EP1268280B1 - Procede de fardelage de contenants alimentaires, notamment des bouteilles - Google Patents

Procede de fardelage de contenants alimentaires, notamment des bouteilles Download PDF

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Publication number
EP1268280B1
EP1268280B1 EP01919763A EP01919763A EP1268280B1 EP 1268280 B1 EP1268280 B1 EP 1268280B1 EP 01919763 A EP01919763 A EP 01919763A EP 01919763 A EP01919763 A EP 01919763A EP 1268280 B1 EP1268280 B1 EP 1268280B1
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EP
European Patent Office
Prior art keywords
heat
deformable portion
containers
heat flow
covering
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
Application number
EP01919763A
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German (de)
English (en)
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EP1268280A1 (fr
Inventor
Enrico Danovaro
Mauro Bonelli
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Decopack Srl
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Decopack Srl
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Publication of EP1268280A1 publication Critical patent/EP1268280A1/fr
Application granted granted Critical
Publication of EP1268280B1 publication Critical patent/EP1268280B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B21/00—Packaging or unpacking of bottles
    • B65B21/24—Enclosing bottles in wrappers
    • B65B21/245—Enclosing bottles in wrappers in flexible wrappers, e.g. foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/58—Applying two or more wrappers, e.g. in succession
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
    • B65D71/10—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles and provided with inserts

Definitions

  • the present invention relates to a method of bundling up food containers, in particular bottles.
  • a particular sphere in this wide economical sector is represented by all activities connected with bottling and preparation of drinks and beverages, among which waters and soft fizzy drinks are to be mentioned; this sector has peculiar technical and production problems resulting from the nature of the drinks themselves and their wide diffusion in the field of private food supply and public catering.
  • these drinks are put on the market in bottles of any volume (usually 1.5 or even 2 litres), made of plastic material (polyethylene commonly known with the abbreviation PET, for example); it is to be noted that, in order to limit the expansion effects of carbon dioxide with which such drinks are added, often while bottling operations are being carried out, the drink is submitted to a low temperature treatment.
  • plastic material polyethylene commonly known with the abbreviation PET, for example
  • drink-containing bottles are sold in multiple packages, i.e. comprising more than one bottle (for instance, packages of two to six bottles are commonly available but assemblies of eight or twelve bottles or even more are not rare); such packages, also called “bundlings" in the jargon of those working in this particular field, are essentially made up of a given number of bottles held together by bands of heat-shrinkable plastic material pressing them together, by partly or fully surrounding them.
  • a process of great bearing on production of packages of food containers and in particular drink containers involves the step of mutually linking two or more bottles by a tubular band of elastically extensible plastic material which in this case is not employed for its heat-shrinkable properties but is used for the purpose of laterally clenching the bottles and keep them mutually in position.
  • This production method essentially aims at obtaining a finished product adapted to be sold by retail in a single solution (in other words, the two or more packaged bottles can be easily picked up by a single consumer and treated like a single product to be purchased).
  • a plastic band suitably made adhesive can be used for linking to the side surface of the bottles to be joined together.
  • Such processes generally enable achievement of assemblies of two, three or four bottles wherein the pack consists of a single side band and a plastic handle engaged thereto.
  • pallets containing a great number of packages for transport and/or storage in warehouses can be formed, by covering two or more of these unitary assemblies with a heat-shrinkable plastic film and acting in the same manner as previously described for individual bottles.
  • a drawback connected with known bundling-up methods consists in that, depending on current technical requirements, the most important physical parameters (heat intensity and exposure) for treatment of the heat-shrinkable covering by heat flow are greatly variable; in other words, greatly different is the machinery (ovens) capable of carrying out this operation.
  • the technical task underlying the present invention is to substantially obviate the drawbacks of the known art.
  • the method in accordance with the present invention is advantageously put into practice in a continuous and automated production line, along a sequence of operating stations partly shown in Fig. 1; at the entry of such a production line a predetermined number of single bottles is fed, whereas at the exit of the line itself packages of any number of unitary assemblies of bottles are gathered, depending on requirements.
  • the method of the present invention involves the steps hereinafter described, set out in a preferential but not-limiting sequence.
  • the bottles or more generally containers 1 are handled along a feed direction 6 towards a first station (not shown) in which the engagement step of the individual containers 1 is carried out; in particular, it is to be noted that two or more containers 1 (depending on requirements) are mutually engaged by use of an interconnecting element 2 substantially defined by an elastically extensible film of plastic material.
  • This film is substantially defined by a tubular band wrapping the containers 1 and pressing them against each other, which containers are arranged in side by side relationship at their side portions.
  • the film in question can be also made up of a ribbon-like plastic element substantially having the same sizes as the tubular band and provided with at least one adhesive surface.
  • This element is disposed on containers 1 in the same manner as the above mentioned elastically-extensible band; obviously, the application modalities of the two possible alternative embodiments of the interconnecting element 2, known by themselves, are slightly different depending on whether unwinding of an adhesive tape around containers 1 is required or an elastically-extensible band is to be adapted around said containers, by insertion from the top the for example.
  • the interconnecting element 2 irrespective of the nature of the possible alternative embodiments, has a heat-deformable portion 2a; in particular such a heat-deformable portion 2a is defined by all parts of the interconnecting element 2 that are not in direct contact with containers 1.
  • a heat-deformable portion 2a is defined by all parts of the interconnecting element 2 that are not in direct contact with containers 1.
  • the intrinsic thermal properties of the interconnecting element 2 are obviously constant over the whole element, but with the production method of the present invention, the parts of the interconnecting element 2 that are in contact with a bottle (that, as already mentioned, holds an important mass of liquid at a constant temperature greatly lower than the oven's temperature) almost completely absorb the heat transmitted to these parts, because thermal inertia has greatly increased. Thus, arising of thermal deformations due to heat flows in the oven is prevented in these regions.
  • Fig. 1 highlights the presence of unprotected bands 2a on both the lateral sides of the package. Also explanatory in this connection is Fig. 6.
  • a transport handle may be inserted between the containers 2 and the interconnecting element 2; this transport handle comprises a ribbon also made of plastic material, having a central portion designed to be manually grasped by a user, and typically two end portions that are made adhesive and linked to the interconnecting element 2 at symmetrically opposite regions of the same and to the containers 1 occupying the end positions.
  • this production step brings to creation of a unitary assembly 3 defined by containers 1 in cooperation with the interconnecting element.
  • At least two unitary assemblies 3 are handled towards a second station 8 wherein a step of mutual engagement between these unitary assemblies 3 is carried out; this production step involves wrapping of a covering 4 of heat-sensitive plastic material around at least two unitary assemblies 3.
  • a package 5 is defined which substantially consists of any number (typically two or three) of unitary assemblies 3 in cooperation with covering 4.
  • Package 5 obtained in the last-mentioned production step is then submitted to a process step designed to enable protection of the heat-deformable portion 2a.
  • the final step of the production method in accordance with the present invention involves handling of package 5 towards a final station 10; in this final station 10 which substantially consists of an oven, covering 4 is caused to adhere to the unitary assemblies 3; in conformity with the known art, this step is put into practice by exposure of package 5 to a heat flow causing shrinkage of the heat-shrinkable covering 4 and therefore internal pressing against each other of the unitary assemblies 3 formed by containers 1 and in addition mutually linked by the interconnecting elements 2.
  • the step of protecting and shielding the heat-deformable portion 2a can be advantageously accomplished following two different modalities to be used individually or in combination with each other, depending on requirements and on the packaging line.
  • a first alternative operating embodiment essentially involves the sub-step of wetting the heat-deformable portion 2a at least partly, so as to give the heat-deformable portion 2a a thermal inertia which is at least comparable with the inertia of the portions of the interconnecting element that are in contact with containers 1.
  • this liquid jet advantageously consists of an atomized, preferably micronized, water jet so as to create a uniformly distributed and persistent thin liquid layer.
  • the created thin liquid layer will evaporate by effect of the heat flow, absorbing the heat transmitted to the heat-deformable portion 2a and consequently preventing deterioration thereof.
  • the micronized water jet is previously pressurized to a high pressure to utilise lowering of the water temperature (and therefore increase the "shielding" properties of the water) following a adiabatic expansion at the time of the jet.
  • the step of wetting the heat-deformable portion 2a is performed in a third operating station 9 towards which package 5 is handled after its coming out of the second operating station 8 previously described; after completion of the above step, package 5 is handled to the already mentioned final station 10 for carrying out the operations provided therein.
  • the step of wetting the heat-deformable portion 2a is carried out by use of at least one sprayer 11 oriented transversely of the feed direction 6 and operatively active on the heat-deformable portion 2a; obviously, for achievement of the same result on both the exposed sides of the package, at least two sprayers 11 are employed; they are oriented transversely of the feed direction 6 on opposite sides with respect to package 5 but always operatively active on the heat-deformable portion 2a.
  • An alternative operating embodiment of the method of the present invention or an integration thereof consists in protecting the heat-deformable portion 2a by shielding it against the heat flow through arrangement of a protection element 12 associated with the final station 10 (mounted at the inside of the oven for example, so as to protect the heat-deformable portion 2a when package 5 is introduced into the oven itself) and operatively active at least on the heat-deformable portion 2a for the purpose of at least partly intercepting the heat flow striking thereon.
  • the protection element 12 may consist of a plate-like body disposed close to the heat-deformable portion 2a and oriented in a direction substantially parallel to the feed direction 6 over about the whole length of the oven.
  • the method of the present invention further comprises a step of deflecting the heat flow striking on the heat-deformable portion 2a; this step is accomplished by use of deflecting means 13 operatively active on the heat flow to prevent indirect interactions between the heat flow and the heat-deformable portion 2a.
  • the deflecting means 13 can be provided or not with deflecting fins 14 extending from the opposite sides of the edge of the protection element 12 and oriented in an oblique direction with respect to the feed direction 6 to cut the heat flow; these deflecting fins 14 perform the function of intercepting or at all events cutting the exchange of energy with the heat flow, and in particular the conductive and/or radiating heat flow.
  • the just described sub-step can be integrated by deflecting the incident heat flow in an active manner, i.e. by blowing air to a lower temperature than the heat flow temperature.
  • this is obtained by means of blowing nozzles 15 the operating axis of which is oriented in a direction substantially striking on the heat-deformable portion 2a to cut the heat flow (in particular, the convective heat flow).
  • At least one central diffuser 16 may be provided which is formed in the middle of the protection element 12; such a central diffuser 16 has an operating axis oriented in a direction substantially perpendicular to the heat-deformable portion 2a and in turn is designed to cut the convective heat flow.
  • the method of the present invention in its alternative embodiments, enables bundling up of containers in particular for drinks to be obtained in which provision is made for the presence of at least two containers 1, at least one interconnecting element 2 associated with said containers 1 and a covering 4 of heat-sensitive material substantially adhering to the unitary assemblies 3.
  • a package 5 formed of a singly unitary assembly 3 may be envisaged; possibly, the unitary assemblies 3 present in the package can be equipped with a transport handle shaped as previously described.
  • the invention achieves important advantages.
  • the step of protecting the heat-deformable portion 2a greatly prevents occurrence of problems connected with mechanical and aesthetic deterioration of the elastically extensible band, while at the same time allowing an efficient adaptation of the heat-shrinkable covering 4, so that a package made up of any amount of unitary assemblies can be produced, which assemblies in turn can consist of an arbitrary number of containers; this represents a great advantage from the point of view of the production flexibility.
  • the step of shielding the heat-deformable portion 2a can apply to any combination of intensity of the heat flow and exposure of the package to the heat flow itself; in fact, in order to ensure a sufficient shielding of the heat-deformable portion 2a it is possible to conveniently act on the quantity and/or temperature of the water to be sprayed, and/or the protection element 12 and deflecting means 13 associated therewith can be suitably sized; in accordance with the above, in this case too advantages are obtained in terms of quality of the finished product and working flexibility.
  • the elastic side bands are disposed in such a manner that they join together individual bottles disposed in horizontal side by side relationship with respect to the feed direction, i.e. bottles arranged in a configuration rotated through 90° as compared with the configuration shown in Fig. 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (14)

  1. Procédé de fardelage de contenants, notamment des contenants de boissons, comprenant les étapes suivantes:
    engager au moins deux contenants (1) par un élément de liaison (2) ayant au moins une portion déformable à la chaleur (2a); lesdits contenants (1) définissant un groupe unitaire (3) en coopération avec ledit élément de liaison (2);
    engager au moins deux groupes unitaires (3) par un revêtement (4) de matériau thermosensible, lesdits groupes unitaires (3) définissant un empaquetage (5) en coopération avec le revêtement (4); et
    faire essentiellement adhérer ledit revêtement (4) aux groupes unitaires (3) par l'exposition dudit empaquetage (5) à un écoulement de chaleur;
    caractérisé en ce qu'il comporte en outre l'étape de protéger la portion déformable à la chaleur (2a) de l'élément de liaison (2) contre l'écoulement de chaleur.
  2. Procédé selon la revendication 1, caractérisé en ce qu'il comporte les étapes suivantes:
    déplacer les contenants (1) le long d'une direction d'alimentation (6) vers un premier poste (7) effectuant l'étape d'engager les contenants (1);
    engager au moyens deux contenants (1) par l'élément de liaison (2) ayant ladite au moins une portion déformable à la chaleur (2a);
    déplacer au moins deux groupes unitaires (3) vers un deuxième poste (8) effectuant ladite étape d'engager les groupes unitaires (3);
    engager au moins deux groupes unitaires (3) par le revêtement de matériau thermosensible;
    protéger la portion déformable à la chaleur (2a) contre l'écoulement de chaleur;
    déplacer l'empaquetage (5) vers un poste final (10) effectuant l'étape de faire adhérer le revêtement aux groupes unitaires; et
    faire essentiellement adhérer ledit revêtement (4) aux groupes unitaires (3) par l'exposition de l'empaquetage (5) à l'écoulement de chaleur.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'étape de protéger la portion déformable à la chaleur (2a) comporte la sous-étape d'humecter au moins partiellement la portion déformable à la chaleur (2a).
  4. Procédé selon la revendication 3, caractérisé en ce que l'étape d'humecter la portion déformable à la chaleur (2a) comporte la sous-étape de vaporiser un jet liquide sur la portion déformable à la chaleur (2a), ladite étape d'humectage impliquant par exemple l'emploi d'un jet d'eau atomisé, et de préférence la micronisation d'un jet d'eau.
  5. Procédé selon la revendication 2, caractérisé en ce que les étapes de déplacer les contenants (1) le long de la direction d'alimentation (6) vers le premier poste (7) effectuant l'étape d'engager les contenants (1), d'engager au moins deux contenants (1) par l'élément de liaison (2), de déplacer au moins deux groupes unitaires (3) vers le deuxième poste (8) effectuant l'étape d'engager les groupes unitaires (3), d'engager au moins deux troupes unitaires (3) par le revêtement (4) de matériau thermosensible, de déplacer l'empaquetage, (5) vers le poste final (10) effectuant l'étape de faire adhérer le revêtement (4) aux groupes unitaires (3), et de faire essentiellement adhérer ledit revêtement (4) aux groupes unitaires (3) par l'exposition de l'empaquetage (5) à l'écoulement de chaleur, ont lieu en succession dans le temps.
  6. Procédé selon la revendication 5, caractérisé en ce que l'étape de protéger la portion déformable à la chaleur (2a) a lieu au moins en même temps que l'étape de faire adhérer le revêtement (4) aux groupes unitaires (3).
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion déformable à la chaleur (2a) comporte au moins deux surfaces latérales de l'élément de liaison (2) qui s'étendent entre les deux contenants (1) dans une direction de préférence essentiellement parallèle à la direction d'alimentation (6).
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'étape d'humecter la portion déformable à la chaleur (2a) est réalisée par l'emploi d'au moins un pulvérisateur (11) orienté transversalement à la direction d'alimentation (6) et actif de manière opérante sur la portion déformable à la chaleur (2a).
  9. Procédé selon la revendication 1, caractérisé en ce que l'étape de protéger la portion déformable à la chaleur (2a) contre l'écoulement de chaleur comporte la sous-étape de prévoir un élément de protection (12) associé au poste final (10) lequel est actif de manière opérante au moins sur la portion déformable à la chaleur (2a) pour intercepter au moins partiellement l'écoulement de chaleur frappant ladite portion déformable à la chaleur (2a).
  10. Procédé selon la revendication 9, caractérisé en ce que ledit élément de protection (12) a un corps en forme de plaque disposé proche de la portion déformable à la chaleur (2a) et orienté dans une direction essentiellement parallèle à la direction d'alimentation (6).
  11. Procédé selon la revendication 9, caractérisé en ce que l'étape de protéger la portion déformable (2a) comporte en outre l'étape de dévier l'écoulement de chaleur frappant la portion déformable à la chaleur (2a) par l'emploi de moyens déflecteurs (13) actifs de manière opérante sur l'écoulement de chaleur pour empêcher des interactions indirectes entre l'écoulement de chaleur et la portion déformable à la chaleur (2a).
  12. Procédé selon la revendication 11, caractérisé en ce que lesdits moyens déflecteurs (13) comportent des ailettes déflectrices (14) s'étendant sur les côtés opposés du bord de l'élément de protection (12) et orientées dans une direction oblique par rapport à la direction d'alimentation (6) pour couper l'écoulement de chaleur, notamment l'écoulement de chaleur conducteur et/ou radiant.
  13. Procédé selon la revendication 11, caractérisé en ce que l'étape de dévier l'écoulement de chaleur incident comporte la sous-étape de souffler de l'air contre la portion déformable à la chaleur (2a) à une température plus basse que celle de l'écoulement de chaleur.
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'étape d'engager au moins deux contenants (1) est réalisée par l'emploi d'une pellicule de matière plastique élastiquement extensible définie par une bande tubulaire destinée à entourer et presser lesdits contenants (1) disposés réciproquement côte à côte en correspondance avec les portions latérales des contenants (1) eux-mêmes.
EP01919763A 2000-04-04 2001-03-26 Procede de fardelage de contenants alimentaires, notamment des bouteilles Expired - Lifetime EP1268280B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI200709 2000-04-04
IT2000MI000709A IT1317159B1 (it) 2000-04-04 2000-04-04 Metodo per l'affardellamento di contenitori per alimenti inparticolare per bottiglie
PCT/IT2001/000150 WO2001074668A1 (fr) 2000-04-04 2001-03-26 Procede de fardelage de contenants alimentaires, notamment des bouteilles

Publications (2)

Publication Number Publication Date
EP1268280A1 EP1268280A1 (fr) 2003-01-02
EP1268280B1 true EP1268280B1 (fr) 2004-05-26

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Application Number Title Priority Date Filing Date
EP01919763A Expired - Lifetime EP1268280B1 (fr) 2000-04-04 2001-03-26 Procede de fardelage de contenants alimentaires, notamment des bouteilles

Country Status (6)

Country Link
EP (1) EP1268280B1 (fr)
AR (1) AR028309A1 (fr)
AU (1) AU2001246821A1 (fr)
IT (1) IT1317159B1 (fr)
TR (1) TR200401891T4 (fr)
WO (1) WO2001074668A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653391A1 (fr) * 2012-04-18 2013-10-23 Borealis AG Films rétractables de collation
US10287074B2 (en) 2012-04-18 2019-05-14 Borealis Ag Collation shrink films
EP3606832B1 (fr) 2017-04-04 2021-03-31 KHS GmbH Installation et procédé de fabrication d'emballages

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832985B1 (fr) 2001-12-05 2004-03-05 Autobar Flexible Neoplast Dispositif de groupage et de transport manuel de corps volumetriques du type bouteilles
US9216832B2 (en) * 2010-05-24 2015-12-22 Alain Cerf Heat shrinkable bubble wrapping machine
DE102012016339A1 (de) * 2012-08-20 2014-04-10 Khs Gmbh Gebinde und Herstellverfahren
DE102012016340A1 (de) * 2012-08-20 2014-02-20 Khs Gmbh Gebinde und Verfahren zur Bildung von Gebinden
ES2747986T3 (es) 2015-02-27 2020-03-12 Dow Global Technologies Llc Procedimientos y sistemas para medir las fuerzas de una película retráctil
CN110143329B (zh) * 2019-06-28 2021-03-09 舟山市鲨鱼制药机械有限公司 一种热膜收缩机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2058694A1 (de) * 1970-11-28 1972-05-31 Bischof & Klein Verpackung
DE2608442A1 (de) * 1976-03-01 1977-09-08 Nuetro Hirsch & Co Verfahren und einrichtung zur herstellung einer verpackung eines gegenstandes, insbesondere eines flaschenpakets, aus einer kunststofffolie
DE19616153A1 (de) * 1996-04-23 1997-10-30 Focke & Co Gebindeverpackung sowie Verfahren und Vorrichtung zum Herstellen derselben

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653391A1 (fr) * 2012-04-18 2013-10-23 Borealis AG Films rétractables de collation
WO2013156532A1 (fr) * 2012-04-18 2013-10-24 Borealis Ag Films rétractables de regroupement
CN104487350A (zh) * 2012-04-18 2015-04-01 博瑞立斯有限公司 整理收缩膜
CN104487350B (zh) * 2012-04-18 2016-08-17 博瑞立斯有限公司 整理收缩膜
US10287074B2 (en) 2012-04-18 2019-05-14 Borealis Ag Collation shrink films
EP3606832B1 (fr) 2017-04-04 2021-03-31 KHS GmbH Installation et procédé de fabrication d'emballages

Also Published As

Publication number Publication date
IT1317159B1 (it) 2003-05-27
AR028309A1 (es) 2003-05-07
TR200401891T4 (tr) 2004-10-21
AU2001246821A1 (en) 2001-10-15
ITMI20000709A0 (it) 2000-04-04
ITMI20000709A1 (it) 2001-10-04
EP1268280A1 (fr) 2003-01-02
WO2001074668A1 (fr) 2001-10-11

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