CN202467668U - 一种金刚石复合片内凹钻头 - Google Patents
一种金刚石复合片内凹钻头 Download PDFInfo
- Publication number
- CN202467668U CN202467668U CN2011205568713U CN201120556871U CN202467668U CN 202467668 U CN202467668 U CN 202467668U CN 2011205568713 U CN2011205568713 U CN 2011205568713U CN 201120556871 U CN201120556871 U CN 201120556871U CN 202467668 U CN202467668 U CN 202467668U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- diamond compact
- rock breaking
- pdc
- inner concave
- 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 - Lifetime
Links
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 15
- 239000010432 diamond Substances 0.000 title claims abstract description 15
- 239000011435 rock Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Images
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- Earth Drilling (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205568713U CN202467668U (zh) | 2011-12-28 | 2011-12-28 | 一种金刚石复合片内凹钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205568713U CN202467668U (zh) | 2011-12-28 | 2011-12-28 | 一种金刚石复合片内凹钻头 |
Publications (1)
Publication Number | Publication Date |
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CN202467668U true CN202467668U (zh) | 2012-10-03 |
Family
ID=46915834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011205568713U Expired - Lifetime CN202467668U (zh) | 2011-12-28 | 2011-12-28 | 一种金刚石复合片内凹钻头 |
Country Status (1)
Country | Link |
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CN (1) | CN202467668U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329030A (zh) * | 2014-10-24 | 2015-02-04 | 宜春学院 | 一种六点定位内凹三翼pdc不取芯钻头结构及其保径方法 |
-
2011
- 2011-12-28 CN CN2011205568713U patent/CN202467668U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329030A (zh) * | 2014-10-24 | 2015-02-04 | 宜春学院 | 一种六点定位内凹三翼pdc不取芯钻头结构及其保径方法 |
CN104329030B (zh) * | 2014-10-24 | 2016-09-21 | 宜春学院 | 一种六点定位内凹三翼pdc不取芯钻头结构及其保径方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XIAN JINGWEI DRILLING MACHINES AND TOOLS MANUFACTURING Co.,Ltd. Assignor: Yang Gang Contract record no.: 2014610000089 Denomination of utility model: Diamond compact concave drill bit of Granted publication date: 20121003 License type: Exclusive License Record date: 20140513 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Yang Gang Document name: Notice of expiration and termination of patent right |