US20090080813A1 - Disposable beverage can - Google Patents

Disposable beverage can Download PDF

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Publication number
US20090080813A1
US20090080813A1 US12/158,777 US15877708A US2009080813A1 US 20090080813 A1 US20090080813 A1 US 20090080813A1 US 15877708 A US15877708 A US 15877708A US 2009080813 A1 US2009080813 A1 US 2009080813A1
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United States
Prior art keywords
disposable beverage
top surface
pull
arrangement
disposable
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.)
Abandoned
Application number
US12/158,777
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English (en)
Inventor
Ulrik Skovgaard Rasmussen
Werner Schulz
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.)
Columbus E ApS
Original Assignee
Columbus E ApS
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Filing date
Publication date
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Assigned to COLUMBUS E. APS reassignment COLUMBUS E. APS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHULZ, WERNER, RASMUSSEN, ULRIK SKOVGAARD
Publication of US20090080813A1 publication Critical patent/US20090080813A1/en
Abandoned legal-status Critical Current

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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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/525—External rigid or semi-rigid supports
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5838—Tear-lines provided in a wall portion for tearing out a portion of the wall combined with separate fixed tearing means, e.g. tabs
    • 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
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid 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
    • B65D77/22—Details
    • B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of containers
    • B65D77/32—Tearing-strings or like flexible elements
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing

Definitions

  • the invention relates to a disposable beverage.
  • U.S. Pat. No. 5,833,368 discloses a beverage container which is made by film material.
  • the container comprises a discharge system which involves a pull tab system covering a straw input area.
  • the invention to provides a disposable beverage suitable for keeping and discharging of e.g. soft drinks.
  • the invention relates to a disposable beverage can formed at least partly by a flexible film material wherein said can comprises a top surface and wherein said can comprises a discharge arrangement comprising a pull-tab opener formed in said top surface.
  • a drinking can may advantageously be formed by film material.
  • the can may advantageously be suitable for use in the same way as conventional cans made of solid walls and at the same time be manufactured in a very cost-efficient way.
  • the can may be disposed in a very environmentally friendly way.
  • the can according to the invention may be easily collapsed and handled after use during disposal.
  • the can should facilitate transportation, storage of soft drinks and facilitate drinking by means of a discharge arrangement of the can.
  • the drinking should be facilitated directly without a requirement for additional accessories such as straws and mouthpieces.
  • the invention addresses basic application of cans from a user perspective, as conventional advantages and comfort are obtained by the flexible can together with further advantages such as comfortable and easy collapsing of the can after use which may easily be obtained just by squeezing the can by means of the hands instead of relying on compression tools.
  • the flexible can provides further significant advantages with respect to the possibility of incorporating e.g. filter or further internal barriers within the can in a cost-effective way as many such measures may be obtained by altering the sealing pattern or procedure and/or simply applying a relatively cheep further film.
  • the flexible can according to the invention offers several various wall materials which may be adapted to the specific application, i.e. with or without UV barrier, with or without heat insolating properties, with or without transparency, etc.
  • said can structure comprises a container volume defined by a top end, a bottom surface and a container wall and wherein said container wall is formed by flexible film material.
  • said can structure comprises a container volume defined by a top end, a bottom surface and a container wall and wherein said top end is formed by flexible film material.
  • said can structure comprises a container volume defined by a top end, a bottom surface and a container wall and wherein said bottom surface is formed by flexible film material.
  • said can structure comprises a container volume defined by a top end, a bottom surface and a container wall and wherein said container wall, top end and bottom surface is formed by flexible film material.
  • said container wall comprises a flexible film sheet joined together in the direction between the top end and the bottom surface.
  • said container wall comprises at least two flexible film sheets joined together in the direction between the top end and the bottom surface.
  • said can is joined as a substantially flat or collapsed structure.
  • said collapsed joined structure is expanded subsequent to the joining of the can.
  • said can is expanded prior to or simultaneously to filling by liquid.
  • said joining is performed by gluing.
  • said joining is performed by heat-welding.
  • said joinings are at least 2 mm.
  • said joinings are within the range of about 3 mm to 30 mm.
  • said joinings are within the range of about 4 mm to 25 mm.
  • the diameter of the can is about 40 to 120 mm and the height is about 90 mm to about 150 mm.
  • said top surface has a smallest dimension which is less than about 10 cm.
  • said top has a smallest dimension of less than about 7 cm.
  • said top surface is substantially cylindrical.
  • said top surface is formed of a separate film/sheet material.
  • said top surface is formed of a bended part of a can defining film material.
  • said top surface approximates a circular surface when the can is filled with liquid.
  • said top surface approximates a rectangular surface when the can is filled with liquid.
  • said top surface approximates a rounded surface when the can is filled with liquid.
  • the top surface, shape, size and joining to the side walls of the can define at least a part of the tubular shape of the receptacle which compares to conventional circular top ends of a can.
  • the interface between the can and the top surface is formed by at least one joining.
  • the top sealing is at least partly covered by an at least partly removable further sealing to the discharge arrangement.
  • the top surface should be at least partly covered by a further sealing in order to protect the part of the can applied during drinking hygienically prior to the initial opening of the can.
  • the further sealing may e.g. comprise a sheet covering the opening and e.g. a part of the edge of the can.
  • such further sealing may e.g. comprise part of the pull tab arrangement and be flapped around the drinking edge in order to ensure that the drinking edge is clean.
  • said can comprises a bottom surface.
  • said can comprises at least one bottom fold.
  • the can comprises a bottom end which comprises a self-supporting arrangement.
  • the bottom arrangement comprises a bottom arrangement which allows the can to be self-standing in substantially the same way as conventional solid cans.
  • said bottom surface approximates a circular surface when the can is filled with liquid.
  • said bottom surface approximates a rounded surface when the can is filled with liquid.
  • bottom surface, shape, size and joining to the side walls of the can defines at least a part of the tubular shape of the receptacle which compares to conventional circular top ends of a can.
  • said pull-tab opener is formed of film material.
  • the peelable discharge arrangement may be made in numerous ways within the scope of the invention.
  • One of obtaining a film-based peelable opening is described in WO 00/58166 hereby incorporated by reference.
  • said pull-tab opener is formed of a multilayer film material.
  • said pull-tab opener comprises of reinforced film material.
  • the reinforcement of the film material forming at least part of the pull-tab opener may be obtained e.g. by lamination of several film layers or e.g. by increased thickness of the film or sheet material.
  • Alternative embodiments may e.g. comprise film with an attached adhesive label which makes the pull tab easier to grip and makes the peeling by the tab more effective.
  • At least a part of said pull-tab opener is comprised by a part of said top surface.
  • At least a part of said pull-tab opener is comprised by a cut-off or a peel-off part of said top surface.
  • said pull-tab opener comprises a handle.
  • said pull-tab opener comprises a handle having a finger opening.
  • said pull-tab opener is formed in an overlay sheet which is fastened to the top surface of the can by a peelable sealing.
  • said pull-tab opener is formed in an overlay sheet which is fastened to the top surface of the can by a peelable sealing over at least half the area of the top overlay sheet.
  • said pull-tab opener covers and seals an opening by a peelable sealing.
  • said pull-tab opener is fastened to the top surface by means of a resealable sealing.
  • the can When fastening the pull tab to the top surface by means of a resealable sealing, the can may be closed after use.
  • the resealable sealing may thus facilitate that a user may initially open the can and the, subsequently, close the can again by the pull tab.
  • the can comprises a resealable closing.
  • the can may comprise a resealable closing, e.g. a separate sheet or tab which may be attached to the can and cover the opening of the discharge arrangement completely or partly if a user wants to reseal the can after the initial opening.
  • a resealable closing e.g. a separate sheet or tab which may be attached to the can and cover the opening of the discharge arrangement completely or partly if a user wants to reseal the can after the initial opening.
  • the can has an internal volume.
  • the internal volume comprises a barrier arrangement.
  • the barrier arrangement basically comprises an inside barrier to flow in the internal volume, in particular to flow from the inside of the can to the outside.
  • the barrier arrangement may simply be comprised by different flow-restricting measures in the internal volume such as a wall comprising one or several openings, a filter material with smaller apertures, etc.
  • the barrier arrangement may moreover facilitate consumer control of the outlet flow of the flexible can.
  • the barrier material may also serve the purpose of keeping the can form stable, i.e. adding strength to the construction vis-à-vis pressure.
  • the barrier arrangement is arranged between the discharge arrangement and the internal volume.
  • the barrier arrangement divides the internal volume into at least two compartments.
  • the barrier arrangement (defines an outlet volume.
  • the internal volume of the can comprises an outlet volume through which liquid must flow in order to be discharged from the can.
  • This volume may advantageously be applied to filter liquid prior to discharge, serve as a spillage constrainer in the sense that sudden flow towards the outlet, i.e. the opening of the top surface, may face flow restriction in various different ways and therefore counteract unintended discharge.
  • said can comprises a barrier arrangement comprising at least one perforated sheet material.
  • said barrier arrangement comprises a filter.
  • a filter is provided to filter residues from liquid kept in the internal volume of the can.
  • said barrier arrangement is joined to the can at the top end by the sealing joining the top surface and the side wall(s).
  • said discharge arrangement comprises an opening in said top surface when the pull-tab has been peeled.
  • said opening is at least partly a cut-out or a peel-out opening formed in a sheet material of said top surface.
  • said discharge arrangement comprises an opening in said top surface formed by a flap preferably pointing towards the circumference of the top surface.
  • said top surface and said at least one joining form an external reservoir.
  • the top of the can should advantageously form a sort of reservoir or at least an external spillage-restricting barrier in the top of the container.
  • At least one of the can defining films extends above the top surface and extends to form a drinking edge.
  • the spout may advantageously help a user to drink from the can without spilling.
  • the drinking edge comprises at least one reinforcement in the transverse direction of the drinking edge.
  • the opening in said top surface has an area which is less than half the area of the top surface.
  • the opening in said top surface has an area which is less than half the area of the top surface and higher than about 0.25 cm 2 .
  • the can comprises an outer support arrangement.
  • the can comprises an outer support arrangement and wherein the outer support arrangement comprises a cylindrical outer wall.
  • the can is fitted with or supported by a cylindrical structure which may both serve as a support for the by nature relatively flexible can and thereby allow the structure to be experienced as a conventional e.g. aluminum-based can having a solid metal wall. It may moreover increase the ability of the can to be self-standing in a secure and reliable way and it may also increase the ability of the can to comprise e.g. carbonated drinks.
  • the outer can may serve both to keep the can stable with respect to shape and handling. Moreover, the outer can may serve as a volume fixation which allows filling by carbonated fluid.
  • the outer support arrangement is formed by a form-stable polymer.
  • the outer support arrangement is formed by a form-stable cardboard.
  • the outer support arrangement has the form of a tube.
  • the outer support arrangement further comprises a bottom support.
  • the outer support arrangement further comprises a bottom support and a top support.
  • said can is at least partly attached to said outer support.
  • the diameter of the can including the outer support is about 40 mm to 100 mm and the height is about 75 mm to about 150 mm.
  • the diameter of the can including the outer support is about 50 mm to 60 mm and the height is about 88 mm to about 125 mm.
  • the outer support arrangement may be applied as a beverage or a cup.
  • said film material comprises a multilayer film.
  • said film material comprises a single-layer film.
  • said film material comprises polyethylene
  • said film material comprises polypropylene.
  • said film material comprises aluminum foil.
  • said film material comprises metalized film material.
  • Metalized films may e.g. result in a complete or at least partial UV filtering of light into the can and thereby protect the interior of the bag.
  • the film material comprises metalized film material thereby enabling disposal by burning with a minimum impact on the environment.
  • said can is a drinking can.
  • the can should facilitate drinking directly without a requirement for additional accessories such as straws and mouthpieces.
  • the can comprises liquid.
  • the can comprises carbonated liquid and an outer support.
  • said can is burnable.
  • the container volume is between about 0.15 to about 2 liters, preferably between about 0.2 and 1.5 liters.
  • the invention relates to a method of filling carbonated drinks into a can wherein the can is reinforced by a form-stable material such as a cylindrical structure within about 30 minutes from time where carbonated liquid was introduced into the can.
  • the invention relates to a disposable can comprising carbonated drinks wherein said can is comprised by less than 50% by weight of metal.
  • the can comprises a reduced amount of metals compared to conventional cans, e.g. made of stiff aluminum based metal, thereby providing an environmental friendly disposable can.
  • said can is comprised by less than 10% by weight of metal.
  • said can is comprised by less than 5% by weight of metal.
  • said can is substantially free of metal.
  • the can is substantially free of metal and may therefore be disposed by an environmental burn-process which may ultimately reduce the complete packaging to residues such as e.g. carbon dioxide and water.
  • residues such as e.g. carbon dioxide and water.
  • such process should advantageously be controlled to result in the desired, preferably non-metal, residues.
  • the can prior to filling with liquid has a volume which is less than 5% the can.
  • the can has a volume subsequent to emptying of liquid which is less than 30% of the can filled with liquid.
  • the can has a volume subsequent to emptying of liquid which is less than 20% of the can filled with liquid.
  • the can has a volume subsequent to emptying of liquid which is less than 10% preferably less than 5% of the can filled with liquid.
  • the invention relates to a disposable can, preferably formed by at least one flexible film wall, comprising an inside barrier arrangement.
  • this barrier basically needs to be positioned between the main volume of the can and the outlet irrespective of the design of the top end of the can with respect to the discharge arrangement.
  • the can basically comprises an inside barrier to flow in the internal volume, in particular to flow from the inside of the can to the outside.
