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
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/en
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)

Abstract

1,229,766. Drill rod couplings. DELMAGVERWALTUNGS-G.m.b.H., [trading as DELMAG - MASCHINENFABRIK REINHOLD DORNFELD]. 11 Feb., 1970 [28 Feb., 1969], No. 6684/70. Heading F2U. A coupling for a drill rod 8 provided with drive ribs 7 comprises a pinion-driven flanged member 3 with interrupted circumferential grooves 6 in which elastic locking elements detachably secure expendable bearing caps 10 and longitudinal bearing strips 11 which drivingly engage the drill ribs 7.
GB1229766D 1969-02-28 1970-02-11 Expired GB1229766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691910360 DE1910360C (en) 1969-02-28 Driver for boring bars

Publications (1)

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

Family

ID=5726746

Family Applications (1)

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

Country Status (3)

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

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

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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