CN212043357U - 一种钢管杆生产用合缝机 - Google Patents
一种钢管杆生产用合缝机 Download PDFInfo
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- CN212043357U CN212043357U CN202020458953.3U CN202020458953U CN212043357U CN 212043357 U CN212043357 U CN 212043357U CN 202020458953 U CN202020458953 U CN 202020458953U CN 212043357 U CN212043357 U CN 212043357U
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- mouth
- roller
- frame
- hydraulic cylinder
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000007493 shaping process Methods 0.000 claims description 18
- 238000004513 sizing Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000004826 seaming Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sewing machine for steel pipe rod production Effective date of registration: 20210913 Granted publication date: 20201201 Pledgee: Luohe branch of Zhongyuan Bank Co.,Ltd. Pledgor: Henan Boao Electrical Equipment Co.,Ltd. Registration number: Y2021980009257 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201201 Pledgee: Luohe branch of Zhongyuan Bank Co.,Ltd. Pledgor: Henan Boao Electrical Equipment Co.,Ltd. Registration number: Y2021980009257 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |