GB670826A - Method of and means for the construction of a support for mine galleries and the like - Google Patents

Method of and means for the construction of a support for mine galleries and the like

Info

Publication number
GB670826A
GB670826A GB29585/49A GB2958549A GB670826A GB 670826 A GB670826 A GB 670826A GB 29585/49 A GB29585/49 A GB 29585/49A GB 2958549 A GB2958549 A GB 2958549A GB 670826 A GB670826 A GB 670826A
Authority
GB
United Kingdom
Prior art keywords
caps
hole
cap
wedge
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
GB29585/49A
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.)
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
Publication of GB670826A publication Critical patent/GB670826A/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)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Component Parts Of Construction Machinery (AREA)
GB29585/49A 1948-11-19 1949-11-18 Method of and means for the construction of a support for mine galleries and the like Expired GB670826A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB670826A true GB670826A (en) 1952-04-23

Family

ID=19800430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29585/49A Expired GB670826A (en) 1948-11-19 1949-11-18 Method of and means for the construction of a support for mine galleries and the like

Country Status (5)

Country Link
BE (1) BE492242A (hu)
DE (1) DE815182C (hu)
FR (1) FR1003951A (hu)
GB (1) GB670826A (hu)
NL (2) NL70416C (hu)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211574B (de) * 1958-05-30 1966-03-03 Ludwig Vanwersch Ausbaukappe fuer den Grubenbetrieb
DE1198770B (de) * 1961-02-09 1965-08-19 Heinrich Pierburg Fa Vorpfaendgelenkkappe, insbesondere fuer den Strebausbau

Also Published As

Publication number Publication date
BE492242A (hu)
FR1003951A (fr) 1952-03-24
DE815182C (de) 1951-10-01
NL70416C (hu)
NL68863C (hu)

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