CN203847078U - 桥式精密微孔筛管 - Google Patents
桥式精密微孔筛管 Download PDFInfo
- Publication number
- CN203847078U CN203847078U CN201420267049.9U CN201420267049U CN203847078U CN 203847078 U CN203847078 U CN 203847078U CN 201420267049 U CN201420267049 U CN 201420267049U CN 203847078 U CN203847078 U CN 203847078U
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- skeleton
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- base tube
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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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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 4
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- -1 filter ruffle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420267049.9U CN203847078U (zh) | 2014-05-23 | 2014-05-23 | 桥式精密微孔筛管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420267049.9U CN203847078U (zh) | 2014-05-23 | 2014-05-23 | 桥式精密微孔筛管 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203847078U true CN203847078U (zh) | 2014-09-24 |
Family
ID=51560112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420267049.9U Expired - Lifetime CN203847078U (zh) | 2014-05-23 | 2014-05-23 | 桥式精密微孔筛管 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203847078U (zh) |
-
2014
- 2014-05-23 CN CN201420267049.9U patent/CN203847078U/zh not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DONGYING RUIFENG PETROLEUM TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: KONG LISHENG Effective date: 20150612 Owner name: SHANDONG RUIFENG PETROLEUM TECHNOLOGY CO., LTD. QI Effective date: 20150612 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150612 Address after: 257067 Shandong Province, Dongying city Dongying District five bridge Taishan Road East Patentee after: DONGYING RUIFENG PETROLEUM TECHNOLOGY DEVELOPMENT CO.,LTD. Patentee after: SHANDONG RUIFENG PETROLEUM TECHNOLOGY Co.,Ltd. Patentee after: QINGDAO RUIXIN PETROLEUM EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 257000 Shandong province Dongying City West Road No. 518 Patentee before: Kong Lisheng |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140924 |