FR1121179A - Improvements to mine blasters - Google Patents

Improvements to mine blasters

Info

Publication number
FR1121179A
FR1121179A FR1121179DA FR1121179A FR 1121179 A FR1121179 A FR 1121179A FR 1121179D A FR1121179D A FR 1121179DA FR 1121179 A FR1121179 A FR 1121179A
Authority
FR
France
Prior art keywords
blasters
mine
mine blasters
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
Francois Urban
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.)
Davey Bickford Smith et Cie SA
Original Assignee
Davey Bickford Smith et Cie SA
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 Davey Bickford Smith et Cie SA filed Critical Davey Bickford Smith et Cie SA
Application granted granted Critical
Publication of FR1121179A publication Critical patent/FR1121179A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F42D1/05—Electric circuits for blasting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1121179D 1955-02-08 1955-02-08 Improvements to mine blasters Expired FR1121179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1121179T 1955-02-08

Publications (1)

Publication Number Publication Date
FR1121179A true FR1121179A (en) 1956-07-24

Family

ID=9631932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121179D Expired FR1121179A (en) 1955-02-08 1955-02-08 Improvements to mine blasters

Country Status (1)

Country Link
FR (1) FR1121179A (en)

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