EP1145971B1 - Abziehbares Filmetikett für einen Behälter aus Verbundwerkstoff - Google Patents

Abziehbares Filmetikett für einen Behälter aus Verbundwerkstoff Download PDF

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Publication number
EP1145971B1
EP1145971B1 EP01301853A EP01301853A EP1145971B1 EP 1145971 B1 EP1145971 B1 EP 1145971B1 EP 01301853 A EP01301853 A EP 01301853A EP 01301853 A EP01301853 A EP 01301853A EP 1145971 B1 EP1145971 B1 EP 1145971B1
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EP
European Patent Office
Prior art keywords
ply
composite container
container according
film label
tubular composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01301853A
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English (en)
French (fr)
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EP1145971A3 (de
EP1145971A2 (de
Inventor
Glenda Cahill
Jeffrey M. Schuetz
Barry R. Reese
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.)
Sonoco Development Inc
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Sonoco Development Inc
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Publication date
Priority claimed from US09/547,587 external-priority patent/US6604307B1/en
Application filed by Sonoco Development Inc filed Critical Sonoco Development Inc
Publication of EP1145971A2 publication Critical patent/EP1145971A2/de
Publication of EP1145971A3 publication Critical patent/EP1145971A3/de
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Publication of EP1145971B1 publication Critical patent/EP1145971B1/de
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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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/26—Opening arrangements or devices incorporated in, or attached to, containers
    • B65D3/261—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall
    • B65D3/266—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall forming a helical line of weakness

Definitions

  • the present invention relates to composite containers for food products, according to the preamble of claim 1, and more particularly, to one piece removable film labels applied to the outer surface of composite containers.
  • perishable food products are often packaged in composite tubular containers that are sealed at both ends.
  • refrigerated dough products typically are packaged in spiral wound containers which allow access to the dough products via the unwinding of the spiral seam.
  • These containers rely mainly on the label to provide enough strength to retain the pressurized contents of the package until consumers use the product. The consumer peels the label from the package, allowing the container to open along the spiral seam, revealing the dough product.
  • the tubular portion of these containers conventionally includes three separate plies or sets of plies.
  • At least one structural body ply made of paperboard material is included, which is formed into a tubular structure by wrapping a continuous strip of body ply paperboard material around a shaping mandrel.
  • the body ply strip may be spirally wound around the mandrel or passed through a series of forming elements so as to be wrapped in a convolute shape around the mandrel.
  • the tube is then cut into predetermined lengths at the downstream end of the mandrel and fitted with end closures to complete the container.
  • these containers typically include a liquid impermeable liner ply adhered to the inner surface of the paperboard body ply.
  • the liner ply seals the food product, such as dough, within the container and also prevents liquids, which may possibly contaminate the food product, from entering the container.
  • Some liner plies are also gas impermeable, so as to not only prevent food product odors from escaping the can, but also prevent atmospheric air from entering the container and spoiling the food product.
  • the purpose of the body ply is to provide necessary structural properties to the container, the liner ply provides barrier properties necessary to protect and maintain the perishable food product.
  • a label ply which is typically a paper-based ply, is included and adhered to the outer surface of the paperboard body ply.
  • the label ply serves two primary functions.
  • a composite can label is a source of information.
  • the label carries the graphical matter that conveys product information, instructions, and regulatory compliance information.
  • the label is also preferably decorative and aesthetically pleasing to the consumer, which enhances shelf appeal and increases consumer interest in the food product.
  • the graphics included on conventional paper labels are either rotogravure or flexographically printed and, to protect the inks used in the label printing process, may require overlacquers over the inks. However, the overlacquers may not absorb evenly into the paper and thus create labels having poor aesthetic appearance.
  • the second function of the label ply is to provide some physical characteristics to the composite can.
  • the coefficient of friction of the label ply is important because the lower the coefficient of friction, the easier the composite container is handled.
  • the container is often routed along conveyor lines and chutes as it manufactured, filled and then shipped.
  • a composite container with a high coefficient of friction can create inefficiencies in product packaging and increase the cost of packaging the food product, while a container with a low coefficient of friction can minimize such inefficiencies and costs.
  • the wet strength of the label ply can be an important factor in composite container design. If the container is exposed to moisture and the paperboard body ply gets wet, the strength of the can is compromised. Such moisture is sometimes encountered during storage and shipping. At other times, condensation may form on the surface of the can if the can is refrigerated or otherwise exposed to cold temperatures and then moved to a warmer, humid environment. If the wet strength of the label ply is low, then the label will provide little additional relief to the body ply from premature rupturing of the container. Accordingly, a foil layer is often used as part of the label to add strength.
  • the wet strength of label plies is especially important when the plies are used in conjunction with composite cans for dough.
  • Composite dough cans are designed differently from other composite containers such that they can be opened by forcefully striking the container against a sharp surface, such as the edge of a kitchen counter, or by pressing the seam of the container with a utensil.
  • the edges of the body ply strip are typically abutted and held together with an unadhered or lightly adhered joint or seam.
  • the label ply is thus designed to provide a substantial component of the total strength of the can necessary to prevent the can from prematurely opening.
  • dough containers are typically stored in refrigerated conditions. This type of storage is usually at high humidity. During storage the label material is exposed to moisture which can weaken the paperboard ply. This makes the strength of the label ply even more critical because if the label ply is exposed to moisture and has a low wet strength, as is the case with most paper labels, the container may prematurely rupture.
  • the label is torn away to open the container, as discussed above.
  • the line along which the label is torn can occasionally deteriorate into a separation of the paper ply or plies which can leave some label material on the outer surface of the body ply. This problem, known as "feathering,” can cause difficulties in opening the container.
  • U.S. Patent No. 3,981,433 to Thornhill et al. discloses a composite container for dough with a peelable outer reinforcing or wrapper layer.
  • the peelable outer wrapper layer can be formed of paper, metal foil, or a suitable synthetic plastic material, such as polyethylene adhesively bonded to the outer surface of a fibrous body wall layer by way of a separately applied polyvinyl alcohol adhesive.
  • U.S. Patent No. 4,235,341 to Martin et al. discloses a dough container having inner and outer plies over a fiber board body ply.
  • the inner ply is a low density polyethylene film.
  • the outer ply is described as a thermoplastic paper film.
  • U.S. Patent No. 5,076,440 to Drummond discloses a dough container having a label which can be of plastic film.
  • U.S. Patent No. 5,084,284 to McDilda et al. discloses a dough container corresponding to the features of the preamble of claim 1 with a label that can be made of a plastic film.
  • U.S. Patent No. 5,326,023 to Rice et al. discusses a dough container wherein the label layer is formed of a "suitable biaxially oriented polymer film.” The film discussed therein comprises a polypropylene film.
  • the labels could theoretically provide improved wet strength for dough can labels.
  • the types of films potentially usable for dough can labels are limited.
  • the label must be fairly easily removable so that the consumer can open the container to obtain the dough product inside. Accordingly, the type of film used must be easily separable from the body ply and easily graspable by the consumer to allow removal.
  • the label is preferably completely removed or at least completely torn along a predetermined line so that the spiral seam of the body ply can be completely separated. Accordingly, the film label must be of such a type that it can be easily and completely removed from the container without feathering.
  • films having predictable tear characteristics may not provide the strength necessary to prevent the can from rupturing. More specifically, films having predictable tear characteristics typically are susceptible to stretching over time, known as "creep", as a result of pressure within the can attempting to cause expansion of the body ply seam, which undermines the strength of the label and the overall strength of the container.
  • creep stretching over time
  • not all polymeric films have been proven to be capable of providing a peelable bond to a paperboard container, as is preferred in dough containers.
  • a decorative composite container for expansible food products with a removable film label having improved label ply wet strength compared to paper labels and a decreased coefficient of friction, and could be peelably removed from the container without feathering.
  • the label would preferably have sufficient strength and dimensional stability to be usable as a structural member of a dough container, but yet also be sufficiently tearable to allow easy opening of the container.
  • a decorative composite container for consumer products having a tubular body ply and a film label ply which is adhered to the body ply.
  • the film label ply comprises a polymeric film or laminate having inner and outer layers permanently bonded together, wherein one of the layers is formed of a polymeric material having predictable tear characteristics and the other of the layers has a high resistance to creep in the circumferential direction.
  • a film label ply having an inner layer formed of oriented high density polyethylene and an outer layer formed of polyethylene terephthalate advantageously has both predictable tear characteristics due to the oriented polyethylene and a high resistance to creep because of the polyethylene terephthalate.
  • a tubular composite container for advertising products contained therein to consumers wherein the tubular body ply is formed of paperboard material having inner and outer surfaces and opposed ends.
  • the film label ply is wrapped around the outer surface of the tubular body ply and is tearable away from the tubular body ply so that the body ply can be separated and the container opened.
  • the film label ply comprises a polymeric film or laminate having inner and outer layers.
  • the inner layer is peelably adhered to the tubular body ply and is formed of a polymeric material of a first type, preferably comprising a polyethylene film having predictable tear characteristics.
  • the outer layer of the film label ply is permanently bonded to the inner layer and is formed of a polymeric material of a second type, preferably comprising polyethylene terephthalate having sufficient strength to prevent label ply creep.
  • Graphical indicia are applied on at least a portion of the film label ply so as to be visible to the consumer. These indicia can be applied on the outer surface of the outer layer of the film label ply or on the inner surface of a transparent outer layer to be visible to a consumer before the container is opened. In addition, indicia such as coupons or games can also be applied to the inner surface of the inner layer of the label so as to be visible to the purchasing consumer after the label is removed.
  • An adhesive such as dextrin is in contact with at least a portion of the inner layer of the film label ply for adhering the label ply to the outer surface of the tubular body ply.
  • the label peel strength should be sufficient to prevent movement of the label so that the container will not open prematurely.
  • the adhesive applied between the inner layer of the label ply and the outer surface of the tubular body ply can be a heat seal coating, a cold seal coating, or even a pressure sensitive adhesive.
  • the film label ply may be wrapped around the body ply so as to create overlapped edges defining a seam extending between the opposed ends of the tubular body ply.
  • a hot melt adhesive can be applied between the overlapped edges for bonding the overlapped edges, or the adhesive used to adhere the film label ply to the body ply can be used to also adhere the overlapped edges together.
  • the film label ply preferably has predictable tear characteristics, so that a tear in the film label ply initiated by the consumer will follow a path directed by the film label ply.
  • a plurality of perforations or a laser score extending around the outer surface of the tubular body ply may be used for directing a tear in the film label ply.
  • the decorative tubular composite container according to the invention is preferably for use with dough cans and thus is designed to be opened through a sidewall thereof. Accordingly, the tubular body ply defines a seam at which opposite edges of the paperboard material are abutted and held together with an unadhered or lightly adhered joint or seam.
  • the film label is adhered to the outer surface of the tubular body ply such that as the film label is peeled away from the tubular body ply, the body ply separates to reveal the contents of the container.
  • the invention provides a decorative multi-ply composite container having graphical indicia applied to the inner layer and/or the outer layer of the film label.
  • the graphical indicia are thus protected from external forces by the outer layer of the film label and/or a layer of overlacquer, depending on which surfaces the graphical indicia are applied.
  • the wet strength of the film label ply is no less than the strength of the film when not wet.
  • Figure 1 illustrates a tubular multi-ply composite container 10 for consumer products according to the present invention.
  • the tube may have any cross sectional shape which can be formed by wrapping the tube around an appropriately shaped mandrel.
  • One example is a generally rectangular shaped tube having rounded corners.
  • the embodiment illustrated in Figures 1 and 2 is particularly advantageous for packaging dough products such as biscuits or rolls and includes a tubular body ply 12, a liner ply (not shown) adhered to the inner surface of the tubular body ply 12, and a film label ply 14 adhered to the outer surface of the tubular body ply 12.
  • the liner ply may be omitted in certain applications such as packages for dry materials like salt.
  • the composite container 10 also includes a plastic or metal end closure 16.
  • a plastic or metal closure 18 can be secured to the opposite end of the composite container 10.
  • Various other end closures may be used depending upon the type of food product which is to be packaged.
  • the tubular body ply 12 of the composite container 10 is preferably formed of paperboard material, and the film label ply 14, which is adhered to the outer surface of the tubular body ply 12, is preferably formed of a polymeric material.
  • the film label ply 14 comprises two layers permanently bonded to one another.
  • the inner layer 40 comprises a polymeric material, preferably oriented high density polyethylene (HDPE) having predictable tear characteristics.
  • HDPE high density polyethylene
  • Other possible materials for the inner layer 40 include oriented polypropylene, oriented polyamide, and laminations thereof.
  • the inner layer 40 preferably provides predictable tear characteristics by allowing the material to tear predominately in the specific direction dictated by the polymer orientation.
  • the inner layer 40 is removably adhered to the body ply 12 using an adhesive 42, such as a dextrin adhesive.
  • an adhesive 42 such as a dextrin adhesive.
  • Other adhesives are also possible, such as a heat seal coating that is temperature activated, a cold seal coating, or a pressure sensitive adhesive.
  • the adhesive 42 can be applied to the entire inner surface of the inner layer 40 or can be disposed only on a portion thereof and in either case preferably forms a peelable seal.
  • the adhesive 42 could be separately applied to the body ply 12 and/or the inner layer 40 of the film label ply 14 during the manufacture of the container such as with rollers and the like.
  • a cold seal coating could be applied to both the tubular body ply 12 and the inner layer 40 of the film label ply 14 to promote better adhesion.
  • a portion of the film label 14 defines a grasping point 15 for the consumer to begin initiating a tear in the film label 14.
  • the peelable seal preferably has a peel strength of approximately 10.71-44.65g/cm(0.06-0.25 lbs./in), and in particular about 0.20 lbs./in. The peel strength should perform at a level sufficient to prevent movement of the label 14 in order to prevent premature opening of the container 10, yet allow easy removal of the label 14 by the consumer.
  • the inner layer 40 may be a material such as high density polyethylene as noted above.
  • high density polyethylene can stretch or creep over time in the circumferential direction when tension is applied, such as from outward expansion of the body ply caused by the expansion of the food product in the container. The creep could be deleterious to the container if excessive, and could lead to premature opening of the container.
  • the film label 14 of the present invention further comprises an outer layer 46.
  • the outer layer 46 comprises a polymeric material preferably having enough strength to prevent the body ply 12 from prematurely rupturing while providing a surface suitable for displaying graphics or instructions.
  • the outer layer 46 preferably comprises 45 gauge polyethylene terephthalate (PET), although other thicknesses and films such as polyolefin materials may be used.
  • PET polyethylene terephthalate
  • Polyethylene terephthalate films would typically not be used singularly as a film label 14 for dough containers because of low graspability and unpredictable tear characteristics.
  • the inner layer 40 and outer layer 46 are permanently bonded together to provide a film label ply 14 having high strength and predictable tear characteristics.
  • the outer layer 46 preferably has a kinetic coefficient of friction at least as low as about 0.3 and may be coated with an overlacquer 50 which can reduce the coefficient of friction even lower to at least about 0.2.
  • the overlacquer 50 is a catalytic overlacquer, although other overlacquers may be used, such as a nitrocellulose overlacquer.
  • the outer layer 46 and inner layer 40 are permanently bonded together using an adhesive 44 , such as any conventional adhesive used for polyethylene terepthalate and high density polyethylene materials.
  • the outer layer 46 includes graphical indicia 48 applied to at least one surface thereof.
  • the graphical indicia 48 may include product information, coupons, games, package opening instructions, and/or regulatory compliance information and are, according to one embodiment, printed on the outer layer 46.
  • the indicia 48 may be printed on the outer surface of the outer layer 46, or can be printed on the inner surface of the outer layer (if formed of a transparent material) using a process known as "reverse printing.”
  • Reverse printing the graphical indicia 48 on the inner surface of the outer layer 46 advantageously protects the graphical indicia from exposure to outside elements, and therefore protects the indicia from blurring, staining, or scratching.
  • the graphical indicia 48 can be rotogravure or flexographically printed on the outer layer 46.
  • a layer of overlacquer 50 can be applied to the outer surface of the outer layer 46 to protect the film label 14 from outside elements.
  • Figure 5 shows another embodiment of the present invention wherein the indicia 48 are applied to the inner surface of the inner layer 40.
  • the indicia 48 may be applied using reverse printing in conjunction with a transparent outer layer 46, or the indicia may be rotogravure or flexographically printed in conjunction with a non-transparent outer layer.
  • the film label ply 14 is designed such that when the film label ply 14 is adhered to the outer surface of the tubular body ply 12, the film label ply 14 includes overlapped edges defining a seam extending between the opposed ends of the tubular body ply 12.
  • An adhesive is included between the overlapped edges for bonding.
  • the adhesive may be the adhesive 42 mentioned above and/or a separate hot melt adhesive application.
  • the inner layer 40 preferably has predictable tear characteristics, so that the film label ply 14 may be peeled away from the tubular body ply 12 along a tear path directed by the inner layer. The tear path facilitates removal of the film label ply 14 from the tubular body ply 12 so that the composite container 10 can be easily opened.
  • the inner layer 40 comprises an oriented polymer.
  • the polymer can be oriented around the tubular body ply 12 such that the orientation of the polymer provides a predictable tear path for the film label ply 14 along the direction of orientation.
  • the film label ply 14 may be oriented such that the tear path is in a circumferential direction about the composite container 10.
  • the film label ply 14 may be wrapped around the tubular body ply 12 in a helical direction such that the tear path directed by the orientation of the polymer is along the helical direction.
  • the film label ply 14 is wrapped around the tubular body ply 12 such that the tear path is in the circumferential direction, while the seam defined by the tubular body ply and the overlapped edges of the film label ply are in a substantially similar helical direction.
  • the film label ply 14 can be peeled away from the tubular body ply 12 along the tear path and along the seam defined by the overlapped edges of the film label ply extending between the opposed ends of the tubular body ply.
  • Figures 6 and 7 show a line of perforations 62 and a laser score 64 in the film label 14 which may also be used to direct a tear along a desired tear path.
  • tubular containers according to the present invention are not necessarily helically wound but may instead be longitudinally wrapped to create a "convolute" tube having an axially extending seam.
  • tubular containers according to the present invention have been described primarily in connection with food products, it is to be understood that the containers could be used in connection with other products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
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Claims (19)

  1. Rohrförmiger Behälter aus Verbundstoff, der durch eine Seitenwand desselben zu öffnen ist, wobei der Behälter eine aus Pappe gebildete rohrförmige Körperlage (12) mit einer Innen-und einer Außenseite und gegenüberliegenden Enden aufweist und die Körperlage ferner eine Naht bildet, wo gegenüberliegende Ränder der Körperlage aneinander angrenzend positioniert sind; und wobei der Behälter eine Folienetikettenlage (14) um die Außenseite der rohrförmigen Körperlage herum aufweist und die Folienetikettenlage so von der Körperlage abgerissen werden kann, dass die Naht der Körperlage getrennt und der Behälter geöffnet werden kann, dadurch gekennzeichnet, dass die Folienetikettenlage Folgendes umfasst:
    eine Innenschicht (40) mit einer Innen- und einer Außenseite, wobei die Innenschicht ablösbar auf die Außenseite der rohrförmigen Körperlage (12) geklebt ist und aus einem polymeren Material eines ersten Typs gebildet ist, und
    eine Außenschicht (46) mit einer Innen- und einer Außenseite, wobei die Außenschicht dauerhaft mit der Innenschicht (40) verbunden ist und aus einem polymeren Material eines zweiten Typs gebildet ist und wobei eine der Schichten (40, 46) in Umfangsrichtung eine höhere Kriechfestigkeit hat als die andere der Schichten.
  2. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Außenschicht (46) eine höhere Kriechfestigkeit hat als die Innenschicht (40).
  3. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem der erste Materialtyp der Innenschicht (40) Polyethylenfolie aufweist.
  4. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 3, bei dem die Polyethylenfolie eine Folie aus orientiertem Polyethylen hoher Dichte ist.
  5. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem der zweite Materialtyp der Außenschicht (46) Polyethylenterephthalatfolie aufweist.
  6. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem ferner graphische Zeichen auf mindestens einen Abschnitt der Folienetikettenlage (14) aufgebracht sind.
  7. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 6, bei dem die graphischen Zeichen auf die Außenseite der Außenschicht (46) der Folienetikettenlage (14) aufgebracht sind.
  8. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 6, bei dem die graphischen Zeichen auf die Innenseite der Außenschicht (46) der Folienetikettenlage (14) aufgebracht sind.
  9. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 6, bei dem die graphischen Zeichen auf die Innenseite der Innenschicht (40) der Folienetikettenlage (14) aufgebracht sind.
  10. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Folienetikettenlage (14) in einer Spiralrichtung um die rohrförmige Körperlage (12) gewickelt ist und die Innenschicht (40) der Folienetikettenlage (14) aus orientiertem polymerem Material gebildet ist, das so orientiert ist, dass es entlang der Spiralrichtung reißt.
  11. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Folienetikettenlage (14) um den rohrförmigen Körper (12) gewickelt ist und die Innenschicht (40) der Folienetikettenlage (14) aus einem orientierten polymeren Material gebildet ist, das so orientiert ist, dass es entlang der Umfangsrichtung reißt.
  12. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Folienetikettenlage (14) mit einem Klebstoff auf Dextrinbasis auf die rohrförmige Körperlage (12) geklebt ist.
  13. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, ferner mit einem auf die Außenschicht (46) aufgebrachten Überlack.
  14. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 13, bei dem der Überlack einen katalytischen überlack aufweist.
  15. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Innenschicht (40) und die Außenschicht (46) der Folienetikettenlage (14) zusammenlaminiert sind.
  16. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Folienetikettenlage (14) eine Abschälfestigkeit von 10,71-44,65 g/cm (0,06-0,25 Ibs./in) hat.
  17. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, bei dem die Innenschicht (40) ein orientiertes Polypropylenmaterial aufweist.
  18. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, ferner mit einer Vielzahl von Perforationen, die sich im Bereich der gegenüberliegenden Enden um die Folienetikettenlage (14) herum erstrecken, um einen Riss an den Perforationen entlang zu leiten.
  19. Rohrförmiger Behälter aus Verbundstoff nach Anspruch 1, ferner mit einer mit dem Laser eingeritzten Linie , die sich im Bereich der gegenüberliegenden Enden um die Folienetikettenlage (14) herum erstreckt, um einen Riss an der mit dem Laser eingeritzten Linie entlang zu leiten.
EP01301853A 2000-04-12 2001-02-28 Abziehbares Filmetikett für einen Behälter aus Verbundwerkstoff Expired - Lifetime EP1145971B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US547587 2000-04-12
US09/547,587 US6604307B1 (en) 2000-04-12 2000-04-12 Removable film label for composite containers
CA002349101A CA2349101C (en) 2000-04-12 2001-05-28 Removable film label for composite containers

Publications (3)

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EP1145971A2 EP1145971A2 (de) 2001-10-17
EP1145971A3 EP1145971A3 (de) 2004-01-02
EP1145971B1 true EP1145971B1 (de) 2005-12-14

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US8883278B2 (en) 2011-05-25 2014-11-11 Evergreen Packaging, Inc. Container having blind holes for pinhole resistance and associated method

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US5151309A (en) * 1989-07-05 1992-09-29 The Dow Chemical Company Die-cuttable and dispensable deformable labels
US5494215A (en) * 1994-06-22 1996-02-27 Sonoco Products Company Easy-open container having directionally-oriented label tear
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US6461706B1 (en) * 1998-04-17 2002-10-08 Avery Dennison Corporation Multilayer films and labels

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EP1145971A3 (de) 2004-01-02
EP1145971A2 (de) 2001-10-17
CA2349101A1 (en) 2002-11-28
CA2349101C (en) 2006-12-05

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