baber/WOPTO huggingface dataset:
Patent FR-2435620-A1 (FR)
Title: Dispositif d'alimentation en pression
IPC: F04B49/02
Filed: 1979-09-07
Abstract: Dispositif comportant une pompe à fonctionnement intermittent, dont l'arrêt est commandé par un piston. La pompe 1 comporte un piston 2 poussé par un ressort 3 et entraîné par l'arbre à cames 4. Sachambre 8 est reliée à la tubulure d'aspiration 9 et à la tubulure de refoulement 11. Celle-ci mène à un accumulateur de pression 13 et, par la tubulure 14, à la chambre 15 du tiroir 16. La tubulure 14 est surveillée par la soupape d'inversion 17 comportant un piston 18 et une soupape 19. Le tiroir 16, qui deux profils de commande 20 et 21, est maintenu normalement gauche par le ressort 22. Le profil 20 surveille la liaison 23 avec le réservoir 24, et le profil 21 se trouve dans la liaison 25 avec l'aspiration, liaison entre la chambre 26 du piston 27 et le régulateur de pression 28. Le piston 27 peut, par sa tige 29 et son extrémité 30, soustraire le piston 2 à l'action de l'arbre 4 et arrêter ainsi la pompe.
Patent FR-2468928-A1 (FR)
Title: Contact print photographic equipment - has three plates, one transparent, two opaque and one with holes for light and retaining film and paper
IPC: G03B27/02
Filed: 1979-10-30
Abstract: Three plates are superimposed and these immobilise the film and prevent sliding of the photographic paper. After exposure, cutting off can be effecting in a single action. The first transparent plate is of material rigid enough to support the second plate. This is light proof, of aluminium and stuck to the first, with holes to permit passage of light and house film. The third plate is also light proof and fixed to the other by a hinge.
Patent FR-2469403-A1 (FR)
Title: Esters d'alcools heterocycliques, leurs procedes de preparation et les compositions les renfermant
Inventor: MARTEL JACQUES
IPC: C07D213/70
Filed: 1979-11-14
Abstract: L'INVENTION A POUR OBJET LES COMPOSES DE FORMULE GENERALE I: (CF DESSIN DANS BOPI) DANS LAQUELLE, NOTAMMENT X ET X REPRESENTENT UN ATOME DE FLUOR, DE CHLORE OU DE BROME, X UN ATOME DE CHLORE OU DE BROME, R REPRESENTE UN GROUPE CN, Y REPRESENTE UN ATOME D'OXYGENE, Z REPRESENTE UN RADICAL ALCOYLE, N LA VALEUR 0, 1 ET 2. L'INVENTION A EGALEMENT POUR OBJET DES PROCEDES DE PREPARATION DES COMPOSES DE FORMULE I AINSI QUE LES COMPOSITIONS INSECTICIDES, ACARICIDES, NEMATICIDES ET FONGICIDES LES RENFERMANT.
Patent FR-2470497-A1 (FR)
Inventor: SUSZYLO JACKY
IPC: H04M1/50
Filed: 1979-11-23
Abstract: A keypad caller which can be fitted into a conventional telephone set, includes a two-frequency oscillator (50) which emits two sinusoidal frequencies chosen from eight when a key (1, . . . 0) is depressed thereby selecting the frequency-determining resistors of the oscillator (50) and switching the (V+,V-) voltage supply to the oscillator 50 as well as switching a double switch (Q10, Q11) which switches the speech current. Applications: telephone telecommunications.
Patent FR-2444046-A1 (FR)
Title: Procede de preparation des 1-n-isoseryl- ou 1-n (l-4-amino-2-hydroxybutyryl)-3',4'-didesoxykanamycines b
IPC: A61P31/04
Filed: 1979-12-13
Abstract: Les 1-N-isoséryl- ou 1-N-(L-4-amino-2-hydroxybutyryl)-3',4'-didésoxyltanamycines B sont préparées à partir de la 3',4'-didésoxy-3',4'-didéhydrokanamycine B selon les étapes suivantes : protection de tout ou partie des quatre groupes amino autres que le groupe 1-amino du composé de départ, réaction du ou des dérivés partiellement amino-protégés ainsi formés avec l'isosérine ou l'acide L-4-amino-2-hydroxybutyrique ou un de leurs dérivés réactifs ayant le groupe amino non protégé ou protégé afin d'acyler le groupe 1-amino du premier composé, élimination du ou des groupes amino-protecteurs du produit acylé et réduction de la double liaison oléfinique en 3',4' par hydrogénation catalytique, les deux dernières étapes étant effectuées successivement, simultanément ou dans l'ordre inverse. L'invention concerne également les nouveaux composés intermédiaires utiles, obtenus au cours du procédé.
Patent FR-2472122-A1 (FR)
Title: Disc for pulley wheel variable ratio belt drive - has braced hollow triangular section using laminar conical cheeks crimped on hub
Inventor: DUCUGNON JEAN
IPC: F16H55/44
Filed: 1979-12-19
Abstract: The disc comprises two conical annular pressed sheets (2,3) mounted on a hub block (1), incorporated in a pulley wheel for a variable ratio trapezoidal transmission belt. Once assembled and crimped the disc is in a state of pre-stress, in the rim zone (C) and at points (A,B) where the cheeks (2,3) meet the hub (1). It may use an external return (5) of the cheek (3) together with the hub shoulder to retain the respective edges of the cheek (2). A second hub shoulder (7), together with the returned lip (8) may secure the inboard edge of the cheek. The lip may be deformed locally into radial notches in the edge of the cheek, and half rings in the grooves may be used in lieu of the shoulder (4).
Patent FR-2474691-A1 (FR)
Title: Fuel consumption measuring device for IC engine - provides pressure regulation of fuel supply via control valve and flowmeter
Inventor: COCHARD PIERRE
IPC: G01F25/00
Filed: 1980-01-25
Abstract: Fuel consumption is measured by maintaining the fuel flow pressure constant and measuring mass or volumetric flow. Precision is improved by degassing and cooling the fuel. In the fuel supply, gauge pipes (11,12) to an engine are mounted on injection pump and filter. Fuel supplied by the pump passes via a cooling unit to the engine. A pressure regulator maintains constant the fuel supply pressure. The position relative to a chamber and the position of the gauge pipes permits degassing of the fuel. An electric valve permits measurement of fuel in the gauge pipes and density meter by a mass or volumetric flowmeter.
Patent FR-2474669-A1 (FR)
Title: Auto control of rotary drum dryer for vegetable prod. - esp. forage regulates drying temp. w.r.t. moisture in final prod.
Inventor: GEORGES CLAUDE
IPC: A23N17/00
Filed: 1980-01-28
Abstract: Process and an installation for automatically controlling a rotary drum dryer used for removing moisture from fresh vegetable prods. are described. The installation is of the type in which the dried prod. is sepd. and fed through a grinder. The drying temp. is now directly related to the moisture content of the final prod. Pref. a moisture content detector is fitted in the grinder discharge passage. The temp. regulation and the speed of rotation of the drum are continually subject to amendment w.r.t. The powder absorbed by the grinder. The parameter used to determine the grinder power is the measurement of electric current supplied to the grinder. Pref. excess power overrides any downward regulation of dryer temp. and automatically reduces the speed of the dryer to minium. Controlling a rotary drum dryer for drying veg. prods. such as forrage, beetroot pulp and tobacco. Precise control of humidity of final prod. Safety features which include slowing down feed to grinder, maintaining adequate drying temp. and signalling unsatisfactory operation as soon as grinder power rises above set point.
Patent FR-2449669-A1 (FR)
Title: Procede de preparation d'un diester d'alkyle inferieur de l'acide brassylique
IPC: C07C45/75
Filed: 1980-02-26
Abstract: L'INVENTION CONCERNE UN NOUVEAU PROCEDE DE PREPARATION D'UN DIESTER D'ALKYLE INFERIEUR DE L'ACIDE BRASSYLIQUE DE FORMULE GENERALE: (CF DESSIN DANS BOPI) DANS LAQUELLE R EST UN GROUPE ALKYLE INFERIEUR. SELON L'INVENTION, ON FAIT REAGIR UN PERACIDE AVEC LA 2,2-METHYLENEBISCYCLOHEXANONE DANS UN SOLVANT ORGANIQUE HALOGENE EN PRESENCE D'UN CARBONATE ALCALIN POUR FORMER LE 6,6-METHYLENEBIS-(6-HEXANOLIDE) ET ON EFFECTUE L'HYDROCRAQUAGE DUDIT HEXANOLIDE DANS UN ALCOOL DE FORMULE:ROHDANS LAQUELLE R EST TEL QUE DEFINI CI-DESSUS, EN PRESENCE D'UN CATALYSEUR METALLIQUE ET D'UN CATALYSEUR ACIDE.
Patent FR-2450526-A1 (FR)
Title: Electric drill overheating protection circuit - has resistive temp. sensor in motor windings connected to triac to operate acoustic warning
IPC: H02H3/04
Filed: 1980-02-29
Abstract: The overheating protection circuit for an electric drill includes a temp. sensing device (2) incorporated in the stator windings (40) of the motor (41). This is connected to a switching element (4) and an acoustic warning device (5) which indicates that the temp. of the windings is too high. In series with the temp. sensor is a capacitor (1) and between their junction and the switching element is a resistance (3). The temp. sensor can be a resistive element, and the switching element can be a triac, which conducts as the resistance of the sensor increases due to heating. The warning device can be a magnetic summing device or a modulated electronic summer. Alternative circuits include a switching device and can be combined with an electronic speed control system.
Patent FR-2478417-A1 (FR)
Title: Modular loudspeaker for assembling arcuate arrays of speakers - moulded from acoustically stiff insulating material such as ABS
IPC: H04R1/02
Filed: 1980-03-11
Abstract: A modular loudspeaker has a casing made of acoustically-stiff material, such as ABS, moulded with edges stepped and angled so that similar units can be combined as semi-interlocking arrays presenting a convex face several layers deep. Used for sound distribution over a wide angular front without dead spots in the distribution. Specifically speaker casings are claimed in which the vertical side walls converge at 11 degrees, with a corresp. angular shift between the axes of the speakers in adjacent units, and where the loudspeaker diaphragms (panels of expanded polystyrene) are designed to project sound with a lateral spread of 19 degrees. Opt. the face of the speaker casing is curved to suit an array radius of at least 1m. The speaker is less resonant than metal casings. Electrically circuits may be more easily isolated by casings of non-conductive materials.
Patent FR-2479590-A1 (FR)
Title: Protection circuit for power transistor with rapid response - compares signal representing transistor function with reference signal to control conduction interval
Inventor: CAPPELLO MARIANO
IPC: H02M3/335
Filed: 1980-03-26
Abstract: The protection circuit has a detector providing a signal (SA) representing the function of the power transistor (Ep), fed to a comparator (C) for comparison with a reference signal. A control device (CM) for the power transistor (Ep) receives the output (SC) of the comparator (C) together with a given periodic signal (D), to allow the power transistor (Ep) to be conductive for a duration which is a function of the comparator output (SC). Pref. a pulse generator (G) receives the detector signal (SD) and supplies pulses (SG) in synchronism with the periodic signal (D). A monostable circuit (M) receives the product of these pulses (SG) and the comparator output (SC). An inhibit stage (I) blocks the periodic signal (D) for the duration of the signal supplied by the monostable circuit (M). The circuit exhibits a rapid response and can be incorporated in a protected supply stage.
Patent FR-2479462-A1 (FR)
Title: Balance destinee notamment au dosage de melanges de produits liquides
Inventor: GODAT JEAN
IPC: G01G19/38
Filed: 1980-03-28
Abstract: L'INVENTION CONCERNE UNE BALANCE DESTINEE NOTAMMENT AU DOSAGE DE MELANGES DE PRODUITS LIQUIDES A PARTIR DE FORMULES CUMULATRICES EXPRIMEES EN POIDS. CETTE BALANCE COMPREND UN PLATEAU 4, 7 PORTE PAR UN CAPTEUR A JAUGES DE CONTRAINTES 3 A FIXATION CENTRALE, MONTE SUR LE BATI FIXE 1 DE LA BALANCE ET QUI FOURNIT UN SIGNAL REPRESENTATIF DU POIDS DE LA CHARGE, QUELLE QUE SOIT SA POSITION SUR LE PLATEAU 4, 7, A UN ORGANE DE MESURE EFFECTUANT L'AFFICHAGE DU POIDS AINSI DETECTE SUR UN PREMIER DISPOSITIF D'AFFICHAGE. L'INVENTION S'APPLIQUE NOTAMMENT A LA REALISATION DE PEINTURES UTILISEES EN CARROSSERIE AUTOMOBILE, A PARTIR DE FORMULES CUMULATRICES EXPRIMEES EN POIDS.
Patent FR-2455508-A1 (FR)
Title: Procede et dispositif pour rechaper ou restaurer des zones partielles de pieces moulees, en particulier d'enveloppes pneumatiques de vehicules
Inventor: FINK LOTHAR
IPC: B29C35/00
Filed: 1980-04-24
Abstract: A.PROCEDE POUR RECHAPER OU RESTAURER DES ZONES PARTIELLES DE PIECES MOULEES EN MATIERE INJECTABLE ETOU VULCANISABLE, EN PARTICULIER POUR RECHAPER DES PNEUMATIQUES DE VEHICULES. B.PROCEDE CARACTERISE EN CE QUE L'ON APPLIQUE, SUR LA ZONE PARTIELLE A TRAITER DE LA PIECE MOULEE (PNEUMATIQUE 10), DANS UN MOULE DONT LE POURTOUR PEUT ETRE RENDU HERMETIQUE (MOULE D'INJECTION ETOU DE VULCANISATION), DE LA MATIERE PAR INJECTION ETOU VULCANISATION.
Patent FR-2456767-A1 (FR)
Title: Composition de silicone pour revetement pelable
Inventor: ECKBERG RICHARD PAUL
IPC: C08L83/04
Filed: 1980-05-14
Abstract: COMPOSITION SANS SOLVANT AYANT UNE DUREE DE CONSERVATION ET D'EMPLOI SUFFISAMMENT LONGUE. ELLE COMPREND: A.UN POLYMERE DE BASE DE POLYDIORGANOSILOXANE COMPRENANT JUSQU'A ENVIRON 20 EN POIDS DE GROUPES FONCTIONNELS ALCENYLES OU SILANOLS ET PRESENTANT UNE VISCOSITE COMPRISE ENTRE ENVIRON 50 ET ENVIRON 100000 CENTIPOISES A 25C; B.UN FLUIDE DE POLYMETHYLHYDROSILOXANE, UTILISE COMME AGENT DE RETICULATION COMPRENANT JUSQU'A ENVIRON 100 EN POIDS DE GROUPES SIH ET PRESENTANT UNE VISCOSITE COMPRISE ENTRE ENVIRON 25 ET ENVIRON 1000 CENTIPOISES A 25C; C.UNE QUANTITE EFFICACE D'UN CATALYSEUR A BASE DE METAL PRECIEUX POUR FACILITER UNE REACTION D'HYDROSILYLATION DE DURCISSEMENT PAR ADDITION ENTRE LE POLYMERE DE BASE ET L'AGENT DE RETICULATION; ET D.UNE QUANTITE D'ESTER CARBOXYLIQUE DE DIALKYLE EFFICACE POUR INHIBER LA REACTION DE DURCISSEMENT PAR HYDROSILYLATION CATALYSEE PAR UN METAL PRECIEUX DE LA COMPOSITION DE SILICONE A DES TEMPERATURES INFERIEURES A LA TEMPERATURE DE DURCISSEMENT THERMIQUE DE LA COMPOSITION DE SILICONE. APPLICATION AUX RUBANS ADHESIFS.
Patent FR-2460257-A1 (FR)
Title: Recipient en forme de bac rectangulaire et flan de carton destine a sa realisation
Inventor: KULIG FRANCIS V
IPC: B65D5/20
Filed: 1980-06-23
Abstract: L'INVENTION CONCERNE UN RECIPIENT EN FORME DE BAC RECTANGULAIRE ET LE FLAN DE CARTON DESTINE A SA REALISATION. LE RECIPIENT EST REALISE DANS UN FLAN UNIQUE DE CARTON DONT UNE FACE EST REVETUE D'UNE PELLICULE PROTEGEANT LE CARTON CONTRE LES TEMPERATURES COMMUNEMENT RENCONTREES DANS UN FOUR DE CUISSON UTILISE EN BOULANGERIE. CE RECIPIENT COMPREND UN PANNEAU 15 DE FOND SUR LES BORDS PERIPHERIQUES DUQUEL SONT ARTICULES DES PANNEAUX 23, 28 DESTINES A FORMER DES PAROIS LATERALES ET DES PAROIS EXTREMES, RESPECTIVEMENT. DES PANNEAUX 24 ET 29 DE RENFORT DES PANNEAUX 23, 28 SONT REPLIES CONTRE LES FACES EXTERIEURES DE CES DERNIERS. DOMAINE D'APPLICATION: RECIPIENTS POUR LA PREPARATION ET LA VENTE DE PRODUITS DE BOULANGERIE, DE PATISSERIE, ETC.
Patent FR-2461350-A1 (FR)
Title: Dispositif semi-conducteur et son procede de fabrication ainsi que tube de prise de vues et dispositif de reproduction comportant un tel dispositif semi-conducteur
Inventor: HOEBERECHTS ARTHUR MARIE EUGEN
IPC: C07C1/00
Filed: 1980-07-09
Abstract: CATHODE SEMI-CONDUCTRICE BASEE SUR L'EFFET DE CLAQUAGE PAR AVALANCHE DANS UNE JONCTION P-N. LA JONCTION 5 S'ETEND PARALLELEMENT A LA SURFACE DU CORPS SEMI-CONDUCTEUR 1. LES ELECTRONS EMIS 6 ACQUIERENT DE L'ENERGIE ADDITIONNELLE A L'AIDE D'UNE ELECTRODE ACCELERATRICE 9 APPLIQUEE SUR LE DISPOSITIF, CE QUI PROVOQUE UNE AUGMENTATION DU RENDEMENT ET JUSTIFIE LA REALISATION DE CATHODES DANS LA TECHNIQUE DE SILICIUM PLANAIRE. LA ZONE DESERTEE 10 DE LA JONCTION P-N, DANS LE CAS DE CLAQUAGE PAR AVALANCHE, N'AFFLEURE PAS LA SURFACE 2. LES ELECTRONS EMIS PRESENTENT UNE REPARTITION ENERGETIQUE GROUPEE. APPLICATION, NOTAMMENT, AUX TUBES DE PRISE DE VUES ET AUX TUBES REPRODUCTEURS.
Patent FR-2463104-A1 (FR)
Title: Procede pour la production de ciment a faible densite utilise pour la cimentation de puits de petrole et de gaz naturel
Inventor: SKJELDAL SIGVE
IPC: C04B18/14
Filed: 1980-07-23
Abstract: A.PROCEDE POUR LA PRODUCTION DE CIMENT A FAIBLE DENSITE UTILISE POUR LA CIMENTATION DES PUITS DE PETROLE ET DE GAZ NATUREL. B.LE CIMENT EST MELANGE AVEC DE LA POUDRE DE SILICE, DE L'EAU ET DES DISPERSANTS, LA POUSSIERE ETANT AJOUTEE EN PROPORTION DE 1 A 50 EN POIDS DE LA MATIERE TOTALE.
Patent FR-2488381-A1 (FR)
Title: Spray cooling for power station - has grid housing, and water distributor with staggered pipes and nozzles
Inventor: GONCHAROV VLADIMIR VITALIEVICH
IPC: F28C3/06
Filed: 1980-08-06
Abstract: The cooling circuit is for a power plant and has a floating base, with a water distributor and a warm water conveyor. It is provided with a grid housing (7), positioned to form a gap (9) with the base. The lower part of the base (1) has a lower section (8), at a relative angle to it. The water distributor consists of layers of pipes (2) with nozzles (3). The nozzles in one layer are staggered to those in the next.
Patent FR-2463615-A1 (FR)
Title: Composition orale inhibant la plaque dentaire
IPC: A61K8/96
Filed: 1980-08-18
Abstract: PREVENTION DES CARIES DENTAIRES. IL EST DECRIT DES COMPOSITIONS ORALES POSSEDANT DES CARACTERISTIQUES D'INHIBITION DE LA PLAQUE DENTAIRE ET CONTENANT UNE ASSOCIATION DE POUDRE DE CACAO ET D'UN AGENT DE FLAVEUR CHOISI ENTRE L'ESSENCE DE MENTHE POIVREE, L'ESSENCE DE MENTHE VERTE, L'ESSENCE DE CANNELLE, ET LEURS MELANGES. LES COMPOSITIONS PREFEREES SONT DES DENTIFRICES NE CONTENANT QUE DES INGREDIENTS NATURELS, Y COMPRIS LA POUDRE DE CACAO ET L'AGENT DE FLAVEUR PRESCRIT. LA COMPOSITION PEUT EGALEMENT ETRE SOUS LA FORME DE COLLUTOIRE, DE GOMME A MACHER OU DE PASTILLES.
Patent FR-2483114-A1 (FR)
Title: Element prefabrique pour la construction de casiers de stockage de combustible radioactifs
Inventor: HOLTZ MAURICE
IPC: G21C19/40
Filed: 1980-08-21
Abstract: A.ELEMENT PREFABRIQUE 20 POUR LA CONSTRUCTION DE CASIERS DE STOCKAGE DE CELLULES DE COMBUSTIBLES RADIOACTIFS. B.ELEMENT 20 CARACTERISE EN CE QU'IL COMPREND UNE STRUCTURE METALLIQUE CREUSE A SECTION CRUCIFORME 28, 30, 32, 34 ET UN ECRAN 40 D'ABSORPTION DE NEUTRONS PLACE ENTRE LES PAROIS FORMANT CHAQUE JAMBE DE LA STRUCTURE METALLIQUE, CHAQUE JAMBE SE TERMINANT A SON EXTREMITE LIBRE PAR DES SURFACES CONVERGENTES 36, 38 FORMANT UN ANGLE INSCRIT DE 90 ENVIRON. C.L'INVENTION S'APPLIQUE AU STOCKAGE DE COMBUSTIBLES DE CENTRALES NUCLEAIRES.
Patent FR-2489631-A1 (FR)
Title: Automatic time switch for TAD - has capability for manual override by using inverter
IPC: H04M1/64
Filed: 1980-09-02
Abstract: A device enables automatic switching into circuit of a subscriber phone answering machine and is easily coupled to the telephone and answering machine using the standard plug connections of the latter. The device has a twenty four hour clock which can be set to ensure automatic engagement on receipt of a call during one or more periods. The answering machine may also be actuated manually on receipt of a telephone call. The device also allows a subscriber to listen to recorded messages.
Patent FR-2466890-A1 (FR)
Title: Dispositif de branchement pour des appareils utilisateurs electriques
Inventor: RIEHL KLAUS
IPC: H02H3/10
Filed: 1980-09-03
Abstract: a. Dispositif de branchement pour des appareils utilisateurs électriques. b. Dispositif de branchement caractérisé en ce qu'il comporte deux commutateurs à valeur de seuil 26, 31 dont l'un 26 commute en fonction de l'intensité du courant tandis que l'autre 31 commute en fonction de la tension. c. L'invention s'applique notamment à la commande des bougies à incandescence d'un moteur à combustion interne. (CF DESSIN DANS BOPI)
Patent FR-2465008-A1 (FR)
Title: Bain acide aqueux de passivation d'un substrat a surface metallique, procede de passivation utilisant ce bain et article passive obtenu
Inventor: GREENE JOSEPH L
IPC: C23C22/48
Filed: 1980-09-05
Abstract: L'INVENTION CONCERNE LA PASSIVATION D'UNE SURFACE DEPOURVUE DE CHROME OU A FAIBLE TENEUR EN CHROME. DES SUBSTRATS, PRESENTANT NOTAMMENT DES DEPOTS METALLIQUES A LEURS SURFACES, SONT SOUMIS A DES TRAITEMENTS DE PASSIVATION DANS DES BAINS QUI RENFERMENT UN OU PLUSIEURS AGENTS FILMOGENES DONT L'UN AU MOINS NE NECESSITE PAS DE CHROME ET COMPREND DES ANIONS OU DES CATIONS D'ELEMENTS AUTRES QUE LE CHROME. NORMALEMENT, LES ANIONS OU CATIONS SONT INTRODUITS SOUS LA FORME DE SELS SOLUBLES DANS LE BAIN QUI REAGISSENT AVEC LE DEPOT A LA SURFACE DU SUBSTRAT POUR FORMER UN FILM SUPERFICIEL DE PASSIVATION ADHERENT ET COHERENT. LES BAINS CONTIENNENT AUSSI UNE SOURCE D'IONS HYDROGENE ET UN ACTIVATEUR DU TYPE D'UN ACIDE CARBOXYLIQUE OU D'UN DERIVE DE CET ACIDE SOLUBLE DANS LE BAIN EN VUE D'ACTIVER LA VITESSE DE LA REACTION DE PASSIVATION. DES ARTICLES PASSIVES DANS DES BAINS RENFERMANT CES AGENTS FILMOGENES ONT UNE SURFACE HYDROPHOBE QUI EST DOUEE DE RESISTANCE A LA CORROSION ET QUI PRESENTE NORMALEMENT UN FINI BRILLANT.
Patent FR-2465026-A1 (FR)
Inventor: LINDAHL JONAS ARNE INGVAR
IPC: D21C9/08
Filed: 1980-09-12
Abstract: The paper pulp is brought to a concentration of 15 to 35 %, and alkali is added to the paper pulp in such a quantity that the alkali, calculated as NaOH, amounts to 2 to 17 g per kg of water accompanying the paper pulp, after which the paper pulp is subjected to a mild mechanical treatment in a device which is suitable for treatment at high consistency and which is provided with screws rotating relative to one another, in particular at an energy input of 8 to 100 kWh per tonne of paper pulp, and subsequently the paper pulp is reacted with added alkali in a separate vessel for a period of 0.1 to 5 hours. The dissolved resin is then removed by washing the paper pulp. This invention also relates to a device for applying the process, this device comprising a dehydration apparatus (2), a screw defibrator (10), a paper pulp container (12) and means for transporting the paper pulp between these units.
Patent FR-2467950-A1 (FR)
Title: Bus luggage compartment flap hinge - has batten jaws enclosing round profile bearing on base piece
Inventor: LANG FRITZ
IPC: E05D7/10
Filed: 1980-10-14
Abstract: A base piece, mounted on the vehicle frame, has a swivelling hinge batten mounted on itself, connected to a flap on a luggage store in a bus. The base piece (7) has a circular profile unit (8) as bearing component, at least partially enclosed by jaws (20) belonging to the bearing piece (9) on the hinge batten (1). The round profile can be located at the open end of a sloped shank (25) protruding across the plane of the vehicle side (4). The jaws are on the open end of another sloped shank (26), protruding beyond the luggage flap (3).
Patent FR-2468386-A1 (FR)
Title: Practice appts. for gymnastic exercises - consists of frame with runner and support base, with brake for horizontally moving runner, and grips
IPC: A63B23/035
Filed: 1980-11-03
Abstract: The appts. enables the user to perform gymnastic exercises, esp. therapy movements. It consists of a frame (10) with a runner (24) which can be moved horizontally in a lengthwise direction. There is a support base (28) for the person lying on it; and two upward-projecting supports (30) at each side of one end. Foot or hand grips (31) are attached to the supports (30). A brake is positioned between the runner (24) and the frame (10), and consists of a hydraulic piston-cylinder unit and at least one compression or suction space with throttle valve.
Patent FR-2493735-A1 (FR)
Title: Cold forming press for corrugated metal tube for heat exchanger - has two indented rollers with circular mandrel reducing work ovality
IPC: B21D15/04
Filed: 1980-11-07
Abstract: The press uses serrated rollers (1,2) to obtain thin-walled metal pipes (7) with annular or spiral pattern wall grooving (6), the products being used as turbulence pipes for heat exchangers. It uses cold-forming with two rollers, the tendency for the work to become oval being counteracted by a circular guide rigidly connected to the substructure. The guide may comprise a barrel with a cylindrical inlet (8) and outlet (9) and an indented intermediate zone (11,12). The latter zone supports the work whilst permitting roller penetration and the rollers may have undulating surfaces, the work being executed in a single pass.