CN102705597B - 一种中空钉头波纹管及制作方法 - Google Patents
一种中空钉头波纹管及制作方法 Download PDFInfo
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- CN102705597B CN102705597B CN201210018386.XA CN201210018386A CN102705597B CN 102705597 B CN102705597 B CN 102705597B CN 201210018386 A CN201210018386 A CN 201210018386A CN 102705597 B CN102705597 B CN 102705597B
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CN201210018386.XA CN102705597B (zh) | 2012-01-20 | 2012-01-20 | 一种中空钉头波纹管及制作方法 |
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CN201210018386.XA CN102705597B (zh) | 2012-01-20 | 2012-01-20 | 一种中空钉头波纹管及制作方法 |
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CN102705597A CN102705597A (zh) | 2012-10-03 |
CN102705597B true CN102705597B (zh) | 2015-08-05 |
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CN201210018386.XA Active CN102705597B (zh) | 2012-01-20 | 2012-01-20 | 一种中空钉头波纹管及制作方法 |
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CN108317309B (zh) * | 2017-12-19 | 2019-06-07 | 宁波甬尚聚新材料有限公司 | 一种中空壁塑钢缠绕管 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390704A (en) * | 1992-12-09 | 1995-02-21 | Kanao; Shiro | Synthetic resin pipe including cylindrical inner wall and a spirally extending corrugated outer wall |
CN2883854Y (zh) * | 2006-04-27 | 2007-03-28 | 李寿山 | 大口径增强型中空结构壁管材 |
CN101016964A (zh) * | 2007-02-07 | 2007-08-15 | 李寿山 | 由缠绕材料构成管材壁的大口径高强度塑料缠绕管及制法 |
CN202493802U (zh) * | 2012-01-20 | 2012-10-17 | 浙江双林机电科技有限公司 | 一种中空钉头波纹管 |
Family Cites Families (2)
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CN2672410Y (zh) * | 2004-01-18 | 2005-01-19 | 大庆油田长垣管业有限公司 | 塑料定位钉钢骨架增强塑料复合管件 |
CN201964047U (zh) * | 2011-01-31 | 2011-09-07 | 石家庄宝石克拉大径塑管有限公司 | 聚乙烯缠绕结构壁品字型管材 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5390704A (en) * | 1992-12-09 | 1995-02-21 | Kanao; Shiro | Synthetic resin pipe including cylindrical inner wall and a spirally extending corrugated outer wall |
CN2883854Y (zh) * | 2006-04-27 | 2007-03-28 | 李寿山 | 大口径增强型中空结构壁管材 |
CN101016964A (zh) * | 2007-02-07 | 2007-08-15 | 李寿山 | 由缠绕材料构成管材壁的大口径高强度塑料缠绕管及制法 |
CN202493802U (zh) * | 2012-01-20 | 2012-10-17 | 浙江双林机电科技有限公司 | 一种中空钉头波纹管 |
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CN102705597A (zh) | 2012-10-03 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hollow corrugated pipe with nailheads and manufacture method for hollow corrugated pipe with nailheads Effective date of registration: 20171018 Granted publication date: 20150805 Pledgee: Zhejiang Deqing rural commercial bank Limited by Share Ltd Pledgor: Zhejiang Shuanglin Electromechanical Technology Co., Ltd. Registration number: 2017980000426 |
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Date of cancellation: 20190131 Granted publication date: 20150805 Pledgee: Zhejiang Deqing rural commercial bank Limited by Share Ltd Pledgor: Zhejiang Shuanglin Electromechanical Technology Co., Ltd. Registration number: 2017980000426 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |