FR2674150A1 - Installation for the lubrication of metal sheets for stamping (deep drawing) - Google Patents

Installation for the lubrication of metal sheets for stamping (deep drawing) Download PDF

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Publication number
FR2674150A1
FR2674150A1 FR9103598A FR9103598A FR2674150A1 FR 2674150 A1 FR2674150 A1 FR 2674150A1 FR 9103598 A FR9103598 A FR 9103598A FR 9103598 A FR9103598 A FR 9103598A FR 2674150 A1 FR2674150 A1 FR 2674150A1
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France
Prior art keywords
rollers
installation
frame
elements
hand
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Granted
Application number
FR9103598A
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French (fr)
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FR2674150B3 (en
Inventor
Vallet Gerard
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Individual
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Individual
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Priority to FR9103598A priority Critical patent/FR2674150B3/en
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Publication of FR2674150B3 publication Critical patent/FR2674150B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239Lubricating
    • B21B45/0245Lubricating devices
    • B21B45/0248Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/10Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/04Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/18Lubricating, e.g. lubricating tool and workpiece simultaneously

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

This installation for the lubrication of metal sheets for stamping is of the type included two parallel stacked rollers (rolls) (13a-13b) which are mounted so as to rotate freely in a stand (frame), and means supplying oil at least to the tubular coating felt which surrounds each of these rollers. According to the invention, its stand is C-shaped and is composed of two elements (2-3) carrying, in their connection area, on the one hand, spring means (12) tending to move them apart elastically in opposition to the action of a transverse screw (6) which is screwed into one and bears on the other, and, on the other hand, reciprocal means (4-5) for guiding in transverse translational movement, each of these two elements (2-3) carrying, outside this connection area, and as far as its free end, the retention means (24-25), the guiding means (17-18) and the supply means (20-21) for the corresponding rollers.

Description

"Installation pour la lubrification de tôles pour l'emboutissage". "Installation for the lubrication of sheet metal for stamping".

Dans l'industrie de l'emboutissage, pour faciliter le déplacement, la déformation ou le poinçonnage d'une tôle livrée en rouleau ou bande, il est connu d'enduire au moins l'une des faces de cette tôle par une couche d'huile déposée par un banc de lubrification. In the stamping industry, to facilitate the movement, deformation or punching of a sheet delivered in a roll or strip, it is known to coat at least one of the faces of this sheet with a layer of oil deposited by a lubrication bench.

Généralement, ce banc est composé de deux rouleaux horizontaux superposés, montés libres en rotation dans un bâti et porteurs, chacun, d'un feutre périphérique d'enduction, alimenté en huile par des rampes appropriées. Generally, this bench is composed of two superimposed horizontal rollers, mounted free to rotate in a frame and each carrying a peripheral coating felt, supplied with oil by suitable ramps.

Dans les appareils actuels, le bâti est en forme de portique, c'est à dire est fermé latéralement de part et d'autre de la trajectoire de déplacement de la tôle passant entre les rouleaux. Cette construction nécessite, soit lors du changement de la bande de tôle, soit lors du remplacement du feutre, de procéder à un démontage complet du banc. Cette opération est d'autant plus longue que, après remontage, il faut régler le serrage des ressorts rapprochant les rouleaux entre eux et assurant le serrage de la tôle. In current devices, the frame is in the form of a gantry, that is to say is closed laterally on either side of the trajectory of movement of the sheet passing between the rollers. This construction requires, either when changing the sheet metal strip, or when replacing the felt, to completely dismantle the bench. This operation is all the longer since, after reassembly, it is necessary to adjust the tightening of the springs bringing the rollers together and ensuring the tightening of the sheet.

La présente invention a pour but de fournir une installation du type précitée qui remédie à ces inconvénients et permette de remplacer la bande de tôle et de remplacer les feutres d'enduction, de manière rapide et sans besoin de réglage. The object of the present invention is to provide an installation of the aforementioned type which overcomes these drawbacks and allows the sheet metal strip to be replaced and the coating felts to be replaced quickly and without the need for adjustment.

A cet effet, le bâti de l'installation est en forme de C et est composé de deux éléments comportant, dans leur zone de liaison, d'une part, des moyens à ressort tendant à les écarter élastiquement à l'encontre de l'action d'une vis transversale se vissant dans l'un et prenant appui sur l'autre élément, et, d'autre part, des moyens réciproques de guidage en translation transversale, chacun de ces deux éléments portant, hors de cette zone de liaison et jusqu'à son extrémité libre, les moyens de maintien, les moyens de guidage et les moyens d'alimentation du rouleau correspondant. For this purpose, the frame of the installation is C-shaped and is composed of two elements comprising, in their connection zone, on the one hand, spring means tending to spread them elastically against the action of a transverse screw screwing into one and bearing on the other element, and, on the other hand, reciprocal means of guiding in transverse translation, each of these two elements bearing, outside this connection zone and up to its free end, the holding means, the guide means and the means for feeding the corresponding roller.

Grâce à sa structure, l'installation peut aisément être amenée de sa position de fonctionnement normal, dans laquelle ses deux rouleaux prennent appui de part et d'autre de la tôle dont il faut assurer la lubrification, à une position de préparation, dans laquelle les deux rouleaux sont écartés d'une quantité suffisante pour ne plus exercer de frottement sur la tôle disposée entre eux. Dans cette dernière position, la tôle peut être aisément extraite de l'appareil ou au contraire introduite latéralement dans l'appareil. Thanks to its structure, the installation can easily be brought from its normal operating position, in which its two rollers bear on either side of the sheet metal for which lubrication is required, to a preparation position, in which the two rollers are separated by an amount sufficient to no longer exert friction on the sheet placed between them. In the latter position, the sheet can be easily removed from the device or, on the contrary, inserted laterally into the device.

Ces opérations de rapprochement et d'éloignement des deux éléments du bâti sont assurées par l'ensemble vis de commande-moyens à ressort agissant sur leurs zones de liaison.  These operations of bringing the two elements of the frame together and away are carried out by the control screw-spring means assembly acting on their connection zones.

D'autres caractéristiques et avantages ressortiront de la description qui suit en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de cette installation. Other characteristics and advantages will emerge from the description which follows with reference to the appended diagrammatic drawing representing, by way of nonlimiting example, an embodiment of this installation.

Figure 1 en est une vue de côté en élévation,
Figure 2 en est une vue de côté en coupe transversale,
Figures 3 et 4 sont des vues en coupe suivant, respectivement, III-III et IV-IV de figure 2.
Figure 1 is a side view in elevation,
Figure 2 is a side view in cross section,
Figures 3 and 4 are sectional views along, respectively, III-III and IV-IV of Figure 2.

Comme le montrent les figures 1 et 2, le bâti de cette installation est en forme de C, c'est à dire est composée d'un élément supérieur 2 et d'un élément inférieur 3, dont les zones de liaison sont disposées d'un côté, à savoir sur le côté gauche aux figures 1 et 2, de manière à posséder deux branches libres portant des rouleaux d'enduction. As shown in Figures 1 and 2, the frame of this installation is C-shaped, that is to say is composed of an upper element 2 and a lower element 3, the connecting zones of which are arranged one side, namely on the left side in Figures 1 and 2, so as to have two free arms carrying coating rollers.

Dans leur zone de liaison, les deux éléments sont guidés en translation verticale par des colonnes de guidage cylindrique 4, solidaires de l'un d'eux, et coulissant librement dans des alésages 5 de l'autre. Ils sont espacés l'un de l'autre par un intervalle e, visible à la figure 2, et sont reliés par une vis verticale 6 se vissant dans un alésage fileté 7 de l'élément inférieur et prenant appui, par sa tête 8, sur la face supérieure de l'élément supérieur 2. In their connection zone, the two elements are guided in vertical translation by cylindrical guide columns 4, integral with one of them, and sliding freely in bores 5 on the other. They are spaced from each other by an interval e, visible in FIG. 2, and are connected by a vertical screw 6 screwed into a threaded bore 7 of the lower element and supported by its head 8, on the upper face of the upper element 2.

Cette vis traverse l'élément 2 par un alésage 9 coaxial à un alésage borgne 10 débouchant vers le bas. Ce dernier alésage constitue logement pour un ressort de rappel 12, disposé autour de la vis 10 et tendant à rappeler constamment vers le haut l'élément supérieur 2.This screw passes through the element 2 by a bore 9 coaxial with a blind bore 10 opening downwards. This latter bore constitutes housing for a return spring 12, disposed around the screw 10 and tending to constantly return the upper element 2 upwards.

Chacun des élements 2 et 3 du bâti comporte, hos de cette zone de liaison et jusqu'à son autre extrémité, à savoir l'extrémité située à droite aux figures 1 et 2, les moyens assurant le guidage en rotation, le maintien et l'alimentation en huile des rouleaux. Each of the elements 2 and 3 of the frame comprises, hos of this connection zone and up to its other end, namely the end situated on the right in FIGS. 1 and 2, the means ensuring the guiding in rotation, the maintenance and the oil supply to the rollers.

Dans la forme d'exécution représentée, chacun des rouleaux, respectivement, supérieur 13a et inférieur 13b, est composé d'une virole périphérique 14 perforée en 15 et enveloppée par un feutre tubulaire 16. Cette virole est montée libre en rotation, par des roulements à billes 17 disposés à ses extrémités, par rapport à un arbre central fixe 18. Chaque arbre est creux, est obturé à l'une de ses extrémités par un bouchon 19 et est muni, à son autre extrémité, d'un embout 20 permettant de le raccorder par une canalisation flexible à un circuit d'amenée d'huile. Chaque arbre est muni de perforations radiales 21 permettant à l'huile qui le traverse de s'échapper à l'intérieur de la virole 14 pour venir imbiber, par les perforations 15, le feutre 16. In the embodiment shown, each of the rollers, respectively, upper 13a and lower 13b, is composed of a peripheral ferrule 14 perforated at 15 and enveloped by a tubular felt 16. This ferrule is mounted free in rotation, by bearings with balls 17 arranged at its ends, relative to a fixed central shaft 18. Each shaft is hollow, is closed at one of its ends by a plug 19 and is provided, at its other end, with a nozzle 20 allowing to connect it by a flexible pipe to an oil supply circuit. Each shaft is provided with radial perforations 21 allowing the oil passing through it to escape inside the ferrule 14 to come soak, through the perforations 15, the felt 16.

Comme le montrent les figures 2 et 4, les extrémités épaulées des arbres 18 sont montées dans les lumières 23 de paliers extrêmes, respectivement, 24 pour l'arbre du rouleau inférieur 13b, et 25 pour celui du rouleau supérieur 13a. En effet, ces paliers se différencient, dans la mesure où
ceux inférieurs 24 sont fixés rigidement à la semelle 26 de l'élément inférieur 3
du bâti, tandis que ceux supérieurs 25 sont montés coulissants sur des glissières verticales 27, solidaires d'un plateau supérieur 28. Comme le montre la figure 3, un ressort 29, disposé autour de chaque glissière 27 et prenant appui, d'une part, sur la face inférieure du plateau 28 et, d'autre part, contre le fond d'un logement 30 ménagé dans le palier 25, tend constamment à plaquer une face de butée 32 de ce palier contre un épaulement 27a de la glissière 27
correspondante.Ces ressorts déterminent la pression d'application du rouleau
supérieur 13a sur celui inférieur 13b. Leur course de réglage, constituée par l'intervalle I, visible figure 3, séparant le plateau 28 de la face supérieure des paliers 25, est déterminée en fonction des variations d'épaisseur des tôles pouvant passer entre les deux rouleaux, et est en général de l'ordre de 6 mm.
As shown in FIGS. 2 and 4, the shoulder ends of the shafts 18 are mounted in the slots 23 of extreme bearings, respectively, 24 for the shaft of the lower roller 13b, and 25 for that of the upper roller 13a. Indeed, these levels differ, insofar as
those lower 24 are rigidly fixed to the sole 26 of the lower element 3
of the frame, while the upper ones 25 are slidably mounted on vertical slides 27, secured to an upper plate 28. As shown in FIG. 3, a spring 29, disposed around each slide 27 and bearing, on the one hand , on the underside of the plate 28 and, on the other hand, against the bottom of a housing 30 formed in the bearing 25, constantly tends to press an abutment face 32 of this bearing against a shoulder 27a of the slide 27
These springs determine the roller application pressure
upper 13a on the lower 13b. Their adjustment stroke, constituted by the interval I, visible in FIG. 3, separating the plate 28 from the upper face of the bearings 25, is determined as a function of the variations in thickness of the sheets which can pass between the two rollers, and is generally of the order of 6 mm.

La figure 3 montre également qu'à chacune de ses extrémités, l'arbre
18 du rouleau ou supérieur 13a est calé dans son palier par une vis transversale 33.
Figure 3 also shows that at each of its ends, the shaft
18 of the roller or upper 13a is wedged in its bearing by a transverse screw 33.

Chacun des paliers, supérieurs 25 ou inférieurs 24, est bordé longitudinalement par des plaques 34 de protection contre l'éjection des gouttes d'huile. Pour l'élément inférieur, ces plaques constituent un bac de récupération de l'huile, bac qui, comme le montre la figure 2, est raccordé par une sortie 35 au bac 36 du circuit d'alimentation en huile. Each of the bearings, upper 25 or lower 24, is bordered longitudinally by plates 34 for protection against the ejection of oil drops. For the lower element, these plates constitute an oil recovery tank, a tank which, as shown in FIG. 2, is connected by an outlet 35 to tank 36 of the oil supply circuit.

On conçoit aisément que lorsqu'une tôle 40, montrée figure 1, est engagée entre les deux rouleaux, le déplacement qui leur est communiqué par installation d'emboutissage placée en aval, assure la mise en rotation des deux rouleaux 13a et 13b, pressés sur ses deux faces, et son enduction par une mince pellicule d'huile délivrée par les feutres 16. It is easily understood that when a sheet 40, shown in FIG. 1, is engaged between the two rollers, the movement which is communicated to them by stamping installation placed downstream, ensures the rotation of the two rollers 13a and 13b, pressed on its two faces, and its coating with a thin film of oil delivered by the felts 16.

Pour extraire la bande de tôle en vue de son remplacement par une autre bande, il suffit d'actionner la vis de commande 6 dans le sens voulu pour provoquer, grâce au ressort 12,1'élévation de l'élément supérieur 2 par rapport à celui inférieur 3, et en conséquence, l'écartement des rouleaux 13a et 13b, jusqu'à ce que le feutre 16 du rouleau 13a ne vienne plus en contact avec la tôle. To extract the sheet metal strip with a view to replacing it with another strip, it suffices to actuate the control screw 6 in the desired direction to cause, by means of the spring 12, elevation of the upper element 2 relative to the lower one 3, and consequently the spacing of the rollers 13a and 13b, until the felt 16 of the roller 13a no longer comes into contact with the sheet.

Inversement, pour ramener cette installation en position de fonctionnement, et après avoir introduit une bande de tôle entre les deux rouleaux, il suffit d'actionner à nouveau la vis 6 jusqu'à ce que le rouleau 13a soit appliqué élastiquement contre la tôle par les ressorts 29, comme montré à la figure 4.Conversely, to return this installation to the operating position, and after having introduced a sheet metal strip between the two rollers, it suffices to actuate the screw 6 again until the roller 13a is applied elastically against the sheet metal by the springs 29, as shown in Figure 4.

Cette opération ne nécessite aucun réglage, autre que la vérification visuelle de l'application du rouleau 13a sur la tôle 40.  This operation requires no adjustment, other than visual verification of the application of the roller 13a on the sheet 40.

De par sa structure, ce dispositif permet également de remplacer très rapidement les feutres 16 lorsqu'ils sont usagés. En effet, il suffit, après avoir amené l'installation en position écartée, d'extraire des paliers 24 l'arbre 18 du rouleau inférieur 13b et de faire de même pour celui du rouleau 13a après avoir pris soin de reculer les vis 33 le calant dans les lumières du palier 25. Due to its structure, this device also makes it possible to very quickly replace the felts 16 when they are used. Indeed, it is sufficient, after having brought the installation in the separated position, to extract from the bearings 24 the shaft 18 of the lower roller 13b and to do the same for that of the roller 13a after having taken care to back the screws 33 the wedging in the landing lights 25.

Il ressort de ce qui précède que, grâce à sa structure en C, cette installation permet le dégagement latéral des bandes de tôles et, en conséquence, de procéder à des changements de tôle de manière commode et rapide.  It appears from the above that, thanks to its C-shaped structure, this installation allows the lateral release of the sheet metal strips and, consequently, to carry out sheet changes conveniently and quickly.

Claims (3)

REVENDICATIONS 1. Installation pour la lubrification de tôles pour l'emboutissage du type comportant deux rouleaux (13a-13b) parallèles, superposés et montés libres en rotation dans un bâti, et des moyens alimentant en huile, au moins le feutre tubulaire d'enduction qui enveloppe chacun de ces rouleaux, caractérisée en ce que son bâti est en forme de C et est composé de deux éléments (2-3) portant, dans leur zone de liaison, d'une part, des moyens à ressort (12) tendant à les écarter élastiquement à l'encontre de l'action d'une vis transversale (6) se vissant dans l'un et prenant appui sur l'autre, d'autre part, des moyens réciproques (4-5) de guidage en translation transversale, chacun de ces deux éléments (2-3) portant, hors de cette zone de liaison, et jusqu'à son extrémité libre, les moyens de maintien (24-25), les moyens de guidage (17-18) et les moyens d'alimentation (20-21) des rouleaux correspondants. 1. Installation for the lubrication of sheets for stamping of the type comprising two parallel rollers (13a-13b), superimposed and mounted free in rotation in a frame, and means supplying oil, at least the tubular coating felt which envelope each of these rollers, characterized in that its frame is C-shaped and is composed of two elements (2-3) carrying, in their connection zone, on the one hand, spring means (12) tending to spread them elastically against the action of a transverse screw (6) screwing into one and bearing on the other, on the other hand, reciprocal means (4-5) for guiding in translation transverse, each of these two elements (2-3) carrying, outside this connection zone, and up to its free end, the holding means (24-25), the guide means (17-18) and the supply means (20-21) of the corresponding rollers. 2. Installation selon la revendication 1, caractérisée en ce que chacun des rouleaux (13a-13b) comporte une paroi perforée et est montée libre en rotation sur un axe (18) qui, creux, perforé radialement en (21), obturée d'un côté en (19) et muni de l'autre côté d'un embout (20) de raccordement à un circuit d'alimentation en huile, est calé dans des paliers (24-25) de l'élément (23) du bâti correspondant. 2. Installation according to claim 1, characterized in that each of the rollers (13a-13b) has a perforated wall and is mounted free in rotation on an axis (18) which, hollow, radially perforated at (21), closed off one side at (19) and provided on the other side with a nozzle (20) for connection to an oil supply circuit, is wedged in bearings (24-25) of the element (23) of the frame corresponding. 3. Installation selon l'ensemble des revendications 1 et 2, caractérisée en ce que chacun des paliers (25) de l'élément supérieur (2) du bâti est monté coulissant sur au moins deux glissières verticales (27), solidaires d'un plateau supérieur (18) de l'élément (2) et est rappelé, contre un épaulement (27a) de cette glissière, par des moyens ressort (29) interposés entre lui et le plateau supérieur (28).  3. Installation according to all of claims 1 and 2, characterized in that each of the bearings (25) of the upper element (2) of the frame is slidably mounted on at least two vertical slides (27), integral with a upper plate (18) of the element (2) and is recalled, against a shoulder (27a) of this slide, by spring means (29) interposed between it and the upper plate (28).
FR9103598A 1991-03-18 1991-03-18 INSTALLATION FOR LUBRICATING SHEETS FOR STAMPING. Expired - Lifetime FR2674150B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9103598A FR2674150B3 (en) 1991-03-18 1991-03-18 INSTALLATION FOR LUBRICATING SHEETS FOR STAMPING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103598A FR2674150B3 (en) 1991-03-18 1991-03-18 INSTALLATION FOR LUBRICATING SHEETS FOR STAMPING.

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Publication Number Publication Date
FR2674150A1 true FR2674150A1 (en) 1992-09-25
FR2674150B3 FR2674150B3 (en) 1993-06-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622134A1 (en) * 1993-03-31 1994-11-02 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing strip of plate-like workpieces
EP0657227A1 (en) * 1993-09-28 1995-06-14 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing strip or plate-like workpieces
EP1541246A3 (en) * 2003-12-11 2008-01-09 Lutz Freyer Lubricating device for lubricating metal sheets
CN114178122A (en) * 2021-12-13 2022-03-15 无锡微研股份有限公司 Fin oil spraying mechanism for air conditioner fin die

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622134A1 (en) * 1993-03-31 1994-11-02 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing strip of plate-like workpieces
EP0657227A1 (en) * 1993-09-28 1995-06-14 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing strip or plate-like workpieces
EP1541246A3 (en) * 2003-12-11 2008-01-09 Lutz Freyer Lubricating device for lubricating metal sheets
CN114178122A (en) * 2021-12-13 2022-03-15 无锡微研股份有限公司 Fin oil spraying mechanism for air conditioner fin die

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Publication number Publication date
FR2674150B3 (en) 1993-06-11

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