baber/WOPTO huggingface dataset:
Patent FR-2029337-A1 (FR)
Title: Stabilised vinyl chloride plastics contain a small amount of a tetrahydropyranyl cpd. (I):- n = 1-3; X = O or S; R = alkyl, aryl, cycloalkyl, alkarylene, alkyle
IPC: C08K5/378
Filed: 1969-01-03
Abstract: Stabilised vinyl chloride plastics contain a small amount of a tetrahydropyranyl cpd. (I):- n = 1-3; X = O or S; R = alkyl, aryl, cycloalkyl, alkarylene, alkylenediaryl, aralkylene, haloaryl, nitroaryl, alkoxyaryl, alkylcarbonyl, arylcarbonyl, aralkylenecarbonyl, hydroxyaryl-alkylene, dihydroxyaryl, or alkylenecarbonyl; and R1-R9= H or lower alkyl. (I) are effective stabilisers for preventing discoloration of vinyl chloride plastics under the action of heat and light. Further stabilisation is achieved when (I) are used with known stabilisers, such as Ba or Cd soaps, or epoxidised oils.
Patent FR-2006860-A1 (FR)
Title: Ultra-high molecular weight polycondensates produced by
IPC: C08G63/80
Filed: 1969-04-24
Abstract: A finely divided prepolymer is introduced into a column of a gas chromatograph, heated in the reaction vessel to a temperature just below the melting point of the prepolymer and a preheated gas conducted over and through the heated prepolymer particles. The prepolymer may be the prepolymer of a polyester e.g. polyethylene terephthalate, or of a polyamide e.g. nylon-6,6. End products having a mol. wt. of at least 50,000 can be obtained.
Patent FR-2027327-A1 (FR)
Title: Fluoromethylalkanols and dehydration - products as monomers for products of water
IPC: C07C33/40
Filed: 1969-12-24
Abstract: The cpds. are of formula: R+CH2CH=CH-C(CF2X)(CF2X')OH or CH2=CH-CH=C(CF2X)(CF2X') (where R is H opt. substd. alkyl, or aryl, X and X' are Cl or F; and the tetrahydrofuran deriv. from dehydration losing an H on C+ (where R not equal sign H). The polymerisable dehydration products are used for imparting water/grease resistance to paper or fibres.
Patent FR-2112175-A1 (FR)
Title: Introducing glass gob into roughing mould - while avoiding local cooling of the glass
IPC: C03B7/14
Filed: 1971-07-15
Abstract: Method and appts. of introduction of a gob of glass into a roughing mould which is normally moving with uniform velocity in which the mould is first accelerated, then slowed down and stopped at the point at which the gob enters the mould, then accelerated and returned to the normal speed of movement. The mould is moved in such a way that when it has returned to its normal speed, it has also reached the posn. it could have reached by continuous constant velocity movement. The appts. is used in a multiple rough moulding mechanism. The method avoids local cooling of one side of the gob due to first contacting the mould at a specific point producing a repeated fault.
Patent FR-2212207-A1 (FR)
Title: Welding appts with two orifices - with suction device for bonding wire to miniature circuits
IPC: B23K20/00
Filed: 1972-12-29
Abstract: Welding appts. e.g. for bonding wire to miniature circuit comprises a body with a first and a second orifice, the first orifice is connected to a suction device and the second orifice is shaped so that when the wire to be bonded is sucked against the welding tool it is pressed against both orifices. The appts. may be used with automatic or manual, thermo compression or ultrasonic welding machines.
Patent FR-2167565-A1 (FR)
Title: Thermistor prodn - by baking mixt of vanadium glass powder and metal
IPC: C03C3/072
Filed: 1973-01-02
Abstract: Powdered oxide mixt. with a high specific electrical resistance, which is suitable for screen printing on ceramic surfaces and subsequently baking for the prodn. of thermistors, is prepd. by baking in the air a finely powdered mixt. of (I) 50-90 wt.% of a vanadium glass contg. 5-55% V, calculated as metal, and (II) 1-20 wt.% of Zr, Al, W, Ge, Ti, V, Te, and/or Se. The mixt. bonds strongly to the ceramic substrate and gives electrical components with a negative temp. coeff. for the specific electrical resistance.
Patent FR-2179968-A1 (FR)
Title: Injection moulding servo brake pistons - provides pistons with smooth facing surfaces
IPC: B22D17/22
Filed: 1973-04-11
Abstract: Process for pistons of the type with a cup-like part with an axial cavity; a sleeve-like part and an intermediate junction piece joning the cup and sleeve-like parts and traversed by a hole which with the cup and sleeve cavities constitutes a single longitudinal cavity which traverses the whole of the piston; and an inclined slot traverses the wall of the cup and the wall of the intermediate part and debouches into the interior cavity of the sleeve. There are radial slots which traverse the wall of the intermediate part to debouch in its interior hole. Molten material is injected into a mould through that side of it which forms the sleeve.
Patent FR-2228564-A1 (FR)
Title: Device for setting and holding by lathe tailstock - has shaft sliding in sleeve and locked using balls
IPC: B23B23/00
Filed: 1973-05-10
Abstract: In the base of this fixation system, where a screw-nut unit is assembled, slides a shaft, inside a passage which crosses the mentioned screw-nut. Means for the fast axial sliding of the shaft as well as means to couple the shaft and the rotating element of the pair screw-nut are available. The latter is achieved by at least one slot in the shaft and a coupling part assembled with radial displacement in the rotating part linked to balls which fit, in a first axial position, into an annular groove of the shaft, while allowing, in another position, the sleeves free movement.
Patent FR-2186300-A1 (FR)
Title: Hot rolling mill - for semifinished and bar material
IPC: B21B1/16
Filed: 1973-05-30
Abstract: Hot rolling of metal semi-finished and circular material using two roll pairs arranged in series with their axes parallel, with reciprocating movement of the material being rolled. The bar material is deformed by both roll pairs in each of the two directions of motion, no rotation, twisting or bending of the bar occurring between the roll pairs. Pref. the peripheral speed of the second roll pair-in the direction of rolling - is increased w.r.t. that of the first roll pair, in accordance with the redn. in cross section of the material being rolled.
Patent FR-2241274-A1 (FR)
Title: Tent frame with awning attached to vehicle - horiz. roof frame has sliding extension piece and wire cross ties
IPC: E04H15/06
Filed: 1973-08-22
Abstract: There is a sliding full width extension (4) of the horizontally rectangular roof frame (14, 14a, 14d, 14c): frame stability being achieved by connecting diagonal cross-ties (26) between the rod frame corners. Pref. the sliding frame incorporates a stop bar normal to its motion, two hanging braced arms (5) with stirrups located on the leading edge and utilized for attachment to the vehicle and a hanger element which attaches to the vehicle roof; this latter comprising two parallel bars. Sectionally demountable elements of the frame can be lodged between the bars during stowage. The frame is utilized with a conventionally guyed tent.
Patent FR-2243763-A1 (FR)
Title: Flame cutting machine with burners on overhead gantry - plus sheet metal loading hoist and fume extractors
IPC: B23Q11/00
Filed: 1973-09-14
Abstract: The machine consists of a mobile overhead gantry carrying several burners, each fed with oxy-acetylene and a neutral, protective gas, and a second gantry is provided for a hoist which lifts metal sheets off a stack and deposits them on trolleys which are power-driven to the area convered by the gantry carrying the burners. The trolleys consist of box-sections carrying a grid supporting vertical pegs on which the metal sheets rest, and a fume extractor is located under each trolley, the inlet to the extractor being controlled by a bracket on the trolley; a template table is used to control the travel of the burners. A redn. in the manual labour required and the fume extractors remove toxic substances which are harmful to workers' health and to the environment.
Patent FR-2246915-A1 (FR)
Title: Anti-theft alarm system for vehicle, flat etc. - has main and auxiliary reed switches and cyclical switch
IPC: G08B13/08
Filed: 1973-10-05
Abstract: The alarm system has an audio alarm (1) e.g. the vehicle horn, operated via a relay (3) in response to closure of any of the alarm contacts (9). The circuit also includes a cyclic switch (10) which is stepped by each pulse received by the switch coil (11) through a number of states, before returning to its original condition, only one of these stages causing the switch contact to open. A magnetic reed switch (22) is also included and is operated by bringing a magnet into proximity to it, with the magnet also used to operate a further reed switch (31) in parallel with the alarm release circuit. Pref. the magnet is incorporated in a door key for the vehicle.
Patent FR-2258640-A1 (FR)
Title: Negative ion flux measuring device - has electronic valve connected through amplifier to digital voltmeter
IPC: G01T1/185
Filed: 1974-01-18
Abstract: The grid of a valve in a measuring circuit is connected through a selector (51) to suitable matching resistors for sources of negative ions (N). The valve cathode is biased at -60 volts while the screen is supplied with +60 volts through a potentiometer (P1) which is used to null the output. The anode is isolated from potentials and is connected through a potentiometer (P2) to an integrated circuit pre-amplifier (CI) whose output is connected to a power amplifier comprising four transistors (T1, 2, 3, 4). The output is converted to a voltage by a resistor (R4) in series with a capacitor (C4) for application to a digital voltmeter (VN).
Patent FR-2288948-A1 (FR)
Title: Off peak electric storage heating system - has cavity wall with heat emission to air passage in cavity
IPC: F24D13/02
Filed: 1974-02-25
Abstract: The room to be heated has an inner wall separated by a cavity from an outer wall. The room side surface of this inner wall is well insulated and highly reflective while the cavity side surface is roughened, black and a good emitter. The inner wall also has recesses containing electric heaters which are supplied at off peak tariffs. Air passages containing dampers link the cavity with the inside and outside to provide any required flow of fresh or recirculated room air which can be heated by the emitting inner surface of the inner wall. Supplementary heaters equipped with fans are installed in the cavity to provide boost at normal tariff in extreme cold spells.
Patent FR-2222188-A1 (FR)
Title: Calendering material under high pressure - through a device applied directly to the gap of the rollers
IPC: B29C43/34
Filed: 1974-03-11
Abstract: Pourable solid material e.g. PVC powder is fed by a hopper to a series of vertical tubes located immediately above the roller gap. These tubes are fitted with vertical rams operated by eccentrics on an overhead shaft so that material is forced down and compressed in a conical space below the end of the tubes. The conical shape prevents upward movement when the rams lift. The pressure forces the material further down to meet the calender rollers which are set to a fine gap and thus produce a homogeneous mix.
Patent FR-2268518-A1 (FR)
Title: Flavonoid extraction from plants - using aq acetone evaporating and extracting a solution of flavonoids in saturated sodium chloride with butanol
IPC: A61K31/35
Filed: 1974-04-25
Abstract: New method of extraction of plant flavonoids by extracting with aq. acetone at room temp., evaporating the acetone under reduced pressure, saturatin the aq. concentrate with NaCl, filtering off the pptated. condensed tannins, extracting the flavonoids with an immiscible organic solvent in which the flavonoids are not denatured, dehydrating the flavonoid solution and precipitating them by adding an organic solvent in which they are insol. and which mixes in all proportions with the flavonoid solvent collecting the ppte and drying it; in which the dehydrated flavonoid soln. is obtained by saturating the aq. soln. of flavonoids with NaCl, filtering, and extracting the filtrate with butanol, evaporating to dryness the butanol extract, under reduced pressure, extracting the residue with ethanol/ethyl acetate to give a dehydrated solution, then precipitating the flavonoids by adding to the soln. an anhydrous ether, esp. diethyl ether.
Patent FR-2268593-A1 (FR)
Title: Improvements to resistance welding machines - used for joining conductor wires to electronic components of different dia
IPC: B23K37/04
Filed: 1974-04-26
Abstract: Improvements to resistance welding machines of the type used to fix conductor wires to the ends of an elongated electronic component, where a clamp actuated by a work-cylinder is used to hold the component or blank and two pairs of electrodes are applied to the ends of the blank. The novelty is that the clamp consists of two jaws each provided with a V-shaped notch where the "V" lies on its side, and the apices of the two notches can be displaced along the horizontal plane contg. the axis of the conductor wire which is being welded to the blank. One jaw pref. contains a slot into which the other jaw slides, and springs hold the jaws open when the work-cylinder is not actuated. Automatic alignment of the blank for welding irrespective of its dia.
Patent FR-2270208-A1 (FR)
Title: Single block compressed air purificn. device - for household and industrial effluents
IPC: C02F3/26
Filed: 1974-05-08
Abstract: Single block purificn. device, for waste water and sewage, operates under compressed air in an assembly of prefabricated cells, the quality of the water is improved and the sludge conc. The device comprises a base, a cover and a central portioned portion. The assembly is air tight except for the sand and grit separating tank. A submerged pump feeds the cell with a certain vol. of the water to be treated. An external air compressor come into action when the siphon starts the water is strongly agitated and oxygenated and passes into the stabilisating and flocculating cell before passing into another tank over partition. The water, when purified, is ejected by the air press, through orifices. The lower part of the flocculation cell is fitted with clack valves which feed the sludge concentrator, this is at a slightly reduced press, as the central filtering zone is connected to the atmos. The compressed air not only serves for agitation and sustaining the life of the aerobic bacteria but also provides the means for evacuating the water. Saturation with oxygen is accompanied by the flotation and the flocculation of the organic matter in the water.
Patent FR-2279004-A1 (FR)
Title: Liquefied gas container valve - has sliding valve sealing against container cylinder insert by toroidal ring
IPC: F16K1/30
Filed: 1974-06-11
Abstract: The valve (8) slides in a cylinder (1) mounted in the upper extremity of the container (2). The lower part of the cylinder has an internal shoulder (6) which is a relatively close fit on the valve stem, a toroidal seal (7) in a groove on the valve stem sealing against the underside of this shoulder. A spring acting between the top of this shoulder and the valve head (9), keeps the seal in contact. There is a relatively small radial gap between valve head and cylinder bore. On depressing the valve, usually by a screwed plunger, gas will escape between valve stem/cylinder shoulder and valve head/cylinder bore.
Patent FR-2234295-A1 (FR)
Title: 1-Alkoxy carbonyl-2(N-alkoxycarbonyl-N-acylamino)-benzimidazoles - systemic fungicides
IPC: C07D235/32
Filed: 1974-06-19
Abstract: Title cpds. of formula (I): (where X = -COR2; R, R1 and R2 each = 1-6C alkyl) are prepd. by reacting a cpd. of formula (I, where X = H) with a cpd. of formula Y-CO-R2 (where Y = halogen or R2COO-) pref. in the presence of a diluent and acid acceptor. They are used to control archimycetes, phycomycetes, ascomycetes, basidiomycetes and imperfect fungi.
Patent FR-2277711-A1 (FR)
Title: Foldable tubular pushchair with canvas seat - has elastic loops supporting top of seat on support rod
IPC: B62B7/00
Filed: 1974-07-12
Abstract: There are two tubes (17, 18) to which are hinged (25) two tubes (7, 8). The first tubes, carry front wheels (20a, 20b) and the others rear wheels (5a). At the other end of the first members is hinged a hand grip frame (13) with sides (15, 16). At the rear there are subsidiary rod reinforcements (6, 1) between the second members and the hand grip and attachments. There is a loose canvas seat (29) with a cranked support rod at its rear, two front parts have two elastic loops (32, 33) slipping over the tubes (7, 8). There is a foot rest (50) of metal and a restraining cord (42). The top of the seat is joined to the support rod by two elastic loops (30, 31).
Patent FR-2279031-A1 (FR)
Title: System extracting warm air from ceiling area - has fan and duct pass air to floor from ceiling
IPC: F24F7/06
Filed: 1974-07-19
Abstract: The equipment consists of a vertical duct which may be situated in the corner of a room. The duct may be hidden behind a corner screen which extends over the whole length of the duct. The duct is elbowed at both floor and ceiling, towards the centre of the room. There is a fan in the duct which circulates the air from the ceiling to the floor. The fan is operated by a thermostat. The method of heat recovery is economical, as the power required to drive the fan is less than the amount of heat recovered from the ceiling area.
Patent FR-2246295-A1 (FR)
Title: Solid sorbents for separation of mixtures - treated with sterically stabilising polymeric dispersion agent to increase separation efficiency
IPC: B01J20/32
Filed: 1974-09-30
Abstract: Solid sorbents, esp. zeolites, used for the sepn. of the components of mixts., esp. hyrocarbons, by adsorption-desorption methods are t eated to give better sepn. of the components by mixing with up to 5.0, esp. 0.5-5 wt% based on sorbent, of a sterically stabilising dispersion agent, in an org. liq. capable of absorbing this agent. The agent is chosen from (I) polymers which have a mol. wt. above 500, esp. 1000, are soluble in the carrier liq., and have end gps. with an affinity for the surface of the sorbent particles, and (II) a block or graft copolymer contg. two types of polymeric components, the first type (a) being solvated by the carrier liq., and having separate segments with mol. wts. above 500, esp. 1000, and the second type (b) having another polarity so that it is relatively unsolvated, and has an affinity for the sorbent particles.
Patent FR-2286899-A1 (FR)
Title: Continuous viscose yarn transfer tube - has an end cap with side port for escape of carrier airstream
IPC: B65H51/16
Filed: 1974-10-01
Abstract: Continuous synthetic yarns, such as of viscose, are transferred from a spinning and finishing process to a winding station using a tube carrying the yarn in an airstream, the end of the tube being fitter with a cap with an opening in the centre of the base of the cap, and an aperture in the cap side wall which is of larger dimensions than the base aperture. The structure and positioning of the side aperture directs the outlet of the airstream ensuring that the yarn is centered in the tube, without incurring friction damage through contact with the interior of the tube.
Patent FR-2251333-A1 (FR)
Title: Water-soluble beta-aescin production - by treating crystalline beta-aescin with bases
IPC: C07H15/256
Filed: 1974-11-14
Abstract: Micelle-colloidl, water-soluble beta-aescin is produced by dissolving beta-aescin in an aqueous inorganic base (pref. alkali or ammonium hydroxide), opt. with the addition of an organic solvent which is at least partially water-soluble (pref. an alcohol); removing any organic solvent which has been added; removing the inorganic base from the resulting aqueous solution (pref. by means of a cation-exchanger), advantageously after adjustment of the solution to pH 4.5-6.5 by addition of acid; and subjecting the resulting solution to spray-drying or freeze-drying. All process steps except spray-drying are pref. carried out at 45 degrees C. Micelle-colloidal, beta-aescin having a water-solubility of not 8 wt. % (pref. is not 12 wt. %) are claimed as new products. Simple procedure enabling beta-aescin with a water-solubility of >15% or even >20% to be produced. Pref. aqueous bases for dissolving the crystalline beta aescinare Na2CO3, K2CO3, NaHCO3, KHCO3, Na2HPO4, K2HPO4, Na3PO4, sodium acetate and potassium acetate, and the corresponding ammonium salts. The concentration of the base is not critical, but is pref. 0.5- to 2.5-N; the pH is generally 7.3-12.5, pref. 7.5-10.5. The addition of water-miscible organic solvent is particularly advantageous when ammonia or a basically reacting salt is used as the base. After removal of any organic solvent, the base is pref. removed by treating with an acidic cation exchange resin. The water-soluble beta-aescin is subsequently isolated by standard spray drying or freeze-drying procedures.
Patent FR-2251857-A1 (FR)
Title: Device controlling oil flow to lower level - has apertured rotary metering disc above a cup shaped sieve
IPC: F16N27/00
Filed: 1974-11-15
Abstract: The level of oil in a casing (10) is maintained generally level by an input valve (11) controlled by a float. The flow passes through an orifice (12) of a choke (13) against the lower side of which a spring (15) presses a thin perforated metering plate (14). This plate is mounted horizontally on a vertical shaft (16) which can be rotated by a knob (17). Oil passing through the orifice and plate is received on the inner surface (20a) of a cup shaped sieve (20) whose upper surface (20b) is placed just below the perforated plate. Oil flows out via openings (21) around the shaft. The top surface of the sieve is about 0.5 mm below the plate.
Patent FR-2294488-A1 (FR)
Title: Data transmission and reception system - translates data from diverse equipments into common language and uses separate data and command wires
Inventor: DUMOLLARD DENIS LOUIS MARIE
IPC: G06F13/42
Filed: 1974-12-13
Abstract: The data transmission system may be used in an aircraft and it transmits data between a wide variety of different equipments using a common data language. Each piece of equipment may have a coupling unit tailored to its particular requirements, so that data input into the system is translated into the common language. Standard coupling units which are identical to each other are used to connect the individual coupling units with the data transmission system. Logic devices control emission and reception of messages passing through the system, and separate lines (LD, LP) are used for transmission of data and control information.
Patent FR-2256715-A1 (FR)
Title: Protector for emptying pipe of combine harvester - has adjustable elastic connector to switching lever for pipe drive
IPC: A01D41/12
Filed: 1974-12-26
Abstract: Combine harvester with a pivotable emptying pipe and screw connected via a universal joint at the pivot point to a discharge screw in the grain tank and with a drive switchable by a lever on the driver's platform and displaceable by a positioning element acted on by pivoting of the emptying pipe and engaging the lever via an elastic connector, has the positioning element fixed on the emptying pipe and pivotable in common with it. The elastic connector can be adjusted or tightened by an equalizer acting between the emptying pipe and the positioning lever. After pivoting the emptying pipe into a transport position, no damage can occur to the conveyor elements, especially the joint, by inadvertent displacement of the lever and the drive.
Patent FR-2312936-A1 (FR)
Title: Distributor for fertiliser in powder form - has hopper feed into tube for impelling through spreader by fan
IPC: A01M9/00
Filed: 1975-03-27
Abstract: The distributor frame is fitted to the three point attachment of a tractor and can be adjusted for working height. A tube in the end of the frame has a spreader or a nozzle, to distribute the fertiliser under the protection of a windbreak. The powder is fed from a hopper onto a rotating disc in its base. It then passes through a control valve and down a pipe into the tube. The remaining end of this tube is equipped with a blower fan which impels the powdered fertiliser along it. A flap controls the feed rate down the tube.