FR495289A - Machine à affuter les pointes de foret hélicoidaux - Google Patents
Machine à affuter les pointes de foret hélicoidauxInfo
- Publication number
- FR495289A FR495289A FR495289DA FR495289A FR 495289 A FR495289 A FR 495289A FR 495289D A FR495289D A FR 495289DA FR 495289 A FR495289 A FR 495289A
- Authority
- FR
- France
- Prior art keywords
- drill point
- twist drill
- sharpening machine
- point sharpening
- machine
- 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
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
- B24B3/28—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills by swivelling the drill around an axis angularly to the drill axis
- B24B3/30—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills by swivelling the drill around an axis angularly to the drill axis and rotating the drill about its own axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB495289X | 1918-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR495289A true FR495289A (fr) | 1919-10-03 |
Family
ID=1530853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR495289D Expired FR495289A (fr) | 1918-03-11 | 1919-01-30 | Machine à affuter les pointes de foret hélicoidaux |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR495289A (fr) |
-
1919
- 1919-01-30 FR FR495289D patent/FR495289A/fr not_active Expired
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