FR1499076A - Advanced mine roof support - Google Patents

Advanced mine roof support

Info

Publication number
FR1499076A
FR1499076A FR83812A FR83812A FR1499076A FR 1499076 A FR1499076 A FR 1499076A FR 83812 A FR83812 A FR 83812A FR 83812 A FR83812 A FR 83812A FR 1499076 A FR1499076 A FR 1499076A
Authority
FR
France
Prior art keywords
roof support
mine roof
advanced mine
advanced
support
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
FR83812A
Other languages
French (fr)
Inventor
Jeffrey William Seddon
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 Ltd
Original Assignee
Gullick 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 Ltd filed Critical Gullick Ltd
Priority to FR83812A priority Critical patent/FR1499076A/en
Application granted granted Critical
Publication of FR1499076A publication Critical patent/FR1499076A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR83812A 1966-11-16 1966-11-16 Advanced mine roof support Expired FR1499076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR83812A FR1499076A (en) 1966-11-16 1966-11-16 Advanced mine roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR83812A FR1499076A (en) 1966-11-16 1966-11-16 Advanced mine roof support

Publications (1)

Publication Number Publication Date
FR1499076A true FR1499076A (en) 1967-10-20

Family

ID=8621098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR83812A Expired FR1499076A (en) 1966-11-16 1966-11-16 Advanced mine roof support

Country Status (1)

Country Link
FR (1) FR1499076A (en)

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