FR625459A - Drill bit for cylinders - Google Patents
Drill bit for cylindersInfo
- Publication number
- FR625459A FR625459A FR625459DA FR625459A FR 625459 A FR625459 A FR 625459A FR 625459D A FR625459D A FR 625459DA FR 625459 A FR625459 A FR 625459A
- Authority
- FR
- France
- Prior art keywords
- cylinders
- drill bit
- drill
- bit
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR625459T | 1926-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR625459A true FR625459A (en) | 1927-08-11 |
Family
ID=8987736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR625459D Expired FR625459A (en) | 1926-11-06 | 1926-11-06 | Drill bit for cylinders |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR625459A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2832238A (en) * | 1950-09-29 | 1958-04-29 | Harry F Brinker | Method of making a core drill and the like |
DE3003697A1 (en) * | 1980-02-01 | 1981-08-06 | Gebrüder Heller GmbH Werkzeugfabrik, 2807 Achim | Cutting tool for rock drill - has hollow shaft for extraction of cut material during drilling, and rear gripped by jaws |
-
1926
- 1926-11-06 FR FR625459D patent/FR625459A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2832238A (en) * | 1950-09-29 | 1958-04-29 | Harry F Brinker | Method of making a core drill and the like |
DE3003697A1 (en) * | 1980-02-01 | 1981-08-06 | Gebrüder Heller GmbH Werkzeugfabrik, 2807 Achim | Cutting tool for rock drill - has hollow shaft for extraction of cut material during drilling, and rear gripped by jaws |
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