EP2459459B1 - Behälter und verfahren zur herstellung eines behälters und eines abgedichteten behälters - Google Patents

Behälter und verfahren zur herstellung eines behälters und eines abgedichteten behälters Download PDF

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Publication number
EP2459459B1
EP2459459B1 EP11704299.4A EP11704299A EP2459459B1 EP 2459459 B1 EP2459459 B1 EP 2459459B1 EP 11704299 A EP11704299 A EP 11704299A EP 2459459 B1 EP2459459 B1 EP 2459459B1
Authority
EP
European Patent Office
Prior art keywords
container
adhesive
base
peripheral flange
layer
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.)
Active
Application number
EP11704299.4A
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English (en)
French (fr)
Other versions
EP2459459A2 (de
EP2459459B8 (de
Inventor
Craig Hardwick
Alan John Davey
David Parker
Stephen Howden
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.)
Linpac Packaging Ltd
Original Assignee
Linpac Packaging Ltd
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=41819121&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2459459(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP14186025.4A priority Critical patent/EP2845819B1/de
Priority to EP22153165.0A priority patent/EP4056491A3/de
Priority to PL11704299T priority patent/PL2459459T3/pl
Priority to DK14186025.4T priority patent/DK2845819T3/en
Priority to SI201131770T priority patent/SI2459459T1/sl
Priority to PL16174861T priority patent/PL3184453T3/pl
Priority to RSP20191018 priority patent/RS59226B1/sr
Priority to EP16174861.1A priority patent/EP3184453B1/de
Priority to PL14186025T priority patent/PL2845819T3/pl
Application filed by Linpac Packaging Ltd filed Critical Linpac Packaging Ltd
Publication of EP2459459A2 publication Critical patent/EP2459459A2/de
Priority to DKBA201400135U priority patent/DK201400135Y3/da
Priority to CY20191100063T priority patent/CY1124342T1/el
Publication of EP2459459B1 publication Critical patent/EP2459459B1/de
Application granted granted Critical
Publication of EP2459459B8 publication Critical patent/EP2459459B8/de
Priority to HRP20191497 priority patent/HRP20191497T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2069—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
    • B65D81/2076—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • B65B51/023—Applying adhesives or sealing liquids using applicator nozzles
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • B65B51/026—Applying adhesives or sealing liquids using rotating applicators
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof

Definitions

  • This invention relates to containers suitable for use in the packaging, storage, transportation and/or display of a product, such as a fresh food product or a medical product, and to processes for making such containers.
  • plastic containers to package, store, transport and display fresh food. These containers may be sealed with a lidding film to protect the food within the container from the surrounding environment. Additionally, the atmosphere within such containers may be modified to enhance the shelf life and/or appearance of the fresh food within the container.
  • Clear plastic containers may be made of polethylene terephthalate (PET).
  • PET polethylene terephthalate
  • the use of PET provides a high clarity product that enables a user to view readily the contents of the container.
  • Recycled PET may also be used, offering environmental and, sometimes, economical benefits.
  • it is desirable to seal clear plastic containers with a lidding film but it is difficult to attach a lidding film to PET and the sealing of a lidding film to PET is particularly sensitive to contamination.
  • WO 2009/121834 relates to a multilayer film comprising a pressure sensitive adhesive for use with a reclosable pack. This document specifically relates to the use of meltable acrylate polymers for producing contact adhesive layers in resealable packagings.
  • the container may be composed of any materials for example glass, paper, metal, plastics or composite materials.
  • PET polyethylene
  • EVA ethylene vinyl acetate
  • PET is substantially thicker than the EVA and PE layers
  • the PET/EVA/PE product may be produced by co-extrusion, lamination, extrusion coating or any other suitable technique.
  • EVA and PE have different refractive indices to PET and so the PET/EVA/PE product is of a slightly lower clarity than a non-coated PET product.
