BE727824A - - Google Patents

Info

Publication number
BE727824A
BE727824A BE727824DA BE727824A BE 727824 A BE727824 A BE 727824A BE 727824D A BE727824D A BE 727824DA BE 727824 A BE727824 A BE 727824A
Authority
BE
Belgium
Application number
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 DE19681608288 external-priority patent/DE1608288B1/de
Application filed filed Critical
Publication of BE727824A publication Critical patent/BE727824A/xx

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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Road Paving Machines (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
BE727824D 1968-03-12 1969-02-03 BE727824A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681608288 DE1608288B1 (de) 1968-03-12 1968-03-12 Ausricht- und Fuehrungseinrichtung fuer aus zwei parallel nebeneinander angordneten Rahmen bestehenden Ausbaugespanne

Publications (1)

Publication Number Publication Date
BE727824A true BE727824A (enrdf_load_html_response) 1969-07-16

Family

ID=5681511

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727824D BE727824A (enrdf_load_html_response) 1968-03-12 1969-02-03

Country Status (5)

Country Link
US (1) US3524321A (enrdf_load_html_response)
BE (1) BE727824A (enrdf_load_html_response)
FR (1) FR2003683A1 (enrdf_load_html_response)
GB (1) GB1248694A (enrdf_load_html_response)
PL (1) PL80887B1 (enrdf_load_html_response)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU464341B2 (en) * 1970-08-13 1975-08-21 Karl Maria Groetschel Improvements relating to advancing roof supports for mine workings
US4010618A (en) * 1974-01-19 1977-03-08 Dowty Mining Equipment Limited Mine roof support
DE2646563C3 (de) * 1976-10-15 1979-08-09 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Ausbau für den Saumbereich eines Strebs
PL113252B1 (en) * 1978-02-23 1980-11-29 Ts Osrodek P K Maszyn Gorniczy Walking roof supporting structure
DE3024465A1 (de) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitender ausbau fuer untertaegige gewinnungsbetriebe, insbesondere schildausbau
GB2165574B (en) * 1984-10-13 1987-11-18 Dowty Hucknall Limited Mine roof supports with anti toppling device
WO2020092265A1 (en) * 2018-10-29 2020-05-07 Joy Global Underground Mining Llc Roof support connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364412A (fr) * 1963-07-24 1964-06-19 Gewerk Eisenhuette Westfalia Soutènement hydraulique mobile utilisable au fond dans les mines
DE1236451B (de) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Zwischen zwei benachbarte Ausbaueinheiten einsetzbares Leitorgan
GB1218370A (en) * 1967-02-16 1971-01-06 Bergwerksverband Gmbh Advancing mine roof support units for mine workings

Also Published As

Publication number Publication date
FR2003683A1 (enrdf_load_html_response) 1969-11-14
PL80887B1 (enrdf_load_html_response) 1975-08-30
US3524321A (en) 1970-08-18
GB1248694A (en) 1971-10-06

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