FR663325A - Method and device for introducing materials to great depths, in particular for introducing backfill into pits, shafts, etc., by means of air - Google Patents

Method and device for introducing materials to great depths, in particular for introducing backfill into pits, shafts, etc., by means of air

Info

Publication number
FR663325A
FR663325A FR663325DA FR663325A FR 663325 A FR663325 A FR 663325A FR 663325D A FR663325D A FR 663325DA FR 663325 A FR663325 A FR 663325A
Authority
FR
France
Prior art keywords
introducing
pits
shafts
air
backfill
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
Franz Schmied
Karl Baumgartner
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 FR663325A publication Critical patent/FR663325A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21F15/08—Filling-up hydraulically or pneumatically

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)
FR663325D 1927-11-03 1928-11-02 Method and device for introducing materials to great depths, in particular for introducing backfill into pits, shafts, etc., by means of air Expired FR663325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS663325X 1927-11-03

Publications (1)

Publication Number Publication Date
FR663325A true FR663325A (en) 1929-08-20

Family

ID=5454501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663325D Expired FR663325A (en) 1927-11-03 1928-11-02 Method and device for introducing materials to great depths, in particular for introducing backfill into pits, shafts, etc., by means of air

Country Status (1)

Country Link
FR (1) FR663325A (en)

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