FR922108A - Twist drill sharpening improvements - Google Patents
Twist drill sharpening improvementsInfo
- Publication number
- FR922108A FR922108A FR922108DA FR922108A FR 922108 A FR922108 A FR 922108A FR 922108D A FR922108D A FR 922108DA FR 922108 A FR922108 A FR 922108A
- Authority
- FR
- France
- Prior art keywords
- twist drill
- drill sharpening
- sharpening
- twist
- sharpening improvements
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR922108T | 1945-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR922108A true FR922108A (en) | 1947-05-30 |
Family
ID=9437775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR922108D Expired FR922108A (en) | 1945-12-14 | 1945-12-14 | Twist drill sharpening improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR922108A (en) |
-
1945
- 1945-12-14 FR FR922108D patent/FR922108A/en not_active Expired
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