JP2008229956A - 発泡耐熱容器の製造方法 - Google Patents
発泡耐熱容器の製造方法 Download PDFInfo
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- JP2008229956A JP2008229956A JP2007070664A JP2007070664A JP2008229956A JP 2008229956 A JP2008229956 A JP 2008229956A JP 2007070664 A JP2007070664 A JP 2007070664A JP 2007070664 A JP2007070664 A JP 2007070664A JP 2008229956 A JP2008229956 A JP 2008229956A
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- Prior art keywords
- mold
- sheet material
- crystalline resin
- concave
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 48
- 229920006038 crystalline resin Polymers 0.000 claims abstract description 46
- 239000006260 foam Substances 0.000 claims description 51
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 11
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 241000257465 Echinoidea Species 0.000 description 1
- 229920006127 amorphous resin Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000013557 nattō Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
【解決手段】凹型11と凸型12の嵌り合い成形隙間aを、成形に用いる結晶性樹脂発泡シート材Aの厚み以下に設定し、加熱させた凹型11と凸型12で結晶性樹脂発泡シート材Aを両面から挟んでプレス成形した際、凸型12を凹型11と同温もしくは高温に設定し、凹型11と凸型12に設けた吸引口19、20で結晶性樹脂発泡シート材Aを吸引して凹型11と凸型12の両面に密着させることにより結晶化を行い、成形後に、吸引を停止させた凸型12を先行で離型させて凹型11は吸引状態を継続することで成形品の表面を冷やし、吸引を停止して凹型11から成形品を離型する。
【選択図】図4
Description
2 容器本体
3 段部
4 大形部
5 フランジ
6 可曲部
7 蓋部材
8 周枠部
9 補強リブ
11 凹型
12 凸型
13 容器本体成形部
14 蓋部材成形部
15 可曲部成形部
16 容器本体成形部
17 蓋部材成形部
18 可曲部成形部
19 吸引口
20 吸引口
A 結晶性樹脂発泡シート材
Claims (2)
- 凹型と凸型の嵌り合い成形隙間を、成形に用いる結晶性樹脂発泡シート材の厚み以下に設定し、加熱させた凹型と凸型で結晶性樹脂発泡シート材を両面から挟んでプレス成形した際、凹型と凸型に設けた吸引口で結晶性樹脂発泡シート材を吸引して凹型と凸型の両面に密着させることにより結晶性樹脂発泡シート材の結晶化を行い、成形後に、吸引を停止させた凸型を先行で離型させて凹型は吸引状態を継続することで成形品の表面を冷やし、この後、吸引を停止して凹型から成形品を離型する発泡耐熱容器の製造方法。
- 上記凹型と凸型を、結晶性樹脂発泡シート材の融点以下の温度範囲において、凸型を凹型と同温もしくは高温に設定して結晶性樹脂発泡シート材をプレス成形する請求項1に記載の発泡耐熱容器の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007070664A JP4974723B2 (ja) | 2007-03-19 | 2007-03-19 | 発泡耐熱容器の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007070664A JP4974723B2 (ja) | 2007-03-19 | 2007-03-19 | 発泡耐熱容器の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008229956A true JP2008229956A (ja) | 2008-10-02 |
JP4974723B2 JP4974723B2 (ja) | 2012-07-11 |
Family
ID=39903327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007070664A Active JP4974723B2 (ja) | 2007-03-19 | 2007-03-19 | 発泡耐熱容器の製造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4974723B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015199102A (ja) * | 2014-04-09 | 2015-11-12 | 新日鐵住金株式会社 | プレス成形装置およびプレス成形方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5750325U (ja) * | 1980-09-05 | 1982-03-23 | ||
JPH03239527A (ja) * | 1990-02-16 | 1991-10-25 | Sekisui Plastics Co Ltd | 発泡ポリエチレンテレフタレートシートの成形方法 |
JPH06134854A (ja) * | 1992-10-27 | 1994-05-17 | Sekisui Plastics Co Ltd | 結晶性熱可塑性樹脂シートの成形金型 |
JPH06190912A (ja) * | 1992-12-25 | 1994-07-12 | Sekisui Plastics Co Ltd | 発泡ポリエチレンテレフタレートシートの成形方法 |
-
2007
- 2007-03-19 JP JP2007070664A patent/JP4974723B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5750325U (ja) * | 1980-09-05 | 1982-03-23 | ||
JPH03239527A (ja) * | 1990-02-16 | 1991-10-25 | Sekisui Plastics Co Ltd | 発泡ポリエチレンテレフタレートシートの成形方法 |
JPH06134854A (ja) * | 1992-10-27 | 1994-05-17 | Sekisui Plastics Co Ltd | 結晶性熱可塑性樹脂シートの成形金型 |
JPH06190912A (ja) * | 1992-12-25 | 1994-07-12 | Sekisui Plastics Co Ltd | 発泡ポリエチレンテレフタレートシートの成形方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015199102A (ja) * | 2014-04-09 | 2015-11-12 | 新日鐵住金株式会社 | プレス成形装置およびプレス成形方法 |
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JP4974723B2 (ja) | 2012-07-11 |
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