baber/WOPTO huggingface dataset:
Patent FR-2598287-A1 (FR)
Title: Light-weight treatment apparatus intended for precision spraying operations in plantations or sowings (seedlings) in rows
IPC: A01M7/00
Filed: 1986-05-09
Abstract: The invention relates to a treatment apparatus with light-weight structures, making it possible to perform spraying operations on diverse plots and crops requiring either protection or precision of application. It consists of a small carriage 1 of the wheelbarrow type, carried by at least one wheel 2 of a pump motor group 3 intended for supplying sprayed liquids, of an assembly of motor controls 6, 7, 8 within hand's reach, of regulation distributions 9, 10, 11, and diverse spraying devices, including an outdoor-type spraying boom for large surface areas to be sprayed without special precautions, a spraying boom with lateral protections 4 for precision spraying operations, and a lance with pipes for spraying operations at a distance. This assembly of combined devices, taking into account that the wheels placed in the centre, the spraying systems always placed at the front, permit, due to their light weight, quite exceptional ease of driving and guiding, regardless of the spraying tasks for which they are intended.
Patent FR-2599115-A1 (FR)
Title: Device for heating by means of electrical resistors, intended particularly for preventing fluid-conveying pipes from freezing
Inventor: BOURGEOIS JACQUES LE
IPC: H05B3/56
Filed: 1986-05-26
Abstract: According to the invention, the device consists of modules each comprising an elongate portion 1 consisting of two electrically conductive lines 2, 3 of low electrical resistance and one electrically resistant element 4 connected at one end to one of the lines and at the other end to the other line; the said lines 2, 3 and the said resistant element 4 are inserted into an insulating sheath 5; and the two lines 2, 3 are connected at one end of the portion to separate contacts of a male electrical connector 6 and at the other end to separate contacts of a female electrical connector 7, in such a way that a plurality of modules can be connected end to end with their conducting lines 2, 3 in series.
Patent FR-2599944-A1 (FR)
Title: Machine for gutting fish
IPC: A22C25/14
Filed: 1986-06-17
Abstract: This machine comprises two surfaces 7, for guiding and transporting the fish, inclined with respect to one another and symmetrical with respect to a vertical plane so as to delimit a channel 6 of V-shaped transverse section, into the bottom of which juts a toothed wheel 9 arranged in the longitudinal median plane of the two surfaces for guiding and transporting the fish and driven in rotation in the opposite direction from the direction of movement of the fish in contact with the said surfaces, means 13 being provided which ensure the bearing holding of each fish, belly facing the bottom of the channel 6, when it passes in contact with the toothed wheel 9. Application to the gutting of small fish.
Patent FR-2587158-A1 (FR)
Inventor: AUSTIN KENNETH
IPC: G06F17/50
Filed: 1986-09-10
Abstract: Configurable semiconductor integrated circuits as-made each have a plurality of logic circuits formed at discrete sites (10S). For each logic circuit, direct selectably conducting/non- conducting connection paths (14A,B,C,F) extend from its output to input of a first set of other logic circuits and to its inputs from outputs of a second set of other logic circuits. All of the sets for all of the logic circuits are each different. Other direct connection paths (50R,50C) are selectably connectable to inputs (14D,E) and outputs (52G,H) of the logic circuits. Selection can be irreversible (Figure 8) or reversible (Figures 9, 10, 11, 18) and involves coincident signal addressing (22R,C) of the sites (105) and coded configuring ofthe paths at that site. Reversible selection can beviafield effect transistors or bipolar transistors and can be at or near normal logic signal levels and speeds (Figures 11 and 18). Versatile configurable input/output arrangements are described (Figures 13-16), also reconfigurable data processing systems using the reversible transistor provisions (Figures 20-23).
Patent FR-2605574-A1 (FR)
Title: Transporation installation having an overhead cable in continuous advancement and set-off and braking systems
Inventor: CREISSELS DENIS
IPC: B61B12/10
Filed: 1986-10-23
Abstract: The set-off 22 and braking 20 systems of a gondola lift are subdivided into several sections 7-10; 1-4, each having an individual means for driving the cabins 14. This subdivision allows storage of the cabins on these segments 20, 22, and a drive adapted to each section in order to limit wear and energy consumption.
Patent FR-2609069-A1 (FR)
Title: Device for reinforcing the signalling of pedestrian crossings
IPC: E01F9/646
Filed: 1986-12-24
Abstract: The invention relates to a device for reinforcing the signalling of pedestrian crossings, by virtue of a retractable vertical signalling system, operated when the crossing is authorised for pedestrians, and without any danger for the motor vehicles. It consists of a series of buried cylinders, located on either side of the crossing. The controls, located in terminal boxes 1 if the device is not automatic, trigger an electropneumatic mechanism for raising, by means of pistons, the signalling elements consisting of flexible strips made of synthetic materials. The device, according to the invention, is particularly intended for signalling and showing pedestrian crossings, and for signalling systems used on roads in general.
Patent FR-2608559-A1 (FR)
Title: Loader intended for vertically supplying the magazine of a machine for processing plate products, method of use of this loader and installation for implementing this method
Inventor: FORGET MARCEL
IPC: B65D5/54
Filed: 1986-12-18
Abstract: Loader intended for vertically supplying the magazine of a machine for processing plate products, this loader having a closed sheath form containing a certain number of blanks. It takes the form of an elongate box made from semi-rigid material which, when it is placed upright in a vertical position, has its base plate 26 constituted by at least one wall piece 16 which can be torn away or cut off which is bordered by at least one aperture 27, 28 extending between the edge of this wall piece 16 and the border delimiting the base 26 of the box.
Patent FR-2609299-A1 (FR)
Title: Improvements to spiral staircases
IPC: E04F11/032
Filed: 1987-01-07
Abstract: Spiral staircase of the type which comprises a metal central shaft or newel on which the step elements are stacked in succession, characterised in that the said central shaft consists of a tube 12 of polygonal cross-section, made from a bent metal sheet, the two edges of the said metal sheet which are opposite each other after bending being provided with a clamping system 18, 18', 20, so as to apply the corners of the tubular profile thus obtained against the surface of the sockets 14 of the step elements, after these have been stacked.
Patent FR-2609592-A1 (FR)
Title: Dispositif pour associer un composant electrique avec une commande et/ou une signalisation montee dans une ouverture de tableau
Inventor: ROUSSEL MICHEL
IPC: H05K7/12
Filed: 1987-01-09
Abstract: UNE SEMELLE 1 EST TRAVERSEE PAR UNE OUVERTURE 5 DANS LAQUELLE EST FIXABLE, PAR VERROUILLAGE ELASTIQUE, L'EXTREMITE D'UN ORGANE TUBULAIRE DE TRAVERSEE DU TABLEAU. CETTE OUVERTURE 5 PERMET LA LIAISON NECESSAIRE ENTRE L'APPAREIL MONTE DANS L'ORGANE TUBULAIRE ET LE COMPOSANT, LEQUEL EST FIXE SUR LA SEMELLE 1 DU COTE OPPOSE A L'ORGANE TUBULAIRE. POUR LE VERROUILLAGE ELASTIQUE, LA SEMELLE 1 COMPORTE DEUX CROCHETS 2, 14 CAPABLES DE COOPERER AVEC DES CONFORMATIONS COMPLEMENTAIRES DE L'ORGANE TUBULAIRE. UN PREMIER 2 DE CES CROCHETS EST FIXE RELATIVEMENT A LA SEMELLE 1, TANDIS QUE LE SECOND 14 EST PORTE PAR UN TIROIR 6 RELIE D'UNE PIECE A LA SEMELLE 1 PAR DES CLOISONS 7 A 9 ELASTIQUEMENT DEFORMABLES POUR PERMETTRE LE DEPLACEMENT DU TIROIR 6 SOUS L'ACTION D'UN OUTIL PENETRANT DANS UN OEIL 11. UTILISATION POUR SIMPLIFIER LE MONTAGE.
Patent FR-2610241-A1 (FR)
Title: Method for the forming of skylight domes
Inventor: CHETREFF BERNARD
IPC: B29C51/42
Filed: 1987-02-02
Abstract: Method for the shaping of skylight domes from a sheet of thermoplastic resin, protected on both its faces with a film made of a thermoplastic resin having a softening point below the temperature at which deformation of the said sheet occurs, characterised in that the protective film 3 corresponding to the face of the sheet 1 which is to constitute the concave lower side of the dome of the skylight is removed, in that the peripheral edge of the sheet 1 and of the protective film 2 which is to lie on the convex face of the skylight are clamped, in that both faces of the sheet, still equipped with the protective film 2, are heated to the deformation temperature of the said sheet 1, heating occurring predominantly on the face which includes the protective film, and in that the said sheet 1 and its protective film are subjected to a forming action which simultaneously renders convex the sheet 1 and the protective film 2, heating being stopped and the sheet 1 being cooled until crystallizing (hardening).
Patent FR-2611525-A1 (FR)
Title: Cristallisoir
Inventor: VOLOKHONSKY L A
IPC: C22B9/193
Filed: 1987-02-27
Abstract: L'INVENTION CONCERNE UN CRISTALLISOIR. SELON L'INVENTION, IL COMPORTE UNE DOUILLE EN CUIVRE 1 MUNIE DE NERVURES DE RIGIDITE 2 EN ACIER ET UNE CHEMISE 3 EN ACIER DISPOSEE COAXIALEMENT PAR RAPPORT A LA DOUILLE 1 ET FORMANT AVEC ELLE UNE CAVITE 4 DE REFROIDISSEMENT DIVISEE EN CANAUX 5 PAR LES NERVURES DE RIGIDITE 2, CES NERVURES 2 PENETRANT DANS LA DOUILLE 1 ET FORMANT AVEC ELLE UN ACCOUPLEMENT BIMETALLIQUE SUIVANT LA SURFACE DE CONTACT. L'INVENTION S'APPLIQUE NOTAMMENT A LA SIDERURGIE.
Patent FR-2613313-A1 (FR)
Title: Jeu de pedalier pour bicyclettes et vehicules similaires
Inventor: BARDON CLAUDIUS
IPC: F16C35/077
Filed: 1987-03-31
Abstract: LE JEU DE PEDALIER SELON L'INVENTION PRESENTE UN ENSEMBLE E1 OU E2 DE GUIDAGE ET DE RETENUE DES BILLES 2 QUI EST DIRECTEMENT ASSEMBLE AVEC L'AXE 1 AVANT MONTAGE DANS UN ALESAGE LISSE B1 D'UNE BOITE DE PEDALIER B, OU LEDIT ENSEMBLE EST POSITIONNE AU MOYEN D'UN OU DEUX CONTRE-ECROUS 5, 6, 10 COOPERANT AVEC LEDIT ALESAGE ET LEDIT ENSEMBLE.
Patent FR-2616405-A1 (FR)
IPC: B62K5/027
Filed: 1987-06-11
Abstract: The tricycle comprises a first 3 and a second 4 rear wheel which are offset laterally on each side of the chassis and mounted on transverse shafts 5, 6 at the rear end of a first 7 and a second 8 trailing lateral arm themselves articulated according to a transverse shaft 9 of the chassis via their front end; connecting rods 13, 19 connect the lateral arms to the ends of a transverse balance arm 18 connected at its middle 24 to the chassis 1 by a compression spring/damper assembly 26, 27 and guidance means.
Patent FR-2606894-A1 (FR)
Title: Appareil de formation d'images et cartouche de traitement pour cet appareil
Inventor: IKEMOTO ISAO
IPC: G03G15/00
Filed: 1987-06-18
Abstract: L'INVENTION CONCERNE UN APPAREIL DE FORMATION D'IMAGES ET UNE CARTOUCHE DE TRAITEMENT DESTINEE A ETRE UTILISEE DANS CET APPAREIL. L'APPAREIL COMPORTE UN ELEMENT 24 DESTINE A GUIDER UNE MATIERE DE REPORT, PAR EXEMPLE UNE FEUILLE DE REPORT, VERS UN POSTE DE REPORT DANS LEQUEL UNE IMAGE FORMEE SUR UN ELEMENT PORTEUR D'IMAGE 1 EST REPORTEE SUR LA FEUILLE. A CET EFFET, L'ELEMENT DE GUIDAGE PEUT SE DEPLACER DANS LA DIRECTION X D'AVANCE DES FEUILLES DE REPORT AINSI QUE DANS UNE DIRECTION Y TRANSVERSALE A LA DIRECTION X. UN POSITIONNEMENT PRECIS EST ASSURE PAR L'ENCLENCHEMENT D'UNE PARTIE 27 DE L'ELEMENT 24 DE GUIDAGE DANS UNE ENCOCHE 30 DE L'ELEMENT 29 DE SUPPORT DU TAMBOUR PHOTOSENSIBLE 1. DOMAINE D'APPLICATION : APPAREILS DE COPIE PAR ELECTROPHOTOGRAPHIE, ETC.
Patent FR-2620078-A1 (FR)
Inventor: MACAIRE ROGER
IPC: B29C35/02
Filed: 1987-09-04
Abstract: 1. A improved process for producing a complex elastic molded structure of the sandwich type, consisting of a core of polyurethane foam (10) surrounded by a skin, of which at least a part is reinforced with a reinforcing textile sheet (5, 6, 18, 22) impregnated with an epoxy resin adhering to said polyurethane foam, which process consists in : - depositing in a mold (1) intended to be closed by a cover (2), adjacent each of the two main inner faces (1, 2) of this mold, a reinforcing assembly comprising a stiffening element (12) and textile sheets (5, 6, 18, 22) impregnated with epoxy resin ; - closing the cover (2) of the mold (1) so as to define together with said assembly a volume corresponding to the volume of the core which is to be formed ; - then, injecting into the volume thus defined a polyol and an isocyanate, which react so as to form the polyurethane foam wich expands and hardens in situ by an exothermic reaction ; - then, allowing the content of the mold (1) to cool ; - and finally, opening the mold to withdraw the resulting elastic complex molded structure, characterized in that the reinforcing textile sheets (5, 6, 18, 22) are pre-impregnated by passing in a bath of solventless epoxy resin, then drying and pre-hardening by maturing at ambient temperature, leading to non-tacky sheets at ambient temperature.
Patent FR-2621461-A1 (FR)
Title: Dispositif de serrage et de fermeture pour chaussure de ski a entree arriere
Inventor: BENOIT LOUIS
IPC: A43B5/04
Filed: 1987-10-08
Abstract: La chaussure comprend une tige formée d'une manchette 4 et d'un capot arrière 5 articulée 3 sur une coque 1. Un dispositif de tenue du pied 6 disposé au niveau de l'avant-pied est mis en oeuvre grâce à un câble de traction unique 8 actionné par le dispositif de fermeture 7 de la tige 4, 5 sur le bas de jambe. L'invention permet l'obtention d'un meilleur positionnement du pied dans la coque 1 tout en mettant en oeuvre simultanément les fonctions de serrage et de fermeture par la manoeuvre d'un organe unique constitué par le dispositif de fermeture 7.
Patent FR-2622596-A1 (FR)
Title: Procede et dispositif de decokage
Inventor: LUMBROSO DANIEL
IPC: C10B33/00
Filed: 1987-10-29
Abstract: L'invention concerne un procédé de cokéfaction de charges d'hydrocarbures opérant dans une batterie de réacteurs de cokéfaction. Elle concerne plus particulièrement l'étape subséquente de récupération du coke après qu'il se soit déposé dans un réacteur de cokéfaction. Ce procédé consiste à faire descendre dans le réacteur 2, à partir d'un tambour de stockage 5 sur lequel il est enroulé, un tube flexible 10 de résistance mécanique suffisante dont l'extrémité inférieure est pourvue de moyens d'éjection d'eau 11 vers le bas et/ou latéralement et dont la descente est contrôlée par le dévidement du tambour et le passage sur un tambour de guidage mobile 13. On fait passer de l'eau sous pression dans le tube et à travers les moyens d'éjection, dans la direction du coke et on évacue les morceaux de coke qui se sont détachés. Le tambour de guidage peut se déplacer latéralement de manière à venir se placer au-dessus de chacun des réacteurs à tour de rôle.
Patent FR-2622869-A1 (FR)
Inventor: VITRAC JEAN-PIERRE
IPC: A45C13/26
Filed: 1987-11-05
Abstract: A handle which can be retracted between a low folded position and a high position comprises a central gripping piece (1), linked to heels (2), (3) by pivoting plates (4), (5) and by intermediate pieces (6), (7). The retractable handle is made of a single piece of injection molded plastic, the hinges being formed by the weakening of the pivoting region. The central gripping part (1) is provided with a label holder (24). Also described are a box file or brief-case fitted with said handle, and a box fitted with a closing system forming a single piece with the handle.
Patent FR-2606379-A1 (FR)
Title: Container made of welded metal wires
Inventor: ZOLI ALBERTO
IPC: B65D21/02
Filed: 1987-11-06
Abstract: The present invention relates to a container made of welded metal wires. The container, comprising a bottom 6 and side walls 4 and 5 fixed in an articulated manner to the upper edges of the bottom, has supports for superimposed stacking with another container in the open or closed configuration. According to the invention, the supports are provided exclusively on the very walls of the containers 2 and 3 and are defined directly by the wires 7, 8, 9, 20 forming the walls 4, 5, thus avoiding the provision of additional elements to the said walls. Application of the said container to the transport and display of products, particularly in hypermarkets.
Patent FR-2623239-A1 (FR)
Title: Self-adjustable air inlet with sound insulation
IPC: E06B7/10
Filed: 1987-11-13
Abstract: Under the deformable closer 10 associated with the exhaust opening 9 of the box 6, 7 a horizontal skin 11 is provided which holds a sound insulation unit 12 which therefore faces the intake opening 8 and ensures effective reduction of external noise without obstructing the passage of air or the functioning of the above-mentioned closer 10.
Patent FR-2623215-A1 (FR)
Title: Device for controlling the displacements of selected threads in a textile machine and machines provided with this device
Inventor: BRACQ JEAN
IPC: D03C3/20
Filed: 1987-11-17
Abstract: The invention relates to a device for controlling the displacements of selected threads in a textile machine, particularly, but not exclusively, in lace machines. It is characterised in that: - each control means comprises a pusher 16 guided in translational movement in a bore 82 which, at its base 83, is connected to a pipe 11 for the supply of pressurised fluid 9, connected to a source 10 of pressurised fluid 9, - interposed on each pipe 11 is one of the valves 13, each provided with their own electrical control circuit 15, - the electrical control circuits 15 are connected to the output of electronic means 14 selecting the needles to be actuated, - interposed on each circuit 15 is a means 17 holding the valve for a time necessary for transmitting the control of the other valves. The method is used in the mechanical construction industry and especially in the textile equipment industry.
Patent FR-2608567-A1 (FR)
Title: Procede et dispositif pour amener un element transporteur en une position donnee
Inventor: GUSTAFSSON LENNART
IPC: B65G1/04
Filed: 1987-12-22
Abstract: PROCEDE ET DISPOSITIF POUR AMENER EN UNE POSITION DONNEE UN ELEMENT PORTEUR DE CHARGES FAISANT PARTIE D'UN VEHICULE DE MANUTENTION A GRANDE HAUTEUR DE LEVEE, DU GENRE DESTINE A TRANSPORTER DES MARCHANDISES DANS UNE INSTALLATION DE STOCKAGE DE GRANDE HAUTEUR, DE PREFERENCE AUTOMATISEE ET COMPORTANT DES STRUCTURES DE RAYONNAGES DIVISEES EN COMPARTIMENTS PORTES PAR DES MONTANTS 20. LA FACE ANTERIEURE DES RAYONNAGES EST MUNIE D'UN SYSTEME COORDONNE DE POINTS DE REPERAGE 23 DONT LES POSITIONS SONT ENREGISTREES ET COMPAREES A CELLES DE POINTS FIXES DE REFERENCE 22 SITUES PRES DU SOL. CES POINTS SONT DETECTES A L'AIDE DE CAPTEURS MONTES SUR LE VEHICULE. LES POSITIONS DETECTEES SONT ENREGISTREES DANS UN ORDINATEUR QUI CALCULE LES DIFFERENCES DE POSITIONS ENTRE UN POINT FIXE DE REFERENCE ET LES POINTS DE REPERAGE SITUES IMMEDIATEMENT AU DESSUS DE CELUI-CI. CES DIFFERENCES DE POSITIONS PEUVENT ETRE UTILISEES POUR DETERMINER LA POSITION REELLE DE CHAQUE COMPARTIMENT EN TENANT COMPTE DES DEFAUTS EVENTUELS D'ALIGNEMENT ET DES DEFORMATIONS OBLIQUES DES STRUCTURES DE RAYONNAGE. LES DIFFERENCES SONT ENREGISTREES DANS LA MEMOIRE DE L'ORDINATEUR, CE QUI PERMET DE FAIRE A TOUT MOMENT VOULU LES OPERATIONS DE MESURE DES DISTANCES.
Patent FR-2625226-A1 (FR)
Title: Cylindre de travail composite bimetallique
Inventor: WERQUIN JEAN-CLAUDE
IPC: C22C38/24
Filed: 1987-12-23
Abstract: L'invention est relative à un cylindre de travail composite bimétallique. Son enveloppe externe de travail est constituée par un alliage contenant du fer, du carbone vanadium, du chrome et du molybdène, le domaine de composition de l'alliage représenté dans un diagramme carbone-vanadium, étant délimité par un quadrilatère dont les côtés sont : a) la ligne d'ordonnée constante V = 3 % en poids; b) la ligne d'abscisse constante C = 3 % en poids; c) la ligne péritectique séparant les domaines des phases delta et gamma; et d) une ligne droite déterminant la teneur en vanadium maximale admissible passant par deux points de coordonnées respectives C = 1,8 % - V = 6 %, et C = 3 % - V = 4,5 %; et son coeur est en fonte nodulaire.
Patent FR-2625762-A1 (FR)
Title: Enclosure, particularly for swimming pool complex
Inventor: PERAUD JEAN-PAUL
IPC: E04H3/16
Filed: 1988-01-13
Abstract: This structure comprises, according to the invention: A) a frame 1 resting on reinforced concrete columns 2 and having at its edge an eaves purlin 3 designed to receive the façade elements; B) a sealing covering system 4 comprising a support element formed from a self-supporting steel trough having a ribbed section, covered successively by insulating panels adhesively bonded to the said trough and with a multi-layer sealing covering fixed to the said panels; C) transparent elevations formed of a framework 5 infilled with walling elements 6, at least some of which are transparent and D) a leisure pool 7.
Patent FR-2626381-A1 (FR)
Title: Guide optique de lumiere
Inventor: DEREPPE MICHEL
IPC: G02B/
Filed: 1988-01-21
Abstract: Guide optique de lumière du type gaine-âme, constitué de polymères transparents et d'indices de réfraction différents, de telle manière que l'indice de réfraction de la gaine soit inférieur à l'indice de réfraction de l'âme, dans lequel l'âme présente une section droite constante allongée, le rapport de la plus grande dimension sur la plus petite dimension de la section étant compris entre 5 et 1000. Le guide optique de lumière peut être réalisé par la technique de coextrusion.
Patent FR-2614492-A1 (FR)
Title: Circuit pourvu d'elements de borne et procede de fabrication de celui-ci
Inventor: RISTEDT RAYMOND DALE
IPC: H01R12/62
Filed: 1988-04-07
Abstract: CIRCUIT FLEXIBLE AYANT DES ELEMENTS DE BORNE INCORPORES ET FAISANT PARTIE INTEGRANTE DE CELUI-CI, ET PROCEDE DE FABRICATION DE CE CIRCUIT. CONFORMEMENT AU PROCEDE DE FABRICATION DE LA PRESENTE INVENTION, LA PARTIE TERMINALE D'UN CIRCUIT FLEXIBLE DE CONSTRUCTION NORMALE (C'EST-A-DIRE AVEC DES PISTES CONDUCTRICES 14 COMPRISES ENTRE UN SUBSTRAT DE BASE FLEXIBLE 12 ET UNE PELLICULE DE RECOUVREMENT FLEXIBLE 18 EST REPLIEE SUR ELLE-MEME FREQUEMMENT AVEC UNE COUCHE D'ESPACEMENT 36 MAINTENUE DANS LE PLI, ET EST ASSEMBLEE PAR COLLAGE. CET ASSEMBLAGE STRATIFIE A UNE EPAISSEUR EGALE A CELLE REQUISE POUR OBTENIR DES BROCHES DE CONNECTEUR FIABLES. ENSUITE, UNE PETITE SECTION DE CETTE PARTIE D'EXTREMITE REPLIEE A AU MOINS LA PELLICULE DE RECOUVREMENT NON CONDUCTRICE EXTERIEURE QUI EST ENLEVEE, DE PREFERENCE PAR DES TECHNIQUES LASER, AFIN DE DENUDER PLUSIEURS BROCHES OU DOIGTS DE CONNECTEUR 14A. LES DOIGTS DE CONNECTEUR 14A AURONT L'EPAISSEUR, LA LARGEUR ET LA FORME DESIREES POUR PERMETTRE LEUR INSERTION DIRECTE DANS UN COMPOSANT CORRESPONDANT (PAR EXEMPLE, LES TROUS DE PART EN PART D'UNE PLAQUE A CIRCUIT RIGIDE OU FLEXIBLE, OU BIEN ENCORE UN RECEPTACLE TEL QU'UN CONNECTEUR FEMELLE). LES DOIGTS 14A SONT, DE PREFERENCE, REVETUS DE SOUDURE POUR QUE LE CIRCUIT FLEXIBLE PROPRE A LA PRESENTE INVENTION PUISSE ETRE FIXE EN UTILISANT LES TECHNIQUES ORDINAIRES DE SOUDURE A REFLUX.
Patent FR-2631340-A1 (FR)
Inventor: MULHAUSER MICHEL
IPC: C07D327/10
Filed: 1988-05-16
Abstract: Process for the preparation of a cyclic sulphate of general formula (I) by rapid reaction at a temperature of between 150 and 250 DEG C of concentrated sulphuric acid with a glycol of general formula (II). <??>In the general formulae (I) and (II), R1, R2, R3, R4, R5 and R6, which are identical or different, denote hydrogen, halogen, alkyl, alkoxy, aryl, aryloxy or alkoxycarbonyl and n is equal to 0 or 1.