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FR1374185A - hydraulic mine prop - Google Patents

hydraulic mine prop

Info

Publication number
FR1374185A
FR1374185A FR953696A FR953696A FR1374185A FR 1374185 A FR1374185 A FR 1374185A FR 953696 A FR953696 A FR 953696A FR 953696 A FR953696 A FR 953696A FR 1374185 A FR1374185 A FR 1374185A
Authority
FR
France
Prior art keywords
mine prop
hydraulic mine
hydraulic
prop
mine
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
FR953696A
Other languages
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke 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
Priority claimed from DEK50554A external-priority patent/DE1255070B/en
Application filed by Kloeckner Werke AG filed Critical Kloeckner Werke AG
Priority to FR953696A priority Critical patent/FR1374185A/en
Application granted granted Critical
Publication of FR1374185A publication Critical patent/FR1374185A/en
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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

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)
FR953696A 1963-08-19 1963-11-14 hydraulic mine prop Expired FR1374185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR953696A FR1374185A (en) 1963-08-19 1963-11-14 hydraulic mine prop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEK50554A DE1255070B (en) 1963-08-19 1963-08-19 Setting gun for hydraulic pit rams of the open system
FR953696A FR1374185A (en) 1963-08-19 1963-11-14 hydraulic mine prop

Publications (1)

Publication Number Publication Date
FR1374185A true FR1374185A (en) 1964-10-02

Family

ID=25983775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953696A Expired FR1374185A (en) 1963-08-19 1963-11-14 hydraulic mine prop

Country Status (1)

Country Link
FR (1) FR1374185A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1533708B1 (en) * 1965-12-22 1969-09-18 Allinquant Fernand St Transfer device for pressurized fluids with automatic locking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1533708B1 (en) * 1965-12-22 1969-09-18 Allinquant Fernand St Transfer device for pressurized fluids with automatic locking

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