AU500559B2 - A percussion drill bit - Google Patents

A percussion drill bit

Info

Publication number
AU500559B2
AU500559B2 AU12671/76A AU1267176A AU500559B2 AU 500559 B2 AU500559 B2 AU 500559B2 AU 12671/76 A AU12671/76 A AU 12671/76A AU 1267176 A AU1267176 A AU 1267176A AU 500559 B2 AU500559 B2 AU 500559B2
Authority
AU
Australia
Prior art keywords
drill bit
percussion drill
percussion
bit
drill
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
AU12671/76A
Other versions
AU1267176A (en
Inventor
H. Po. Wiredal Ha Lundstrom
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
Priority to AU12671/76A priority Critical patent/AU500559B2/en
Publication of AU1267176A publication Critical patent/AU1267176A/en
Application granted granted Critical
Publication of AU500559B2 publication Critical patent/AU500559B2/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
AU12671/76A 1976-04-05 1976-04-05 A percussion drill bit Expired AU500559B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12671/76A AU500559B2 (en) 1976-04-05 1976-04-05 A percussion drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU12671/76A AU500559B2 (en) 1976-04-05 1976-04-05 A percussion drill bit

Publications (2)

Publication Number Publication Date
AU1267176A AU1267176A (en) 1977-10-13
AU500559B2 true AU500559B2 (en) 1979-05-24

Family

ID=3703146

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12671/76A Expired AU500559B2 (en) 1976-04-05 1976-04-05 A percussion drill bit

Country Status (1)

Country Link
AU (1) AU500559B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375735B (en) * 1982-12-17 1984-09-10 Ver Edelstahlwerke Ag ANCHOR DRILLING AND SETTING DEVICE, ESPECIALLY FOR MINING

Also Published As

Publication number Publication date
AU1267176A (en) 1977-10-13

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