CH603920A5 - - Google Patents

Info

Publication number
CH603920A5
CH603920A5 CH336777A CH336777A CH603920A5 CH 603920 A5 CH603920 A5 CH 603920A5 CH 336777 A CH336777 A CH 336777A CH 336777 A CH336777 A CH 336777A CH 603920 A5 CH603920 A5 CH 603920A5
Authority
CH
Switzerland
Application number
CH336777A
Inventor
Paul Schmidt
Original Assignee
Paul Schmidt
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 by Paul Schmidt filed Critical Paul Schmidt
Publication of CH603920A5 publication Critical patent/CH603920A5/xx

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
CH336777A 1976-03-19 1977-03-17 CH603920A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2611678A DE2611678C3 (de) 1976-03-19 1976-03-19 Vorrichtung zum Einbringen eines Nachziehrohres in den Boden

Publications (1)

Publication Number Publication Date
CH603920A5 true CH603920A5 (ja) 1978-08-31

Family

ID=5972927

Family Applications (1)

Application Number Title Priority Date Filing Date
CH336777A CH603920A5 (ja) 1976-03-19 1977-03-17

Country Status (6)

Country Link
JP (1) JPS52116605A (ja)
CH (1) CH603920A5 (ja)
DE (1) DE2611678C3 (ja)
FR (1) FR2344682A1 (ja)
GB (1) GB1530865A (ja)
SE (1) SE7703044L (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8605009D0 (en) * 1986-02-28 1986-04-09 Roxbury Ltd Soil displacement tools
US7226246B2 (en) 2000-06-15 2007-06-05 Geotechnical Reinforcement, Inc. Apparatus and method for building support piers from one or successive lifts formed in a soil matrix
US9169611B2 (en) 2000-06-15 2015-10-27 Geopier Foundation Company, Inc. Method and apparatus for building support piers from one or more successive lifts formed in a soil matrix

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE426432C (de) * 1924-06-17 1926-03-11 Westdeutsche Tiefbohrgesellsch Rueckschlagausschalter fuer Spuelbohrungen
FR868631A (fr) * 1938-09-29 1942-01-09 Bosch Gmbh Robert Porte-outil pour appareil à percussion
FR1090212A (fr) * 1953-11-04 1955-03-29 Kango Electric Hammers Ltd Outil à percussion commandé mécaniquement
FR1178503A (fr) * 1957-07-10 1959-05-12 Procédé et dispositif d'exécution de travaux de terrassement au moyen de vibreursinternes
US3309877A (en) * 1960-09-07 1967-03-21 Degen Wilhelm Vibrator for compacting soil
SU301098A1 (ru) * 1970-01-19 1976-10-25 Институт Горного Дела Со Ан Ссср Пневматическое устройство ударного действи дл образовани скважины в грунте

Also Published As

Publication number Publication date
JPS52116605A (en) 1977-09-30
FR2344682A1 (fr) 1977-10-14
DE2611678C3 (de) 1978-08-31
DE2611678B2 (de) 1978-01-05
DE2611678A1 (de) 1977-09-22
SE7703044L (sv) 1977-09-20
GB1530865A (en) 1978-11-01

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Legal Events

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PL Patent ceased