FR1081781A - Dispositif de soutènement par étais et capuchons - Google Patents

Dispositif de soutènement par étais et capuchons

Info

Publication number
FR1081781A
FR1081781A FR1081781DA FR1081781A FR 1081781 A FR1081781 A FR 1081781A FR 1081781D A FR1081781D A FR 1081781DA FR 1081781 A FR1081781 A FR 1081781A
Authority
FR
France
Prior art keywords
props
caps
support device
support
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
Hans Gerlach
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 FR1081781A publication Critical patent/FR1081781A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
FR1081781D 1952-08-23 1953-07-31 Dispositif de soutènement par étais et capuchons Expired FR1081781A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1081781X 1952-08-23

Publications (1)

Publication Number Publication Date
FR1081781A true FR1081781A (fr) 1954-12-22

Family

ID=7720961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081781D Expired FR1081781A (fr) 1952-08-23 1953-07-31 Dispositif de soutènement par étais et capuchons

Country Status (2)

Country Link
BE (1) BE521943A (enrdf_load_stackoverflow)
FR (1) FR1081781A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE521943A (enrdf_load_stackoverflow)

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