EP0647567A1 - Container made of synthetic material, especially bottle, and use of said container - Google Patents

Container made of synthetic material, especially bottle, and use of said container Download PDF

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Publication number
EP0647567A1
EP0647567A1 EP94870158A EP94870158A EP0647567A1 EP 0647567 A1 EP0647567 A1 EP 0647567A1 EP 94870158 A EP94870158 A EP 94870158A EP 94870158 A EP94870158 A EP 94870158A EP 0647567 A1 EP0647567 A1 EP 0647567A1
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EP
European Patent Office
Prior art keywords
container
hollow body
base
section
end portion
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.)
Granted
Application number
EP94870158A
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German (de)
French (fr)
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EP0647567B1 (en
Inventor
Jean Adriansens
Christian Devaux
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"societe De Services De Participations De Direction Et D'elaboration" En Abrege "sa Spadel Nv"
Original Assignee
"societe De Services De Participations De Direction Et D'elaboration" En Abrege "sa Spadel Nv"
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Publication of EP0647567A1 publication Critical patent/EP0647567A1/en
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Publication of EP0647567B1 publication Critical patent/EP0647567B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/001—Supporting means fixed to the container

Definitions

  • the object of the invention is to remedy, inter alia, the difficulties of completely rinsing the external surfaces of plastic containers described above, to arrange the latter so that the caustic detergents and rinsing liquids can flow over all these external surfaces without being able to stagnate there, in order to eliminate all traces of detergent.
  • a projection of the base on a plane passing through the laying surface is included in a projection of the hollow body on the same plane or substantially coincides with this latter projection.
  • the invention also relates to a use of the container according to the invention.
  • this use consists, in an industrial and commercial circuit, of filling the container with a drink, in particular natural mineral water, for storing and distributing it for consumption, and, when the container is empty, to collect, wash and reuse it, for the same storage and distribution purposes, in an industrial and commercial beverage circuit, possibly the same circuit.
  • a drink in particular natural mineral water
  • Figure 1 shows an elevational view, with partial breaking of the base, of an embodiment of a container according to the invention.
  • Figure 2 shows in elevation, on another scale, with partial breakage and section, another embodiment of a container according to the invention.
  • Figure 3 shows in elevation, with broken, on the same scale as that of Figure 1, a view of a bottom area of a container according to the invention.
  • FIG. 4 shows an axial section on an enlarged scale, in elevation, with breakage, of the base of the container of FIG. 1.
  • the bottle 1 according to the invention can have any usual cross section in the field of the product to be stored and transported.
  • This cross section could for example be hexagonal.
  • a circular cross section is however generally preferred both for the hollow body 2 and for the base 7, the hollow body 2 advantageously being cylindrical over a substantial section 11 of axial length h1 (FIG. 1).
  • a projection of the base 7 on a plane passing through the laying surface 8 is included in a projection of the hollow body 2 on the same plane or substantially coincides with this latter projection.
  • the external diameter d2 of the cylindrical hollow body 2 is greater than or at most equal to the external diameter d1 of the base 7.
  • the hollow body 2 comprises the cylindrical section 11 of axis 12, this is perpendicular to the laying surface 8. It is then advantageous (FIG. 3) that the bottom zone 7 connected to this cylindrical section 11 has an end portion 13 partially in shape of a spherical cap, of radius R (in axial section, for the internal surface), which is coaxial with the cylindrical section 11 and whose concavity is turned towards the latter, the cap possibly being flattened at its bottom 14, close to its intersection with said axis 12.
  • the end portion 13 of practically hemispherical shape advantageously makes it possible to obtain a substantially constant thickness of the wall of the hollow body 2 at this location.
  • This consistency of thickness ensures the most regular and homogeneous cooling and, consequently, an almost total absence of internal tensions in this wall.
  • Such internal tensions when they exist, give rise in the presence of aggressive products (washing solutions, lubricants for transport chains, etc.), during washing at high temperature, to phenomena of "stress cracking" by which appear in the wall of tension cracks which force to discard bottle 1 after washing (unnecessary handling and washing costs and loss of bottle 1).
  • the portion 13 in a spherical cap may comprise, opposite its flattened bottom 14, a region with radius r (in axial section, for the internal surface) substantially smaller than the radius R above, of so that said end portion 13 ends in a cross section III-III greater than the other cross sections of this same end portion 13 but preferably less than the cross section of diameter d2 of the cylindrical section 11.
  • a base 7 of diameter d1 less than or equal to the diameter d2 can surround at least the end portion 13 while maintaining the above-mentioned interval 10 between the rest of the base 7 and hollow body 2.
  • the bottom zone 4 also has an intermediate zone 15 whose cross section decreases progressively towards the end portion 13 and / or in steps (FIGS. 3 and 1), from the cross section of external diameter d2 of the cylindrical section 11 to the cross section III-III of said end portion 13.
  • the base 7 of the invention preferably has in its general appearance the form of a hollow element of revolution 16 which, in the state fixed to the hollow body 2, is coaxial with the cylindrical section 11 and surrounds the end portion 13 above and advantageously also the intermediate zone 15 while leaving the above-mentioned interval 10 open.
  • This arrangement gives the entire bottle a pleasant aspect of continuity between the hollow body 2 and the base 7 when the diameters d1 and d2 are very close.
  • the laying surface 8 of the base 7 is advantageously located beyond the intersection between the portion 13 in the form of a cap and the axis 12, opposite the cylindrical section 11. In this way, the bottom of the hollow body 2 is protected as much as possible against friction, and therefore scratches, on automatic transport elements, storage surfaces, etc.
  • the base 7 advantageously has for example (FIGS. 4 and 1) three regularly distributed supports 17, arranged to locate the hollow body 2 relative to the base 7, at least during an operation for fixing the hollow body. 2 at the base 7, so as to form the gap 10.
  • These supports 17 may have a stud shape if, for example, after the fixing operation they are no longer in contact with the hollow body 2, as is explained below.
  • the base 7 in the form of an element of revolution 16 essentially comprises a wall 18 of a type of sleeve, erected substantially parallel to the direction of the axis 12 and provided with stiffening ribs 19 and / or 20 regularly distributed, for example respectively on the external 21 and internal 22 faces of the wall 18, and each extending parallel to the axis 12 on at least part of the face 21 , 22 corresponding.
  • an annular collar 23, fixed in the base 7 to the abovementioned internal face 22 and extending parallel to the laying surface 8, is provided between the latter and the hollow body 2 in the fixed state, in order to stiffen the 'base 7 against a radial crushing.
  • An abovementioned interval 10 is also provided between this annular collar 23 of stiffening and hollow body 2.
  • the base 7 advantageously comprises, on the side of its laying surface 8, at least one passage orifice 24 for the above-mentioned fluid, preferably of a large section relative to the laying surface 8 in order to facilitate washing, rinsing and drying of the bottle 1 between base 7 and hollow body 2.
  • the fixing locations 9 between hollow body 2 and base 7 are constituted by spots of adhesive resistant to washing solutions of the container and to thermal stresses, for example a CECA adhesive from Elf Aquitaine, of the XPU18007 type, which has a hardened state in the hardened state relative to its state of application to the elements to be bonded 2, 9.
  • a CECA adhesive from Elf Aquitaine
  • hot melt a hot melt adhesive
  • the glue dots that is to say the fixing locations 9, to be arranged at or near the abovementioned supports 17.
  • the hollow body 2 is made of bioriented synthetic material, possibly at more than 30% of crystallinity, advantageously at approximately 40% of crystallinity, preferably released from internal tensions, in particular in the bottom zone 4.
  • This material synthetic is for example polyethylene terephthalate.
  • This high crystallinity is obtained by known methods of blowing the hollow body 2 in a mold, to a dimension greater than its final dimension, by a heat treatment contracting the hollow body of greater dimension to a dimension less than its final dimension, and finally by a new blowing in a mold to give the hollow body 2 said final dimension.
  • This high crystallinity provides, among other things, a better impermeability of the wall of the latter to washing and rinsing products as well as to the drinks which are stored there. This practically results in an absence of subsequent restitution by said wall of flavors which it would have accumulated and which could modify the flavor of a drink which is stored there later or which could give a flavor by example to a mineral water stored in the bottle 1 after a recycling wash thereof.
  • the high crystallinity chosen also gives three-dimensional stability to the bottle 1 when it is subjected to thermal stresses.
  • the container 1 according to the invention is used in a recyclable manner, with reuse as it is, in an industrial and commercial circuit of drinks sold in bottles according to the invention, in particular natural mineral water whether it is carbonated, slightly carbonated or non-carbonated, to store and distribute these drinks for consumption.
  • the container 1 is empty, it is collected, washed, rinsed and reused for the same purposes, either for the same drink as that which was stored there in the previous round or for another drink compatible with the material of the hollow body 2.
  • the container 1 according to FIG. 2 allows a buyer to easily check in the bottom of the container, for example, the good condition of purity of a drink which is stored there.
  • the same possibility can exist if provision is made in the base 7 (of FIGS. 1 and 4) for lateral holes suitably arranged so as to be able to see through them the bottom of the container and especially of the product stored therein, product which can be, among other things, a liquid other than a drink.
  • the base 7 of FIG. 2 can for example be provided with three pillars extending upwards from its upper face, to be fixed to the hollow body and for keep it away from the base 7 proper and to allow viewing of the bottom of the hollow body 2: the product it contains, the state of cleanliness of this bottom ...

Abstract

Container (1) made of synthetic material, especially a bottle (1), comprising a hollow body (2), which includes a bottom zone (4) and a base (7) which is fastened to the hollow body (2) and which has a surface (8) on which to rest the bottle (1), the hollow body (2) being fastened to the base (7) at at least one fastening point (9), each having a small size compared with the bottom zone (4), and, outside the fastening point or points (9), the container (1) having, between the remainder of the base (7) and the hollow body (2), a passage gap (10) for a natural flow of a fluid; and use of the container, especially for beverages, comprising collection of the said container (1) which has been previously used and emptied, a washing operation, a rinsing operation and re-filling of this container. <IMAGE>

Description

La présente invention concerne un récipient en matière synthétique, en particulier bouteille, comprenant :

  • un corps creux qui est destiné à recevoir un produit à stocker et à transporter et qui comporte une zone de fond, et
  • une embase qui est fixée au corps creux et qui présente une surface de pose pour la bouteille.
The present invention relates to a container made of synthetic material, in particular a bottle, comprising:
  • a hollow body which is intended to receive a product to be stored and transported and which comprises a bottom zone, and
  • a base which is fixed to the hollow body and which has a mounting surface for the bottle.

Il est avantageux de réaliser de tels récipients de manière à ce qu'ils puissent être utilisés plusieurs fois pour le même usage de conditionnement de boissons, comme par exemple de l'eau minérale.It is advantageous to produce such containers so that they can be used several times for the same use for packaging drinks, such as for example mineral water.

Une réutilisation de bouteilles en matière synthétique, en particulier pour des boissons, ne peut avoir lieu qu'après un lavage et un rinçage très soigneux de ces bouteilles, tant pour leurs surfaces internes que pour leurs surfaces externes. En particulier le rinçage, après un lavage avec des produits caustiques, doit être total pour éviter que des traces de ces produits subsistent sur la bouteille et en attaquent ultérieurement la matière synthétique.Reuse of plastic bottles, in particular for drinks, can only take place after very careful washing and rinsing of these bottles, both for their internal surfaces and for their external surfaces. In particular, the rinsing, after washing with caustic products, must be total to avoid traces of these products remaining on the bottle and subsequently attacking the synthetic material.

L'invention a pour but de remédier entre autres aux difficultés du rinçage complet des surfaces externes de récipients en matière synthétique décrits plus haut, d'agencer ces derniers pour que les produits caustiques de lavage et des liquides de rinçage puissent s'écouler sur toutes ces surfaces externes sans pouvoir y stagner, afin d'éliminer toute trace de produit de lavage.The object of the invention is to remedy, inter alia, the difficulties of completely rinsing the external surfaces of plastic containers described above, to arrange the latter so that the caustic detergents and rinsing liquids can flow over all these external surfaces without being able to stagnate there, in order to eliminate all traces of detergent.

A cet effet, suivant l'invention :

  • le corps creux est fixé à l'embase en au moins un endroit de fixation, présentant chaque fois une dimension réduite par rapport à la zone de fond, et
  • en dehors du ou des endroits de fixation, le récipient présente, entre le reste de l'embase et le corps creux, un intervalle de passage pour un écoulement naturel d'un fluide.
To this end, according to the invention:
  • the hollow body is fixed to the base in at least one fixing location, each having a reduced dimension relative to the bottom zone, and
  • outside the fixing point or places, the container has, between the rest of the base and the hollow body, a passage interval for a natural flow of a fluid.

Suivant une forme de réalisation préférée de l'invention, une projection de l'embase sur un plan passant par la surface de pose est comprise dans une projection du corps creux sur le même plan ou coïncide sensiblement avec cette dernière projection.According to a preferred embodiment of the invention, a projection of the base on a plane passing through the laying surface is included in a projection of the hollow body on the same plane or substantially coincides with this latter projection.

L'invention concerne également une utilisation du récipient suivant l'invention.The invention also relates to a use of the container according to the invention.

Suivant l'invention, cette utilisation consiste, dans un circuit industriel et commercial, à remplir le récipient d'une boisson, en particulier de l'eau minérale naturelle, pour la stocker et la distribuer pour sa consommation, et, lorsque le récipient est vide, à le collecter, le laver et le réutiliser, aux mêmes fins de stockage et de distribution, dans un circuit industriel et commercial de boisson, éventuellement le même circuit.According to the invention, this use consists, in an industrial and commercial circuit, of filling the container with a drink, in particular natural mineral water, for storing and distributing it for consumption, and, when the container is empty, to collect, wash and reuse it, for the same storage and distribution purposes, in an industrial and commercial beverage circuit, possibly the same circuit.

D'autres détails et particularités de l'invention ressortiront des revendications secondaires et de la description des dessins qui sont annexés au présent mémoire et qui illustrent, à titre d'exemples non limitatifs le récipient et son utilisation suivant l'invention.Other details and particularities of the invention will emerge from the secondary claims and from the description of the drawings which are annexed to the present specification and which illustrate, by way of non-limiting examples, the container and its use according to the invention.

La figure 1 montre une vue en élévation, avec brisure partielle de l'embase, d'une forme de réalisation d'un récipient suivant l'invention.Figure 1 shows an elevational view, with partial breaking of the base, of an embodiment of a container according to the invention.

La figure 2 montre en élévation, à une autre échelle, avec brisure et coupe partielles, une autre forme de réalisation d'un récipient suivant l'invention.Figure 2 shows in elevation, on another scale, with partial breakage and section, another embodiment of a container according to the invention.

La figure 3 montre en élévation, avec brisure, à la même échelle que celle de la figure 1, une vue d'une zone de fond d'un récipient suivant l'invention.Figure 3 shows in elevation, with broken, on the same scale as that of Figure 1, a view of a bottom area of a container according to the invention.

La figure 4 montre une coupe axiale à échelle agrandie, en élévation, avec brisure, de l'embase du récipient de la figure 1.FIG. 4 shows an axial section on an enlarged scale, in elevation, with breakage, of the base of the container of FIG. 1.

Dans les différentes figures, les mêmes notations de référence désignent des éléments identiques ou analogues.In the various figures, the same reference notations designate identical or analogous elements.

Un récipient 1 (figure 1) en matière synthétique, en particulier une bouteille 1 de l'invention comprend :

  • un corps creux 2 qui est destiné à recevoir un produit à stocker et à transporter (par exemple 1500 ml d'eau minérale) et qui comporte, à une extrémité dite inférieure 3 de la bouteille 1, une zone de fond 4 et, à l'autre extrémité dite supérieure 5 un orifice de remplissage 6 connu en soi, et
  • une embase 7 qui est fixée au corps 2 et qui présente une surface de pose 8 pour la bouteille.
A container 1 (FIG. 1) made of synthetic material, in particular a bottle 1 of the invention comprises:
  • a hollow body 2 which is intended to receive a product to be stored and transported (for example 1500 ml of mineral water) and which comprises, at a so-called lower end 3 of the bottle 1, a bottom zone 4 and, at the 'Another so-called upper end 5 is a filling opening 6 known per se, and
  • a base 7 which is fixed to the body 2 and which has a laying surface 8 for the bottle.

Suivant l'invention, pour permettre un lavage et un rinçage complets de l'extérieur de la bouteille :

  • d'une part, le corps creux 2 est fixé à l'embase 7 (figure 2) en un endroit de fixation 9 de dimension réduite par rapport à la zone de fond 4, et
  • d'autre part, outre cet endroit de fixation, entre le reste de l'embase 7 et du corps creux 2, la bouteille 1 présente partout un intervalle de passage 10 dimensionné pour qu'un écoulement naturel d'un fluide puisse y avoir lieu, le fluide étant en particulier une solution caustique de lavage, un liquide de rinçage, de l'air de séchage, etc. Le dimensionnement du passage doit en particulier empêcher des stagnations des fluides susdits pour les raisons citées ci-dessus.
According to the invention, to allow a complete washing and rinsing of the outside of the bottle:
  • on the one hand, the hollow body 2 is fixed to the base 7 (FIG. 2) at a fixing location 9 of reduced size relative to the bottom zone 4, and
  • on the other hand, in addition to this place of attachment, between the rest of the base 7 and of the hollow body 2, the bottle 1 has everywhere a passage interval 10 dimensioned so that a natural flow of a fluid can take place there. , the fluid being in particular a caustic washing solution, a rinsing liquid, drying air, etc. The dimensioning of the passage must in particular prevent stagnation of the above fluids for the reasons mentioned above.

La bouteille 1 suivant l'invention peut avoir une section transversale quelconque usuelle dans le domaine du produit à stocker et transporter. Cette section transversale pourrait par exemple être hexagonale. Une section transversale circulaire est cependant généralement préférée tant pour le corps creux 2 que pour l'embase 7, le corps creux 2 étant avantageusement cylindrique sur un tronçon 11 important de longueur axiale h1 (figure 1).The bottle 1 according to the invention can have any usual cross section in the field of the product to be stored and transported. This cross section could for example be hexagonal. A circular cross section is however generally preferred both for the hollow body 2 and for the base 7, the hollow body 2 advantageously being cylindrical over a substantial section 11 of axial length h1 (FIG. 1).

Suivant l'invention, il est préféré qu'une projection de l'embase 7 sur un plan passant par la surface de pose 8 soit comprise dans une projection du corps creux 2 sur le même plan ou coïncide sensiblement avec cette dernière projection. Par exemple, dans le cas de sections transversales circulaires (figures 1 et 2), le diamètre externe d2 du corps creux 2 cylindrique est supérieur ou au plus égal au diamètre externe d1 de l'embase 7. De cette façon, des bouteilles 1, transportées sur des systèmes usuels pour leurs manipulations automatiques, sont en contact l'une avec l'autre par une génératrice de leur corps creux 2, sur une longueur importante. Cela empêche un appui déséquilibrant d'une bouteille 1 contre une autre, cet appui déséquilibrant pouvant exister dans le cas inverse parce qu'alors la longueur du contact entre deux bouteilles 1 contiguës, limitée à la hauteur de l'embase 7, est trop courte et parce que ce contact est décentré par rapport à la hauteur totale de la bouteille 1.According to the invention, it is preferred that a projection of the base 7 on a plane passing through the laying surface 8 is included in a projection of the hollow body 2 on the same plane or substantially coincides with this latter projection. For example, in the case of circular cross sections (FIGS. 1 and 2), the external diameter d2 of the cylindrical hollow body 2 is greater than or at most equal to the external diameter d1 of the base 7. In this way, bottles 1, transported on usual systems for their automatic handling, are in contact with each other by a generator of their hollow body 2, over a considerable length. This prevents an unbalanced support of one bottle 1 against another, this unbalanced support possibly existing in the opposite case because then the length of the contact between two contiguous bottles 1, limited to the height of the base 7, is too short. and because this contact is off-center with respect to the total height of the bottle 1.

Dans le cas préféré de l'invention, dans lequel le corps creux 2 comporte le tronçon cylindrique 11 d'axe 12, celui-ci est perpendiculaire à la surface de pose 8. Il est alors avantageux (figure 3) que la zone de fond 7 raccordée à ce tronçon cylindrique 11 présente une portion d'extrémité 13 partiellement en forme de calotte sphérique, de rayon R (en coupe axiale, pour la surface interne), qui est coaxiale au tronçon cylindrique 11 et dont la concavité est tournée vers ce dernier, la calotte étant éventuellement aplatie en son fond 14, à proximité de son intersection avec ledit axe 12.In the preferred case of the invention, in which the hollow body 2 comprises the cylindrical section 11 of axis 12, this is perpendicular to the laying surface 8. It is then advantageous (FIG. 3) that the bottom zone 7 connected to this cylindrical section 11 has an end portion 13 partially in shape of a spherical cap, of radius R (in axial section, for the internal surface), which is coaxial with the cylindrical section 11 and whose concavity is turned towards the latter, the cap possibly being flattened at its bottom 14, close to its intersection with said axis 12.

La portion d'extrémité 13 de forme pratiquement hémisphérique permet avantageusement d'obtenir une épaisseur sensiblement constante de la paroi du corps creux 2 en cet endroit. Cette constance d'épaisseur assure un refroidissement des plus réguliers et homogènes et, en conséquence, une absence quasi totale de tensions internes dans cette paroi. De pareilles tensions internes, lorsqu'elles existent, donnent lieu en présence de produits agressifs (solutions de lavage, lubrifiants de chaînes de transport,...), au cours du lavage à haute température, à des phénomènes de "stress cracking" par lesquels apparaissent dans la paroi des criques de tension qui obligent à rebuter la bouteille 1 après lavage (frais inutiles de manipulations et de lavage et perte de la bouteille 1).The end portion 13 of practically hemispherical shape advantageously makes it possible to obtain a substantially constant thickness of the wall of the hollow body 2 at this location. This consistency of thickness ensures the most regular and homogeneous cooling and, consequently, an almost total absence of internal tensions in this wall. Such internal tensions, when they exist, give rise in the presence of aggressive products (washing solutions, lubricants for transport chains, etc.), during washing at high temperature, to phenomena of "stress cracking" by which appear in the wall of tension cracks which force to discard bottle 1 after washing (unnecessary handling and washing costs and loss of bottle 1).

Pour son raccordement au corps creux 2, la portion 13 en calotte sphérique peut comporter à l'opposé de son fond aplati 14 une région à rayon r (en coupe axiale, pour la surface interne) sensiblement plus petit que le rayon R susdit, de façon que ladite portion d'extrémité 13 se termine par une section transversale III-III supérieure aux autres sections transversales de cette même portion d'extrémité 13 mais de préférence inférieure à la section transversale de diamètre d2 du tronçon cylindrique 11. Par cette dernière disposition préférée, une embase 7 de diamètre d1 inférieur ou égal au diamètre d2 peut entourer au moins la portion d'extrémité 13 tout en maintenant l'intervalle 10 susdit entre le reste des embase 7 et corps creux 2.For its connection to the hollow body 2, the portion 13 in a spherical cap may comprise, opposite its flattened bottom 14, a region with radius r (in axial section, for the internal surface) substantially smaller than the radius R above, of so that said end portion 13 ends in a cross section III-III greater than the other cross sections of this same end portion 13 but preferably less than the cross section of diameter d2 of the cylindrical section 11. By this latter arrangement preferred, a base 7 of diameter d1 less than or equal to the diameter d2 can surround at least the end portion 13 while maintaining the above-mentioned interval 10 between the rest of the base 7 and hollow body 2.

