CN210658458U - 一种井筒 - Google Patents
一种井筒 Download PDFInfo
- Publication number
- CN210658458U CN210658458U CN201921347798.1U CN201921347798U CN210658458U CN 210658458 U CN210658458 U CN 210658458U CN 201921347798 U CN201921347798 U CN 201921347798U CN 210658458 U CN210658458 U CN 210658458U
- Authority
- CN
- China
- Prior art keywords
- barrel
- heightening
- cylinder
- reinforcing ribs
- wellbore
- 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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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 238000005728 strengthening Methods 0.000 claims description 6
- 210000002445 nipple Anatomy 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921347798.1U CN210658458U (zh) | 2019-08-20 | 2019-08-20 | 一种井筒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921347798.1U CN210658458U (zh) | 2019-08-20 | 2019-08-20 | 一种井筒 |
Publications (1)
Publication Number | Publication Date |
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CN210658458U true CN210658458U (zh) | 2020-06-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921347798.1U Active CN210658458U (zh) | 2019-08-20 | 2019-08-20 | 一种井筒 |
Country Status (1)
Country | Link |
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CN (1) | CN210658458U (zh) |
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2019
- 2019-08-20 CN CN201921347798.1U patent/CN210658458U/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: A shaft Effective date of registration: 20220621 Granted publication date: 20200602 Pledgee: Weifang Bank Co.,Ltd. Changle Fangshan road sub branch Pledgor: SHANDONG PENGZHOU PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2022980008312 |
|
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 |
Date of cancellation: 20230614 Granted publication date: 20200602 Pledgee: Weifang Bank Co.,Ltd. Changle Fangshan road sub branch Pledgor: SHANDONG PENGZHOU PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2022980008312 |
|
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 type of wellbore Effective date of registration: 20230616 Granted publication date: 20200602 Pledgee: Weifang Bank Co.,Ltd. Changle Fangshan road sub branch Pledgor: SHANDONG PENGZHOU PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2023370010070 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200602 Pledgee: Weifang Bank Co.,Ltd. Changle Fangshan road sub branch Pledgor: SHANDONG PENGZHOU PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2023370010070 |