ES381184A1 - Perfeccionamientos en la construccion de elementos autoa- vanzantes en minas para la entibacion de galerias. - Google Patents

Perfeccionamientos en la construccion de elementos autoa- vanzantes en minas para la entibacion de galerias.

Info

Publication number
ES381184A1
ES381184A1 ES381184A ES381184A ES381184A1 ES 381184 A1 ES381184 A1 ES 381184A1 ES 381184 A ES381184 A ES 381184A ES 381184 A ES381184 A ES 381184A ES 381184 A1 ES381184 A1 ES 381184A1
Authority
ES
Spain
Prior art keywords
mine roof
relating
ram
advancing
roof supports
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
ES381184A
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.)
CULLICK DOBSON Ltd
Original Assignee
CULLICK 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 CULLICK DOBSON Ltd filed Critical CULLICK DOBSON Ltd
Publication of ES381184A1 publication Critical patent/ES381184A1/es
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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

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)
  • Tents Or Canopies (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manipulator (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Feeding Of Articles To Conveyors (AREA)
ES381184A 1969-06-26 1970-06-26 Perfeccionamientos en la construccion de elementos autoa- vanzantes en minas para la entibacion de galerias. Expired ES381184A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691932378 DE1932378A1 (de) 1969-06-26 1969-06-26 Selbstvorrueckendes Grubenausbauelement

Publications (1)

Publication Number Publication Date
ES381184A1 true ES381184A1 (es) 1972-12-01

Family

ID=5738058

Family Applications (1)

Application Number Title Priority Date Filing Date
ES381184A Expired ES381184A1 (es) 1969-06-26 1970-06-26 Perfeccionamientos en la construccion de elementos autoa- vanzantes en minas para la entibacion de galerias.

Country Status (6)

Country Link
JP (1) JPS5328361B1 (es)
AT (1) AT296191B (es)
DE (1) DE1932378A1 (es)
ES (1) ES381184A1 (es)
GB (1) GB1269022A (es)
PL (1) PL80728B1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655076A1 (de) * 1976-12-04 1978-06-15 Gewerk Eisenhuette Westfalia Ausbaugespann
DE2712388C2 (de) * 1977-03-22 1986-04-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Abspanneinrichtung für Förder- und/oder Gewinnungsanlagen in untertägigen Gewinnungsbetrieben
DE2800619C2 (de) * 1978-01-07 1986-07-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitausbau mit einer Anschlußvorrichtung für einen der Abspannung einer Förder- und/oder Gewinnungsanlage dienenden Abspannzylinder
DE3024216C2 (de) * 1980-06-27 1985-08-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Blockabspannung für eine rückbare Förder- und/oder Gewinnungsanlage
WO2004055328A1 (de) * 2002-12-17 2004-07-01 Tiefenbach Bergbautechnik Gmbh Strebausbau in einem bergwerk

Also Published As

Publication number Publication date
AT296191B (de) 1972-02-10
PL80728B1 (es) 1975-08-30
JPS5328361B1 (es) 1978-08-14
DE1932378A1 (de) 1971-01-07
GB1269022A (en) 1972-03-29

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