GB1120388A - An extension rod for a percussion drill - Google Patents

An extension rod for a percussion drill

Info

Publication number
GB1120388A
GB1120388A GB3061866A GB3061866A GB1120388A GB 1120388 A GB1120388 A GB 1120388A GB 3061866 A GB3061866 A GB 3061866A GB 3061866 A GB3061866 A GB 3061866A GB 1120388 A GB1120388 A GB 1120388A
Authority
GB
United Kingdom
Prior art keywords
extension rod
rod
percussion drill
thread
july
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
GB3061866A
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.)
Sandvik AB
Original Assignee
Sandvik AB
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 Sandvik AB filed Critical Sandvik AB
Publication of GB1120388A publication Critical patent/GB1120388A/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
    • 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

1,120,388. Percussive drills. SANDVIKENS JERNVERKS A.B. 7 July, 1966 [8 July, 1965], No. 30618/66. Heading B4C. An extension rod 10 for a percussive drill comprises, at one end, a sleeve portion 13 formed with an internal thread 14 and an abutment surface 16, the rod being provided at its other end, with a thread 15 (Fig. 2). The threads may be formed with two or more starts and have rounded flanks as shown or angled flanks such as a buttress thread. Flats 12 may be formed on the rod so that two or more rods can be screwed together.
GB3061866A 1965-07-08 1966-07-07 An extension rod for a percussion drill Expired GB1120388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE900965 1965-07-08

Publications (1)

Publication Number Publication Date
GB1120388A true GB1120388A (en) 1968-07-17

Family

ID=20275593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3061866A Expired GB1120388A (en) 1965-07-08 1966-07-07 An extension rod for a percussion drill

Country Status (7)

Country Link
AT (1) AT269777B (en)
BE (1) BE683860A (en)
CH (1) CH492116A (en)
DE (1) DE1483863A1 (en)
DK (1) DK113561B (en)
GB (1) GB1120388A (en)
NL (1) NL6609441A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2050922A3 (en) * 2007-10-16 2017-03-08 Foxley Ventures LLC Thread for roto-percussion drill pipe

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730286A (en) * 1972-06-29 1973-05-01 Exxon Production Research Co Apparatus for improving rotary drilling operations
CA1029365A (en) * 1975-03-03 1978-04-11 Lloyd B. Hansen Method and apparatus for roof drilling
GB9512250D0 (en) * 1995-06-16 1995-08-16 Boart Longyear Ltd A drill string
DE29614490U1 (en) * 1996-08-21 1996-11-21 Röhrenwerk Kupferdreh Carl Hamm GmbH, 45257 Essen Probing device, especially for the investigation of soil and contaminated sites

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2050922A3 (en) * 2007-10-16 2017-03-08 Foxley Ventures LLC Thread for roto-percussion drill pipe

Also Published As

Publication number Publication date
BE683860A (en) 1966-12-16
DK113561B (en) 1969-04-08
DE1483863A1 (en) 1970-03-05
NL6609441A (en) 1967-01-09
CH492116A (en) 1970-06-15
AT269777B (en) 1969-04-10

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