baber/WOPTO huggingface dataset:
Patent FR-2233610-A1 (FR)
Title: Monochromatic light for use at ultra violet wavelengths - is generated using asymmetrical rectangular system with concave reflector
IPC: G01J3/18
Filed: 1973-06-15
Abstract: Monochromatic sources at ultra violet wavelengths have been difficult to achieve because the transparency and reflective properties of the usual optical materials is poor. The use of concave asymmetrical systems processed for good reflexion overcome the difficulties enabling good focus and dispersion and also wavelength changes to be made. A monochromatic source is derived from a system comprising an input slit (F1) and an output slit (F2). The spherically concave reflector (6) rotates about its perpendicular axis on a slide (T). The reflector is connected by arms (P1, P2) articulated at a point (0') to a fixed point (B) such that movement of the point (0') describes a circle (L) about the fixed point (B). This rotates the reflector and moves it along the slide (T). Positions are determined by calculations including number of lines per millimetre engraved on the reflector.
Patent FR-2254816-A1 (FR)
Title: Programming unit for furnace temp control - has pairs of decade switches, digital display, analogue output
IPC: G05B19/07
Filed: 1973-12-14
Abstract: The first decade switch (6) displays the point reached in the programme and the second (7) displays the value to be obtained by the control parameter and if the first display is zero a stepping register (1) allows the successive supply of the switch pairs. A time counter (9) is connected to the first group of switches (6) by a gate (10) opened when the programme is in operation, and to the second group of switches (7) by a second gate (13) when the parameter value is stable, with the counter controlled by a clock source (12). A comparator (21) compares the value of a counter (14) displaying the value of the parameter at the start of the cycle with the value displayed by the second switch group (7) and controls the stepping of the register (1) via a logic gate (22).
Patent FR-2256658-A1 (FR)
Title: Interior panels for vehicles - have acoustic chambers built in to reduce vibration
IPC: B60R13/08
Filed: 1973-12-27
Abstract: An interior cladding panel or a roof panel of a vehicle incorporates pockets which act as acoustic chambers to break up standing waves and reduce vibration. A part of the pocket can form an air cushion to absorb the low and middle frequencies. The material used can be a weak compressed substance adhesively coated with fibrous material. An instrument panel carries three pockets, shaped to suit the construction of the vehicle in that area, extending rearwards. A side panel under the rear window is divided up into three pockets located between the inner and outer skins of the bodywork. A roof panel has a metal base layer covered with a textile layer followed by a longitudinally corrugated member made from fibrous material, with the ends of the corrugations closed and with partitions incorporated, to form a set of resonator tubes.
Patent FR-2258070-A1 (FR)
Title: Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary
IPC: H04R3/00
Filed: 1974-01-11
Abstract: The hi-fi loudspeaker circuit has the speaker (2) coupled across a transformer's primary winding (3) and the output of the input amplifier (4) coupled to a tapping on this primary. The high impedance secondary winding (6) is bridged by a variable resistor (7). For example: the primary has 100 turns; the secondary has 2000 turns; and the part of the primary across the amplifier's output has 50 turns. (The speaker's impedance is 16 ohms, the amplifier's 4 ohms and the secondary's 8 k ohms). The variable resistor may be replaced by various switch arrangements, and the loudspeaker and amplifier may either be interchanged or connected symmetrically to the primary winding.
Patent FR-2237280-A1 (FR)
Title: Spent fuel element can opener - uses divided beam laser cutter
IPC: G21C19/36
Filed: 1974-05-14
Abstract: Trolleys and tables inside a hot cell, remotely controllable from outside the contaminated area, propel a spent fuel element in front of a high powered laser. The laser beam e.g. from a 250 W CO2 gas laser is reflected into two equal components, one of which is reflected around to the opposite side of the fuel element. The laser beams are controlled to cut off end caps and to slice the can into two or more pieces. Cutting drives are not contaminated by radioactive material. Hoppers collect pieces and dust which fall from cutting operation.
Patent FR-2273425-A1 (FR)
Title: Facsimile transmission reader using detector array - has light guiding system for angled beam illuminating separate points
IPC: H04N1/031
Filed: 1974-05-29
Abstract: The document reader consists of anumber of photo-detectors, at least one light source and means of guiding towards the document the luminous radiation for the source or sources of light. The guiding means are of form and dimension such that they enable point by point illumination to be directed onto the document. They also enable reading to be effected by separate detection of the radiation diffused by each illuminated point. The reading system is arranged so as to isolate radiation diffused by the illuminated spot from radiation diffused by neighbouring illuminated points. The axis of the beam from the light source to the illuminated point makes an angle alpha with the plane of the document.
Patent FR-2272694-A1 (FR)
Title: Tennis net height gauge - is truncated isosceles triangle panel with base cut out to fit over anchor weight
IPC: A63B61/04
Filed: 1974-05-30
Abstract: The tennis net height gauge is for use checking the mandatory central net height of 0.915m, and constitutes a rigid panel of this height, with a central cut out recess (3) on its base (1). This cut out is intended to fit over the usual weight used to anchor and stabilise the net and connected by a vertical cable attached to mid-height net webbing. The panel is of truncated triangular form, with the fundamental triangle being an isosceles. The panel may carry the rules of tennis either glued to it or moulded in relief if the panel is of plastic.
Patent FR-2275756-A1 (FR)
Title: Probe for detection of liquid levels - temp of heated resistive element measured when immersed in liquid
IPC: G01F23/24
Filed: 1974-06-18
Abstract: The level of a liquid is determined from measurements of thermal conductivity. The temperature of a heated probe inserted in liquid rapidly falls towards the liquid temperature whereas in calm atmospheres the fall is slower thus liquid level can be determined. a detector probe comprises a resistance (5) wound on a linear former to obtain a constant linear resistance over its length. This resistance is placed in a tube (6) filled with a good thermally conducting product. A high stability resistor (7) of approximately the same value is connected in series with the wound resistance (5) and is connected to a constant voltage (8). When the heated tube is immersed the resistance varies us a function of temperature and can be detected at terminals (A,B).
Patent FR-2283646-A1 (FR)
Title: Filing cabinet with stack of drawer compartments - has drawers locked by rotary vert. shaft with flat
IPC: E05B65/468
Filed: 1974-09-04
Abstract: The cabinet has open topped drawer compartments receiving open topped sliding drawers. The compartments have aligned openings receiving a vertical drawer locking shaft (58) rotatable by a linkage from e.g. cylinder lock. The shaft is rotatable to engage vertically aligned grooves (53) in the drawer walls (52) to lock the drawers. The shaft (58) is of circular solid section with a flat (61) formed longitudinally. Orientation of the flat towards the drawer allows the drawers to move.
Patent FR-2257658-A1 (FR)
Title: Polymsd synthetic silica pigments for toothpastes - prepd. by pptn. from a soln. contg. silicate, acid and electrolyte
IPC: C01B33/193
Filed: 1974-09-20
Abstract: Silica polymers are prepd. by simultaneous addn., to an aq. soln. of an electrolyte, e.g. Na2SO4, 3-15 wt. % of 10-25% acid, e.g. H2SO4, HC1, HNO3, and 120-300g (per 1 of the silicate) of an alkali metal at a pH, pref. 8-10.4, such that polymsd. SiO2 is immediately pptd. The anion of the electrolyte is pref. derived from the acid used. The silicate may have ratios of SiO2:M2O (where M is Na, K or Li) of 1-4:1, pref. 2-2.8:1. The cation of the electrolyte may be Na, K, Li or NH4. Additives such as water-sol. salts of aluminium and alkaline earth metals are used to control the refractive index of the pigment for use in transparent toothpastes. The silica ppts. are very stable, compatible with fluorides and have similar cleaning powers to those of phosphates.
Patent FR-2302463-A1 (FR)
Title: Ball valve with axial adjustment of valve seat - has screw acting on spring pressing against piston and L-shaped lever
IPC: F16K5/06
Filed: 1975-02-26
Abstract: The valve ball rotates about a vertical axis and presses against a sealing ring mounted in the end face of the sleeve. Rotating the adjusting screw compresses the spring which presses against the piston and arm of an L-shaped lever. The L-shaped lever pivots about the rounded edge of the fixed outer sleeve and causes the inner sleeve to move axially. This axial movement adjusts the sealing pressure exerted by the sealing ring on the surface of the ball. Excessive pressure of fluid trapped in the space is exerted on the sleeve and overcomes the force of the spring allowing fluid to escape across the ring.
Patent FR-2304534-A1 (FR)
Title: Easy opening sealed envelope - has wire or string to tear flap open
IPC: B65D27/38
Filed: 1975-03-17
Abstract: The envelope may be of any conventional sort and has a wire made from steel, or nylon or string fitted to the underside of the flap. This may be fitted permanently by glueing. One end of the wire adheres to the corner of the envelope, which is marked on the outside as the corner to open. Tearing the corner results in the end of the wire being held in the hand after tearing, and pulling sideways on the wire then tears the flar off without the aid of a letter opening knife.
Patent FR-2266633-A1 (FR)
Title: Ground aircraft towing system - consits of driven movable support vehicles which fit under undercarriage wheels of aircraft
IPC: B66F19/00
Filed: 1975-04-04
Abstract: The aircraft towing system is used for the movement of different types of planes in or out of hangers. The towing system has a movable support base, with a rope which pulls the aircraft on to the movable base support fitted with a drive installation. The movable base support has a central rear vehicle and a front vehicle rigidly connected to the rear vehicle. Both vehicles run on rails and two further support vehicles are located on each side attached to the rear centre vehicle. Both side vehicles are connected by guides to the centre vehicle with the guides ensuring free movement in a vertical plane at the centre vehicle.
Patent FR-2277417-A1 (FR)
Title: Metal core type electrical conductor - has electrolytic flat strip cover layer, metallurgically connected to core
IPC: H01B5/02
Filed: 1975-07-04
Abstract: High-pressure manufactured, assembled profile, particularly for use as an electrical conductor, comprising a metal core, together with a cover layer, preferably of electrolytic copper, where this cover layer is manufactured as a flat strip connected metallurgically with the metal core. The cover layer can be of the 'unplated' type. Two such strips are connected through the metal core in a sandwich-like manner to a plate or rod profile at the edges of which the metal core is visible. Each strip is provided with a slanting lengthways edge which provides a dove-tail shaped engagement in the metal core.
Patent FR-2286001-A1 (FR)
Title: High speed matrix printer - has five electro-magnets arranged in circle for operation independent of paper thickness
IPC: B41J2/27
Filed: 1975-09-29
Abstract: A spoke-wheel-like base body (1) carries e.g. five electromagnets (20) arranged centrally in a circle. Each magnet has a core (11) an excitation coil (10) a casing (9) and a backstop (8). The core is encircled by a sleeve (7) in the form of a short circuited secondary coil mounted on the free end of a parallel reed spring (12) between its limbs. The printing wires (19) are attached to the elongated ends of the parallel reed spring. The coil of the electromagnet is excited by an alternating current so that an alternating magnet flux permeates the inside of the sleeve and beyond the sleeve is closed in a magnetic circle.
Patent FR-2288204-A1 (FR)
Title: Filing cabinet locking mechanism - has bolt pivoted by drawer opening to engage catches
IPC: E05B65/463
Filed: 1975-10-17
Abstract: In a filing cabinet each drawer has a catch fixed crosswise to the direction of movement of the drawer. A bolt, extending along all the drawers, can be pivoted so that it connects up with the individual catches, preventing the drawers from being opened. To this bolt is linked a lever arm which, when the bolt is in the open position, is pushed forward in the path of the stop-face located on each drawer, this being a face of the catch turned in the direction of movement of the drawer. When a drawer is opened, this stop-face pushes against the lever arm, pivoting the bolt into the locked position.
Patent FR-2338072-A1 (FR)
Title: Mechanical aerator for pisciculture and activated sludge tanks - pumps liq. up to turbine rotor clear above liq. surface
IPC: C02F3/16
Filed: 1976-01-14
Abstract: Mechanical aerator for liq. requiring aerobic conditions to support biological activity is of the type using a vertical, immersed chimney through which liq. is drawn up to be scattered across the liq. surface by a turbine rotor at the top of the chimney. The turbine rotor drive shaft is extended coaxially down into the chimney where it is fitted with a rotary, axial impeller which forces liq. up the chimney and projects it against the underside of the turbine rotor. The top of the chimney pref. projects above the surface level of the liq. and is spaced clear of the underside of the turbine rotor which is fitted with radial blades. The lower end of the chimney is pref. pipe vented to atmos. or piped to a supply of compressed air. Provides agitation to enrich a liq. in oxygen, esp. the aeration of water for fish-breeding and aeration to promote the development of bacteria in activated sludge processes.
Patent FR-2300006-A1 (FR)
Title: Engine cover for tractor - with separate sound and heat insulating panels separate from cab
IPC: B60R13/08
Filed: 1976-02-03
Abstract: The engine of the tractor is fitted with front (4) and rear (5) support hoops directly mounted to the vehicle frame. The front hoop supports the grille and the space between the hoops is filled by separate top (6) and side (7) panels for the engine compartment. The insides of the panels are insulated for sound and heat, while the whole cover is separate from the cab structure. This reduces the sound and heat transfer to the cab and provides a more comfortable driving position.
Patent FR-2345331-A1 (FR)
Title: Bogie with at least three axles - has axle boxes pivoting on cylindrical exteriors and suspended by helicoidal springs and equaliser bars
IPC: B61F5/36
Filed: 1976-02-12
Abstract: The railway bogie has at least three axles with wheels. The axle ends pivot in axle boxes which are mounted and can slide vertically in guides which are freed with the bogie frame. Each axle box has a cylindrical external surface, coaxial with the axle. Between the guide and the axle box is an intermediate piece which has an internal cylindrical surface which allows it to pivot arround the axle axis. This intermediate piece has flat vertical surfaces sliding on the axle fox guides. There can be wear plates welded on the cylindrical part of the box. Suspension is on helicoidal springs and equalising bars.
Patent FR-2342022-A1 (FR)
Title: Grain collector for combine harvester - with rotary horizontal drum bearing retractable radial projections
Inventor: DURIS CAMILLE
IPC: A01F12/30
Filed: 1976-02-24
Abstract: Grain collector for combine harvester omprises a feeder for conducting the chaff and threshed ears in a continuous stream towards an inlet of a sloping vibrating plate with its outlet higher than its inlet. The plte has parallel longitudinal grooves with toothed projecting edges actuated discontinuously by the drive means to cause advance of the stream towards an ejection orifice. Above the plate is a transverse horizontal rotary lifting drum with retractable radial projections which protrude on the inlet side of the plate and are retracted on the outlet side. The drum wall has a polygonal cross-section with the apices forming longitudinal ridges, and each projection is mounted slidably in a pivot point disposed on one of the ridges.
Patent FR-2350952-A1 (FR)
Title: Refuse press liq. extraction system - has compression chamber made from stacked discs with liq. forced through gaps between rings
IPC: B30B9/26
Filed: 1976-05-13
Abstract: A refuse press has a body made of two end blocks (1, 4) between which one clamped on stack of spacing rings (11) by tie bars (15) with packers (12) between the rings. A pressure spindle has a main body (2) passing through a sleeve (5) in the outer end block (4). This carries a stick of rings (28) at the inner end clamped together with a pointer nose piece (31) by tie bars (33). This forms a tapered assembly which fits into a tapered chamber made up of rings (13, 8) correspondingly shaped, mounted inside the spacing rings (11). Radial slots (10) for release of liquid between the rings (8), taper down to a width of between 3/10 or 4/10mm to 1 or 2mm. These slots are used instead of using a block with small holes through it, which would be difficult to produce. The liquid squeezed out is collected in stages through discharge channels (7, 20, 25).
Patent FR-2355237-A1 (FR)
Title: Organe a perte de charge reglable
Inventor: GENEVEY JACQUES
IPC: F16K3/02
Filed: 1976-06-14
Abstract: Organe de perte de charge réglable à plaque perforée mobile, destiné à être placé sur une conduite L'organe de perte de charge est constitué par un corps monobloc annulaire 1 et comporte du côté amont un resserrement annulaire 3 avec un logement annulaire 2 immédiatement à l'aval dudit resserrement et dans lequel se déplace une plaque perforée mobile 4, une plaque perforée fixe 6 étant disposée dans la partie aval de ce logement, l'ensemble du corps et de la plaque fixe étant serré entre deux brides 10 11 d'une conduite sur laquelle est placé ledit organe de perte de charge. Cet organe de perte de charge s'applique en particulier aux conduites de réseaux d'adduction d'eau.
Patent FR-2354046-A1 (FR)
Title: Tensioner for plastic sheet of tunnel greenhouse - has lockable adjusting screw with end bearing against plastic sheet retainer bar
IPC: E04H15/64
Filed: 1976-06-09
Abstract: The tensioner is used to pull tight and adjust the plastic sheet used for a tunnel greenhouse. Several tensioners are spaced at intervals along the length of the fixed frame of the greenhouse, each being adjusted individually. It comprises a screwed bolt (4) passing through a nut (7) on the fixed frame (1, 2, 3). One end has a hexagonal head (5), the other is welded to a U-shaped form (8, 9). The legs (10, 11) of this enclose the plastic sheet retainer bar (15), the sheet (14) forming a hem (12, 13) at this point. After adjusting the tension by rotating the nut on the bolt, it is locked using a back nut (6).
Patent FR-2355216-A1 (FR)
Title: Vehicle transmission and braking system - acts on both driving and driven shaft through epicyclic gears
IPC: F16D55/46
Filed: 1976-06-17
Abstract: The transmission system has reduction gearing of the epicyclic type and has brakes acting on both driving and driven shafts. The drive is supplied from the shaft (3) which connect with the planetary gears in the box (2). The driven shaft transmits the motion through the disc brakes (14) and (17) having the fixed discs on the housing. The braking system is housed in a fixed housing integral with the crown wheels of the gear. The moveable discs are able to come into contact with the fixed discs integral with the planet wheel carriers. The outer end of the braking system is integral with the wheel hub.
Patent FR-2360095-A1 (FR)
Title: Monture de lunettes
IPC: G02C1/08
Filed: 1976-07-27
Abstract: Monture de lunettes. Cette monture du type comprenant deux éléments de cerclage munis chacun d'une branche articulée est principalement caractérisée par le fait que chaque élément de cerclage est ouvert, les extrémités ouvertes étant munies d'une patte latérale extérieure, et que chaque branche comporte une extrémité en forme de fourche à deux dents, les dents de ladite fourche et lesdites pattes latérales étant munies de moyens complémentaires de fixation et d'articulation.
Patent FR-2371764-A1 (FR)
Title: Polarised relay with two armed yoke - responds to control current irrespective of its direction using separate control circuit for each arm
IPC: H01H50/16
Filed: 1976-11-22
Abstract: The yoke arms are connected with each other by a permanent magnet. A movable closing armature is exposed to a resetting force a littler smaller than the attractive force produced by the permanent magnet flux. A control circuit is wound on the yoke and generates a flux sufficient for the movable armature release. At least one of the magnetic circuit arms (2,3) is doubled and forms two contact surfaces for the movable armature. The control circuit (6) is wound only on the doubled arms(s), and the resetting force is applied to the armature (5) at the barycentre of the attraction forces holding the armature at rest.
Patent FR-2377596-A1 (FR)
Title: Forced flow refrigeration chamber - has direct contact water spray units alternating along interior with indirect contact dry units
IPC: F28C1/14
Filed: 1977-01-12
Abstract: A forced flow cold chamber has ventilating openings (2) front and rear and a heat exchanger (3) near the top, with an extraction fan (4) inside or duct (5) over the top. This heat exchanger has dry units (6) alternating with trickle type wet units, along the interior. The housing has a supply duct (9) along the front at high level near the ends of the wet and dry units, which run front to rear. Water supply tubes a run from the duct and spray water from the wet units by direct contact. At the rear are outlet pipes (17) for the dry units which form an indirect contact system. Above the front supply duct (3) are water collectors (19) which discharge into the duct (9) below.
Patent FR-2377893-A1 (FR)
Title: Perfectionnements aux enveloppes de pneumatiques
IPC: B60C11/11
Filed: 1977-01-25
Abstract: Enveloppe de pneumatique comportant une armature de carcasse radiale et une armature de sommet conférant à la bande de roulement une courbure méridienne inférieure à la courbure circonférentielle. Selon l'invention, le taux de découpage de la bande de roulement augmente des bords en direction de la zone équatoriale.
Patent FR-2379112-A1 (FR)
Title: Mode d'ecriture d'informations concernant les defauts d'un support d'enregistrement magnetique
Inventor: DEMOCRATE GERARD
IPC: G06F3/06
Filed: 1977-01-27
Abstract: Mode d'écriture d'informations concernant les défauts d'un support d'enregistrement magnétique où les informations portées par une pluralité de pistes sont écrites à l'intérieur d'une pluralité de secteurs dont chacun comprend au moins une zone de référence contenant des informations de repérage des pistes, une partie des secteurs étant des secteurs de << sauvetage >> contenant des informations prévues pour être contenues dans les secteurs présentant des défauts. Selon l'invention, le mode d'écriture est caractérisé en ce que les zones de référence de l'ensemble des secteurs comprennent des informations << d'indications de défauts >> indiquant si ces secteurs sont ou non défectueux. Applicable aux mémoires à disques magnétiques.