CN213175544U - 一种双层防腐防脱落的油管接箍 - Google Patents
一种双层防腐防脱落的油管接箍 Download PDFInfo
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- CN213175544U CN213175544U CN202120716141.9U CN202120716141U CN213175544U CN 213175544 U CN213175544 U CN 213175544U CN 202120716141 U CN202120716141 U CN 202120716141U CN 213175544 U CN213175544 U CN 213175544U
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- coupling
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- double
- oil pipe
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- 230000008878 coupling Effects 0.000 title claims abstract description 85
- 238000010168 coupling process Methods 0.000 title claims abstract description 85
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 85
- 238000005260 corrosion Methods 0.000 title claims description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 11
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
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CN202120716141.9U CN213175544U (zh) | 2021-04-09 | 2021-04-09 | 一种双层防腐防脱落的油管接箍 |
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CN202120716141.9U CN213175544U (zh) | 2021-04-09 | 2021-04-09 | 一种双层防腐防脱落的油管接箍 |
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CN213175544U true CN213175544U (zh) | 2021-05-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113236149A (zh) * | 2021-06-24 | 2021-08-10 | 沧州瑞泰石油机械有限公司 | 特殊螺纹直连式大口径油管套 |
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2021
- 2021-04-09 CN CN202120716141.9U patent/CN213175544U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113236149A (zh) * | 2021-06-24 | 2021-08-10 | 沧州瑞泰石油机械有限公司 | 特殊螺纹直连式大口径油管套 |
CN113236149B (zh) * | 2021-06-24 | 2024-04-09 | 沧州瑞泰石油机械有限公司 | 特殊螺纹直连式大口径油管套 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double layer anti-corrosion and anti falling tubing coupling Effective date of registration: 20221020 Granted publication date: 20210511 Pledgee: Dongying Bank Co.,Ltd. Pledgor: Dongying Longwei Electromechanical Equipment Co.,Ltd. Registration number: Y2022980019039 |
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PE01 | Entry into force 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: 20231026 Granted publication date: 20210511 Pledgee: Dongying Bank Co.,Ltd. Pledgor: Dongying Longwei Electromechanical Equipment Co.,Ltd. Registration number: Y2022980019039 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |