GB1144331A - Improvements in and relating to drills - Google Patents
Improvements in and relating to drillsInfo
- Publication number
- GB1144331A GB1144331A GB1100166A GB1100166A GB1144331A GB 1144331 A GB1144331 A GB 1144331A GB 1100166 A GB1100166 A GB 1100166A GB 1100166 A GB1100166 A GB 1100166A GB 1144331 A GB1144331 A GB 1144331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trough
- drills
- march
- rotary
- drill
- 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
- 239000000428 dust Substances 0.000 abstract 2
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
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 (1)
Publication Number | Publication Date |
---|---|
GB1144331A true GB1144331A (en) | 1969-03-05 |
Family
ID=7159043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1100166A Expired GB1144331A (en) | 1965-03-13 | 1966-03-14 | Improvements in and relating to drills |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT263594B (de) |
CH (1) | CH446240A (de) |
DE (1) | DE1291707B (de) |
GB (1) | GB1144331A (de) |
NL (1) | NL147357B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2735227C2 (de) * | 1977-08-04 | 1983-10-27 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Gesteinsbohrer |
DE2808885C2 (de) * | 1978-03-02 | 1986-11-20 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Drehschlagbohrer für Gestein und dergleichen |
CH626557A5 (de) * | 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 |
US5641028A (en) * | 1995-08-10 | 1997-06-24 | Black & Decker Inc. | Drill bit with debris conveying flute |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE291398C (de) * | ||||
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
Also Published As
Publication number | Publication date |
---|---|
NL147357B (nl) | 1975-10-15 |
NL6603310A (de) | 1966-09-14 |
CH446240A (de) | 1967-11-15 |
DE1291707B (de) | 1969-04-03 |
AT263594B (de) | 1968-07-25 |
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