GB670538A - Improvements in power operated twist drills - Google Patents
Improvements in power operated twist drillsInfo
- Publication number
- GB670538A GB670538A GB2128549A GB2128549A GB670538A GB 670538 A GB670538 A GB 670538A GB 2128549 A GB2128549 A GB 2128549A GB 2128549 A GB2128549 A GB 2128549A GB 670538 A GB670538 A GB 670538A
- Authority
- GB
- United Kingdom
- Prior art keywords
- power operated
- twist drills
- operated twist
- drills
- power
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2128549A GB670538A (en) | 1949-08-16 | 1949-08-16 | Improvements in power operated twist drills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2128549A GB670538A (en) | 1949-08-16 | 1949-08-16 | Improvements in power operated twist drills |
Publications (1)
Publication Number | Publication Date |
---|---|
GB670538A true GB670538A (en) | 1952-04-23 |
Family
ID=10160310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2128549A Expired GB670538A (en) | 1949-08-16 | 1949-08-16 | Improvements in power operated twist drills |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB670538A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2964691A1 (en) * | 2010-09-13 | 2012-03-16 | Montabert Roger | HYDRAULIC ROTOPERCUTANT APPARATUS FOR PERFORATING MINE HOLES |
-
1949
- 1949-08-16 GB GB2128549A patent/GB670538A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2964691A1 (en) * | 2010-09-13 | 2012-03-16 | Montabert Roger | HYDRAULIC ROTOPERCUTANT APPARATUS FOR PERFORATING MINE HOLES |
CN102400643A (en) * | 2010-09-13 | 2012-04-04 | 蒙塔博特公司 | Hydraulic Rotary Punching Device For Perforation |
WO2012089949A1 (en) | 2010-09-13 | 2012-07-05 | Montabert | Hydraulic rotary percussion apparatus for boring mine holes |
US9194182B2 (en) | 2010-09-13 | 2015-11-24 | Montabert | Hydraulic rotary percussive device intended to drill boreholes |
CN102400643B (en) * | 2010-09-13 | 2015-11-25 | 蒙塔博特公司 | For the hydraulic rotating impact device of holing |
AU2011351026B2 (en) * | 2010-09-13 | 2016-05-12 | Montabert | Hydraulic rotary percussion apparatus for boring mine holes |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB679525A (en) | Chuck | |
GB670538A (en) | Improvements in power operated twist drills | |
GB661730A (en) | Improvements in door handles | |
GB667686A (en) | Improvements in locks | |
GB678167A (en) | Improvements in locks | |
CA461692A (en) | Twist drill | |
AU145580B2 (en) | Improvements in and relating to percussive tools | |
CA456009A (en) | Hand power line | |
AU152769B1 (en) | Improvements in hospital appliances | |
GB662544A (en) | Improvements in padlocks | |
CA458163A (en) | Power tool | |
AU141572B2 (en) | Improvements in saws | |
AU3064549A (en) | Improvements in and relating to percussive tools | |
GB657761A (en) | Improvements in electrically operated hydraulic power units | |
AU141556B2 (en) | Improvements in record-actuated photo-composing machine | |
GB678123A (en) | Improvements in cylinder safety-locks | |
GB669193A (en) | Improvements in locks | |
CA461980A (en) | Portable power saw | |
AU2999549A (en) | Improvements in saws | |
AU150758B2 (en) | Improvements in or relating to drill bits | |
AU141566B2 (en) | Improvements in mining machines | |
AU142597B2 (en) | Improvements in mining machines | |
AU140763B2 (en) | Improvements in furnaces | |
AU141298B2 (en) | Improvements in lookingglass | |
AU146646B2 (en) | Improvements in portable power tools |