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ES2208144T1 - Metodo y aparato para inflar y sellar almohadillas para embalajes. - Google Patents

Metodo y aparato para inflar y sellar almohadillas para embalajes.

Info

Publication number
ES2208144T1
ES2208144T1 ES01964572T ES01964572T ES2208144T1 ES 2208144 T1 ES2208144 T1 ES 2208144T1 ES 01964572 T ES01964572 T ES 01964572T ES 01964572 T ES01964572 T ES 01964572T ES 2208144 T1 ES2208144 T1 ES 2208144T1
Authority
ES
Spain
Prior art keywords
air
machine
sheet material
channel
roller
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.)
Pending
Application number
ES01964572T
Other languages
English (en)
Inventor
Andrew Perkins
Oliver M. Reyes
Philipp Borchard
Nicholas P. De Luca
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Free Flow Packaging Corp
Original Assignee
Free Flow Packaging Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24561679&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2208144(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Free Flow Packaging Corp filed Critical Free Flow Packaging Corp
Publication of ES2208144T1 publication Critical patent/ES2208144T1/es
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B29C65/223—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire comprising several heated wires
    • 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
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • B29C66/00441—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool movable, e.g. mounted on reels
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/344—Stretching or tensioning the joint area during joining
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/439—Joining sheets for making inflated articles without using a mould
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81465—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed behind the other in a single row in the feed direction
    • 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
    • B29C66/80—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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • 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
    • B29C66/80—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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/851—Bag or container making machines
    • B29C66/8511—Bag making machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/0073—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including pillow forming
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • 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
    • B29L2022/00—Hollow articles
    • B29L2022/02—Inflatable articles
    • 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
    • B29L2031/7138—Shock absorbing
    • 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
    • B29L2031/7138—Shock absorbing
    • B29L2031/714—Shock absorbing for use in loose form
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1737—Discontinuous, spaced area, and/or patterned pressing
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • Y10T428/1345—Single layer [continuous layer]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24562—Interlaminar spaces
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24661—Forming, or cooperating to form cells
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)
  • Buffer Packaging (AREA)
  • Vacuum Packaging (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

Un método para fabricar almohadillas rellenas de aire para embalajes, partiendo de una bobina de material laminar premoldeado, que presenta un canal para inyectar el aire dispuesto longitudinalmente, así como una serie cámaras que se pueden inflar y están comunicadas con el canal de inyección a través de pasos de entrada situados lateralmente; el método comprende los siguientes pasos: hacer avanzar una bobina de material laminar premoldeado a lo largo de una vía, inflar las cámaras que presenta el material mediante el canal de inyección a medida que el material se desplaza por la vía, y hacer pasar el material laminar por la periferia de un rodillo sellador y en contacto deslizante directo con un elemento sellador por calor para sellar herméticamente los pasos de entrada de aire.

Claims (35)

1. Un método para fabricar almohadillas rellenas de aire para embalajes, partiendo de una bobina de material laminar premoldeado, que presenta un canal para inyectar el aire dispuesto longitudinalmente, así como una serie cámaras que se pueden inflar y están comunicadas con el canal de inyección a través de pasos de entrada situados lateralmente; el método comprende los siguientes pasos: hacer avanzar una bobina de material laminar premoldeado a lo largo de una vía, inflar las cámaras que presenta el material mediante el canal de inyección a medida que el material se desplaza por la vía, y hacer pasar el material laminar por la periferia de un rodillo sellador y en contacto deslizante directo con un elemento sellador por calor para sellar herméticamente los pasos de entrada de aire.
2. El método de la Reivindicación 1, incluyendo el paso de inyectar aire desde el canal de inyección a través de los pasos de entrada de aire que están comunicados con el canal de inyección.
3. El método de la Reivindicación 2, mediante el que se inyecta aire a través de los pasos de entrada de aire a medida que el material laminar pasa por la periferia del rodillo sellador.
4. El método de la Reivindicación 2 o la Reivindicación 3, mediante el que se inyecta aire a través de los pasos de entrada para evitar que se produzca una presión excesiva en el canal de inyección y en las almohadillas infladas.
5. El método de las Reivindicaciones 2 a 4, mediante el que se controla el aire inyectado a través de los pasos de entrada de aire, para determinar la cantidad de almohadillas que se han fabricado.
6. El método de cualquiera de las reivindicaciones anteriores, mediante el que se hace avanzar el material laminar enganchando el mismo con los primero y segundo pares de rodillos estiradores, estando el primer par en un punto de la vía anterior a donde se inflan las cámaras, y el segundo par en un punto posterior al elemento sellador,
7. El método de la Reivindicación 6, mediante el que los rodillos estiradores del segundo par giran a una velocidad mayor que los rodillos estiradores del primer par, con el objeto de mantener la tensión del material laminar mientras que se inflan las cámaras y se están sellando los pasos de entrada de aire.
8. El método de cualquiera de la reivindicaciones anteriores, mediante el que se envuelve el material laminar alrededor de una parte de la superficie periférica del rodillo sellador, en dirección circular y también en dirección lateral, para crear una zona muerta en la parte en la que se está sellando un paso de entrada de aire.
9. Una máquina para poner en práctica el método de las reivindicaciones anteriores, incluyendo lo siguiente:
mecanismos para hacer avanzar la bobina de material laminar premoldeado a través de la máquina,
mecanismos para introducir aire en las cámaras inflables mediante los canales de inyección de aire, y
un rodillo sellador y un elemento sellador por calor se desplazan uno hacia el otro, con un lado del material laminar envuelto y en contacto alrededor de la superficie periférica del rodillo sellador y el otro lado del material en contacto deslizante directo con el elemento sellador por calor para sellar el material en los puntos de los pasos de entrada de aire, con el objeto de sellar las cámaras infladas.
10. La máquina de la Reivindicación 9, mediante la cual el material laminar se envuelve alrededor de una parte de la superficie periférica del rodillo sellador, tanto en dirección circular como en dirección lateral, con el objeto de crear una zona muerta en la parte en que se encuentra un paso de entrada de aire que se está sellando.
11. La máquina de la Reivindicación 9 o la Reivindicación 10, en la que el rodillo sellador y el elemento sellador por calor se desplazan uno hacia el otro con una fuerza preseleccionada, junto con el mecanismo para regular el valor de la fuerza preseleccionada.
12. La máquina de cualquiera de las Reivindicaciones de 9 a 11, en la que el rodillo sellador está montado para girar en una posición fija de la máquina, y el elemento sellador por calor se puede desplazar hacia el rodillo sellador o en sentido contrario.
13. La máquina de cualquiera de las Reivindicaciones de 9 a 11, en la que el elemento sellador por calor está montado en una posición fija de la máquina, y el rodillo sellador se puede mover hacia el elemento sellador por calor o en dirección contraria.
14. La máquina de cualquiera de las Reivindicaciones de 9 a 13, en la que el elemento sellador por calor tiene unas medidas en la dirección en que avanza el material laminar, que corresponde al ancho de uno de los pasos de entrada de aire del material laminar.
15. La máquina de cualquiera de las Reivindicaciones de 9 a 14, en la que los medios para introducir aire en las cámaras inflables incluye un tubo que se inserta en el canal para inyectar aire del material laminar, de modo que el aire a presión pueda entrar en el canal; el tubo normalmente presenta un extremo de salida generalmente esférico con un diámetro que es básicamente el mismo que el del canal para inyectar aire, y el extremo de salida del tubo de inyección está revestido exteriormente, lo cual facilita el movimiento deslizante del tubo de inyección dentro del canal para inyectar aire.
16. La máquina de cualquiera de las Reivindicaciones de 9 a 15, en la que el elemento sellador por calor está formado por un hilo de nicromo recubierto por un tejido y un revestimiento de PTFE del lado del tejido, y que se encuentra acoplado en contacto deslizante con el material laminar.
17. La máquina de cualquiera de las Reivindicaciones de 9 a 15, en la que el elemento calentador está formado por un hilo de nicromo montado sobre un material cerámico que garantiza el aislamiento contra la disipación de calor por fuera del hilo de nicromo.
18. La máquina de cualquiera de las Reivindicaciones de 9 a 17, en la que un elemento sellador por calor forma parte de un cartucho removible que va montado en la máquina y se puede extraer y sustituir como elemento unitario sin tener que sustituir ningún componente individual del cartucho.
19. La máquina de la Reivindicación 18, en la que el cartucho presenta una subestructura, una guía con una abertura en un extremo para el elemento sellador por calor, por lo menos un hilo de nicromo montado en la abertura de la guía, una tira de tejido con revestimiento de PTFE y bobinas enrolladoras que van montadas rotativamente en la subestructura, y un mecanismo para hacer girar la bobina enrolladora con el objeto de alimentar el tejido a través del extremo de la guía con el tejido que recubre el hilo de nicromo, el revestimiento de PTFE en contacto deslizante con una superficie del material laminar, y el rodillo sellador que sujeta el material laminar contra el tejido y el hilo de nicromo que está debajo, a medida que el material laminar se desplaza por la máquina.
20. La máquina de cualquiera de las Reivindicaciones de 9 a 19, en la que el medio para hacer avanzar el material laminar por la máquina está formado por un primer par de rodillos estiradores que enganchan el material antes de que se inflen las cámaras, y un segundo par de rodillos estiradores que enganchan el material laminar después de que se han inflado las cámaras y se han sellado los pasos de entrada de aire.
21. La máquina de la Reivindicación 20, en la que los ejes de rotación de por lo menos el segundo par de rodillos estiradores están inclinados con un cierto ángulo respecto del eje de rotación del rodillo sellador.
22. La máquina de las Reivindicaciones de 20 ó 21, en la que el segundo par de rodillos estiradores puede girar a una velocidad ligeramente superior al primer par de nip Soller, con el propósito de mantener la tensión de la bobina de material laminar entre los dos pares de rodillos estiradores.
23. La máquina de cualquiera de las Reivindicaciones de 9 a 22, en la que se incluyen los medios para controlar el flujo de aire de los pasos de salida de aire que se comunican con el canal de inyección de aire a medida que el material avanza por la máquina.
24. La máquina de la Reivindicación 23, en la que se incluyen medios que responden al flujo de aire de los pasos de salida de aire, con el propósito de contar el número de almohadillas que se han inflado.
25. La máquina de las Reivindicaciones de 23 ó 24, en la que se incluyen medios que responden al flujo de aire de los pasos de salida de aire, con el propósito de situar la red de película dentro de la máquina.
26. La máquina de cualquiera de las Reivindicaciones de 23 a 25, en la que se incluyen medios que responden al flujo de aire de los pasos de salida de aire, con el propósito controlar la presión del aire con el que se inflan las cámaras para evitar inflar las almohadillas excesivamente.
27. Una máquina para inflar y sellar un material laminar premoldeado que contiene cámaras inflables en comunicación con un canal para inyectar aire para fabricar almohadillas para embalaje rellenas de aire, y que está formada por: un soporte vertical con una pared lateral que mira de lado, un husillo que va desde la pared lateral en forma volada (sin apoyos) para soportar rotativamente un rollo de material laminar perpendicular a la pared, un mecanismo de alimentación del mismo lado de la pared que el spindle para tirar del rollo de material laminar y hacerlo avanzar a lo largo de la vía que discurre al lado de la pared, con el material normalmente en posición perpendicular respecto de la pared, un inyector de aire que pasa a través de la pared lateral para insertarse en el canal para inyectar aire con el objeto de inflar las cámaras a medida que el material avanza por la vía, y un elemento calentador por fuera de la pared lateral para sellar las cámaras infladas contenidas en el material que se va desplazando.
28. La máquina de la Reivindicación 27, en la que el inyector de aire y el elemento calentador están espaciados verticalmente del rollo de material laminar.
29. La máquina de la Reivindicación 27 o la Reivindicación 28, en la que se incluye una serie de guías estacionarias que discurren lateralmente desde la pared lateral para conducir el material laminar a lo largo de la vía.
30. La máquina de la Reivindicación 29, en la que una de las guías presenta una superficie cilíndrica alrededor de la cual se enrolla el material laminar a medida que éste avanza entre el rodillo y el inyector de aire.
31. La máquina de cualquiera de las Reivindicaciones de 27 a 30, en la que se incluyen medios para descargar las almohadillas de la máquina hacia abajo después de que las cámaras han sido infladas y selladas.
32. Un material laminar a emplear en el proceso de las Reivindicaciones 1 a 8 y la máquina de las Reivindicaciones 9 a 31, que comprende dos capas superpuestas de película plástica sellada entre sí para conformar un canal para inyectar aire, que se extiende longitudinalmente, una serie de cámaras que se pueden inflar, pasos de entrada de aire que interconectan entre sí las cámaras y el canal para inyectar aire, de forma que el aire pueda introducirse en las cámaras a través del canal, y una serie de aberturas de salida que están comunicadas con el canal y permiten que el aire escape de éste.
33. El material laminar de la Reivindicación 32, en el que los pasos de entrada de aire y las abertura de salida se encuentran situados en lados opuestos del canal para inyectar aire.
34. El material laminar de la Reivindicación 32 ó 33, en el que los pasos de entrada de aire y las aberturas de salida están espaciados unos de otros y alineados lateralmente.
35. El material laminar de la Reivindicación 32-34, en el que las aberturas de salida discurren desde el canal para inyectar aire hasta un borde lateral del material laminar.
ES01964572T 2000-08-14 2001-08-06 Metodo y aparato para inflar y sellar almohadillas para embalajes. Pending ES2208144T1 (es)

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US20060110581A1 (en) 2006-05-25
DE01964572T1 (de) 2004-05-19
US20030118778A1 (en) 2003-06-26
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US8323774B2 (en) 2012-12-04
US7223462B2 (en) 2007-05-29
US7832562B2 (en) 2010-11-16
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US20040134164A1 (en) 2004-07-15
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US20090217620A1 (en) 2009-09-03
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US9003743B2 (en) 2015-04-14
US7059097B2 (en) 2006-06-13
US20060257601A1 (en) 2006-11-16
US20110293864A1 (en) 2011-12-01
USRE40288E1 (en) 2008-05-06
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US20050244613A9 (en) 2005-11-03

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