AT273013B - Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau - Google Patents

Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau

Info

Publication number
AT273013B
AT273013B AT423464A AT423464A AT273013B AT 273013 B AT273013 B AT 273013B AT 423464 A AT423464 A AT 423464A AT 423464 A AT423464 A AT 423464A AT 273013 B AT273013 B AT 273013B
Authority
AT
Austria
Prior art keywords
support device
hydraulic support
longwall mining
longwall
mining
Prior art date
Application number
AT423464A
Other languages
English (en)
Inventor
Karl Maria Groetschel
Original Assignee
Karl Maria Groetschel
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 Karl Maria Groetschel filed Critical Karl Maria Groetschel
Priority to BE652266D priority Critical patent/BE652266A/fr
Priority to ES0303470A priority patent/ES303470A1/es
Priority to NL6410054A priority patent/NL6410054A/xx
Priority to US690856A priority patent/US3490244A/en
Application granted granted Critical
Publication of AT273013B publication Critical patent/AT273013B/de

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
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential 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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tents Or Canopies (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
AT423464A 1963-08-29 1964-05-14 Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau AT273013B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE652266D BE652266A (de) 1963-08-29 1964-08-25
ES0303470A ES303470A1 (es) 1963-08-29 1964-08-26 Un procedimiento con su dispositivo para el apuntalamiento del techo en explotaciones mineras subterraneas.
NL6410054A NL6410054A (de) 1963-08-29 1964-08-28
US690856A US3490244A (en) 1963-08-29 1967-12-15 Support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0038575 1963-08-29

Publications (1)

Publication Number Publication Date
AT273013B true AT273013B (de) 1969-07-25

Family

ID=7125932

Family Applications (1)

Application Number Title Priority Date Filing Date
AT423464A AT273013B (de) 1963-08-29 1964-05-14 Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau

Country Status (4)

Country Link
US (1) US3371901A (de)
AT (1) AT273013B (de)
DE (1) DE1289506C2 (de)
GB (6) GB1069905A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1216953A (en) * 1968-10-12 1970-12-23 Gewerk Eisenhuette Westfalia Improvements in support assemblies for mineral mines
US3932082A (en) * 1974-01-21 1976-01-13 Beaman Samuel W Means for forming a reinforced concrete module
DE3215924C1 (de) * 1982-03-11 1988-01-21 Bergwerksverband Gmbh, 4300 Essen Vorrichtung zur Versatzverdichtung im Bereich der Hangenden
DE3238710C2 (de) * 1982-10-19 1986-10-23 TRW Repa GmbH, 7077 Alfdorf Antriebsvorrichtung mit in einem Zylinder pyrotechnisch angetriebenem Kolben
US5026218A (en) * 1989-11-16 1991-06-25 Joy Technologies Inc. Temporary roof support cylinder
US20080056853A1 (en) * 2006-09-05 2008-03-06 David Willis Mechanical load bearing device
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE532796A (de) *
US2910281A (en) * 1956-10-19 1959-10-27 Rheinstahl Wanheim Gmbh Prop and conveyer arrangement for mines
US2987290A (en) * 1956-12-03 1961-06-06 Haarmann Arnold Prop arrangement for mines
GB985401A (en) * 1961-05-13 1965-03-10 Rheinstahl Wanheim Gmbh Improvements in advanceable mine roof support assemblies
NL290436A (de) * 1962-03-20

Also Published As

Publication number Publication date
GB1069903A (en) 1967-05-24
GB1059682A (en) 1967-02-22
DE1289506B (de) 1969-02-20
GB1069905A (en) 1967-05-24
GB1069902A (en) 1967-05-24
GB1069901A (en) 1967-05-24
US3371901A (en) 1968-03-05
GB1069904A (en) 1967-05-24
DE1289506C2 (de) 1974-03-28

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