Pour le raccordement entre cette portion d'extrémité 13 et le tronçon cylindrique 11 dans cette dernière disposition préférée, la zone de fond 4 présente en outre une zone intermédiaire 15 dont la section transversale décroît en direction de la portion d'extrémité 13, progressivement et/ou en gradin (figures 3 et 1), depuis la section transversale de diamètre externe d2 du tronçon cylindrique 11 jusqu'à la section transversale III-III de ladite portion d'extrémité 13.For the connection between this end portion 13 and the cylindrical section 11 in this latter preferred arrangement, the bottom zone 4 also has an intermediate zone 15 whose cross section decreases progressively towards the end portion 13 and / or in steps (FIGS. 3 and 1), from the cross section of external diameter d2 of the cylindrical section 11 to the cross section III-III of said end portion 13.

L'embase 7 de l'invention présente de préférence dans son allure générale la forme d'un élément de révolution creux 16 qui, à l'état fixé au corps creux 2, est coaxial au tronçon cylindrique 11 et entoure la portion d'extrémité 13 susdite et avantageusement aussi la zone intermédiaire 15 tout en laissant ouvert l'intervalle 10 susdit. Cet agencement confère à l'ensemble de la bouteille un agréable aspect de continuité entre le corps creux 2 et l'embase 7 lorsque les diamètres d1 et d2 sont très proches.The base 7 of the invention preferably has in its general appearance the form of a hollow element of revolution 16 which, in the state fixed to the hollow body 2, is coaxial with the cylindrical section 11 and surrounds the end portion 13 above and advantageously also the intermediate zone 15 while leaving the above-mentioned interval 10 open. This arrangement gives the entire bottle a pleasant aspect of continuity between the hollow body 2 and the base 7 when the diameters d1 and d2 are very close.

De plus, la surface de pose 8 de l'embase 7 est avantageusement située au-delà de l'intersection entre la portion 13 en forme de calotte et l'axe 12, à l'opposé du tronçon cylindrique 11. De cette façon, le fond du corps creux 2 est protégé au maximum contre des frottements, et donc des rayures, sur des éléments de transport automatique, des surfaces de stockage, etc.In addition, the laying surface 8 of the base 7 is advantageously located beyond the intersection between the portion 13 in the form of a cap and the axis 12, opposite the cylindrical section 11. In this way, the bottom of the hollow body 2 is protected as much as possible against friction, and therefore scratches, on automatic transport elements, storage surfaces, etc.

Suivant l'invention, l'embase 7 présente avantageusement par exemple (figures 4 et 1) trois appuis 17 régulièrement répartis, agencés pour localiser le corps creux 2 par rapport à l'embase 7, au moins pendant une opération de fixation du corps creux 2 à l'embase 7, de façon à former l'intervalle 10. Ces appuis 17 peuvent présenter une forme de téton si par exemple, après l'opération de fixation ils ne sont plus en contact avec le corps creux 2, comme cela est expliqué ci-dessous.According to the invention, the base 7 advantageously has for example (FIGS. 4 and 1) three regularly distributed supports 17, arranged to locate the hollow body 2 relative to the base 7, at least during an operation for fixing the hollow body. 2 at the base 7, so as to form the gap 10. These supports 17 may have a stud shape if, for example, after the fixing operation they are no longer in contact with the hollow body 2, as is explained below.

Dans une forme de réalisation préférée de l'invention, (figure 4) l'embase 7 en forme d'élément de révolution 16 comporte essentiellement une paroi 18 d'un type de manchon, dressée sensiblement parallèlement à la direction de l'axe 12 et munie de nervures de raidissement 19 et/ou 20 régulièrement réparties, par exemple respectivement sur les faces externe 21 et interne 22 de la paroi 18, et s'étendant chacune parallèlement à l'axe 12 sur au moins une partie de la face 21, 22 correspondante. Avantageusement un collet annulaire 23, fixé dans l'embase 7 à la face interne 22 précitée et s'étendant parallèlement à la surface de pose 8, est prévu entre cette dernière et le corps creux 2 à l'état fixé, afin de raidir l'embase 7 à l'encontre d'un écrasement radial. Un intervalle 10 précité est également prévu entre ce collet annulaire 23 de raidissement et corps creux 2.In a preferred embodiment of the invention, (FIG. 4) the base 7 in the form of an element of revolution 16 essentially comprises a wall 18 of a type of sleeve, erected substantially parallel to the direction of the axis 12 and provided with stiffening ribs 19 and / or 20 regularly distributed, for example respectively on the external 21 and internal 22 faces of the wall 18, and each extending parallel to the axis 12 on at least part of the face 21 , 22 corresponding. Advantageously, an annular collar 23, fixed in the base 7 to the abovementioned internal face 22 and extending parallel to the laying surface 8, is provided between the latter and the hollow body 2 in the fixed state, in order to stiffen the 'base 7 against a radial crushing. An abovementioned interval 10 is also provided between this annular collar 23 of stiffening and hollow body 2.

Suivant l'invention, l'embase 7 comporte avantageusement, du côté de sa surface de pose 8, au moins un orifice de passage 24 pour le fluide précité, de préférence d'une section importante par rapport à la surface de pose 8 afin de faciliter les lavage, rinçage et séchage de la bouteille 1 entre embase 7 et corps creux 2.According to the invention, the base 7 advantageously comprises, on the side of its laying surface 8, at least one passage orifice 24 for the above-mentioned fluid, preferably of a large section relative to the laying surface 8 in order to facilitate washing, rinsing and drying of the bottle 1 between base 7 and hollow body 2.

De préférence, les endroits de fixation 9 entre corps creux 2 et embase 7 sont constitués par des points de colle résistant à des solutions de lavage du récipient et à des contraintes thermiques, par exemple une colle CECA de Elf Aquitaine, du type XPU18007, qui présente à l'état durci une dilatation par rapport à son état d'application sur les éléments à coller 2, 9. Dans ce cas, il est approprié de réaliser un mélange de colles, par exemple composé de la colle précitée et d'une colle thermofusible dite "hot melt". Cette dernière assure alors une fixation provisoire des éléments à coller, suffisante pour pouvoir les manipuler pratiquement immédiatement après collage, à l'état vide, tandis que la colle qui dilate en durcissant et qui est à base de polyuréthanne nécessite un temps de polymérisation (de durcissement) de l'ordre de 72 heures. La dilatation précitée est dimensionnée pour réaliser et maintenir l'intervalle 10 souhaité.Preferably, the fixing locations 9 between hollow body 2 and base 7 are constituted by spots of adhesive resistant to washing solutions of the container and to thermal stresses, for example a CECA adhesive from Elf Aquitaine, of the XPU18007 type, which has a hardened state in the hardened state relative to its state of application to the elements to be bonded 2, 9. In this case, it is appropriate to make a mixture of glues, for example composed of the abovementioned glue and a hot melt adhesive called "hot melt". The latter then provides a temporary fixing of the elements to be bonded, sufficient to be able to handle them practically. immediately after bonding, in an empty state, while the adhesive which expands while hardening and which is based on polyurethane requires a polymerization (hardening) time of the order of 72 hours. The above expansion is dimensioned to achieve and maintain the desired interval.

Il peut être souhaité que les points de colle, c'est-à-dire les endroits de fixation 9 soient agencés à l'endroit ou à proximité des appuis 17 précités.It may be desirable for the glue dots, that is to say the fixing locations 9, to be arranged at or near the abovementioned supports 17.

De nombreuses matières, de préférence synthétiques peuvent servir à la réalisation de l'embase 7.Many materials, preferably synthetic, can be used to make the base 7.

De préférence aussi, le corps creux 2 est réalisé en matière synthétique biorientée, éventuellement à plus de 30 % de cristallinité, avantageusement à approximativement 40 % de cristallinité, de préférence libérée de tensions internes, en particulier dans la zone de fond 4. Cette matière synthétique est par exemple du téréphtalate de polyéthylène. Cette cristallinité élevée est obtenue par des procédés connus de soufflage du corps creux 2 dans un moule, à une dimension supérieure à sa dimension finale, par un traitement thermique contractant le corps creux de dimension supérieure jusqu'à une dimension inférieure à sa dimension finale, et enfin par un nouveau soufflage dans un moule pour donner au corps creux 2 ladite dimension finale. Cette cristallinité élevée procure entre autres une meilleure imperméabilité de la paroi de ce dernier aux produits de lavage et de rinçage ainsi qu'aux boissons qui y sont stockées. Il en résulte pratiquement une absence de restitution ultérieure par ladite paroi de saveurs qu'elle aurait accumulées et qui pourraient modifier la saveur d'une boisson qui y est stockée ultérieurement ou qui pourraient donner une saveur par exemple à une eau minérale stockée dans la bouteille 1 après un lavage de recyclage de celle-ci.Preferably also, the hollow body 2 is made of bioriented synthetic material, possibly at more than 30% of crystallinity, advantageously at approximately 40% of crystallinity, preferably released from internal tensions, in particular in the bottom zone 4. This material synthetic is for example polyethylene terephthalate. This high crystallinity is obtained by known methods of blowing the hollow body 2 in a mold, to a dimension greater than its final dimension, by a heat treatment contracting the hollow body of greater dimension to a dimension less than its final dimension, and finally by a new blowing in a mold to give the hollow body 2 said final dimension. This high crystallinity provides, among other things, a better impermeability of the wall of the latter to washing and rinsing products as well as to the drinks which are stored there. This practically results in an absence of subsequent restitution by said wall of flavors which it would have accumulated and which could modify the flavor of a drink which is stored there later or which could give a flavor by example to a mineral water stored in the bottle 1 after a recycling wash thereof.

La cristallinité élevée choisie confère aussi une stabilité tridimensionnelle à la bouteille 1 lorsque celle-ci est soumise à des contraintes thermiques.The high crystallinity chosen also gives three-dimensional stability to the bottle 1 when it is subjected to thermal stresses.

Le récipient 1 suivant l'invention est utilisé de façon recyclable, avec réutilisation tel quel, dans un circuit industriel et commercial de boissons vendues en bouteilles suivant l'invention, en particulier d'eau minérale naturelle qu'elle soit gazeuse, légèrement gazeuse ou non gazeuse, pour stocker et distribuer ces boissons pour leur consommation. Lorsque le récipient 1 est vide, il est collecté, lavé, rincé et réutilisé aux mêmes fins, soit pour la même boisson que celle qui y fut stockée au tour précédent soit pour une autre boisson compatible avec la matière du corps creux 2.The container 1 according to the invention is used in a recyclable manner, with reuse as it is, in an industrial and commercial circuit of drinks sold in bottles according to the invention, in particular natural mineral water whether it is carbonated, slightly carbonated or non-carbonated, to store and distribute these drinks for consumption. When the container 1 is empty, it is collected, washed, rinsed and reused for the same purposes, either for the same drink as that which was stored there in the previous round or for another drink compatible with the material of the hollow body 2.

Il doit être entendu que l'invention n'est nullement limitée aux formes de réalisation décrites et que bien des modifications peuvent être apportées à ces dernières sans sortir du cadre de la présente invention.It should be understood that the invention is in no way limited to the embodiments described and that many modifications can be made to these without departing from the scope of the present invention.

On appréciera par exemple que le récipient 1 suivant la figure 2 permet à un acheteur de vérifier aisément dans le fond du récipient par exemple la bonne condition de pureté d'une boisson qui y est stockée. La même possibilité peut exister si l'on prévoit dans l'embase 7 (des figures 1 et 4) des perçages latéraux adéquatement disposés pour pouvoir voir au travers de ceux-ci le fond du récipient et surtout du produit qui y est stocké, ce produit pouvant être entre autres un autre liquide qu'une boisson.It will be appreciated, for example, that the container 1 according to FIG. 2 allows a buyer to easily check in the bottom of the container, for example, the good condition of purity of a drink which is stored there. The same possibility can exist if provision is made in the base 7 (of FIGS. 1 and 4) for lateral holes suitably arranged so as to be able to see through them the bottom of the container and especially of the product stored therein, product which can be, among other things, a liquid other than a drink.

Egalement en variante de la présente invention, l'embase 7 de la figure 2 peut par exemple être munie de trois piliers s'étendant vers le haut depuis sa face supérieure, pour être fixés au corps creux et pour maintenir celui-ci à distance de l'embase 7 proprement dite et pour permettre de visualiser le fond du corps creux 2 : le produit qu'il contient, l'état de propreté de ce fond...Also as a variant of the present invention, the base 7 of FIG. 2 can for example be provided with three pillars extending upwards from its upper face, to be fixed to the hollow body and for keep it away from the base 7 proper and to allow viewing of the bottom of the hollow body 2: the product it contains, the state of cleanliness of this bottom ...

Claims (11)

Récipient (1) en matière synthétique, en particulier bouteille (1), comprenant : - un corps creux (2) qui est destiné à recevoir un produit à stocker et à transporter et qui comporte une zone de fond (4), et - une embase (7) qui est fixée au corps creux (2) et qui présente une surface de pose (8) pour la bouteille (1), caractérisé en ce que : - le corps creux (2) est fixé à l'embase (7) en au moins un endroit de fixation (9), présentant chacun une dimension réduite par rapport à la zone de fond (4), et - en dehors du ou des endroits de fixation (9), le récipient (1) présente, entre le reste de l'embase (7) et le corps creux (2), un intervalle (10) de passage pour un écoulement naturel d'un fluide. Plastic container (1), in particular bottle (1), comprising: a hollow body (2) which is intended to receive a product to be stored and transported and which comprises a bottom zone (4), and - a base (7) which is fixed to the hollow body (2) and which has a laying surface (8) for the bottle (1), characterized in that: the hollow body (2) is fixed to the base (7) at at least one fixing location (9), each having a reduced dimension with respect to the bottom zone (4), and - outside the fixing point (s) (9), the container (1) has, between the rest of the base (7) and the hollow body (2), a passage interval (10) for a natural flow d 'a fluid. Récipient (1) suivant la revendication 1, caractérisé en ce qu'une projection de l'embase (7) sur un plan passant par la surface de pose (8) est comprise dans une projection du corps creux (2) sur le même plan ou coïncide sensiblement avec cette dernière projection.Container (1) according to claim 1, characterized in that a projection of the base (7) on a plane passing through the laying surface (8) is included in a projection of the hollow body (2) on the same plane or substantially coincides with this last projection. Récipient (1) suivant l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le corps creux (2) présente un tronçon (11) sensiblement cylindrique à axe (12) pratiquement perpendiculaire à ladite surface de pose (8), et en ce que la zone de fond (4) raccordée à ce tronçon cylindrique (11) présente une portion d'extrémité (13) au moins partiellement sensiblement en forme de calotte sphérique qui est coaxiale au tronçon cylindrique (11) et dont la concavité est tournée vers ce dernier, la calotte étant éventuellement aplatie (en 14) à proximité de son intersection avec ledit axe (12).Container (1) according to either of Claims 1 and 2, characterized in that the hollow body (2) has a substantially cylindrical section (11) with axis (12) practically perpendicular to said laying surface (8 ), and in that the bottom zone (4) connected to this cylindrical section (11) has an end portion (13) at least partially substantially in the form of a spherical cap which is coaxial with the cylindrical section (11) and whose the concavity is turned towards the latter, the cap possibly being flattened (at 14) near its intersection with said axis (12). Récipient (1) suivant la revendication 3, caractérisé en ce que ladite portion d'extrémité (13) en forme de calotte présente une section transversale (III-III) qui est supérieure aux autres sections transversales de cette même portion d'extrémité (13) mais inférieure à la section transversale du tronçon cylindrique (11), et en ce que pour le raccordement entre cette portion d'extrémité (13) et le tronçon cylindrique (11), la zone de fond (4) présente en outre une zone intermédiaire (15) dont la section transversale décroît en direction de la portion d'extrémité (13), progressivement et/ou en gradin, depuis la section transversale du tronçon cylindrique (11) jusqu'à la section transversale (III-III) de ladite portion d'extrémité (13).Container (1) according to claim 3, characterized in that said end portion (13) in the form of a cap has a cross section (III-III) which is greater than the other cross sections of this same end portion (13 ) but less than the cross section of the cylindrical section (11), and in that for the connection between this end portion (13) and the cylindrical section (11), the bottom zone (4) also has a zone intermediate (15) whose cross section decreases towards the end portion (13), gradually and / or in steps, from the cross section of the cylindrical section (11) to the cross section (III-III) of said end portion (13). Récipient (1) suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que l'embase (7) comporte au moins trois appuis (17) agencés pour localiser le corps creux (2) par rapport à l'embase (7), au moins pendant une opération de fixation de l'un à l'autre, de façon à former l'intervalle (10) susdit.Container (1) according to any one of claims 1 to 4, characterized in that the base (7) comprises at least three supports (17) arranged to locate the hollow body (2) relative to the base (7 ), at least during a fixing operation from one to the other, so as to form the above-mentioned interval (10). Récipient (1) suivant l'une ou l'autre des revendications 3 et 4, caractérisé en ce que l'embase (7) forme un élément de révolution creux (16) qui, à l'état fixé au corps creux (2), est coaxial au tronçon cylindrique (11) et entoure au moins la portion d'extrémité (13) en forme de calotte, la surface de pose (8) de l'embase (7) étant de préférence située au-delà de l'intersection entre la portion en forme de calotte (13) et l'axe (12) susdit, à l'opposé du tronçon cylindrique (11) précité.Container (1) according to either of Claims 3 and 4, characterized in that the base (7) forms a hollow element of revolution (16) which, in the state fixed to the hollow body (2) , is coaxial with the cylindrical section (11) and surrounds at least the end portion (13) in the form of a cap, the mounting surface (8) of the base (7) preferably being located beyond the intersection between the cap-shaped portion (13) and the aforementioned axis (12), opposite the aforementioned cylindrical section (11). Récipient (1) suivant la revendication 6, caractérisé en ce que l'embase (7) en forme d'élément de révolution (16) comporte essentiellement une paroi (18) d'un type de manchon, dressée sensiblement parallèlement à la direction de l'axe (12) précité et munie de nervures (19, 20) de raidissement réparties sur la face externe et/ou interne (21, 22) de la paroi (18) et s'étendant chacune parallèlement à l'axe (12) précité sur au moins une partie de la face (21, 22) correspondante, et éventuellement en ce qu'un collet annulaire (23) de raidissement, fixé dans l'embase (7) à la face interne (22) précitée et s'étendant parallèlement à la surface de pose (8), est prévu entre cette dernière et le corps creux (2) à l'état fixé, un intervalle (10) précité étant prévu entre collet annulaire (23) de raidissement et corps creux (2).Container (1) according to claim 6, characterized in that the base (7) in the form of an element of revolution (16) essentially comprises a wall (18) of a sleeve type, erected substantially parallel to the direction of the aforementioned axis (12) and provided with stiffening ribs (19, 20) distributed over the face external and / or internal (21, 22) of the wall (18) and each extending parallel to the aforementioned axis (12) on at least part of the corresponding face (21, 22), and possibly in that 'An annular collar (23) for stiffening, fixed in the base (7) to the above-mentioned internal face (22) and extending parallel to the laying surface (8), is provided between the latter and the hollow body ( 2) in the fixed state, an aforementioned interval (10) being provided between annular collar (23) of stiffening and hollow body (2). Récipient (1) suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que l'embase (7) présente du côté de sa surface de pose (8) au moins un orifice de passage (24) pour le fluide précité, de préférence d'une section importante par rapport à la surface de pose (8).Container (1) according to any one of Claims 1 to 7, characterized in that the base (7) has, on the side of its laying surface (8), at least one passage orifice (24) for the above-mentioned fluid, preferably of a large section relative to the laying surface (8). Récipient (1) suivant l'une quelconque des revendications 1 à 8, caractérisé en ce que le ou les endroits de fixation (9) entre corps creux (2) et embase (7) sont constitués par des points de colle résistant à des solutions de lavage du récipient et à des contraintes thermiques, de préférence une colle qui présente à l'état durci une dilatation par rapport à son état d'application sur les éléments (2, 7) à coller.Container (1) according to any one of Claims 1 to 8, characterized in that the fixing location (s) (9) between hollow body (2) and base (7) consist of dots of solution-resistant adhesive of washing the container and thermal constraints, preferably an adhesive which has in the hardened state an expansion relative to its state of application on the elements (2, 7) to be bonded. Récipient (1) suivant l'une quelconque des revendications 1 à 9, caractérisé en ce que la matière synthétique du corps creux (2) est biorientée, éventuellement à plus de 30 % de cristallinité, avantageusement à approximativement 40 % de cristallinité, de préférence libérée de tensions internes, en particulier dans la zone de fond (4), cette matière synthétique étant avantageusement du téréphtalate de polyéthylène.Container (1) according to any one of Claims 1 to 9, characterized in that the synthetic material of the hollow body (2) is bioriented, optionally at more than 30% of crystallinity, advantageously at approximately 40% of crystallinity, preferably freed from internal tensions, in particular in the bottom zone (4), this synthetic material advantageously being polyethylene terephthalate. Utilisation du récipient (1) suivant l'une quelconque des revendications 1 à 10, caractérisée en ce qu'elle consiste, dans un circuit industriel et commercial, à remplir le récipient (1) d'une boisson, en particulier de l'eau minérale naturelle, pour la stocker et la distribuer pour sa consommation, et, lorsque le récipient (1) est vide, à le collecter, le laver, le rincer et le réutiliser, aux mêmes fins de stockage et de distribution, dans un circuit industriel et commercial de boisson, éventuellement le même circuit.Use of the container (1) according to any one of claims 1 to 10, characterized in that it consists, in an industrial and commercial circuit, of filling the container (1) with a drink, especially natural mineral water, to store and distribute it for consumption, and, when the container (1) is empty, to collect it, wash it, rinse it and reuse it, for the same purposes of storage and distribution , in an industrial and commercial beverage circuit, possibly the same circuit.
EP94870158A 1993-10-12 1994-10-12 Container made of synthetic material, especially bottle Expired - Lifetime EP0647567B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9301078 1993-10-12
BE9301078A BE1007524A3 (en) 1993-10-12 1993-10-12 Container synthetic materials, in particular bottle, and use of the container.

Publications (2)

Publication Number Publication Date
EP0647567A1 true EP0647567A1 (en) 1995-04-12
EP0647567B1 EP0647567B1 (en) 1998-03-04

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EP94870158A Expired - Lifetime EP0647567B1 (en) 1993-10-12 1994-10-12 Container made of synthetic material, especially bottle

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EP (1) EP0647567B1 (en)
AT (1) ATE163614T1 (en)
BE (1) BE1007524A3 (en)
DE (1) DE69408764T2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230816A1 (en) * 1985-12-19 1987-08-05 Carnaud Kerplas Bottle with rounded bottom provided with a base and a passage for a pasteurizing fluid, and base therefor
EP0387084A1 (en) * 1989-03-09 1990-09-12 Yoshino Kogyosho Co., Ltd. Bottle-shaped container with base cap

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230816A1 (en) * 1985-12-19 1987-08-05 Carnaud Kerplas Bottle with rounded bottom provided with a base and a passage for a pasteurizing fluid, and base therefor
EP0387084A1 (en) * 1989-03-09 1990-09-12 Yoshino Kogyosho Co., Ltd. Bottle-shaped container with base cap

Also Published As

Publication number Publication date
ATE163614T1 (en) 1998-03-15
EP0647567B1 (en) 1998-03-04
DE69408764D1 (en) 1998-04-09
DE69408764T2 (en) 1998-08-27
BE1007524A3 (en) 1995-07-25

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