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)
  • Component Parts Of Construction Machinery (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (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 (ja)
DE (1) DE815182C (ja)
FR (1) FR1003951A (ja)
GB (1) GB670826A (ja)
NL (2) NL70416C (ja)

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
DE815182C (de) 1951-10-01
FR1003951A (fr) 1952-03-24
NL70416C (ja)
BE492242A (ja)
NL68863C (ja)

Similar Documents

Publication Publication Date Title
GB985912A (en) Improvements in or relating to builders scaffolding
GB670826A (en) Method of and means for the construction of a support for mine galleries and the like
GB950066A (en) Improvements in or relating to advancing roof supporting means for mines
GB779791A (en) Improvements relating to end caps for pit-props
GB865922A (en) Mine roof supports
GB894757A (en) Coupling device for threaded rods
GB1249412A (en) Improvements in or relating to mine roof supports
GB851283A (en) Improvements in pit props
GB1004110A (en) Self-advancing support structure for a mine gallery roof
GB1218616A (en) Improvements to mine props
GB1295075A (ja)
GB1420553A (en) Pins for mine and tunnel roofs and other structures
GB1271264A (en) Improvements in or relating to props, particularly applicable to mine roof supports
GB1152770A (en) Improvements in or relating to Props for Use in Mines
GB934062A (en) Improvements in or relating to roof supports for mines
GB665143A (en) Method of erecting mine roof bars by the use of a temporary support bar
GB550650A (en) Roof supports for coal mines
GB721647A (en) Yieldable underground supporting frames for mines
Uchida On the so-called “Tora” of Nishiki Coal Mine in Saga Prefecture.(II)
GB1236590A (en) Improvements in or relating to mine roof supports
GB726000A (en) Improvements in lagging irons for mines
GB717230A (en) Angularly adjustable girder connection for the progressive lagging of mines
GB871810A (en) Roof-supporting structures for systems of supporting roofs in mines and working drifts
GB756069A (en) Improvements in or relating to coal face shoring structures
GB972595A (en) Improvements in and relating to hydraulic mine roof supports