BE525514A - - Google Patents

Info

Publication number: BE525514A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1953-01-08

Publication of BE525514A publication Critical patent/BE525514A/xx

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
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

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)
Percussive Tools And Related Accessories (AREA)

BE525514D 1953-01-08 BE525514A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE747783X		1953-01-08

Publications (1)

Publication Number	Publication Date
BE525514A true BE525514A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=6648702

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE525514D BE525514A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1953-01-08

Country Status (2)

Country	Link
BE (1)	BE525514A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB747783A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- BE BE525514D patent/BE525514A/xx unknown
1954
- 1954-01-08 GB GB644/54A patent/GB747783A/en not_active Expired

Also Published As

Publication number	Publication date
GB747783A (en)	1956-04-11

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