CN214768798U - 一种无焊缝双头大小头预制装置 - Google Patents
一种无焊缝双头大小头预制装置 Download PDFInfo
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- CN214768798U CN214768798U CN202121093881.8U CN202121093881U CN214768798U CN 214768798 U CN214768798 U CN 214768798U CN 202121093881 U CN202121093881 U CN 202121093881U CN 214768798 U CN214768798 U CN 214768798U
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- die
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 22
- 238000004512 die casting Methods 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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CN202121093881.8U CN214768798U (zh) | 2021-05-21 | 2021-05-21 | 一种无焊缝双头大小头预制装置 |
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CN202121093881.8U CN214768798U (zh) | 2021-05-21 | 2021-05-21 | 一种无焊缝双头大小头预制装置 |
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CN214768798U true CN214768798U (zh) | 2021-11-19 |
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CN202121093881.8U Active CN214768798U (zh) | 2021-05-21 | 2021-05-21 | 一种无焊缝双头大小头预制装置 |
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2021
- 2021-05-21 CN CN202121093881.8U patent/CN214768798U/zh active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 061300 No. 188, Chengnan Industrial Zone, Yanshan County, Cangzhou City, Hebei Province Patentee after: Hebei Shengya pipe fittings Co.,Ltd. Address before: 061300 Longtan section, Yanta Road, Yanshan County, Cangzhou City, Hebei Province Patentee before: Hebei Shengya pipe fittings 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: A prefabrication device for double head and small head without welding seam Granted publication date: 20211119 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Hebei Shengya pipe fittings Co.,Ltd. Registration number: Y2024980006645 |