JP7496062B2 - 多層プリフォーム、多層プリフォームの製造方法および多層容器の製造方法 - Google Patents
多層プリフォーム、多層プリフォームの製造方法および多層容器の製造方法 Download PDFInfo
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Description
まず、図1および図2により、本実施の形態による多層プリフォームから製造される多層容器10について説明する。なお、本明細書中、「上」および「下」とは、それぞれ多層容器10を正立させた状態(図1)における上方および下方のことをいう。
次に、外層1について説明する。
次に、多層容器10の内層2について説明する。
次に、本実施の形態による多層プリフォーム70について述べる。多層プリフォーム70は、上記多層容器10を製造するために用いるものである。図3および図4に示すように、多層プリフォーム70は、外層1aと、外層1aの内側に配置され、外層1aと一体に形成された内層2aとを備えている。外層1aは、多層プリフォーム70の最外層であり、内層2aは、多層プリフォーム70の最内層である。
次に、多層プリフォーム70の外層1aについて説明する。
次に、多層プリフォーム70の内層2aについて説明する。多層プリフォーム70の内層2aを構成する材料は、多層容器10の内層2の材料と同一である。
2a 内層
10 多層容器
20a 胴部
30a 底部
31a ゲート痕
40a フィルム
43 開口部
70 多層プリフォーム
80 金型組合体
81 キャビティ側金型
82 コア
83 コア側金型
Claims (4)
- 多層プリフォームの製造方法において、
キャビティ側金型と、コアを含むコア側金型とを有する金型組合体を準備する工程と、
前記キャビティ側金型に、フィルムを装着する工程と、
前記フィルムが装着された前記キャビティ側金型内に、前記コアを挿入する工程と、
前記キャビティ側金型に装着された前記フィルムと、前記コアとの間の空間に射出樹脂を射出することにより、前記フィルムにより構成された外層と、前記外層の内側に配置され、前記外層と一体に形成された内層とを有する多層プリフォームを形成する工程とを備え、
前記外層は、溶解性熱可塑性樹脂を含み、
前記内層にゲート痕が存在し、
前記外層のうち、前記ゲート痕に対応する位置に開口部が形成されており、
前記ゲート痕は、前記開口部から外方に露出している、多層プリフォームの製造方法。 - 前記溶解性熱可塑性樹脂は、ポリビニルアルコール系樹脂、ポリアミド系樹脂およびエチレン-酢酸ビニル共重合体系樹脂のうちの少なくとも1つを含む、請求項1に記載の多層プリフォームの製造方法。
- 前記外層は、カルボキシ基含有樹脂を更に含む、請求項1または2に記載の多層プリフォームの製造方法。
- 請求項1乃至3のいずれか一項に記載の多層プリフォームの製造方法により多層プリフォームを作製する工程と、
前記多層プリフォームに対してブロー成形を施す工程と、を備える、多層容器の製造方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002370723A (ja) | 2001-06-13 | 2002-12-24 | Toppan Printing Co Ltd | Pet二層延伸ブロー成形容器 |
JP2006240629A (ja) | 2005-02-28 | 2006-09-14 | Yoshino Kogyosho Co Ltd | 合成樹脂製容器 |
JP2008179137A (ja) | 2006-12-25 | 2008-08-07 | Sumitomo Chemical Co Ltd | 成形体及びブロー容器、並びにブロー容器の製造方法 |
JP2017013383A (ja) | 2015-07-01 | 2017-01-19 | 大日本印刷株式会社 | 複合プリフォームおよびその製造方法、中間体、ならびに複合容器およびその製造方法 |
US20200198831A1 (en) | 2018-12-19 | 2020-06-25 | The Procter & Gamble Company | Article with Visual Effect and Method of Making |
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2020
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002370723A (ja) | 2001-06-13 | 2002-12-24 | Toppan Printing Co Ltd | Pet二層延伸ブロー成形容器 |
JP2006240629A (ja) | 2005-02-28 | 2006-09-14 | Yoshino Kogyosho Co Ltd | 合成樹脂製容器 |
JP2008179137A (ja) | 2006-12-25 | 2008-08-07 | Sumitomo Chemical Co Ltd | 成形体及びブロー容器、並びにブロー容器の製造方法 |
JP2017013383A (ja) | 2015-07-01 | 2017-01-19 | 大日本印刷株式会社 | 複合プリフォームおよびその製造方法、中間体、ならびに複合容器およびその製造方法 |
US20200198831A1 (en) | 2018-12-19 | 2020-06-25 | The Procter & Gamble Company | Article with Visual Effect and Method of Making |
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