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WO2016130071A1 - Récipient étiqueté - Google Patents

Récipient étiqueté Download PDF

Info

Publication number
WO2016130071A1
WO2016130071A1 PCT/SE2016/050092 SE2016050092W WO2016130071A1 WO 2016130071 A1 WO2016130071 A1 WO 2016130071A1 SE 2016050092 W SE2016050092 W SE 2016050092W WO 2016130071 A1 WO2016130071 A1 WO 2016130071A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
container
mold
preform
blow molding
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.)
Ceased
Application number
PCT/SE2016/050092
Other languages
English (en)
Inventor
Hein VAN DEN REEK
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.)
Billerudkorsnas AB
Original Assignee
Billerudkorsnas AB
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
Application filed by Billerudkorsnas AB filed Critical Billerudkorsnas AB
Publication of WO2016130071A1 publication Critical patent/WO2016130071A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24—Lining or labelling
    • B29C49/2408—In-mould lining or labelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24—Lining or labelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24—Lining or labelling
    • B29C2049/2412—Lining or labelling outside the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24—Lining or labelling
    • B29C2049/2414—Linings or labels, e.g. specific geometry, multi-layered or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/24—Lining or labelling
    • B29C2049/2414—Linings or labels, e.g. specific geometry, multi-layered or material
    • B29C2049/24302—Label materials
    • B29C2049/24306—Label materials using different material for the label and the preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0842—Sheets or tubes applied around the bottle with or without subsequent folding operations
    • B65D23/0864—Applied in mould

Definitions

  • the present disclosure generally relates to a labeled container and to a method of producing a labeled container.
  • a blow molded container with a stretchable paper sleeve and a method of producing the labeled container with blow molding are described.
  • US 2002166833 Ai discloses a process for making a labeled plastic container using a stretch blow molding process wherein a polymer label sleeve is positioned over at least a portion of the exterior surface of a preform to produce a sleeved preform and the sleeved preform is stretch blow molded to produce a labeled container having a snug-fit label.
  • a method of producing a labeled container comprises arranging a sleeve of stretchable paper material within a mold, establish a clearance between the sleeve and the mold, and blow molding a plastic preform within the mold to form the container such that the expansion of the preform stretches the sleeve at least partly around the circumference of the container.
  • the container may for example be a bottle, such as bottles for beverages, olive oils, ketchup and liquid detergents.
  • the container may be a jar, such as jars for pharma, foods and cosmetics or a yoghurt cup.
  • the container may have a neck smaller than its body.
  • the container may have a "wide mouth”. The width of the "wide mouth” may substantially correspond to the width of the body.
  • the container may be any type of package.
  • One suitable material for the container is PET.
  • a typical example of container is a PET-bottle.
  • the neck or mouth of the container may have a screw thread for attaching a cap. This screw thread maybe provided already on the preform.
  • the exterior profile of the container may include one or more inclined portions and/or bulges.
  • the exterior profile of the container maybe wave formed.
  • the container maybe cylindrical, conical, pyramidal or spherical.
  • the cross section of the container may for example be circular, triangular, square or polygonal.
  • the weight of the container maybe 3-80 grams, such as 5-20 grams, for example 8 grams.
  • the rigidity of the sleeve enables the thickness of the container (i.e., the container without the sleeve) to be reduced.
  • the amount of plastic (i.e., non-renewable material) in the container may be reduced without reducing the overall stability of the labeled container.
  • One type of stability may be the grip stiffness. Since the density of the sleeve is typically lower than the density of plastics such as PET, also the overall weight of the labeled container could possibly be reduced.
  • the cooling time after the injection molding of the preform and after the blow molding of the container is shortened. The cooling times are the most time consuming step in many blow molding processes. Thus, also the production costs are reduced in this manner.
  • the container may shrink somewhat when cooling after the blow molding. Due to the elasticity of the paper material in the sleeve, the sleeve springs back and follows the shrinkage of the container during cooling and stays fully attached to the container.
  • the stretchability of the paper may be at least 5 % in both the machine direction (MD) and the cross direction (CD). For example, it maybe at least 6 or 7 % in both directions. In one embodiment, it is at least 7 % CD and at least 14 % in the MD.
  • An example of a stretchable paper suitable for being used with the present disclosure is FibreForm® marketed by BillerudKorsnas AB. The stretchability may for example be measured according to standard ISO 1924-3.
  • the grammage of the paper may for example be 50-500 g/m 2 , such as 80-150 g/ m 2 .
  • the sleeve When the sleeve is attached to the container, the container is regarded as a sleeved or labeled container.
  • the sleeve may be a paper sheet composed of a single layer. However, it may also be a laminate composed of a plurality of paper layers, such as two, three or four layers.
  • the paper sheet may thus be a paperboard sheet or a cardboard sheet.
  • the paper sheet of the sleeve may also be coated with one or more coating layers having one or more barrier properties, for example a plastic coating against moisture.
  • a film having one or more barrier properties maybe glued to the paper sheet to form a barrier layer.
  • the sleeve may have a substantially cylindrical or substantially conical appearance. It may be provided as a banderole or label tube around the container. One or more sleeves may be provided around the container. In case several sleeves are used, the stretch in these sleeves may differ, for example due to attachment on container regions of different diameter.
  • the sleeve may enclose substantially the entire container.
  • the sleeve may fully encircle the container around its central axis. In this case, two ends of the stretchable paper material may be glued together, or otherwise attached, to form the sleeve. Alternatively, the sleeve may only partially encircle the container by having a circumferential extension of at least 200°. The sleeve may be printed either before or after the blow molding process.
  • the sleeve is only partly constituted by stretchable paper material along a central axis of the container, or along the
  • the sleeve may be constituted by two portions of stretchable paper material and an intermediate non- stretchable material in an alternating manner along the central axis of the container.
  • Such sleeve may be used together with a corresponding mold that prevents the intermediate non-stretchable material from being broken during the blow molding.
  • the mold may in this case have an
  • Such intermediate non-stretchable material maybe provided with additional properties, such as a further reduced weight and/ or a higher rigidity compared to the stretchable paper material of the sleeve.
  • the entire sleeve is constituted by a stretchable paper material
  • the sleeve is stretched in regions adjacent the peaks of the wave profile and is not stretched, or stretched less, in regions adjacent the valleys of the wave profile.
  • the clearance between the sleeve and the mold constitutes a space allowing the sleeve to be stretched outwards, away from the center of the container.
  • the clearance is a radial clearance.
  • the size of the clearance largely depends on the final dimensions of the container.
  • the clearance may be 1-30 mm.
  • the sleeve may be arranged in the center of the mold, e.g. concentrically arranged. Alternatively, the sleeve may be laterally offset within the mold. It is possible to arrange the sleeve in contact with the mold prior to molding and also to carry out the blow molding with the sleeve in this position. Thus, the clearance does not have to be provided around the entire circumference of the sleeve. More than one clearance may also be provided.
  • the sleeve By stretching the sleeve around the container, the sleeve is attached to the container. Thus, no gluing is required between the sleeve and the container.
  • the stretchability of the sleeve also allows it to follow any shape of the container.
  • the sleeve of stretchable paper material does not need a smooth area for attachment to the container.
  • the sleeve of stretchable paper material also smoothes out thin regions of the blow molded container in contact with the sleeve. Thereby, the sleeve prevents thin regions of the container to get a wobbly surface by the blow molding.
  • the material of the preform may be selected in dependence of the blow molding process and the desired characteristics of the container.
  • the preform maybe an injection molded or extrusion molded plastic tube, e.g. of polymer material. Any preform mentioned in US 2002166833 Ai may be used.
  • the preform maybe produced separately from (e.g. by a different company), or in immediate connection with (e.g. in the same production line or with the same machine), the blow molding process.
  • the preform may be heat conditioned prior to the blow molding.
  • the preform maybe heated to a temperature of 100-120 °C.
  • the heat conditioning may also be a cooling of the preform, for example when the preform has a high temperature (such as 300 °C) from an injection molding process.
  • the heat conditioning is varied at different portions of the preform to influence the stretch properties of the final container.
  • the lower part of the preform may be controlled to have a higher temperature than the upper part of the preform.
  • both the heating of the preform and the interior shape of the mold may be varied to obtain a particular shape of the container.
  • the mold may be openable and closable. This may be realized by hinged attachments between two or more mold parts.
  • the mold is constituted by a left part, a right part and a bottom part.
  • the left part and the right part maybe hingedly attached.
  • the bottom part maybe hinged to one of the left part and the right part.
  • the bottom part may be raised or lowered independently of the remaining parts.
  • the left part and the right part may enclose the bottom part.
  • the mold may contain any combination of reliefs, embossings and patterns for shaping the sleeve and/ or the container.
  • the blow molding maybe carried out by blowing air of sufficient pressure into the preheated preform.
  • the mold cools the container when this (or the sleeve) contacts the mold during the blow molding.
  • This cooling effect may be accomplished by a using a mold material with high thermal conductivity and/or with a cooling arrangement.
  • the sleeve Prior to starting the blow molding, the sleeve may be fixed relative to the preform and/ or the mold. This may be realized by indexing arrangements on the preform and/ or on the mold. As an example, the label is fixed with an indexing arrangement at a bottom part of the mold.
  • the indexing arrangement maybe movable, i.e. retractable away from the mold. This movement may be synchronized with the blow molding process in order to maintain the sleeve in its proper position as long as possible while at the same time avoiding interference between the expanding preform and the indexing arrangement.
  • Figs, la-ie illustrate a method of producing a labeled container in the form of a bottle
  • Fig. 2 shows a labeled container in the form of a yoghurt cup
  • Fig. 3 shows a labeled container in the form of a bottle with two sleeves provided around the bottle;
  • Fig. 4 shows a labeled container with a wave formed exterior
  • Figs, la-ie show a method of producing a labeled container in the form of a bottle.
  • Fig. la shows the mold with substantially smooth interior surfaces.
  • the mold is illustrated as being rigid, it may be openable and closable in various ways.
  • the mold maybe constituted by a left part, a right part and a bottom part, as described above.
  • the mold has a threaded portion corresponding to the threads of the container to be formed.
  • Fig. lb shows a sleeve of stretchable paper material arranged substantially concentrically within the mold. In this embodiment, the sleeve is a
  • a radial clearance is established between the sleeve and the mold around the entire circumference of the sleeve.
  • the mold may open and/ or the sleeve may be folded.
  • Fig. lc shows a PET preform being inserted into the opening of the mold.
  • the preform has a temperature of about no °C.
  • Fig. id shows the blow molding of the preform. With pressurized air, the heated preform is blown against the interior of the mold. When the expanding preform contacts the interior of the sleeve, also the sleeve starts to stretch radially outwards towards the interior of the mold along the clearance between the sleeve and the mold. Upon contact with the mold interior, the blown container is cooled.
  • the sleeve When the blow molding is completed, the sleeve is stretched around the circumference of the bottle to form a labeled bottle. Due to this stretch, the sleeve stays attached to the bottle. The stretched sleeve adds rigidity to the bottle. Thereby, the overall thickness and weight of the bottle (i.e., the bottle without the sleeve) may be reduced.
  • Fig. le shows the bottle ejected from the mold to cool.
  • the heated bottle may shrink somewhat during cooling. Due to the elasticity of the paper material in sleeve, the sleeve stays firmly attached to the bottle when shrinking.
  • the bottle may then be further processed as desired. For example, the sleeve may be printed (if not previously done), the bottle may be filled and a cap may be attached. Any of these steps may be performed in the same production line or at a different location.
  • Fig. 2 shows a labeled container in the form of a yoghurt cup, which is one type of a so-called "wide mouth” container.
  • Both the yoghurt cup and the sleeve have a substantially conical appearance.
  • the conical sleeve may be formed from a sleeve with substantially cylindrical appearance prior to the blow molding.
  • the stretch of the paper material in the sleeve varies substantially linearly along the longitudinal direction of the yoghurt cup.
  • the stretch is highest at the largest diameter of the sleeve.
  • the sleeve maybe conical already prior to the blow molding.
  • the stretch of the sleeve may be substantially equal along the longitudinal direction of the yoghurt cup.
  • Fig. 3 shows a labeled container in the form of a bottle with two separate sleeves of stretchable paper material stretched around the circumference of the bottle.
  • the two sleeves are separated along the longitudinal axis of the bottle.
  • the two sleeves of stretchable paper material in Fig. 3 may be interconnected by a section of non-stretchable material. This section of non- stretchable material may have a wider diameter than the two sleeves of stretchable paper material prior to the blow molding.
  • Fig. 4 shows a labeled container in the form of a bottle with a wave formed exterior profile along the longitudinal axis of the bottle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

