FR852002A - Mine ignition device or other applications - Google Patents

Mine ignition device or other applications

Info

Publication number
FR852002A
FR852002A FR852002DA FR852002A FR 852002 A FR852002 A FR 852002A FR 852002D A FR852002D A FR 852002DA FR 852002 A FR852002 A FR 852002A
Authority
FR
France
Prior art keywords
applications
ignition device
mine ignition
mine
ignition
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)
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.)
Societe dExplosifs et Produits Chimiques SA
Original Assignee
Societe dExplosifs et Produits Chimiques 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 Societe dExplosifs et Produits Chimiques SA filed Critical Societe dExplosifs et Produits Chimiques SA
Application granted granted Critical
Publication of FR852002A publication Critical patent/FR852002A/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)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
FR852002D 1939-03-22 1939-03-22 Mine ignition device or other applications Expired FR852002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR852002T 1939-03-22

Publications (1)

Publication Number Publication Date
FR852002A true FR852002A (en) 1940-01-22

Family

ID=9326460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852002D Expired FR852002A (en) 1939-03-22 1939-03-22 Mine ignition device or other applications

Country Status (2)

Country Link
CH (1) CH223398A (en)
FR (1) FR852002A (en)

Also Published As

Publication number Publication date
CH223398A (en) 1942-09-15

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