JP2021147069A - 複合成形容器及びその製造方法 - Google Patents
複合成形容器及びその製造方法 Download PDFInfo
- Publication number
- JP2021147069A JP2021147069A JP2020046771A JP2020046771A JP2021147069A JP 2021147069 A JP2021147069 A JP 2021147069A JP 2020046771 A JP2020046771 A JP 2020046771A JP 2020046771 A JP2020046771 A JP 2020046771A JP 2021147069 A JP2021147069 A JP 2021147069A
- Authority
- JP
- Japan
- Prior art keywords
- container
- laminate
- polyethylene
- layer
- thermoplastic resin
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000465 moulding Methods 0.000 title abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 35
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 238000005187 foaming Methods 0.000 claims abstract description 16
- 239000006260 foam Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 abstract 1
- -1 polypropylene Polymers 0.000 description 55
- 239000004698 Polyethylene Substances 0.000 description 47
- 229920000573 polyethylene Polymers 0.000 description 47
- 239000010410 layer Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 235000013305 food Nutrition 0.000 description 5
- 229920005672 polyolefin resin Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 235000014109 instant soup Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
10 積層体
10B 積層体の下端
12 紙基材
14 発泡層(ポリエチレンA層)
16 ポリエチレンB層
40 フランジ
60 金型
60A 凸型金型
60B 凹型金型
60C 注入口
Claims (4)
- 容器の上部と下部が異なる素材からなる複合成形容器であって、
容器上部は紙基材を主強度材とし最外層に発泡層を備えた積層体からなり、
容器下部は熱可塑性樹脂からなり、
容器上部の下端と容器下部の上端とが一体化している複合成形容器。 - 容器下部は射出成型により形成される、請求項1に記載の複合成形容器。
- 容器上部の上端にカール部またはフランジが形成されている、請求項1または2に記載の複合成形容器。
- 凹型と凸型のいずれか一方に樹脂注入口を有する金型を用いた複合成形容器の製造方法であって、
凹型の内側に逆錐台状または筒状に成形した発泡前の積層体を配置する配置工程と、
凹型と凸型との間に形成されたキャビティに、樹脂注入口から熱可塑性樹脂を充填する充填工程と、
積層体を加熱して、積層体の最外層を発泡させる発泡工程と、
を含む、複合成形容器の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020046771A JP7325916B2 (ja) | 2020-03-17 | 2020-03-17 | 複合成形容器及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020046771A JP7325916B2 (ja) | 2020-03-17 | 2020-03-17 | 複合成形容器及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021147069A true JP2021147069A (ja) | 2021-09-27 |
JP7325916B2 JP7325916B2 (ja) | 2023-08-15 |
Family
ID=77850896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020046771A Active JP7325916B2 (ja) | 2020-03-17 | 2020-03-17 | 複合成形容器及びその製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7325916B2 (ja) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57104554A (en) * | 1980-12-16 | 1982-06-29 | Dainippon Printing Co Ltd | Composite bottle vessel and its manufacture |
JPH05310277A (ja) * | 1992-04-28 | 1993-11-22 | Dainippon Printing Co Ltd | プラスチック製容器本体および金属蓋付容器 |
JPH09239871A (ja) * | 1996-03-07 | 1997-09-16 | Toppan Printing Co Ltd | 複合容器及びその製造方法 |
JPH11321939A (ja) * | 1998-05-20 | 1999-11-24 | Morinaga Milk Ind Co Ltd | 発泡容器の製造方法 |
JP2002172054A (ja) * | 2000-12-06 | 2002-06-18 | Ogura Hirohiko | 容 器 |
US20020172818A1 (en) * | 2001-04-05 | 2002-11-21 | Appleton Papers Inc. | Beverage and food containers and substrates |
JP2003341752A (ja) * | 2002-05-20 | 2003-12-03 | Dainippon Printing Co Ltd | 複合容器 |
JP2007076727A (ja) * | 2005-09-16 | 2007-03-29 | Dainippon Printing Co Ltd | 発泡ラベル付プラスチック成形容器、及びその製造方法 |
JP3174853U (ja) * | 2012-01-30 | 2012-04-12 | 李幼年 | 紙容器用樹脂注入構造 |
-
2020
- 2020-03-17 JP JP2020046771A patent/JP7325916B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57104554A (en) * | 1980-12-16 | 1982-06-29 | Dainippon Printing Co Ltd | Composite bottle vessel and its manufacture |
JPH05310277A (ja) * | 1992-04-28 | 1993-11-22 | Dainippon Printing Co Ltd | プラスチック製容器本体および金属蓋付容器 |
JPH09239871A (ja) * | 1996-03-07 | 1997-09-16 | Toppan Printing Co Ltd | 複合容器及びその製造方法 |
JPH11321939A (ja) * | 1998-05-20 | 1999-11-24 | Morinaga Milk Ind Co Ltd | 発泡容器の製造方法 |
JP2002172054A (ja) * | 2000-12-06 | 2002-06-18 | Ogura Hirohiko | 容 器 |
US20020172818A1 (en) * | 2001-04-05 | 2002-11-21 | Appleton Papers Inc. | Beverage and food containers and substrates |
JP2003341752A (ja) * | 2002-05-20 | 2003-12-03 | Dainippon Printing Co Ltd | 複合容器 |
JP2007076727A (ja) * | 2005-09-16 | 2007-03-29 | Dainippon Printing Co Ltd | 発泡ラベル付プラスチック成形容器、及びその製造方法 |
JP3174853U (ja) * | 2012-01-30 | 2012-04-12 | 李幼年 | 紙容器用樹脂注入構造 |
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Publication number | Publication date |
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JP7325916B2 (ja) | 2023-08-15 |
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