AU2015390587B2 - In-mold label container and method for manufacturing same - Google Patents
In-mold label container and method for manufacturing same Download PDFInfo
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- AU2015390587B2 AU2015390587B2 AU2015390587A AU2015390587A AU2015390587B2 AU 2015390587 B2 AU2015390587 B2 AU 2015390587B2 AU 2015390587 A AU2015390587 A AU 2015390587A AU 2015390587 A AU2015390587 A AU 2015390587A AU 2015390587 B2 AU2015390587 B2 AU 2015390587B2
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- Prior art keywords
- label
- sheet
- gas barrier
- barrier properties
- mold
- Prior art date
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Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title description 3
- 230000004888 barrier function Effects 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 41
- 239000007789 gas Substances 0.000 description 33
- 239000005026 oriented polypropylene Substances 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- -1 polypropylene Polymers 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 6
- 229920006255 plastic film Polymers 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 5
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 4
- 239000012793 heat-sealing layer Substances 0.000 description 4
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009820 dry lamination Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1657—Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1671—Making multilayered or multicoloured articles with an insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/34—Coverings or external coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
- B29C2045/14532—Joining articles or parts of a single article injecting between two sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
[Problem] To provide an in-mold label container with superior gas barrier properties. [Solution] An in-mold label container 10 is provided with a barrel section 11 and a bottom section 1. The in-mold label container 10 has: a sheet-formed body 3 having the shape of the container and having gas barrier properties; a label 4 having gas barrier properties; and an injection resin 8 interposed between the sheet-formed body 3 and the label 4.
Description
IN-MOLD LABELED CONTAINER. AND METHOD FOR PRODUCING THE SAME
TECHNICAL FIELD [0001] The present invention relates to an in-mold labeled container which can secure gas barrier properties and a method for producing the same.
BACKGROUND ART [0002] An in-mold labeled container is produced by setting a label 10 having a heat-sealing layer in a mold in advance of injection molding, and fusion-bonding the heat-sealing layer of the label to the surface of an injection resin by the heat of the resin upon its injection molding.
[0003] A known in-mold labeled container using a label having gas 15 barrier properties has a body portion and a bottom portion. In the in-mold labeled container, a rigid label having high gas barrier properties is affixed as an insert material to the body and bottom portions. The use of such a rigid label can provide the in-mold labeled container with gas barrier properties and an increased overall mechanical strength. The label may be a laminate consisting of a body layer of rigid paper or synthetic paper and a barrier layer of a synthetic resin material having gas barrier properties.
[0004] However, in the conventional in-mold labeled container, a gap can be formed between both ends of the label affixed especially to the body portion. The gap may cause a decrease in the gas barrier properties of the container.
Prior Art Document Patent Document [0005] Patent document 1: Japanese Patent Laid-Open Publication
No. H8-132477 [0005a] Any discussion of documents, devices, acts or knowledge in this specification is included to explain the context of the invention. It should not be taken as an admission that any of the material formed part of the prior art base or the common general knowledge in the relevant art on or before the priority date of the claims herein.
[0005b] Comprises/comprising when used in this specification is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof.
2015390587 30 Nov 2018
SUMMARY OF THE INVENTION [0006] It would be desirable to provide an in-mold labeled container which can secure gas barrier properties even when a gap is formed between both ends of a label of the body portion of the container, and to provide a method for producing the container. [0007] The present invention provides an in-mold labeled container having a body portion and a bottom portion, comprising: a containershaped molded sheet having gas barrier properties and comprising a body-portion sheet and a bottom-portion sheet; a label having gas barrier properties and comprising at least a bottom-portion label and a body-portion label; and an injection resin interposed between the molded sheet and the label, wherein a gate hole for injection of the injection resin is formed in the label, wherein the container-shaped molded sheet having gas barrier properties, the injection resin and the label having gas barrier properties are provided from inside of the inmold labeled container to outside of the in-mold labeled container to form a three-layer structure.
[0008] This paragraph has been deleted.
[0009] In a preferred embodiment of the present invention, the label includes a print substrate layer.
[0010] In a preferred embodiment of the present invention, the body-portion label and the bottom-portion label are formed integrally.
[0011] In a preferred embodiment of the present invention, the body portion, at its top, has a flange portion comprising a flangeportion sheet provided at the top of the body-portion sheet, and the injection resin.
[0012] The present invention also provides a method for producing an in-mold labeled container, comprising the steps of: preparing a container-shaped molded sheet having gas barrier properties and comprising a body-portion sheet and a bottom-portion sheet, and a label having gas barrier properties and comprising at least a bottomportion label and a body-portion label, and having a gate hole formed therein; placing the molded sheet and the label in a mold; and injecting an injection resin from the gate hole of the label into a space between the molded sheet and the label in the mold, wherein the container-shaped molded sheet having gas barrier properties, the injection resin and the label having gas barrier properties are provided
2015390587 30 Nov 2018 from inside of the in-mold labeled container to outside of the in-mold labeled container to form a three-layer structure.
[0013] This paragraph has been deleted.
[0014] In a preferred embodiment of the present invention, the 5 label includes a print substrate layer.
[0015] In a preferred embodiment of the present invention, the body-portion label and the bottom-portion label are formed integrally.
[0016] In a preferred embodiment of the present invention, the 10 body portion, at its top, has a flange portion comprising a flangeportion sheet provided at the top of the body-portion sheet, and the injection resin.
Advantageous Effects of the Invention [0017] The in-mold labeled container according to the present 15 invention can have enhanced gas barrier properties even when a gap is formed in the label of the body portion.
BRIEF DESCRIPTION OF THE DRAWINGS [0018] FIG. 1 is a cross-sectional side view of an in-mold labeled 20 container according to an embodiment of the present invention;
FIG. 2 is a plan view of the in-mold labeled container;
FIG. 3 is a perspective view of the in-mold labeled container;
FIG. 4 is a perspective view of a molded sheet;
FIG. 5 is a plan view of the molded sheet;
FIG. 6 is a cross-sectional side view illustrating the laminate structure of the molded sheet;
FIG. 7A is a development view of a label comprising a body-portion label and a bottom-portion label, and FIG. 7B is an assembly view of the body-portion label and the bottom-portion label;
FIG. 8 is a cross-sectional side view illustrating the laminate structure of the label; and
FIGS. 9A, 9B and 9C are diagrams illustrating a method for 35 producing the in-mold labeled container.
DESCRIPTION OF THE PREFERRED EMBODIMENTS [0019] Embodiment
An embodiment of the present invention will now be described with reference to the drawings.
FIGS. 1 through 9C are diagrams illustrating the embodiment of the present invention.
[0020] As shown in FIGS. 1 through 3, an in-mold labeled container 10 includes a generally-octagonal cylindrical body portion 11 having a flange portion 14, and a bottom portion 12 coupled to the lower end of the body portion 11.
[0021] Further, the in-mold labeled container 10 comprises a molded sheet 3 having gas barrier properties, a label 4 having gas barrier properties, and an injection resin 8 interposed between the molded sheet 3 and the label 4.
[0022] The molded sheet 3 is located inside the injection resin 8, has the shape of a container comprising a body-portion sheet 3a corresponding to the body portion 11, a bottom-portion sheet 3b corresponding to the bottom portion 12, and a flange-portion sheet 3c corresponding to the flange portion 14, and has gas barrier properties as a whole (see FIGS. 4 through 6).
[0023] The label 4 is located outside the injection resin 8, comprises a body-portion label 5 corresponding to the body portion 11, and a bottom-portion label 7 corresponding to the bottom portion 12, and has gas barrier properties as a whole. A gate hole 7a for injection of the injection resin 8 is formed at the center of the bottom-portion label 7 (see FIGS. 7A, 7B and 8). The gas barrier properties herein at least include oxygen barrier properties, and may additionally include steam barrier properties. [0024] As shown in FIGS. 7A and 7B, the body-portion label 5 and the bottom-portion label 7, constituting the label 4, are formed integrally. The body-portion label 5 consists of a plurality of portions 5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h extending outward from the perimeter of the bottom-portion label 7.
[0025] Adjacent ones of the portions 5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h of the body-portion label 5 overlap each other and form overlap portions 5A.
[0026] Since the body-portion label 5 and the bottom-portion label 7 both have gas barrier properties as described above, the label 4 comprising the body-portion label 5 and the bottom-portion label 7 has high gas barrier properties.
In this embodiment the portions 5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h of the body-portion label 5 overlap each other and form the overlap portions 5A. Therefore, no gap is formed between the portions 5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h of the body-portion label 5. This can enhance the gas barrier properties of the in-mold labeled container 10 as a whole.
[0027] As shown in FIGS. 1 through 3, the body portion 11 of the in-mold labeled container 10 has the flange portion 14. The flange portion 14 comprises a flange-portion sheet 3c provided at the top of the body-portion sheet 3a of the molded sheet 3, and the injection resin 8 that has been injected onto the flange-portion sheet 3c.
[0028] Contents are filled into the in-mold labeled container 10 having the above construction. Subsequently, a lid material 30 composed of an aluminum layer 30a and a heat-sealing layer 30b is bonded to the flange portion 14 of the in-mold labeled container 10, thereby hermetically sealing the in-mold labeled container 10. [0029] The molded sheet 3 will now be described with reference to FIGS. 4 through 6.
As described above, the molded sheet 3 is container-shaped, and comprises the body-portion sheet 3a having the flange-portion sheet 3c, and the bottom-portion sheet 3b. In this embodiment the molded sheet 3 is formed of a sheet-like laminate 23 having the layer construction shown in FIG.
6.
[0030] In particular, as shown in FIG. 6, the laminate 23 constituting the molded sheet 3 consists of an outermost polypropylene (PP) layer 23a as a synthetic resin layer, an intermediate ethylene-vinyl alcohol copolymer (EVOH) layer 23b as a gas barrier layer having gas barrier properties, and an innermost polypropylene (PP) layer 23c as an adhesive layer. [0031] The container-shaped molded sheet 3 can be produced by subjecting the thus-constructed sheet-like laminate 23 to vacuum molding.
[0032] The label 4 comprising the body-portion label 5 and the bottom-portion label 7 will now be described.
The label 4 comprising the body-portion label 5 and the bottom-portion label 7 is formed of a laminate 24 having the layer construction shown in FIG. 8.
[0033] In particular, as shown in FIG. 8, the label 4 comprising the body-portion label 5 and the bottom-portion label 7, is composed of (i) an adhesive layer 24a bonded to the injection resin, (ii) a synthetic resin layer 24d, (iii) a gas barrier layer 24c and (iv) a print substrate layer 24b (the layers (i) and (ii) may be combined). The laminate 24 can be produced by independently forming the films of the layers 24a, 24b, 24c, 24d, and bonding them together with an adhesive (dry lamination), or by melt-extruding part or all of the layers (EC, co-extrusion). The print substrate layer may be omitted depending on the intended use.
[0034] While the adhesive layer 24a is not particularly limited as far as it can adhere to the injection resin, it is usually preferred to use a plastic resin of the same material as the injection resin, an adhesive resin such as EVA (ethylene-vinyl acetate copolymer)-containing polyethylene, ora plastic film co-extruded or coated with such a resin.
[0035] The film of the print substrate layer 24b is not particularly limited as far as it is printable. For example, a polyester film, a polypropylene film, a nylon film, etc. may be used arbitrarily. [0036] Examples of the gas barrier layer 24c include (a) aluminum foil (7 to 25 pm), (b) a plastic film or the like to which a metal or a metal oxide has been applied e.g. by vapor deposition, for example, a plastic film having a vapor-deposited silicon oxide layer, a plastic film having a vapor-deposited aluminum oxide layer or a plastic film having a vapor-deposited aluminum layer, and (c) other materials including a polyacrylonitrile film, an EVOH (ethylene-vinyl alcohol copolymer) film, a PVDC (polyvinylidene chloride) film, a biaxially-oriented PVDC-coated plastic film, etc. Such a material may be appropriately selected depending on the intended performance.
[0037] Polypropylene (PP) can be used for the synthetic resin layer 24d.
[0038] The laminate 24 of the above layers can be formed by a common method such as dry lamination, extrusion lamination, or coating, e.g. extrusion coating.
[0039] For example, the following specific labels can be used as the label 4 comprising the body-portion label 5 and the bottom-portion label 7.
(1) Heat-sealing oriented polypropylene layer (HSOPP) 30 μ/aluminum foil 7 μ/oriented polypropylene layer (OPP) 30 μ (2) Heat-sealing oriented polypropylene layer (HSOPP) 30 p/VM-PET12/oriented polypropylene layer (OPP) 30 μ (3) Heat sealant coating/oriented polypropylene layer (OPP) 30 μ/aluminum foil 7 μ/oriented polypropylene layer (OPP) 30 μ [0040] An injection-moldable thermoplastic resin such as polypropylene, polyethylene or polystyrene can be used as the injection resin 8 in the in-mold labeled container 10 of the present invention.
[0041] A method for producing the in-mold labeled container 10 will now be described with reference to FIGS. 9A, 9B and 9C.
First, the sheet-like laminate 23 is subjected to vacuum molding to produce the container-shaped molded sheet 3. Separately, the label 4 comprising the body-portion label 5 and the bottom-portion label 7 is prepared.
[0042] Next, as shown in FIG. 9A, a mold 20 comprising a cavity 22 and a core 21 is prepared, and the molded sheet 3 is stuck by suction to the core 21 of the mold 20.
[0043] Next, as shown in FIG. 9B, the label 4 is stuck by suction to the cavity 22 of the mold 20.
[0044] Next, the core 21 is moved close to the cavity 22 so as to insert the core 21 into the cavity 22, and then the cavity 22 and the core 21 are clamped.
[0045] Thereafter, an injection resin 8 is injected into the space between the cavity 22 and the core 21 from an injection port 22a provided in the cavity 22 (FIG. 9C). The injection resin 8, injected from the injection port 22a, intrudes into the space between the cavity 22 and the core 21 through the gate hole 7a provided in the label 4, and the molded sheet 3 and the label 4 are bonded together by the injection resin 8. The in-mold labeled container 10 is thus produced.
[0046] The thus-obtained in-mold labeled container 10 is taken out of the mold 20.
[0047] As described hereinabove, the in-mold labeled container 10 of this embodiment includes the container-shaped molded sheet 3 having gas barrier properties, the label 4 having gas barrier properties, and the injection resin interposed between the molded sheet 3 and the label 4. The use of the molded sheet 3 can maintain the gas barrier properties of the in-mold labeled container 10 as a whole even when a gap is formed in the label 4. [0048] Further, the label 4 is disposed outside the injection resin 8 and, in addition, contains the print substrate layer 24b. This can enhance the ornamental design of the in-mold labeled container 10.
[0049] Though in the above-described embodiment the molded sheet 3 is located inside the injection resin 8, and the label 4 is located outside the injection resin 8, it is also possible to dispose the molded sheet 3 outside the injection resin 8, and to dispose the label 4 inside the injection resin 8.
DESCRIPTION OF THE REFERENCE NUMERALS [0050] 3 molded sheet
3a body-portion sheet
3b bottom-portion sheet
3c flange-portion sheet label body-portion label
5A overlap portion
5a-5h portions bottom-portion label injection resin in-mold labeled container body portion bottom portion 14 flange portion 20 mold
21 core cavity
22a injection port laminate
23a synthetic resin layer
23b gas barrier layer
23c adhesive layer laminate
24a adhesive layer 24b print substrate layer
24c gas barrier layer
24d synthetic resin layer 30 lid material 30a aluminum layer 30b heat-sealing layer
Claims (8)
- CLAIMS:1. An in-mold labeled container having a body portion and a bottom portion, comprising:a container-shaped molded sheet having gas barrier properties and comprising a body-portion sheet and a bottom-portion sheet;a label having gas barrier properties and comprising at least a bottom-portion label and a body-portion label; and an injection resin interposed between the molded sheet and the label, wherein a gate hole for injection of the injection resin is formed in the label, wherein the container-shaped molded sheet having gas barrier properties, the injection resin and the label having gas barrier properties are provided from inside of the in-mold labeled container to outside of the in-mold labeled container to form a three-layer structure.
- 2. The in-mold labeled container according to claim 1, wherein the label includes a print substrate layer.
- 3. The in-mold labeled container according to either claim 1 or claim2, wherein the body-portion label and the bottom-portion label are formed integrally.
- 4. The in-mold labeled container according to any one of claims 1 to3, wherein the body portion, at its top, has a flange portion comprising a flange-portion sheet provided at the top of the body-portion sheet, and the injection resin.
- 5. A method for producing an in-mold labeled container, comprising the steps of:2015390587 30 Nov 2018 preparing a container-shaped molded sheet having gas barrier properties and comprising a body-portion sheet and a bottom-portion sheet, and a label having gas barrier properties and comprising at least a bottom-portion label and a body-portion label, and having a gate hole formed therein;placing the molded sheet and the label in a mold; and injecting an injection resin from the gate hole of the label into a space between the molded sheet and the label in the mold, wherein the container-shaped molded sheet having gas barrier properties, the injection resin and the label having gas barrier properties are provided from inside of the in-mold labeled container to outside of the in-mold labeled container to form a three-layer structure.
- 6. The method for producing an in-mold labeled container according to claim 5, wherein the label includes a print substrate layer.
- 7. The method for producing an in-mold labeled container according to either claim 5 or claim 6, wherein the body-portion label and the bottom-portion label are formed integrally.
- 8. The method for producing an in-mold labeled container according to any one of claims 5 to 7, wherein the body portion, at its top, has a flange portion comprising a flange-portion sheet provided at the top of the body-portion sheet, and the injection resin.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/060717 WO2016162914A1 (en) | 2015-04-06 | 2015-04-06 | In-mold label container and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2015390587A1 AU2015390587A1 (en) | 2017-10-26 |
| AU2015390587B2 true AU2015390587B2 (en) | 2019-01-17 |
Family
ID=57072199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2015390587A Active AU2015390587B2 (en) | 2015-04-06 | 2015-04-06 | In-mold label container and method for manufacturing same |
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| JP (1) | JP6569963B2 (en) |
| KR (2) | KR102225797B1 (en) |
| CN (1) | CN107206646B (en) |
| AU (1) | AU2015390587B2 (en) |
| WO (1) | WO2016162914A1 (en) |
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| KR102043080B1 (en) * | 2017-09-21 | 2019-11-12 | (주)동희산업 | High pressure vessel and manufacturing method of the same |
| CN108945693A (en) * | 2018-08-07 | 2018-12-07 | 上海珂明注塑系统科技有限公司 | A kind of high-obstruction container and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006150979A (en) * | 1994-09-14 | 2006-06-15 | Dainippon Printing Co Ltd | In-mold label vessel and its manufacturing method |
| JP2012206737A (en) * | 2011-03-29 | 2012-10-25 | Dainippon Printing Co Ltd | In-mold label container and method for manufacturing the same |
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| JP3828598B2 (en) | 1994-09-14 | 2006-10-04 | 大日本印刷株式会社 | In-mold label container and manufacturing method thereof |
| JPH08318927A (en) * | 1995-05-22 | 1996-12-03 | Toppan Printing Co Ltd | Transparent container with excellent gas barrier property |
| JP6128545B2 (en) * | 2012-11-13 | 2017-05-17 | 花王株式会社 | container |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006150979A (en) * | 1994-09-14 | 2006-06-15 | Dainippon Printing Co Ltd | In-mold label vessel and its manufacturing method |
| JP2012206737A (en) * | 2011-03-29 | 2012-10-25 | Dainippon Printing Co Ltd | In-mold label container and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015390587A1 (en) | 2017-10-26 |
| KR102179882B1 (en) | 2020-11-17 |
| JP6569963B2 (en) | 2019-09-04 |
| CN107206646B (en) | 2020-04-17 |
| JPWO2016162914A1 (en) | 2018-02-01 |
| KR20170105089A (en) | 2017-09-18 |
| WO2016162914A1 (en) | 2016-10-13 |
| CN107206646A (en) | 2017-09-26 |
| KR20190136135A (en) | 2019-12-09 |
| KR102225797B1 (en) | 2021-03-11 |
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