FR1006435A - Drilling machine - Google Patents

Drilling machine

Info

Publication number
FR1006435A
FR1006435A FR1006435DA FR1006435A FR 1006435 A FR1006435 A FR 1006435A FR 1006435D A FR1006435D A FR 1006435DA FR 1006435 A FR1006435 A FR 1006435A
Authority
FR
France
Prior art keywords
drilling machine
drilling
machine
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
French (fr)
Inventor
Paul Marcerou
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 filed Critical
Application granted granted Critical
Publication of FR1006435A publication Critical patent/FR1006435A/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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR1006435D 1948-01-14 1948-01-14 Drilling machine Expired FR1006435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1006435T 1948-01-14

Publications (1)

Publication Number Publication Date
FR1006435A true FR1006435A (en) 1952-04-23

Family

ID=10270787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1006435D Expired FR1006435A (en) 1948-01-14 1948-01-14 Drilling machine

Country Status (5)

Country Link
BE (1) BE482754A (en)
DE (1) DE892735C (en)
FR (1) FR1006435A (en)
GB (1) GB670816A (en)
NL (1) NL73850C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780452A (en) * 1952-03-27 1957-02-05 Sonapar Soc De Participation S Rock cutting machine having slot cutting and slot engaging guide means

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264367B (en) * 1966-04-22 1968-03-28 Gewerk Eisenhuette Westfalia Pre-coal device for driving from a pre-set route and / or a machine stall
CN110242293A (en) * 2019-06-21 2019-09-17 辽宁工程技术大学 A kind of rotary digging formula Coal cutter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE257965C (en) * 1912-04-22
DE600088C (en) * 1932-11-18 1934-07-14 Jakob Glaser Schraemmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780452A (en) * 1952-03-27 1957-02-05 Sonapar Soc De Participation S Rock cutting machine having slot cutting and slot engaging guide means

Also Published As

Publication number Publication date
GB670816A (en) 1952-04-23
BE482754A (en) 1948-06-15
DE892735C (en) 1953-10-08
NL73850C (en) 1953-04-15

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