NL7018994A - - Google Patents
Info
- Publication number
- NL7018994A NL7018994A NL7018994A NL7018994A NL7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A NL 7018994 A NL7018994 A NL 7018994A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- 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
- B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691965606 DE1965606A1 (de) | 1969-12-30 | 1969-12-30 | Gesteinsbohrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7018994A true NL7018994A (de) | 1971-07-02 |
Family
ID=5755324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7018994A NL7018994A (de) | 1969-12-30 | 1970-12-30 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH520262A (de) |
| DE (1) | DE1965606A1 (de) |
| FR (1) | FR2074491A5 (de) |
| GB (1) | GB1338586A (de) |
| NL (1) | NL7018994A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3131794C2 (de) * | 1980-08-29 | 1986-08-07 | Toshiaki Osaka Hosoi | Bohrer |
| US5172775A (en) * | 1991-03-06 | 1992-12-22 | Kennametal Inc. | Rotary drill bit insert |
| DE4239311C2 (de) * | 1992-11-23 | 1996-04-18 | Guehring Joerg Dr | Bohrer, insbesondere Spitzbohrwerkzeug mit austauschbarem Schneideinsatz |
| DE4407119A1 (de) * | 1993-12-11 | 1995-06-14 | Hawera Probst Kg Hartmetall | Gesteinsbohrer |
| DE102006049088A1 (de) * | 2006-10-13 | 2008-04-24 | Kennametal Inc. | Modulares Bohrwerkzeug und Verfahren zu seiner Herstellung |
| DE102007020051B4 (de) * | 2007-04-27 | 2013-11-21 | Irwin Industrial Tool Company | Hartmetallplatte für Gesteinsbohrer und Gesteinsbohrer |
| US7900721B2 (en) | 2008-11-03 | 2011-03-08 | Irwin Industrial Tool Company | Hard metal plate for rock drill and rock drill |
-
1969
- 1969-12-30 DE DE19691965606 patent/DE1965606A1/de active Pending
-
1970
- 1970-12-16 CH CH1855170A patent/CH520262A/de not_active IP Right Cessation
- 1970-12-29 GB GB6142370A patent/GB1338586A/en not_active Expired
- 1970-12-30 NL NL7018994A patent/NL7018994A/xx unknown
- 1970-12-30 FR FR7047403A patent/FR2074491A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1338586A (en) | 1973-11-28 |
| FR2074491A5 (de) | 1971-10-01 |
| CH520262A (de) | 1972-03-15 |
| DE1965606A1 (de) | 1971-07-15 |