FR1004216A - Collier de fixation - Google Patents

Collier de fixation

Info

Publication number
FR1004216A
FR1004216A FR1004216DA FR1004216A FR 1004216 A FR1004216 A FR 1004216A FR 1004216D A FR1004216D A FR 1004216DA FR 1004216 A FR1004216 A FR 1004216A
Authority
FR
France
Prior art keywords
fixing collar
collar
fixing
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
Other languages
English (en)
Inventor
Francois Pot
Georges Courand
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Application granted granted Critical
Publication of FR1004216A publication Critical patent/FR1004216A/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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground

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)
FR1004216D 1947-03-20 1947-03-20 Collier de fixation Expired FR1004216A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004216T 1947-03-20

Publications (1)

Publication Number Publication Date
FR1004216A true FR1004216A (fr) 1952-03-27

Family

ID=9563641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004216D Expired FR1004216A (fr) 1947-03-20 1947-03-20 Collier de fixation

Country Status (1)

Country Link
FR (1) FR1004216A (fr)

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