FR375275A - Contact device for electric ignition of mines - Google Patents

Contact device for electric ignition of mines

Info

Publication number
FR375275A
FR375275A FR375275DA FR375275A FR 375275 A FR375275 A FR 375275A FR 375275D A FR375275D A FR 375275DA FR 375275 A FR375275 A FR 375275A
Authority
FR
France
Prior art keywords
mines
contact device
electric ignition
ignition
electric
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
Friedrich Fink
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR375275A publication Critical patent/FR375275A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR375275D 1907-02-23 1907-02-23 Contact device for electric ignition of mines Expired FR375275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR375275T 1907-02-23

Publications (1)

Publication Number Publication Date
FR375275A true FR375275A (en) 1907-07-04

Family

ID=1421850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR375275D Expired FR375275A (en) 1907-02-23 1907-02-23 Contact device for electric ignition of mines

Country Status (1)

Country Link
FR (1) FR375275A (en)

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