baber/WOPTO huggingface dataset:
Patent FR-2507957-A1 (FR)
Title: Cot or pram bodies reinforced fabric covered foam panels - to strengthen the rim of the cot
Inventor: BUISSON JACQUES
IPC: A45C3/04
Filed: 1981-06-23
Abstract: A carrier such as a cot or crib made of cellular material covered with fabric is reinforced by using body having longitudinally slit rim in which wire or strip metal profile is anchored with adhesive. Applicable to e.g. pram bodies, carry cots, etc. The wire may have a round, oval, rectangular or square section opt. is laquered. Pref. the base includes a rigid panel, overlaid with a base panel of the cellular material, and pref. any carrying handles provided comprise continuous straps which pass beneath the base reinforcement panel. The cot may have a hood comprising arcuate foam panels also fabric covered.
Patent FR-2485564-A1 (FR)
Title: Procede pour la production enzymatique de l-carnitine
Inventor: CAVAZZA CLAUDIO
IPC: C12P13/00
Filed: 1981-06-23
Abstract: UN PROCEDE DE PRODUCTION ENZYMATIQUE DE LA L-CARNITINE CONSISTE A METTRE EN CONTACT UNE SOLUTION DANS UN SOLVANT DONNEUR DE RADICAL HYDROXY DE G-BUTYROBETAINE, D'OXO-2 GLUTARATE DE SODIUM, D'UN AGENT REDUCTEUR ET D'UN SEL FERREUX COMME CATALYSEUR D'HYDROXYLATION, AVEC UNE PHASE COMPRENANT UNE PREPARATION DE SPORES DE LA MOISISSURE NEUROSPORA CRASSA.
Patent FR-2491953-A1 (FR)
Title: Lance de soufflage d'oxygene
Inventor: COLLING JOSEPH
IPC: F27D3/16
Filed: 1981-06-26
Abstract: LA PRESENTE INVENTION A POUR OBJET UNE LANCE DE SOUFFLAGE PREVUE POUR ETRE UTILISEE DANS LE CADRE D'UN PROCEDE D'AFFINAGE DE FONTE LIQUIDE. ELLE EST CARACTERISEE EN CE QUE LA TETE DE LA LANCE COMPREND AU MOINS QUATRE TUYERES PRINCIPALES DESTINEES A FOURNIR L'OXYGENE DE DECARBURATION ET UN NOMBRE EGAL DE TUYERES SECONDAIRES DESTINEES A FOURNIR L'OXYGENE DE POSTCOMBUSTION, LES TUYERES PRINCIPALES ETANT INCLINEES DE 14-17 PAR RAPPORT A L'AXE DE LA LANCE, TANDIS QUE LES TUYERES SECONDAIRES PRESENTENT UN ANGLE D'INCLINAISON DE 30-50 PAR RAPPORT A L'AXE DE LA TUYERE PRINCIPALE VOISINE. ELLE SE RAPPORTE A UNE LANCE DE SOUFFLAGE D'OXYGENE.
Patent FR-2494513-A1 (FR)
Title: Procede et dispositif pour doubler la frequence d'un faisceau laser
IPC: G02F1/37
Filed: 1981-07-27
Abstract: PROCEDE ET DISPOSITIF POUR PROCURER DES FAISCEAUX LASER COINCIDANTS POLARISES A ANGLE DROIT AYANT DEUX FOIS LA FREQUENCE D'UNE FREQENCE FONDAMENTALE EMISE PAR UNE SOURCE LASER. UN GENERATEUR DE DEUXIEME HARMONIQUE A L'INTERIEUR DE LA CAVITE RESONNANTE DU LASER FAIT SE PROPAGER DES FAISCEAUX LASER A FREQUENCE DOUBLE DANS DES DIRECTIONS OPPOSEES LE LONG D'UN AXE DU FAISCEAU. L'UN DES FAISCEAUX SUBIT UN CHANGEMENT DE POLARISATION D'ENVIRON 90 ET EST RENVOYE POUR SE PROPAGER LE LONG DE L'AXE DU LASER DANS LA MEME DIRECTION QU'UN DEUXIEME FAISCEAU A FREQUENCE DOUBLEE QUI N'A PAS SUBI DE CHANGEMENT DE POLARISATION. LES FAISCEAUX POLARISES A ANGLE DROIT SONT ALORS EMIS A TRAVERS UN MIROIR DE SORTIE CONCU POUR TRANSMETTRE DES FAISCEAUX DE DEUX FOIS LA FREQUENCE DU FAISCEAU FONDAMENTAL.
Patent FR-2514260-A1 (FR)
Inventor: DUPONTREUE JACQUES
IPC: A61K9/20
Filed: 1981-10-09
Abstract: 1. A method for manufacturing protein containing tablets, characterized by the combination of the following steps : a) hydrating protein with pressurized water ; b) granulation of the so hydrated protein, drying and calibrating of the granulates ; c) coating of the granulates with a lipid, and d) compression moulding of the coated grains with maintaining the pressure.
Patent FR-2493525-A1 (FR)
Title: Foucault current tachometer for low speeds - has surface of rotational symmetry with star shaped metallisations facing oscillator coil
Inventor: HAUSCHILD WOLFGANG
IPC: G01P3/49
Filed: 1981-10-19
Abstract: The tachometer contains a magnet casing and a speed sensor allowing, in particular, a zero speed or a low speed to give a signal. A metallised surface (3) is situated symmetrical in relation to the rotation axis (2) and is deposited on the front face of the plastics magnet casing. The metallised surface (3) has the shape of teeth, a star or sectors. The coil (4) of a metal sensing oscillator is placed in front of the front face in the active zone of the metallised surface (3). The sensor can be fitted inside a small space and easily added to a conventional tachometer and has a long life.
Patent WO-8302277-A1 (WO)
Title: Dna fragments marked at least at one of the ends thereof by modified ribonucleotides recognizable by related molecules and method for analyzing such dna fragments
Inventor: KOURILSKY PHILIPPE
IPC: C12Q1/6816
Filed: 1982-12-29
Abstract: Method for analyzing DNA sequences. It comprises the fixing at one of the ends of such DNA a ribonucleotide carrying a molecule covalently fixed and carrying a modification group which may be coupled with an enzyme, allowing a further visualization thereof in presence of a terminal DNA transferase, treating said DNA with different chemical agents allowing to operate differential cleavages within such DNA at the basis, which are also of respectively distinct natures, collecting and separating the DNA fragments carrying the visualizable groups in a system allowing to sort them by the size, and determining the unmodified terminal nucleotides of said DNA fragments, considering the nature of the chemical agents used for the cleavage at their respective levels.
Patent FR-2519563-A1 (FR)
Title: Catalyst for converting synthesis gas to hydrocarbon(s) - comprises transition metals and de:aluminated mordenite
Inventor: DENISE BERNARD
IPC: C07C1/04
Filed: 1982-01-14
Abstract: A catalyst for converting synthesis gas into organic cpds., partic. (un)satd. hydrocarbons, comprises an association of (I) at least 2 transition metals from Cu, Zn and Cr, with (II) an active mordenite. (II) comprises (a) dealuminated active mordenites originating from the chemical dealumination or mordenite by successive treatments in concn. acid medium, or (b) doubly aluminated mordenite originating from a hydrothermal dealumination comprising a series of alternating acid and hydrothermal treatments, and ending with an acid treatment, starting from NaZ and Nh4Z type mordenite. Prior to use, the catalyst is reduced in a stream of hydrogen. Used for the prodn of light hydrocarbons contg. 2-4C from a mixt. of CO and H2. Use of the zeolite (II) results in significantly improved yield.
Patent FR-2522637-A1 (FR)
Title: Fork lift truck road protection - has bumper with front and side plates combined with covers over forks
Inventor: BOURLIER JACQUES
IPC: B66F9/12
Filed: 1982-03-04
Abstract: The fork lift truck lifting gear protection shield has a rigid cross bumper (5,8). On the rear of this is a removable fixing to the ends of the lifting forks (3). The fixings consist of two covers (6), to match the forks and their spacing. The covers have T headed screws (7), for clamping on to the forks. There is also a front protecting sheet (8) with side panels (9), the latter being adjustable angularly relative to the front sheet. Longitudinals (11) connect each side sheet to the front ones and the fixings are removable.
Patent FR-2523172-A1 (FR)
Title: Support post for road signs - carries transverse anchor bars bolted onto lower end
Inventor: ISON YVES LE TOURNEUR D
IPC: E02D5/80
Filed: 1982-03-11
Abstract: The support post for a roadsign, comprises an elongate body (1), the lower end (2) of which is buried in the ground and the upper end of which carries the sign. At least one transverse anchor (3) is secured at its mid-point to the foot of the post below ground level. Two transverse anchors are secured to the foot of the post and are positioned perpendicular to one another. Each transverse anchor consists of a bar of angle-iron.
Patent FR-2523464-A1 (FR)
Title: Puzzle with flat pieces moving in frame - has slot in one side through which only one thinner piece can slide
IPC: A63F9/08
Filed: 1982-03-16
Abstract: The puzzle has a set of pieces (4,5,6) that can be moved in a frame (1) fixed to a base (2). In the middle of one short side of the frame, there is a slot (3) through which only one (6) of the pieces can slide. The inner dimensions of the frame are 5 units by 4. Some pieces are squares (5), one unit long, and some are rectangular (4), two units long and one unit wide. There are also thinner square pieces (6), two units long, and a free space is left that is two units by one.
Patent FR-2530765-A1 (FR)
Title: Limited action differential.
IPC: F16D41/07
Filed: 1982-03-19
Abstract: Limited action differential, allowing a vehicle to turn in its minimum turning circle by using the "differential" function but in which the ratio of the speeds of rotation of the two output half shafts cannot be greater than a value defined during the construction of the device. It is constituted by the bases of a conventional differential, itself completed by gears which are always engaged but mounted on free wheels and which abut each of the wheel bearing half shafts. The drive obtained by the intermediary of these supplementary gears gives for example a rotational speed of the output half shafts, only representing 80 % of that obtained by the operation of a straight line differential. The invention can be used on all vehicles where there is a mechanical transmission, such as: individual cars, heavy goods vehicles, public transport vehicles, all-terrain vehicles, agricultural tractors, forestry vehicles, rail vehicles and others.
Patent FR-2504877-A1 (FR)
Title: Maitre-cylindre pour freins hydrauliques de vehicule automobile
Inventor: BELART JUAN
IPC: B60T11/20
Filed: 1982-03-25
Abstract: L'INVENTION CONCERNE UN MAITRE-CYLINDRE POUR FREINS HYDRAULIQUES DE VEHICULE AUTOMOBILE. LE MAITRE-CYLINDRE COMPORTE UN CORPS 1 AYANT UN ALESAGE 2 DANS LEQUEL COULISSE UN PISTON DE MAITRE-CYLINDRE 3 COMPORTANT UN TROU CENTRAL DE COMPENSATION 18 RELIE AU RESERVOIR DE FLUIDE PAR DES CANAUX DE TRANSFERT 5 ET UN PISTON INTERMEDIAIRE 4. CES DEUX PISTONS SONT REPOUSSES PAR UN RESSORT 9, PAR L'INTERMEDIAIRE DES DEUX PLATEAUX 10, JUSQU'A CE QUE CHACUNE DES TETES DU TIRANT 11 BUTENT CONTRE CES PLATEAUX. LA PREMIERE TETE DE TIRANT 13 COMPORTE UNE PARTIE CONSTITUANT UN CORPS DE SOUPAPE 14 VENANT LIBERER L'ORIFICE DU TROU CENTRAL DE COMPENSATION DE FLUIDE AU MOMENT DU RELACHEMENT DE LA PEDALE DE FREIN. L'INVENTION S'APPLIQUE AUX MAITRE-CYLINDRES POUR FREINS HYDRAULIQUES DE VEHICULE AUTOMOBILE.
Patent FR-2504555-A1 (FR)
Title: Alliage resistant a la chaleur, possedant des proprietes de deformation et une ductilite excellentes apres vieillissement, et ses produits
Inventor: SUGITANI JUNICHI
IPC: C22C38/48
Filed: 1982-04-26
Abstract: ALLIAGE RESISTANT A LA CHALEUR, POSSEDANT DES PROPRIETES DE DEFORMATION ET UNE DUCTILITE EXCELLENTES APRES VIEILLISSEMENT, ET SES PRODUITS. CET ALLIAGE RESISTANT A LA CHALEUR AYANT DES PROPRIETES DE DEFORMATION ET UNE DUCTILITE EXCELLENTES APRES VIEILLISSEMENT, COMPREND, EXPRIME EN POIDS, 0,12 A 0,33 DE C, MOINS DE 1,2 DE SI, MOINS DE 1,5 DE MN, 23 A 25 DE CR, 37 A 40 DE NI, 0,5 A 1,8 DE NB ET 0,04 A 0,15 DE N, LE RESTE ETANT PRATIQUEMENT FE ET LES IMPURETES INEVITABLES, LA RELATION MUTUELLE DES TAUX DE C ET DE SI ETANT REPRESENTEE PAR LA REGION HACHUREE. CET ALLIAGE PEUT ETRE TRANSFORME EN TUBES PAR COULEE CENTRIFUGE POUR ETRE UTILISE SOUS FORME DE TUBES DEFORMES APRES CINTRAGE.
Patent FR-2528129-A1 (FR)
IPC: F15B21/12
Filed: 1982-06-04
Abstract: 1. Electro-pneumatic device generating timed gas pulses, which is supplied from a source (14) of gas at predetermined pressure, characterised in that it comprises : a pneumatic circuit with three branches comprising respectively a pressure reducing valve (4), a negative-pressure generator (9) and an electrically operated valve (7), for applying respectively to a pneumatic memory cell (8) a pressure, a negative pressure and a gas pressure signal for the control of the cell (8) ; and an electrical circuit comprising a timer (3) and an operatable or movable contact (19) for supplying the electrically operated valve (7) through the agency of a diode bridge (18).
Patent FR-2528014-A1 (FR)
Title: Chariot de redressement de futs cylindriques
Inventor: GELE MAURICE
IPC: B65G65/24
Filed: 1982-06-04
Abstract: L'INVENTION CONCERNE UN CHARIOT DE REDRESSEMENT DE FUTS CYLINDRIQUES. CE CHARIOT COMPORTE UNE FOURCHE PORTANT DES PATINS 48 DE SUPPORT DESTINES A SE GLISSER DE PART ET D'AUTRE DU FUT. LA FOURCHE EST SOLIDAIRE D'UN MANCHE 24 QUI PERMET LE BASCULEMENT AUTOUR DE L'AXE 36 DE ROTATION DES ROUES 38 DU CHARIOT. UN MARCHEPIED 20 PERMET A L'OPERATEUR D'EMPECHER LE RECUL DU CHARIOT. CE CHARIOT EST UTILISABLE POUR LA MANUTENTION DES FUTS DANS LES INDUSTRIES CHIMIQUES.
Patent FR-2507710-A1 (FR)
Inventor: HUMPHRIES MARTIN
IPC: B64G1/22
Filed: 1982-06-10
Abstract: In a telescopic mast which can be retracted from a locked extended position into a stowed position, a plurality of tubular sections (10...10n) are nested one inside the other. Each tube section is provided with a bar (13) which is inwardly prestressed so as to lock the next-inner section in the extended position. A locking device in the form of an arm (32) running in the longitudinal direction has the effect, upon retracting the mast, of lifting each bar (13) out of the recess when it is moved into the stowed position, as a result of which the next-following section is released for movement into the stowed position, thus resulting in a successive unlocking during movement into the stowed position.
Patent FR-2509054-A1 (FR)
Inventor: PUC ANDREJ
IPC: G02B6/42
Filed: 1982-07-01
Abstract: The optical connecting piece for fibre/fibre, source/fibre or fibre/detector connection consists of two cylindrically formed lenses (1, 2) made from poly(methylmethacrylate), which have an elliptical surface on one side and a flat surface on the other side. The piece enables a very high efficiency of connection without regard to the dimension and numerical opening of the fibre (4) and is insensitive with respect to change in the mutual position in the longitudinal direction. It can be produced easily and at low cost, can be easily assembled and is capable of universal use.
Patent FR-2529856-A1 (FR)
Title: Small craft with guided free rigging
IPC: B63B35/79
Filed: 1982-07-06
Abstract: The invention relates to a small craft of the type comprising a hull and free rigging consisting of a wishbone and a sail mounted on a mast 5 articulated on a support dependent on the hull. There are provided means 4 for limiting the inclination of the mast 5 with respect to the hull of the small craft, which means 4 prevent the rigging from laying on the water and reduce the effort which the user must supply in order to hold the rigging up.
Patent FR-2508799-A1 (FR)
Title: Appareil de respiration artificielle destine a etre utilise dans des chambres sous pression
Inventor: BANZIGER FRITZ
IPC: B63C11/32
Filed: 1982-07-01
Abstract: DANS CET APPAREIL DE RESPIRATION ARTIFICIELLE DESTINE A ETRE UTILISE DANS DES CHAMBRES SOUS PRESSION 1 POUR TRAITEMENT THERAPEUTIQUE OU POUR PLONGEE, TOUTES LES FONCTIONS SONT ASSUREES PAR DES MOYENS PNEUMATIQUES. QUELLE QUE SOIT LA PRESSION DANS LA CHAMBRE, L'APPAREIL DOIT TOUJOURS FOURNIR AU PATIENT LA MEME QUANTITE (EN LITRES) DE GAZ RESPIRATOIRE ET RESPECTER LA FREQUENCE CHOISIE POUR LA VENTILATION. POUR SATISFAIRE LA PREMIERE CONDITION, IL COMPORTE UN REGULATEUR DE RAPPORT DE PRESSION CONNU 7 FONCTIONNANT SUIVANT LE PRINCIPE DE LA DOUBLE MEMBRANE. LA SECONDE CONDITION EST REMPLIE PAR UN STABILISATEUR DE FREQUENCE 23, LEQUEL COMPORTE, DANS UN CARTER, UN PISTON ETAGE DEPLACABLE CONTRE LA FORCE D'UN RESSORT PAR LA PRESSION REGNANT DANS LA CHAMBRE 1 ET DEFINISSANT AVEC LE CARTER DEUX CAPACITES 21, 22.
Patent FR-2529885-A1 (FR)
Inventor: JENCK JEAN
IPC: C07C67/38
Filed: 1982-07-09
Abstract: 1. Process for the preparation of beta, gamma-unsaturated carboxylic acids, by carbonylation of a conjugated diene in the presence of water, a halogenated hydrogen acid and a palladium catalyst, at a temperature above 60 degrees C and at a total pressure (at temperature) above 50 bars, characterised in that : a) the carbonylation operation is additionally carried out in the presence of a quaternary onium salt of a group VB element chosen from nitrogen, phosphorus and arsenic, the said element being quadricoordinated to carbon atoms and the said salt containing an anion chosen from the "hard" or "intermediate" bases of the group consisting of the anions : PO4 **3- , HPO4 **2- , H2 PO4 **- , CH3 SO3 **- , Ph-SO3 **- , (Ph denoting a phenyl radical), NO3 **- , SO4 **2- , PF6 **- , Cl**- or Br**- , b) the palladium catalyst consists of : - metallic palladium optionally deposited on a support, - a palladium oxide, - a salt or a pi-allyl complex of palladium in which the anion coordinated to the palladium cation is a "hard" or "intermediate" base of the group consisting of carboxylate, SO4 **2- , NO3 **- , acetylacetonate, chloride and bromide anions, or - a palladium zero complex incorporating organic ligands not containing group VB elements.
Patent FR-2510406-A1 (FR)
Title: Composition pharmaceutique contenant en association de la 6,7-dichloro-1,5-dihydroimidazo (2,1-b) quinazoline-2(3h)-one et un agent anti-inflammatoire
Inventor: FLEMING JAMES STUART JR
IPC: A61K31/415
Filed: 1982-07-29
Abstract: L'INVENTION A TRAIT AU DOMAINE DE LA CHIMIE PHARMACEUTIQUE. ELLE CONCERNE UNE COMPOSITION PHARMACEUTIQUE NOUVELLE CONTENANT EN ASSOCIATION DE L'ANAGRELIDE, C'EST-A-DIRE DE LA 6,7-DICHLORO-1,5-DIHYDROIMIDAZO 2,1-B QUINAZOLINE-2(3H)-ONE ET UNE QUANTITE, CAPABLE D'EXALTER L'ACTIVITE DE CETTE SUBSTANCE, D'UN AGENT ANTI-INFLAMMATOIRE NON STEROIDIQUE CHOISI DANS LE GROUPE COMPRENANT L'ACIDE ACETYLSALICYLIQUE, LE ZOMEPIRAC, L'IBUPROFENE, LE NAPROXENE, LA SULFINPYRAZONE, LA PHENYLBUTAZONE ET L'INDOMETHACINE. LES EFFETS SUR-ADDITIFS DES NOUVELLES ASSOCIATIONS SELON L'INVENTION PERMETTENT D'UTILISER LES COMPOSITIONS QUI LES CONTIENNENT DANS LE TRAITEMENT TANT THERAPEUTIQUE QUE PROPHYLACTIQUE DE LA THROMBOSE ET D'AUTRES TROUBLES ASSOCIES A L'AGREGATION DES PLAQUETTES SANGUINES.
Patent FR-2512431-A1 (FR)
Title: Procede pour la decomposition electrochimique de l'acide nitrique
Inventor: KREYSA GERHARD
IPC: G21F9/06
Filed: 1982-08-31
Abstract: A.PROCEDE POUR LA DECOMPOSITION ELECTROCHIMIQUE DE L'ACIDE NITRIQUE AVEC FORMATION PRINCIPALE OU EXCLUSIVE D'OXYDE NITREUX (NO). B.CARACTERISE EN CE QUE LA REACTION DE DECOMPOSITION S'EFFECTUE EN PRESENCE D'ARGENT ET D'IONS ARGENT. C.PROCEDE APPLICABLE AU TRAITEMENT DE DECHETS NUCLEAIRES.
Patent FR-2514691-A1 (FR)
Inventor: GEIST GREGOR
IPC: B21D24/02
Filed: 1982-10-19
Abstract: The invention relates to a controllable drawing cushion for presses, having at least one piston-cylinder unit in effective connection with a gas-loaded pressure-oil accumulator (1). The use of the invention is intended to improve the economy of the drawing cushion, the cushion plate (5) being pulled down further by a certain amount upon reaching the bottom end position of the press ram without additional energy consumption. The energy stored in the cushion is thereby used to produce a prestressing force counteracting the cushion force. This is achieved, according to the invention, by virtue of the fact that the piston is designed as a differential piston (3) and that the lower part (7) of the cylinder space (2) is connected to the upper part (8) of the latter and to the gas-loaded pressure-oil accumulator (1) by a pipe which is provided with a non-return valve (12) and a controllable directional control valve (13), and is in effective connection, via a further pipe and a controllable directional control valve (15), with a further pressure-oil accumulator (16) at low pressure for intermittently taking up a metered quantity of oil from the lower part (7) of the cylinder space (2).
Patent WO-8400481-A1 (WO)
Inventor: DAVID LOIC
IPC: A43B17/14
Filed: 1983-07-18
Abstract: La semelle intérieure amovible pour chaussure est constituée d'une mince feuille (1) de mousse plastique, par exemple en polyoléfines, ayant la forme générale du pied. Cette feuille (1) comprend des gorges (6, 7, 8) situées en bordures de la semelle ou délimitant dans celle-ci des zones (3, 4, 5) d'épaisseurs différentes, donc de densités différentes. Les bords de la semelle sont en biseaux (9, 10). La semelle (1) se déforme progressivement et définitivement au contact du pied et en adopte finalement le profil. Les gorges (6, 7, 8) facilitent la déformation.
Patent FR-2540219-A1 (FR)
Title: Device for balancing ventilation in cellars or cells
IPC: F16K24/06
Filed: 1983-02-01
Abstract: The subject of the invention relates to a device for balancing ventilation in cellars or cells. It consists of a sealed tank 1 containing a volume of water 2 which does not fill the capacity and in which there is immersed a tube 3 connected to the external air by a calibrated valve 4 at atmospheric pressure with respect to the volume of water, whilst a duct 6 immersed in the cell 8 opens out into the top part of the tank 1 above the fluid level 2. It is intended for distributing pure air taken from outside to the inside of sealed capacities consisting of prefabricated cells and recesses.
Patent FR-2522060-A1 (FR)
Title: Mandrin a poche laterale
Inventor: MERRITT DAVID T
IPC: E21B23/03
Filed: 1983-02-18
Abstract: L'INVENTION CONCERNE UN MANDRIN A POCHE LATERALE A GRANDE RESISTANCE, DESTINE A ETRE UTILISE DANS LES PUITS PROFONDS A HAUTE PRESSION. LE MANDRIN 10 EST TRAVERSE SUT TOUTE LA LONGUEUR PAR UN CANAL PRINCIPAL 12 LE LONG DUQUEL S'ETEND UN ALESAGE DE RECEPTION OU LOGEMENT 13 DESTINE A RECEVOIR UN OUTIL DE COMMANDE D'ECOULEMENT. AU-DESSUS DE CE LOGEMENT, LE CANAL PRINCIPAL PRESENTE UNE SECTION EN TROU DE SERRURE MENAGEANT UN ESPACE MINIMAL, MAIS SUFFISANT POUR LA MANOEUVRE D'UN OUTIL DE DECENTRAGE DESTINE A LA POSE D'OUTILS DE COMMANDE D'ECOULEMENT DANS LE LOGEMENT. DE PLUS, LA SECTION DU MANDRIN EST REALISEE DE FACON QUE SES PAROIS SOIENT RENFORCEES POUR QU'IL PUISSE SUPPORTER DE PLUS GRANDES FORCES TENDANT A LE FAIRE ECLATER OU A L'ECRASER. DOMAINE D'APPLICATION: PUITS DE PETROLE ET DE GAZ A HAUTE PRESSION.
Patent FR-2523782-A1 (FR)
Title: Circuit amplificateur a transistor a effet de champ
Inventor: COX DONALD CLYDE
IPC: H03F1/02
Filed: 1983-03-09
Abstract: L'INVENTION CONCERNE LES AMPLIFICATEURS DE PUISSANCE FONCTIONNANT EN HYPERFREQUENCE. UN CIRCUIT AMPLIFICATEUR LINEAIRE A TRANSISTOR A EFFET DE CHAMP COMPREND UN DETECTEUR D'ENVELOPPE 12 QUI EXTRAIT UN SIGNAL D'ENVELOPPE A PARTIR D'UN SIGNAL D'ENTREE. UNE SOURCE DE TENSION DE POLARISATION DE GRILLE 16 ADDITIONNE ENSUITE LE SIGNAL D'ENVELOPPE A UNE TENSION DE POLARISATION DE GRILLE PREDETERMINEE ET APPLIQUE LA SOMME A L'AMPLIFICATEUR A TRANSISTOR A EFFET DE CHAMP 14, EN TANT QUE SIGNAL D'ENTREE CONTINU DE GRILLE. LA TENSION DE POLARISATION DE GRILLE EST AINSI COMMANDEE DE FACON DYNAMIQUE PAR L'ENVELOPPE DU SIGNAL D'ENTREE, CE QUI AMELIORE NOTABLEMENT LE RENDEMENT. APPLICATION AUX TELECOMMUNICATIONS SPATIALES.
Patent FR-2532918-A1 (FR)
Title: Recipient non renversable permettant le degagement de vapeurs
Inventor: NEAL JONATHAN
IPC: B65D83/00
Filed: 1983-09-08
Abstract: L'INVENTION CONCERNE UN RESERVOIR NON RENVERSABLE CONCU POUR PERMETTRE LE DEGAGEMENT DE VAPEURS, CE RESERVOIR COMPRENANT UNE ENCEINTE 10 ET UN TUBE 20 QUI S'ETEND A PARTIR D'UNE PAROI DE L'ENCEINTE JUSQU'A SON CENTRE. LE TUBE DEBOUCHE DANS L'ATMOSPHERE ET COMMUNIQUE A SON EXTREMITE INTERIEURE 26 AVEC L'INTERIEUR DE L'ENCEINTE. LE RESERVOIR N'EST REMPLI QU'A MOITIE DE SORTE QUE, QUELLE QUE SOIT L'ORIENTATION DU RESERVOIR, L'EXTREMITE INTERIEURE DU TUBE NE PLONGE JAMAIS DANS LE LIQUIDE. LES VAPEURS DU LIQUIDE S'ECOULENT DANS LE TUBE ET SE DEGAGENT DANS L'ATMOSPHERE. L'INVENTION EST APPLICABLE NOTAMMENT A UN RESERVOIR DESTINE A CONTENIR DES PHEROMONES.
Patent FR-2552683-A1 (FR)
Title: Rotary head driven by a hydraulic motor at a high rotation speed for electrostatically spraying liquid products
Inventor: LACCHIA ADRIEN
IPC: B05B5/04
Filed: 1983-09-29
Abstract: Head having a high rotation speed, of the type having an electrostatic disc for spraying liquid products onto articles to be coated. The rotation of the disc is performed by a hydraulic motor. This system enables large-diameter discs to be driven at a high rotation speed.