EP0356269B1 - Method and device for producing barrel drums - Google Patents

Method and device for producing barrel drums Download PDF

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Publication number
EP0356269B1
EP0356269B1 EP89401917A EP89401917A EP0356269B1 EP 0356269 B1 EP0356269 B1 EP 0356269B1 EP 89401917 A EP89401917 A EP 89401917A EP 89401917 A EP89401917 A EP 89401917A EP 0356269 B1 EP0356269 B1 EP 0356269B1
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EP
European Patent Office
Prior art keywords
roller
tubular element
counter
mouldings
series
Prior art date
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Expired - Lifetime
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EP89401917A
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German (de)
French (fr)
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EP0356269A2 (en
EP0356269A3 (en
Inventor
Aimé Maes
Guy Verrue
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CMB Packaging SA
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CMB Packaging SA
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Priority to AT89401917T priority Critical patent/ATE76337T1/en
Publication of EP0356269A2 publication Critical patent/EP0356269A2/en
Publication of EP0356269A3 publication Critical patent/EP0356269A3/en
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Publication of EP0356269B1 publication Critical patent/EP0356269B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
    • B21D51/20—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B21D15/06—Corrugating tubes transversely, e.g. helically annularly

Definitions

  • the present invention relates to the manufacture of cylindrical tubular elements such as barrel bodies provided with rolling rods.
  • the invention more particularly relates to a method and a device for manufacturing tubular elements forming barrel bodies and the tubular elements thus produced.
  • the barrel bodies comprise at least two rolling rods with an external diameter greater than that of the barrel body and which, on the one hand, allow rolling on the ground and, on the other hand, reinforce the structure of the barrel body.
  • the rolling rods which have an external diameter greater than the external diameter of the barrel body, substantially increase the radial size.
  • the dimensions of these containers are such that it is not possible to completely fill the available internal volume and there remains an unused unused volume , which greatly reduces the profitability of transporting such drums in containers.
  • EP-A-0 258 807 discloses a barrel body in which the moldings are generally offset radially towards the inside of the barrel and the rolling ring is defined by a zone expanded radially outward from the barrel and formed by at least one of the ridges in the series of moldings.
  • the present invention therefore aims to avoid these drawbacks by creating a simple method of manufacturing cylindrical tubular elements constituting barrel bodies, while making it possible to reduce the radial size and to obtain increased mechanical resistance of the barrel.
  • the subject of the invention is a method of manufacturing a cylindrical tubular element constituting a barrel body, according to which at least one series of moldings comprising a succession of ridges and hollows is formed on said tubular member, the formation of the series of moldings is produced in a single operation by rolling by positioning against one of the faces of the wall of the tubular element a counter-roller and by gradually applying to the opposite face of said wall and facing the counter-roller, a roller characterized in that the roller is applied to a working position determining with the axis of said counter roller an acute angle so that the moldings have a gradually increasing amplitude from one of the ends of the cylindrical tubular element.
  • the invention also relates to a device for manufacturing a cylindrical tubular element forming a barrel body comprising rolling rods and at least one series of moldings constituted by a succession of ridges and hollows, said device comprising a molding mandrel comprising a counter-roller and a roller of external profile complementary to that of said counter -galet, characterized in that the roller forms in the working position, an acute angle with the axis of the counter-roller so that the moldings have a progressively increasing amplitude.
  • the subject of the invention is also a cylindrical tubular element forming a barrel body comprising rolling rods and at least one series of moldings constituted by a succession of ridges and hollows, characterized in that the moldings have a progressively increasing amplitude at from one end of the tubular element.
  • a barrel 10 constituted by a tubular element 11 forming a cylindrical body.
  • the tubular element 11 has on its upper and lower edges a crimping roll forming a rolling ring respectively 12a, 12b and a central portion 13 of generally cylindrical shape.
  • a bottom 14 and a cover 15 On the ends of the barrel are respectively crimped a bottom 14 and a cover 15.
  • the tubular wall 11 is provided on each side of the cylindrical central part 13 with a series of moldings 20a and 20b respectively.
  • the series of upper moldings 20a is constituted by a succession of ridges 21a and hollows 22a, the amplitude of which increases progressively from the upper end of the tubular element 11 to the cylindrical central part 13.
  • the moldings 20a and 20b are produced in such a way that they extend symmetrically from one side and on the other side of the cylindrical surface A of the tubular element 11.
  • This arrangement makes it possible to significantly reduce the radial size of the barrel while improving its mechanical resistance and its resistance to implosion which is of the order of 760 to 800 mbar, or substantially twice the resistance to implosion of barrels. used so far.
  • each series of moldings 20a and 20b of greater amplitude and situated in the vicinity of the cylindrical central part 13, have an amplitude such that they can serve as rolling rods. which improves barrel rolling.
  • the manufacturing device comprises a molding mandrel comprising a counter roller 31 and a roller 32.
  • the counter-roller 31 comprises a sleeve 33 mounted to rotate freely on a fixed axis 34 and the outer surface of which is constituted by a series of annular discs 33a regularly distributed and with the same dimensional characteristics.
  • the roller 32 comprises a sleeve 35 mounted to rotate freely on an axis 36 rocking around an axis 37.
  • the tilting of the roller 32 between an initial position spaced from the counter roller 31, as shown in dashed lines in FIG. 4, and a working position shown in solid lines in this same figure, is controlled for example by a jack 38.
  • the outer surface of the sleeve 35 of the roller 32 is formed, from bottom to top relative to the axis tilting 37, by a series of annular discs 35a regularly distributed and with the same dimensional characteristics as the annular discs 33a of the counter-roller 31, then an annular disc 35b of larger dimensions, and finally by a cylindrical shoulder 35c.
  • the annular discs 35a and 35b of the roller 32 are distributed so as to be nested between the discs 33a of the counter roller 31 when the roller 32 is in the working position.
  • the tubular element 11 is rotated and the jack 38 gradually tilts the roller 32 around the axis 37 until it reaches a working position along an axis B forming with the axis C parallel to the axis D of the counter-roller 31 an acute angle ⁇ of between 0.70 and 0.80 °.
  • the series of lower moldings 20b is produced by rolling and in a single operation. It should be noted that the last high amplitude molding is produced at the same time as the other moldings during this same operation.
  • the cylindrical shoulder 35c makes it possible to form the central cylindrical part 13 of the tubular element.
  • the tubular element 11 After having returned the roller 32 to its initial separated position, the tubular element 11 is turned over and the series of upper moldings 20a is formed in the same way in a single operation.
  • moldings which have a progressively increasing amplitude and which extend symmetrically on either side of the cylindrical surface of the tubular element, which makes it possible to reduce the radial size without as much decrease the capacity of these barrels, and obtain an increased resistance in particular with regard to resistance to implosion.

Abstract

The present invention relates to a method and a device for producing a cylindrical tubular element forming a barrel drum having at least one set of beads and tubular element thus produced. According to the invention, the set of beads (20a, 20b) is formed in a single operation by rolling, positioning a counter-roller against one of the faces of the wall of the tubular element (11) and bringing a roller to bear progressively on the opposite face of the said wall and facing the counter-roller, up to a working position which defines an acute angle with the axis of the said counter-roller, so that the beads have an amplitude which increases progressively from one of the ends of the cylindrical tubular element (11). <IMAGE>

Description

La présente invention concerne la fabrication d'éléments tubulaires cylindriques tels que des corps de fûts munis de joncs de roulement. L'invention a plus particulièrement pour objet un procédé et un dispositif de fabrication d'éléments tubulaires formant des corps de fûts et les éléments tubulaires ainsi réalisés.The present invention relates to the manufacture of cylindrical tubular elements such as barrel bodies provided with rolling rods. The invention more particularly relates to a method and a device for manufacturing tubular elements forming barrel bodies and the tubular elements thus produced.