  • the barrier arrangement may simply be comprised by different flow-restricting measures in the internal volume such as a wall comprising one or several openings, a filter material with smaller apertures, etc.
  • barrier material may also serve the purpose of keeping the can form stable.
  • a further, and very broad perspective of an embodiment of the invention is that the logistics are significantly improved when applying a flexible can according to the invention due to the fact that the can may initially be produced and brought to the filling station, e.g. at a brewery, in a collapsed state and then be expanded during filling. Then, when a consumer has emptied the can, the can may easily be collapsed to a minimum volume. This also applies significantly, when applying a can comprising an outer support.
  • the invention also features very environmental-friendly provisions compared to conventional metal cans.
  • a can is generally referred to as a usually cylindrical receptacle for holding liquids or flowable material.
  • a usually cylindrical receptacle for holding liquids or flowable material.
  • soft drinks e.g. carbonated beverages
  • such terminology typically refers to a metal receptacle having a removable pull-tab and a world standard has generally evolved over some decades.
  • joinings e.g. heat or glue sealings are permanent and in principle not intended for peeling unless specifically stated.
  • FIG. 1A-FIG . 1 F illustrate an embodiment of a disposable can according to the invention.
  • FIG. 1B and FIG. 1C illustrate a cross-section along the line IC of FIG. 1A .
  • the illustrated disposable beverage can 10 is formed by joined films 130 , 13 , 16 and 19 , where the films 130 and 13 form the wall(s) of the can and the sheet 16 forms a top surface 16 and the sheet 19 forms a bottom surface 19 .
  • the two films 13 and 130 are joined by side sealing 132 and 133 .
  • the can may be produced on the basis of one single film which is folded at the one side and joined at the other, e.g. by sealing 132 or 133 .
  • the top surface 16 of the can 10 is formed with a pull-tab opener 11 which is formed by an overlay film and defined by peel-off lines 14 an 15 .
  • the overlay material partly covering the top surface may be formed by a single sheet of a film or e.g., as the illustrated design, by a top end of the side wall 130 , extended from the wall portion at the top to form a folded drinking edge 12 , at least partly joined by joining 102 and an optionally further joining (not shown).
  • the peel-off lines should preferably be about 5-8 mm or longer in order to facilitate the intended peeling of the tab.
  • the top surface 16 may also be formed by a separate sheet as illustrated or e.g. be formed by a folded part of one of the side walls 53 or 530 .
  • An opening 180 beneath the pull-tab 11 is defined and preformed in the top surface 16 .
  • the overlay portion of the pull tab 11 is completely sealed by a peelable sealing 103 which, alone or e.g. in combination with the joining 102 , seals the internal volume 131 of the can completely.
  • the top surface 16 has at least one inward fold 17 , which allows the can to be expanded from the manufacturing position which is completely or at least partly collapsed.
  • the bottom surface 19 has at least one upward fold 18 , which allows the can to be expanded from the manufacturing position which is completely or at least partly collapsed.
  • the can comprises an upper discharge arrangement 101 formed by the top surface 16 , the opening 180 and joining 102 and 104 , which defines the circumference of a reservoir-like structure.
  • the circumference-defined reservoir structure around the opening 180 allows a user to drink from the can 10 without other operation than the operation related to a conventional can, namely removal of the tab and subsequently drinking directly from the top end of the can.
  • the provided discharge arrangement 101 furthermore allows the user to capture optional undesired spilling during drinking, as in conventional cans.
  • the drinking edge 12 which is optional in other embodiments of the invention, serves as a support or a sort of mouthpiece availing an attractive handling during drinking.
  • FIG. 1F illustrates when the pull tab 11 has been removed from the can and giving access to the internal volume of the can via the opening 180 .
  • FIGS. 1D and 1E show a three-dimensional view of the can 10 .
  • the pull tab 11 is defined by two peel lines 14 and 15 and the pull tab 11 exposes an opening 180 to the internal volume when removed.
  • FIG. 2A to FIG. 2F illustrate a can 20 which is a variant of the above-described drinking can of FIG. 1A-1F , now with a modified pull tab 21 .
  • the pull tab 21 is again formed and attached to the top surface of the can by means of joining 204 surrounding and sealing an opening 280 completely prior to removal.
  • the pull tab 21 is again formed in an overlay sheet 2001 which covers the surface of the can 20 at least partly and at least enough to cover the opening 280 .
  • the pull tab 21 is at least partly joined to a cut-off or a peel-off part 205 of the top surface.
  • An alternative embodiment of the above-illustrated pull tab may be to form the part 205 as a peel-off or push-down part 205 and omitting the above-explained joining between the pull tab 21 and the peel-off part 21 .
  • the opening of the can may be performed as a two-step opening comprising a separate removal of the peel-tab and a separate peel-off or push-down of the part 205 of the top surface.
  • the part should at least partly be fastened to or form part of the top surface when the part has been push down.
  • a further alternative embodiment may be obtained by a complete initial cut-off of the opening and thus covering the opening only by a pull tab.
  • FIG. 3A to 3C illustrate a further embodiment of the invention based on the can 10 of FIG. 1A to 1F , but now provided with a barrier arrangement 310 .
  • the barrier arrangement 310 comprising a sheet perforated by perforations 350 is fastened to the can and divides the internal volume 331 in two volumes, the main volume and an outlet volume 325 .
  • the barrier 310 may serve several different purposes.
  • One purpose is to restrict or counteract sudden flow from the internal volume 331 to the exterior via an opening 380 .
  • Another purpose may also be to act as a filter to residues which should not be outlet during emptying of the can.
  • residues may e.g. comprise food-fibers, small fruit parts, etc.
  • Another important purpose may also be to add form stability to the flexible can.
  • FIG. 4A to 4F illustrate a further embodiment of the invention based on the can 20 of FIG. 2A to 2F , but now provided with a barrier arrangement 410 .
  • the barrier arrangement 410 comprising a sheet perforated by perforations 350 is fastened to the can and divides the internal volume 331 in two volumes.
  • the barrier 410 may serve several different purposes.
  • One purpose is to restrict or counteract sudden flow from the internal volume to the exterior via an opening.
  • Another purpose may also be to act as a filter to residues which should not be outlet during emptying of the can.
  • residues may e.g. comprise food-fibers, small fruit parts, etc.
  • Another important purpose may also be to add form stability to the flexible can.
  • FIG. 5A to 5C illustrate a further embodiment of the invention also based on the can 20 of FIG. 2A to 2F , but now provided with another barrier arrangement 510 than the above-explained perforated filter structure.
  • the barrier arrangement 510 comprises a sheet comprising an opening 5800 , which is fastened to the internal volume of the can and divides the internal volume into two volumes.
  • the barrier 510 may again serve several different purposes.
  • One purpose is to restrict or counteract sudden flow from the internal volume to the exterior of the can via an opening 580 .
  • Another purpose may also be to act as a filter to residues which should not be outlet during emptying of the can.
  • residues may e.g. comprise food-fibers, small fruit parts, etc.
  • Another important purpose may also be to add form stability to the flexible can.
  • the can 50 has some further modifications when compared to the can 20 with respect to the pull tab design and the design of a drinking edge 52 .
  • a reinforcement 590 e.g. in the form of a relatively rigid string 590 , has been inserted into a folded side wall 530 forming the drinking edge 52 and part of a pull tab 51 .
  • the reinforcement 590 may be made of any suitable material, preferably a polymer, and be both welded or glued within the compartment forming the inside of the drinking edge or even just be positioned by means of the compartment-defining sealing.
  • the function of the applied reinforcement 590 is to keep the drinking edge 52 form stable and comfortable to drink of during discharge.
  • the reinforcement 590 may simply be fixated at the two ends within the fold by side weldings 532 , 533 .
  • this tab is formed by peel-lines 54 and 55 in an overlay sheet 5001 which covers a top surface 56 of the can 50 at least partly and at least enough to cover a cut 581 in the top surface 56 forming a horse shoe formed opening 580 in the top surface 56 .
  • the peel-lines 54 , 55 may e.g. comprise perforated lines or cuts in the overlay sheet 5001 . It is noted that the perforated line or cut form a flap-like arrangement pointing towards the circumference of the top surface, thereby providing a self-opening arrangement, which when inclined slightly, will facility relatively unrestricted output of liquid.
  • the overlay sheet 5001 may form a single sheet welded to a side wall 530 or simply be formed by a folded prolonged side wall 530 as illustrated.
  • the overlay sheet 5001 is welded to the top surface 56 by a peelable sealing over the entire area of the overlay sheet, although it is preferred that the end of the overlay sheet 5001 or at least the part of the overlay sheet forming the pull tab 51 defined by the peel-lines 54 , 55 is un-joined to the top surface 56 thereby enabling a user to grip the pull tab 51 .
  • opening 580 is now defined by a flap which is still fastened to the top surface 51 although discharge is now made possible.
  • FIG. 6A illustrates a disposable can according to an embodiment of the invention.
  • the can 60 may e.g. fully correspond to the can 20 of FIG. 2A-2F .
  • the can 60 fits into a rigid tube structure 601 forming an outer support for the can 60 and may be provided with a bottom support 603 and a top lid 602 .
  • FIGS. 7A and 7B illustrate a further embodiment of a flexible can 70 supported by an outer support 701 according to the invention.
  • the can 70 corresponds largely to the can 20 illustrated in FIG. 2A but now without a prolonged drinking edge.
  • the can 70 may be positioned within the cylindrically shaped outer support 701 , supported at the bottom by a bottom support 703 and protected at the top by a top support 702 .
  • the bottom support is moreover formed in a suitable form 753 to mechanically fixate the outer support 701 .
  • All support components 701 , 702 , 703 may be mutually fixed or completely or partially releasable.
  • the can may moreover be fastened, e.g. by gluing or welding to the outer support or simply just be mechanically fixated by the outer support arrangement 701 , 703 .
  • outer support 701 When applying the flexible can for carbonated drinks, all surfaces of the can should be supported by the outer support, i.e. outer support 701 , bottom support 703 as well as the top support 702 in order to compensate the significant pressure in the can.
  • FIGS. 8A and 8B illustrate a further embodiment of the invention where a can 80 is positioned in an outer cardboard support 801 .
  • the can 80 corresponds largely to the can 10 illustrated in FIG. 1A but now without a prolonged drinking edge.
  • the outer support 801 comprises a peel-off strip 808 integrated into the outer support and with a handle 807 .
  • FIG. 8B illustrates when the peel-off strip has been removed and the outer support has been split into two separate parts 801 , 802 and now facilitating access to the can 80 .
  • This embodiment involves that the can 80 is brought to the consumer within the outer support 801 , 802 .
  • the user breaks the sealing 808 as explained above and removes the can 80 from the outer support 801 . Then, the user opens the discharge arrangement and pours liquid contained within the can 80 into the below outer support 801 and finally drinks the liquid from the below outer support 801 as a cup.
  • FIG. 9A to FIG. 9H illustrates a number of alternative embodiments of the application of outer support arrangements for use with a can, e.g. the can 10 .
  • the outer support arrangements comprises an outer support 901 A, 901 B, 901 C, 901 D, 901 E, 901 F, 901 G, 901 H, a top support 902 A, 902 B, 902 C, 902 D, 902 E, 902 F, 902 G, 902 H and a bottom support 903 A, 903 B, 903 C, 903 D, 903 E, 903 F, 903 G, 903 H.
  • the outer support When applying the can and the outer support arrangement for carbonated liquid the outer support has a very important function of counteracting the pressure within the can, i.e. ensuring the film structure does not break due to the relatively high pressure invoked by the carbonated liquid.
  • the use of a combined flexible can and an outer support solves a problem in relation to keeping carbonated liquid in flexible container which has never been solved before.
  • the outer support may advantageously be formed in relatively rigid and form-stable polymer of cardboard-based structure.
  • the can may fit loosely into the outer support or be fastened to the outer support.
  • the outer support may serve several different purposes such as
  • the films applied to form the above illustrated cans may comprise a single or a multilayer web-material.
  • the films may be transparent or at least partly transparent to light.
  • the films may also be provided with a UV filter to protect liquid held in the can.
  • the films may preferably comprise polymer films optionally supplemented by metal films. According to a preferred embodiment, however, the complete can is made substantially free of metals or at least such small an amount to render the can burnable when disposed in a relatively environmentally attractive way.
  • At least the inner part of the flexible can should be made of liquid-impermeable material.
  • said sheets of liquid-impermeable material comprise multilayered sheets.
  • said sheets of liquid-impermeable material comprise a laminate of at least one polymer sheet and at least one metal sheet.
  • said sheets of liquid-impermeable material comprise wall(s), top and bottom of can.
  • said sheets of liquid impermeable material comprises at least one film or foil selected from the group of metal foils, polymer films, metalized or coated films, polymer sealants, polyesters, polyamides and polyolefines comprising polyethylenes and polypropylenes or any combination thereof.
  • said liquid-impermeable material of the can has a thickness in the range of 10 ⁇ m to 2 mm, preferably 40 ⁇ m to 500 ⁇ m, more preferably 60 ⁇ m to 200 ⁇ m and most preferably 80 ⁇ m to 150 ⁇ m.
  • said multilayer structure of the can comprises an outside film, an optional intermediate barrier layer and an inside layer of polymer sealant.
  • the filter arrangement material and/or liquid-permeable inner compartment material may comprise punctured, etched, melted, stamped or cut material.
  • the material may e.g. comprise plastic, polyolefines such as polyethylene or polypropylene, polyesters, polyamides and other polymers, woven or non-woven expanded plastic, cloth, screen, wire-mesh, metal or injection-molded plastic.
  • the arrangement forming sheets may comprise liquid permeable sheet material provided with a density of holes in the range of 1-30 holes per cm 2 , preferably 2-20 holes per cm 2 and most preferably 4-12 holes per cm 2 .
  • the holes may have dimensions in the range of 0.01 mm*0.01 mm to 2.00 mm*2.00 mm, preferably 0.1 mm*0.1 mm to 1.0 mm*1.0 mm, more preferably 0.1 mm*0.1 mm to 0.6 mm*0.6 mm.
  • the wall film(s) of the flexible can may for example comprise a multilayer laminate material comprising three layers: An outside layer made of PETP, an intermediate layer as barrier layer made of aluminum foil, e.g. a 9 ⁇ m foil and an inside layer forming a sealant comprising 80 to 120 ⁇ m polyethylene (PE).
  • the multilayer laminate material may typically comprise two or further layers.
  • the bottom surface of the can may for example be made of a multilayer laminate material comprising three layers: An outside layer made of coextruded biaxially oriented polypropylene, e.g. of a thickness of 20 ⁇ m, an intermediate layer as barrier layer made of polyethylene terephthalate (PET) metalized and coated with ethylene vinyl alcohol (EvOH), and an inside layer forming a sealant comprising, e.g. a 50 ⁇ m linear low-density polyethylene (LLDPE) or high-density polyethylene (HDPE).
  • Filter material and/or inner compartment may for example be made of 30 ⁇ m high-density polyethylene (HDPE) stamped with holes of 0.2 mm*0.4 mm size and 8 holes per cm 2 density.
  • HDPE high-density polyethylene
  • the structural material of the outer support may comprise at least one polymer film, metalized or coated film, EvOH-coating, metal foil, sealant or combinations thereof.
  • the outer support may generally be formed by a large variety of material, whereas cardboard, fiber-based material and different polymers are obvious choices.
  • the outer support should preferably be rigid enough the keep the can form-stable even when used or piled.
  • the outer support should preferably be strong enough to counteract breaking of the can due to overpressure invoked by the carbonated liquid.
  • the outer support may be made of single-layer material or formed by multiple layers of materials.
  • the pull tab of the can may further include a backing which covers the adhesive on the free end portion so that the adhesive present at the free end portion cannot adhere to the top surface.
  • This backing could be either a plastic or paper material.
  • a top portion of the free end could be folded over and adhered to itself to provide the free end portion.
  • the can may also comprise and outer sealing medium layer of the first side wall section which may be a copolymer comprising polyethylene and polypropylene and an inner sealing medium layer of the can walls which is substantially made from polyethylene.
  • Such structure may e.g. facilitate that the can is form-stable enough to form a stand-up can made from a single film web comprising an inner sealing medium layer of substantially polyethylene and an outer sealing medium layer which is a copolymer comprising polyethylene and polypropylene.
  • the pull tab comprises a film strip arranged between the two side wall sections in the overlapping area and having a first and a second outer sealing medium layer with which the film strip is firmly (non-peelably) heat-sealed to the respective side wall sections.
  • the film strip may further comprise an intermediate layer peelably connected to at least one of the outer sealing medium layers having a tear resistance weaker than the peel strength between the intermediate layer and the said sealing medium layer. The peelable connection is thus opened by tearing the weak sealing medium layer on both sides of the sealing seam and by a delamination between the weak sealing medium layer and the intermediate layer.
  • the peel strength of the pull tab connections may e.g. be in the range from 100 to 800 g/20 mm, preferably from 200 to 600 g/20 mm, and most preferably from 300 to 500 g/20 mm.
  • one or more flexible films may be used which have at least one inner heat-sealable surface, preferably comprising a polyolefin, i.e. PE or PP.
  • a softer or more flexible, e.g. thicker, film is used for the top and bottom walls than for the side walls to obtain the intended expansion and standing properties.
  • multilayer films are preferably used comprising an inner heat-sealable surface layer.
  • the laminate COEX OPP/PETP may for instance be used, in which the PE layer is on the inner side seen in relation to the finished or prefabricated and COEX OPP denotes a CO-extruded oriented polypropylene film on either side provided with a thin sealing medium layer comprising a copolymer of PP and PE.
  • a barrier layer e.g. a metallization layer or an aluminum film, may be provided between the PETP layer and the PE layer or between the COEX OPP film and the PETP layer.
  • PETP layer may be replaced by an oriented polyamide, OPA.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Wrappers (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
US12/158,777 2005-12-21 2005-12-21 Disposable beverage can Abandoned US20090080813A1 (en)

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US9845184B2 (en) 2012-02-13 2017-12-19 Polytex Fibers Corporation Easy open plastic bags
US9926106B2 (en) 2013-01-22 2018-03-27 Polytex Fibers Corporation Easy access woven plastic bags
US9969529B2 (en) 2012-02-13 2018-05-15 Polytex Fibers Corporation Easy open plastic bags
US20180297725A1 (en) * 2017-03-24 2018-10-18 The Procter & Gamble Company Methods of opening flexible containers
US10562689B2 (en) 2012-02-13 2020-02-18 Polytex Fibers Corporation Woven plastic bags with features that reduce leakage, breakage and infestations
US10661963B2 (en) 2014-04-04 2020-05-26 Polytex Fibers Corporation Peelable easy open plastic bags
US11111036B2 (en) 2017-02-22 2021-09-07 The Procter & Gamble Company Methods of making flexible containers with structural support frames
US11305927B2 (en) 2014-04-04 2022-04-19 Polytex Fibers Llc Easy open plastic bags
US11338975B2 (en) 2018-05-16 2022-05-24 The Procter & Gamble Company Container blanks for flexible packages and methods of making flexible packages
US11459157B2 (en) 2012-02-13 2022-10-04 Polytex Fibers Llc Woven plastic bags with features that reduce leakage, breakage and infestations
US11472622B2 (en) 2014-04-04 2022-10-18 Polytex Fibers Llc Woven plastic bags with features that reduce leakage, breakage, and infestations
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US11459157B2 (en) 2012-02-13 2022-10-04 Polytex Fibers Llc Woven plastic bags with features that reduce leakage, breakage and infestations
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US20150266644A1 (en) * 2012-02-13 2015-09-24 Polytex Fibers Corporation Easy Open Plastic Bags
US10562689B2 (en) 2012-02-13 2020-02-18 Polytex Fibers Corporation Woven plastic bags with features that reduce leakage, breakage and infestations
US10287062B2 (en) * 2012-10-12 2019-05-14 Polytex Fibers Corporation Polymeric bags with easy access features attached to the bags without adhesives
US20170369209A1 (en) * 2012-10-12 2017-12-28 Polytex Fibers Corporation Polymeric Bags With Easy Access Features Attached to the Bags Without Adhesives
US9731868B2 (en) 2012-10-12 2017-08-15 Polytex Fibers Corporation Polymeric bags with easy access features attached to the bags without adhesives
WO2015061660A1 (en) * 2012-10-24 2015-04-30 Saslekov Todor Eco-friendly liquid container
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US10676242B2 (en) 2013-01-22 2020-06-09 Polytex Fibers Corporation Easy access woven plastic bags
US11472604B2 (en) 2013-01-22 2022-10-18 Polytex Fibers Llc Easy access woven plastic bags
US9926106B2 (en) 2013-01-22 2018-03-27 Polytex Fibers Corporation Easy access woven plastic bags
US10759585B2 (en) 2014-04-04 2020-09-01 Polytex Fibers Corporation Woven plastic bags with features that reduce leakage, breakage and infestations
US10661963B2 (en) 2014-04-04 2020-05-26 Polytex Fibers Corporation Peelable easy open plastic bags
US11305927B2 (en) 2014-04-04 2022-04-19 Polytex Fibers Llc Easy open plastic bags
US11472622B2 (en) 2014-04-04 2022-10-18 Polytex Fibers Llc Woven plastic bags with features that reduce leakage, breakage, and infestations
US11801987B2 (en) 2014-04-04 2023-10-31 Polytex Fibers Llc Woven plastic bags with angled and/or radial cuts
US9669983B2 (en) 2014-04-04 2017-06-06 Polytex Fibers Corporation Woven plastic bags with features that reduce leakage, breakage and infestations
US11548255B2 (en) 2017-02-21 2023-01-10 The Procter & Gamble Company Methods of making vented flexible containers
US11111036B2 (en) 2017-02-22 2021-09-07 The Procter & Gamble Company Methods of making flexible containers with structural support frames
US20180297725A1 (en) * 2017-03-24 2018-10-18 The Procter & Gamble Company Methods of opening flexible containers
US11338975B2 (en) 2018-05-16 2022-05-24 The Procter & Gamble Company Container blanks for flexible packages and methods of making flexible packages

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US20090101651A1 (en) 2009-04-23
EP1963200A1 (en) 2008-09-03
WO2007071241A1 (en) 2007-06-28
EP1963199A1 (en) 2008-09-03
JP2009520648A (ja) 2009-05-28
JP2009520647A (ja) 2009-05-28
CN101341079A (zh) 2009-01-07
CA2633465A1 (en) 2007-06-28
WO2007071237A1 (en) 2007-06-28

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