NL6909015A - - Google Patents
Info
- Publication number
- NL6909015A NL6909015A NL6909015A NL6909015A NL6909015A NL 6909015 A NL6909015 A NL 6909015A NL 6909015 A NL6909015 A NL 6909015A NL 6909015 A NL6909015 A NL 6909015A NL 6909015 A NL6909015 A NL 6909015A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- 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
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/75—Stone, rock or concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2240/00—Details of connections of tools or workpieces
- B23B2240/08—Brazed connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/70—Drills with vibration suppressing means
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681752645 DE1752645A1 (en) | 1968-06-27 | 1968-06-27 | Hollow drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6909015A true NL6909015A (en) | 1969-12-30 |
Family
ID=5692884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6909015A NL6909015A (en) | 1968-06-27 | 1969-06-13 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT295829B (en) |
| BE (1) | BE735246A (en) |
| CH (1) | CH519093A (en) |
| DE (1) | DE1752645A1 (en) |
| FR (1) | FR2014332A1 (en) |
| GB (1) | GB1236124A (en) |
| LU (1) | LU58966A1 (en) |
| NL (1) | NL6909015A (en) |
| SE (1) | SE354096B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1226352B (en) * | 1959-02-28 | 1966-10-06 | Karl Moertl | Revolving tine drum for feed loader |
| DK56178A (en) * | 1978-02-07 | 1979-08-08 | M B Nielsen | METHOD AND TOOLS FOR USE WHEN DRILLING A HOLE IN REINFORCED CONCRETE |
| FR2447783A1 (en) * | 1979-02-02 | 1980-08-29 | Hawera Probst Gmbh | Rock drill for impact drilling - has shank carrying hardened metal drilling head with circular end face carrying pyramidal or frusto-pyramidal cutters |
| DE4242909C2 (en) * | 1992-12-18 | 2002-10-24 | Hilti Ag | Hollow core bit with cutting edges |
| DE4301191A1 (en) * | 1993-01-19 | 1994-07-21 | Hawera Probst Kg Hartmetall | Rock drilling tool |
| DE10225070A1 (en) * | 2002-06-06 | 2004-01-15 | Hilti Ag | Core drill bit with geometrically defined cutting elements |
-
1968
- 1968-06-27 DE DE19681752645 patent/DE1752645A1/en active Pending
-
1969
- 1969-06-06 CH CH886069A patent/CH519093A/en not_active IP Right Cessation
- 1969-06-12 AT AT556369A patent/AT295829B/en not_active IP Right Cessation
- 1969-06-13 NL NL6909015A patent/NL6909015A/xx unknown
- 1969-06-18 SE SE08680/69A patent/SE354096B/xx unknown
- 1969-06-26 GB GB32284/69A patent/GB1236124A/en not_active Expired
- 1969-06-26 LU LU58966D patent/LU58966A1/xx unknown
- 1969-06-27 FR FR6921730A patent/FR2014332A1/fr not_active Withdrawn
- 1969-06-27 BE BE735246D patent/BE735246A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT295829B (en) | 1972-01-25 |
| DE1752645A1 (en) | 1971-06-03 |
| FR2014332A1 (en) | 1970-04-17 |
| BE735246A (en) | 1969-12-01 |
| CH519093A (en) | 1972-02-15 |
| SE354096B (en) | 1973-02-26 |
| LU58966A1 (en) | 1969-11-11 |
| GB1236124A (en) | 1971-06-23 |