NL6603310A - - Google Patents
Info
- Publication number
- NL6603310A NL6603310A NL6603310A NL6603310A NL6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A NL 6603310 A NL6603310 A NL 6603310A
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (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 |
|---|---|---|---|
| DEH55459A DE1291707B (de) | 1965-03-13 | 1965-03-13 | Gesteinsbohrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6603310A true NL6603310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-14 |
| NL147357B NL147357B (nl) | 1975-10-15 |
Family
ID=7159043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6603310A NL147357B (nl) | 1965-03-13 | 1966-03-14 | Steenboor. |
Country Status (5)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4210215A (en) * | 1977-08-04 | 1980-07-01 | Hawera Probst Gmbh & Co. | Rock drill with helical dust conveying groove |
| US5641028A (en) * | 1995-08-10 | 1997-06-24 | Black & Decker Inc. | Drill bit with debris conveying flute |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808885C2 (de) * | 1978-03-02 | 1986-11-20 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Drehschlagbohrer für Gestein und dergleichen |
| CH626557A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-09-28 | 1981-11-30 | Guex Philippe & Fils Sa | |
| DE3834675A1 (de) * | 1988-10-12 | 1990-04-19 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
| US5040620A (en) * | 1990-10-11 | 1991-08-20 | Nunley Dwight S | Methods and apparatus for drilling subterranean wells |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE291398C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
| DE1819813U (de) * | 1960-01-22 | 1960-10-20 | Schmidt Kranz & Co Maschb G M | Bohrgestaenge. |
| DE1784215A1 (de) * | 1968-07-18 | 1971-07-29 | Fritz Feise Verwaltungs Gmbh | Fenster mit einem Metall- oder Kunststoffprofilrahmen |
-
1965
- 1965-03-13 DE DEH55459A patent/DE1291707B/de active Pending
-
1966
- 1966-03-10 AT AT225266A patent/AT263594B/de active
- 1966-03-12 CH CH360266A patent/CH446240A/de unknown
- 1966-03-14 NL NL6603310A patent/NL147357B/xx not_active IP Right Cessation
- 1966-03-14 GB GB1100166A patent/GB1144331A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4210215A (en) * | 1977-08-04 | 1980-07-01 | Hawera Probst Gmbh & Co. | Rock drill with helical dust conveying groove |
| US5641028A (en) * | 1995-08-10 | 1997-06-24 | Black & Decker Inc. | Drill bit with debris conveying flute |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1144331A (en) | 1969-03-05 |
| AT263594B (de) | 1968-07-25 |
| DE1291707B (de) | 1969-04-03 |
| NL147357B (nl) | 1975-10-15 |
| CH446240A (de) | 1967-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HAWERA |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |