FR2346110B1 - - Google Patents

Info

Publication number
FR2346110B1
FR2346110B1 FR7709699A FR7709699A FR2346110B1 FR 2346110 B1 FR2346110 B1 FR 2346110B1 FR 7709699 A FR7709699 A FR 7709699A FR 7709699 A FR7709699 A FR 7709699A FR 2346110 B1 FR2346110 B1 FR 2346110B1
Authority
FR
France
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
FR7709699A
Other languages
French (fr)
Other versions
FR2346110A1 (fr
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 FR2346110A1 publication Critical patent/FR2346110A1/fr
Application granted granted Critical
Publication of FR2346110B1 publication Critical patent/FR2346110B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits
    • 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
    • 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)
FR7709699A 1976-04-02 1977-03-31 Fleuret pour le forage par percussion Granted FR2346110A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA249,433A CA1038856A (en) 1976-04-02 1976-04-02 Percussion drill bit

Publications (2)

Publication Number Publication Date
FR2346110A1 FR2346110A1 (fr) 1977-10-28
FR2346110B1 true FR2346110B1 (de) 1981-11-20

Family

ID=4105622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7709699A Granted FR2346110A1 (fr) 1976-04-02 1977-03-31 Fleuret pour le forage par percussion

Country Status (4)

Country Link
CA (1) CA1038856A (de)
FI (1) FI770994A (de)
FR (1) FR2346110A1 (de)
NO (1) NO771177L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH670418A5 (de) * 1986-03-24 1989-06-15 Zepf Hans Rudolf
CN102635315B (zh) * 2012-04-27 2014-05-07 中国地质大学（武汉） 一种带修孔钻头的接头

Also Published As

Publication number Publication date
CA1038856A (en) 1978-09-19
NO771177L (no) 1977-10-04
FI770994A (de) 1977-10-03
FR2346110A1 (fr) 1977-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse