JP4685684B2 - 合成樹脂製波付管 - Google Patents
合成樹脂製波付管 Download PDFInfo
- Publication number
- JP4685684B2 JP4685684B2 JP2006098979A JP2006098979A JP4685684B2 JP 4685684 B2 JP4685684 B2 JP 4685684B2 JP 2006098979 A JP2006098979 A JP 2006098979A JP 2006098979 A JP2006098979 A JP 2006098979A JP 4685684 B2 JP4685684 B2 JP 4685684B2
- Authority
- JP
- Japan
- Prior art keywords
- outer layer
- synthetic resin
- thickness
- inner layer
- tube
- 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.)
- Expired - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Description
実施例1〜実施例11では、合成樹脂製波付管11の肉厚を変更して、可撓管の性能試験(圧縮復元性、耐燃性、耐屈曲復元性、引張強さ)を行い、各性能試験の性能に適合したものを○とし、適合しなかったものを×とした。その結果を表1に示す。なお、合成樹脂製波付管11の外層13と内層12との管径方向への厚みの比率を、実施例1〜4,6,7,9,10では2:8とし、実施例5,8,11では1:9とした。また、実施例1,3,5,6,7,8,9,10,11では外層13に難燃剤を添加した難燃EVAを用い、実施例2,4では外層13に難燃剤を添加しないEVAを用いた。
Claims (1)
- 機械的強度を有する内層の外周に耐候性を有する材料よりなる外層を重ねてなる複層構造をなすとともに、管軸方向への断面が波形状をなす可撓性を有する合成樹脂製波付管であって、
前記内層はポリエチレン又はポリスチレンよりなり、前記外層はエチレン酢ビコポリマー(EVA)よりなるとともに、前記外層の管径方向に沿った厚みが、前記内層の前記管径方向に沿った厚みよりも薄く形成されており、
前記外層の厚みは、前記内層の厚みの1/4以下に設定されているとともに、前記外層と前記内層を合わせた厚みは、1.1mm以上に設定されていることを特徴とする合成樹脂製波付管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006098979A JP4685684B2 (ja) | 2006-03-31 | 2006-03-31 | 合成樹脂製波付管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006098979A JP4685684B2 (ja) | 2006-03-31 | 2006-03-31 | 合成樹脂製波付管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007268906A JP2007268906A (ja) | 2007-10-18 |
JP4685684B2 true JP4685684B2 (ja) | 2011-05-18 |
Family
ID=38672190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006098979A Expired - Fee Related JP4685684B2 (ja) | 2006-03-31 | 2006-03-31 | 合成樹脂製波付管 |
Country Status (1)
Country | Link |
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JP (1) | JP4685684B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3006239B1 (fr) * | 2013-05-28 | 2016-07-29 | Decathlon Sa | Chambre de pneu |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55111254A (en) * | 1979-02-20 | 1980-08-27 | Sekisui Plastics | Rotary molding and its preparation |
JPS59204551A (ja) * | 1983-05-07 | 1984-11-19 | 昭和電工株式会社 | 多層中空成形品 |
JP3246999B2 (ja) * | 1993-11-19 | 2002-01-15 | 古河電気工業株式会社 | 合成樹脂製可撓波形管 |
JPH1110757A (ja) * | 1997-06-20 | 1999-01-19 | Nkk Corp | 有機溶剤が浸透しない合成樹脂管 |
-
2006
- 2006-03-31 JP JP2006098979A patent/JP4685684B2/ja not_active Expired - Fee Related
Also Published As
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JP2007268906A (ja) | 2007-10-18 |
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