JP2017178434A - 積層剥離容器及びプリフォーム - Google Patents
積層剥離容器及びプリフォーム Download PDFInfo
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Abstract
【解決手段】積層剥離容器1を、少なくとも接地部6aと凹部6bとに跨る領域A1に設けられ、外層体2及び内層体3の何れか一方から突出して何れか他方にアンダーカット状に係合している係合突起部10を有するものとする。また、プリフォーム11を、少なくとも底部16の胴部15との境界部分から底部16の軸心O2の手前にまで延びる領域A2に設けられ、外体12及び内体13の何れか一方から突出して何れか他方にアンダーカット状に係合している係合突起部20を有するものとする。
【選択図】図1
Description
2 外層体
3 内層体
4 口部
4a 雄ねじ
5 胴部
6 底部
6a 接地部
6b 凹部
7 収容部
10 係合突起部
11 プリフォーム
12 外体
13 内体
14 口部
15 胴部
16 底部
20 係合突起部
30 金型
30a キャビティ
O1 軸心
O2 軸心
A1 領域
A2 領域
Claims (10)
- 外層体と該外層体の内面に剥離可能に積層された内層体とを備えた合成樹脂製の積層剥離容器であって、
筒状の口部と、
前記口部に連なる胴部と、
接地部と該接地部よりも軸心側に設けられる凹部とを備え、前記胴部の下端を閉塞している底部と、
前記底部の、少なくとも前記接地部と前記凹部とに跨る領域に設けられ、前記外層体及び前記内層体の何れか一方から突出して前記外層体及び前記内層体の何れか他方にアンダーカット状に係合している係合突起部と、を有することを特徴とする積層剥離容器。 - 前記係合突起部が、前記底部の、少なくとも該底部の軸心を挟んで互いに対向するとともに前記接地部と前記凹部とに跨る一対の領域に設けられている、請求項1に記載の積層剥離容器。
- 前記係合突起部の延在方向に垂直な断面がT字形状である、請求項1または2に記載の積層剥離容器。
- 前記係合突起部が前記内層体と一体に設けられて該内層体から前記外層体に向けて突出している、請求項1〜3の何れか1項に記載の積層剥離容器。
- 前記係合突起部が、前記口部及び前記胴部の軸心に沿って前記底部から前記胴部を経て前記口部にまで延びている、請求項1〜4の何れか1項に記載の積層剥離容器。
- 外体と該外体の内面に積層された内体とを備え、ブロー成形に用いられる合成樹脂製のプリフォームであって、
筒状の口部と、
前記口部に連なる胴部と、
前記胴部の下端を閉塞している底部と、
前記底部の、少なくとも該底部の前記胴部との境界部分から該底部の軸心の手前にまで延びる領域に設けられ、前記外体及び前記内体の何れか一方から突出して前記外体及び前記内体の何れか他方にアンダーカット状に係合している係合突起部と、を有することを特徴とするプリフォーム。 - 前記係合突起部が、前記底部の、少なくとも該底部の軸心を挟んで互いに対向するとともに該底部の前記胴部との境界部分から該底部の軸心の手前にまで延びる一対の領域に設けられている、請求項6に記載のプリフォーム。
- 前記係合突起部の延在方向に垂直な断面がT字形状である、請求項6または7に記載のプリフォーム。
- 前記係合突起部が前記内体と一体に設けられて該内体から前記外体に向けて突出している、請求項6〜8の何れか1項に記載のプリフォーム。
- 前記係合突起部が、前記口部及び前記胴部の軸心に沿って前記底部から前記胴部を経て前記口部にまで延びている、請求項6〜9の何れか1項に記載のプリフォーム。
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| US16/079,016 US10807758B2 (en) | 2016-03-31 | 2017-02-02 | Delamination container and preform |
| EP17773648.5A EP3438012B1 (en) | 2016-03-31 | 2017-02-02 | Delamination container and prefrom |
| PCT/JP2017/003852 WO2017169099A1 (ja) | 2016-03-31 | 2017-02-02 | 積層剥離容器及びプリフォーム |
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| JP2020019522A (ja) * | 2018-07-31 | 2020-02-06 | 株式会社吉野工業所 | 積層剥離容器 |
| WO2020158127A1 (ja) | 2019-01-31 | 2020-08-06 | 株式会社吉野工業所 | 二重容器 |
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| JP2021031171A (ja) * | 2019-08-29 | 2021-03-01 | 株式会社吉野工業所 | 積層剥離容器 |
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| US10807758B2 (en) | 2020-10-20 |
| US20190031386A1 (en) | 2019-01-31 |
| JP6808339B2 (ja) | 2021-01-06 |
| EP3438012A4 (en) | 2019-11-20 |
| EP3438012A1 (en) | 2019-02-06 |
| WO2017169099A1 (ja) | 2017-10-05 |
| EP3438012B1 (en) | 2021-04-28 |
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