ES2590453T3 - Recipiente compuesto y método para fabricar el mismo - Google Patents

Recipiente compuesto y método para fabricar el mismo Download PDF

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Publication number
ES2590453T3
ES2590453T3 ES09700492.3T ES09700492T ES2590453T3 ES 2590453 T3 ES2590453 T3 ES 2590453T3 ES 09700492 T ES09700492 T ES 09700492T ES 2590453 T3 ES2590453 T3 ES 2590453T3
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Spain
Prior art keywords
container
internal
external
adhesive
adhesive connection
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ES09700492.3T
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English (en)
Inventor
Wilhelmus Johannes Joseph Maas
Dominicus Jan Van Wijk
Josephus Cornelis Snijders
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Dispensing Technologies BV
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Dispensing Technologies BV
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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • 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
    • B65D23/02—Linings or internal coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5227—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles
    • B29C66/52271—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles one tubular article being placed inside the other
    • B29C66/52272—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles one tubular article being placed inside the other concentrically, e.g. for forming multilayer tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/078—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/30—Preforms or parisons made of several components
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2949/00—Indexing scheme relating to blow-moulding
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/001—Layered products the layers being loose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7154—Barrels, drums, tuns, vats
    • B29L2031/7156—Pressure vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0827—Bags in box
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

Recipiente compuesto que comprende un recipiente externo indeformable y al menos un recipiente interno flexible recibido en el mismo, cuyo recipiente interno comprende una abertura de dispensación la cual está montada en un cuello del recipiente externo, en el que el al menos un recipiente interno está conectado, además, sobre al menos una parte de su periferia al recipiente externo formando una superficie de contacto, en el que la conexión es una conexión adhesiva, extendiéndose la conexión adhesiva sobre un porción considerable de una porción superior del recipiente interno, para unir dicha porción superior del recipiente interno a la correspondiente porción superior del recipiente externo, caracterizado por que la superficie externa del recipiente interno y/o la superficie interna del recipiente externo tiene un rebaje en el cual es recibido el adhesivo.

Description

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DESCRIPCION
Recipiente compuesto y metodo para fabricar el mismo
La presente invencion se refiere a un recipiente compuesto, que comprende un recipiente externo indeformable y al menos un recipiente interno flexible recibido en el mismo, cuyo recipiente interno comprende una abertura de dispensacion la cual esta montada en un cuello del recipiente externo, en el que el al menos un recipiente interno esta conectado, ademas, sobre al menos una parte de su periferia al recipiente externo. Un recipiente compuesto de este tipo esta descrito en la solicitud de patente holandesa no publicada previamente 1033582 del solicitante. El documento de patente de EE.UU. US 5567377 describe otro ejemplo de un recipiente compuesto de este tipo.
En este recipiente compuesto anterior, el recipiente externo y el recipiente interno estan formados de manera integral por medio de un proceso de moldeo por inyeccion de dos componentes, seguido por calentamiento y moldeo por soplado, denominado moldeo por soplado. El recipiente interno se adhiere aqrn sobre su superficie externa completa a la superficie interna del recipiente externo. En este recipiente compuesto anterior la conexion entre el recipiente interno y el recipiente externo se rompe gradualmente cuando un medio desplazante tal como aire es forzado entre los dos recipientes. El recipiente interno flexible es aqrn comprimido mas gradualmente, por medio de lo cual el contenido del mismo, generalmente un lfquido o una masa pastosa, es presionado hacia fuera del recipiente compuesto a traves de la abertura de dispensacion.
La invencion tiene ahora como su objeto desarrollar mas el recipiente compuesto descrito arriba de tal forma que sea mas facil de fabricar y la dispensacion desde el mismo pueda ser controlada mejor. De acuerdo con la invencion, esto se obtiene en un recipiente compuesto de acuerdo con la reivindicacion 1 anexa. La conexion adhesiva, a la que se hace referencia en la reivindicacion 1, puede ser dispuesta de una manera simple y puede ser adaptada al comportamiento de liberacion deseado sin que las propiedades o materiales del recipiente externo o del recipiente interno tengan que ser modificadas para este proposito.
Realizaciones preferidas del recipiente compuesto de acuerdo con la invencion se describen en las reivindicaciones dependientes 2-6.
La invencion se refiere a un metodo para fabricar un recipiente compuesto como el descrito arriba, de acuerdo con la reivindicacion anexa.
Variantes aplicadas preferiblemente de este metodo forman la materia objeto de las reivindicaciones dependientes 8-14.
La invencion se esclarece ahora sobre la base de una serie de ejemplos, en los que se hace referencia a los dibujos que acompanan, en los cuales:
la figura 1 muestra una vista lateral de un recipiente interno formado mediante moldeo por inyeccion con una banda adhesiva de acuerdo con una primera realizacion de la invencion,
la figura 2 muestra una seccion longitudinal de como esta recibido el recipiente interno en un recipiente externo formado de la misma manera mediante moldeo por inyeccion,
la figura 3 es una seccion transversal en la cual se muestran los recipientes interno y externo en situacion ensamblada,
la figura 4 muestra una seccion transversal a traves del recipiente compuesto de la figura 3 despues de que ha sido hinchado hasta su forma final, llenado de un producto para dispensar, cerrado con un cabezal dosificador y provisto de un miembro de conexion para una fuente de un medio desplazante,
las figuras 5-7 muestran secciones transversales del recipiente compuesto de la figura 4 durante diferentes etapas de dispensacion del producto desde el recipiente,
la figura 8 es una vista que se corresponde con la figura 1 de un recipiente interno con una banda adhesiva de acuerdo con una segunda realizacion de la invencion,
la figura 9 es una vista que se corresponde con la figura 4 del recipiente compuesto con el patron adhesivo de la figura 8,
las figuras 10-12 muestran secciones transversales del recipiente compuesto de la figura 9 durante diferentes etapas de dispensacion del producto desde el recipiente,
la figura 13 una vista que se corresponde con la figura 3 de aun otra realizacion del recipiente compuesto con dos recipientes internos recibidos uno en otro,
la figura 14 muestra una seccion transversal a traves del recipiente compuesto de figura 13 despues de que ha sido hinchado hasta su forma final y llenado de dos productos para dispensar,
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la figura 15 es una vista que se corresponde con la figura 14 del recipiente compuesto durante la dispensacion de los productos desde los dos recipientes internos,
la figura 16 es una vista que se corresponde con la figura 1 y la figura 8 de un recipiente interno con una banda adhesiva de acuerdo con aun otra realizacion de la invencion,
la figura 17 es una vista que se corresponde con la figura 3 y la figura 13 de un recipiente compuesto sobre la base del recipiente interno de la figura 13, y
las figuras 18-20 muestran secciones transversales del recipiente compuesto de la figura 17 durante diferentes etapas de dispensacion del producto desde el recipiente.
Un recipiente compuesto 1 (figura 4) de acuerdo con la invencion comprende una recipiente externo 2 indeformable y una recipiente interno 3 flexible el cual esta recibido en aquel y que puede ser llenado con un producto P para su dispensacion, por ejemplo un lfquido o una masa pastosa. El recipiente interno 3 tiene una abertura de dispensacion 4 la cual esta montada en un cuello 5 del recipiente externo 2. En el ejemplo mostrado, la abertura de dispensacion 4 tiene un collarm 6 curvado el cual es colocado por salto elastico alrededor de un borde 7 del cuello 5. El recipiente interno 3, el cual descansa sustancialmente sobre su superficie completa contra la pared interna del recipiente externo 2, esta conectado, ademas, de acuerdo con la invencion. al recipiente externo 2 mediante una conexion adhesiva 8 sobre al menos una parte de su periferia y en el ejemplo mostrado sobre su periferia completa.
En el ejemplo mostrado, la conexion adhesiva 8 toma la forma de una banda. Esta banda se extiende transversalmente a un eje longitudinal L el cual discurre desde la abertura de dispensacion 4 hasta un fondo 9 del recipiente 1 que se encuentra opuesto. La banda adhesiva 8 esta dispuesta aqrn a mitad de camino entre la abertura de dispensacion 4 y el fondo 9 y puede soportar las presiones que tendran lugar en el recipiente compuesto 1 durante la dispensacion del producto P desde el mismo.
La abertura de dispensacion 4 del recipiente interno 3, la cual funciona tambien como una abertura de dispensacion del recipiente compuesto 1 completo, esta cerrada mediante un cabezal de dispensacion 10 montado sobre la misma y que tiene una abertura de dispensacion 11 la cual puede ser cerrada mediante un miembro de cierre 12 pivotante. Formada en el fondo del recipiente externo 2 hay una abertura 13 a traves de la cual un medio desplazante D. tal como aire. puede ser forzado entre el recipiente interno 3 y el recipiente externo 2 (figura 5). Para este proposito se provee un miembro de conexion 14, una abertura 15 del cual puede ser conectada a una fuente (no mostrada) de medio desplazante D, por ejemplo, una bomba de aire.
En el ejemplo mostrado, el recipiente externo 2 y el recipiente interno 3 estan ambos formados por separado mediante moldeo por inyeccion, el recipiente externo 2 de tereftalato de polietileno (PET) y el recipiente interno 3 de polipropileno (PP). Estos, salen del molde de inyeccion como un semifabricado de pared gruesa (al que se hace referencia como preforma) el cual tiene aproximadamente la forma de un tubo de ensayo. La banda adhesiva 8 es dispuesta alrededor de la preforma del recipiente interno 3 (figura 1), despues de lo cual esta preforma es insertada en la preforma del recipiente externo 2 (figura 2) y fijada en la misma (figura 3). La fijacion es efectuada por un lado por medios mecanicos encajando el collarm 6 fijamente alrededor del borde 7 y, por otro lado, mediante medios qrnmicos por medio de la conexion adhesiva 8. Las preformas son, entonces, calentadas hasta una temperatura entre la temperatura del vidrio y la temperatura de fusion de los plasticos usados de forma que se vuelven blandos. EL recipiente compuesto puede, entonces, ser soplado hasta su forma final en un molde.
Cuando el recipiente compuesto 1 se usa para dispensacion dosificada del producto P. un medio desplazante D es forzado, como se ha expuesto, en el espacio entre el recipiente externo 2 y el recipiente interno 3 por via del miembro de conexion 14 y la abertura 13. Por este medio se desarrolla presion en en el recipiente interno 3 de forma que el producto P fluira desde el mismo tan pronto como el miembro de cierre 12 deje libre la abertura 11 del cabezal de dosificacion 10. La presencia de la banda adhesiva 8 asegura aqrn que, desde aproximadamente la mitad del camino en adelante, el recipiente interno 3 permanece adherido sobre su periferia completa al recipiente externo 2, de forma que el medio desplazante D no puede entrar en la proximidad de la abertura de dispensacion 4. El recipiente interno 3 entonces se vacfa uniformemente desde el fondo 9 y esta impedido de ser cerrado por presion desde algun sitio a lo largo de los lados, por medio de lo cual el producto P podna quedar “atrapado”.Debido a que la conexion adhesiva 8 puede soportar las presiones que tienen lugar cuando el recipiente 3 esta siendo presionado, el recipiente interno, por asf decirlo, se plegara alrededor de la conexion adhesiva 8, como se muestra particularmente cuando se comparan las figuras 6 y 7.
En una realizacion alternativa de la invencion, la banda adhesiva 8 no se apoya transversalmente al eje longitudinal L sino que discurre en un angulo no recto (figura 8). La banda adhesiva 8, de hecho, discurre aqrn en espiral. En esta realizacion, la conexion adhesiva 8 esta adaptada para separarse de manera controlada bajo la influencia de las presiones que tienen lugar en el recipiente 1. Cuando el producto P es dispensado desde esta realizacion del recipiente compuesto 1 mediante la admision del medio desplazante D bajo presion, el recipiente interno 3 no se pliega, por lo tanto, cuando alcanza la conexion adhesiva 8 como en la primera realizacion. En vez de ello, el recipiente interno 3 es separado por traccion gradualmente de la pared lateral del recipiente externo 2 como resultado de la separacion de la conexion adhesiva 8 (figuras 9-12).
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En otra realizacion mas del recipiente compuesto 1, la cual es adecuada para dispensar simultaneamente dos productos P1 y P2, se recibe un recipiente interno 16 secundario en el primer recipiente interno 3, el cual es conectado al recipiente externo 2 por medio de la conexion adhesiva 8 (figura 13). Este recipiente interno 16 secundario, de la misma manera, tiene una abertura de dispensacion 17, la cual esta montada de manera aleatoria en la abertura de dispensacion 4 del recipiente interno 3 primario. Varias nervaduras 18 estan dispuestas tambien entre la abertura de dispensacion 4 del recipiente interno 3 primario y la abertura de dispensacion 17 del recipiente interno 16 secundario, las cuales estan distribuidas en la direccion periferica y las cuales mantienen abiertos varios pasos entre los dos recipientes internos 3, 16. De este modo, el recipiente interno 3 primario puede ser llenado con el producto P1 a ser dispensado desde el mismo (figura 14) y este producto P1 puede a su vez ser dispensado desde el mismo.
Durante el uso de este recipiente compuesto 1 de nuevo se empuja un medio desplazante D dentro del espacio entre el recipiente externo 2 y el recipiente interno 3 primario, por lo cual el recipiente interno 3 primario es puesto bajo presion. Como resultado, el recipiente interno 16 secundario recibido en aquel tambien es puesto bajo presion simultaneamente. El producto P1 del recipiente interno 3 primario funciona de hecho, aqrn, como medio desplazante para el recipiente interno 16 secundario. Cuando el cabezal de dosificacion (no mostrado) es abierto entonces, los productos P1 y P2 son dispensados simultaneamente desde el recipiente compuesto 1 (figura 15).
En la realizacion final mostrada aqrn, la banda adhesiva 8 tambien esta dispuesta en espiral alrededor del recipiente interno 3, alrededor de la parte del recipiente interno 3 situada mas cerca de la abertura de dispensacion 4 (figura 16). En la posicion en la cual la banda adhesiva 8 esta dispuesta, el recipiente interno 3 tiene en su superficie exterior un rebaje R en el cual puede ser recibido el adhesivo. El rebaje puede, por ejemplo, estar formado reduciendo localmente el espesor de la pared o desplazando la pared entera ligeramente hacia dentro.
Cuando el recipiente interno 3 es metido a presion en el recipiente externo 2, la banda adhesiva 8 es extendida y distribuida sobre el rebaje R completo - segun se muestra esquematicamente por la banda mas ancha en la figura 17. A pesar del hecho de que la propia parte de pared rebajada del recipiente interno 3 no descansa contra la pared interna del recipiente externo 2, se forma aun asf una buena conexion entre el recipiente interno 3 y el recipiente externo 2. Esto es importante para una buena transferencia de calor durante el moldeo por soplado de los recipientes externo e interno 2, 3. Durante este moldeo por soplado, la capa adhesiva ya extendida se distribuye incluso mas bajo la influencia de la elevada presion (del orden de 30 bar o mas), de forma que se forma una conexion muy uniforme sobre una parte considerable de ,a superficie de contacto entre el recipiente interno 3 y el recipiente externo 2.
La conexion adhesiva 8 en esta realizacion no esta destinada a separarse de manera controlada. La conexion adhesiva 8 debe, en cambio, soportar las presiones que tienen lugar cuando el medio desplazante D es introducido a presion en el recipiente compuesto 1. Entonces, se impide de este modo que el medio desplazante D sea capaz de penetrar entre el recipiente interno 3 y el recipiente externo 2 en la proximidad de la abertura de dispensacion 4. El recipiente interno 3, entonces, por asf decirlo, se pliega y su parte no adherida viene eventualmente a descansar a lo largo de su parte adherida (figura 20).
La invencion hace posible de este modo el formar un recipiente compuesto de una manera relativamente simple, desde el cual un producto puede ser dispensado de manera uniforme por medio de un medio desplazante, sin que el producto venga a hacer contacto con el medio desplazante. El recipiente compuesto de acuerdo con la invencion es, asf, altamente adecuado para su aplicacion con productos alimenticios.
Aunque la invencion ha sido esclarecida arriba sobre la base de varias realizaciones, estara claro que la invencion no esta limitada a las mismas. El recipiente interno y/o el recipiente externo podnan, asf, ser fabricados a partir de materiales distintos de los discutidos aqrn y podnan, en particular, comprender multiples capas. La forma y dimensiones de los recipientes externo e interno podna tambien ser variada, en donde tambien sena posible recibir una pluralidad de recipientes internos en un unico recipiente externo de manera adyacente, en vez de dentro de, unos a otros. La conexion adhesiva entre el(los) recipiente(s) interno(s) (primario) y el recipiente externo podna ademas estar formada de manera diferente. Es posible, por ejemplo, concebir el disponer varias bandas adhesivas distribuidas sobre la periferia que discurren paralelas al eje longitudinal. Tales bandas podnan o bien formar una conexion permanente, alrededor de la cual se pliega el recipiente interno, o podnan separarse gradualmente.
El alcance de la invencion esta definido por lo tanto unicamente por las reivindicaciones adjuntas.

Claims (14)

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    REIVINDICACIONES
    1. - Recipiente compuesto que comprende un recipiente externo indeformable y al menos un recipiente interno flexible recibido en el mismo, cuyo recipiente interno comprende una abertura de dispensacion la cual esta montada en un cuello del recipiente externo, en el que el al menos un recipiente interno esta conectado, ademas, sobre al menos una parte de su periferia al recipiente externo formando una superficie de contacto,
    en el que la conexion es una conexion adhesiva, extendiendose la conexion adhesiva sobre un porcion considerable de una porcion superior del recipiente interno, para unir dicha porcion superior del recipiente interno a la correspondiente porcion superior del recipiente externo, caracterizado por que la superficie externa del recipiente interno y/o la superficie interna del recipiente externo tiene un rebaje en el cual es recibido el adhesivo.
  2. 2. - Recipiente compuesto como el reivindicado en la reivindicacion 1, en el que la conexion adhesiva se extiende sustancialmente sobre una de (i) al menos la mitad de y (ii) la periferia completa, del recipiente interno.
  3. 3. - Recipiente compuesto como el reivindicado en la reivindicacion 1 o 2, en el que la conexion adhesiva puede soportar las presiones que tienen lugar en el recipiente.
  4. 4. - Recipiente compuesto como el reivindicado en la reivindicacion 1, en el que la conexion adhesiva esta adaptada para separarse de manera controlada bajo la influencia de las presiones que tienen lugar en el recipiente.
  5. 5. - Recipiente compuesto como el reivindicado en cualquiera de las reivindicaciones precedentes en el que un recipiente interno secundario esta recibido en el recipiente interno conectado mediante la conexion adhesiva al recipiente externo.
  6. 6. - Recipiente compuesto como el reivindicado en cualquiera de las reivindicaciones precedentes en el que el recipiente interno y el recipiente externo estan preformados cada uno de ellos como piezas moldeadas por inyeccion y, despues de que la conexion adhesiva ha sido realizada, son llevados a su forma final mediante moldeo por soplado.
  7. 7. - Metodo para fabricar un recipiente compuesto, que comprende:
    formar una preforma de un recipiente externo indeformable y que comprende un cuello,
    formar una preforma de al menos un recipiente interno flexible que comprende una abertura de dispensacion, y
    recibir la al menos una preforma de un recipiente interno en la preforma de un recipiente externo y fijar dicha preforma de un recipiente interno al cuello del mismo,
    conectar una porcion de una superficie externa de dicha preforma de un recipiente interno con una correspondiente superficie interna de la preforma de un recipiente externo formando una superficie de contacto, en donde la conexion es una conexion adhesiva, extendiendose la conexion adhesiva sobre una porcion considerable de una porcion superior del recipiente interno para unir dicha porcion superior del recipiente interno a una porcion superior correspondiente del recipiente externo, caracterizado por que o bien la superficie externa del recipiente interno o bien la superficie interna del recipiente externo esta provista de un rebaje en el cual se recibe un adhesivo,
    soplar el recipiente hasta su forma final en un molde.
  8. 8. - Metodo como como el reivindicado en la reivindicacion 7, en el que la conexion adhesiva esta formado sustancialmente sobre la periferia completa del al menos un recipiente interno y el recipiente externo.
  9. 9. - Metodo como como el reivindicado en la reivindicacion 7 u 8, en el que el adhesivo es dispuesto sobre el al menos un recipiente interno antes de que el recipiente interno sea recibido en el recipiente externo.
  10. 10. -Metodo como como el reivindicado en cualquiera de las reivindicaciones 7-9, en el que el adhesivo es distribuido sobre el rebaje durante la colocacion del recipiente interno dentro del recipiente externo.
  11. 11. -Metodo como como el reivindicado en cualquiera de las reivindicaciones 7-10, en el que un recipiente interno secundario es recibido en el recipiente interno conectado mediante la conexion adhesiva al recipiente externo.
  12. 12. - Metodo como como el reivindicado en cualquiera de las reivindicaciones 7-11, en el que el recipiente externo y el al menos un recipiente interno estan formados mediante moldeo por inyeccion.
  13. 13. -Metodo como como el reivindicado en la reivindicacion 12, en el que despues de ser adheridos entre sf, el recipiente externo y el al menos un recipiente interno son llevados a su forma final mediante moldeo por soplado.
  14. 14. -Metodo como como el reivindicado en la reivindicacion 13, en el que durante el moldeo por soplado la capa adhesiva es distribuida incluso bajo la influencia de presion elevada, para formar una conexion uniforme sobre una parte considerable de la superficie de contacto entre el recipiente interno y el recipiente externo.
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US20140299565A1 (en) 2014-10-09
EP2238047B1 (en) 2016-06-22
NL1034895C2 (nl) 2009-07-13
CN104787488B (zh) 2017-06-30
BRPI0906392A2 (pt) 2015-07-07
IL206770A0 (en) 2010-12-30
CN102007050A (zh) 2011-04-06
US9205952B2 (en) 2015-12-08
US20150108077A1 (en) 2015-04-23
JP2011509219A (ja) 2011-03-24
US8794487B2 (en) 2014-08-05
CA2711599A1 (en) 2009-07-16
PL2238047T3 (pl) 2017-01-31
CN102007050B (zh) 2015-01-07
CN104787488A (zh) 2015-07-22
BRPI0906392B1 (pt) 2019-08-20
WO2009088285A1 (en) 2009-07-16
EP2238047A1 (en) 2010-10-13
US20110024450A1 (en) 2011-02-03

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