ZA803161B - Roof supporting frame - Google Patents

Roof supporting frame

Info

Publication number
ZA803161B
ZA803161B ZA00803161A ZA803161A ZA803161B ZA 803161 B ZA803161 B ZA 803161B ZA 00803161 A ZA00803161 A ZA 00803161A ZA 803161 A ZA803161 A ZA 803161A ZA 803161 B ZA803161 B ZA 803161B
Authority
ZA
South Africa
Prior art keywords
supporting frame
roof supporting
roof
frame
supporting
Prior art date
Application number
ZA00803161A
Other languages
English (en)
Inventor
A Bollmann
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of ZA803161B publication Critical patent/ZA803161B/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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/063—Retractable cantilever extensions therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA00803161A 1979-07-12 1980-05-27 Roof supporting frame ZA803161B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2928151A DE2928151C2 (de) 1979-07-12 1979-07-12 Ausbaugestell

Publications (1)

Publication Number Publication Date
ZA803161B true ZA803161B (en) 1981-05-27

Family

ID=6075526

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00803161A ZA803161B (en) 1979-07-12 1980-05-27 Roof supporting frame

Country Status (4)

Country Link
US (1) US4309131A (xx)
AU (1) AU5893080A (xx)
DE (1) DE2928151C2 (xx)
ZA (1) ZA803161B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019697C2 (de) * 1980-05-23 1982-09-23 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorpfändeinrichtung für hydraulische Schreitausbaugestelle
ATE26862T1 (de) * 1982-11-09 1987-05-15 Scheuchzer Fils Auguste Verfahren zum auswechseln von einer schienenwegeinrichtung und bauzug zur durchfuehrung des verfahrens.
US5400994A (en) * 1991-01-22 1995-03-28 Dyckerhoff & Widmann Ag Of Munich Yieldable roof support system
US5626441A (en) * 1995-07-07 1997-05-06 Grebenyuk; Boris Sliding stabilizer
US8985699B2 (en) 2013-03-14 2015-03-24 Seneca Industries Inc. Mining methods and equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143862A (en) * 1958-08-11 1964-08-11 Dobson Ltd W E & F Support of roofs in mines
GB968668A (en) * 1959-07-11 1964-09-02 Hudswell Clarke & Co Ltd Improvements in or relating to chocks, props and roof supports for mines and the like
DE1152377B (de) * 1960-08-31 1963-08-08 H Joe Rheinbay Dipl Ing Hydraulisch betaetigte Vorrichtung fuer einen wandernden metallischen Ausbaurahmen fuer den Strebabbau
GB941767A (en) * 1961-03-06 1963-11-13 Dowty Mining Equipment Ltd Mine roof-supporting device
DE1919513U (de) * 1964-12-08 1965-07-15 Gewerk Eisenhuette Westfalia Druckmittelbetaetigter vorpfaendstempel.
FR2087677A5 (xx) * 1970-05-27 1971-12-31 Alacchi Georges
GB1394675A (en) * 1971-07-16 1975-05-21 Gullick Dobson Ltd Mine roof support systems
GB1548724A (en) * 1977-09-05 1979-07-18 Gullick Dobson Ltd Mine-roof supports

Also Published As

Publication number Publication date
US4309131A (en) 1982-01-05
AU5893080A (en) 1981-01-15
DE2928151C2 (de) 1982-06-16
DE2928151A1 (de) 1981-01-22

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