FR383386A - Method and device for driving wedges in mines - Google Patents

Method and device for driving wedges in mines

Info

Publication number
FR383386A
FR383386A FR383386DA FR383386A FR 383386 A FR383386 A FR 383386A FR 383386D A FR383386D A FR 383386DA FR 383386 A FR383386 A FR 383386A
Authority
FR
France
Prior art keywords
mines
driving wedges
wedges
driving
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
Heinrich Flottmann
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 FR383386A publication Critical patent/FR383386A/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
    • E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit

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)
FR383386D 1907-10-08 1907-10-28 Method and device for driving wedges in mines Expired FR383386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE383386X 1907-10-08

Publications (1)

Publication Number Publication Date
FR383386A true FR383386A (en) 1908-03-06

Family

ID=1429399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR383386D Expired FR383386A (en) 1907-10-08 1907-10-28 Method and device for driving wedges in mines

Country Status (1)

Country Link
FR (1) FR383386A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691512A (en) * 1949-07-25 1954-10-12 Arizio Antonio Wedge-shaped tool for splitting rocks and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691512A (en) * 1949-07-25 1954-10-12 Arizio Antonio Wedge-shaped tool for splitting rocks and the like

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