FR838716A - Method and apparatus for driving tubes or tubular formwork into the ground and simultaneously extracting material to be cleared - Google Patents

Method and apparatus for driving tubes or tubular formwork into the ground and simultaneously extracting material to be cleared

Info

Publication number
FR838716A
FR838716A FR838716DA FR838716A FR 838716 A FR838716 A FR 838716A FR 838716D A FR838716D A FR 838716DA FR 838716 A FR838716 A FR 838716A
Authority
FR
France
Prior art keywords
cleared
ground
simultaneously extracting
extracting material
driving tubes
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
Application number
Other languages
French (fr)
Inventor
Gino Adriano Garzi
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR838716A publication Critical patent/FR838716A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
FR838716D 1938-07-13 1938-05-31 Method and apparatus for driving tubes or tubular formwork into the ground and simultaneously extracting material to be cleared Expired FR838716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT838716X 1938-07-13

Publications (1)

Publication Number Publication Date
FR838716A true FR838716A (en) 1939-03-14

Family

ID=11323889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838716D Expired FR838716A (en) 1938-07-13 1938-05-31 Method and apparatus for driving tubes or tubular formwork into the ground and simultaneously extracting material to be cleared

Country Status (1)

Country Link
FR (1) FR838716A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664269A (en) * 1949-05-03 1953-12-29 Elton G Knight Pneumatically-controlled soil sampler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664269A (en) * 1949-05-03 1953-12-29 Elton G Knight Pneumatically-controlled soil sampler

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