GB1119166A - Improvements in or relating to roof supporting caps for mines - Google Patents

Improvements in or relating to roof supporting caps for mines

Info

Publication number
GB1119166A
GB1119166A GB5220665A GB5220665A GB1119166A GB 1119166 A GB1119166 A GB 1119166A GB 5220665 A GB5220665 A GB 5220665A GB 5220665 A GB5220665 A GB 5220665A GB 1119166 A GB1119166 A GB 1119166A
Authority
GB
United Kingdom
Prior art keywords
pin
cap
mines
relating
roof supporting
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
GB5220665A
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Publication of GB1119166A publication Critical patent/GB1119166A/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section

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)
  • Tents Or Canopies (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

1,119,166. Connections between mine roof support bars. GUTEHOFFNUNGSHUTTE STERKRADE A.G. 9 Dec., 1965 [22 Dec., 1964], No. 52206/65. Heading E1E. A box-section roof support cap 1 is provided at one end with a pin, see Fig. 1 (not shown), and at the other end with an eye portion 3 having an end plug 8 which is secured to the cap 1 by a pin 9 allowing relative movement in a horizontal plane. The eye portion 3 has a part-circular tapering recess 6 to receive the pin portion of an adjacent roof cap which is secured thereto by a wedge.
GB5220665A 1964-12-22 1965-12-09 Improvements in or relating to roof supporting caps for mines Expired GB1119166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964G0031374 DE1913617U (en) 1964-12-22 1964-12-22 PIT REMOVAL CAP.

Publications (1)

Publication Number Publication Date
GB1119166A true GB1119166A (en) 1968-07-10

Family

ID=7124217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5220665A Expired GB1119166A (en) 1964-12-22 1965-12-09 Improvements in or relating to roof supporting caps for mines

Country Status (4)

Country Link
DE (1) DE1913617U (en)
FR (1) FR1455718A (en)
GB (1) GB1119166A (en)
NL (1) NL6516415A (en)

Also Published As

Publication number Publication date
FR1455718A (en) 1966-10-14
DE1913617U (en) 1965-04-15
NL6516415A (en) 1966-06-23

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