La présente invention concerne un récipient étiqueté et un procédé de production d'un récipient étiqueté. Le procédé de production du récipient étiqueté comprend : la mise en place d'un manchon de matériau étirable en papier à l'intérieur d'un moule et l'établissement d'un jeu entre le manchon et le moule ; et le moulage par soufflage d'une préforme en matière plastique à l'intérieur du moule pour former le récipient de sorte que l'expansion de la préforme étire le manchon au moins partiellement autour de la circonférence du récipient.
PCT/SE2016/050092 2015-02-10 2016-02-09 Récipient étiqueté Ceased WO2016130071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1550147-1 2015-02-10
SE1550147A SE1550147A1 (sv) 2015-02-10 2015-02-10 Labeled container

Publications (1)

Publication Number Publication Date
WO2016130071A1 true WO2016130071A1 (fr) 2016-08-18

Family

ID=52633956

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2016/050092 Ceased WO2016130071A1 (fr) 2015-02-10 2016-02-09 Récipient étiqueté

Country Status (2)

Country Link
SE (1) SE1550147A1 (fr)
WO (1) WO2016130071A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018058192A1 (fr) * 2016-09-28 2018-04-05 Tailored Packaging Pty Ltd Gobelet

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1027484A (en) * 1962-12-07 1966-04-27 Hoechst Ag Process for applying paper labels to blow extruded hollow bodies
US4601926A (en) * 1985-01-24 1986-07-22 Owens-Illinois, Inc. Process for applying copolyester barrier layer on polyester container
EP0273623A2 (fr) * 1986-12-29 1988-07-06 Owens-Illinois Plastic Products Inc. Etiquettes et leur application sur des conteneurs en matière plastique
JPH0858796A (ja) * 1994-08-24 1996-03-05 Toppan Printing Co Ltd 生分解性複合容器及びその製造方法
EP0795390A1 (fr) * 1996-03-15 1997-09-17 L'oreal Récipient comportant une étiquette decorative et procédé d'obtention de ce récipient
US20020124945A1 (en) * 2000-02-11 2002-09-12 Ron Muir In-mold label with perforations
US20020166833A1 (en) 2001-05-10 2002-11-14 Marcus David Shelby Process for making labeled containers using a stretch blow molding process
DE102007014870A1 (de) * 2007-03-26 2008-10-02 Khs Ag Verfahren zum Herstellen von Flaschen oder dergleichen Behälter aus Kunststoff
US20130005927A1 (en) * 2010-01-08 2013-01-03 Great Fortune (Hk) Limited Method of forming thermoplastic article

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1027484A (en) * 1962-12-07 1966-04-27 Hoechst Ag Process for applying paper labels to blow extruded hollow bodies
US4601926A (en) * 1985-01-24 1986-07-22 Owens-Illinois, Inc. Process for applying copolyester barrier layer on polyester container
EP0273623A2 (fr) * 1986-12-29 1988-07-06 Owens-Illinois Plastic Products Inc. Etiquettes et leur application sur des conteneurs en matière plastique
JPH0858796A (ja) * 1994-08-24 1996-03-05 Toppan Printing Co Ltd 生分解性複合容器及びその製造方法
EP0795390A1 (fr) * 1996-03-15 1997-09-17 L'oreal Récipient comportant une étiquette decorative et procédé d'obtention de ce récipient
US20020124945A1 (en) * 2000-02-11 2002-09-12 Ron Muir In-mold label with perforations
US20020166833A1 (en) 2001-05-10 2002-11-14 Marcus David Shelby Process for making labeled containers using a stretch blow molding process
DE102007014870A1 (de) * 2007-03-26 2008-10-02 Khs Ag Verfahren zum Herstellen von Flaschen oder dergleichen Behälter aus Kunststoff
US20130005927A1 (en) * 2010-01-08 2013-01-03 Great Fortune (Hk) Limited Method of forming thermoplastic article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018058192A1 (fr) * 2016-09-28 2018-04-05 Tailored Packaging Pty Ltd Gobelet

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Publication number Publication date
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