BE775745A - HYDRAULIC MINE SEALER - Google Patents

HYDRAULIC MINE SEALER

Info

Publication number
BE775745A
BE775745A BE775745A BE775745A BE775745A BE 775745 A BE775745 A BE 775745A BE 775745 A BE775745 A BE 775745A BE 775745 A BE775745 A BE 775745A BE 775745 A BE775745 A BE 775745A
Authority
BE
Belgium
Prior art keywords
sealer
hydraulic mine
mine
hydraulic
mine sealer
Prior art date
Application number
BE775745A
Other languages
French (fr)
Original Assignee
Rheinstahl Ag
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 Rheinstahl Ag filed Critical Rheinstahl Ag
Publication of BE775745A publication Critical patent/BE775745A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forging (AREA)
BE775745A 1971-01-14 1971-11-24 HYDRAULIC MINE SEALER BE775745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101475 DE2101475A1 (en) 1971-01-14 1971-01-14 Hydraulic pit ram

Publications (1)

Publication Number Publication Date
BE775745A true BE775745A (en) 1972-03-16

Family

ID=5795796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775745A BE775745A (en) 1971-01-14 1971-11-24 HYDRAULIC MINE SEALER

Country Status (4)

Country Link
AT (1) AT310698B (en)
BE (1) BE775745A (en)
DE (1) DE2101475A1 (en)
FR (1) FR2121777B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603978C3 (en) * 1976-02-03 1982-10-14 Thyssen Industrie Ag, 4300 Essen Rock impact valve arrangement in a hydraulic pit ram

Also Published As

Publication number Publication date
DE2101475A1 (en) 1972-08-03
FR2121777B1 (en) 1974-06-21
FR2121777A1 (en) 1972-08-25
AT310698B (en) 1973-10-10

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