CN100383272C - 一种超细硬质合金及其制造方法 - Google Patents
一种超细硬质合金及其制造方法 Download PDFInfo
- Publication number
- CN100383272C CN100383272C CNB03116546XA CN03116546A CN100383272C CN 100383272 C CN100383272 C CN 100383272C CN B03116546X A CNB03116546X A CN B03116546XA CN 03116546 A CN03116546 A CN 03116546A CN 100383272 C CN100383272 C CN 100383272C
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- Prior art keywords
- alloy
- ball milling
- ultra
- matrix metal
- cemented carbide
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- 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.)
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- Powder Metallurgy (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB03116546XA CN100383272C (zh) | 2003-04-22 | 2003-04-22 | 一种超细硬质合金及其制造方法 |
Applications Claiming Priority (1)
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CNB03116546XA CN100383272C (zh) | 2003-04-22 | 2003-04-22 | 一种超细硬质合金及其制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN1450187A CN1450187A (zh) | 2003-10-22 |
CN100383272C true CN100383272C (zh) | 2008-04-23 |
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CNB03116546XA Expired - Fee Related CN100383272C (zh) | 2003-04-22 | 2003-04-22 | 一种超细硬质合金及其制造方法 |
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CN (1) | CN100383272C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107686925A (zh) * | 2017-09-18 | 2018-02-13 | 张家港钻通设备有限公司 | 一种钻头用硬质合金材料 |
CN111826569A (zh) * | 2020-07-21 | 2020-10-27 | 广东正信硬质材料技术研发有限公司 | 一种耐磨高硬度硬质合金钻具及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1069361A (zh) * | 1991-08-10 | 1993-02-24 | 北京科技大学 | 稀土永磁材料及其制备方法 |
CN1242350A (zh) * | 1998-07-22 | 2000-01-26 | 住友电气工业株式会社 | 立方氮化硼烧结体 |
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2003
- 2003-04-22 CN CNB03116546XA patent/CN100383272C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1069361A (zh) * | 1991-08-10 | 1993-02-24 | 北京科技大学 | 稀土永磁材料及其制备方法 |
CN1242350A (zh) * | 1998-07-22 | 2000-01-26 | 住友电气工业株式会社 | 立方氮化硼烧结体 |
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Publication number | Publication date |
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CN1450187A (zh) | 2003-10-22 |
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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: Zhejiang Hengcheng Hard Alloy Co., Ltd. Assignor: Shanghai University Contract fulfillment period: 2009.4.28 to 2014.4.27 contract change Contract record no.: 2009330000880 Denomination of invention: Superfine carbide alloy and mfg method thereof Granted publication date: 20080423 License type: Exclusive license Record date: 2009.5.7 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.28 TO 2014.4.27; CHANGE OF CONTRACT Name of requester: ZHEJIANG PROV HENGCHENG HARD ALLOY CO., LTD. Effective date: 20090507 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20120422 |