DE2041911C3 - Rohrschelle für Mantelrohre, Grundpfähle od.dgl - Google Patents

Rohrschelle für Mantelrohre, Grundpfähle od.dgl

Info

Publication number
DE2041911C3
DE2041911C3 DE2041911A DE2041911A DE2041911C3 DE 2041911 C3 DE2041911 C3 DE 2041911C3 DE 2041911 A DE2041911 A DE 2041911A DE 2041911 A DE2041911 A DE 2041911A DE 2041911 C3 DE2041911 C3 DE 2041911C3
Authority
DE
Germany
Prior art keywords
pipe clamp
chains
fork
joints
chain
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
DE2041911A
Other languages
German (de)
English (en)
Other versions
DE2041911B2 (de
DE2041911A1 (de
Inventor
Pierre Jean-Marie Theodore Le Havre Allard (Frankreich)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from FR6931009A external-priority patent/FR2058512A5/fr
Priority claimed from FR7002958A external-priority patent/FR2076783A6/fr
Application filed by Individual filed Critical Individual
Publication of DE2041911A1 publication Critical patent/DE2041911A1/de
Publication of DE2041911B2 publication Critical patent/DE2041911B2/de
Application granted granted Critical
Publication of DE2041911C3 publication Critical patent/DE2041911C3/de
Expired legal-status Critical Current

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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool

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)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
DE2041911A 1969-09-11 1970-08-24 Rohrschelle für Mantelrohre, Grundpfähle od.dgl Expired DE2041911C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR6931009A FR2058512A5 (enExample) 1969-09-11 1969-09-11
FR7002958A FR2076783A6 (enExample) 1970-01-28 1970-01-28

Publications (3)

Publication Number Publication Date
DE2041911A1 DE2041911A1 (de) 1971-03-25
DE2041911B2 DE2041911B2 (de) 1973-06-20
DE2041911C3 true DE2041911C3 (de) 1974-01-17

Family

ID=26215262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2041911A Expired DE2041911C3 (de) 1969-09-11 1970-08-24 Rohrschelle für Mantelrohre, Grundpfähle od.dgl

Country Status (8)

Country Link
US (1) US3666026A (enExample)
BE (1) BE755680A (enExample)
CH (1) CH519634A (enExample)
DE (1) DE2041911C3 (enExample)
GB (1) GB1293438A (enExample)
LU (1) LU61665A1 (enExample)
NL (1) NL7013444A (enExample)
SU (1) SU504510A3 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891037A (en) * 1972-12-26 1975-06-24 Dale E Well Remotely operated seafloor coring and drilling method and system
US4057887A (en) * 1974-05-06 1977-11-15 Cameron Iron Works, Inc. Pipe disconnecting apparatus
US4077481A (en) * 1976-07-12 1978-03-07 Fmc Corporation Subterranean mining apparatus
IT1190999B (it) * 1982-09-13 1988-02-24 Else Edilizia Lavori Sottosuol Procedimento atto a migliorare l'esecuzione di perforazioni mediante l'inserimento di utensili nel terreno e relativa apparecchiatura

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US530547A (en) * 1894-12-11 Chain pipe-wrench
US2706423A (en) * 1950-05-22 1955-04-19 Clarence W Rose Tool holder
US3023649A (en) * 1960-08-08 1962-03-06 Lawrence A Wallace Tool holder
US3467203A (en) * 1967-06-29 1969-09-16 Alf R Johnson Apparatus for sinking casings in the construction of caissons

Also Published As

Publication number Publication date
CH519634A (fr) 1972-02-29
LU61665A1 (enExample) 1970-12-08
DE2041911B2 (de) 1973-06-20
US3666026A (en) 1972-05-30
SU504510A3 (ru) 1976-02-25
GB1293438A (en) 1972-10-18
DE2041911A1 (de) 1971-03-25
NL7013444A (enExample) 1971-03-15
BE755680A (fr) 1971-02-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee