FR1190532A - Improvements to ceiling supports for underground mines - Google Patents

Improvements to ceiling supports for underground mines

Info

Publication number
FR1190532A
FR1190532A FR1190532DA FR1190532A FR 1190532 A FR1190532 A FR 1190532A FR 1190532D A FR1190532D A FR 1190532DA FR 1190532 A FR1190532 A FR 1190532A
Authority
FR
France
Prior art keywords
underground mines
ceiling supports
ceiling
supports
mines
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
Other languages
French (fr)
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.)
Dobson Ltd W E & F
WE&F Dobson Ltd
Original Assignee
Dobson Ltd W E & F
WE&F 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 Dobson Ltd W E & F, WE&F Dobson Ltd filed Critical Dobson Ltd W E & F
Application granted granted Critical
Publication of FR1190532A publication Critical patent/FR1190532A/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
    • E21D23/006—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
    • E21D23/0073—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 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)
FR1190532D 1957-07-05 1957-07-05 Improvements to ceiling supports for underground mines Expired FR1190532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1190532X 1957-07-05

Publications (1)

Publication Number Publication Date
FR1190532A true FR1190532A (en) 1959-10-13

Family

ID=10881101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1190532D Expired FR1190532A (en) 1957-07-05 1957-07-05 Improvements to ceiling supports for underground mines

Country Status (1)

Country Link
FR (1) FR1190532A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1143771B (en) * 1960-02-24 1963-02-21 Hemscheidt Maschf Hermann Migrating hydraulic longwall construction for steep storage with floating ground
DE1154424B (en) * 1960-09-12 1963-09-19 Ewald Wiemann Maschf Wandering longwall mining
US3106825A (en) * 1959-06-09 1963-10-15 Raheinstahl Wanheim G M B H Mining apparatus and advancing means therefor
DE1166123B (en) * 1960-03-24 1964-03-26 Gewerk Eisenhuette Westfalia Expansion of a coal extraction company in steep storage
DE1179530B (en) * 1962-02-14 1964-10-15 Karl Theodor Jasper Expansion unit for migrating longwall mining
US3216201A (en) * 1959-10-12 1965-11-09 Coal Industry Patents Ltd Mine roof supports
DE1205034B (en) * 1964-03-20 1965-11-18 Coal Industry Patents Ltd Wandering pit support
US3397543A (en) * 1964-08-20 1968-08-20 Gewerk Eisenhuette Westfalia Mine roof support for progressive exploitation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106825A (en) * 1959-06-09 1963-10-15 Raheinstahl Wanheim G M B H Mining apparatus and advancing means therefor
US3216201A (en) * 1959-10-12 1965-11-09 Coal Industry Patents Ltd Mine roof supports
DE1143771B (en) * 1960-02-24 1963-02-21 Hemscheidt Maschf Hermann Migrating hydraulic longwall construction for steep storage with floating ground
DE1166123B (en) * 1960-03-24 1964-03-26 Gewerk Eisenhuette Westfalia Expansion of a coal extraction company in steep storage
DE1154424B (en) * 1960-09-12 1963-09-19 Ewald Wiemann Maschf Wandering longwall mining
DE1179530B (en) * 1962-02-14 1964-10-15 Karl Theodor Jasper Expansion unit for migrating longwall mining
DE1205034B (en) * 1964-03-20 1965-11-18 Coal Industry Patents Ltd Wandering pit support
US3397543A (en) * 1964-08-20 1968-08-20 Gewerk Eisenhuette Westfalia Mine roof support for progressive exploitation

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