NO124451B - - Google Patents

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Publication number
NO124451B
NO124451B NO440370A NO440370A NO124451B NO 124451 B NO124451 B NO 124451B NO 440370 A NO440370 A NO 440370A NO 440370 A NO440370 A NO 440370A NO 124451 B NO124451 B NO 124451B
Authority
NO
Norway
Prior art keywords
energy
charge
explosive
drilling
explosives
Prior art date
Application number
NO440370A
Other languages
English (en)
Norwegian (no)
Inventor
O Bergmann
D Coursen
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NO124451B publication Critical patent/NO124451B/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
NO440370A 1969-11-19 1970-11-18 NO124451B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87800569A 1969-11-19 1969-11-19

Publications (1)

Publication Number Publication Date
NO124451B true NO124451B (enrdf_load_stackoverflow) 1972-04-17

Family

ID=25371179

Family Applications (1)

Application Number Title Priority Date Filing Date
NO440370A NO124451B (enrdf_load_stackoverflow) 1969-11-19 1970-11-18

Country Status (5)

Country Link
CA (1) CA943812A (enrdf_load_stackoverflow)
CH (1) CH531160A (enrdf_load_stackoverflow)
FR (1) FR2082981A5 (enrdf_load_stackoverflow)
NO (1) NO124451B (enrdf_load_stackoverflow)
SE (1) SE359886B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
SE359886B (enrdf_load_stackoverflow) 1973-09-10
FR2082981A5 (enrdf_load_stackoverflow) 1971-12-10
CH531160A (fr) 1972-11-30
CA943812A (en) 1974-03-19

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