BE756124R - Mecanisme elargisseur de galeries applicable aux machines - Google Patents

Mecanisme elargisseur de galeries applicable aux machines

Info

Publication number
BE756124R
BE756124R BE756124DA BE756124R BE 756124 R BE756124 R BE 756124R BE 756124D A BE756124D A BE 756124DA BE 756124 R BE756124 R BE 756124R
Authority
BE
Belgium
Prior art keywords
gallery
machines
mechanism applicable
enlargement mechanism
enlargement
Prior art date
Application number
Other languages
English (en)
Original Assignee
Agroman Constr
Rodriguez Jose M
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.)
Publication date
Application granted granted Critical
Publication of BE756124R publication Critical patent/BE756124R/fr

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
    • E21B7/001—Drilling a non circular hole

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)
  • Earth Drilling (AREA)
BE756124D 1969-10-30 Mecanisme elargisseur de galeries applicable aux machines BE756124R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES373045A ES373045A2 (es) 1969-10-30 1969-10-30 Mecanismo ensanchador de galerias aplicable a maquinas per-foradoras.

Publications (1)

Publication Number Publication Date
BE756124R true BE756124R (fr) 1971-02-15

Family

ID=8454200

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756124D BE756124R (fr) 1969-10-30 Mecanisme elargisseur de galeries applicable aux machines

Country Status (4)

Country Link
BE (1) BE756124R (fr)
DE (1) DE2038648A1 (fr)
ES (1) ES373045A2 (fr)
FR (1) FR2065821A6 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113250610B (zh) * 2021-06-07 2022-11-08 山东科技大学 一种螺旋推进式地下勘探小车

Also Published As

Publication number Publication date
ES373045A2 (es) 1971-11-16
DE2038648A1 (de) 1971-05-06
FR2065821A6 (fr) 1971-08-06

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