EP0200586B1 - Device for creasing, pressing and smoothing caps - Google Patents

Device for creasing, pressing and smoothing caps Download PDF

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Publication number
EP0200586B1
EP0200586B1 EP19860400598 EP86400598A EP0200586B1 EP 0200586 B1 EP0200586 B1 EP 0200586B1 EP 19860400598 EP19860400598 EP 19860400598 EP 86400598 A EP86400598 A EP 86400598A EP 0200586 B1 EP0200586 B1 EP 0200586B1
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EP
European Patent Office
Prior art keywords
pads
pressing
pleating
smoothing
lateral
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.)
Expired
Application number
EP19860400598
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German (de)
French (fr)
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EP0200586A1 (en
Inventor
Jean-Marie Valet
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DEKOMAT
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DEKOMAT
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Publication date
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Publication of EP0200586A1 publication Critical patent/EP0200586A1/en
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Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • B67B3/10—Capping heads for securing caps
    • B67B3/16—Capping heads for securing caps characterised by having resilient deforming elements, e.g. resilient sleeves or collars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B5/00—Applying protective or decorative covers to closures; Devices for securing bottle closures with wire
    • B67B5/03—Applying protective or decorative covers to closures, e.g. by forming in situ
    • B67B5/032—Dies for securing overcaps

Definitions

  • the present invention relates to a device for folding and pressing-smoothing overcap capsules.
  • the means for selectively moving the pads generally consist of channels for supplying a pressurized fluid which swell the membrane and thus cause the associated pad to move. During their movement, the pads come into abutment against the neck of the bottle on which they apply the corresponding part of the overcap.
  • An object of the present invention is to provide a device for folding and pressing-smoothing overcap capsules having an improved service life compared to that of the existing device in order to increase the number of closings that can be achieved by a machine without intervention on it.
  • a pleating and pressing-smoothing device for overcap capsule comprising a pair of pleating pads mounted face to face in a rigid envelope, a pair of pressing pads -smoothing mounted orthogonally to the pleating pads and adjacent thereto, and means for selectively moving the pleating pads and the pressing-smoothing pads respectively towards each other, the pleating pads and the pressing pads smoothing being associated with elastic lateral membranes, characterized in that it comprises rigid abutment surfaces carried by at least one partition element, these abutment surfaces being arranged opposite the elastic lateral membranes, spaced from the elastic lateral membranes for a rest position of the pads and on which the respective lateral membranes come into abutment during the extension of the corresponding pad.
  • the abutment surfaces of the lateral membranes of two adjacent pads are carried by a common partition element.
  • the common partition element constitutes a separation between two adjacent lateral membranes and thus prevents friction of the lateral membranes between them.
  • two abutment surfaces are arranged symmetrically on either side of each shoe.
  • the lateral membranes of each skate are held symmetrically and the precision of the movement of the skate is improved.
  • the elastic lateral membranes have an edge spaced from the rigid envelope.
  • the movement of the pad is made by pivoting the side wall around its edge which further reduces the fatigue to which the material constituting the side membrane is subjected.
  • the device according to the invention conventionally comprises a rigid envelope 1 inside which are mounted two pleating pads 2 arranged face to face and two pressing-smoothing pads 3 arranged orthogonally to the pads 2 and adjacent to them.
  • the front face of the pads 2, 3 is opposite a bottle neck 4 disposed in the center of the rigid envelope 1.
  • the rear face of the pads is subjected to the pressure of a fluid supplied by supply conduits 5 formed in the rigid envelope 1.
  • the folding pads 2 are associated with elastic lateral membranes 6, for example made of rubber molded in one piece with the pads.
  • the pressing-smoothing pads 3 are associated with elastic lateral membranes 7, preferably also made of rubber molded in one piece with the pads 3.
  • the edge of the lateral membranes 6 of the folding pads 2 comprises a bead 8 placed between a housing 9 and a heel 10.
  • the housing 9 ( Figures 4 and 5) has a front wall 11 pierced with an opening 12 whose periphery is similar to the periphery of the pad 2 and of a dimension slightly greater than the latter so that the pad 2 can move freely through the opening 12.
  • the housing 9 also includes a side wall 13 connected to the wall frontal 11 and substantially perpendicular thereto.
  • the internal face 14 of the housing 9 is inclined towards the opening 12 and constitutes an abutment surface for the lateral membrane 6 of the shoe 2.
  • the external face 15 of the housing 9 is rounded and forms a surface of stop for part of the lateral membrane 7 of the immediately adjacent pressing-smoothing pads 3.
  • the housing 9 has a groove 16 whose periphery is identical to that of the bead 8 forming the edge of the lateral membrane 6 of the pleating shoe 2.
  • the heel 10 is in the form of a plate pierced with a opening 17 and having a shoulder 18 in the vicinity of its outer edge.
  • the outer edge of the heel 10 has a periphery identical to the periphery of the internal face of the side wall 13 of the housing 9.
  • the heel 10 On its face facing the side wall 6 of the pleating shoe 2, the heel 10 has a surface 19 inclined towards the opening 17.
  • the housing 9 and the heel 10 are preferably made by molding an alloy.
  • the pleating shoe 2 is placed in the housing 9 then the heel 10 is disposed behind the lateral membrane 6 of the shoe 2.
  • the assembly is then mounted on the rigid casing 1, for example by bolts 20 passing through the rigid envelope 1 and screwed into tapped holes 21 of the housing 9.
  • the edge of the lateral membranes 6 is thus separated from the rigid envelope 1 by the thickness of the edge of the heel 10.
  • the inclined surface 14 of the housing 9 and the inclined surface 19 of the heel 10 are opposite and are symmetrical relative to the edge of the associated lateral membrane 6.
  • the abutment surfaces 14 on either side of the opening 12 are arranged symmetrically with respect to the folding pads 2 with which the housing 9 is associated.
  • the lateral membrane 7 of the pressing and smoothing pads 3 is folded back on itself and its edge is pinched by a support piece 22 itself held tight against the internal wall of the rigid casing 1 by a bolt 23 in which the supply channel 5 extends.
  • the housing 9 is more particularly arranged around a folding pad 2, the outside of its front wall 11 and its side wall 13 forms an abutment surface for the lateral membrane 7 of the pressing-smoothing pad so that each housing half 9 forms a partition element common to the abutment surfaces of the lateral membranes of two adjacent pads.
  • the rear face of the folding pad 2 is supported on the internal face of the rigid casing 1 and the lateral membrane 6 is supported on the inclined surface 19 of the heel 10.
  • the lateral membrane 6 pivots around the bead 8 forming the edge of the membrane which is pinched between the groove 16 of the housing 9 and the shoulder 18 of the heel 10. It can be seen that in this movement, the rubber forming the lateral membrane 6 is first compressed and then resumes its normal length when the lateral membrane 6 arrives in the vicinity of the abutment surface 14 of the housing 9.
  • the lateral membrane 6 is subjected to less fatigue than in the elongation-withdrawal movement to which it is subjected in known devices.
  • the distance between the abutment surface 14 and the lateral membrane 6 at rest is preferably substantially equal to or very slightly less than the distance that the lateral membrane 6 must travel to bring the folding pad 2 to bear against the neck of the bottle 4 This means that, during operation, the lateral membrane 6 comes to bear against the abutment surfaces 14 at the moment when the folding pad 2 is itself in abutment against the neck of the bottle.
  • the folding pad 2 would tend to advance sideways relative to the neck of the bottle 4 but, in this case, due to the symmetry of the abutment surfaces 14, the part of the lateral membrane which has advanced faster is retained by the abutment surface 14 which faces it and the folding pad 2 therefore returns properly to the axis of the opening 12. It is also noted that the wall of the housing 9 avoids contact between the lateral membrane 6 and the lateral membrane 7 and therefore eliminates wear resulting from the friction between these two membranes.
  • the present invention is susceptible of variant embodiments which will appear to those skilled in the art.
  • the means for fixing the pleating pads 2 are different from the means for fixing the pressing-smoothing pads 3, one can provide for the pressing-smoothing pads 3 a housing similar to the housing 9, each shoe then being controlled by its own housing.
  • heel 10 has been described as forming a part separate from the rigid envelope 1, provision can be made for making the latter in one piece with the wall of the rigid envelope 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Closures For Containers (AREA)

Description

La présente invention concerne un dispositif de plissement et de pressage-lissage de capsule de surbouchage.The present invention relates to a device for folding and pressing-smoothing overcap capsules.

On sait que les capsules de surbouchage sont destinées à décorer le col des bouteilles, en particulier des bouteilles de champagne ou de vin mousseux. On connaît des dispositifs pour la mise en place des capsules de surbouchage. Les plus perfectionnés de ces dispositifs permettent d'effectuer en une seule opération le plissement de la capsule et son pressage-lissage. Le document EP-A-13 530 décrit un dispositif comprenant une paire de patins de plissement montés face à face dans une enveloppe rigide, une paire de patins de pressage-lissage montés orthogonalement aux patins de plissement et adjacents à ceux-ci, et des moyens pour déplacer sélectivement les patins de plissement et les patins de pressage-lissage respectivement l'un vers l'autre, les patins de plissement et les patins de pressage-lissage étant associés à des membranes latérales élastiques permettant leur déplacément. Les moyens pour déplacer sélectivement les patins sont généralement constitués par des canaux d'amenée d'un fluide sous pression qui gonflent la membrane et provoquent ainsi le déplacement du patin associé. Lors de leur déplacement, les patins viennent en butée contre le col de la bouteille sur laquelle ils appliquent la partie correspondante de la capsule de surbouchage.It is known that overcapping capsules are intended to decorate the neck of bottles, in particular bottles of champagne or sparkling wine. Devices are known for fitting overcap capsules. The most sophisticated of these devices make it possible to fold the capsule and press and smooth it in a single operation. Document EP-A-13 530 describes a device comprising a pair of pleating pads mounted face to face in a rigid envelope, a pair of pressing-smoothing pads mounted orthogonally to the pleating pads and adjacent thereto, and means for selectively moving the pleating pads and the pressing-smoothing pads respectively towards each other, the pleating pads and the pressing-smoothing pads being associated with elastic lateral membranes allowing their displacement. The means for selectively moving the pads generally consist of channels for supplying a pressurized fluid which swell the membrane and thus cause the associated pad to move. During their movement, the pads come into abutment against the neck of the bottle on which they apply the corresponding part of the overcap.

Les dispositifs existants présentent un certain nombre d'inconvénients. En particulier, lorsqu'un patin vient en appui sur le col d'une bouteille, la membrane latérale élastique reste soumise à la pression du fluide qui a provoqué le déplacement et se gonfle sous l'effet de cette pression; la membrane latérale élastique est donc soumise à un étirement qui provoque une fatigue du matériau la constituant et donc une rupture après un certain nombre d'utilisations. De plus, les membranes latérales de deux patins adjacents sont en contact l'une avec l'autre lors du fonctionnement et frottent l'une sur l'autre, ce qui entraîne une détérioration des membranes et une mise hors service du dispositif.Existing devices have a number of drawbacks. In particular, when a skid comes to rest on the neck of a bottle, the elastic lateral membrane remains subjected to the pressure of the fluid which caused the displacement and swells under the effect of this pressure; the elastic lateral membrane is therefore subjected to a stretching which causes fatigue of the material constituting it and therefore a rupture after a certain number of uses. In addition, the lateral membranes of two adjacent pads are in contact with each other during operation and rub one on the other, which leads to deterioration of the membranes and a decommissioning of the device.

Un but de la présente invention est de proposer un dispositif de plissement et de pressage-lissage de capsule de surbouchage ayant une durée de vie améliorée par rapport à celle du dispositif existant afin d'augmenter le nombre de bouchages pouvant être réalisés par une machine sans intervention sur celle-ci.An object of the present invention is to provide a device for folding and pressing-smoothing overcap capsules having an improved service life compared to that of the existing device in order to increase the number of closings that can be achieved by a machine without intervention on it.

En vue de la réalisation de ce but, on prévoit selon l'invention un dispositif de plissement et de pressage-lissage de capsule de surbouchage comprenant une paire de patins de plissement montés face à face dans une enveloppe rigide, une paire de patins de pressage-lissage montés orthogonalement aux patins de plissement et adjacents à ceux-ci, et des moyens pour déplacer sélectivement les patins de plissement et les patins de pressage-lissage respectivement l'un vers l'autre, les patins de plissement et les patins de pressage-lissage étant associés à des membranes latérales élastiques, caractérisé en ce qu'il comporte des surfaces de butée rigides portées par au moins un élément de cloison, ces surfaces de butée étant disposées en regard des membranes latérales élastiques, espacées des membranes latérales élastiques pour une position de repos des patins et sur lesquelles les membranes latérales respectives viennent en butée lors de l'extension du patin correspondant.In order to achieve this goal, there is provided according to the invention a pleating and pressing-smoothing device for overcap capsule comprising a pair of pleating pads mounted face to face in a rigid envelope, a pair of pressing pads -smoothing mounted orthogonally to the pleating pads and adjacent thereto, and means for selectively moving the pleating pads and the pressing-smoothing pads respectively towards each other, the pleating pads and the pressing pads smoothing being associated with elastic lateral membranes, characterized in that it comprises rigid abutment surfaces carried by at least one partition element, these abutment surfaces being arranged opposite the elastic lateral membranes, spaced from the elastic lateral membranes for a rest position of the pads and on which the respective lateral membranes come into abutment during the extension of the corresponding pad.

Ainsi, lorsqu'un patin vient en appui contre le col d'une bouteille, la membrane latérale élastique associée vient elle-même en butée contre la surface de butée rigide qui empêche un gonflement de la membrane latérale et limite la fatigue à laquelle est soumis le matériau la constituant.Thus, when a pad comes to bear against the neck of a bottle, the associated elastic lateral membrane itself abuts against the rigid abutment surface which prevents swelling of the lateral membrane and limits the fatigue to which it is subjected. the material constituting it.

Selon une version avantageuse de l'invention, les surfaces de butée des membranes latérales de deux patins adjacents sont portées par un élément de cloison commun. Ainsi, par la mise en place d'un seul élément de cloison on améliore la durée de vie de deux patins. De plus, l'élément de cloison commun constitue une séparation entre deux membranes latérales adjacentes et évite ainsi les frottements des membranes latérales entre elles.According to an advantageous version of the invention, the abutment surfaces of the lateral membranes of two adjacent pads are carried by a common partition element. Thus, by installing a single partition element, the life of two skates is improved. In addition, the common partition element constitutes a separation between two adjacent lateral membranes and thus prevents friction of the lateral membranes between them.

Selon un autre aspect avantageux de l'invention, deux surfaces de butée sont disposées de façon symétrique de part et d'autre de chaque patin. Ainsi, les membranes latérales de chaque patin sont maintenues de façon symétrique et la précision du mouvement du patin se trouve améliorée.According to another advantageous aspect of the invention, two abutment surfaces are arranged symmetrically on either side of each shoe. Thus, the lateral membranes of each skate are held symmetrically and the precision of the movement of the skate is improved.

Selon un mode de réalisation préféré de l'invention, les membranes latérales élastiques comportent un bord écarté de l'enveloppe rigide. Ainsi, le déplacement du patin se fait par pivotement de la paroi latérale autour de son bord ce qui diminue encore la fatigue à laquelle est soumis le matériau constituant la membrane latérale.According to a preferred embodiment of the invention, the elastic lateral membranes have an edge spaced from the rigid envelope. Thus, the movement of the pad is made by pivoting the side wall around its edge which further reduces the fatigue to which the material constituting the side membrane is subjected.

D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description qui suit d'un mode de réalisation préféré de l'invention en liaison avec les figures jointes parmi lesquelles:

  • . la figure 1 est une vue en coupe transversale d'un dispositif selon l'invention, prise selon la ligne I-I de la figure 2;
  • . la figure 2 est une vue en élévation d'un patin de plissement du dispositif de la figure 1, à échelle reduite;
  • . la figure 3 est une vue en coupe selon la ligne III-III de la figure 2;
  • . la figure est une vue en élévation à échelle réduite d'un boîtier comportant des surfaces de butée rigides selon l'invention;
  • . la figure 5 est une vue en coupe selon la ligne Y-Y de la figure 4;
  • . la figure 6 est une vue en élévation à échelle réduite d'un talon de patin selon le mode de réalisation préféré de l'invention;
  • . la figure 7 est une vue en coupe selon la ligne VII-VII de la figure 6.
Other characteristics and advantages of the invention will appear on reading the following description of a preferred embodiment of the invention in conjunction with the attached figures, in which:
  • . Figure 1 is a cross-sectional view of a device according to the invention, taken along line II of Figure 2;
  • . Figure 2 is an elevational view of a folding pad of the device of Figure 1, on a reduced scale;
  • . Figure 3 is a sectional view along line III-III of Figure 2;
  • . the figure is an elevation view on a reduced scale of a housing comprising rigid abutment surfaces according to the invention;
  • . Figure 5 is a sectional view along line YY of Figure 4;
  • . Figure 6 is an elevational view on a reduced scale of a skate heel according to the preferred embodiment of the invention;
  • . FIG. 7 is a sectional view along the line VII-VII of FIG. 6.

En référence aux figures, le dispositif selon l'invention comporte d'une façon classique une enveloppe rigide 1 à l'intérieur de laquelle sont montés deux patins de plissement 2 disposés face à face et deux patins de pressage-lissage 3 disposés orthogonalement aux patins de plissement 2 et adjacents à ceux-ci. La face avant des patins 2, 3 est en regard d'un col de bouteille 4 disposé au centre de l'enveloppe rigide 1. La face arrière des patins est soumise à la pression d'un fluide amené par des conduits d'alimentation 5 formés dans l'enveloppe rigide 1.With reference to the figures, the device according to the invention conventionally comprises a rigid envelope 1 inside which are mounted two pleating pads 2 arranged face to face and two pressing-smoothing pads 3 arranged orthogonally to the pads 2 and adjacent to them. The front face of the pads 2, 3 is opposite a bottle neck 4 disposed in the center of the rigid envelope 1. The rear face of the pads is subjected to the pressure of a fluid supplied by supply conduits 5 formed in the rigid envelope 1.

Les patins de plissement 2 sont associés à des membranes latérales élastiques 6, par exemple en caoutchouc moulé en une seule pièce avec les patins. Les patins de pressage-lissage 3 sont associés à des membranes latérales élastiques 7, de préférence également réalisées en caoutchouc moulé en une seule pièce avec les patins 3.The folding pads 2 are associated with elastic lateral membranes 6, for example made of rubber molded in one piece with the pads. The pressing-smoothing pads 3 are associated with elastic lateral membranes 7, preferably also made of rubber molded in one piece with the pads 3.

Selon l'invention, le bord des membranes latérales 6 des patins de plissement 2 comporte un bourrelet 8 placé entre un boîtier 9 et un talon 10. Le boîtier 9 (figures 4 et 5) comporte une paroi frontale 11 percée d'une ouverture 12 dont le pourtour est semblable au pourtour du patin 2 et d'une dimension légèrement supérieure à celui-ci afin que le patin 2 puisse se déplacer librement à travers l'ouverture 12. Le boîtier 9 comporte également une paroi latérale 13 reliée à la paroi frontale 11 et sensiblement perpendiculaire à celle-ci. Autour de l'ouverture 12, la face interne 14 du boîtier 9 est inclinée vers l'ouverture 12 et constitue une surface de butée pour la membrane latérale 6 du patin 2. La face externe 15 du boîtier 9 est arrondie et forme une surface de butée pour une partie de la membrane latérale 7 des patins de pressage-lissage 3 immédiatement adjacents. Du côté intérieur, le boîtier 9 comporte une gorge 16 dont le pourtour est identique à celui du bourrelet 8 formant le bord de la membrane latérale 6 du patin de plissement 2. Le talon 10 se présente sous forme d'une plaque percée d'une ouverture 17 et comportant un épaulement 18 au voisinage de son bord extérieur. Selon le mode de réalisation préféré, le bord extérieur du talon 10 a un pourtour identique au pourtour de la face interne de la paroi latérale 13 du boîtier 9. Sur sa face tournée vers la paroi latérale 6 du patin de plissement 2, le talon 10 comporte une surface 19 inclinée vers l'ouverture 17. Le boîtier 9 et le talon 10 sont de préférence réalisés par moulage d'un alliage.According to the invention, the edge of the lateral membranes 6 of the folding pads 2 comprises a bead 8 placed between a housing 9 and a heel 10. The housing 9 (Figures 4 and 5) has a front wall 11 pierced with an opening 12 whose periphery is similar to the periphery of the pad 2 and of a dimension slightly greater than the latter so that the pad 2 can move freely through the opening 12. The housing 9 also includes a side wall 13 connected to the wall frontal 11 and substantially perpendicular thereto. Around the opening 12, the internal face 14 of the housing 9 is inclined towards the opening 12 and constitutes an abutment surface for the lateral membrane 6 of the shoe 2. The external face 15 of the housing 9 is rounded and forms a surface of stop for part of the lateral membrane 7 of the immediately adjacent pressing-smoothing pads 3. On the inner side, the housing 9 has a groove 16 whose periphery is identical to that of the bead 8 forming the edge of the lateral membrane 6 of the pleating shoe 2. The heel 10 is in the form of a plate pierced with a opening 17 and having a shoulder 18 in the vicinity of its outer edge. According to the preferred embodiment, the outer edge of the heel 10 has a periphery identical to the periphery of the internal face of the side wall 13 of the housing 9. On its face facing the side wall 6 of the pleating shoe 2, the heel 10 has a surface 19 inclined towards the opening 17. The housing 9 and the heel 10 are preferably made by molding an alloy.

Lors du montage, le patin de plissement 2 est mis en place dans le boîtier 9 puis le talon 10 est disposé derrière la membrane latérale 6 du patin 2. L'ensemble est alors monté sur l'enveloppe rigide 1, par exemple par des boulons 20 passant à travers l'enveloppe rigide 1 et vissés dans des trous taraudés 21 du boîtier 9. On constate sur la figure 1 que le bord des membranes latérales 6 est ainsi écarté de l'enveloppe rigide 1 par l'épaisseur du bord du talon 10. On remarque également sur la figure 1 que la surface inclinée 14 du boîtier 9 et la surface inclinée 19 du talon 10 sont en vis-à-vis et sont symétriques par rapport au bord de la membrane latérale 6 associée. De même, en raison de la symétrie du boîtier 9, les surfaces de butée 14 de part et d'autre de l'ouverture 12 sont disposées de façon symétrique par rapport aux patins de plissement 2 auxquels le boîtier 9 est associé.During assembly, the pleating shoe 2 is placed in the housing 9 then the heel 10 is disposed behind the lateral membrane 6 of the shoe 2. The assembly is then mounted on the rigid casing 1, for example by bolts 20 passing through the rigid envelope 1 and screwed into tapped holes 21 of the housing 9. It can be seen in FIG. 1 that the edge of the lateral membranes 6 is thus separated from the rigid envelope 1 by the thickness of the edge of the heel 10. It is also noted in FIG. 1 that the inclined surface 14 of the housing 9 and the inclined surface 19 of the heel 10 are opposite and are symmetrical relative to the edge of the associated lateral membrane 6. Likewise, due to the symmetry of the housing 9, the abutment surfaces 14 on either side of the opening 12 are arranged symmetrically with respect to the folding pads 2 with which the housing 9 is associated.

Sur le mode de réalisation représenté, la membrane latérale 7 des patins de pressage et de lissage 3 est repliée sur elle-même et son bord est pincé par une pièce support 22 elle-même maintenue serrée contre la paroi interne de l'enveloppe rigide 1 par un boulon 23 dans lequel s'étend le canal d'alimentation 5.In the embodiment shown, the lateral membrane 7 of the pressing and smoothing pads 3 is folded back on itself and its edge is pinched by a support piece 22 itself held tight against the internal wall of the rigid casing 1 by a bolt 23 in which the supply channel 5 extends.

Bien que le boîtier 9 soit plus particulièrement disposé autour d'un patin de plissement 2, l'extérieur de sa paroi frontale 11 et de sa paroi latérale 13 forme une surface de butée pour la membrane latérale 7 du patin de pressage-lissage de sorte que chaque moitié de boîtier 9 forme un élément de cloison commun aux surfaces de butée des membranes latérales de deux patins adjacents.Although the housing 9 is more particularly arranged around a folding pad 2, the outside of its front wall 11 and its side wall 13 forms an abutment surface for the lateral membrane 7 of the pressing-smoothing pad so that each housing half 9 forms a partition element common to the abutment surfaces of the lateral membranes of two adjacent pads.

Lors du montage, la face arrière du patin de plissement 2 est en appui sur la face interne de l'enveloppe rigide 1 et la membrane latérale 6 est en appui sur la surface inclinée 19 du talon 10. Lorsqu'un fluide sous pression est introduit par le canal d'alimentation 5, la membrane latérale 6 pivote autour du bourrelet 8 formant le bord de la membrane qui est pincé entre la gorge 16 du boîtier 9 et l'épaulement 18 du talon 10. On constate que dans ce mouvement, le caoutchouc formant la membrane latérale 6 est tout d'abord comprimé puis reprend sa longueur normale lorsque la membrane latérale 6 arrive au voisinage de la surface de butée 14 du boîtier 9. Ainsi, la membrane latérale 6 est soumise à une fatigue moins importante que dans le mouvement d'élongation-retrait auquel elle est soumise dans les dispositifs connus. La distance entre la surface de butée 14 et la membrane latérale 6 au repos est de préférence sensiblement égale ou très légèrement inférieure à la distance que doit parcourir la membrane latérale 6 pour amener le patin de plissement 2 en appui contre le col de la bouteille 4. Cela signifie que, lors du fonctionnement, la membrane latérale 6 vient en appui contre les surfaces de butée 14 au moment où le patin de plissement 2 est lui-même en appui contre le col de la bouteille. Si par suite d'un manque d'homogénéité de la matière formant la membrane latérale 6, un côté de celle-ci se développe plus rapidement que l'autre côté, le patin de plissement 2 aurait tendance à avancer de travers par rapport au col de la bouteille 4 mais, dans ce cas, en raison de la symétrie des surfaces de butée 14, la partie de membrane latérale qui s'est avancée plus vite est retenue par la surface de butée 14 qui lui fait face et le patin de plissement 2 se remet donc convenablement dans l'axe de l'ouverture 12. On constate également que la paroi du boîtier 9 évite un contact entre la membrane latérale 6 et la membrane latérale 7 et supprime donc l'usure résultant du frottement entre ces deux membranes.During assembly, the rear face of the folding pad 2 is supported on the internal face of the rigid casing 1 and the lateral membrane 6 is supported on the inclined surface 19 of the heel 10. When a pressurized fluid is introduced by the supply channel 5, the lateral membrane 6 pivots around the bead 8 forming the edge of the membrane which is pinched between the groove 16 of the housing 9 and the shoulder 18 of the heel 10. It can be seen that in this movement, the rubber forming the lateral membrane 6 is first compressed and then resumes its normal length when the lateral membrane 6 arrives in the vicinity of the abutment surface 14 of the housing 9. Thus, the lateral membrane 6 is subjected to less fatigue than in the elongation-withdrawal movement to which it is subjected in known devices. The distance between the abutment surface 14 and the lateral membrane 6 at rest is preferably substantially equal to or very slightly less than the distance that the lateral membrane 6 must travel to bring the folding pad 2 to bear against the neck of the bottle 4 This means that, during operation, the lateral membrane 6 comes to bear against the abutment surfaces 14 at the moment when the folding pad 2 is itself in abutment against the neck of the bottle. If as a result of a lack of homogeneity of the material forming the lateral membrane 6, one side of it develops more quickly than the other side, the folding pad 2 would tend to advance sideways relative to the neck of the bottle 4 but, in this case, due to the symmetry of the abutment surfaces 14, the part of the lateral membrane which has advanced faster is retained by the abutment surface 14 which faces it and the folding pad 2 therefore returns properly to the axis of the opening 12. It is also noted that the wall of the housing 9 avoids contact between the lateral membrane 6 and the lateral membrane 7 and therefore eliminates wear resulting from the friction between these two membranes.

Bien entendu, la présente invention est susceptible de variantes de réalisation qui apparaîtront à l'homme de métier. En particulier, bien que dans le mode de réalisation représenté, les moyens de fixation des patins de plissement 2 soient différents des moyens de fixation des patins de pressage-lissage 3, on peut prévoir pour les patins de pressage-lissage 3 un boîtier analogue au boîtier 9, chaque patin étant alors contrôlé par son propre boîtier.Of course, the present invention is susceptible of variant embodiments which will appear to those skilled in the art. In particular, although in the embodiment shown, the means for fixing the pleating pads 2 are different from the means for fixing the pressing-smoothing pads 3, one can provide for the pressing-smoothing pads 3 a housing similar to the housing 9, each shoe then being controlled by its own housing.

De même bien que le talon 10 ait été décrit comme formant une pièce séparée de l'enveloppe rigide 1, on peut prévoir de réaliser celui-ci en une seule pièce avec la paroi de l'enveloppe rigide 1.Similarly, although the heel 10 has been described as forming a part separate from the rigid envelope 1, provision can be made for making the latter in one piece with the wall of the rigid envelope 1.

Claims (8)

1. Apparatus for pleating and pressing- smooothing a bottle capping element comprising a pair of pleating pads (2) mounted in facing relationship in a rigid casing (1), a pair of pressing-smoothing pads (3) mounted orthogonally with respect to the pleating pads (2) and adjacent thereto, and means (5) for selectively displacing the pleating pads (2) and the pressing-smoothing pads (3) respectively towards each other, the pleating pads (2) and the pressing-smoothing pads (3) being associated with resilient lateral diaphragms (6; 7), characterized in that it comprises rigid abutment surfaces (14; 15) carried by at least one divider element (9), said abutment surfaces being disposed facing the resilient lateral diaphragms (6, 7), being spaced from the resilient lateral diaphragms for a rest position of the pads (2, 3), and against which the respective lateral diaphragms come to bear upon extension of the corresponding pad.
2. Pleating and pressing-smoothing apparatus according to claim 1 characterized in that the abutment surfaces for the lateral diaphragms (6; 7) of two adjacent pads (2; 3) are carried by a common divider element (9).
3. Pleating and pressing-smoothing apparatus according to claim 1 or claim 2 characterized in that two abutment surfaces (14; 15) are disposed symmetrically on respective sides of each pad (2; 3).
4. Pleating and pressing-smoothing apparatus according to one of claim 1 to 3 characterised in that the resilient lateral diaphragms (6) comprise an edge (8) which is spaced from the rigid casing (1).
5. Pleating and pressing-smoothing apparatus according to claim 4 characterized in that the edge of the lateral diaphragms (6) of at least two opposed pads is gripped between a housing (9) and a bead portion (10) mounted on the rigid casing (1).
6. Pleating and pressing-smoothing apparatus according to claim 5 characterized in that the edge of the lateral diaphragms (6) comprises a flange portion (8) cooperating with a groove (16) in the housing (9) and a shoulder (18) on the corresponding bead portion (10), and that the housing (9) comprises a lateral wall (13) surrounding the bead portion (10).
7. Pleating and pressing-smoothing apparatus according to claim 5 or claim 6 characterised in that the housing (9) and the bead portion (10) comprise mutually facing inclined surfaces (14, 19) which are symmetrical with respect to the edge (8) of the associated lateral diaphragm (6).
EP19860400598 1985-03-22 1986-03-21 Device for creasing, pressing and smoothing caps Expired EP0200586B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8504265 1985-03-22
FR8504265A FR2579192B1 (en) 1985-03-22 1985-03-22 PLEATING AND PRESSING-SMOOTHING DEVICE FOR AN OVERCAP CAPSULE

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EP0200586A1 EP0200586A1 (en) 1986-11-05
EP0200586B1 true EP0200586B1 (en) 1989-07-12

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DE (1) DE3664312D1 (en)
FR (1) FR2579192B1 (en)

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Also Published As

Publication number Publication date
DE3664312D1 (en) 1989-08-17
FR2579192A1 (en) 1986-09-26
FR2579192B1 (en) 1987-10-09
EP0200586A1 (en) 1986-11-05

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