FR2112644A5 - - Google Patents

Info

Publication number
FR2112644A5
FR2112644A5 FR7039655A FR7039655A FR2112644A5 FR 2112644 A5 FR2112644 A5 FR 2112644A5 FR 7039655 A FR7039655 A FR 7039655A FR 7039655 A FR7039655 A FR 7039655A FR 2112644 A5 FR2112644 A5 FR 2112644A5
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
FR7039655A
Other languages
French (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.)
Lincoln Electric Company France SA
Original Assignee
La Soudure Autogene Francaise
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 La Soudure Autogene Francaise filed Critical La Soudure Autogene Francaise
Priority to FR7039655A priority Critical patent/FR2112644A5/fr
Application granted granted Critical
Publication of FR2112644A5 publication Critical patent/FR2112644A5/fr
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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame drilling
    • E21B7/146—Thermal lances

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
FR7039655A 1970-11-04 1970-11-04 Expired FR2112644A5 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7039655A FR2112644A5 (OSRAM) 1970-11-04 1970-11-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7039655A FR2112644A5 (OSRAM) 1970-11-04 1970-11-04

Publications (1)

Publication Number Publication Date
FR2112644A5 true FR2112644A5 (OSRAM) 1972-06-23

Family

ID=9063726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7039655A Expired FR2112644A5 (OSRAM) 1970-11-04 1970-11-04

Country Status (1)

Country Link
FR (1) FR2112644A5 (OSRAM)

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Legal Events

Date Code Title Description
ST Notification of lapse