CN202804280U - 一种阶梯结构钻头 - Google Patents
一种阶梯结构钻头 Download PDFInfo
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- CN202804280U CN202804280U CN 201220554410 CN201220554410U CN202804280U CN 202804280 U CN202804280 U CN 202804280U CN 201220554410 CN201220554410 CN 201220554410 CN 201220554410 U CN201220554410 U CN 201220554410U CN 202804280 U CN202804280 U CN 202804280U
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- 241000125205 Anethum Species 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract 1
- 230000000596 hypostatic effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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Abstract
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554410 CN202804280U (zh) | 2012-10-26 | 2012-10-26 | 一种阶梯结构钻头 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554410 CN202804280U (zh) | 2012-10-26 | 2012-10-26 | 一种阶梯结构钻头 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804280U true CN202804280U (zh) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201220554410 Expired - Fee Related CN202804280U (zh) | 2012-10-26 | 2012-10-26 | 一种阶梯结构钻头 |
Country Status (1)
| Country | Link |
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| CN (1) | CN202804280U (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772506A (zh) * | 2015-04-13 | 2015-07-15 | 竞陆电子(昆山)有限公司 | 沉头螺孔成型钻针组及沉头螺孔成型方法 |
| CN104841983A (zh) * | 2015-05-29 | 2015-08-19 | 东莞豪顺家具有限公司 | 用于背板带底孔的铆钉加工刀具 |
| CN105312633A (zh) * | 2014-08-04 | 2016-02-10 | 丹阳市博上工具有限公司 | 一种打孔钻 |
-
2012
- 2012-10-26 CN CN 201220554410 patent/CN202804280U/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312633A (zh) * | 2014-08-04 | 2016-02-10 | 丹阳市博上工具有限公司 | 一种打孔钻 |
| CN104772506A (zh) * | 2015-04-13 | 2015-07-15 | 竞陆电子(昆山)有限公司 | 沉头螺孔成型钻针组及沉头螺孔成型方法 |
| CN104841983A (zh) * | 2015-05-29 | 2015-08-19 | 东莞豪顺家具有限公司 | 用于背板带底孔的铆钉加工刀具 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN BRS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN BRS IMPORT AND EXPORT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518115, No. 11, West Lane, Longgang District, Shenzhen, Guangdong, Henggang Patentee after: Shenzhen Brs Technology Co., Ltd. Address before: 518115, No. 11, West Lane, Longgang District, Shenzhen, Guangdong, Henggang Patentee before: Shenzhen BRS Import & Export Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |