CN204785131U - 一种预制直埋聚氨酯保温管 - Google Patents
一种预制直埋聚氨酯保温管 Download PDFInfo
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- CN204785131U CN204785131U CN201520474482.4U CN201520474482U CN204785131U CN 204785131 U CN204785131 U CN 204785131U CN 201520474482 U CN201520474482 U CN 201520474482U CN 204785131 U CN204785131 U CN 204785131U
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CN201520474482.4U CN204785131U (zh) | 2015-06-30 | 2015-06-30 | 一种预制直埋聚氨酯保温管 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105398041A (zh) * | 2015-12-15 | 2016-03-16 | 中投(天津)热能装备发展有限公司 | 一种玻璃钢复合保温蒸汽管加工方法 |
CN108266579A (zh) * | 2018-03-28 | 2018-07-10 | 昊天节能装备有限责任公司 | 一种高密度聚乙烯聚氨酯内减阻保温管 |
CN110145654A (zh) * | 2019-04-30 | 2019-08-20 | 卢爽 | 含有层状双氢氧化物无机阻锈涂层的预制隔热输水管道 |
CN112728229A (zh) * | 2020-10-27 | 2021-04-30 | 中投(天津)智能管道股份有限公司 | 一种3pe钢外护型预警直埋绝热保温管生产方法 |
CN113063040A (zh) * | 2021-04-15 | 2021-07-02 | 江苏天润管业有限公司 | 一种高密度聚氨酯直埋保温管及其制备方法 |
-
2015
- 2015-06-30 CN CN201520474482.4U patent/CN204785131U/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105398041A (zh) * | 2015-12-15 | 2016-03-16 | 中投(天津)热能装备发展有限公司 | 一种玻璃钢复合保温蒸汽管加工方法 |
CN108266579A (zh) * | 2018-03-28 | 2018-07-10 | 昊天节能装备有限责任公司 | 一种高密度聚乙烯聚氨酯内减阻保温管 |
CN110145654A (zh) * | 2019-04-30 | 2019-08-20 | 卢爽 | 含有层状双氢氧化物无机阻锈涂层的预制隔热输水管道 |
CN112728229A (zh) * | 2020-10-27 | 2021-04-30 | 中投(天津)智能管道股份有限公司 | 一种3pe钢外护型预警直埋绝热保温管生产方法 |
CN113063040A (zh) * | 2021-04-15 | 2021-07-02 | 江苏天润管业有限公司 | 一种高密度聚氨酯直埋保温管及其制备方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 301800 Baodi Baodi plastic products industrial zone (Tianjin (Tianjin) thermal energy equipment development Co., Ltd.) Patentee after: CIC (Tianjin) thermal Limited by Share Ltd Address before: 301800 Baodi Baodi plastic products industrial zone (Tianjin (Tianjin) thermal energy equipment development Co., Ltd.) Patentee before: CIC (Tianjin) thermal equipment development Co., Ltd. |
|
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: Prefabricated direct -burried polyurethane insulation pipe shutoff head Effective date of registration: 20170320 Granted publication date: 20151118 Pledgee: International Leasing Co., Ltd. Pledgor: CIC (Tianjin) thermal Limited by Share Ltd Registration number: 2017120000013 |
|
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: 20190325 Granted publication date: 20151118 Pledgee: International Leasing Co., Ltd. Pledgor: CIC (Tianjin) thermal Limited by Share Ltd Registration number: 2017120000013 |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 301800 Baodi Baodi plastic products industrial zone (Tianjin (Tianjin) thermal energy equipment development Co., Ltd.) Patentee after: CIC (Tianjin) Intelligent Pipeline Co.,Ltd. Address before: 301800 Baodi Baodi plastic products industrial zone (Tianjin (Tianjin) thermal energy equipment development Co., Ltd.) Patentee before: CHINA INVESTMENT (TIANJIN) THERMAL POWER Co.,Ltd. |