CN203948814U - 一种连接方便的预制直埋保温管 - Google Patents
一种连接方便的预制直埋保温管 Download PDFInfo
- Publication number
- CN203948814U CN203948814U CN201420362246.9U CN201420362246U CN203948814U CN 203948814 U CN203948814 U CN 203948814U CN 201420362246 U CN201420362246 U CN 201420362246U CN 203948814 U CN203948814 U CN 203948814U
- Authority
- CN
- China
- Prior art keywords
- thermal insulation
- steel tube
- insulation pipe
- working steel
- prefabricated direct
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420362246.9U CN203948814U (zh) | 2014-07-02 | 2014-07-02 | 一种连接方便的预制直埋保温管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420362246.9U CN203948814U (zh) | 2014-07-02 | 2014-07-02 | 一种连接方便的预制直埋保温管 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203948814U true CN203948814U (zh) | 2014-11-19 |
Family
ID=51890850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420362246.9U Expired - Fee Related CN203948814U (zh) | 2014-07-02 | 2014-07-02 | 一种连接方便的预制直埋保温管 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203948814U (zh) |
-
2014
- 2014-07-02 CN CN201420362246.9U patent/CN203948814U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Prefabricated directly-buried heat preservation pipe convenient to connect Effective date of registration: 20150911 Granted publication date: 20141119 Pledgee: Bank of Hebei Limited by Share Ltd. Tangshan Fenghuang New Town Branch Pledgor: TANGSHAN FENGNAN JUNYE ENERGY SAVING PRESERVATION MATERIAL Co.,Ltd. Registration number: 2015990000781 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161027 Granted publication date: 20141119 Pledgee: Bank of Hebei Limited by Share Ltd. Tangshan Fenghuang New Town Branch Pledgor: TANGSHAN FENGNAN JUNYE ENERGY SAVING PRESERVATION MATERIAL Co.,Ltd. Registration number: 2015990000781 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 063300 coastal industrial zone, Fengnan District, Hebei, Tangshan City Patentee after: HEBEI JY TECHNOLOGY CO.,LTD. Address before: 063300 coastal industrial zone, Fengnan District, Hebei, Tangshan City Patentee before: TANGSHAN FENGNAN JUNYE ENERGY SAVING PRESERVATION MATERIAL Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |