BR7104839D0 - Processo aperfeicoado para criar uma cavidade subterranea - Google Patents

Processo aperfeicoado para criar uma cavidade subterranea

Info

Publication number
BR7104839D0
BR7104839D0 BR4839/71A BR483971A BR7104839D0 BR 7104839 D0 BR7104839 D0 BR 7104839D0 BR 4839/71 A BR4839/71 A BR 4839/71A BR 483971 A BR483971 A BR 483971A BR 7104839 D0 BR7104839 D0 BR 7104839D0
Authority
BR
Brazil
Prior art keywords
create
underground cavity
perfect process
perfect
underground
Prior art date
Application number
BR4839/71A
Other languages
English (en)
Portuguese (pt)
Inventor
C Grant
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR7104839D0 publication Critical patent/BR7104839D0/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D13/00—Large underground chambers; Methods or apparatus for making them

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
BR4839/71A 1970-07-29 1971-07-29 Processo aperfeicoado para criar uma cavidade subterranea BR7104839D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5907670A 1970-07-29 1970-07-29

Publications (1)

Publication Number Publication Date
BR7104839D0 true BR7104839D0 (pt) 1973-03-29

Family

ID=22020702

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4839/71A BR7104839D0 (pt) 1970-07-29 1971-07-29 Processo aperfeicoado para criar uma cavidade subterranea

Country Status (5)

Country Link
AU (1) AU3172371A (enExample)
BR (1) BR7104839D0 (enExample)
FR (1) FR2099356A5 (enExample)
GB (1) GB1353626A (enExample)
ZA (1) ZA714816B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4405116A1 (de) * 1994-02-17 1995-08-24 Preussag Anlagenbau Tiefbauverfahren zur Erstellung von Baugruben

Also Published As

Publication number Publication date
FR2099356A5 (enExample) 1972-03-10
GB1353626A (en) 1974-05-22
ZA714816B (en) 1972-09-27
AU3172371A (en) 1973-02-01

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