JPS4970802A - - Google Patents

Info

Publication number
JPS4970802A
JPS4970802A JP48105097A JP10509773A JPS4970802A JP S4970802 A JPS4970802 A JP S4970802A JP 48105097 A JP48105097 A JP 48105097A JP 10509773 A JP10509773 A JP 10509773A JP S4970802 A JPS4970802 A JP S4970802A
Authority
JP
Japan
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.)
Pending
Application number
JP48105097A
Other languages
Japanese (ja)
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
Publication of JPS4970802A publication Critical patent/JPS4970802A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Road Paving Machines (AREA)
  • Lining And Supports For Tunnels (AREA)
JP48105097A 1972-09-19 1973-09-19 Pending JPS4970802A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4324572A GB1389111A (en) 1972-09-19 1972-09-19 Mining equipment for setting supports

Publications (1)

Publication Number Publication Date
JPS4970802A true JPS4970802A (enrdf_load_stackoverflow) 1974-07-09

Family

ID=10427906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48105097A Pending JPS4970802A (enrdf_load_stackoverflow) 1972-09-19 1973-09-19

Country Status (6)

Country Link
US (1) US3854295A (enrdf_load_stackoverflow)
JP (1) JPS4970802A (enrdf_load_stackoverflow)
AU (1) AU467026B2 (enrdf_load_stackoverflow)
DE (1) DE2346853C3 (enrdf_load_stackoverflow)
GB (1) GB1389111A (enrdf_load_stackoverflow)
HU (1) HU166916B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902324A (en) * 1973-06-25 1975-09-02 Us Interior Mobile roof supporting shield
US4143991A (en) * 1978-05-24 1979-03-13 Frank Stafford Mine roof support system
DD299446A5 (de) * 1989-05-11 1992-04-16 ��������@��@����������@��@��@����������@���������k�� Mobile abbau kammerabstuetzvorrichtung
US10774642B1 (en) * 2019-05-05 2020-09-15 Liaoning University Hydraulic support unit and hydraulic support for anti-rock burst roadway

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928884C (de) * 1942-03-01 1955-06-13 Mitteldeutsche Stahlwerke G M Unter Stuetzdruck gegen den Abbaustoss vorschiebbarer Stuetzbock fuer das Hangende beim Abbau von Kohle oder anderem Mineral im Tiefbau
FR1017493A (fr) * 1949-08-09 1952-12-11 Machine pour l'exécution des travaux de soutènement des galeries de mines
US2729946A (en) * 1953-09-12 1956-01-10 Saarbergwerke Saarbrucken Saar Machine for installing metal mine props

Also Published As

Publication number Publication date
HU166916B (enrdf_load_stackoverflow) 1975-06-28
AU6004173A (en) 1975-03-06
DE2346853B2 (de) 1974-07-25
DE2346853A1 (de) 1974-04-04
US3854295A (en) 1974-12-17
DE2346853C3 (de) 1975-03-20
GB1389111A (en) 1975-04-03
AU467026B2 (en) 1975-11-13

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