FR2257775B3 - - Google Patents

Info

Publication number
FR2257775B3
FR2257775B3 FR7415980A FR7415980A FR2257775B3 FR 2257775 B3 FR2257775 B3 FR 2257775B3 FR 7415980 A FR7415980 A FR 7415980A FR 7415980 A FR7415980 A FR 7415980A FR 2257775 B3 FR2257775 B3 FR 2257775B3
Authority
FR
France
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
FR7415980A
Other languages
French (fr)
Other versions
FR2257775A1 (en
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
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2257775A1 publication Critical patent/FR2257775A1/fr
Application granted granted Critical
Publication of FR2257775B3 publication Critical patent/FR2257775B3/fr
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
    • E21D23/0004—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
    • E21D23/0013—Frame type supports
    • 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
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials

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)
  • Building Awnings And Sunshades (AREA)
  • Road Signs Or Road Markings (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Foundations (AREA)
FR7415980A 1974-01-16 1974-05-09 Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends Granted FR2257775A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742401832 DE2401832C2 (de) 1974-01-16 1974-01-16 An schreitendem Ausbau nachgeführte Versatzwand, insbesondere für mächtige Flöze und Spülversatz

Publications (2)

Publication Number Publication Date
FR2257775A1 FR2257775A1 (en) 1975-08-08
FR2257775B3 true FR2257775B3 (en, 2012) 1977-03-11

Family

ID=5904855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415980A Granted FR2257775A1 (en) 1974-01-16 1974-05-09 Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends

Country Status (4)

Country Link
CS (1) CS202544B2 (en, 2012)
DE (1) DE2401832C2 (en, 2012)
FR (1) FR2257775A1 (en, 2012)
PL (1) PL93301B1 (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600116B1 (fr) * 1986-06-13 1988-07-08 Charbonnages De France Pile de soutenement mecanise pour tailles remblayees pneumatiquement
DE3721135A1 (de) * 1987-06-26 1989-01-05 Kloeckner Becorit Gmbh Strebausbau fuer strebe mit blasversatz
DE4330086C1 (de) * 1993-09-06 1995-03-30 Hemscheidt Maschf Hermann Hydraulisches Schildausbaugestell für einen Spülversatzstreb
CN113006863B (zh) * 2021-04-14 2021-11-26 中国矿业大学 一种自动化充气式充填袋装置及工作面充填的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294729B (de) * 1968-12-11 1971-11-15 Tatabanyai Szenbanyak Wandernde strebausruestung fuer versatzstrebe

Also Published As

Publication number Publication date
PL93301B1 (en, 2012) 1977-05-30
DE2401832A1 (de) 1975-07-24
CS202544B2 (en) 1981-01-30
DE2401832C2 (de) 1984-04-05
FR2257775A1 (en) 1975-08-08

Similar Documents

Publication Publication Date Title
FR2264351B1 (en, 2012)
FR2260441A1 (en, 2012)
FR2263173B1 (en, 2012)
FI750947A7 (en, 2012)
FR2257775B3 (en, 2012)
AU7891375A (en, 2012)
DK137419C (en, 2012)
FI51238B (en, 2012)
DK15274A (en, 2012)
DE2434838A1 (en, 2012)
AU6717074A (en, 2012)
AU7205174A (en, 2012)
CS165765B1 (en, 2012)
CS162546B1 (en, 2012)
BG20464A1 (en, 2012)
BG20159A1 (en, 2012)
CH612690A5 (en, 2012)
CH581571A5 (en, 2012)
BG20681A1 (en, 2012)
BG20647A1 (en, 2012)
BG20637A1 (en, 2012)
BG20636A1 (en, 2012)
BG20518A1 (en, 2012)
BG20476A1 (en, 2012)
DD115341A1 (en, 2012)

Legal Events

Date Code Title Description
ST Notification of lapse