EP0647567B1 - Container made of synthetic material, especially bottle - Google Patents

Container made of synthetic material, especially bottle Download PDF

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Publication number
EP0647567B1
EP0647567B1 EP94870158A EP94870158A EP0647567B1 EP 0647567 B1 EP0647567 B1 EP 0647567B1 EP 94870158 A EP94870158 A EP 94870158A EP 94870158 A EP94870158 A EP 94870158A EP 0647567 B1 EP0647567 B1 EP 0647567B1
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EP
European Patent Office
Prior art keywords
container
base
hollow body
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.)
Expired - Lifetime
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EP94870158A
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German (de)
French (fr)
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EP0647567A1 (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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Classifications

    • 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

  • EP-A-0 387 084 describes a container of this kind.
  • the invention aims to remedy between others to the difficulties of rinsing the surfaces completely of plastic containers described above, to arrange these so that the products washing caustics and rinsing liquids can flow on all these external surfaces without being able stagnate there, in order to eliminate all traces of product from washing.
  • the base has, at least around an end portion of the zone bottom, a form of sleeve open at both ends, which extends substantially parallel to the longitudinal axis of the container and which therefore includes, on the side of its laying surface, an orifice for passage of large section relative to the laying surface.
  • the base includes stiffening ribs which are distributed over the face external and / or on the internal face and which each extend in parallel to the aforesaid longitudinal axis, on at least part of the face corresponding and in that, if necessary, an interval is provided between the hollow body and at least a major part of each rib stiffening of the aforementioned internal face.
  • 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 coincides substantially with this last projection.
  • FIG. 1 shows an elevation view, with partial breakage of the base, of a form of realization of a container according to the invention.
  • Figure 2 shows in elevation, with breaking, on the same scale as that of Figure 1, a view of a bottom zone of a container according to the invention.
  • Figure 3 shows an axial section through enlarged scale, in elevation, with break, of the base of the container of figure 1.
  • the bottle 1 according to the invention can have any usual cross section in the area of the product to be stored and transported.
  • This cross section could for example be hexagonal.
  • a circular cross section is however generally preferred for both the hollow body 2 and for the base 7, the hollow body 2 advantageously being cylindrical over a long section 11 of length axial h1 (figure 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 last 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 surface 8. It is therefore advantageous (Figure 2) that the bottom zone 7 connected to this cylindrical section 11 has an end portion 13 partially in shape of spherical cap, of radius R (in axial section, for the internal surface), which is coaxial with the section cylindrical 11 and whose concavity is turned towards this last, the cap possibly being flattened in its bottom 14, near its intersection with said axis 12.
  • the end portion 13 of practically shaped hemispherical advantageously provides a substantially constant thickness of the body wall hollow 2 in this place. This consistency of thickness ensures the most regular and homogeneous cooling and, consequently, an almost total absence of internal tensions in this wall. Such tensions internal, where they exist, give rise to presence of aggressive products (washing solutions, lubricants of transport chains, ...), during washing at high temperature, to "stress” phenomena cracking "by which appear in the wall of tension cracks that force to discard the bottle 1 after washing (unnecessary handling and washing and loss of the bottle 1).
  • the portion 13 in a spherical cap may have the opposite from its flattened bottom 14 a region with radius r (in axial section, for the internal surface) substantially more small than the aforementioned radius R, so that said portion end 13 ends with a cross section III-III higher 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 at diameter d2 can surround at least the end portion 13 while maintaining the aforementioned interval 10 between the rest of the base 7 and hollow body 2.
  • the bottom zone 4 has in addition an intermediate zone 15 whose cross section transverse decreases towards the end portion 13, gradually and / or in steps (FIGS. 2 and 1), from the cross section of external diameter d2 from cylindrical section 11 to cross section III-III of said end portion 13.
  • the base 7 of the invention has preferably in its general appearance the shape of a hollow revolution element 16 which, in the state fixed to the hollow body 2, is coaxial with the cylindrical section 11 and surrounds the above-mentioned end portion 13 and advantageously also the intermediate zone 15 while leaving open the aforementioned interval 10.
  • This arrangement gives the whole 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 cap-shaped portion 13 and the axis 12, at the opposite of 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 elements of automatic transport, storage areas, etc.
  • the base 7 has advantageously for example ( Figures 3 and 1) three supports 17 regularly distributed, arranged to locate the hollow body 2 relative to the base 7, at least during an operation for fixing the hollow body 2 to the base 7, so as to form the interval 10.
  • These supports 17 may have a nipple shape if by example, after the fixing operation they are no longer in contact with the hollow body 2, as 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 axis 12 and provided with stiffening ribs 19 and / or 20 regularly distributed, for example respectively on the outer 21 and inner 22 sides of the wall 18, and each extending parallel to the axis 12 on at least part of the corresponding face 21, 22.
  • An aforementioned interval 10 is also provided between this annular collar 23 of stiffening and body hollow 2.
  • the base 7 comprises advantageously, on the side of its laying surface 8, at at least one passage orifice 24 for the aforementioned fluid, preferably a large section compared to the laying surface 8 to facilitate washing, rinsing and drying of the bottle 1 between base 7 and body hollow 2.
  • the fixing locations 9 between hollow body 2 and base 7 are constituted by dots of adhesive resistant to washing solutions container and thermal stress, for example a CECA glue from Elf Aquitaine, type XPU18007, which when in the hardened state expands compared to its state of application on the elements to be bonded 2, 9.
  • a CECA glue from Elf Aquitaine, type XPU18007
  • hot melt a hot melt glue
  • This last provides temporary fixing of the elements to stick, sufficient to be able to handle them practically immediately after bonding, in an empty state, while the glue which expands upon hardening and which is based on polyurethane requires a polymerization time (hardening) of the order of 72 hours.
  • the aforementioned expansion is sized to achieve and maintain the desired interval 10.
  • the points of glue i.e. the fixing points 9 are arranged at or near the abovementioned supports 17.
  • the hollow body 2 is made of bi-oriented synthetic material, possibly more than 30% crystallinity, advantageously approximately 40% crystallinity, preferably liberated from internal tensions, especially in the bottom area 4.
  • This synthetic material is by example of polyethylene terephthalate.
  • This crystallinity high is obtained by known methods of blowing the hollow body 2 into a one-dimensional mold greater than its final dimension, by processing thermal contracting the dimension hollow body greater than a dimension less than its dimension final, and finally by a new blowing in a mold to give the hollow body 2 said dimension final.
  • This high crystallinity provides among other things better waterproofing of the wall of the latter washing and rinsing products as well as drinks stored there. This practically results a lack of subsequent restitution by said wall of flavors that it would have accumulated and that could change the flavor of a drink stored there later or that could give flavor by example to mineral water stored in bottle 1 after a recycling wash thereof.
  • the high crystallinity chosen gives also three-dimensional stability at bottle 1 when it is subjected to thermal stresses.
  • the container 1 according to the invention is used in a recyclable way, with reuse such which, in an industrial and commercial circuit of drinks sold in bottles according to the invention, in particular natural mineral water carbonated, slightly carbonated or non-carbonated, for storing and distribute these drinks for consumption.
  • the container 1 is empty, it is collected, washed, rinsed and reused for the same purpose, or for the same drink that was stored there in the previous round either for another drink compatible with the material of the hollow body 2.
  • the container 1 according to figure 1 allows a buyer to check easily in the bottom of the container for example the good condition of purity of a drink stored there.
  • the same possibility can exist if one foresees in the base 7 (of Figures 1 and 3) of the lateral holes suitably arranged to be able to see through these the bottom of the container and especially the product which is stored there, this product can be among others a other than a drink.
  • the base 7 of FIG. 1 can for example be with side openings to visualize the bottom of the body hollow 2: the product it contains, the state of cleanliness from this background ...

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

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 présente une surface de pose pour la bouteille et qui est fixée au corps creux en au moins un endroit de fixation présentant une dimension réduite par rapport à la zone de fond,
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 has a mounting surface for the bottle and which is fixed to the hollow body at at least one fixing location having a reduced dimension compared to the bottom zone,

La EP-A-0 387 084 décrit un récipient de ce genre.EP-A-0 387 084 describes a container of this kind.

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 carry out such containers so that they can be used several times for the same packaging use of drinks, such as 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 bottles synthetic, especially for drinks, cannot take place only after a very careful washing and rinsing of these bottles, both for their surfaces internal than for their external surfaces. In particular rinsing, after washing with products caustic, must be total to avoid traces of these products remain on the bottle and in subsequently attack 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 invention aims to remedy between others to the difficulties of rinsing the surfaces completely of plastic containers described above, to arrange these so that the products washing caustics and rinsing liquids can flow on all these external surfaces without being able stagnate there, in order to eliminate all traces of product from washing.

A cet effet, suivant l'invention : l'embase présente, au moins autour d'une portion d'extrémité de la zone de fond, une forme de manchon ouvert à ses deux extrémités, qui s'étend sensiblement parallèlement à l'axe longitudinal du récipient et qui comporte de ce fait, du côté de sa surface de pose, un orifice de passage de section importante par rapport à la surface de pose.To this end, according to the invention: the base has, at least around an end portion of the zone bottom, a form of sleeve open at both ends, which extends substantially parallel to the longitudinal axis of the container and which therefore includes, on the side of its laying surface, an orifice for passage of large section relative to the laying surface.

Suivant une forme de réalisation de l'invention, l'embase comprend des nervures de raidissement qui sont réparties sur la face externe et/ou sur la face interne et qui s'étendent chacune parallèlement à l'axe longitudinal susdit, sur au moins une partie de la face correspondante et en ce que, le cas échéant, un intervalle est ménagé entre le corps creux et au moins une majeure partie de chaque nervure de raidissement de la face interne précitée.According to one embodiment of the invention, the base includes stiffening ribs which are distributed over the face external and / or on the internal face and which each extend in parallel to the aforesaid longitudinal axis, on at least part of the face corresponding and in that, if necessary, an interval is provided between the hollow body and at least a major part of each rib stiffening of the aforementioned internal face.

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 coincides substantially with this last projection.

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 peculiarities of the invention will emerge from the secondary claims and of the description of the drawings which are annexed to the present brief and which illustrate, by way of examples non-limiting the container and its following use 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. FIG. 1 shows an elevation view, with partial breakage of the base, of a form of realization of a container according to the invention.

La figure 2 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 2 shows in elevation, with breaking, on the same scale as that of Figure 1, a view of a bottom zone of a container according to the invention.

La figure 3 montre une coupe axiale à échelle agrandie, en élévation, avec brisure, de l'embase du récipient de la figure 1.Figure 3 shows an axial section through enlarged scale, in elevation, with break, of the base of the container of figure 1.

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

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 1) en au moins 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. 1) in at least one 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 abovementioned 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 area of the product to be stored and transported. This cross section could for example be hexagonal. A circular cross section is however generally preferred for both the hollow body 2 and for the base 7, the hollow body 2 advantageously being cylindrical over a long section 11 of length axial h1 (figure 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 (figure 1), 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 last projection. For example, in the case circular cross sections (Figure 1), 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 manipulations are in contact with each other by a generating their hollow body 2, over a length important. This prevents imbalanced support from bottle 1 against another, this unbalanced support may exist in the opposite case because then the length of contact between two contiguous bottles 1, limited to the height of the base 7, is too short and because this contact is off-center compared 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 2) 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 surface 8. It is therefore advantageous (Figure 2) that the bottom zone 7 connected to this cylindrical section 11 has an end portion 13 partially in shape of spherical cap, of radius R (in axial section, for the internal surface), which is coaxial with the section cylindrical 11 and whose concavity is turned towards this last, the cap possibly being flattened in its bottom 14, near 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 chaínes 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 shaped hemispherical advantageously provides a substantially constant thickness of the body wall hollow 2 in this place. This consistency of thickness ensures the most regular and homogeneous cooling and, consequently, an almost total absence of internal tensions in this wall. Such tensions internal, where they exist, give rise to presence of aggressive products (washing solutions, lubricants of transport chains, ...), during washing at high temperature, to "stress" phenomena cracking "by which appear in the wall of tension cracks that force to discard the bottle 1 after washing (unnecessary handling and washing and loss of the 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 have the opposite from its flattened bottom 14 a region with radius r (in axial section, for the internal surface) substantially more small than the aforementioned radius R, so that said portion end 13 ends with a cross section III-III higher 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 last provision preferred, a base 7 of diameter d1 less than or equal at diameter d2 can surround at least the end portion 13 while maintaining the aforementioned 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 décroít en direction de la portion d'extrémité 13, progressivement et/ou en gradin (figures 2 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 portion end 13 and the cylindrical section 11 in this last preferred arrangement, the bottom zone 4 has in addition an intermediate zone 15 whose cross section transverse decreases towards the end portion 13, gradually and / or in steps (FIGS. 2 and 1), from the cross section of external diameter d2 from cylindrical section 11 to 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 has preferably in its general appearance the shape of a hollow revolution element 16 which, in the state fixed to the hollow body 2, is coaxial with the cylindrical section 11 and surrounds the above-mentioned end portion 13 and advantageously also the intermediate zone 15 while leaving open the aforementioned interval 10. This arrangement gives the whole 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 cap-shaped portion 13 and the axis 12, at the opposite of 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 elements of automatic transport, storage areas, etc.

Suivant l'invention, l'embase 7 présente avantageusement par exemple (figures 3 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 has advantageously for example (Figures 3 and 1) three supports 17 regularly distributed, arranged to locate the hollow body 2 relative to the base 7, at least during an operation for fixing the hollow body 2 to the base 7, so as to form the interval 10. These supports 17 may have a nipple shape if by example, after the fixing operation they are no longer in contact with the hollow body 2, as explained below.

Dans une forme de réalisation préférée de l'invention, (figure 3) 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. 3) 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 axis 12 and provided with stiffening ribs 19 and / or 20 regularly distributed, for example respectively on the outer 21 and inner 22 sides of the wall 18, and each extending parallel to the axis 12 on at least part of the corresponding face 21, 22. Advantageously, an annular collar 23, 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, so stiffen the base 7 against crushing radial. An aforementioned interval 10 is also provided between this annular collar 23 of stiffening and body hollow 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 comprises advantageously, on the side of its laying surface 8, at at least one passage orifice 24 for the aforementioned fluid, preferably a large section compared to the laying surface 8 to facilitate washing, rinsing and drying of the bottle 1 between base 7 and body hollow 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 dots of adhesive resistant to washing solutions container and thermal stress, for example a CECA glue from Elf Aquitaine, type XPU18007, which when in the hardened state expands compared to its state of application on the elements to be bonded 2, 9. In in this case it is appropriate to make a mixture of glues, for example composed of the aforementioned glue and a hot melt glue called "hot melt". This last then provides temporary fixing of the elements to stick, sufficient to be able to handle them practically immediately after bonding, in an empty state, while the glue which expands upon hardening and which is based on polyurethane requires a polymerization time (hardening) of the order of 72 hours. The aforementioned expansion is sized to achieve and maintain the desired interval 10.

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 desired that the points of glue, i.e. the fixing points 9 are 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 synthetics 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 bi-oriented synthetic material, possibly more than 30% crystallinity, advantageously approximately 40% crystallinity, preferably liberated from internal tensions, especially in the bottom area 4. This synthetic material is by example of polyethylene terephthalate. This crystallinity high is obtained by known methods of blowing the hollow body 2 into a one-dimensional mold greater than its final dimension, by processing thermal contracting the dimension hollow body greater than a dimension less than its dimension final, and finally by a new blowing in a mold to give the hollow body 2 said dimension final. This high crystallinity provides among other things better waterproofing of the wall of the latter washing and rinsing products as well as drinks stored there. This practically results a lack of subsequent restitution by said wall of flavors that it would have accumulated and that could change the flavor of a drink stored there later or that could give flavor by example to mineral water stored in 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 gives also three-dimensional stability at 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 way, with reuse such which, in an industrial and commercial circuit of drinks sold in bottles according to the invention, in particular natural mineral water carbonated, slightly carbonated or non-carbonated, for storing and distribute these drinks for consumption. When the container 1 is empty, it is collected, washed, rinsed and reused for the same purpose, or for the same drink that was stored there in the previous round either 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 not in no way limited to the embodiments described and that many modifications can be made to these last without departing from the scope of the present invention.

On appréciera par exemple que le récipient 1 suivant la figure 1 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 3) 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 figure 1 allows a buyer to check easily in the bottom of the container for example the good condition of purity of a drink stored there. The same possibility can exist if one foresees in the base 7 (of Figures 1 and 3) of the lateral holes suitably arranged to be able to see through these the bottom of the container and especially the product which is stored there, this product can be among others a other than a drink.

Egalement en variante de la présente invention, l'embase 7 de la figure 1 peut par exemple être munie d'ouvertures latérales 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. 1 can for example be with side openings to visualize the bottom of the body hollow 2: the product it contains, the state of cleanliness from this background ...

Claims (11)

  1. Container (1) made of synthetic material, especially bottle (1), comprising:
    a hollow body (2) which is intended to receive a product to be stored and conveyed and which includes a bottom zone (4), and
    a base (7) which presents a putting down surface (8) for the bottle (1) and which is fixed to the hollow body (2) in at least one fixing point (9) presenting a reduced size compared with the bottom zone (4),
    outside the fixing point or points (9), the container (1) presenting, between the rest of the base (7) and the hollow body (2), a gap (10) for a natural flow of a fluid,
    characterized in that the base (7) presents, at least around an end portion (13) of the bottom zone (4), a form of open sleeve at its two ends, which extends roughly parallel to the longitudinal axis (12) of the container (1) and which includes hence, on its putting down surface (8) side, a hole (24) of large section compared with the putting down surface (8).
  2. Container according to claim 1, characterized in that the base (7) comprises reinforcing ribs (19, 20) which are distributed over the external face (21) and/or over the internal face (22) and which each extend parallel to the above-mentioned longitudinal axis (12), over at least part of the corresponding face (21, 22) and in that, if applicable, a gap (10) is provided between the hollow body (2) and at least most of each reinforcing rib (20) of the aforementioned internal face (22).
  3. Container according to claim 2, characterized in that the base (7) comprises, fixed to its internal face (22), an annular reinforcing collar (23) which extends roughly parallel to the putting down surface (8) and towards the inside of the base (7) from the internal face (22) and whose collar faces turned respectively one towards the filling hole (6) of the container (1) and the other towards the putting down surface (8) are both inclined in relation to a plans perpendicular to the longitudinal axis (12) and included between these two faces of the collar (23), the inclination of the latter moving them closer to each other and to this perpendicular plane as one moves away radially from the internal face (22) towards the longitudinal axis (12), and in that a gap (10) is provided between the hollow body (2) and the collar (23).
  4. Container (1) according to any one of the claims 1 to 3, characterized in that a projection of the base (7) upon a plane passing through the putting down surface (8) is included in a projection of the hollow body (2) upon the same plane or roughly coincides with this latter projection.
  5. Container (1) according to any one of the claims 1 to 4, characterized in that the hollow body (2) presents a roughly cylindrical section (11) with axis (12) practically perpendicular to the said putting down surface (8), and in that the bottom zone (4) connected to this cylindrical section (11) presents an end portion (13) at least partly roughly in the form of a portion of a sphere which is coaxial with the cylindrical section (11) and whose concave side is turned towards the latter.
  6. Container according to claim 5, characterized in that the aforementioned portion of a sphere is flattened (at 14) in the vicinity of its intersection with the said axis (12).
  7. Container according to either of the claims 5 and 6, characterized in that the said end portion (13) in the form of a portion of a sphere presents 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) presents moreover an intermediate zone (15) whose cross section decreases towards the end portion (13), progressively and/or in steps, from the cross section of the cylindrical section (11) to the cross section (III-III) of the said end portion (13).
  8. Container (1) according to any one of the claims 1 to 7, characterized in that the base (7) includes at least three supports (17) arranged to locate the hollow body (2) in relation to the base (7), at least during an operation to fix one to the other, so as to form the above-mentioned gap (10).
  9. Container (1) according to any one of the claims 5 to 7, characterized in that the base (7) forms a hollow element of revolution (16) which, in the fixed to the hollow body (2) state, is coaxial with the cylindrical section (11) and surrounds at least the end portion (13) in the form of a portion of a sphere, the putting down surface (8) of the base (7) being situated beyond the intersection between the portion of a sphere (13) and the above-mentioned axis (12), opposite the aforementioned cylindrical section (11).
  10. Container (1) according to any one of the claims 1 to 9, characterized in that the fixing point or points (9) between hollow body (2) and base (7) are constituted by spots of adhesive resistant to solutions for washing the container and to thermal stresses, and in that the adhesive presents in the hardened state an expansion compared with its application state on the elements (2, 7) to be bonded, the gap (10) between hollow body (2) and base (7) being produced or increased by that after the adhesive has hardened.
  11. Container (1) according to any one of the claims 1 to 10, characterized in that the synthetic material of the hollow body (2) is biaxially stretched, possibly with more than 30% crystallinity, advantageously with approximately 40% crystallinity, preferably relieved of internal stresses, especially in the bottom zone (4), this synthetic material being advantageously polyethylene terephthalate.
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
BE9301078A BE1007524A3 (en) 1993-10-12 1993-10-12 Container synthetic materials, in particular bottle, and use of the container.
BE9301078 1993-10-12

Publications (2)

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

Family

ID=3887419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94870158A Expired - Lifetime EP0647567B1 (en) 1993-10-12 1994-10-12 Container made of synthetic material, especially bottle

Country Status (4)

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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592000B1 (en) * 1985-12-19 1988-03-25 Carnaud Kerplas BASE FOR SPHERICAL BOTTLE CONTAINER AND PASTEURIZED BOTTLE
JPH0734828Y2 (en) * 1989-03-09 1995-08-09 株式会社吉野工業所 Bottle made of synthetic resin

Also Published As

Publication number Publication date
DE69408764D1 (en) 1998-04-09
ATE163614T1 (en) 1998-03-15
EP0647567A1 (en) 1995-04-12
BE1007524A3 (en) 1995-07-25
DE69408764T2 (en) 1998-08-27

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