FR1296323A - étançon de mine hydraulique à extension amplifiée - Google Patents

étançon de mine hydraulique à extension amplifiée

Info

Publication number
FR1296323A
FR1296323A FR869328A FR869328A FR1296323A FR 1296323 A FR1296323 A FR 1296323A FR 869328 A FR869328 A FR 869328A FR 869328 A FR869328 A FR 869328A FR 1296323 A FR1296323 A FR 1296323A
Authority
FR
France
Prior art keywords
mine prop
hydraulic mine
amplified extension
amplified
extension
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
FR869328A
Other languages
English (en)
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.)
BWG Bergwerk und Walzwerk Maschinenbau GmbH
Original Assignee
BWG Bergwerk und Walzwerk Maschinenbau 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
Priority claimed from DEB58882A external-priority patent/DE1152376B/de
Application filed by BWG Bergwerk und Walzwerk Maschinenbau GmbH filed Critical BWG Bergwerk und Walzwerk Maschinenbau GmbH
Priority to FR869328A priority Critical patent/FR1296323A/fr
Application granted granted Critical
Publication of FR1296323A publication Critical patent/FR1296323A/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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details

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)
FR869328A 1960-08-05 1961-07-28 étançon de mine hydraulique à extension amplifiée Expired FR1296323A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR869328A FR1296323A (fr) 1960-08-05 1961-07-28 étançon de mine hydraulique à extension amplifiée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB58882A DE1152376B (de) 1960-08-05 1960-08-05 Hydraulischer Grubenstempel mit vergroessertem Hub
FR869328A FR1296323A (fr) 1960-08-05 1961-07-28 étançon de mine hydraulique à extension amplifiée

Publications (1)

Publication Number Publication Date
FR1296323A true FR1296323A (fr) 1962-06-15

Family

ID=25965711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869328A Expired FR1296323A (fr) 1960-08-05 1961-07-28 étançon de mine hydraulique à extension amplifiée

Country Status (1)

Country Link
FR (1) FR1296323A (fr)

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