CN1151311C - Boronized-sulfurized composite layer on surface of steel parts - Google Patents
Boronized-sulfurized composite layer on surface of steel parts Download PDFInfo
- Publication number
- CN1151311C CN1151311C CNB001145118A CN00114511A CN1151311C CN 1151311 C CN1151311 C CN 1151311C CN B001145118 A CNB001145118 A CN B001145118A CN 00114511 A CN00114511 A CN 00114511A CN 1151311 C CN1151311 C CN 1151311C
- Authority
- CN
- China
- Prior art keywords
- sulfurizing
- layer
- boronising
- steel part
- composite bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001145118A CN1151311C (en) | 2000-04-24 | 2000-04-24 | Boronized-sulfurized composite layer on surface of steel parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001145118A CN1151311C (en) | 2000-04-24 | 2000-04-24 | Boronized-sulfurized composite layer on surface of steel parts |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1274019A CN1274019A (en) | 2000-11-22 |
CN1151311C true CN1151311C (en) | 2004-05-26 |
Family
ID=4584182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001145118A Expired - Fee Related CN1151311C (en) | 2000-04-24 | 2000-04-24 | Boronized-sulfurized composite layer on surface of steel parts |
Country Status (1)
Country | Link |
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CN (1) | CN1151311C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102560505B (en) * | 2010-12-17 | 2013-11-20 | 中国石油大学(华东) | Composite abrasion-resisting corrosion-resisting self-lubricating film and preparation method thereof |
CN106270807B (en) * | 2016-08-30 | 2018-11-27 | 哈尔滨汽轮机厂有限责任公司 | A kind of carburized gears flank of tooth method for grinding |
JP7228228B2 (en) * | 2018-12-18 | 2023-02-24 | 株式会社日本テクノ | Gas sulphurization method and gas sulphurization apparatus |
CN114321698B (en) * | 2021-12-30 | 2022-07-19 | 大连科利德光电子材料有限公司 | Steel cylinder for storing electronic-grade nitric oxide and machining method thereof |
-
2000
- 2000-04-24 CN CNB001145118A patent/CN1151311C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1274019A (en) | 2000-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Kingdream Shareate Engineering Tool Co., Ltd. Assignor: Jianghan Petroleum Drilling Bit Co., Ltd. Contract fulfillment period: 2006.12.30 to 2012.12.29 contract change Contract record no.: 2009420000009 Denomination of invention: Boronized-sulfurized composite layer on surface of steel parts Granted publication date: 20040526 License type: Exclusive license Record date: 2009.4.2 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.12.30 TO 2012.12.29; CHANGE OF CONTRACT Name of requester: SUZHOU JIANGZUANXINRUI ENGINNERING TOOLS CO., LTD. Effective date: 20090402 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040526 Termination date: 20160424 |
|
CF01 | Termination of patent right due to non-payment of annual fee |