FR875242A - Busette de captage des poussières, applicable en particulier aux perforateurs - Google Patents

Busette de captage des poussières, applicable en particulier aux perforateurs

Info

Publication number
FR875242A
FR875242A FR875242DA FR875242A FR 875242 A FR875242 A FR 875242A FR 875242D A FR875242D A FR 875242DA FR 875242 A FR875242 A FR 875242A
Authority
FR
France
Prior art keywords
perforators
dust collection
particularly applicable
collection nozzle
nozzle
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)
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.)
CIE DES MINES D ANZIN
Original Assignee
CIE DES MINES D ANZIN
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 CIE DES MINES D ANZIN filed Critical CIE DES MINES D ANZIN
Application granted granted Critical
Publication of FR875242A publication Critical patent/FR875242A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust

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)
FR875242D 1941-05-12 1941-05-12 Busette de captage des poussières, applicable en particulier aux perforateurs Expired FR875242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR875242T 1941-05-12

Publications (1)

Publication Number Publication Date
FR875242A true FR875242A (fr) 1942-09-11

Family

ID=9360090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875242D Expired FR875242A (fr) 1941-05-12 1941-05-12 Busette de captage des poussières, applicable en particulier aux perforateurs

Country Status (1)

Country Link
FR (1) FR875242A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014048B (de) * 1954-08-03 1957-08-22 Konrad Grebe Verfahren zur Gewinnung von Kohle oder anderen Mineralien durch Abdruecken mittels Druckwasser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014048B (de) * 1954-08-03 1957-08-22 Konrad Grebe Verfahren zur Gewinnung von Kohle oder anderen Mineralien durch Abdruecken mittels Druckwasser

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