ES491245A0 - Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion - Google Patents

Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion

Info

Publication number
ES491245A0
ES491245A0 ES491245A ES491245A ES491245A0 ES 491245 A0 ES491245 A0 ES 491245A0 ES 491245 A ES491245 A ES 491245A ES 491245 A ES491245 A ES 491245A ES 491245 A0 ES491245 A0 ES 491245A0
Authority
ES
Spain
Prior art keywords
cantilever
cover
fitting frame
ready
turnable way
Prior art date
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
ES491245A
Other languages
English (en)
Other versions
ES8103263A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 DE19792918411 external-priority patent/DE2918411A1/de
Priority claimed from DE19792942093 external-priority patent/DE2942093A1/de
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES8103263A1 publication Critical patent/ES8103263A1/es
Publication of ES491245A0 publication Critical patent/ES491245A0/es
Granted 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/066—Pivoted cantilever extensions therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geology (AREA)
  • Body Structure For Vehicles (AREA)
  • Bridges Or Land Bridges (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)
  • Pivots And Pivotal Connections (AREA)
ES491245A 1979-05-08 1980-05-07 Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion Granted ES491245A0 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792918411 DE2918411A1 (de) 1979-05-08 1979-05-08 Ausbaurahmen fuer den strebausbau o.dgl.
DE19792942093 DE2942093A1 (de) 1979-10-18 1979-10-18 Schwenkeinrichtung fuer eine vorpfaendkappe

Publications (2)

Publication Number Publication Date
ES8103263A1 ES8103263A1 (es) 1981-02-16
ES491245A0 true ES491245A0 (es) 1981-02-16

Family

ID=25779009

Family Applications (1)

Application Number Title Priority Date Filing Date
ES491245A Granted ES491245A0 (es) 1979-05-08 1980-05-07 Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion

Country Status (8)

Country Link
US (1) US4347021A (es)
AU (1) AU535255B2 (es)
CS (1) CS253555B2 (es)
ES (1) ES491245A0 (es)
FR (1) FR2456210A1 (es)
GB (1) GB2048355A (es)
PL (1) PL123706B1 (es)
YU (1) YU43472B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107209A1 (de) * 1981-02-26 1982-09-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Kappenanstellvorrichtung
DE3115984A1 (de) * 1981-04-22 1982-11-25 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Kappenanstellvorrichtung
FR2576058B1 (fr) * 1985-01-15 1987-12-31 Bennes Marrel Pile de soutenement marchant, notamment pour les mines
GB2182704B (en) * 1985-11-08 1989-01-18 Dobson Park Ind Mine roof supports
DE3605236A1 (de) * 1986-02-19 1987-08-20 Gewerk Eisenhuette Westfalia Steuereinrichtung fuer untertaegige ausbaueinheiten
GB2192659B (en) * 1986-07-15 1990-04-11 Gullick Dobson Ltd Mine roof support roof engaging device
GB2196371B (en) * 1986-10-15 1990-05-09 Gullick Dobson Ltd Mine roof supports
DE102008029085B3 (de) * 2008-06-20 2010-01-28 Bucyrus Dbt Europe Gmbh Schildkappe für einen Schildausbau
CN109838265B (zh) * 2019-03-18 2024-04-02 中国矿业大学 一种沿空留巷端头支架迁移时保护顶板托盘的装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230745B (de) * 1965-03-06 1966-12-22 Hoesch Bergbautechnik G M B H An einer Kappe angelenkte Vorpfaendkappe
DE1224249B (de) * 1965-05-31 1966-09-08 Hermann Schwarz Kommanditgesel Ausbaugestell fuer einen schreitenden Grubenausbau
GB1234662A (es) * 1968-01-25 1971-06-09
GB1270115A (en) * 1969-03-05 1972-04-12 Bonser Engineering Ltd Improvements in or relating to mine roof support devices
DE2153496C3 (de) * 1971-10-27 1978-12-14 Thyssen Industrie Ag, 4300 Essen Schreitendes Strebausbaugestell
US3848928A (en) * 1973-02-12 1974-11-19 Taiheiyo Coal Mining Co Ltd Pantographic wall protector and automatic controlling device thereof
FR2263370A1 (en) * 1974-03-04 1975-10-03 Bennes Marrel Mine gallery roof support - has top member connected to swinging boom by cylinder operated intermediate arm
GB1517763A (en) * 1974-07-02 1978-07-12 Winkler J Underground mine roof support
DE2507263C2 (de) * 1975-02-20 1984-09-13 Johannes 4300 Essen Winkler Schildausbau mit Stabilisierungseinrichtung

Also Published As

Publication number Publication date
AU535255B2 (en) 1984-03-08
PL224052A1 (es) 1981-02-27
PL123706B1 (en) 1982-11-30
CS253555B2 (en) 1987-11-12
FR2456210A1 (fr) 1980-12-05
ES8103263A1 (es) 1981-02-16
US4347021A (en) 1982-08-31
AU5815480A (en) 1980-11-13
FR2456210B1 (es) 1983-08-05
GB2048355A (en) 1980-12-10
YU43472B (en) 1989-08-31
YU122880A (en) 1983-04-30

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303