Comme on le sait, les corps de fûts comportent au moins deux joncs de roulement de diamètre externe supérieur à celui du corps du fût et qui, d'une part, permettent le roulage au sol et, d'autre part, renforcent la structure du corps du fût.As is known, the barrel bodies comprise at least two rolling rods with an external diameter greater than that of the barrel body and which, on the one hand, allow rolling on the ground and, on the other hand, reinforce the structure of the barrel body.

Mais, dans ce type de corps de fût, les joncs de roulement qui ont un diamètre externe supérieur au diamètre externe du corps de fût, augmentent sensiblement l'encombrement radial. Or, dans le cas où ces fûts doivent être transportés côte à côte dans un conteneur de dimensions normalisées, les dimensions de ces conteneurs sont telles qu'il n'est pas possible de remplir complètement le volume interne disponible et il reste un volume libre inexploité, ce qui diminue fortement la rentabilité du transport de tels fûts dans des conteneurs.However, in this type of barrel body, the rolling rods which have an external diameter greater than the external diameter of the barrel body, substantially increase the radial size. However, in the case where these drums must be transported side by side in a container of standardized dimensions, the dimensions of these containers are such that it is not possible to completely fill the available internal volume and there remains an unused unused volume , which greatly reduces the profitability of transporting such drums in containers.

On connaît dans le EP-A-0 258 807, un corps de fût dans lequel les moulures sont globalement déportées radialement vers l'intérieur du fût et le jonc de roulement est défini par une zone expansée radialement vers l'extérieur du fût et constituée par au moins l'une des crêtes de la série de moulures.EP-A-0 258 807 discloses a barrel body in which the moldings are generally offset radially towards the inside of the barrel and the rolling ring is defined by a zone expanded radially outward from the barrel and formed by at least one of the ridges in the series of moldings.

Pour obtenir un tel corps de fût, le procédé décrit dans le EP-A-025 8087 consiste :

  • à élaborer sur ledit corps, une série de moulures comportant une succession de crêtes et de creux, ces moulures étant globalement déportées radialement vers l'intérieur du fût,
  • et à expanser radialement vers l'extérieur du fût une zone dans la série de moulures, ladite zone comportant au moins une crête entre deux creux adjacents, de sorte que ladite zone constitue un jonc de roulement dont le diamètre externe est supérieur au diamètre externe du corps de fût.
To obtain such a barrel body, the method described in EP-A-025 8087 consists of:
  • to develop on said body, a series of moldings comprising a succession of ridges and hollows, these moldings being generally offset radially inward of the barrel,
  • and in expanding radially outward from the barrel an area in the series of moldings, said area comprising at least one ridge between two adjacent recesses, so that said area constitutes a rolling rod whose external diameter is greater than the external diameter of the barrel body.

On voit donc que dans ce procédé, il est nécessaire d'effectuer une succession d'opérations ce qui augmente sensiblement le coût de fabrication.It can therefore be seen that in this process, it is necessary to carry out a succession of operations which significantly increases the manufacturing cost.

La présente invention a donc pour but d'éviter ces inconvénients en créant un procédé simple de fabrication d'éléments tubulaires cylindriques constituant des corps de fût, tout en permettant de réduire l'encombrement radial et d'obtenir une résistance mécanique accrue du fût.The present invention therefore aims to avoid these drawbacks by creating a simple method of manufacturing cylindrical tubular elements constituting barrel bodies, while making it possible to reduce the radial size and to obtain increased mechanical resistance of the barrel.

L'invention a pour objet un procédé de fabrication d'un élément tubulaire cylindrique constituant un corps de fût, selon lequel on forme sur ledit élément tubulaire au moins une série de moulures comportant une succession de crêtes et de creux, la formation de la série de moulures est réalisée en une seule opération par roulage en positionnant contre l'une des faces de la paroi de l'élément tubulaire un contre-galet et en appliquant progressivement sur la face opposée de ladit paroi et en regard du contre-galet,un galet caractérisé en ce que l'on applique le galet jusqu'à une position de travail déterminant avec l'axe dudit contre-galet un angle aigu pour que les moulures possèdent une amplitude progressivement croissant à partir de l'une des extrémités de l'élément tubulaire cylindrique.The subject of the invention is a method of manufacturing a cylindrical tubular element constituting a barrel body, according to which at least one series of moldings comprising a succession of ridges and hollows is formed on said tubular member, the formation of the series of moldings is produced in a single operation by rolling by positioning against one of the faces of the wall of the tubular element a counter-roller and by gradually applying to the opposite face of said wall and facing the counter-roller, a roller characterized in that the roller is applied to a working position determining with the axis of said counter roller an acute angle so that the moldings have a gradually increasing amplitude from one of the ends of the cylindrical tubular element.

L'invention a aussi pour objet un dispositif de fabrication d'un élément tubulaire cylindrique formant un corps de fût comportant des joncs de roulement et au moins une série de moulures constituées par une succession de crêtes et de creux, ledit dispositif comportant un mandrin de moulurage comprenant un contre-galet et un galet de profil extérieur complémentaire à celui dudit contre-galet, caractérisé en ce que le galet forme en position de travail, un angle aigu avec l'axe du contre-galet pour que les moulures possèdent une amplitude progressivement croissante.The invention also relates to a device for manufacturing a cylindrical tubular element forming a barrel body comprising rolling rods and at least one series of moldings constituted by a succession of ridges and hollows, said device comprising a molding mandrel comprising a counter-roller and a roller of external profile complementary to that of said counter -galet, characterized in that the roller forms in the working position, an acute angle with the axis of the counter-roller so that the moldings have a progressively increasing amplitude.

Selon d'autres caractéristiques de l'invention :

  • le galet est monté basculant autour d'un point de son axe entre une position initiale écartée du contre-galet et la position de travail déterminant l'angle aigu.
  • les surfaces extérieures du contre-galet et du galet sont constituées par une série de disques annulaires régulièrement répartis et s'imbriquant les uns entre les autres en position de travail.
According to other characteristics of the invention:
  • the roller is mounted tilting around a point on its axis between an initial position spaced from the counter-roller and the working position determining the acute angle.
  • the outer surfaces of the counter-roller and of the roller are constituted by a series of annular discs regularly distributed and interlocking with each other in the working position.

L'invention a également pour objet un élément tubulaire cylindrique formant un corps de fût comportant des joncs de roulement et au moins une série de moulures constituées par une succession de crêtes et de creux, caractérisé en ce que les moulures possèdent une amplitude progressivement croissante à partir de l'une des extrémités de l'élément tubulaire.The subject of the invention is also a cylindrical tubular element forming a barrel body comprising rolling rods and at least one series of moldings constituted by a succession of ridges and hollows, characterized in that the moldings have a progressively increasing amplitude at from one end of the tubular element.

D'autres caractéristiques et avantages de la présente invention apparaîtront au cours de la description qui va suivre, faite en référence aux dessins annexés sur lesquels :

  • La figure 1 est une vue en élévation d'un fût selon la présente invention,
  • la figure 2 est une vue de détails à plus grande échelle de la série de moulures réalisées sur la partie supérieure du corps de fût,
  • la figure 3 est une vue de détails à plus grande échelle de la série de moulures réalisées sur la partie inférieure du corps de fût,
  • la figure 4 est une vue schématique du dispositif de fabrication d'un élément tubulaire cylindrique constituant un corps de fût selon la présente invention.
Other characteristics and advantages of the present invention will appear during the description which follows, given with reference to the appended drawings in which:
  • FIG. 1 is an elevation view of a barrel according to the present invention,
  • Figure 2 is a detail view to more large scale of the series of moldings produced on the upper part of the barrel body,
  • FIG. 3 is a detail view on a larger scale of the series of moldings produced on the lower part of the barrel body,
  • Figure 4 is a schematic view of the device for manufacturing a cylindrical tubular element constituting a barrel body according to the present invention.

Sur la figure 1, on a représenté un fût 10 constitué par un élément tubulaire 11 formant un corps cylindrique. L'élément tubulaire 11 comporte sur ses bords supérieur et inférieur un roulé de sertissage formant un jonc de roulement respectivement 12a, 12b et une partie centrale 13 de forme généralement cylindrique. Sur les extrémités du fût sont sertis respectivement un fond 14 et un couvercle 15.In Figure 1, there is shown a barrel 10 constituted by a tubular element 11 forming a cylindrical body. The tubular element 11 has on its upper and lower edges a crimping roll forming a rolling ring respectively 12a, 12b and a central portion 13 of generally cylindrical shape. On the ends of the barrel are respectively crimped a bottom 14 and a cover 15.

La paroi tubulaire 11 est munie de chaque côté de la partie centrale cylindrique 13 d'une série de moulures respectivement 20a et 20b.The tubular wall 11 is provided on each side of the cylindrical central part 13 with a series of moldings 20a and 20b respectively.

Comme cela est visible sur la figure 2, la série de moulures supérieure 20a est constituée par une succession de crêtes 21a et de creux 22a dont l'amplitude croît progresivement à partir de l'extrémité supérieure de l'élement tubulaire 11 jusqu'à la partie centrale cylindrique 13.As can be seen in FIG. 2, the series of upper moldings 20a is constituted by a succession of ridges 21a and hollows 22a, the amplitude of which increases progressively from the upper end of the tubular element 11 to the cylindrical central part 13.

Il en est de même pour la série de moulures inférieure 20b qui est formée par une succession de crêtes 21b et de creux 22b dont l'amplitude croît progressivement à partir de l'extrémité inférieure de l'élément tubulaire 11 jusqu'à la partie centrale cylindrique 13.It is the same for the series of lower moldings 20b which is formed by a succession of ridges 21b and recesses 22b whose amplitude increases progressively from the lower end of the tubular element 11 to the central part cylindrical 13.

Les moulures 20a et 20b sont réalisées de telle façon qu'elles s'étendent symétriquement de part et d'autre de la surface cylindrique A de l'élément tubulaire 11.The moldings 20a and 20b are produced in such a way that they extend symmetrically from one side and on the other side of the cylindrical surface A of the tubular element 11.

Cette disposition permet de diminuer notablement l'encombrement radial du fût tout en améliorant sa résistance mécanique et sa résistance à l'implosion que est de l'ordre de 760 à 800 mbars, soit sensiblement le double de la résistance à l'implosion des fûts utilisés jusqu'à présent.This arrangement makes it possible to significantly reduce the radial size of the barrel while improving its mechanical resistance and its resistance to implosion which is of the order of 760 to 800 mbar, or substantially twice the resistance to implosion of barrels. used so far.

De plus, les crêtes 21′a et 21′b de chaque série de moulures 20a et 20b, de plus forte amplitude et situées au voisinage de la partie centrale cylindrique 13, présentent une amplitude telle qu'elles peuvent servir de joncs de roulement ce qui améliore le roulage de fût.In addition, the ridges 21′a and 21′b of each series of moldings 20a and 20b, of greater amplitude and situated in the vicinity of the cylindrical central part 13, have an amplitude such that they can serve as rolling rods. which improves barrel rolling.

On va maintenant décrire le procédé de fabrication d'un élément tubulaire cylindrique muni de moulures selon l'invention en référence à la figure 4.We will now describe the process for manufacturing a cylindrical tubular element provided with moldings according to the invention with reference to FIG. 4.

Le dispositif de fabrication comporte un mandrin de moulurage comprenant un contre-galet 31 et un galet 32.The manufacturing device comprises a molding mandrel comprising a counter roller 31 and a roller 32.

Le contre-galet 31 comprend un manchon 33 monté libre en rotation sur un axe fixe 34 et dont la surface extérieure est constituée par une série de disques annulaires 33a régulièrement répartis et de mêmes caractéristiques dimensionnelles.The counter-roller 31 comprises a sleeve 33 mounted to rotate freely on a fixed axis 34 and the outer surface of which is constituted by a series of annular discs 33a regularly distributed and with the same dimensional characteristics.

Le galet 32 comprend un manchon 35 monté libre en rotation sur un axe 36 basculant autour d'un axe 37. Le basculement du galet 32 entre une position initiale écartée du contre-galet 31, comme représenté en traits mixtes sur la figure 4, et une position de travail représentée en traits pleins sur cette même figure, est commandé par exemple par un vérin 38.The roller 32 comprises a sleeve 35 mounted to rotate freely on an axis 36 rocking around an axis 37. The tilting of the roller 32 between an initial position spaced from the counter roller 31, as shown in dashed lines in FIG. 4, and a working position shown in solid lines in this same figure, is controlled for example by a jack 38.

La surface extérieure du manchon 35 du galet 32 est constituée, de bas en haut par rapport à l'axe de basculement 37, par une série de disques annulaires 35a régulièrement répartis et de mêmes caractéristiques dimensionnelles que les disque annulaires 33a du contre-galet 31, puis un disque annulaire 35b de plus grandes dimensions, et enfin par un épaulement cylindrique 35c.The outer surface of the sleeve 35 of the roller 32 is formed, from bottom to top relative to the axis tilting 37, by a series of annular discs 35a regularly distributed and with the same dimensional characteristics as the annular discs 33a of the counter-roller 31, then an annular disc 35b of larger dimensions, and finally by a cylindrical shoulder 35c.

Les disques annulaires 35a et 35b du galet 32 sont répartis de façon à venir s'imbriquer entre les disques 33a du contre-galet 31 lorsque le galet 32 se trouve en position de travail.The annular discs 35a and 35b of the roller 32 are distributed so as to be nested between the discs 33a of the counter roller 31 when the roller 32 is in the working position.

Après avoir formé sur l'élément tubulaire 11 les roulés de sertissage formant les joncs de roulement 12a et 12b, on applique la face extérieure de la paroi de cet élément tubulaire 11 sur le contre-galet 31, le galet 32 se trouvant en position écartée à l'intérieur dudit élément tubulaire.After having formed the crimping rolls forming the rolling rods 12a and 12b on the tubular element 11, the outer face of the wall of this tubular element 11 is applied to the counter-roller 31, the roller 32 being in the separated position inside said tubular element.

Ensuite, par l'intermédiaire d'un dispositif approprié, non représenté, l'élément tubulaire 11 est entraîné en rotation et le vérin 38 bascule progressivement le galet 32 autour de l'axe 37 jusque'à une position de travail selon un axe B formant avec l'axe C parallèle à l'axe D du contre-galet 31 un angle aigu α compris entre 0,70 et 0,80°.Then, by means of a suitable device, not shown, the tubular element 11 is rotated and the jack 38 gradually tilts the roller 32 around the axis 37 until it reaches a working position along an axis B forming with the axis C parallel to the axis D of the counter-roller 31 an acute angle α of between 0.70 and 0.80 °.

De la sorte, on réalise par roulage et en une seule opération tout d'abord la série de moulures inférieures 20b. Il est à noter que la dernière moulure de forte amplitude est réalisée en même temps que les autres moulures au cours de cette même opération. L'épaulement cylindrique 35c permet de former la partie centrale cylindrique 13 de l'élément tubulaire.In this way, the series of lower moldings 20b is produced by rolling and in a single operation. It should be noted that the last high amplitude molding is produced at the same time as the other moldings during this same operation. The cylindrical shoulder 35c makes it possible to form the central cylindrical part 13 of the tubular element.

