CA943812A - Drill-and-blast process and module - Google Patents

Drill-and-blast process and module

Info

Publication number
CA943812A
CA943812A CA095,576A CA95576A CA943812A CA 943812 A CA943812 A CA 943812A CA 95576 A CA95576 A CA 95576A CA 943812 A CA943812 A CA 943812A
Authority
CA
Canada
Prior art keywords
drill
module
blast process
blast
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
CA095,576A
Other languages
English (en)
Other versions
CA95576S (en
Inventor
Oswald R. Bergmann
David L. Coursen
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA943812A publication Critical patent/CA943812A/en
Expired legal-status Critical Current

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)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
CA095,576A 1969-11-19 1970-10-14 Drill-and-blast process and module Expired CA943812A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA943812A true CA943812A (en) 1974-03-19

Family

ID=25371179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095,576A Expired CA943812A (en) 1969-11-19 1970-10-14 Drill-and-blast process and module

Country Status (5)

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

Also Published As

Publication number Publication date
FR2082981A5 (zh) 1971-12-10
SE359886B (zh) 1973-09-10
CH531160A (fr) 1972-11-30
NO124451B (zh) 1972-04-17

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