FR1424263A - Perfectionnements aux soutènements de toit de mine - Google Patents

Perfectionnements aux soutènements de toit de mine

Info

Publication number
FR1424263A
FR1424263A FR4985A FR4985A FR1424263A FR 1424263 A FR1424263 A FR 1424263A FR 4985 A FR4985 A FR 4985A FR 4985 A FR4985 A FR 4985A FR 1424263 A FR1424263 A FR 1424263A
Authority
FR
France
Prior art keywords
mine roof
roof supports
supports
mine
roof
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
FR4985A
Other languages
English (en)
French (fr)
Inventor
Archelaius Dawson Allen
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
Application granted granted Critical
Publication of FR1424263A publication Critical patent/FR1424263A/fr
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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

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)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tents Or Canopies (AREA)
FR4985A 1964-02-12 1965-02-10 Perfectionnements aux soutènements de toit de mine Expired FR1424263A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5848/64A GB1045353A (en) 1964-02-12 1964-02-12 Improvements in or relating to mine roof supports

Publications (1)

Publication Number Publication Date
FR1424263A true FR1424263A (fr) 1966-01-07

Family

ID=9803770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4985A Expired FR1424263A (fr) 1964-02-12 1965-02-10 Perfectionnements aux soutènements de toit de mine

Country Status (5)

Country Link
US (1) US3365893A (de)
AT (1) AT259489B (de)
DE (1) DE1942914U (de)
FR (1) FR1424263A (de)
GB (1) GB1045353A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236590A (en) * 1968-10-01 1971-06-23 Gullick Dobson Ltd Improvements in or relating to mine roof supports
DE3730711A1 (de) * 1987-09-12 1989-03-23 Bochumer Eisen Heintzmann Elektro-hydraulische programmfolgesteuerung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910281A (en) * 1956-10-19 1959-10-27 Rheinstahl Wanheim Gmbh Prop and conveyer arrangement for mines
GB950066A (en) * 1960-02-18 1964-02-19 Gullick Ltd Improvements in or relating to advancing roof supporting means for mines
FR1303511A (fr) * 1961-07-22 1962-09-14 Mines Domaniales De Potasse Système de rallonges télescopiques à portance hydraulique pour éléments de soutènement en taille

Also Published As

Publication number Publication date
US3365893A (en) 1968-01-30
AT259489B (de) 1968-01-10
GB1045353A (en) 1966-10-12
DE1942914U (de) 1966-07-28

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