GB1330115A - Self-advancing mine roof support - Google Patents

Self-advancing mine roof support

Info

Publication number
GB1330115A
GB1330115A GB2483671A GB2483671A GB1330115A GB 1330115 A GB1330115 A GB 1330115A GB 2483671 A GB2483671 A GB 2483671A GB 2483671 A GB2483671 A GB 2483671A GB 1330115 A GB1330115 A GB 1330115A
Authority
GB
United Kingdom
Prior art keywords
mine roof
advancing mine
support
april
jack
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
GB2483671A
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson Ltd
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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of GB1330115A publication Critical patent/GB1330115A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

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)
  • Actuator (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB2483671A 1970-04-18 1971-04-19 Self-advancing mine roof support Expired GB1330115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2018747 1970-04-18

Publications (1)

Publication Number Publication Date
GB1330115A true GB1330115A (en) 1973-09-12

Family

ID=5768480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2483671A Expired GB1330115A (en) 1970-04-18 1971-04-19 Self-advancing mine roof support

Country Status (3)

Country Link
GB (1) GB1330115A (en:Method)
HU (1) HU163276B (en:Method)
PL (1) PL71123B1 (en:Method)

Also Published As

Publication number Publication date
HU163276B (en:Method) 1973-07-28
PL71123B1 (en:Method) 1974-04-30

Similar Documents

Publication Publication Date Title
GB1418075A (en) Self advancing support device for coal and ore extraction works
GB1221528A (en) Control arrangement for a hydraulic pit prop support unit
GB1330115A (en) Self-advancing mine roof support
GB1455086A (en) Mineral mining installations
GB1474558A (en) Self-advancing mine roof supports
GB1218370A (en) Advancing mine roof support units for mine workings
FR2266798A1 (en) Equipment for adjusting self-advancing support on rising faces - has diagonally positioned cylinder between base and roof cap
GB1378513A (en) Connection for use between mine roof support and conveyor
GB1404594A (en) Mine roof supports
FR1417111A (fr) Procédé et dispositif de soutènement de galeries de mines combinant un soutènement porteur, coulissant et articulé, avec un soutènement par ancrage
GB1201150A (en) Improvements in or relating to mining equipment
GB1329125A (en) Mine roof supports
GB1375562A (en:Method)
GB1251096A (en:Method)
GB1277084A (en) Improvements in or relating to mine face supports
GB1217566A (en) Improvements in or relating to self-advancing underground roof supports
GB1049431A (en) Improvements in or relating to mine roof supports
GB1254594A (en) Improvements in or relating to mine roof supports
GB1134862A (en) Advancing roof support for face galleries in mines
FR2265971A1 (en) Hydraulic prop for mine working - has arm between flexible base and head plate vertically adjusted by hydraulic cylinders
GB1311939A (en) Mine roof support systems
GB1482428A (en) Roof supports for mines or other workings
GB1177714A (en) Improvements in Movable Support Assemblies for Mineral Mines
GB1166241A (en) Inclined-Prop Powered Support.
GB1311279A (en) Mine face end arrangements

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees