FR1012668A - Piédroit de mine, avec protection hydraulique contre la déformation - Google Patents

Piédroit de mine, avec protection hydraulique contre la déformation

Info

Publication number
FR1012668A
FR1012668A FR1012668DA FR1012668A FR 1012668 A FR1012668 A FR 1012668A FR 1012668D A FR1012668D A FR 1012668DA FR 1012668 A FR1012668 A FR 1012668A
Authority
FR
France
Prior art keywords
protection against
against deformation
hydraulic protection
mine
foot
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)
Inventor
Wilhelm Reppel
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 FR1012668A publication Critical patent/FR1012668A/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
    • E21D15/52—Extensible units located above or below standard props
    • E21D15/523—Extensible units located above or below standard props with hydraulic or pneumatic control
    • 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)
  • Portable Nailing Machines And Staplers (AREA)
  • Safety Valves (AREA)
FR1012668D 1949-12-08 1950-01-27 Piédroit de mine, avec protection hydraulique contre la déformation Expired FR1012668A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER512A DE813542C (de) 1949-12-08 1949-12-08 Hydraulischer Grubenstempel mit einstellbarem Verformungsschutz

Publications (1)

Publication Number Publication Date
FR1012668A true FR1012668A (fr) 1952-07-16

Family

ID=7395143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1012668D Expired FR1012668A (fr) 1949-12-08 1950-01-27 Piédroit de mine, avec protection hydraulique contre la déformation

Country Status (3)

Country Link
BE (1) BE494572A (enrdf_load_stackoverflow)
DE (1) DE813542C (enrdf_load_stackoverflow)
FR (1) FR1012668A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010033B (de) * 1956-03-16 1957-06-13 Eisenwerk Wanheim G M B H Vorrichtung zum Abstreifen von Schmutz an Grubenstempeln
DE1129439B (de) * 1957-07-20 1962-05-17 Hermann Schwarz K G Nachgiebiger Stuetzkoerper fuer den Grubenausbau

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971740C (de) * 1951-04-28 1959-03-19 Ringfeder Gmbh Grubenstempel
DE1043251B (de) * 1955-06-24 1958-11-13 Hemscheidt Maschf Hermann Grubenausbaustempel
BE559110A (enrdf_load_stackoverflow) * 1956-07-11

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE621526C (de) * 1933-02-10 1935-11-08 Hugo Schramm Aus zwei ineinanderverschiebbaren Teilen bestehender nachgiebiger Grubenstempel
DE640845C (de) * 1935-05-27 1937-01-13 Wilhelm Fehlemann Nachgiebiger Grubenstempel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010033B (de) * 1956-03-16 1957-06-13 Eisenwerk Wanheim G M B H Vorrichtung zum Abstreifen von Schmutz an Grubenstempeln
DE1129439B (de) * 1957-07-20 1962-05-17 Hermann Schwarz K G Nachgiebiger Stuetzkoerper fuer den Grubenausbau

Also Published As

Publication number Publication date
DE813542C (de) 1951-09-13
BE494572A (enrdf_load_stackoverflow)

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