GB2104941B - Mineral mining apparatus - Google Patents

Mineral mining apparatus

Info

Publication number
GB2104941B
GB2104941B GB08219589A GB8219589A GB2104941B GB 2104941 B GB2104941 B GB 2104941B GB 08219589 A GB08219589 A GB 08219589A GB 8219589 A GB8219589 A GB 8219589A GB 2104941 B GB2104941 B GB 2104941B
Authority
GB
United Kingdom
Prior art keywords
mining apparatus
mineral mining
mineral
mining
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
GB08219589A
Other versions
GB2104941A (en
Inventor
Dennis Franklyn Rutherford
Clifford Jack Hobbs
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB08219589A priority Critical patent/GB2104941B/en
Publication of GB2104941A publication Critical patent/GB2104941A/en
Application granted granted Critical
Publication of GB2104941B publication Critical patent/GB2104941B/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
    • E21D23/04—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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Electrically Operated Instructional Devices (AREA)
GB08219589A 1981-08-29 1982-07-07 Mineral mining apparatus Expired GB2104941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08219589A GB2104941B (en) 1981-08-29 1982-07-07 Mineral mining apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8126415 1981-08-29
GB08219589A GB2104941B (en) 1981-08-29 1982-07-07 Mineral mining apparatus

Publications (2)

Publication Number Publication Date
GB2104941A GB2104941A (en) 1983-03-16
GB2104941B true GB2104941B (en) 1985-01-16

Family

ID=26280607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08219589A Expired GB2104941B (en) 1981-08-29 1982-07-07 Mineral mining apparatus

Country Status (1)

Country Link
GB (1) GB2104941B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL149218B1 (en) * 1986-04-03 1990-01-31 Method of filling mined-out longwall workings and filling stopping therefor

Also Published As

Publication number Publication date
GB2104941A (en) 1983-03-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee