resistors R1, R2, R3, R and capacitors C1, C2, C3 includes a pair of diodes D1, D2 whichconsitututes the non-linear element, and which produce, between the bases of T1, T2, a squarewave signal at a frequency selected by the filter. The output from transistor T1 is fed to an output stage T4 via a gate D3, D4 which is controlled by a signal on an INHIBITION line.
Patent FR-2080911-A1 (FR)
IPC: H04L9/18
Filed: 1971-01-15
Abstract: The present invention is related to a method and apparatus to avoid overprinting at the end of teleprinter lines on page-printing teleprinters when a coding signal is used for enciphering of teleprinter messages. This is accomplished by enciphering the first of three procedure characters (two CARRIAGE RETURN and one LINE FEED) in the normal manner while the next two characters are not enciphered. At the receiving end, the first CARRIAGE RETURN is retrieved as normal, and the next two characters are passed in plain text without deciphering.
Patent FR-2081496-A1 (FR)
Title: Antiinflammatory and analgesic benzo-thieno-pyrimidine - deriv
IPC: C07D495/04
Filed: 1971-01-19
Abstract: Title cpd. is 2-ethoxy-4-oxo-3,4,5,6,7,8-hexahydro-(1)-benzothieno-(2,3-d)-pyri- amidine of formula (I): Its acid addn. and quat. ammonium salts have analgesic and antiinflammatory activity. They may be prepd. by reacting 2-amino-4,5,6,7-tetrahydro-benzo (b)-thiophene-3-carboxamide with ethyl chloroformate (reaction with excess ethyl chloroformate gives (I) directly, reaction with ethyl chloroformate in the presence of an alkali carbonate and an inert organic solvent gives an intermediate N-ethoxycarbonyl cpd., which when heated with excess ethyl chloroformate gives (I)).
Patent FR-2128111-A1 (FR)
Title: Rotunda building - for direct thermal cycle nuclear power station
IPC: G21C1/00
Filed: 1971-03-05
Abstract: The circular or polygonal room contg. the turbines and heat exchangers is rotunda shaped with a number of radial compartments for the major assemblies each compartment having a large dia. hatch, with sealing cover incorporating purging systems. Major components can be dismantled for repair etc. through the hatches without disturbance to other components. The machinery 'hall' whose dia. is less than 1.5 times that of the main reactor pressure vessel is either above or below the reactor proper and its concrete walls are integral with those of the pressure vessel.
Patent FR-2202660-A1 (FR)
Title: Garment waistband comprising elastic tape in fabric sheath - is secured to garment by elasticated stitching and the garment is folded to render the stitching invisible
IPC: A41F9/02
Filed: 1972-10-12
Abstract: A garment (e.g. trousers, skirt) waistband, comprising an elastic tape located loosely in a fabric sheath, is positioned on a face of the garment and adjacent edges of the garment and waistband stitched together with elasticated (pref. zig-zag) stitching. The waistband is then folder away from the face of the garment so that if forms an extension of the edge of the garment and so that the edge of the garment is folder over and hides the line of elasticated stitching. Pref. the sheath is of the same fabric as the garment (e.g. jersey knit). The line of stitching is completely invisible thereby providing a better quality garment.
Patent FR-2170058-A1 (FR)
Title: Purifying industrial effluent - by biological oxidn in aeration/oxygenation tank
IPC: C02F3/12
Filed: 1973-01-31
Abstract: Industrial and other waste effluents are purified by accelerated biological oxidn. in a rectangular tank in which the effluent is circulated around a horizontal, perforated partition, while a stream of oxygen and/or air bubbles are released near the base of the tank. The bubbles pass through liq. currents flowing in opposite directions on opposite sides of the partition, each rising bubble being double-deflected to take an extended contacting path to the surface; the oxidising gas is thus used very efficiently and the treatment capacity to size ratio of the plant is high.
Patent FR-2223911-A1 (FR)
Title: Periodic electronic current switch - is for winking systems or electromagnetic modulator sound warning systems
IPC: H02M5/257
Filed: 1973-03-26
Abstract: Periodic electronic current switch comprises a negative characteristic electronic interrupter, a control electrode as well as a periodic trigger working with the control electrode. The trigger comprises a load resistance and capacitor in parallel with the interrupter as well as means of discharging the capacitor. The discharge cct. comprises a conducting element having a negative voltage-current characteristic from a certain voltage step level reached for a period superior to that of the current, and a discharge resistance connected to the control electrode. The negative current characteristic device may be a diac or a neon, and the interrupter a triac or a thyristor.
Patent FR-2224107-A1 (FR)
Title: Warning device against milk boiling over - disc with U-shaped stem has loose sleeve which rattles when milk boils
IPC: A47J27/56
Filed: 1973-04-09
Abstract: A kitchen utensil designed to prevent milk from boiling over by emitting a warning noise to alert the cook. A disc with an inverted U-shaped stem fixed to it is placed in the bottom of the cooking vessel. A sleeve fits loosely over the stem. As boiling point approaches, the agitation set up causes the sleeve to move on the stem and a rattling noise is produced. The stem also acts as a handle when removing the utensil, before emptying the saucepan.
Patent FR-2233331-A1 (FR)
Title: Ferro-bis-cyclopentadienyl phosphine derivs. - useful as monomers and petrol additives, prepd. by Friedel-Crafts reaction using acid halide
IPC: C07F9/53
Filed: 1973-06-14
Abstract: Novel ferrocenyl phosphines of formula (I) and (II) (where R and R1 are alkyl or aryl gps.; Z is -COOR1, -COR1, -C(OH)R1R11 or another monovalent functional gp., R1 and R11 are H, alkyl or aryl gps., n is 1 or 2; Y is O or S and X is Cl, Br or I) are used as monomers for polycondensation reactions and additives for petrol and hydrocarbons. (I) are prepd. byu a Friedel Crafts reaction using a ferrocenyl phosphine (deriv.) and an acid halide.
Patent FR-2233539-A1 (FR)
Title: Turncock to regulate fluid flow - closing gate consists of two connected segments of sphere
IPC: F16K5/20
Filed: 1973-06-15
Abstract: The closing gate rotates eccentrically and operates in conjunction with a circular internal seating. The two spherical segments are parallel to the plane of the seating in the closed position. The operating mechanism consists of a rod that is fixed through the closing gate at right angles to it. The further the axis of rotation is from the seating the greater the distance of the plane of the sphere in the closed position. The aperture for the fluid in the open position is circular. The seating is made from hard material with a flexible elastic or plastic surface. Alternative designs show the operating rod fitted into recesses in the sphere, a hemispherical shaped gate, and trapeze shaped grooves cut in the side of the valve housing.
Patent FR-2237597-A1 (FR)
Title: Filing cabinet with circulating drawers - wedge shaped pieces with rollers at corners of drawers lock drawers in supports
IPC: A47B88/04
Filed: 1973-07-20
Abstract: Each filing cabinet drawer is carried by a support attached to endless chains or bands so that the supports may be circulated to bring a chosen drawer to an access opening at the front of the cabinet. Each lower corner of each drawer has a wedge shaped piece of synthetic material so placed that their inclined surfaces face inwardly from the front and rear and form catches engaging in and lodging in corresponding depression in the supports. Each of the wedge pieces has a synthetic material roller to improve sliding action as the drawers are moved to and from the supports onto a fixed surface.
Patent FR-2249747-A1 (FR)
Title: Apparatus for driving-in tags or drawing pins - consists of pin store, guide and pneumatic driving ram
IPC: B25C1/04
Filed: 1973-10-31
Abstract: Several independent units are built up to form the driving in tool. The main units are a housing with cylindrical chamber, a hand-grip with air operating button, a frame with guide through which the pins fall by gravity, and a storage drum for the pins which is mounted at one end of the frame. An orientating arrangement is mounted at the other end of the frame, and a reciprocating fork shaped guide feeds the pins to the driving ram. An operating mechanism rotates the pin storage drum in steps and is also operated by an air cylinder. The housing with a cylindrical chamber contains a driving ram which can move to-and-fro. Channels and distributors for the compressed air are located in the wall of the cylindrical chamber.
Patent FR-2271598-A1 (FR)
Title: Liquid crystal device - by inserting crystal matl. between polymer layers deposited on transparent electrically conducting substrates
IPC: C08G77/06
Filed: 1973-12-23
Abstract: Liq. crystal device with planar anchoring is produced by (a) depositing first layers of transparent, electrically conducting matl. e.g. static oxide, or two transparent substrates with two large faces e.g. glass strips, (b) treating at least one, pref. both of the substrates in a polymn. appts. with a vapourised org. cpd. circulating parallel to the large faces of the substrate, to form polymer layers on the first layers, and (c) inserting a crystalline nematic or smectic matl. between the two substrates, so that this matl. contacts the second layers.
Patent FR-2217372-A1 (FR)
Title: Low mol wt polyglycidyl ethers prepn. - by catalytic etherification of polyvalent phenols with epihalohydrins
IPC: C08G59/06
Filed: 1974-02-14
Abstract: The polyvalent phenol is >=60% catalytically etherified (calc. on the no. of phenolic OH gps.) with 3-8 equiv. epihalohydrin per phenolic OH gp, and the mixture obtained is treated with org. alkali contg. 0.5-0.98 equiv. alkali cpd. per phenolic OH gp and of concn. which is not > than the saturation concn. of the salt produced by this alkali treatment at the temp. of the reaction mixture. In this process (a) the alkali treatment is effected at >=50 degrees C, the aqs. phase being separated, the epihalohydrin being distilled from the organic phase and the residue being post. treated with the aq. alkali, or (b) all or some of the epihalohydrin is distilled from the etherification mixture and the residue is treated with the aq alkali at >=50 degrees C, the aq. phase being separated and residual epihalohydrin from both the organic phase and from the prior alkali treatment distilled, and the residue being treated as in (a). Loss of epihalodrin is minimal, quality of opoxy resin produced from the polyglycidyl ethers is not reduced and no blockage of the tubes and pipes in the plant by pptd. salt, nor overheating occurs.
Patent FR-2263344-A1 (FR)
Title: Connection for concrete support elements - has connection bolt through anchoring plates of two elements and support plate
IPC: E04B1/21
Filed: 1974-03-06
Abstract: connection for support elements of stressed concrete which can be used for all types of joints has the connection surface (3b) inclined at 45 degrees to the axis of the finished part and an anchoring plate formed from metal vertical to the surface and symmetrical to the axis. A connection bolt runs through the extension of the plates of two finished parts and the plates have grooves (10) on the surfaces facing the finished parts. Each connecton surface has support plate (3) at its inner end and a cavity (4) in the part nearest the anchoring plates which is filled with concrete.
Patent FR-2272617-A1 (FR)
Title: Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brain
IPC: A42B3/06
Filed: 1974-05-31
Abstract: Protective helmet, partic. for sports, comprises a double wall (1,2) into which is injected a flexible elastic material (3), and a lining (4) consisting of a partially compartmental air chamber filled with fluid under pressure or flexible foam and enclosed with a sheath of leather etc. MATERIALS The double wall is pref. made of moulded plastics material, e.g. polyester resin, epoxy resin, etc., and has holes for injecting the filling material and cutaways for the visor, earpieces, etc. The filling material is pref. expanded polyurethane.
Patent FR-2233242-A1 (FR)
Title: Soda siphon protective case - has treble coating of polyurethane to provide internal pressure strengthening and external protection
IPC: B65D23/08
Filed: 1974-06-12
Abstract: The glass bottle is insulated on the outside with a protective cover of polyurethane in three layers. Two hard plastic non-porous layers cover the third in between layer of soft very porous plastic. This gives the glass bottle support against inside pressures of the gas as well as protecting it from outside damaging influences. The outer coating is environment does not harm the protective material, so that the life time of the bottle increases. The outer coating is pref. moulded to a convenient and decorative serrated shape with a tapering base.
Patent FR-2248164-A1 (FR)
Title: Passenger vehicle heating and ventilating system - partly blocks air flow to rear channels when the system acts as ventilating and air conditioning system
IPC: B60H1/00
Filed: 1974-10-17
Abstract: The system has channels open around the windscreen, the area around the feet and on the face of the dashboard. The air flow to the channel openings at the rear of the vehicle is blocked to such an extent that cool fresh air is blown on the passengers from the front opening of the channel. The rear channels are throttled by about 80 deg. The air supply system has an air supply channel connected to a number of blowers and to an air conditioning plat. The air is blown through a heat exchanger and divided into separate streams and through the channels and the air flow can be throttled in each air distributor chamber by the air flow control device. A servomotor is used to actuate th rotating flap valves.
Patent FR-2291721-A1 (FR)
Title: Furniture assembled from horizontal and vertical panels - joints made by pegs fitting in holes, no other fasteners
IPC: A47B47/04
Filed: 1974-11-19
Abstract: The horizontal panels (1), of different lengths, have a row of holes (5) spaced equally along the length of each side, each row being a distance in from the edge. The vertical panels are of different heights and fitted with two pegs (6) on upper and lower edges. Vertical panels fit transversely (2) across a horizontal panel or parallel (3) with a row of holes. The pegs in the former correspond to the distance between rows, those in the latter to a multiple of the hole spacing. Doors have one peg per face and inverted U shaped wires in the holes hold books or records.
Patent FR-2292631-A1 (FR)
Title: Stackable packaging tray with central partition - has wall projections fitting in sockets of parallel or perpendicular tray above
IPC: B65D21/02
Filed: 1974-11-26
Abstract: The stackable packing tray, particularly suitable for production in expanded polystyrene, is divided into two square compartments and has upward projections (6, 7, 8) of the walls at the corners and at the ends of the transverse partition. The projections locate in complementary sockets (12, 13, 15, 14, 17, 16) in the base of the tray above. The compartments are square and the projections and sockets so designed that the trays may be staggered like bricks in a wall or turned at right angles to each other when in stacked. A second form of tray allows the open faces to be put together to form closed containers. Both forms of container enable stable stacking.
Patent FR-2255711-A1 (FR)
IPC: H03H9/19
Filed: 1974-12-23
Abstract: In a piezoelectric crystal resonator with AT cut, of which two contour areas (5a, 5b) exhibit a plurality of base lines in parallel with a z axis located at right angles to the electrical x axis and the two other ones (5c, 5d) are arranged at right angles to this z axis, their distance (z'0) from one another is 0.1 to 6-times, preferably 0.3 to 3-times, the maximum thickness (y0) between the two first contour areas (5a, 5b), measured along a thickness axis (y) at right angles to the x axis.
Patent FR-2297407-A1 (FR)
Title: Domestic scales with front indicator disc - has concentric arrangement of weighing pan, spindle and spring for accuracy
IPC: G01G3/02
Filed: 1975-01-07
Abstract: A set of household scales has an inverted dish shaped plate (21) inside its base, with an internally threaded boss (21) for a sleeve (19) which extends upwards inside the casing to hold a concentric rod (24) carrying an inverted cup member (7) which carries the upper platform (5) on which articles to be weighed are placed. A spring (9) is retained on the rod (24) by a spherical seating block (14) at the bottom, and a spherical seating (10) which fastens on the top of the sleeve (19). This concentric arrangement ensures accuracy even when objects are placed on top off-centre. A rack and pinion system (37, 38) rotates an indicator disc (29) behind a window (36) mounted on one side.
Patent FR-2256777-A1 (FR)
Title: Explosive pressure chamber to convert materials properties - particul-arly graphite into a conglomeration of shiny crystals of great hardness
IPC: F42B1/02
Filed: 1975-01-07
Abstract: In order to change its properties a mass of material is converted by explosive pressure between a coaxial pair of hollow, explosive charges which are fired simultaneously within an explosion chamber inside a massively strong block. Residual gases from the conversion should be evacuated at a controlled rate, e.g. by way of vent passages initially blocked with fusible plugs of differing characteristics which give way progressively as the explosion heat and pressure rise.
Patent FR-2297652-A1 (FR)
Title: Board game for two players - has dice controlling movements of counters over one hundred and twenty eight squares between two concentric squares on board
IPC: A63F3/02
Filed: 1975-01-14
Abstract: A board game has a square divided into twelve rows of twelve squares, the centre of the board being blank and covering 4 X 4 squares. Two sets of twelve counters are used and numbered from 1 to 6. Each counter is double faced, one side having a circumferential band. Players place their counters along an outer row opposite their opponent's counters. Counters can move one or two squares, in 8 possible directions. A single die is thrown to determine which counters move. Accounter is taken by an opponent landing on the same space. A counter reaching the opponent's camp is turned over to increase in value.
Patent FR-2298637-A1 (FR)
Title: Combined adhesive and lubricating preparation - for simultaneous oiling and gumming of polymer yarns
Inventor: BOURRAIN PAUL
IPC: C09J5/02
Filed: 1975-01-27
Abstract: A lubricating and treatment compsn. facilitating the increase of the adhesive capacity, partic. to rubber, of polyester based yarns, from high modulus or thermostable polymers, contains 1,3,5-tris 3-(2,3-epoxy-proposy)-propionyl -hexahydro-s-triazine (I) as the adhesive, pref. constituting 1-30 wt. % of the compsn. Provides a completely water-soluble compsn. permitting both lubrication and gumming of the yarn to be carried out in a single operation.
Patent FR-2300610-A1 (FR)
Title: Continuously operating powder mixer - with means of regulating flows and mixing by vibration, incurring low maintenance costs
IPC: B01F5/24
Filed: 1975-02-14
Abstract: An appts. for mixing continuously powders in predetermined proportions incorporates a central cylinder of small dia., around which is a cylindrical chamber with a conical base and a cover, and a vibrator fixed to the conical base, on its outer surface. The cylindrical chamber has two deflectors in it. One slopes towards the bottom of the central cylinder. The other is in the form of a V pointing upwards and is in the conical base, below the central cylinder and the other deflector. The cover is fitted with an inlet hopper for one powder, the other being fed into the central cylinder. There is an adjustable flow regulator, the lower part of which slopes towards the first deflector. The gap between the bottom of the regulator and the deflector can be altered by raising or lowering the regulator by bolts bearing on a flange on the cover. The cover may admit other powders into the mixer, and several products of different particles sizes and densities can be mixed. The appts. is simpler and costs less to maintain than existing appts. which generally incorporates rotating mixers, e.g. screw mixers, and there is no sep. such as can occur in existing plant.
Patent FR-2304671-A1 (FR)
Title: Feedstuffs from fish waste - obtd. by enzymic hydrolysis using pepsin
IPC: A23J3/34
Filed: 1975-03-20
Abstract: Animal and human feedstuffs are obtd. by enzymic hydrolysis of fish waste. Three times the volume of neutral, deionised water is added to the waste (2 1/2 times if the waste is finely divided). The mixt. is milled and the pH adjusted to 2 with HCl. Pepsin is diluted with deionised water and added to the bath. The best activity is obtd. at 40-42 degrees. The temp. is arranged to give good sepn. of oil without it oxidising. The reaction is controlled by for the formation of a homogeneous, liquid product and by analysis of amino acids (Sorensen method). When all the oils in suspension have been recovered the temp. is increased to 80 degrees to destroy remaining enzymes and any bacteria present. The product is filtered and can be concd. in vacuo or spray-dried. It can be incorporated in animal feeds or used in soups, creams, etc.
Patent FR-2270040-A1 (FR)
Title: Multi-spindle machine tool - has horiz. and vert. spindles and tool carriages
IPC: B23B3/30
Filed: 1975-04-03
Abstract: The machine tool has at least two spindles, one horizontal and the other vertical. As an example, a machine tool can have a workpiece (4) mounted vertically between centres to be machined by a number of tools on carriages (7, 8), and a second horizontal working axis of rotation using a chuck (6) to grip the workpiece. The spindles are driven by separate motors, permitting independent use. The horizontal spindle has an upper carriage (10) and a rotary slide (11) for the tools. The carriages are typically moved by hydraulic rams or screw jacks.