Après avoir ramené le galet 32 dans sa position initiale écartée, on retourne l'élément tubulaire 11 et on forme de la même façon en une seule opération la série de moulures supérieure 20a.After having returned the roller 32 to its initial separated position, the tubular element 11 is turned over and the series of upper moldings 20a is formed in the same way in a single operation.

Ensuite, le fond 14 et le couvercle 15 sont sertis sur les extrémités de l'élément tubulaire.Then, the bottom 14 and the cover 15 are crimped onto the ends of the tubular element.

Ainsi, on obtient en une seule opération par roulage des moulures qui possèdent une amplitude progressivement croissante et que s'étendent symétriquement de part et d'autre de la surface cylindrique de l'élément tubulaire ce qui permet de diminuer l'encombrement radial sans pour autant diminuer la capacité de ces fûts, et d'obtenir une résistance accrue en particulier en ce qui concerne la résistance à l'implosion.Thus, in a single operation, moldings are obtained which have a progressively increasing amplitude and which extend symmetrically on either side of the cylindrical surface of the tubular element, which makes it possible to reduce the radial size without as much decrease the capacity of these barrels, and obtain an increased resistance in particular with regard to resistance to implosion.

Claims (10)

1. Method of manufacturing a cylindrical tubular element (11) constituting a barrel body, according to which at least one series of mouldings (20a, 20b) comprising a succession of ridges and troughs is formed on the tubular element (11), the series of mouldings (20a, 20b) being formed in a single operation by means of rolling by positioning a counter-roller (31) against one face of the wall of the tubular element (11) and progressively applying a roller (32) to the opposite face of the said wall and facing the counter-roller (31), characterised in that the roller (32) is applied as far as an operating position determining, with the axis of the said counter-roller (31), an acute angle so that the mouldings (20a, 20b) have an amplitude which increases progressively from one end of the cylindrical tubular element (11).
2. Method according to claim 1, characterised in that the acute angle α is between 0.7 and 0.8°.
3. Device for manufacturing a cylindrical tubular element (11) forming a barrel body incorporating crimped collars forming rolling rings (12a, 12b) and at least one series of mouldings (20a, 20b) consisting of a succession of ridges (21a, 21b) and troughs (22a, 22b), including a moulding mandrel comprising a counter-roller (31), and a roller (32) with an external profile complementary to that of the counter-roller (31), characterised in that the roller (32) forms, in its operating position, an acute angle α with the axis of the counter-roller (31) so that the mouldings (22a, 22b) have a progressively increasing amplitude.
4. Device according to claim 3, characterised in that the roller (32) is mounted so as to tilt about a point (37) on its axis between an initial position away from the counter-roller (31) and the operating position determining the acute angle α.
5. Device according to claims 1 and 2, characterised in that the external surfaces of the counter-roller (31) and the roller (32) are formed by a series of annular discs (31a, 35a, 35b) evenly spaced apart and overlapping between each other in the operating position.
6. Device according to one of the preceding claims, characterised in that the annular discs (33a) on the counter-roller (31) have the same dimensional characteristics.
7. Device according to one of the preceding claims, characterised in that one (35b) of the annular discs on the roller (32), corresponding to the moulding with the greatest amplitude, has dimensional characteristics greater than the other discs (35a), which have dimensional characteristics identical to those of the annular discs (33a) on the counter-roller (31).
8. Cylindrical tubular element forming a barrel body obtained by means of a method according to claim 1, incorporating rollings (12a, 12b) and at least one series of mouldings (20a, 20b) consisting of a succession of ridges (21a, 21b) and troughs (22a, 22b), characterised in that the mouldings (20a, 20b) have an amplitude which increases progressively from one end of the tubular element (11).
9. Tubular element according to claim 8, characterised in that the mouldings (20a, 20b) lie symmetrically on each side of the cylindrical surface of the tubular element (11).
10. Tubular element according to claims 8 and 9, characterised in that the mouldings (21′a) and (21′a) of greater amplitude constitute a rolling ring.
EP89401917A 1988-07-19 1989-07-04 Method and device for producing barrel drums Expired - Lifetime EP0356269B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89401917T ATE76337T1 (en) 1988-07-19 1989-07-04 METHOD AND DEVICE FOR THE MANUFACTURE OF BARREL COATS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809745 1988-07-19
FR8809745A FR2634405A1 (en) 1988-07-19 1988-07-19 METHOD AND DEVICE FOR MANUFACTURING CYLINDRICAL TUBULAR ELEMENTS SUCH AS BODIES OF FUTURE AND CYLINDRICAL TUBULAR ELEMENTS OBTAINED THEREBY

