FR1196318A - étai hydraulique pour la mine - Google Patents

étai hydraulique pour la mine

Info

Publication number
FR1196318A
FR1196318A FR1196318DA FR1196318A FR 1196318 A FR1196318 A FR 1196318A FR 1196318D A FR1196318D A FR 1196318DA FR 1196318 A FR1196318 A FR 1196318A
Authority
FR
France
Prior art keywords
mine
hydraulic prop
prop
hydraulic
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
English (en)
French (fr)
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.)
Kronprinz GmbH
Original Assignee
Kronprinz GmbH
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 Kronprinz GmbH filed Critical Kronprinz GmbH
Application granted granted Critical
Publication of FR1196318A publication Critical patent/FR1196318A/fr
Expired legal-status Critical Current

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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

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)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Reciprocating Pumps (AREA)
  • Credit Cards Or The Like (AREA)
FR1196318D 1957-05-23 1958-05-22 étai hydraulique pour la mine Expired FR1196318A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK32022A DE1113193B (de) 1957-05-23 1957-05-23 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
FR1196318A true FR1196318A (fr) 1959-11-23

Family

ID=7219329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1196318D Expired FR1196318A (fr) 1957-05-23 1958-05-22 étai hydraulique pour la mine

Country Status (4)

Country Link
BE (1) BE567926A (et)
DE (1) DE1113193B (et)
FR (1) FR1196318A (et)
GB (1) GB866242A (et)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255070B (de) * 1963-08-19 1967-11-30 Kloeckner Werke Ag Setzpistole fuer hydraulische Grubenstempel des offenen Systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255070B (de) * 1963-08-19 1967-11-30 Kloeckner Werke Ag Setzpistole fuer hydraulische Grubenstempel des offenen Systems

Also Published As

Publication number Publication date
GB866242A (en) 1961-04-26
DE1113193B (de) 1961-08-31
BE567926A (et)

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