FR1207750A - Improvements to processes and machines for cutting and sharpening bits - Google Patents
Improvements to processes and machines for cutting and sharpening bitsInfo
- Publication number
- FR1207750A FR1207750A FR1207750DA FR1207750A FR 1207750 A FR1207750 A FR 1207750A FR 1207750D A FR1207750D A FR 1207750DA FR 1207750 A FR1207750 A FR 1207750A
- Authority
- FR
- France
- Prior art keywords
- machines
- cutting
- processes
- sharpening
- bits
- 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 |
---|---|---|---|
US1207750XA | 1957-09-20 | 1957-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1207750A true FR1207750A (en) | 1960-02-18 |
Family
ID=22392470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1207750D Expired FR1207750A (en) | 1957-09-20 | 1958-07-09 | Improvements to processes and machines for cutting and sharpening bits |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1207750A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1577301A1 (en) * | 1966-08-03 | 1970-07-23 | Braum H Normann | Machine for the production of spiral or straight fluted workpieces by grinding |
-
1958
- 1958-07-09 FR FR1207750D patent/FR1207750A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1577301A1 (en) * | 1966-08-03 | 1970-07-23 | Braum H Normann | Machine for the production of spiral or straight fluted workpieces by grinding |
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