FR1337134A - Perfectionnements aux supports de toit de mine - Google Patents

Perfectionnements aux supports de toit de mine

Info

Publication number
FR1337134A
FR1337134A FR913487A FR913487A FR1337134A FR 1337134 A FR1337134 A FR 1337134A FR 913487 A FR913487 A FR 913487A FR 913487 A FR913487 A FR 913487A FR 1337134 A FR1337134 A FR 1337134A
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
FR913487A
Other languages
English (en)
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
Priority claimed from GB38765/61A external-priority patent/GB972506A/en
Application filed by Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Application granted granted Critical
Publication of FR1337134A publication Critical patent/FR1337134A/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
    • E21D23/0047—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)
FR913487A 1961-10-30 1962-10-26 Perfectionnements aux supports de toit de mine Expired FR1337134A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38765/61A GB972506A (en) 1961-10-02 1961-10-30 Roof support suitable for use in mines

Publications (1)

Publication Number Publication Date
FR1337134A true FR1337134A (fr) 1963-09-06

Family

ID=26198119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913487A Expired FR1337134A (fr) 1961-10-30 1962-10-26 Perfectionnements aux supports de toit de mine

Country Status (1)

Country Link
FR (1) FR1337134A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257722B (de) * 1966-02-16 1968-01-04 Hansjoachim Von Hippel Dr Ing Unter Last rueckbarer Stempelausbau
DE1277790B (de) * 1965-09-10 1968-09-19 Kloeckner Werke Ag Wandernder Strebausbau mit Gespannen aus drei nebeneinander angeordneten Ausbaurahmen
DE1292605B (de) * 1964-03-20 1969-04-17 Coal Industry Patents Ltd Wandernder Grubenausbau
DE1458672B1 (de) * 1951-01-28 1970-02-26 Becorit Grubenausbau Gmbh Steuerung für einen wandernden hydraulischen Strebausbau

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1458672B1 (de) * 1951-01-28 1970-02-26 Becorit Grubenausbau Gmbh Steuerung für einen wandernden hydraulischen Strebausbau
DE1292605B (de) * 1964-03-20 1969-04-17 Coal Industry Patents Ltd Wandernder Grubenausbau
DE1292605C2 (de) * 1964-03-20 1973-05-17 Coal Industry Patents Ltd Wandernder Grubenausbau
DE1277790B (de) * 1965-09-10 1968-09-19 Kloeckner Werke Ag Wandernder Strebausbau mit Gespannen aus drei nebeneinander angeordneten Ausbaurahmen
DE1257722B (de) * 1966-02-16 1968-01-04 Hansjoachim Von Hippel Dr Ing Unter Last rueckbarer Stempelausbau

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