CH250713A - Method of sharpening twist drills. - Google Patents
Method of sharpening twist drills.Info
- Publication number
- CH250713A CH250713A CH250713DA CH250713A CH 250713 A CH250713 A CH 250713A CH 250713D A CH250713D A CH 250713DA CH 250713 A CH250713 A CH 250713A
- Authority
- CH
- Switzerland
- Prior art keywords
- twist drills
- sharpening twist
- sharpening
- drills
- twist
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH250713T | 1945-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH250713A true CH250713A (en) | 1947-09-15 |
Family
ID=4468370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH250713D CH250713A (en) | 1945-11-16 | 1945-11-16 | Method of sharpening twist drills. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH250713A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037329A (en) * | 1957-09-20 | 1962-06-05 | Cincinnati Milling Machine Co | Method and apparatus for grinding drills |
DE3028960A1 (en) * | 1979-09-06 | 1981-03-12 | Megomat AG, Rüschlikon | DRILL GRINDING MACHINE. |
EP0249104A1 (en) * | 1986-06-07 | 1987-12-16 | Hertel Aktiengesellschaft Werkzeuge + Hartstoffe | Method of grinding a twist drill |
-
1945
- 1945-11-16 CH CH250713D patent/CH250713A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037329A (en) * | 1957-09-20 | 1962-06-05 | Cincinnati Milling Machine Co | Method and apparatus for grinding drills |
DE3028960A1 (en) * | 1979-09-06 | 1981-03-12 | Megomat AG, Rüschlikon | DRILL GRINDING MACHINE. |
EP0249104A1 (en) * | 1986-06-07 | 1987-12-16 | Hertel Aktiengesellschaft Werkzeuge + Hartstoffe | Method of grinding a twist drill |
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