FR1003951A - Method for establishing a support for galleries and the like - Google Patents

Method for establishing a support for galleries and the like

Info

Publication number
FR1003951A
FR1003951A FR1003951DA FR1003951A FR 1003951 A FR1003951 A FR 1003951A FR 1003951D A FR1003951D A FR 1003951DA FR 1003951 A FR1003951 A FR 1003951A
Authority
FR
France
Prior art keywords
galleries
establishing
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
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.)
Directie van de Staatsmijnen in Limburg
Original Assignee
Directie van de Staatsmijnen in Limburg
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 Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Application granted granted Critical
Publication of FR1003951A publication Critical patent/FR1003951A/en
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)
  • Component Parts Of Construction Machinery (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
FR1003951D 1948-11-19 1949-11-18 Method for establishing a support for galleries and the like Expired FR1003951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL670826X 1948-11-19

Publications (1)

Publication Number Publication Date
FR1003951A true FR1003951A (en) 1952-03-24

Family

ID=19800430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1003951D Expired FR1003951A (en) 1948-11-19 1949-11-18 Method for establishing a support for galleries and the like

Country Status (5)

Country Link
BE (1) BE492242A (en)
DE (1) DE815182C (en)
FR (1) FR1003951A (en)
GB (1) GB670826A (en)
NL (2) NL68863C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211574B (en) * 1958-05-30 1966-03-03 Ludwig Vanwersch Expansion cap for mining operations
DE1198770B (en) * 1961-02-09 1965-08-19 Heinrich Pierburg Fa Forearm joint cap, especially for longwall construction

Also Published As

Publication number Publication date
NL70416C (en)
GB670826A (en) 1952-04-23
NL68863C (en)
DE815182C (en) 1951-10-01
BE492242A (en)

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