CN1005344B - 低温电镀金刚石异形钻头及其制造方法 - Google Patents
低温电镀金刚石异形钻头及其制造方法 Download PDFInfo
- Publication number
- CN1005344B CN1005344B CN85108125.8A CN85108125A CN1005344B CN 1005344 B CN1005344 B CN 1005344B CN 85108125 A CN85108125 A CN 85108125A CN 1005344 B CN1005344 B CN 1005344B
- Authority
- CN
- China
- Prior art keywords
- drill bit
- grams per
- electroplating
- per liters
- diamond
- 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
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- Earth Drilling (AREA)
Abstract
Description
Claims (32)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN85108125.8A CN1005344B (zh) | 1985-11-05 | 1985-11-05 | 低温电镀金刚石异形钻头及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN85108125.8A CN1005344B (zh) | 1985-11-05 | 1985-11-05 | 低温电镀金刚石异形钻头及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN85108125A CN85108125A (zh) | 1987-05-06 |
CN1005344B true CN1005344B (zh) | 1989-10-04 |
Family
ID=4795913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN85108125.8A Expired CN1005344B (zh) | 1985-11-05 | 1985-11-05 | 低温电镀金刚石异形钻头及其制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1005344B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100351404C (zh) * | 2005-11-24 | 2007-11-28 | 江苏曙光集团有限公司 | 石油钻杆接头硬度值偏高处理工艺 |
CN101824967B (zh) * | 2010-04-30 | 2012-10-03 | 石家庄环球新世纪工具有限公司 | 一种高结合强度金刚石工程薄壁钻头及制造方法 |
CN102587837A (zh) * | 2011-01-10 | 2012-07-18 | 张鹰 | 金刚石孕镶钻头的唇面形状 |
GB201220294D0 (en) * | 2012-11-12 | 2012-12-26 | Element Six Gmbh | Pick tool assembly and method of using same |
CN103015905A (zh) * | 2012-11-29 | 2013-04-03 | 桂林金刚石工业有限公司 | 双齿轮底喷式金刚石钻头 |
CN103015902A (zh) * | 2012-11-29 | 2013-04-03 | 桂林金刚石工业有限公司 | 双齿轮金刚石钻头 |
CN103939011A (zh) * | 2014-03-28 | 2014-07-23 | 云南锡业股份有限公司 | 一种在坚硬花岗岩中钻进的方法 |
CN105672892A (zh) * | 2016-03-05 | 2016-06-15 | 丁栋 | 旋挖钻机pdc钻头 |
CN105835237B (zh) * | 2016-05-04 | 2019-02-15 | 江苏科技大学 | 一种电镀金刚石钻头及其制备方法 |
-
1985
- 1985-11-05 CN CN85108125.8A patent/CN1005344B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CN85108125A (zh) | 1987-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C13 | Decision | ||
GR02 | Examined patent application | ||
CI01 | Publication of corrected invention patent application |
Correct: Li Dafo False: Li Dawei Number: 40 Page: 2 Volume: 5 Correct: China University of Geosciences (Wuhan) Changjiang electroplated diamond bit Electric Development Company False: Wuhan Geological College Number: 40 Page: 2 Volume: 5 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ERR | Gazette correction |
Free format text: CORRECT FROM: LI DAWEI TO: LI DAFU; FROM: CHINA GEOLOGICAL UNIV. TO: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN), THE YANGTZE RIVER ELECTROPLATED DIAMOND DRILL DEVELOPMENT CORPORATION |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |