GB1229766A - - Google Patents

Info

Publication number
GB1229766A
GB1229766A GB1229766DA GB1229766A GB 1229766 A GB1229766 A GB 1229766A GB 1229766D A GB1229766D A GB 1229766DA GB 1229766 A GB1229766 A GB 1229766A
Authority
GB
United Kingdom
Prior art keywords
feb
drill rod
ribs
drill
delmagverwaltungs
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
English (en)
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 DE19691910360 external-priority patent/DE1910360C/de
Application filed filed Critical
Publication of GB1229766A publication Critical patent/GB1229766A/en
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
    • E21B3/04—Rotary tables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
    • Y10S464/901—Rapid attachment or release

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)
  • Portable Nailing Machines And Staplers (AREA)
GB1229766D 1969-02-28 1970-02-11 Expired GB1229766A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691910360 DE1910360C (de) 1969-02-28 Mitnehmer für Bohrstangen

Publications (1)

Publication Number Publication Date
GB1229766A true GB1229766A (enrdf_load_stackoverflow) 1971-04-28

Family

ID=5726746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229766D Expired GB1229766A (enrdf_load_stackoverflow) 1969-02-28 1970-02-11

Country Status (3)

Country Link
US (1) US3599445A (enrdf_load_stackoverflow)
FR (1) FR2032486B1 (enrdf_load_stackoverflow)
GB (1) GB1229766A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246656A (en) * 1992-07-20 1993-09-21 Progressive Dynamics, Inc. Method for forming air flow control orifice in an inflated blanket

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859939A (en) * 1957-03-06 1958-11-11 Reserve Mining Co Rotary drive bushing
US3128614A (en) * 1961-10-27 1964-04-14 Grant Oil Tool Company Drilling head

Also Published As

Publication number Publication date
DE1910360B2 (de) 1971-03-11
DE1910360A1 (de) 1970-12-03
US3599445A (en) 1971-08-17
FR2032486A1 (enrdf_load_stackoverflow) 1970-11-27
FR2032486B1 (enrdf_load_stackoverflow) 1973-07-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee