DE2004180C3 - Wandernder Strebausbau - Google Patents

Wandernder Strebausbau

Info

Publication number
DE2004180C3
DE2004180C3 DE19702004180 DE2004180A DE2004180C3 DE 2004180 C3 DE2004180 C3 DE 2004180C3 DE 19702004180 DE19702004180 DE 19702004180 DE 2004180 A DE2004180 A DE 2004180A DE 2004180 C3 DE2004180 C3 DE 2004180C3
Authority
DE
Germany
Prior art keywords
expansion
spacers
elements
several
extension
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
DE19702004180
Other languages
German (de)
English (en)
Other versions
DE2004180B2 (de
DE2004180A1 (de
Inventor
Jeffrey William Wrightington Lancashire Seddon (Grossbritannien)
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 INCE WIGAN LANCASHIRE (GROSSBRITANNIEN)
Original Assignee
GULLICK DOBSON Ltd INCE WIGAN LANCASHIRE (GROSSBRITANNIEN)
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 INCE WIGAN LANCASHIRE (GROSSBRITANNIEN) filed Critical GULLICK DOBSON Ltd INCE WIGAN LANCASHIRE (GROSSBRITANNIEN)
Publication of DE2004180A1 publication Critical patent/DE2004180A1/de
Publication of DE2004180B2 publication Critical patent/DE2004180B2/de
Application granted granted Critical
Publication of DE2004180C3 publication Critical patent/DE2004180C3/de
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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geology (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Revetment (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Ladders (AREA)
  • Movable Scaffolding (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
DE19702004180 1969-02-13 1970-01-30 Wandernder Strebausbau Expired DE2004180C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB799869A GB1254594A (en) 1969-02-13 1969-02-13 Improvements in or relating to mine roof supports

Publications (3)

Publication Number Publication Date
DE2004180A1 DE2004180A1 (de) 1970-09-03
DE2004180B2 DE2004180B2 (de) 1974-05-16
DE2004180C3 true DE2004180C3 (de) 1975-10-23

Family

ID=9843830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702004180 Expired DE2004180C3 (de) 1969-02-13 1970-01-30 Wandernder Strebausbau

Country Status (5)

Country Link
JP (1) JPS4934882B1 (enrdf_load_stackoverflow)
CA (1) CA919439A (enrdf_load_stackoverflow)
DE (1) DE2004180C3 (enrdf_load_stackoverflow)
FR (1) FR2035210A5 (enrdf_load_stackoverflow)
GB (1) GB1254594A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518394U (enrdf_load_stackoverflow) * 1978-07-26 1980-02-05
RU2136888C1 (ru) * 1998-02-10 1999-09-10 АО "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" Механизированная крепь для отработки пластов камерами
CN114909168B (zh) * 2021-02-10 2025-02-25 山东兖煤黑豹矿业装备有限公司 支护装置及掘进系统

Also Published As

Publication number Publication date
JPS4934882B1 (enrdf_load_stackoverflow) 1974-09-18
FR2035210A5 (enrdf_load_stackoverflow) 1970-12-18
DE2004180B2 (de) 1974-05-16
CA919439A (en) 1973-01-23
DE2004180A1 (de) 1970-09-03
GB1254594A (en) 1971-11-24

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee