baber/WOPTO huggingface dataset:
Patent FR-2595979-A1 (FR)
Title: Recipient thermodurci a plusieurs couches
Inventor: JABARIN SALEH A
IPC: B65D1/00
Filed: 1987-03-19
Abstract: L'INVENTION A POUR OBJET UN ARTICLE A PLUSIEURS COUCHES THERMODURCI, RESISTANT A LA DESOLIDARISATION DES COUCHES, TRANSPARENT ET CREUX, CET ARTICLE COMPORTANT AU MOINS UNE COUCHE IMPERMEABLE, CONTENANT UN COPOLYESTER FORME A PARTIR D'ACIDE TEREPHTALIQUE, D'ETHYLENE-GLYCOL ET DE 1,3-BIS-(2-HYDROXYETHOXY)-BENZENE, COLLEE DIRECTEMENT A AU MOINS UNE COUCHE CONTENANT DU POLY (TEREPHTALATE D'ETHYLENE) (PET). LES ARTICLES A PLUSIEURS COUCHES SONT MOULES PAR SOUFFLAGE, AVEC UN PROCEDE DE THERMODURCISSEMENT. LES ARTICLES A PLUSIEURS COUCHES THERMODURCIS CONSERVENT LEURS PROPRIETES DE HAUTE IMPERMEABILITE AUX GAZ, UNE EPAISSEUR UNIFORME DES COUCHES ET DES PROPRIETES DE RESISTANCE MECANIQUE SOUHAITABLES, MEME APRES LE PROCEDE DE THERMODURCISSEMENT. DE PLUS, LES ARTICLES A PLUSIEURS COUCHES THERMODURCIS ONT UNE EXCELLENTE ADHERENCE ENTRE COUCHES SANS QUE LA PRESENCE D'UNE COUCHE ADHESIVE SOIT NECESSAIRE, UNE STABILITE THERMIQUE ELEVEE, ET DEMEURENT OPTIQUEMENT TRANSPARENTS APRES LE PROCEDE DE THERMODURCISSEMENT.
Patent FR-2615482-A1 (FR)
Title: Stackable and handleable cardboard box
Inventor: BAULIEU DENIS
IPC: B65D5/66
Filed: 1987-05-19
Abstract: The invention relates to a stackable and handleable cardboard box which can serve, in particular, for the packaging and/or transport of heavy objects in which the lower flaps 7a, 7b have a height H1, perpendicular to and starting from their folding line 12a, 12b, such that they entirely cover the bottom 2, the upper flaps 9a, 9b have a height H2, perpendicular to and starting form their folding line 13a, 13b, such that they extend as far as the lower flaps 7a, 7b folded on the bottom 2; the side flaps 8a, 8b have a height H3, perpendicular to and starting from their folding line 14a, 14b, and a height H4 parallel to their folding line 14a,14b such that they entirely cover the lateral sides 3a, 3b, in such a way that the bottom is doubled by the lower flaps 7a, 7b and that the lateral sides 3a,3b are reinforced on the one hand by the side flaps 8a, 8b and on the other hand by the upper flaps 9a, 9b.
Patent FR-2619572-A1 (FR)
Title: Method of automated operation of a reformer
Inventor: MARTENS ANDRE
IPC: G01N21/35
Filed: 1987-08-18
Abstract: Computer-assisted method of operation of a catalytic reformer, consisting in measuring with the aid of a near-infrared spectrophotometer the spectrum of the feed cut and the differential absorption spectrum between the feed cut and the leaving cut in the spectrum region from 12500 to 3840 cm<-1> (0.8 to 2.6 microns) at a certain number of chosen frequencies, and in calculating the values of the initial octane number and of the octane gain by the application of correlating relationships with the measured values of absorbance D and of differential spectrum DD, these correlations being determined experimentally by multivariate regression.
Patent FR-2605625-A1 (FR)
Title: Materiau a base de nitrure de silicium ayant une resistance amelioree aux temperatures elevees
Inventor: YECKLEY RUSSELL L
IPC: C04B35/584
Filed: 1987-09-18
Abstract: LE MATERIAU EST FORME POUR AU MOINS TROIS CINQUIEMES D'UNE FRACTION ATOMIQUE DE NITRURE DE SILICIUM, ENTRE 1 ET 5 D'UN OXYDE DE TERRE RARE, AU MAXIMUM 1 DE SILICE TEL QUE DETERMINE PAR DIFFRACTION DES RAYONS X, ET AU MAXIMUM 0,5 D'ALUMINE, TEL QUE DETERMINE PAR ANALYSE CHIMIQUE. LA RESISTANCE A LA FLEXION EST D'AU MOINS 525 MPA, TEL QUE MESUREE A 1370 C.
Patent FR-2622260-A1 (FR)
Title: Cable-control device intended to be mounted on a partition such as a vehicle bulkhead for example
Inventor: CARUEL MICHEL
IPC: F16C1/22
Filed: 1987-10-23
Abstract: The present invention relates to a cable-control device. This device comprises a body essentially consisting of a sleeve 2 provided with a part 12 allowing it to be clipped by being pushed into a partition 13, whereas the cable 1 includes an end-fitting 5 mounted slidingly and retained in an element 4 mounted detachably on the sleeve 2 to allow, on the one hand, in the mounted position of the element 4 in the sleeve 2, the sleeve 2/end-fitting 5 assembly to be clipped onto the partition 13 and, on the other hand, the end-fitting 5 to be detached from the sleeve 2 under the effect of actuating a pedal 14 connected to the end-fitting 5. This device applies particularly to the control of a vehicle accelerator cable.
Patent FR-2607651-A1 (FR)
Title: Supply circuit for ultrasonic tartar removal instrument
Inventor: SCHMID GERHARD
IPC: B06B1/08
Filed: 1987-11-02
Abstract: The supply circuit has a control device (7) supplying voltage pulses to the energising coil (1) of a magnetostrictive transducer at a pulse rate selected to independence on the transducer resonance frequency. At the beginning of the operating cycle the energising pulses are supplied at different rates, with the current monitored to detect the pulse rate corresponding to the resonance of the magnetostrictive transducer, with subsequent operation of the energising coil (1) at this pulse rate. Pref. the variation in the pulse rate is effected in small increments.
Patent FR-2628618-A1 (FR)
Title: Bed stored in cupboard and moved by cable - has rollers on end of bed moving along track joined to cupboard and rollers under bed
IPC: A47C17/58
Filed: 1987-11-10
Abstract: The end of the bed (3) is articulated and is stored in a cupboard (1). It has rollers (6) near the its top end which move along tracks (4) on the cupboard which are inclined from the floor towards the back (5) and are then vertical. Rollers (25), fixed to a drawer (8), move the bed along the floor and retract for storage. The bed is moved out or into the cupboard by a cable (10) which runs over a pulley (11) at the top of the cupboard. The upper end of the cable is joined to a lever (12) which pivots on an axle (15). USE - The bed is stored in a cupboard and is easily moved.
Patent FR-2624010-A1 (FR)
Title: Compositions topiques heterogenes a base de microgranules de cafeine et/ou de ses derives, utiles comme amincissant et/ou dans le traitement de la cellulite, ainsi que leur preparation
Inventor: TREBOSC MARIE-THERESE
IPC: A61K9/06
Filed: 1987-12-07
Abstract: La composition topique hétérogène, selon l'invention, utile comme amincissant et/ou dans le traitement de la cellulite, est caractérisée en ce qu'elle comporte à titre de principes actifs de la caféine et/ou l'un de ses dérivés, lesdits principes actifs étant présents sous la forme de microgranules ou de microparticules en suspension au sein d'un gel hydroalcoolique.
Patent FR-2625075-A1 (FR)
Title: Hearth, particularly open air hearth to be built in
IPC: A21B1/04
Filed: 1987-12-23
Abstract: Hearth consisting of an enclosure 1 forming a base 6 which is partly used as a cooking zone 7 in the vicinity of which combustion takes place, and a vault 13 provided with an inlet 2 facing the cooking zone 7 and of a chimney 4. A single combustion zone 9 is provided in the vicinity of the cooking zone 7, the vault 13 forming a half-dome 14 over this combustion zone 9 whilst its walls 11, 12 close to the cooking zone 7 are slightly inclined inwards. The enclosure 1 is a multi-layer single-shell body which comprises a refractory internal layer 15, a fibrous expansion intermediate layer 16, and an insulating external layer 17.
Patent WO-8904139-A1 (WO)
Inventor: GIET FRANCIS
IPC: A61B3/12
Filed: 1988-11-09
Abstract: Un appareil pour l'examen des yeux par iriscopie et/ou irigraphie comprend des moyens support (4) d'un reposoir (1) pour l'appui facial d'un patient, des moyens de réception d'un dispositif d'observation iriscopique et/ou irigraphique (2, 3), des moyens de réglage en hauteur (11), en translation latérale (43) et en profondeur (39) desdits moyens de réception par rapport auxdits moyens supports, dans une position où le dispositif d'observation est horizontalement parallèle au reposoir, des moyens d'éclairage des yeux du patient comportant deux dispositifs d'éclairage symétriques (13, 14), montés séparément sur chacun des deux montants latéraux (54, 55) solidaires dudit reposoir, lesdits dispositifs d'éclairage étant réglables individuellement en hauteur et en rotation sur lesdits montants.
Patent FR-2625894-A1 (FR)
Title: Nut cracker
IPC: A47J43/26
Filed: 1988-01-19
Abstract: Dining room tongs serving to crack walnuts, hazelnuts, almonds. The present invention consists of a pair of tongs of a pleasant and original shape allowing the shells of walnuts, hazelnuts and almonds to be cracked easily, without danger or effort, in order to eat them. These tongs are formed of a moving jaw E and a fixed jaw A which are adjustable to the size of the nut. Using mechanical gearing-down in the casing B, started by acting on the handles M and F, the jaws crush the nut N in steps of 4 to 5 mm for each total closing of the handles. When the shell of the nut cracks, the jaws stay in position, preventing the nut from being crushed and also fingers from being pinched.
Patent FR-2627370-A1 (FR)
Title: Portable hearth with hinged fireback for grilling food - is fixed to back of tank supporting grate with grill supported by fireback and side plates
IPC: A47J37/07
Filed: 1988-02-18
Abstract: The hearth has a tank (1) whose sides (3) and back (4) are extended by turned up edges (5). A metal plate, forming the fireback, is articulated on the back edge. Its lateral edges (10) are bent round (11) and side plates (13) are articulated on these. The plate's lower edges hold the removable grate (16). Rods (20,22) with notches in them are fixed to the side and back plates to hold the grill (19) at different heights. When the hearth is folded the grate and grill are put inside the tank and a flap (25), on top (24) of the fireback, closes the tank's open front (27). USE/ADVANTAGE - The hearth is for grilling food and is transportable.
Patent FR-2611364-A1 (FR)
Title: Derives de la piperidine, compositions de matieres organiques contenant ces derives, et leur emploi pour proteger des matieres organiques
Inventor: CANTATORE GIUSEPPE
IPC: C08L23/00
Filed: 1988-02-25
Abstract: IL S'AGIT DES COMPOSES DE FORMULE : (CF DESSIN DANS BOPI) DANS LAQUELLE N1 OU 2, R REPRESENTE L'HYDROGENE, O, NO, UN CYANOMETHYLE, UN ALKYLE, UN ALCENYLE OU UN ALCYNYLE, UN BENZYLE, UN ACYLE OU UN HYDROXYALKYLE, R L'HYDROGENE, UN ALKYLE OU UN PHENYLE, R UN GROUPE (CF DESSIN DANS BOPI) R AYANT LA MEME SIGNIFICATION QUE R, R EST UN GROUPE -COOR OU -CN ET R PEUT AVOIR DES SIGNIFICATIONS DIVERSES SUIVANT QUE N1 OU 2 ET QUE R EST LE GROUPE -CN. CES COMPOSES STABILISENT DES MATIERES ORGANIQUES CONTRE LES DEGRADATIONS PROVOQUEES PAR L'OXYDATION, LA CHALEUR ET LA LUMIERE.
Patent FR-2627792-A1 (FR)
Title: Stand structure for sports stadium - has reinforced concrete portal structures spaced along length of stand, supporting stepped terraces and suspended roof stanchions
Inventor: MAHAUD PATRICK
IPC: E04H3/12
Filed: 1988-02-26
Abstract: The structure has reinforced concrete terraces (1a,b) for spectator accommodation, with a roof structure formed above them.  The terraces are supported by reinforced concrete portal structures (3a,b; 4) spaced at intervals along their length and with their cross-beams inclined at approx. 45 deg. Each portal structure supports a metal mast (5) extending upwardly with a slight inclination, and secured by a rigid stay (7).  The mast supports a metal beam (10), with a second rigid stay (11), on which the roof structure is formed by metal cross-beams (9) and panels (8). ADVANTAGE - Simple, rapid modular construction.
Patent FR-2628936-A1 (FR)
Title: Flexible connector for plant stem - comprises slidable cylindrical sleeve with weak plant-retaining spring component, fitting over vertical plant training post
IPC: A01G9/12
Filed: 1988-03-22
Abstract: The connector consists of a sleeve (01) which is fitted over the plant training pole (04) to be vertically slidable up and down. A vertical tongue (03) is cut out of the sleeve or attached to its lower end to form an elastic biassing member. This member retains a spring component (06,07) permanently against the sleeve. The spring has a large-diameter, flexible winding to surround a plant stem without restriction or damage. ADVANTAGE - Simple height adjustment to correspond to plant growth. (5pp Dwg.No.5/6)
Patent FR-2629907-A1 (FR)
Title: Improvements to heat exchangers
Inventor: NOCTURNE PHILIPPE ALBERT JEAN
IPC: F24H1/28
Filed: 1988-04-06
Abstract: This device, for preventing condensation on the elements of a heat exchanger separating two fluids, comprises at least one panelling unit 8, defining in immediate proximity to an exchange surface of the said elements at least one small gap 9, which is open at at least one end, into which a small volume of one of the fluids enters and flows slowly.
Patent FR-2613933-A1 (FR)
Title: Procede de preparation de capsules de gelatine molle de stabilite elevee
Inventor: ZAMBO ISTVAN
IPC: A61K36/8962
Filed: 1988-04-15
Abstract: LA PRESENTE INVENTION EST RELATIVE A UN PROCEDE DE PREPARATION DE CAPSULES DE GELATINE MOLLE DE STABILITE ELEVEE. CE PROCEDE SE CARACTERISE EN CE QU'ON REGLE A UNE VALEUR COMPRISE ENTRE 0,3 ET 4,5 LA TENEUR DE L'HUILE EN ACIDES GRAS (INDICE D'ACIDE) PAR ADDITION D'UNE HUILE PRESENTANT UN AUTRE INDICE D'ACIDE D'ORIGINE IDENTIQUE OU DIFFERENTE, DONT L'INDICE D'ACIDE EST INFERIEUR A 4,5, PUIS EN CE QU'ON VERSE L'HUILE DE FACON CONNUE DANS DES CAPSULES DE GELATINE MOLLE QUI CONTIENNENT LE CAS ECHEANT, DE 1 A 10 EN MASSE D'AROMES DANS LA GELATINE.
Patent FR-2631816-A1 (FR)
Title: Device for fitting stretchers in an ambulance
Inventor: SOULIER GUY
IPC: A61G1/06
Filed: 1988-05-24
Abstract: Device for fitting stretchers in a vehicle, characterised in that it comprises two posts 2 arranged at each end of the stretchers, and each having a slideway 3 in which move two sliding systems 4 and 5 each supporting a table 6, the said sliding systems 4, 5 being actuated by an operating system and interacting with locking and stop means, so that, first of all, if the lower sliding system 4 is locked in the bottom position, the upper sliding system 5 is moved until it abuts and is locked in the top position, and in that, next, the lower sliding system 4 is unlocked and comes into the middle position.
Patent FR-2617413-A1 (FR)
Title: Coiffe pour recouvrir de tous cotes les corps porteurs d'un rotor de concasseur a marteaux
Inventor: HAUSLER DIETRICH
IPC: B02C13/26
Filed: 1988-07-01
Abstract: Coiffe pour recouvrir de tous côtés les corps porteurs d'un rotor de concasseur à marteaux. La coiffe 1 présente un jeu 3 entre ses parois latérales 4 et l'axe 5 de pivotement d'un marteau; des ouvertures 10, ménagées dans les parois transversales 8, 9 de la coiffe, logent un élément 11 de fixation de la coiffe sur le corps porteur 2. La surface plane interne 8' de la paroi transversale 8 avant et la surface interne plane 9' de la paroi transversale arrière 9 sont inclinées, d'un même angle (alpha) symétriquement sur le plan E passant par l'axe 5 de marteau et par l'axe A de rotation du rotor. Une cale 7 est montée entre la surface 9' et la surface parallèle 2'' d'appui du corps porteur 2. Application : pièces d'usure, la coiffe protège les marteaux.
Patent FR-2633939-A1 (FR)
Inventor: FAYOLLE FRANCOISE
IPC: C12P7/52
Filed: 1988-07-06
Abstract: A process is described for producing, in a reaction zone, a mixture of organic acids or of the corresponding salts containing a major proportion of n-butyric acid or of its corresponding salt, by fermenting an initial reaction mixture containing a sugar substrate in the presence of at least one strain belonging to the Clostridium species. According to the invention the following stages are carried out: a) the strain is fed with the substrate at an initial concentration of between 1 and 80 g of substrate per litre of initial reaction medium, b) the substrate concentration is allowed to decrease by at least 20% of its initial value and to a value such that it is between 0 and 30 g of substrate per litre of initial reaction medium, c) the strain is fed with the said substrate at a rate of between 0.01 and 25 g per litre of initial reaction medium and per hour and such that the residual concentration of the said substrate during the feeding period is not more than 80 g/l of initial reaction medium, and d) the mixture of acids or of salts thus produced is recovered. o
Patent FR-2633976-A1 (FR)
Title: Interchangeable filling, prelubrication, filtering and oil change device for combustion engines
IPC: F01M11/03
Filed: 1988-07-08
Abstract: The invention relates to a two-part device of which one part, a fixed part, provides the hydraulic and electrical connections between the engine and the removable part which is in the form of a cartridge 1 containing an electric pump, a rotary distributor, a filter and a tank, these elements providing the supply of clean oil, prelubrication before each starting, permanent filtration, and finally recovery of the used oil; the cartridge is then unlocked and replaced by another recycled cartridge.
Patent FR-2619536-A1 (FR)
Title: Dispositif de cadre pour toit de vehicule
Inventor: SCHLEICHER BERND
IPC: B60J7/02
Filed: 1988-07-19
Abstract: Dispositif de cadre pour un toit de véhicule, caractérisé par une garniture de guidage qui est susceptible d'être introduite dans des cavités correspondantes 2a du cadre 2, qui s'étend en une partie, sur les parties latérales 4 et le côté avant 5 du cadre, qui forme, dans la zone des parties latérales 4, au moins une partie du canal de guidage de câble 11 et au moins une surface de glissement 9 des pistes de guidage 10, pour l'élément de guidage 19.
Patent FR-2620168-A1 (FR)
Title: Procede et dispositif pour eliminer par combustion de la suie deposee sur un filtre de gaz d'echappement
Inventor: ERDMANNSDOERFER HANS
IPC: F01N3/029
Filed: 1988-09-05
Abstract: a) Procédé et dispositif pour éliminer par combustion de la suie déposée sur un filtre de gaz d'échappement, b) Procédé caractérisé en ce qu'on utilise un complexant organique susceptible de former un complexe avec le métal et/ou un complexe composé organo-métallique du métal avec le complexant organique, et dispositif caractérisé en ce que le filtre comporte au moins deux unités de filtrage 1, susceptibles d'être au moins temporairement exploitées séparément et régénérées séparément et qui, de préférence, sont réalisées de façon à pouvoir être mises hors de contact de l'écoulement des gaz d'échappement, c) L'invention concerne les procédé et dispositif pour éliminer par combustion de la suie déposée sur un filtre de gaz d'échappement.
Patent FR-2643442-A1 (FR)
Title: Fluorescent hand lamps
Inventor: PARLATORE ROGER
IPC: F21L14/02
Filed: 1989-02-21
Abstract: The invention relates to a hand lamp of the type comprising, for accommodating the ballast necessary for utilising its fluorescent lamp 10, a separate casing 21, interposed on the electrical cable 12 making it possible to connect this lamp onto the current supply socket. According to the invention, this casing 21 comprises, inset and accessible from the outside, a volume 25 suitable for storing at least part of the electrical cable 12 and, in practice, all of it. Application to fluorescent hand lamps.
Patent FR-2646343-A1 (FR)
IPC: A61B19/00
Filed: 1989-04-27
Abstract: PCT No. PCT/FR90/00291 Sec. 371 Date Dec. 13, 1990 Sec. 102(e) Date Dec. 13, 1990 PCT Filed Apr. 25, 1990 PCT Pub. No. WO90/12551 PCT Pub. Date Nov. 1, 1990.The present invention relates to a rotator cuff reinforcement device for surgical implantation to a shoulder of a person, including a strip having a rear heel for fixation to at least one of a trochiter and a tendinous mass of a rotator cuff, the strip having a linear extension or divergent legs from the heel defining opposite end(s) for fixation to respective tendon(s) of such a rotator cuff.
Patent FR-2647975-A1 (FR)
Title: Dispositif d'ondulateur helicoidal a aimants permanents pour application aux lasers a electrons libres
Inventor: HARTEMANN FREDERIC
IPC: H01F7/02
Filed: 1989-05-30
Abstract: L'invention a pour objet un ensemble magnétique réalisant un champ hélicodal d'amplitude variable selon l'axe de l'hélice utilisant des aimants permanents. Le dispositif selon l'invention peut être utilisé comme onduleur à introduction adiabatique pour application aux lasers à électrons libres, et présente pour cet usage des avantages de simplicité de réalisation et de mise en oeuvre.
Patent FR-2648534-A1 (FR)
Title: Sealing device for a non-return valve
Inventor: RAGER PIERRE
IPC: F16K15/06
Filed: 1989-06-14
Abstract: Sealing device for a fixed member 1 mounted in a housing 18 and pierced with an orifice acting as a seat for a movable member 2 in which an annular sealing gasket 3, fixed to the fixed member, exhibits at an internal radial face, means 23 for sealing between the fixed member 1 and the movable member 2 and, at an external radial face, means 24 for sealing between the fixed member 1 and its housing 18. Application to a non-return valve.
Patent FR-2653277-A1 (FR)
Title: Circuit integre logique, a temps de basculement reglable.
Inventor: JOSE-MARIA GOBI
IPC: H01L27/118
Filed: 1989-10-17
Abstract: L'invention concerne un circuit intégré logique dont le temps de basculement entre deux états logiques 0 et 1 est réglable. Dans une porte logique telle qu'un inverseur (7+8), le temps de basculement, sur la sortie (S), est fonction du courant débité par le transistor de charge (8) ou par le transistor de signal (7). Ce temps est réglable, soit en temps de montée, soit en temps de descente, en remplaçant au moins un transistor monodrain par un transistor multidrains (7), dont le débit est fixé par le nombre de drains connectés. Application aux circuits prédiffusés (Si) ou préimplantés (GaAs).
Patent FR-2637695-A1 (FR)
Title: Pressure pulse generator, in particular for seismic exploration
Inventor: WINBOW GRAHAM ARTHUR
IPC: G01V1/137
Filed: 1989-11-02
Abstract: The invention relates to a pressure pulse generator. It comprises a valve body 36 with one opening and at least two orifices communicating with the opening, one of which is an inlet orifice 37 connected to a pressurised fluid source, the other being an outlet orifice connected to a pipe in which the pressure pulses are to be generated; a valve cylinder (drum) 45 having at least one opening placed between the inlet orifice and the outlet orifice, and capable of rotating from a first position, in which the opening of the cylinder (drum) allows communication between the inlet and outlet orifices, to a second position in which the communication is at least partially blocked, the rotation of the rotor 46 thus creating pressure pulses in the pipe. Application to seismic prospecting.
Patent FR-2655192-A1 (FR)
Title: Anode pour tube a rayons x a corps de base composite.
Inventor: JEAN-MARIE PENATO
IPC: H01J35/10
Filed: 1989-11-28
Abstract: L'invention concerne les tubes à rayons X et, plus particulièrement dans de tels tubes, les anodes tournantes. L'anode pour tube à rayons X selon l'invention comporte un corps de base ou substrat (9) sur lequel une cible est formée par une couche (8) de matériau cible et est caractérisée en ce que le corps de base (9) comprend au moins deux parties (11, 12) qui sont constituées par un premier matériau reliées entre elles par une couche (13) d'un second matériau présentant une plasticité supérieure au premier matériau.
Patent FR-2658122-A1 (FR)
Title: Machine for printing or varnishing sheets, more particularly metal sheets
Inventor: JEAN-CLAUDE GLAIN
IPC: B65H9/10
Filed: 1990-02-13
Abstract: Machine for printing or varnishing sheets, with rapid margin adjustment. According to the invention, the readjustment of the position of the reference stop (25) of such a sheet (20) is effected by controlling the movement of an adjustable stop (40) mounted on the support (30) of the said reference stop. Application to printing or varnishing metal sheets.