CN212887413U - 一种采煤机截齿拆装装置 - Google Patents
一种采煤机截齿拆装装置 Download PDFInfo
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- CN212887413U CN212887413U CN202021820583.XU CN202021820583U CN212887413U CN 212887413 U CN212887413 U CN 212887413U CN 202021820583 U CN202021820583 U CN 202021820583U CN 212887413 U CN212887413 U CN 212887413U
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- 239000003245 coal Substances 0.000 title abstract description 11
- 239000011111 cardboard Substances 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 6
- 239000000284 extract Substances 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 224100 No. 86, Xingye Road, Dazhong Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Address before: 224100 Dazhong Industrial Park, Dazhong community, Dafeng District, Yancheng City, Jiangsu Province Patentee before: Yancheng outway Machinery Technology Co.,Ltd. |
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CP03 | Change of name, title or address | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2023980053973 Denomination of utility model: A coal mining machine cutting tooth disassembly and assembly device Granted publication date: 20210406 License type: Common License Record date: 20231226 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2023980053973 Date of cancellation: 20240926 |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2024980017838 Denomination of utility model: A disassembly and assembly device for cutting teeth of a coal mining machine Granted publication date: 20210406 License type: Common License Record date: 20241010 |