[go: up one dir, main page]

FR1588074A - - Google Patents

Info

Publication number
FR1588074A
FR1588074A FR1588074DA FR1588074A FR 1588074 A FR1588074 A FR 1588074A FR 1588074D A FR1588074D A FR 1588074DA FR 1588074 A FR1588074 A FR 1588074A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR1588074A publication Critical patent/FR1588074A/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
    • E21D23/006—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

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)
  • Lining And Supports For Tunnels (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR1588074D 1967-11-01 1968-10-28 Expired FR1588074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4955667A GB1235288A (en) 1967-11-01 1967-11-01 Improvements in or relating to self-advancing mine roof supports

Publications (1)

Publication Number Publication Date
FR1588074A true FR1588074A (en) 1970-04-03

Family

ID=10452729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1588074D Expired FR1588074A (en) 1967-11-01 1968-10-28

Country Status (4)

Country Link
JP (1) JPS4810681B1 (en)
DE (1) DE1801565B1 (en)
FR (1) FR1588074A (en)
GB (1) GB1235288A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544349A1 (en) * 1985-12-14 1987-06-19 Gewerk Eisenhuette Westfalia Hydraulic directional support for self-advancing support assemblies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1252158B (en) * 1967-10-19 Dowty Mining Equipment Limited, Ashchurch, Tewkesbury, Gloucester (Großbritannien) Pit lining with a device for aligning the rear cylinders
DE1215633B (en) * 1960-08-31 1966-05-05 Gullick Ltd Hiking pillar extension for strut in inclined storage
DE1208719B (en) * 1962-06-29 1966-01-13 Dowty Mining Equipment Ltd Wandering single frame for longwall construction
DE1247992B (en) * 1965-04-23 1967-08-24 Karl Maria Groetschel Dipl Ing Guide element that can be used between two adjacent expansion units

Also Published As

Publication number Publication date
JPS4810681B1 (en) 1973-04-06
DE1801565B1 (en) 1971-07-29
GB1235288A (en) 1971-06-09

Similar Documents

Publication Publication Date Title
AU425114B2 (en)
AU416737B2 (en)
AU2277767A (en)
AU342066A (en)
AU2977667A (en)
AU610966A (en)
AU2116667A (en)
AU2256867A (en)
AU2454867A (en)
AU3189468A (en)
AU2528767A (en)
BE483855A (en)
BE692199A (en)
AU25066A (en)
AU2406369A (en)
AU34866A (en)
AU408412B2 (en)
AU23366A (en)
AU1763766A (en)
AU459699A (en)
BE509738A (en)
AU97666A (en)
BE426053A (en)
BE477645A (en)
BE710491A (en)

Legal Events

Date Code Title Description
ST Notification of lapse