EP1510306B1 - Presser assembly for separating blanks cut in a sheet - Google Patents

Presser assembly for separating blanks cut in a sheet Download PDF

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Publication number
EP1510306B1
EP1510306B1 EP20040405477 EP04405477A EP1510306B1 EP 1510306 B1 EP1510306 B1 EP 1510306B1 EP 20040405477 EP20040405477 EP 20040405477 EP 04405477 A EP04405477 A EP 04405477A EP 1510306 B1 EP1510306 B1 EP 1510306B1
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EP
European Patent Office
Prior art keywords
rods
pressure
unit according
rail
connecting means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP20040405477
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German (de)
French (fr)
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EP1510306A1 (en
Inventor
Jean-Pierre Steiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bobst SA
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Bobst SA
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Publication date
Priority to EP03405629 priority Critical
Priority to EP03405629 priority
Application filed by Bobst SA filed Critical Bobst SA
Priority to EP20040405477 priority patent/EP1510306B1/en
Publication of EP1510306A1 publication Critical patent/EP1510306A1/en
Application granted granted Critical
Publication of EP1510306B1 publication Critical patent/EP1510306B1/en
Application status is Not-in-force legal-status Critical
Anticipated expiration legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D7/1818Means for removing cut-out material or waste by pushing out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • B26D7/025Means for holding or positioning work with clamping means acting upon planar surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614Means for mounting the cutting member

Description

  • La présente invention se rapporte à un ensemble presseur pour la séparation de poses découpées dans une feuille, selon le préambule de la recendication 1. Un tel dispositif est décrit dans le document US 2003/0032530 A1. The present invention relates to a presser assembly for blanking cut from a sheet, according to the preamble of recendication 1. Such a device is described in US 2003/0032530 A1.
  • Lors d'une opération de découpe de poses de cartons dans une grande feuille, les poses découpées sont séparées par des bandes étroites et reliées à celles-ci par de très fins ponts de carton formés par de très courtes interruptions de la ligne de coupe. In a carton poses of cutting operation in a large sheet, the cut poses are separated by narrow strips and are connected thereto by thin cardboard bridges formed by very short interruptions of the cutting line. Ensuite la feuille est positionnée sur une planche de support inférieure présentant des ouvertures de la forme des poses. Then the sheet is positioned on a lower support plate having openings of the shape of the poses. Pour détacher les poses de la feuille, un ensemble presseur du type susmentionné est positionné au-dessus de la feuille, aux endroits où se situent les bandes étroites séparant les poses. To detach the poses of the sheet, a presser assembly of the aforementioned type is positioned above the sheet, to the places where narrow strips separating the blanks are located.
  • On a déjà proposé un ensemble de ce type dans le US 5'529'565. We have already proposed a set of its kind in the US 5'529'565. Pour donner une certaine liberté au rail presseur par rapport aux tiges coulissantes, les extrémités respectives du rail presseur sont montées pivotantes aux extrémités des tiges coulissantes, ce qui permet de compenser les défauts de planéité ou de parallélisme entre l'ensemble presseur et la planche de support inférieure. To give some freedom to the presser rail with respect to the sliding rods, the respective ends of the pressing rail are pivoted to the ends of the sliding rods, which allows to compensate for defects of flatness or parallelism between the sledge assembly and the board lower support.
  • Un tel dispositif comporte un nombre de pièces relativement important, conduisant à une solution assez chère à fabriquer et à monter. Such a device comprises a relatively large number of parts, leading to a rather expensive solution to manufacture and assemble. En outre cette solution pose des problèmes d'usure, dû au fait que les tiges coulissantes sont en acier alors que le rail presseur est en aluminium et sont reliés par une goupille qui traverse la tige et le rail, de sorte qu'à la longue, la goupille ronge l'aluminium du rail, agrandi le trou ménagé dans celui-ci, causant des frottement et du bruit avant de céder. Furthermore, this solution raises problems of wear, due to the fact that the slide rods are made of steel while the pressure rail is made of aluminum and are connected by a pin which passes through the rod and the rail, so that the long , the pin corrodes aluminum of the rail, the hole is expanded therein, causing friction and noise before yielding. Le rail presseur peut ainsi tomber dans la trajectoire de la barre de pinces qui entraîne les feuilles de carton, provoquant un arrêt de la machine et des dégâts susceptibles d'immobiliser la machine durant un temps plus ou moins long. The pressure rail may thus fall into the path of the gripper bar which drives the cardboard sheets, causing a shutdown of the machine and damage capable of immobilizing the machine during a time longer or shorter.
  • On a déjà proposé dans le US 2003/0032539 un ensemble presseur dans lequel les tiges sont montées dans des organes de liaison avec un degré de liberté angulaire situé dans un plan contenant les axes des tiges et l'axe longitudinal du rail presseur. It has been proposed in US 2003/0032539 a presser assembly wherein the rods are mounted in the connecting members with a degree of angular freedom in a plane containing the axes of the rods and the longitudinal axis of the pressure rail. Les organes de liaison de ces tiges sont fixés chacun par deux vis, ce qui rend le montage de l'ensemble des rails presseurs relativement long. The stems of these connecting members are each secured by two screws, which makes the mounting of the assembly of the pressing rails relatively long.
  • Le but de la présente invention est d'apporter une solution susceptible de remédier, au moins en partie aux inconvénients susmentionnés. The purpose of the present invention is to provide a solution capable of remedy, at least in part to the aforementioned disadvantages.
  • A cet effet, cette invention a pour objet un ensemble presseur pour la séparation de poses découpées dans une feuille, selon la revendication 1. For this purpose, this invention relates to a presser assembly for blanking cut from a sheet, according to claim 1.
  • Les organes de liaison de l'ensemble presseur selon la présente invention comportent chacun une surface d'appui contre la face supérieure dudit support supérieur horizontal et au moins deux griffes élastiques, disposées symétriquement par rapport à l'axe longitudinal d'un passage, ces griffes traversant deux passages respectifs dudit support supérieur horizontal et présentant chacune une surface d'appui contre la surface inférieure dudit support supérieur horizontal. The link members of the presser assembly of the present invention each comprise a support surface against the upper face of said upper horizontal support and at least two resilient claws, disposed symmetrically relative to the longitudinal axis of a passage, these claws passing through two respective passages of said upper horizontal support and each having a bearing surface against the lower surface of said upper horizontal support.
  • Un tel organe de liaison permet une fixation simple et rapide, sans vis des tiges coulissantes dans le support supérieur, permettant de réduire considérablement le coût de l'ensemble presseur, d'autant plus si cet organe de liaison est réalisé de préférence en une pièce de matière plastique qui peut être obtenue par injection. Such a connecting element allows a simple and rapid fixing, screwless push rods in the upper support, allowing to significantly reduce the cost of the whole presser, especially if the connecting member is preferably made in one piece of plastics material which can be obtained by injection.
  • Avantageusement, l'ensemble presseur associe une fixation rigide du rail aux extrémités des tiges coulissantes évitant tout risque d'usure suivi de la chute du rail avec les risques de dégâts qui en résulte, avec une certaine liberté des tiges leur permettant d'adapter la position du rail aux défauts de parallélismes susmentionnés. Advantageously, the presser assembly combines a rigid attachment of the rail to the ends of the sliding rods avoiding any risk of wear monitoring the rail fall with the risk of damage resulting therefrom, with a certain freedom of the rods to adapt them position of rail defects aforementioned parallelisms.
  • De préférence, les butées solidaires des tiges coulissantes sont des écrous vissés sur des portions filetée des tiges respectives, les organes de liaison comportant chacun un logement dont une dimension correspond à la distance entre deux pans parallèles de l'écrou, pour que celui-ci ne puisse pénétrer dans le logement que dans une position angulaire déterminée, de manière à permettre de détecter toute modification de la position initiale dudit écrou. Preferably, the stops integral with the slide pins are nuts screwed onto the threaded portions of the respective rods, the connecting members each having a housing whose dimension corresponds to the distance between two parallel flats of the nut so that the latter can not penetrate into the housing in a predetermined angular position, so as to allow to detect any change in the initial position of said nut.
  • Grâce à cette disposition, tout desserrement de l'écrou est aisément détectable du fait que la tige coulissante ne peut plus revenir dans sa position initiale. With this arrangement, any loosening of the nut is easily detectable because the sliding rod can not return to its original position.
  • D'autres particularités originales de l'invention apparaîtront au cours de la description qui va suivre ainsi qu'à l'aide des dessins annexés qui illustrent, schématiquement et à titre d'exemple, une forme d'exécution de l'ensemble presseur objet de la présente invention. Other original features of the invention will become apparent from the following description and to the accompanying drawings which illustrate, schematically and by way of example, an embodiment of the whole object presser of the present invention.
    • La figure 1 est une vue en perspective partielle de cette forme d'exécution sans le support supérieur; Figure 1 is a partial perspective view of this embodiment without the upper support;
    • la figure 2 est une vue partielle en élévation, partiellement en coupe de cette forme d'exécution avec le support supérieur; Figure 2 is a fragmentary elevational view, partly in section of this embodiment with the top bracket;
    • la figure 3 est une vue en coupe selon la ligne III-III de la figure 2; Figure 3 is a sectional view along line III-III of Figure 2;
    • la figure 4 est une vue semblable à la figure 3 montrant la tige coulissante dans sa seconde position limite; Figure 4 is a view similar to Figure 3 showing the slide rod in its second limit position;
    • la figure 5 est une vue de dessus de la figure 2. Figure 5 is a top view of Figure 2.
  • L'ensemble presseur objet de l'invention comporte un support supérieur horizontal 1 formé dans cet exemple par une planche qui présente des ouvertures 1a pour le passage de tiges coulissantes 2, dont seule une est représentée. The presser assembly object of the invention comprises an upper horizontal support 1 formed in this example by a board that has openings 1a for the passage of two sliding rods, of which only one is shown. Cette tige 2 est montée coulissante dans un organe de liaison 3 qui comporte quatre griffes élastiques de fixation 3a qui traversent quatre ouvertures 1b ménagées à travers le support supérieur 1. Ces griffes élastiques de fixation 3a se terminent par une surface d'arrêt 3b qui s'étend vers l'extérieur de la patte élastique 3a. This rod 2 is slidably mounted in a connecting member 3 which comprises four elastic claws fixing 3a which pass through four apertures 1b formed through the upper bracket 1. These elastic fastening claws 3a are terminated by a stop surface 3b which s extends outwardly from the resilient tab 3a. Cette surface d'arrêt est adjacente à une surface d'accrochage 3c inclinée en direction de la face interne de la patte élastique 3a. This stop surface is adjacent to a gripping surface 3c inclined towards the inner face of the resilient lug 3a.
  • Etant donné qu'en position de fixation sur la planche support 1 les griffes élastiques de fixation 3a sont légèrement fléchies par rapport à leur forme à l'état libre, les surfaces d'arrêt 3b sont conformées pour être parallèles à la planche support 1 en position de fixation de l'organe de liaison 3, de manière à assurer un bon contact entre cette surface d'arrêt et la face inférieure de la planche support 1 contre laquelle s'appuient ces surfaces d'arrêt 3b. Given that in attachment position on the supporting plate 1 the elastic claws fixing 3a are slightly bent with respect to their shape in the free state, the stop surfaces 3b are formed to be parallel to the support plate 1 by fixing position of the connecting member 3, so as to ensure good contact between the stop surface and the underside of the support plate 1 against which support these stop surfaces 3b.
  • De préférence, l'organe de liaison 3 est réalisé en matière plastique injectée. Preferably, the connecting member 3 is made of injected plastic material. De ce fait elle peut être fabriquée à un faible coût et sa fixation est obtenue sans outil par une simple pression vers le bas après avoir positionné les extrémités des quatre griffes 3a vis-à-vis des ouvertures respectives 1b de la planche support 1. Cette pression permet aux surfaces d'accrochage inclinées 3c de faire fléchir les griffes élastiques de fixation 3a. Thereby it can be manufactured at a low cost and its anchorage is obtained without tools by simply pressing down after positioning the ends of the four claws 3a vis-à-vis the respective openings 1b of the support plate 1. This pressure allows the gripping surfaces 3c inclined to deflect the resilient shoe attachment 3a. Lorsque la surface d'arrêt arrive au niveau de la face inférieure de la planche support 1, les griffes élastiques 3a poussent ces surfaces d'arrêt sous la planche support 1 assurant ainsi la fixation de cet organe de liaison 3. When the stop surface reaches the level of the underside of the plate holder 1, the elastic claws 3a grow these stop surfaces in the support plate 1 thus ensuring the fastening of this connecting member 3.
  • La tige coulissante 2 est guidée dans l'organe de liaison 3 par un passage 3d de section oblongue dont la longueur du petit axe correspond sensiblement au diamètre de la tige coulissante 2, de sorte que la tige 2 est guidée tout en lui permettant une légère inclinaison dans un plan contenant le grand axe de la section oblongue du passage 3d. The sliding rod 2 is guided in the connecting member 3 by an oblong section of passage 3d whose minor axis length substantially corresponds to the diameter of the sliding rod 2, so that the rod 2 is guided while allowing a slight inclination in a plane containing the major axis of the oblong section of passage 3d.
  • L'extrémité inférieure de la tige coulissante 2 est fixée à un rail presseur 4. Deux tiges coulissantes 2 au moins sont fixées aux deux extrémités de ce rail presseur 4. Ce rail presseur 4 est constitué par un profilé de section rectangulaire dont une des faces présente en son centre une ouverture longitudinale 4a s'étendant sur toute sa longueur. The lower end of the sliding rod 2 is fixed to a presser rail 4. Two sliding rods 2 are fixed at least at both ends of this presser rail 4. The presser rail 4 is constituted by a rectangular section whose one side has at its center a longitudinal opening 4a extending over its entire length. Un écrou de serrage 5 est engagé dans le canal formé à l'intérieur du profilé du rail presseur 4 où il est empêché de tourner. A clamping nut 5 is engaged in the channel formed inside the pressure rail of the profile 4 where it is prevented from rotating.
  • L'extrémité inférieure de la tige coulissante 2 présente un filetage 2a destiné à recevoir l'écrou de serrage 5. Cette extrémité comporte encore une seconde partie non filetée 2b séparée de la partie filetée 2a par une gorge 2c dans laquelle un anneau torique élastique fendu 6 est engagé. The lower end of the sliding rod 2 has a thread 2a for receiving the clamping nut 5. This end also comprises a second non-threaded portion 2b separated from the threaded portion 2a by a groove 2c in which a resilient split ring ring 6 is engaged. Cet anneau fendu 6 est destiné à la retenue axiale d'un contre organe de serrage 7 maintenu entre l'anneau torique fendu 6 et une portée 2d ménagée entre la partie d'extrémité non filetée 2b et le reste de la tige 2. Ainsi lorsque l'écrou de serrage 5 est vissé dans la partie filetée 2a de l'extrémité de la tige coulissante 2, les bords de l'ouverture longitudinale 4a du rail presseur profilé 4 sont serrés entre cet écrou 5 et le contre organe de serrage 7. This split ring 6 is intended for axial retention against a clamping member 7 held between the split ring and a 6 ring 2d bearing surface formed between the non-threaded end portion 2b and the rest of the rod 2. Thus, when the clamping nut 5 is screwed into the threaded portion 2a of the end of the sliding shaft 2, the edges of the longitudinal opening 4a of the pressure profile rail 4 are clamped between the nut 5 and the clamping member 7 against.
  • On peut observer sur les figures 2 et 3 notamment que le contre organe de serrage 7 présente deux saillies parallèles 7b qui viennent en contact avec les faces latérales du rail presseur 4, empêchant celles-ci de s'écarter sous l'effet de la force de serrage qui leur est appliquée. Can be observed in Figures 2 and 3 in particular against the clamping member 7 has two parallel projections 7b which come into contact with the side faces of the presser rail 4, causing them to move away under the effect of force clamping applied thereto.
  • La surface externe de ce contre organe de serrage 7 présente une portée 7a qui sert de butée à une extrémité d'un ressort de rappel hélicoïdal 8 disposé autour de la tige coulissante 2 et dont l'autre extrémité est engagée dans un logement annulaire 3e ménagé dans l'organe de liaison 3. Ce ressort de rappel 8 sert de moyens élastiques pour exercer une pression élastique vers le bas sur la tige coulissante 2. Etant donné que ce ressort de rappel 8 est engagé dans le logement annulaire 3e concentrique à l'axe longitudinal du passage 3d, ce ressort de rappel 8 sert également à assurer le centrage et le guidage de la tige coulissante 2 par rapport au passage 3d. The outer surface of this against clamping member 7 has a bearing surface 7a which serves as an abutment for one end of a coil spring 8 disposed around the sliding shaft 2 and another end of which is engaged in an annular housing formed 3rd in the connecting member 3. this return spring 8 serves as elastic means for exerting a resilient downward pressure on the sliding rod 2. Since the return spring 8 is engaged in the third concentric annular housing to the longitudinal axis of the passage 3d, the return spring 8 also serves to ensure the centering and guiding of the sliding rod 2 relative to the passage 3d.
  • La partie supérieure de cette tige coulissante 2 comporte un autre filetage 2e sur lequel un écrou de butée axiale 9 est vissé dans une position réglable en fonction de la course désirée pour la tige coulissante 2 et donc pour le rail presseur 4. Cet écrou 9 est associé à une collerette en plastique 9a destinée à augmenter le frottement avec le filetage 2e pour éviter le déplacement intempestif de cet écrou de butée 9 et le changement de la longueur de la course choisie. The upper part of the sliding rod 2 comprises another second thread on which an axial stop nut 9 is screwed in an adjustable position according to the desired stroke for the sliding rod 2 and therefore the pressure rail 4. This nut 9 is associated with a plastic collar 9a for increasing the friction with the second thread to prevent unintended movement of the stop nut 9 and changing the length of the selected race. L'autre position limite des tiges coulissantes 2 est déterminée par le rail presseur 4 lui-même comme on peut le constater sur la figure 4. The other limit position of the sliding rods 2 is determined by the pressure rail 4 itself as can be seen in Figure 4.
  • Comme on peut le constater en particulier sur les figures 1 et 3, dans sa position de butée, l'écrou 9 pénètre dans une ouverture calibrée 10 ménagée dans la partie supérieure de l'organe de liaison 3. Cette ouverture calibrée 10 est dimensionnée pour correspondre à la distance séparant deux pans parallèles de l'écrou de butée 9, de sorte que celui-ci ne peut passer à travers cette ouverture calibrée 10 et retrouver sa position de butée que dans une position angulaire déterminée. As can be seen in particular in Figures 1 and 3, in its stop position, the nut 9 engages in a calibrated opening 10 formed in the upper part of the connecting member 3. The calibrated opening 10 is dimensioned to correspond to the distance between two parallel sides of the stop nut 9 so that the latter can pass through the calibrated opening 10 and return to its abutment position in a specific angular position. Si cet écrou de butée 9 se déplaçait au cours de son mouvement de va-et-vient, il ne pourrait plus passer à travers l'ouverture calibrée et cette anomalie pourrait alors être facilement détectée par un dispositif de sécurité approprié. If this stop nut 9 is moved during its movement back and forth, it can no longer pass through the calibrated opening and this situation may then be easily detected by a suitable safety device.
  • Pour amortir les chocs en fin de course de la tige coulissante 2, une rondelle d'élastomère 11 recouverte d'une rondelle métallique 12 est disposée sur l'organe de liaison 3 autour de la tige coulissante 2. For cushioning the end of the sliding rod 2 stroke, an elastomeric washer 11 covered with a metal washer 12 is disposed on the connecting member 3 around the sliding rod 2.
  • Pour compenser les variations d'épaisseur possible de la planche support 1, on peut envisager de disposer un élément de compensation élastiquement compressible, formé avantageusement par un joint 0-ring (non représenté), entre la face supérieure de la planche support 1 et la surface d'appui 3f de l'organe de liaison 3. Une rainure annulaire pourrait aussi être ménagée dans cette surface d'appui 3f pour y loger le O-ring. To compensate possible variations of thickness of the backing board 1, it is conceivable to provide an elastically compressible compensation element advantageously formed by a seal 0-ring (not shown) between the upper face of the support plate 1 and the 3f bearing surface of the connecting member 3. An annular groove may also be formed in this support surface 3f for accommodating the O-ring.
  • Pour permettre une fixation par vissage de l'organe de liaison 3, au cas où ce mode de fixation serait souhaité, l'organe de liaison 3 comporte encore deux pattes de fixation 3g munies chacune d'une ouverture pour le passage d'une vis destinée à se visser dans la planche support 1. To allow fastening by screwing the connecting member 3, in case this method of fixing is desired, the connecting member 3 further comprises two fixing lugs 3g each provided with an opening for the passage of a screw intended to be screwed into the support plate 1.

Claims (12)

  1. Pressure unit for the separation of blanks cut out of a sheet, comprising a pressure rail (4) integral with at least two parallel rods (2) slidable by a connecting means (3) between two end positions through a horizontal upper support (1), resilient means (8) being disposed between the support (1) and said pressure rail (4) in order constantly to hold the rail in the position most remote from the horizontal upper support (1), defined by stops (9) integral with the rods (2), the connecting means (3) having a surface (3f) bearing against the upper surface of the horizontal upper support (1), characterized by at least two resilient claws (3a), disposed symmetrically relative to the longitudinal axis of a passage (3d), the claws (3a) extending through two respective passages (1 b) in the horizontal upper support (1), and each having a surface (3b) bearing against the lower surface of the horizontal upper support (1).
  2. Pressure unit according to claim 1, wherein the surface (3f) of the connecting means bearing against the upper surface of the upper support (1) is associated with a resiliently compressible compensation element adapted to compensate variations in thickness of the upper support (1).
  3. Pressure unit according to any of the preceding claims, wherein the connecting means (3) also comprise two lugs (3g) each formed with an opening for a screw for fixing into the upper support (1).
  4. Pressure unit according to claim 1, wherein the connecting means (3) comprise four resilient claws (3a) symmetrically disposed relative to the longitudinal axis of the pressure rail (4) and the longitudinal axis of the passage (3d).
  5. Pressure unit according to any of the preceding claims, wherein the connecting means (3) are made of a rigid plastic.
  6. Pressure unit according to any of the preceding claims, comprising rigid clamping means (5, 7) between the pressure rail (4) and the rods (2), the rods being mounted in the respective connecting means (3) with a degree of angular freedom in a plane containing the axes of the rods (2) and the longitudinal axis of the pressure rail (4).
  7. Pressure unit according to claim 6, wherein the connecting means (3) is formed with a passage (3d) with an oblong section having a width equal to the diameter of one of the parallel rods (2) and a major axis parallel to the longitudinal axis of the pressure rail (4) for sliding fitting of one of the said parallel rods (2) with one degree of angular freedom.
  8. Pressure unit according to claims 6 or 7, wherein one of the stops integral with the parallel rods (2) is a nut (9) screwed on to a threaded portion (2e) of the respective rods, the connecting means (3) each being formed with an opening (10) having at least one dimension equal to the distance between two parallel flats of the nut (9) so that the nut cannot enter the opening (10) except in given angular position and consequently any change in the initial position of the nut (9) can be detected.
  9. Pressure unit according to claims 6 to 8, wherein the pressure rail (4) has a hollow rectangular section with a longitudinal opening (4a) formed along one surface thereof, the clamping means between the pressure rail (4) and the rods (2) comprising a nut (5) engaging a thread (2a) on the lower end of the respective rods (2), the distance between two parallel surfaces being substantially equal to the width of the space inside the pressure rail (4), the edges of the longitudinal opening (4a) being clamped between the nut (5) and a co-operating clamping means (7) retained by an abutment (2d) integral with the rod (2).
  10. Pressure unit according to claim 8, wherein the nut (9) has means for increasing the frictional force when it rotates on the threaded part (2e) of the sliding rod (2).
  11. Pressure unit according the claim 9, wherein the co-operating clamping means (7) has two parallel projections (7b) each engaging one side face of the pressure rail (4).
  12. Pressure unit according to any of the preceding claims, wherein the connecting means (3) has an annular recess (3e) concentric with the longitudinal axis of the oblong-section passage (3d) in order to receive an end of a helical spring constituting the said resilient return means (8) so as to centre and guide one of the said rods (2) in the passage (3d).
EP20040405477 2003-09-01 2004-07-26 Presser assembly for separating blanks cut in a sheet Not-in-force EP1510306B1 (en)

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Application Number Priority Date Filing Date Title
EP03405629 2003-09-01
EP03405629 2003-09-01
EP20040405477 EP1510306B1 (en) 2003-09-01 2004-07-26 Presser assembly for separating blanks cut in a sheet

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EP20040405477 EP1510306B1 (en) 2003-09-01 2004-07-26 Presser assembly for separating blanks cut in a sheet

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EP1510306A1 EP1510306A1 (en) 2005-03-02
EP1510306B1 true EP1510306B1 (en) 2006-07-26

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
US8016745B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. Monitoring of a food intake restriction device
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger

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US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
US8016745B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. Monitoring of a food intake restriction device
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port

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