DE2224438A1 - - Google Patents

Info

Publication number
DE2224438A1
DE2224438A1 DE19722224438 DE2224438A DE2224438A1 DE 2224438 A1 DE2224438 A1 DE 2224438A1 DE 19722224438 DE19722224438 DE 19722224438 DE 2224438 A DE2224438 A DE 2224438A DE 2224438 A1 DE2224438 A1 DE 2224438A1
Authority
DE
Germany
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.)
Granted
Application number
DE19722224438
Other versions
DE2224438C2 (de
DE2224438B1 (de
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
Priority to DE2224438A priority Critical patent/DE2224438C2/de
Priority to GB2243973A priority patent/GB1424276A/en
Priority to BE130960A priority patent/BE799353A/xx
Priority to AU55775/73A priority patent/AU474951B2/en
Priority to FR7318132A priority patent/FR2185748B3/fr
Priority to PL1973162656A priority patent/PL85831B1/pl
Priority to US361623A priority patent/US3896626A/en
Publication of DE2224438A1 publication Critical patent/DE2224438A1/de
Publication of DE2224438B1 publication Critical patent/DE2224438B1/de
Application granted granted Critical
Publication of DE2224438C2 publication Critical patent/DE2224438C2/de
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
    • E21D23/04—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
    • E21D23/0445—Extensions of the base member supporting the conveyor
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face

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)
  • Excavating Of Shafts Or Tunnels (AREA)
DE2224438A 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb Expired DE2224438C2 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2224438A DE2224438C2 (de) 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb
GB2243973A GB1424276A (en) 1972-05-19 1973-05-10 Shield type self advancing roof support system for supporting the roof of a longwall face in a mine
BE130960A BE799353A (fr) 1972-05-19 1973-05-10 Soutenement a boucliers pour galerie de taille en exploitation souterraine,
AU55775/73A AU474951B2 (en) 1972-05-19 1973-05-16 Shield type roof support system for controlling the roof at longwall faces in mines
FR7318132A FR2185748B3 (de) 1972-05-19 1973-05-18
PL1973162656A PL85831B1 (de) 1972-05-19 1973-05-18
US361623A US3896626A (en) 1972-05-19 1973-05-18 Mine lining and conveyor combination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2224438A DE2224438C2 (de) 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb

Publications (3)

Publication Number Publication Date
DE2224438A1 true DE2224438A1 (de) 1973-08-09
DE2224438B1 DE2224438B1 (de) 1973-08-09
DE2224438C2 DE2224438C2 (de) 1975-06-05

Family

ID=5845325

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2224438A Expired DE2224438C2 (de) 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb

Country Status (7)

Country Link
US (1) US3896626A (de)
AU (1) AU474951B2 (de)
BE (1) BE799353A (de)
DE (1) DE2224438C2 (de)
FR (1) FR2185748B3 (de)
GB (1) GB1424276A (de)
PL (1) PL85831B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522117A1 (de) * 1975-05-17 1976-12-02 Bochumer Eisen Heintzmann Liegendschwellenanordnung fuer ein schildausbaugestell
DE2522111B2 (de) * 1975-05-17 1978-10-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Schildausbaugespann mit Führungsvorrichtung
DE2554554C3 (de) * 1975-12-04 1984-05-24 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaueinheit für untertägige Strebbetriebe
JPS5329202A (en) * 1976-08-31 1978-03-18 Taiheiyo Eng Coal extracting method of long wall coal facing
AU554140B2 (en) * 1980-07-02 1986-08-07 Dana Corporation Thermally insulating coating on piston head
AU2010271330B2 (en) 2009-07-10 2014-09-11 Joy Global Underground Mining Llc Longwall mining roof supports

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB965172A (en) * 1962-04-06 1964-07-29 Gullick Ltd Improvements in or relating to roof supports for mines and the like
DE1219892B (de) * 1964-11-14 1966-06-30 Gewerk Eisenhuette Westfalia Steuerung eines Kohlenhobels
US3402015A (en) * 1965-10-14 1968-09-17 Universal Oil Prod Co Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides
GB1160513A (en) * 1966-03-04 1969-08-06 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
US3431738A (en) * 1967-06-06 1969-03-11 Karl Maria Groetschel Roof supporting systems for mine workings
GB1259785A (en) * 1968-04-26 1972-01-12 Gewerk Eisenhuette Westfalia A mineral mining installation
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
FR2037349A6 (de) * 1969-02-20 1970-12-31 Gewerk Eisenhuette Westfalia

Also Published As

Publication number Publication date
FR2185748A1 (de) 1974-01-04
AU5577573A (en) 1974-11-21
DE2224438C2 (de) 1975-06-05
GB1424276A (en) 1976-02-11
FR2185748B3 (de) 1976-05-07
AU474951B2 (en) 1976-08-05
BE799353A (fr) 1973-11-12
DE2224438B1 (de) 1973-08-09
US3896626A (en) 1975-07-29
PL85831B1 (de) 1976-05-31

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee