CN209145541U - 可脱手公锥 - Google Patents
可脱手公锥 Download PDFInfo
- Publication number
- CN209145541U CN209145541U CN201821994283.6U CN201821994283U CN209145541U CN 209145541 U CN209145541 U CN 209145541U CN 201821994283 U CN201821994283 U CN 201821994283U CN 209145541 U CN209145541 U CN 209145541U
- Authority
- CN
- China
- Prior art keywords
- conehead
- top connection
- wall
- hand
- die nipple
- 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
Links
- 210000002445 nipple Anatomy 0.000 title claims abstract description 23
- 241001149930 Protura <class> Species 0.000 claims abstract description 35
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 4
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 241000251468 Actinopterygii Species 0.000 abstract description 5
- 238000003801 milling Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821994283.6U CN209145541U (zh) | 2018-11-30 | 2018-11-30 | 可脱手公锥 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821994283.6U CN209145541U (zh) | 2018-11-30 | 2018-11-30 | 可脱手公锥 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209145541U true CN209145541U (zh) | 2019-07-23 |
Family
ID=67288341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821994283.6U Expired - Fee Related CN209145541U (zh) | 2018-11-30 | 2018-11-30 | 可脱手公锥 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209145541U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114263170A (zh) * | 2021-12-27 | 2022-04-01 | 江西联保工程咨询有限公司 | 一种旋进式pc管桩 |
-
2018
- 2018-11-30 CN CN201821994283.6U patent/CN209145541U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114263170A (zh) * | 2021-12-27 | 2022-04-01 | 江西联保工程咨询有限公司 | 一种旋进式pc管桩 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 |
|
CF01 | Termination of patent right due to non-payment of annual fee |