  • EVA and PE incurs extra costs for two key reasons; firstly because the laminate or co-extruded layer has an intrinsic cost and secondly because, as outlined below, the internal re-processing of factory trays and "skeletal waste" is prejudiced by the presence of EVA and PE in an otherwise pure PET stream. Therefore, in comparison to a PET product, the PET/EVA/PE product is of poorer clarity, more expensive, less recyclable and less user-friendly in the manufacturing plant.
  • PET/EVA/PE product There are also environmental consequences of using a PET/EVA/PE product.
  • multiple containers are formed from large and often continuous sheets of PET/EVA/PE material and individual containers are cut from these large sheets.
  • Waste material is formed from those parts of the large sheets that are not used in the individual containers.
  • This waste material known as "skeletal waste" contains a mixture of PET, EVA and PE, which when recycled forms a cloudy product that cannot be used to form clear plastic containers. Since clear plastic containers are more desirable than opaque plastic containers the waste is uneconomical to recycle.
  • a sealable container according to claim 1. It comprises a base and a continuous side wall extending substantially perpendicular to the base with a peripheral flange formed along the upper, in use, edge of the continuous side wall, wherein a layer of adhesive is located on an upper, in use, surface of the peripheral flange such that a lidding film may be sealed to the peripheral flange to create a sealed space between the base, continuous side wall and lidding film.
  • the layer of adhesive located on the upper surface of the peripheral flange does not extend onto the vertical surfaces of the continuous side wall and does not extend onto the base.
  • the term "adhesive" is used herein to indicate any material that enables the adhesion of the lidding film to the peripheral flange.
  • the adhesive may be a traditional adhesive, it may be a PE or PE co-polymer based material, or indeed any other suitable material as discretely applied to the peripheral flange.
  • the base and the continuous side wall may be clear.
  • a suitable material for making the clear base and the clear continuous side wall is PET, therefore, the base and the continuous side wall consist essentially of PET, optionally recycled PET.
  • Adhesives suitable for use in the present invention include adhesives based on a polymeric substrate, such as a hot-melt adhesive.
  • the thickness of the layer of adhesive can vary. The inventors have found that a thickness of from 20 ⁇ m to 100 ⁇ m is effective, and a thickness of 50 ⁇ m is most effective.
  • Sealable containers according to the present invention may be sealed to produce sealed containers. Therefore, according to a second aspect of the present invention sealed containers are provided with a lidding film sealed to a sealable container as described above.
  • the atmosphere within the sealed container may be modified to enhance the shelf life and/or appearance of products packaged within the sealed container.
  • Modified atmosphere packaging may contain increased levels of oxygen or other gases.
  • the modified atmosphere may contain increased levels of oxygen, such as from 25% to 90% of oxygen, preferably 80% oxygen.
  • MAP may contain increased levels of carbon dioxide, as used to package poultry.
  • CAP controlled atmosphere packaging
  • Lidding films suitable for use in making sealed containers according to the present invention comprise polypropylene (PP) and/or PE. These materials act as a seal layer in a multi-layer film, that may be formed by co-extrusion or lamination.
  • the other layers in a multi-layer structure may be chosen to impart particular properties, such as strength, resilience, gas and/or water vapour barrier properties, shrinking characteristic and UV screening.
  • the thickness of the seal layer of the lidding film can vary. The inventors have found that a seal layer thickness of from 15 ⁇ m to 50 ⁇ m is effective, and a thickness of 20 ⁇ m is most effective.
  • the overall thickness of the lidding film is typically from 20 ⁇ m to 60 ⁇ m.
  • the container may be corona or plasma treated between steps a) and b) to improve adhesion of the adhesive to the peripheral flange.
  • the layer of adhesive may be applied to the upper surface of the peripheral flange by a roller, such as a silicone roller or a heated chrome roller.
  • a roller such as a silicone roller or a heated chrome roller.
  • the layer of adhesive may be applied by spray coating, by a hot melt gun or by a printing technique.
  • the inventors have found that supporting the container during the application of the layer of adhesive helps transfer an even thickness of the adhesive to the peripheral flange.
  • the inventors have found that supporting the peripheral flange is helpful in producing a superior sealable container.
  • the process for making a sealable container according to the present invention may be operated as a continuous process.
  • the containers may be supplied continuously to a production line for continuous application of the layer of adhesive.
  • the process for making a sealable container according to the present invention may also be operated as a batch process.
  • the process for making a sealable container according to the present invention may be operated as a combination of continuous and batch process steps.
  • the containers may be supplied by a batch process step and application of the layer of adhesive may operate as a continuous process step.
  • the pressure is used to fuse the lidding film to the layer of adhesive applied to the peripheral flange and thereby seal the container.
  • heat is applied simultaneously with pressure.
  • the pressure applied to the peripheral flange and the time for which the pressure is applied can vary. The inventors have found that a pressure of from 206.84KPa to 1,241.06KPa (30 psi to 180 psi) and a period of time of from 0.5 seconds to 5 seconds is effective, and a pressure of 758.42KPa (110 psi) and a period of time of 1 second is most effective.
  • the heat applied to the peripheral flange can also vary.
  • the inventors have found that a temperature of from 105 °C to 170 °C is effective, and a temperature of 150 °C is most effective.
  • Pressure alone or pressure and heat may be applied to the peripheral flange by any process suitable for sealing the lidding film to the sealable container.
  • a sealing shoe matching the shape of the peripheral flange is used to seal the lidding film to the sealable container.
  • the process for making a sealed container according to the present invention may be operated as a continuous process.
  • the sealable containers may be supplied to a production line for provision of a layer of lidding film and application of heat to the peripheral flange.
  • the process for making a sealed container according to the present invention may be operated as a batch process.
  • the process for making a sealed container according to the present invention may be operated as a combination of continuous and batch process steps.
  • the process for making a sealed container may be carried out after the sealable container has been made and a product placed within the sealable container or the process for making the sealed container may be carried out separately from the process for making the sealable container.
  • Figure 1 shows a cross sectional view of a prior art container 1' comprising a base 2' with ribs 6', side walls 3' with a peripheral flange 4'.
  • the container 1' is made of PET and has a thickness of for example 400-500 ⁇ m.
  • the surface of the container is coated with PE film with a thickness of for example 30 to 50 ⁇ m.
  • the tray comprises 1 grams of PE (i.e. 5.8%w/w) and 16.8 grams of PET (i.e. 94.2% w/w).
  • FIG. 2 is a simplified illustration of a thermo-forming process for the manufacture of PET/PE containers in which PET in the form of flakes and pellet are introduced into the system to produce the trays. The flakes and pellets are melted into sheets which are coated with a film of PE. The sheets are then moulded into trays. About 6% PET/PE waste is obtained from the extrusion of the trays.
  • Figure 3 shows a sealable container 1 according to the invention comprising a base 2 and a continuous side wall 3 upstanding from the base 1.
  • a peripheral flange 4 is formed along the upper edge of the continuous side wall 3.
  • a layer of adhesive 5 is located on an upper surface of the peripheral flange 4 such that a lidding film (not shown) may be sealed to the flange.
  • a sealed space can thereby be created between the base 1, continuous side wall 3 and lidding film.
  • Figure 4 shows a cross sectional view of a sealable container 1 according to the invention comprising a base 2 and a continuous side wall 3 upstanding from the base 1.
  • the container is preferably made of PET and has a thickness of for example 400-500 ⁇ m.
  • a peripheral flange 4 is formed along the upper edge of the continuous side wall 3 and may comprise a return flange.
  • the container is not coated with a PE film as in figure 2 , but instead an adhesive film 5 is applied onto an upper surface of the peripheral flange 4 such that a lidding film may be sealed to the flange.
  • the thickness of the adhesive film is preferably approximately 50 ⁇ m.
  • Ribs 6 are located in the base 2 to strengthen the base of the tray.
  • FIG. 5 is a simplified illustration of a thermo-forming process for the manufacture of PET containers according to the present invention in which PET in the form of flakes and pellet are introduced into the system to produce the trays.
  • the flakes and pellets are first melted into sheets of pure PET.
  • a process according to the present invention therefore produces waste after PET extrusion which can be recycled to produce clear product, since the waste is substantially free from adhesive or PE. Trays are then formed in the PET sheet, and then subsequently, the adhesive is applied onto the flange using an adhesive applicator 8 and the trays are trimmed and separated.
  • the web waste is also substantially free of adhesive and can be recycled into the process.
  • tray waste is produced that comprises PET and adhesive.
  • the claimed process produces substantially less waste contaminated by adhesive or PE and is consequently more cost-effective since it enables the production of clear products from the aggreated recycled waste.
  • a layer of adhesive is located on an upper surface of the peripheral flange such that, at a later stage, when required, a lidding film may be sealed to the peripheral flange to create a sealed space between the base, continuous side wall and lidding film.
  • a lidding film which can be a conventional lidding film as used in the industry
  • Other solutions would require expensive and complex modifications of the lid and/or the tray.
  • the resulting container has a better recyclability and trays that are up to 3% lighter than prior art trays may be obtained.
  • a further advantage of the present invention is that the layer of adhesive located on the upper surface of the flange provides means for visually identifying the presence of a seal layer prior to seal, because the adhesive surface is visually different from the PET surface.
  • the layer of adhesive provides means for visually checking the integrity of the seal by forming a adhesive "band" that is visible through the lidding film.
  • FIG. 6 is a schematic view of a corner of a known tray design. Due to tray design, the flange is wider at the corners than along the sides of the tray. In known trays, this additional area can be utilised to create a denesting feature to aid the separation of nested trays. This is achieved by forming a recess into the tray, this recess sits onto the upper flange of the nested tray. The recess location is alternated in a sequence so it does not match the tray it is nesting against.
  • the upper surface of the peripheral flange is coated with an adhesive.
  • Some adhesives have a low tack at room temperature; however as the temperature increases, the tack level also increases. The result of this would be the locking together (or partial gluing together) of trays as the underside of the denesting recess of a (top) tray contacts the upper flange of its nested (bottom) tray.
  • the tray of the present invention may comprise at least one denesting recess located in a denesting area, whereby the denesting area is relieved relative to the upper surface of the flange, i.e. set lower than the flange level by a distance of preferably 1 mm.
  • the relieved area extends partially (for example as crescents adjacent the corners of the tray) or completely (i.e. both adjacent the corners of the tray and along the sides of the tray) along the inner periphery of the flange so that when the adhesive material is applied to the tray, the upper surface of the relieved area is not coated.
  • the relieved area is located at the corners of the tray in the shape of a crescent and the denesting recess is located in the relieved area.
  • the relieved area extends along the whole inner periphery of the flange so that the tray comprises an outer peripheral flange coated with adhesive and an inner peripheral flange, devoid of adhesive.
  • the denesting recesses are located in the relieved area so that when the adhesive material is applied to the tray, the upper surface of the denesting recess and the area surrounding the recess is not coated. As such the possibility of locking together the trays is eliminated.
  • the height of the step can be altered to adjust the separation gap between the trays.
  • a typical gap is in the region of 7 mm.
  • the distance between the upper surface of the relieved area and the base of the tray is shorter than the distance between the upper surface of the flange and the base.
  • the distance between the upper surface of the flange and the upper surface of the relieved area is approximately 1mm.
  • the width of the relieved area is approximately 1 mm.
  • the distance between the adhesive coated flange of a bottom tray and the adjacent wall of a top tray can be typically increased by approximately 1 mm (e.g. 0.84 mm for standard trays and 1.71 for trays according to the present invention).
  • the relieved area is therefore advantageous in that it prevents a first tray of the present invention to stick to second nested tray due to the distance created between the adhesive of the upper surface of the flange of the first tray and the adjacent wall of the second tray.
  • LINPAC rfresh R2-45 meat trays were prepared and tested to demonstrate the suitability of the invention for the packaging of fresh meat using a MAP system.
  • the trays were manufactured from a 500 ⁇ m thick monolayer of amorphous PET sheet.
  • the formed trays were coated with an adhesive (reference BAM 2041) supplied by Beardow and Adams (Adhesives) Ltd.
  • the adhesive was applied to the flange of the tray using a Diemme Fin model SC4 roller glue spreading machine.
  • the adhesive was melted against a chrome roller with a temperature of 177 °C and applied to the tray flange via a silicone rubber roller with a temperature of 125 °C.
  • the coating equipment had a line speed of 10 m/min and the trays were coated in batches of four using an aluminium carrier designed to support the flange of each tray as they passed under the coating roller.
  • the equipment was adjusted to apply the adhesive uniformly on the flange with coating thicknesses of 50 ⁇ m, 60 ⁇ m, 80 ⁇ m and 90 ⁇ m.
  • the remainder of the tray surfaces were free from adhesive contamination.
  • the trays were sealed using a 35 ⁇ m thick commercially available lidding film. This was supplied by LINPAC Packaging Limited (reference THB 267110). The trays were filled with an atmosphere of 80% oxygen and 20% carbon dioxide gas using a World Class Packaging model T200 tray sealing machine. A variety of sealing conditions were used with seal times of from 1 to 3 seconds, seal pressures of from 206.84KPa to 1,241.06KPa (30 psi to 180 psi), and sealing bar temperatures of from 130 °C to 170 °C.
  • the trays were stored for 10 days at 4 °C to simulate the packaging supply chain.
  • the residual oxygen was then measured using a HiTec MAP 4050 gas analyser. No significant loss of oxygen concentration was noted indicating that the packs were leak free.
  • Leak tests were conducted at room temperature using a Lippke 4000 Package Test System. Leak test pressure was 50 mBar with a settling period of 30 seconds and a leak detection time of 30 seconds. The packs were again shown to be leak free as the observed pressure drop was ⁇ 2 mBar. Burst tests were conducted using the Lippke 4000 Package Test System. The rate of pressure increase was 5 mBar/second. The failure mode was failure of the top web film showing that the adhesive bond between the tray and the top web was good.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Closing Of Containers (AREA)
  • Closures For Containers (AREA)
  • Wrappers (AREA)

Claims (26)

  1. Behälter, umfassend einen Boden und eine sich im Wesentlichen senkrecht zu dem Boden erstreckende durchgehende Seitenwand, mit einem entlang dem in Gebrauch oberen Rand der durchgehenden Seitenwand gebildeten Umfangsflansch,
    wobei der Boden und die durchgehende Seitenwand im Wesentlichen aus Polyethylenterephthalat (PET) bestehen;
    wobei sich auf einer in Gebrauch oberen Oberfläche des Umfangsflanschs eine Schicht aus Klebstoff befindet und sich die Schicht aus Klebstoff nicht auf die in Gebrauch vertikalen Oberflächen der durchgehenden Seitenwand erstreckt und sich nicht auf den Boden erstreckt;
    wobei der Behälter weiter eine Deckelfolie umfasst, die an den Umfangsflansch gesiegelt sein kann, um einen verseigelten Raum zwischen dem Boden, der durchgehenden Seitenwand und der Deckelfolie zu erzeugen; und
    wobei es sich bei der Deckelfolie um eine mehrschichtige Folie handelt, die eine Siegelschicht umfasst und die Siegelschicht Polypropylen (PP) und/oder PE umfasst.
  2. Behälter nach Anspruch 1, wobei der Boden und die durchgehende Seitenwand durchsichtig sind.
  3. Behälter nach Anspruch 2, wobei der Boden und die durchgehende Seitenwand im Wesentlichen aus wiederverwertetem PET bestehen.
  4. Behälter nach Anspruch 1, 2 oder 3, wobei es sich bei dem Klebstoff um einen auf einem Polymersubstrat basierenden Klebstoff oder um ein auf Polyethylen (PE) oder PE-Copolymer basierendes Material handelt.
  5. Behälter nach einem der vorangehenden Ansprüche, wobei die Dicke der Schicht aus Klebstoff von 20 µm bis 100 µm, vorzugsweise 50 µm, beträgt.
  6. Behälter nach einem der vorangehenden Ansprüche, weiter umfassend mindestens eine, einer Ecke des Behälters benachbarte Entstapelungsaussparung, die frei von Klebstoff ist.
  7. Behälter nach einem der vorangehenden Ansprüche, weiter umfassend einen Entstapelungsbereich, der frei von Klebstoff ist und sich teilweise oder vollständig entlang dem inneren Umfang des Flanschs erstreckt.
  8. Behälter nach Anspruch 7, wobei der Abstand zwischen der oberen Oberfläche des Entstapelungsbereichs und dem Boden der Schale kürzer ist als der Abstand zwischen der oberen Oberfläche des Flanschs und dem Boden.
  9. Behälter nach Anspruch 7 oder 8, wobei sich die mindestens eine Aussparung in dem Entstapelungsbereich befindet.
  10. Behälter nach einem der Ansprüche 1 bis 9, wobei die Deckelfolie daran gesiegelt ist.
  11. Behälter nach Anspruch 10, wobei die Atmosphäre in dem versiegelten Behälter modifiziert oder kontrolliert wurde.
  12. Behälter nach Anspruch 11, wobei die modifizierte Atmosphäre erhöhte Anteile an Sauerstoff oder Kohlendioxid enthält.
  13. Behälter nach Anspruch 1, wobei die Dicke der Siegelschicht von 15 µm bis 50 µm, vorzugsweise 20 µm, beträgt.
  14. Behälter nach einem der Ansprüche 10 bis 13, wobei die Dicke der Deckelfolie von 20 µm bis 60 µm beträgt.
  15. Verfahren zum Herstellen eines Behälters nach einem der Ansprüche 1 bis 9, wobei das Verfahren Folgendes umfasst:
    a) Bereitstellen eines Behälters, umfassend einen Boden und eine von dem Boden hochstehende durchgehende Seitenwand mit einem entlang dem in Gebrauch oberen Rand der durchgehenden Seitenwand gebildeten Umfangsflansch, wobei der Boden und die Seitenwand im Wesentlichen aus Polyethylenterephthalat (PET) bestehen; und
    b) Aufbringen einer Schicht von Klebstoff auf eine in Gebrauch obere Oberfläche des Umfangsflanschs, um einen versiegelbaren Behälter zu erzeugen, und sodass sich die Schicht aus Klebstoff nicht auf die in Gebrauch vertikalen Oberflächen der durchgehenden Seitenwand erstreckt und sich nicht auf den Boden erstreckt,
    c) Bereitstellen einer mehrschichtigen Deckelfolie, die eine Siegelschicht umfasst und wobei die Siegelschicht Polypropylen (PP) und/oder PE umfasst.
  16. Verfahren nach Anspruch 15, wobei der Behälter zwischen Schritten a) und b) einer Koronabehandlung oder einer Plasmabehandlung unterzogen wird.
  17. Verfahren nach Anspruch 15 oder 16, wobei die Schicht aus Klebstoff mit einer Rolle, durch Sprühbeschichten, mit einer Heißluftpistole oder durch eine Drucktechnik auf eine obere Oberfläche des Umfangsflanschs aufgebracht wird.
  18. Verfahren nach Anspruch 17, wobei es sich bei der Rolle um eine Silikonrolle oder eine beheizte Chromrolle handelt.
  19. Verfahren nach einem der Ansprüche 15 bis 18, wobei der Umfangsflansch während des Aufbringens der Schicht aus Klebstoff unterstützt wird.
  20. Verfahren nach einem der Ansprüche 15 bis 19, wobei es sich bei dem Verfahren um ein kontinuierliches Verfahren handelt.
  21. Verfahren zum Herstellen eines Behälters nach einem der Ansprüche 10 bis 14, wobei das Verfahren Folgendes umfasst:
    a) Bereitstellen eines nach einem der Ansprüche 15 bis 20 vorbereiteten Behälters;
    b) Aufbringen der Deckelfolie auf den Umfangsflansch des Behälters; und
    c) Aufbringen von Druck auf den Umfangsflansch, um die Deckelfolie an den Behälter zu siegeln.
  22. Verfahren nach Anspruch 21, wobei Druck mit einem Druck von 206,84 KPa bis 1241,06 KPa (30 psi bis 180 psi) während eines Zeitraums von 0,5 Sekunden bis 5 Sekunden, vorzugsweise 758,42 KPa (110 psi) während 1 Sekunde, auf den Umfangsflansch aufgebracht wird.
  23. Verfahren nach Anspruch 21 oder 22, wobei gleichzeitig mit Druck Wärme aufgebracht wird.
  24. Verfahren nach Anspruch 23, wobei Wärme mit einer Temperatur von 105 °C bis 170 °C, vorzugsweise mit einer Temperatur von 150 °C, auf den Umfangsflansch aufgebracht wird.
  25. Verfahren nach einem der Ansprüche 21 bis 24, wobei ein der Form des Umfangsflanschs entsprechender Siegelschuh verwendet wird, um die Deckelfolie an den versiegelbaren Behälter zu siegeln.
  26. Verfahren nach einem der Ansprüche 21 bis 25, wobei es sich bei dem Verfahren um ein kontinuierliches Verfahren handelt.
EP11704299.4A 2010-01-08 2011-01-10 Behälter und verfahren zur herstellung eines behälters und eines abgedichteten behälters Active EP2459459B8 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
EP22153165.0A EP4056491A3 (de) 2010-01-08 2011-01-10 Versiegbarer behälter, versiegelter behälter und verfahren zur hestellung eines versiegbaren behälters
PL14186025T PL2845819T3 (pl) 2010-01-08 2011-01-10 Pojemnik przystosowany do szczelnego zamykania i sposoby wytwarzania pojemnika przystosowanego do szczelnego zamykania oraz pojemnik szczelnie zamknięty
DK14186025.4T DK2845819T3 (en) 2010-01-08 2011-01-10 Sealed container as well as methods for making a sealed container and a sealed container
SI201131770T SI2459459T1 (sl) 2010-01-08 2011-01-10 Vsebnik in postopki izdelave vsebnika in zatesnjenega vsebnika
PL16174861T PL3184453T3 (pl) 2010-01-08 2011-01-10 Szczelnie zamykany pojemnik, szczelnie zamknięty pojemnik oraz sposoby ich wytwarzania
RSP20191018 RS59226B1 (sr) 2010-01-08 2011-01-10 Posuda i postupci izrade posude i zaptivena posuda
EP16174861.1A EP3184453B1 (de) 2010-01-08 2011-01-10 Versiegelbarer behälter, versiegelter behälter und verfahren zur deren herstellung
PL11704299T PL2459459T3 (pl) 2010-01-08 2011-01-10 Pojemnik i sposoby wytwarzania pojemnika i pojemnika szczelnie zamkniętego
EP14186025.4A EP2845819B1 (de) 2010-01-08 2011-01-10 Verschliessbarer behälter und verfahren zur herstellung eines verschliessbaren behälters und eines geschlossenen behälters
DKBA201400135U DK201400135Y3 (da) 2010-01-08 2014-10-03 Beholder
CY20191100063T CY1124342T1 (el) 2010-01-08 2019-01-17 Στεγανο δοχειο και διαδικασιες για κατασκευη ενος στεγανου δοχειου και ενος σφραγισμενου δοχειου
HRP20191497 HRP20191497T1 (hr) 2010-01-08 2019-08-19 Posuda i postupci izrade posude i pričvršćena posuda

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GBGB1000310.1A GB201000310D0 (en) 2010-01-08 2010-01-08 Container
GB1011918A GB2471028A (en) 2010-01-08 2010-07-15 Tray with adhesively sealed lid film
PCT/GB2011/050031 WO2011083342A2 (en) 2010-01-08 2011-01-10 Sealable container, sealed container and processes for making a sealable container and a sealed container

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EP16174861.1A Division-Into EP3184453B1 (de) 2010-01-08 2011-01-10 Versiegelbarer behälter, versiegelter behälter und verfahren zur deren herstellung
EP22153165.0A Division EP4056491A3 (de) 2010-01-08 2011-01-10 Versiegbarer behälter, versiegelter behälter und verfahren zur hestellung eines versiegbaren behälters
EP14186025.4A Division EP2845819B1 (de) 2010-01-08 2011-01-10 Verschliessbarer behälter und verfahren zur herstellung eines verschliessbaren behälters und eines geschlossenen behälters
EP14186025.4A Division-Into EP2845819B1 (de) 2010-01-08 2011-01-10 Verschliessbarer behälter und verfahren zur herstellung eines verschliessbaren behälters und eines geschlossenen behälters

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WO2011083342A3 (en) 2011-11-17
PL2845819T3 (pl) 2019-04-30
SI2459459T1 (sl) 2019-10-30
ES2910656T3 (es) 2022-05-13
HUE042948T2 (hu) 2019-07-29
ES2739998T3 (es) 2020-02-05
PL3184453T3 (pl) 2022-06-20
EP3184453B1 (de) 2022-03-09
RS59226B1 (sr) 2019-10-31
WO2011083342A8 (en) 2011-09-29
DK2845819T3 (en) 2019-02-04
EP2845819B1 (de) 2018-10-24
DE202011110699U1 (de) 2015-08-17
LT2459459T (lt) 2019-08-26
EP4056491A2 (de) 2022-09-14
HRP20191497T1 (hr) 2019-11-29
RS58221B1 (sr) 2019-03-29
EP2845819A1 (de) 2015-03-11
CZ28307U1 (cs) 2015-06-16
GB201011918D0 (en) 2010-09-01
LT2845819T (lt) 2019-02-11
DK201400135U1 (da) 2014-10-10
DK201400135Y3 (da) 2014-11-14
GB2471028A (en) 2010-12-15
EP2459459A2 (de) 2012-06-06
PT3184453T (pt) 2022-04-06
PT2845819T (pt) 2019-01-30
WO2011083342A4 (en) 2012-01-05
DK2459459T3 (da) 2019-08-26
ES2707334T3 (es) 2019-04-03
GB2478028B (en) 2012-12-05
GB201100292D0 (en) 2011-02-23
EP2459459B8 (de) 2019-06-26
EP4056491A3 (de) 2022-12-28
HUE058255T2 (hu) 2022-07-28
SI2845819T1 (sl) 2019-03-29
WO2011083342A2 (en) 2011-07-14
AU2011204508B2 (en) 2015-11-26
HRP20190087T1 (hr) 2019-03-22
PT2459459T (pt) 2019-09-06
AU2011204508A1 (en) 2013-07-18
CY1122050T1 (el) 2020-10-14
GB201000310D0 (en) 2010-02-24
CY1124342T1 (el) 2022-03-24
HRP20190087T8 (hr) 2019-04-19
GB2478028A (en) 2011-08-24
EP3184453A1 (de) 2017-06-28
HUE046058T2 (hu) 2020-02-28

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