BE409121A - - Google Patents
Info
- Publication number
- BE409121A BE409121A BE409121DA BE409121A BE 409121 A BE409121 A BE 409121A BE 409121D A BE409121D A BE 409121DA BE 409121 A BE409121 A BE 409121A
- Authority
- BE
- Belgium
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
- B23B51/0426—Drills for trepanning with centering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/20—Number of cutting edges
- B23B2251/204—Four cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/60—Drills with pilots
- B23B2251/603—Detachable pilots, e.g. in the form of a drill
- B23B2251/606—Detachable pilots, e.g. in the form of a drill being a twist drill
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1278035A GB434703A (en) | 1935-04-29 | 1935-04-29 | Improvements in or relating to twist drills and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE409121A true BE409121A (en]) | 1935-05-31 |
Family
ID=10010977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE409121D BE409121A (en]) | 1935-04-29 | 1935-04-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE409121A (en]) |
| FR (1) | FR789315A (en]) |
| GB (1) | GB434703A (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129400A (en) * | 1975-11-26 | 1978-12-12 | Wozar Tiberius | Trepanning tool |
| US4113405A (en) * | 1977-08-08 | 1978-09-12 | Dillinger Lester L | Apparatus for drilling or reaming |
| DE2838348C2 (de) * | 1978-09-02 | 1982-10-28 | Hans Gustav 7130 Mühlacker Neuhäuser | Vorrichtung zum Ausformen einer Knochenöffnung |
| DE4101678A1 (de) * | 1991-01-22 | 1992-07-23 | Manfred Rosenkranz | Kombiniertes bohr- und zentrierwerkzeug |
| DE9110056U1 (de) * | 1991-08-14 | 1991-11-07 | W + E Müller GmbH, 8531 Ipsheim | Vorrichtung zum Kronenbohren von dicken Kunststoffwandungen |
-
1935
- 1935-04-23 BE BE409121D patent/BE409121A/xx unknown
- 1935-04-27 FR FR789315D patent/FR789315A/fr not_active Expired
- 1935-04-29 GB GB1278035A patent/GB434703A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB434703A (en) | 1935-09-06 |
| FR789315A (fr) | 1935-10-26 |