Publications (3)

Publication Number Publication Date
EP0356269A2 EP0356269A2 (en) 1990-02-28
EP0356269A3 EP0356269A3 (en) 1990-10-31
EP0356269B1 true EP0356269B1 (en) 1992-05-20

Family

ID=9368547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89401917A Expired - Lifetime EP0356269B1 (en) 1988-07-19 1989-07-04 Method and device for producing barrel drums

Country Status (6)

Country Link
EP (1) EP0356269B1 (en)
AT (1) ATE76337T1 (en)
DE (1) DE68901594D1 (en)
ES (1) ES2033106T3 (en)
FR (1) FR2634405A1 (en)
GR (1) GR3004721T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD381582S (en) 1995-01-25 1997-07-29 Kraft Foods, Inc. Sealed container
CN104159683A (en) * 2011-12-07 2014-11-19 格雷夫国际控股有限责任公司 Steel drum and method for manufacturing such a steel drum

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697181B1 (en) * 1992-10-27 1994-12-30 Metal Box Plc Method of manufacturing a box body provided with a molding zone of radial stiffening and metallic packaging obtained by such a method.
FR2731928B1 (en) * 1995-03-21 1997-06-13 Lorraine Laminage PROCESS FOR MANUFACTURING A SHAPED METAL BOX
NL1001974C2 (en) * 1995-12-22 1997-06-24 Thomassen & Drijver Bus wall with creases and bus.
EP1075338B1 (en) * 1999-03-08 2003-02-19 Hans-Jürgen Beierling Method and device for machining cylindrical hollow bodies
CN113997025B (en) * 2021-11-26 2022-09-13 浙江惠文美炉具有限公司 Full-automatic production process and equipment for stove barrel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR709343A (en) * 1931-01-06 1931-08-05 Machine for shaping grooves in the cylindrical wall of a sheet metal barrel
FR769832A (en) * 1934-03-08 1934-09-03 Mauser Maschb Gmbh Machine for folding the edges and corrugating the envelopes of sheet metal containers
US2793671A (en) * 1954-02-01 1957-05-28 Robert G Evans Combination beading, corrugating and flanging machine for steel drums
DE1452726A1 (en) * 1962-03-20 1969-03-27 Lauterberger Blechwarenfabrik Machine for the automatic production of circumferential corrugations according to Boerdelraendern at barrel barrel
DE1552064A1 (en) * 1966-09-07 1969-12-18 Rheinpfaelzische Blechemballag Method and device for the production of light barrels with a corrugated surface
FR2602743B1 (en) * 1986-08-05 1988-11-18 Gallay Sa PROCESS FOR MANUFACTURING FUT BODY PROVIDED WITH RUNNING JUNCLES, AND FUT BODY THUS PRODUCED

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD381582S (en) 1995-01-25 1997-07-29 Kraft Foods, Inc. Sealed container
CN104159683A (en) * 2011-12-07 2014-11-19 格雷夫国际控股有限责任公司 Steel drum and method for manufacturing such a steel drum

Also Published As

Publication number Publication date
EP0356269A2 (en) 1990-02-28
GR3004721T3 (en) 1993-04-28
DE68901594D1 (en) 1992-06-25
ATE76337T1 (en) 1992-06-15
EP0356269A3 (en) 1990-10-31
ES2033106T3 (en) 1993-03-01
FR2634405A1 (en) 1990-01-26

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