CN2886055Y - 一字钎头用硬质合金片 - Google Patents
一字钎头用硬质合金片 Download PDFInfo
- Publication number
- CN2886055Y CN2886055Y CN 200620083936 CN200620083936U CN2886055Y CN 2886055 Y CN2886055 Y CN 2886055Y CN 200620083936 CN200620083936 CN 200620083936 CN 200620083936 U CN200620083936 U CN 200620083936U CN 2886055 Y CN2886055 Y CN 2886055Y
- Authority
- CN
- China
- Prior art keywords
- alloy
- drill bit
- circular arc
- hard metal
- metal tip
- 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
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Earth Drilling (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620083936 CN2886055Y (zh) | 2006-05-10 | 2006-05-10 | 一字钎头用硬质合金片 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620083936 CN2886055Y (zh) | 2006-05-10 | 2006-05-10 | 一字钎头用硬质合金片 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2886055Y true CN2886055Y (zh) | 2007-04-04 |
Family
ID=37961145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620083936 Expired - Fee Related CN2886055Y (zh) | 2006-05-10 | 2006-05-10 | 一字钎头用硬质合金片 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2886055Y (zh) |
-
2006
- 2006-05-10 CN CN 200620083936 patent/CN2886055Y/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG ROCK DRILLING TOOLS CO., LTD. Free format text: FORMER OWNER: LI MINGSUO Effective date: 20130315 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130315 Address after: 252311, No. three, 3 mountain road, West Lake Town, Yanggu County, Shandong, Liaocheng Patentee after: Shandong drilling & Drilling Tools Co., Ltd. Address before: 252311 Shandong Three Mountain Group Co., Ltd., West Lake 14, Shandong County, Yanggu Patentee before: Li Mingsuo |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20130510 |