BE580976A - Mechanized pruning support - Google Patents

Mechanized pruning support

Info

Publication number
BE580976A
BE580976A BE580976A BE580976A BE580976A BE 580976 A BE580976 A BE 580976A BE 580976 A BE580976 A BE 580976A BE 580976 A BE580976 A BE 580976A BE 580976 A BE580976 A BE 580976A
Authority
BE
Belgium
Prior art keywords
pruning support
mechanized pruning
mechanized
support
pruning
Prior art date
Application number
BE580976A
Other languages
French (fr)
Original Assignee
Gutehoffnungshuette Sterkrade
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 Gutehoffnungshuette Sterkrade filed Critical Gutehoffnungshuette Sterkrade
Publication of BE580976A publication Critical patent/BE580976A/en

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
    • E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing 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)
  • Metal Rolling (AREA)
BE580976A 1958-07-23 1959-07-23 Mechanized pruning support BE580976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG24955A DE1087999B (en) 1958-07-23 1958-07-23 Mechanized longwall mining

Publications (1)

Publication Number Publication Date
BE580976A true BE580976A (en) 1959-11-16

Family

ID=7122525

Family Applications (1)

Application Number Title Priority Date Filing Date
BE580976A BE580976A (en) 1958-07-23 1959-07-23 Mechanized pruning support

Country Status (3)

Country Link
BE (1) BE580976A (en)
DE (1) DE1087999B (en)
GB (1) GB921444A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280570A (en) * 1964-03-23 1966-10-25 Gullick Ltd Coal face man-riding carriage
CN109869151B (en) * 2019-04-04 2022-03-04 中国矿业大学(北京) A collaborative operation method for realizing mining face mining and coal pillar recovery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915928C (en) * 1943-06-10 1954-08-02 Gerhard Werner Spacer for wandering longwall mining

Also Published As

Publication number Publication date
GB921444A (en) 1963-03-20
DE1087999B (en) 1960-09-01

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