DE3060979D1 - Chock - Google Patents

Chock

Info

Publication number
DE3060979D1
DE3060979D1 DE8080890002T DE3060979T DE3060979D1 DE 3060979 D1 DE3060979 D1 DE 3060979D1 DE 8080890002 T DE8080890002 T DE 8080890002T DE 3060979 T DE3060979 T DE 3060979T DE 3060979 D1 DE3060979 D1 DE 3060979D1
Authority
DE
Germany
Prior art keywords
chock
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.)
Expired
Application number
DE8080890002T
Other languages
English (en)
Inventor
Alfred Zitz
Andreas Dipl Ing Pakh
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.)
Voestalpine AG
Original Assignee
Voestalpine AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3491720&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3060979(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voestalpine AG filed Critical Voestalpine AG
Application granted granted Critical
Publication of DE3060979D1 publication Critical patent/DE3060979D1/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
    • E21D23/0004—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
    • 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

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)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Tents Or Canopies (AREA)
DE8080890002T 1979-01-23 1980-01-14 Chock Expired DE3060979D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT48079A AT361430B (de) 1979-01-23 1979-01-23 Ausbaubock

Publications (1)

Publication Number Publication Date
DE3060979D1 true DE3060979D1 (en) 1982-12-02

Family

ID=3491720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080890002T Expired DE3060979D1 (en) 1979-01-23 1980-01-14 Chock

Country Status (10)

Country Link
EP (1) EP0014188B1 (de)
JP (1) JPS55126700A (de)
AT (1) AT361430B (de)
AU (1) AU5480780A (de)
DE (1) DE3060979D1 (de)
ES (1) ES487915A1 (de)
HU (1) HU184230B (de)
IN (1) IN153639B (de)
PL (1) PL221456A1 (de)
YU (1) YU9880A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4016929C1 (en) * 1990-05-25 1991-09-26 Hermann Hemscheidt Maschinenfabrik Gmbh & Co., 5600 Wuppertal, De Roof support for mine - has canopy with bar hinged to floor skids by extendable props
CN1052526C (zh) * 1996-10-03 2000-05-17 中国矿业大学北京研究生部 轻型低位放顶煤液压支架
CN102704975B (zh) * 2012-06-29 2015-08-19 中国矿业大学 一种放顶煤工作面选煤液压支架

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2170295A5 (de) * 1971-11-18 1973-09-14 Alacchi Georges
GB1477136A (en) * 1973-10-18 1977-06-22 Dowty Mining Equipment Ltd Mine roof support
US4065929A (en) * 1976-03-08 1978-01-03 Atlantic Richfield Company Mine roof support and method in longwall mining of thick mineral seams
GB1557814A (en) * 1976-03-13 1979-12-12 Dowty Mining Equipment Ltd Mine roof support
DE7616114U1 (de) * 1976-05-20 1976-10-14 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Schildausbaugestell
FR2369414A1 (fr) * 1976-10-29 1978-05-26 Bennes Marrel Pile a bielles de soutirage, pour un soutenement marchant utilisable dans les mines
DE2705460A1 (de) * 1977-02-10 1978-08-17 Hemscheidt Maschf Hermann Gewinnungsverfahren fuer maechtige lagerstaetten
DE2808487C2 (de) * 1978-02-28 1986-10-02 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Abbaueinrichtung für den Abbau flözartiger Lagerstätten, insbesondere großer Mächtigkeit

Also Published As

Publication number Publication date
AU5480780A (en) 1980-07-31
EP0014188B1 (de) 1982-10-27
ATA48079A (de) 1980-08-15
ES487915A1 (es) 1980-10-01
HU184230B (en) 1984-07-30
JPS55126700A (en) 1980-09-30
AT361430B (de) 1981-03-10
EP0014188A1 (de) 1980-08-06
PL221456A1 (de) 1980-09-22
YU9880A (en) 1983-04-30
IN153639B (de) 1984-08-04

Similar Documents

Publication Publication Date Title
CS216180A2 (en) Zpusob vyroby oplatek
CS375080A2 (en) Vstrikovaci cerpadlo
CS458380A2 (en) Zpusob vyroby tripeptidamidu
CS486180A2 (en) Zpusob vyroby n-fosfonomethylglycinu
CS819480A2 (en) Bezpecnostni lyzarske vazani
CS265980A1 (en) Zpusob torkretovani vyzdivky hutnich agregatu rozptylovym kuzelem
CS458480A2 (en) Zpusob vyroby tripeptidamidu
CS819380A2 (en) Deskove bezpecnostni lyzarske vazani
GB2036257B (en) Roll
GB2060475B (en) Rollling mill
JPS55135044A (en) Projecting roll
CS149380A2 (en) Zpusob cisteni merkaptobenzothiazolu
GB2042679B (en) Roll
GB2066407B (en) Pig-trap
CS518580A2 (en) Proslupni ustroji tkaciho stroje
DE3060979D1 (en) Chock
CS175679A2 (en) Vodovaha
CA46372S (en) Sun-hole/windscreen-ii
CA44955S (en) Citruspress
CA46371S (en) Sun-hole/windscreen - iii
CA46370S (en) Sun-hole/windscreen - i
CA45704S (en) Citruspress
GR62930B (en) Mill
CS312580A1 (en) Prahovy prepinac rizeny silou tlaku
CS163482A2 (en) Povlakova hmota

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee