baber/WOPTO huggingface dataset:
Patent FR-2029528-A1 (FR)
IPC: B01D47/02
Filed: 1970-01-14
Abstract: Apparatus for scrubbing of gases wherein the duct through which a gas stream to be treated is conveyed includes a section located below the level of liquid in a tank. The narrowest part of the duct section accommodates at least one transversely extending barrier which produces turbulence in a portion of the interior of the duct located immediately downstream of the barrier, and such portion of the interior of the duct communicates with one or more relatively large openings which admit liquid from the tank into the turbulent gas stream whereby the liquid is atomized and dust or other particles in the gas stream react with or are surrounded by globules of atomized liquid. Such globules are segregated from the thus cleaned gas stream in a cyclone diffuser or other separating device.
Patent FR-2094058-A1 (FR)
Title: Polyurethane aq dispersion - with excellent film forming props
IPC: C08G18/00
Filed: 1971-02-18
Abstract: The dispersion is prepd. by reacting a polyhydroyl cpd. A of e.g. wt. 250 - 2500 and contg. >2 functional gps., an NCO-gp-blocking cpd. B and an org. diisocyanate C in e.g. ratios satisfying the conditions: 0.5 = nB/(m-2)A =1.5 and 1.5 = C/A =2/3. The obtd. prepolymer is then emulsified and further reacted with a chain extender. Used in coating compsn. for leather, plastics, wood, metals etc. The film has good chemical and mechanical resistance and is easily thermally hardened.
Patent FR-2128278-A1 (FR)
Title: Cyanamide/2-chloroethylphosphonic acid or ethylene compsns - for defoliating vines and fruit trees
IPC: A01G17/00
Filed: 1971-12-13
Abstract: Aq. sprayable compsn. comprising cyanamide and 2-chloroethylphosphonic acid or ethylene is a defoliant for use on vines, fruit trees and other crops to aid mechanical harvesting of the crop. The taste of wine from grapes harvested in this way is not adversely affected. The leaves drop readily, unlike the effect produced by cyanamide or the phosphonic acid alone. Solns. may contain 0.5-4% of cyanamide and 0.1-0.4% of 2-chloroethyl)-phosphonic acid or 0.01-0.03% of ethylene.
Patent FR-2167993-A1 (FR)
Title: Orienting magnetic particles in polymer - contg nonelastic medium to produce plasto-magnetic materials
IPC: H01F1/08
Filed: 1973-01-12
Abstract: System is formed comprising magnetic particles (single units or anisotropic agglomerates) dispersed in a suspension of polymer particles (e.g., rubber) in a deformable unelastic medium (e.g., aq. colloidal polymer dispersion; the process can also be carried out in a fluidised bed; in this case, a gas acts as an inelastic medium) capable of holding the magnetic field(s) capable of orienting all the magnetic particles; and densifying the system in the oriented state by removing water whilst the polymer particles coalesce. Magnetic elements of various types can be produced by this method.
Patent FR-2236268-A1 (FR)
Title: Reduced distorsion image converter tube - distorsion corrector ring is placed inside anode near output screen, ring potential different than anode
IPC: H01J31/50
Filed: 1973-07-06
Abstract: Image convertor tube with distortion correction device, comprising an evacuated envelope at the interior of which a photo-cathode (3) struck by an incident radiation emits a beam of electrons which excite the luminescence of an output screen (9) after having passed through a focussing and accelerating system (5, 6, 7). The distortion correction device consists of a ring (12) placed near to the output screen (9), the ring working potential being different to that of the screen. This potential is less than the output screen potential. The ring is fixed in a plane perpendicular to the beam axis and has dimensions greater than that of the beam.
Patent FR-2246251-A1 (FR)
Title: Vacuum actuated powder extractor - produces initial disturbance of dust particles followed by extraction
IPC: A47L5/14
Filed: 1973-10-03
Abstract: The vacuum actuated dust extractor, or applicable to any device transporting particles suspended in fluid, employs an initial disturbance of dust particles followed by extraction in the main stream. In principle each particle is dislodged from its support by investing it with a primary movement of low amplitude so that it is more easily drawn into the main fluid stream, suspended and transported away. Systems for producing the low amplitude movements include subsidiary fluid (compressed ari) emitting nozzles, or reciprocating core electromagnets, or a vibrating bell shaped extraction nozzle, or a similar nozzle with alternate acting eccentric extraction lines (11).
Patent FR-2247678-A1 (FR)
Title: Flame adjusting device for a cigarette lighter - gas throttling disc is adjustably compressed by a hollow screw
IPC: F23Q2/167
Filed: 1973-10-15
Abstract: There is a hollow screw (5) fitting in an internally threaded sleeve (3) which has a closed base (15) with an upwardly projecting pin (16) extending through the base (9) of the screw. Opposed surfaces of the bases clamp a porous throttling disc (20) over a narrow annular zone, the clamping force being varied by adjusting the screw (5) using an upper ring (7). Gas flows from the reservoir (1) into an annular set of channels (12, 14) around the sleeve (3) and as far as the O-ring (8). The gas then flows between the threads and through the throttling disc and the base of the screw to the upper outlet. The width of the disc clamping area is defined by a shoulder on the base of the screw and an annular groove on the base of the sleeve.
Patent FR-2279151-A1 (FR)
Title: Travel limit for motor vehicle accelerator pedal - has dashboard control linked to stop engaging shoulder on pedal
IPC: G05G5/04
Filed: 1973-12-17
Abstract: A dashboard control enables a motor vehicle driver to set a predetermined limit to the accelerator pedal travel. This provides a stable but adjustable maximum opening for the engine fuel mixture valve. The accelerator pedal (2) of a motor vehicle oscillates about a pivot (15) fixed to the chassis (16). A second arm (17) on the lever is attached to a return spring (18). Pedal travel is limited by a nipple (1) on a bowden cable (50a) which passes through a shoulder (2a) on the pedal lever. The lower end of the cable sheath (50b) fits into a sleeve (20) containing a compression spring (19) and which is held on a bracket (21) by a pin (22). The cable extends to the dashboard where a control knob (13) rotates to adjust the pedal travel limit.
Patent FR-2260709-A1 (FR)
Title: Device to hold thin sheets together - uses a conical shaped collar pressed over mating piece passed through sheets
IPC: F16B43/00
Filed: 1974-02-08
Abstract: The device comprises two parts made of fairly rigid material. One part (1) is a collar with a central hole (2), the surrounding material having a conical shape (3, 4). The included angle of the cone is about 150 deg. The second part is passed through the sheets, and comprises a round head (8) and a shaft. The shaft is formed by two conical pieces (6, 7). The widest part of the shaft is of slightly larger diameter than the central hole in the collar. The cross-section of the hole is shaped to correspond with the lower conical part of the shaft. The shaft can be solid, hollow or have a hole through it, or can have a point so that it can be pushed through the material.
Patent FR-2238803-A1 (FR)
Title: Conveyor rail track with curve guide formed by rollers - with rollers born on holders attached to rail
IPC: B61B3/00
Filed: 1974-03-29
Abstract: Conveyor rail track with a curve guide formed by rollers for use with a conveyor chain running on the rail to carry on drive conveyor goods. The rollers have their bearing on holders attached to the rail, with always two rollers attached to one holder. The holder consists of a box-shaped bearing block open on the rail side with a vertical holding loop which is bent over to wards the rail at it's upper end forming an attachment leg. The system reduces the cost of the attaching assembly required for rolls in curved section of the guide rails.
Patent FR-2273467-A1 (FR)
Title: Milking machine flow control valve - has cylinder, valve, float, vacuum and milk delivery tube
IPC: A01J7/00
Filed: 1974-06-07
Abstract: A milking machine valve unit has a float chamber (4) with a tube for vacuum and milk (6) running up through the float (5) from the bottom. The outlet of the tube (7) can be closed by a valve (8) attached to the top of the float, when the chamber becomes empty of milk. Milk from the cluster enters the chamber through a tube (15), the milking operation being started by operating cock (10) which admits vacuum to the chamber (4), and dthence through tube (15) to the teat cups. When milk flows into the chamber, the float remains close to the top of the chamber admitting the vacuum through tube (6) which also carries the milk. When the cow's udder is empty the milk flows finally ceases, the float descends and the valve (8) shuts tube (6), cutting off the vacuum, causing the clusters to fall off the udder.
Patent FR-2280772-A1 (FR)
Title: Auxiliary locking device for cylinder lock - is spring loaded lever engaging key and housing grooves
IPC: E05B27/00
Filed: 1974-07-29
Abstract: The basic lock constitutes a solid inner cylinder rotating in an outer sleeve, anti-rotation locking being achieved primarily by a series of vertical spring loaded diametric pins which slide axially in drillings traversing both the inner cylinder and sleeve, and are manoeuvred into cylinder release stations by a vertically notched key blade. The auxiliary anti-rotation locking takes the form of a centrally pivoted lever with end pins radially offset w.r.t. the main pins. The lever is manoeuvred into the cylinder release station by a lateral key blade engaging one end of the rocking lever which is installed in the cylinder. The lever is urged into a key engaging position by a spring in the cylinder.
Patent FR-2244171-A1 (FR)
Title: Measurement of dissolved oxygen content - having membrane covering cell with light sensitive cpd. light source and detector
IPC: G01N21/64
Filed: 1974-09-13
Abstract: The partial pressure of dissolved O2 in water or other solvents is measured by a cell containg. light sensitive compds. whose sensitivity varies with O2 conc. Soln. flows through tube 1 over cell 6 to cover by membrane 8 which is permeable to O2 but not the solvent. The space behind the membrane is filled with a soln. of a fluorescent cpd. e.g. anthracene. It also contains a light source and a detector connected to a measuring instrument. O2 from the soln. passes through the membrane and partially reduces the fluorescence induced by the light source. The difference gives a measure of the O2 conc.
Patent FR-2250070-A1 (FR)
Title: Flameless, catalytic oxidn appts - with catalyst deposited on inorganic polycrystalline fibres with a deposn to improve combustion
IPC: F23D14/18
Filed: 1974-11-07
Abstract: Combustibles are oxidised in the vapour phase by an appts. comprising a catalyst bed contg. >=1 combustion catalyst deposited on synthetic inorg. polycrystalline fibres, and a device for leading the gases to the catalyst bed through a diffusion bed. The appts. may be used as a flameless catalytic heater for workshops, greenhouse etc.; the catalyst having a long working life. The catalyst is a specif. a Group VIII metal, esp. Pt. Pd, Rh or a combination of these, opt. used with >=1 oxide of Cr, Co, Cu, Mn or Fe; the concn. of catalyst, expressed as metal being 0.01-10 wt% of fibre wt. in the catalyst bed.
Patent FR-2292078-A1 (FR)
Title: Greenhouse with translucent synthetic wall sheet - has frame formed by wire mesh between vert reinforced hoops
IPC: A01G9/14
Filed: 1974-11-25
Abstract: Each hoop (1) forming the frame is preferably of metal tubing and reinforced by struts (3) arranged as overlapping chords. Each hoop has transverse bars (4), the ends of which are bent to hook onto lengthwise metal wires (5) joining the hoops together. The wires (5) are joined to transverse wires (6) parallel to the hoops and fixed to the ground. Two parallel, lengthwise flanges, preferably concrete girders, are preferably placed in the ground to secure the hoops which are also secured by guys (8) with tension-devices (9). The translucent or transparent synthetic film (2) is placed over the frame with its lengthwise edges buried in the ground.
Patent FR-2293555-A1 (FR)
Title: Sprung pull-knob for vehicle sliding window - has knob guide stud fixed to pane and interlocking with knob to inhibit rotation
IPC: E05B65/08
Filed: 1974-12-06
Abstract: The sprung (110) pull-knob (101) catch and runner assembly for a vehicle sliding window (103) has a fixed stud (107) serving as a knob guide which is bonded to the pane. The stud has a mounting plate (102) with adjacent wing projections (105, 106) which fit into matching recesses (108, 109) within the knob. This fixed base with component interlock prevents knob rotation with associated pane instability. The knob has a tab which extends to encompass a door rail and retain the pane in the vertical direction, and has a basal projection (121) which engages a groove in the rail (122) to lock the pane in a desired position. With the assembly in the locked position, the outer end of the stud (107) abuts the retaining screw (104) and the knob grooves fit around the projecting wings (105, 106).
Patent FR-2300933-A1 (FR)
Title: Vehicle integral clutch assembly - with projecting distances pieces for fastening to reaction plate
IPC: F16D13/58
Filed: 1975-02-13
Abstract: The clutch assembly is esp. for vehicles, and contains a ring-shaped housing, and a pressure plate connected non-turntable and axially displaceable, relative to the housing. Controllable flexible elements are positioned between housing and plate, to maintain the distance. This assembly may be fastened via the edge of the housing to a reaction plate, to controllably retain a friction disc between the two plates. The housing (10) edge (18) incorporates radially extending fixing points (35), with projecting distance pieces (38). The distance pieces extend axially, and have a contact surface (39) at a distance to the fastening points, to support themselves on the reaction plate (32). A distance piece has an ear in the shape of a segment extending parallel to the housing axis.
Patent FR-2263856-A1 (FR)
Title: Automatic multi-cut copying machine tool control - has hydraulic control to limit maximum depth of cut
IPC: B23Q35/06
Filed: 1975-03-07
Abstract: The probe is at one end of the bell crank lever, the other end of which presses against the projecting rod of the hydraulic control valve which is mounted on the cross-slide of the machine tool. Any movement of the probe in following the contour of the tenplate moves the hydraulic control valve so that pressure is admitted to the required side of the piston to move the cross-slide and the cutting tool in the appropriate direction relative to the work piece. The cam acts on the auxiliary slide valve to limit the depth of cut, both during the rough machining stage and the fine finish machining.
Patent FR-2304454-A1 (FR)
Title: House door decoration appts. - has frame in pattern of antique door between top parts of columns
IPC: E06B3/70
Filed: 1975-03-18
Abstract: The equipment is for the decoration of house doors in order to simulate classic designs, and comprises a frame in the form of the pattern of the top part of an antique door. This part is contained between the top portion of the central panel and the top part of the columns and cross-members. The decorative components can be produced separately by a trimming machine providing the jigsaw and cut-out effects and mouldings for the columns and cross-members in the desired style. The frame of decorative components can be fixed to a flat thin panel used as cladding for an existing door.
Patent FR-2346003-A1 (FR)
Title: 9-Oxo-11-alpha methyl prosta-13-enoic acid derivs - as selective anti-ulcer agents without hypotensive or intestinal-contracting side effects
IPC: C07D307/93
Filed: 1975-05-26
Abstract: Prostenoic acid derivs. of formula (I) and their pharmaceutically acceptable salts are new: (where A = 4-8 C alkylene, esp. hexamethylene; R1 = 1-5C alkyl, esp. n-propyl; R2 and R3 are H or 1-4 C alkyl; R4 = H or 1-4 C alkyl). They are prepd. from corresp. 9-(protected oxo)-15-oxo cpd. by redn. then deprotection. (I) are anti-ulcer agents with little or no hypotensive or intestinal-contracting side effects. Thus, in the rat, 9-oxo-11 alpha 16, 16-trimethyl-15 alpha-hydroxyprost-13-trans-enoic acid has ED50 against indomethacin-(30 mg./kg.) induced ulcer of 0.16 mg./kg. Usual dose is 0.5-100 mg./day for adults e.g., as 3-4 tablets.
Patent FR-2326265-A1 (FR)
Title: Welding or cutting stainless steels or alloys - where metal powder is supplied together with oxygen and a fuel - gas
IPC: B23K5/22
Filed: 1975-10-03
Abstract: Plant for welding and cutting metallic alloys with the aid of a mixt. of oxygen, fuel-gas and metal powder. The novelty is that the metal powder is contained in a reservoir and fed at a rate controlled by the pressur of the O2 in the burner so that a mixt. of relatively constant proportions of oxygen, fuel-gas and metal powder is projected onto the surface of the metal workpiece. The pipe used to lift the metal powder is pref. surrounded by a fusible seal, which melts if any blow-back of the flame occurs, so air enters the reservoir to prevent an explosion of the metal powder in the presence of O2, and a second fusible seal admits a non-combustible gas under pressure into the O2 pipe. Welding and cutting stainless steels and other alloys using a metal powder consisting mainly of Fe, and where devices prevent any blow-back from causing an explosion.
Patent FR-2518642-A1 (FR)
Title: Aube de rotor pour turbomoteurs
IPC: F01D5/18
Filed: 1975-10-10
Abstract: AUBE DE ROTOR POUR TURBOMOTEURS COMPRENANT UN PROFIL AERODYNAMIQUE CREUX 11. CETTE AUBE COMPORTE UNE PREMIERE PIECE RAPPORTEE CREUSE 17 SITUEE ENTRE LES PREMIERE ET DEUXIEME SURFACES OPPOSEES 14A ET 14B DU PROFIL AERODYNAMIQUE DANS UNE POSITION DE FONCTIONNEMENT DANS LAQUELLE LA PIECE RAPPORTEE EST PLUS PROCHE DE LA SECONDE SURFACE 14B QUE DE LA PREMIERE SURFACE 14A, UN TALON 12 AYANT UNE OUVERTURE 15 COMPRENANT UNE PREMIERE ET UNE SECONDE SURFACE 15A ET 15B OPPOSEES QUI SONT ESPACEES PAR UNE DISTANCE PLUS GRANDE QUE LA LARGEUR DE LA PREMIERE PIECE RAPPORTEE, MAIS INFERIEURE A L'ESPACEMENT ENTRE LES SURFACES DE LADITE CAVITE, LA SECONDE SURFACE 14B DE LADITE CAVITE ETANT EN RETRAIT PAR RAPPORT A LA SECONDE SURFACE 15B DE L'OUVERTURE ET LA PREMIERE SURFACE 14A DE LADITE CAVITE ETANT MOINS EN RETRAIT, UNE SECONDE PIECE RAPPORTEE CREUSE 18 SITUEE, EN FONCTIONNEMENT, ENTRE LA PREMIERE PIECE RAPPORTEE 17 ET LA PREMIERE SURFACE DU PROFIL AERODYNAMIQUE, LA PREMIERE PIECE RAPPORTEE POUVANT ETRE INSEREE AU TRAVERS DE L'OUVERTURE 15 ET POUVANT ETRE DEPLACEE LATERALEMENT DANS LADITE POSITION DE FONCTIONNEMENT ET LA SECONDE PIECE RAPPORTEE 18 POUVANT ETRE INSEREE APRES LEDIT DEPLACEMENT LATERAL DE LA PREMIERE PIECE RAPPORTEE, ET DES PASSAGES 24 POUR INTRODUIRE L'AIR DE REFROIDISSEMENT A L'INTERIEUR DES PIECES RAPPORTEES. APPLICATION AUX MOTEURS D'AVION.
Patent FR-2289855-A1 (FR)
Title: Heat pump for air heating and dehumidification - has circulating medium passing through heat exchanger with cooling and heating surfaces
IPC: F25B6/04
Filed: 1975-10-30
Abstract: The heat pump unit is used especially for heating and for dehumidification of swimming pool halls. This arrangement ensures dehumidification at high efficiency and heat losses in the hall are kept low. The heat pump has a cooling and heating surface for the air and a compressor with associated liquefier and evaporator. The cooling and heating surfaces are in contact with the circulating medium which acts as a heat exchange medium with the evaporator and a heat reservoir. The temperature of this medium is lower than the dew point of the air. The system is regulated by a hygrostat which actuates on air flow control flaps. This hygrostat actuates also a solenoid valve for controlling flow through the cooling surface.
Patent FR-2309688-A1 (FR)
Title: Tool for handling precast concrete paving slabs - has frame with two hooks to grip slab edges and handles
Inventor: EKEHED MAGNUS
IPC: E04G21/16
Filed: 1976-01-20
Abstract: The tool for handling precast concrete paving slabs has a steel frame with hooks (12, 13) and mandrels (5, 6). The frame is a vertical shallow rectangular unit. The top rail (4) which is tubular projects beyond each frame post (2, 3) to form the handles (5, 6). Each handle may be provided with hand grips. Two bars (10, 11) project horizontally from the bottom rail (1) to form the hooks. Each hook-bar terminates in an assymetric 'U' hook formation (12, 13). A further bar (17) projecting horizontally and perpendicularly from the rail serves as a stabilizer. The hook-bars (10, 11) have flanges (15) which fix their alignment with the rail (1).
Patent FR-2338028-A1 (FR)
Title: Hand lever operated mechanism for coffee machine - has gears giving synchronised motions of horizontal and vertical racks controlling infusion cycle
IPC: A47J31/40
Filed: 1976-01-16
Abstract: The hand-lever (10) operated mechanism controls the infusion cycle of a coffee making machine. The mechanism has a horizontal (15) and a vertical rack (1) which are displaced by rotating gear wheels (9, 14) enmesh with one another, and the gear wheel (9) associated with the vertical rack (1) is rotated by the hand lever (10). The mechanism meters material quantities, confines and compresses the coffee charge, effects injection and finally extracts the coffee residue. All operations are synchronised and effected by the manipulation of the lever (10). Details may include a piston (6) which is mounted on a cantilever arm (2) from the vertical rack (1), and moves down to confine and compress the charge (8). The metering and extraction operations are effected by the horizontal rack (15) with a pivoting push rod (24) displacing a lower piston (17). Springs (7) effect recoil.
Patent FR-2338780-A1 (FR)
Title: Large vacuum moulded articles of fibre-reinforced resin - with continuous or reciprocating slow rotation of mould
IPC: B29C41/04
Filed: 1976-01-26
Abstract: Method for mfg. large vacuum-moulded articles of fibre-reinforced resin is carried out by continuous or reciprocating slow rotation of the mould during impregnation and polymerisation. Appts. comprises a frame resting of the ground, with several bogies of which the motorised or freely movable wheels receive a circular chassis for supporting planar walls forming an outer mould, while a counter-mould is positioned on the inside. The counter mould is fixed on the chasis by means of end walls forming he botom and cover, so that a vacuum is obtained when the mould is completely closed, and injection and polymerisation of the resin is allowed by slowly rotating the mould with a continuous or reciprocating motion.
Patent FR-2340559-A1 (FR)
Title: Bush-type hinge for spectacles - has piston and spring system providing flexibility and positive opening and closing action
IPC: G02C5/22
Filed: 1976-02-06
Abstract: The bush type hinge for spectacles has a piston actuated by a spring to provide flexibility, precision and reliability each time the spectacle frames are opened or closed. The hinge has a longitudinal drill-hole as far as the transverse hole. The hinge has an extrusion (6) whose thickness corresponds to the diameter of the bush. This extrusion may be adjusted in order to solder it easily to different frames (7). A spring (2) provides flexibility and a piston (3) is guided in the longitudinal drill hole.