CN101423886B - 一种车钩尾销孔的热处理方法、车钩和火焰加热枪头 - Google Patents
一种车钩尾销孔的热处理方法、车钩和火焰加热枪头 Download PDFInfo
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- CN101423886B CN101423886B CN2008101829045A CN200810182904A CN101423886B CN 101423886 B CN101423886 B CN 101423886B CN 2008101829045 A CN2008101829045 A CN 2008101829045A CN 200810182904 A CN200810182904 A CN 200810182904A CN 101423886 B CN101423886 B CN 101423886B
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- pin hole
- heat treating
- treating method
- heated
- coupler
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- 239000001294 propane Substances 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 15
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
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- 230000003245 working effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 206010011376 Crepitations Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 239000002826 coolant Substances 0.000 description 1
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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CN2008101829045A CN101423886B (zh) | 2008-12-05 | 2008-12-05 | 一种车钩尾销孔的热处理方法、车钩和火焰加热枪头 |
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CN2008101829045A CN101423886B (zh) | 2008-12-05 | 2008-12-05 | 一种车钩尾销孔的热处理方法、车钩和火焰加热枪头 |
Publications (2)
Publication Number | Publication Date |
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CN101423886A CN101423886A (zh) | 2009-05-06 |
CN101423886B true CN101423886B (zh) | 2011-07-06 |
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CN2008101829045A Expired - Fee Related CN101423886B (zh) | 2008-12-05 | 2008-12-05 | 一种车钩尾销孔的热处理方法、车钩和火焰加热枪头 |
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CN (1) | CN101423886B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112813231B (zh) * | 2021-01-04 | 2022-03-08 | 中车齐齐哈尔车辆有限公司 | 一种车钩销孔淬火感应器及车钩销孔淬火工艺 |
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CN101423886A (zh) | 2009-05-06 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090506 Assignee: QIQIHAR QRRS FANGYUAN TOOL AND MOULD MANUFACTURING Ltd. Assignor: QIQIHAR RAILWAY ROLLING STOCK Co.,Ltd. Contract record no.: 2014230000379 Denomination of invention: Heat treating method of coupler terminal pin hole, coupler and flame heating gun head Granted publication date: 20110706 License type: Exclusive License Record date: 20140718 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 |