JPS4894094A - - Google Patents
Info
- Publication number
- JPS4894094A JPS4894094A JP48017941A JP1794173A JPS4894094A JP S4894094 A JPS4894094 A JP S4894094A JP 48017941 A JP48017941 A JP 48017941A JP 1794173 A JP1794173 A JP 1794173A JP S4894094 A JPS4894094 A JP S4894094A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7205920 | 1972-02-17 | ||
| DE7301349 | 1973-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4894094A true JPS4894094A (fr) | 1973-12-04 |
Family
ID=25946936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48017941A Pending JPS4894094A (fr) | 1972-02-17 | 1973-02-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3828480A (fr) |
| JP (1) | JPS4894094A (fr) |
| CH (1) | CH573285A5 (fr) |
| FR (1) | FR2172735A5 (fr) |
| GB (1) | GB1425368A (fr) |
| IT (1) | IT979147B (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0182954A1 (fr) * | 1984-11-29 | 1986-06-04 | Fiorenzo Trebbi | Dispositif pour affûter des pointes de forets, alésoirs et pièces de filetage |
| US4787176A (en) * | 1986-01-24 | 1988-11-29 | The Boeing Company | Drill bit sharpening apparatus |
| US4821463A (en) * | 1986-01-24 | 1989-04-18 | The Boeing Company | Drill bit sharpening apparatus |
| US4782633A (en) * | 1986-01-24 | 1988-11-08 | The Boeing Company | Drill bit sharpening method |
| US20060128272A1 (en) * | 1998-05-21 | 2006-06-15 | Tycom Corporation | Automated drill bit re-sharpening and verification system |
| US6283824B1 (en) * | 1998-05-21 | 2001-09-04 | Tycom Corporation | Automated drill bit re-sharpening and verification system |
| TW538849U (en) * | 2002-05-21 | 2003-06-21 | Jen-Fu Lin | Grinding device for drill bit |
| CN102941513B (zh) * | 2012-11-20 | 2015-03-18 | 丹阳市盛力机械有限公司 | 麻花钻开口和双后角组合磨床 |
| CN108705385A (zh) * | 2018-08-04 | 2018-10-26 | 陕西理工大学 | 麻花钻刃磨装置 |
| CN110978352B (zh) * | 2019-12-26 | 2021-12-28 | 青岛国工建筑装饰有限公司 | 一种建筑装饰用锁管塑料件的修整转送设备及其工作方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US288069A (en) * | 1883-11-06 | Emery-wheel for grinding twist-drills and other tools | ||
| US2017532A (en) * | 1933-10-11 | 1935-10-15 | Nicholas J Elter | Drill sharpening mechanism |
| US2474357A (en) * | 1947-07-11 | 1949-06-28 | Elizabeth E Haynes | Drill grinder |
| US2618909A (en) * | 1950-01-10 | 1952-11-25 | Norton Co | Grinding machine |
| US2827741A (en) * | 1953-09-29 | 1958-03-25 | Robert K Thomas | Drill grinding machine |
| US2911771A (en) * | 1956-09-28 | 1959-11-10 | Christen & Co A G | Apparatus for sharpening drills by means of a grinding wheel |
| US2897635A (en) * | 1956-11-16 | 1959-08-04 | Stephanoff Alexander | Drill pointing machine |
| US2907149A (en) * | 1957-02-26 | 1959-10-06 | Lowell E Whitesel | Drill grinder device |
-
1973
- 1973-01-25 CH CH106373A patent/CH573285A5/xx not_active IP Right Cessation
- 1973-02-15 JP JP48017941A patent/JPS4894094A/ja active Pending
- 1973-02-15 US US00332616A patent/US3828480A/en not_active Expired - Lifetime
- 1973-02-15 IT IT20440/73A patent/IT979147B/it active
- 1973-02-16 FR FR7305605A patent/FR2172735A5/fr not_active Expired
- 1973-02-19 GB GB807373A patent/GB1425368A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1425368A (en) | 1976-02-18 |
| CH573285A5 (fr) | 1976-03-15 |
| IT979147B (it) | 1974-09-30 |
| FR2172735A5 (fr) | 1973-09-28 |
| US3828480A (en) | 1974-08-13 |