GB135199A - Improvements in and relating to expansion drills for boring earth and other material - Google Patents
Improvements in and relating to expansion drills for boring earth and other materialInfo
- Publication number
- GB135199A GB135199A GB2809119A GB2809119A GB135199A GB 135199 A GB135199 A GB 135199A GB 2809119 A GB2809119 A GB 2809119A GB 2809119 A GB2809119 A GB 2809119A GB 135199 A GB135199 A GB 135199A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cutters
- mandrel
- bore
- jaws
- 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
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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
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)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US505941XA | 1918-11-12 | 1918-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB135199A true GB135199A (en) | 1921-01-13 |
Family
ID=21966164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2809119A Expired GB135199A (en) | 1918-11-12 | 1919-11-12 | Improvements in and relating to expansion drills for boring earth and other material |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR505941A (fr) |
GB (1) | GB135199A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4006298A1 (fr) * | 2020-11-27 | 2022-06-01 | Zipp Industries GmbH & Co. KG | Dispositif de forage |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT354960B (de) * | 1978-04-06 | 1980-02-11 | Panzer Ferdinand | Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein |
-
1919
- 1919-11-11 FR FR505941A patent/FR505941A/fr not_active Expired
- 1919-11-12 GB GB2809119A patent/GB135199A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4006298A1 (fr) * | 2020-11-27 | 2022-06-01 | Zipp Industries GmbH & Co. KG | Dispositif de forage |
Also Published As
Publication number | Publication date |
---|---|
FR505941A (fr) | 1920-08-10 |
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