CN217234822U - 一种hdpe双壁波纹管 - Google Patents
一种hdpe双壁波纹管 Download PDFInfo
- Publication number
- CN217234822U CN217234822U CN202123442488.8U CN202123442488U CN217234822U CN 217234822 U CN217234822 U CN 217234822U CN 202123442488 U CN202123442488 U CN 202123442488U CN 217234822 U CN217234822 U CN 217234822U
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- corrugated pipe
- double
- annular plate
- plate body
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- 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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- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 21
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000009975 flexible effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
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Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123442488.8U CN217234822U (zh) | 2021-12-28 | 2021-12-28 | 一种hdpe双壁波纹管 |
Applications Claiming Priority (1)
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CN202123442488.8U CN217234822U (zh) | 2021-12-28 | 2021-12-28 | 一种hdpe双壁波纹管 |
Publications (1)
Publication Number | Publication Date |
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CN217234822U true CN217234822U (zh) | 2022-08-19 |
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Family Applications (1)
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CN202123442488.8U Active CN217234822U (zh) | 2021-12-28 | 2021-12-28 | 一种hdpe双壁波纹管 |
Country Status (1)
Country | Link |
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CN (1) | CN217234822U (zh) |
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2021
- 2021-12-28 CN CN202123442488.8U patent/CN217234822U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: HDPE double wall corrugated pipe Effective date of registration: 20230310 Granted publication date: 20220819 Pledgee: Bank of Communications Co.,Ltd. Guizhou Branch Pledgor: GUIZHOU GS TECHNOLOGY PLASTIC PIPE CO.,LTD. Registration number: Y2023520000011 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220819 Pledgee: Bank of Communications Co.,Ltd. Guizhou Branch Pledgor: GUIZHOU GS TECHNOLOGY PLASTIC PIPE CO.,LTD. Registration number: Y2023520000011 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A HDPE double wall corrugated pipe Granted publication date: 20220819 Pledgee: Bank of Communications Co.,Ltd. Guizhou Branch Pledgor: GUIZHOU GS TECHNOLOGY PLASTIC PIPE CO.,LTD. Registration number: Y2024520000012 |