FR607925A - Device for pushing up the explosive charge in the extraction galleries - Google Patents

Device for pushing up the explosive charge in the extraction galleries

Info

Publication number
FR607925A
FR607925A FR607925DA FR607925A FR 607925 A FR607925 A FR 607925A FR 607925D A FR607925D A FR 607925DA FR 607925 A FR607925 A FR 607925A
Authority
FR
France
Prior art keywords
galleries
pushing
extraction
explosive charge
explosive
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 Hennen
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 filed Critical
Application granted granted Critical
Publication of FR607925A publication Critical patent/FR607925A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
FR607925D 1925-02-16 1925-12-12 Device for pushing up the explosive charge in the extraction galleries Expired FR607925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE607925X 1925-02-16

Publications (1)

Publication Number Publication Date
FR607925A true FR607925A (en) 1926-07-12

Family

ID=6575737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR607925D Expired FR607925A (en) 1925-02-16 1925-12-12 Device for pushing up the explosive charge in the extraction galleries

Country Status (1)

Country Link
FR (1) FR607925A (en)

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