FR2415719B1 - - Google Patents

Info

Publication number
FR2415719B1
FR2415719B1 FR7836622A FR7836622A FR2415719B1 FR 2415719 B1 FR2415719 B1 FR 2415719B1 FR 7836622 A FR7836622 A FR 7836622A FR 7836622 A FR7836622 A FR 7836622A FR 2415719 B1 FR2415719 B1 FR 2415719B1
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
FR7836622A
Other languages
French (fr)
Other versions
FR2415719A1 (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 FR2415719A1 publication Critical patent/FR2415719A1/en
Application granted granted Critical
Publication of FR2415719B1 publication Critical patent/FR2415719B1/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
    • E21D23/04—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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

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)
  • Framework For Endless Conveyors (AREA)
  • Processing Of Meat And Fish (AREA)
FR7836622A 1978-01-28 1978-12-28 Mine support system for sloping seams - has arm on height adjustable beam on face conveyor to swing adjacent support sideways Granted FR2415719A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782803816 DE2803816A1 (en) 1978-01-28 1978-01-28 EQUIPMENT FOR THE FINAL SUPPORT OF A STEP EXTENSION IN INCLINED AND STEEP POSITIONING

Publications (2)

Publication Number Publication Date
FR2415719A1 FR2415719A1 (en) 1979-08-24
FR2415719B1 true FR2415719B1 (en) 1983-10-21

Family

ID=6030658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836622A Granted FR2415719A1 (en) 1978-01-28 1978-12-28 Mine support system for sloping seams - has arm on height adjustable beam on face conveyor to swing adjacent support sideways

Country Status (3)

Country Link
DE (1) DE2803816A1 (en)
FR (1) FR2415719A1 (en)
PL (1) PL115454B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942943C2 (en) * 1979-10-24 1981-11-26 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Device for maintaining the specified center-to-center distance of the support elements of a step support for the dismantling of long fronts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054651A (en) * 1900-01-01
GB1153573A (en) * 1965-07-17 1969-05-29 Dobson Ltd W E & F Improvements in or relating to Mine Roof Support systems
DE1277789B (en) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulically moving support frame
DE2355234A1 (en) * 1973-11-05 1975-05-07 Groetschel Karl Maria Dipl Ber DEVICE FOR ADJUSTING THE WALKING DIRECTION OF A GROUP OF WALKING EXTENSIONS
DE2455938C2 (en) * 1974-11-27 1976-09-02 Ruhrkohle Ag DEVICE FOR ALIGNING THE BOTTOM SHIELD OF A STRUT WITH SHIELD EXTENSION

Also Published As

Publication number Publication date
DE2803816A1 (en) 1979-08-09
PL115454B1 (en) 1981-04-30
PL213016A1 (en) 1979-12-17
FR2415719A1 (en) 1979-08-24

Similar Documents

Publication Publication Date Title
FR2414949B1 (en)
FR2417144B1 (en)
FR2414367B1 (en)
FR2416086B1 (en)
FR2415781B1 (en)
FR2417014B2 (en)
FR2415719B1 (en)
AU3803078A (en)
FR2415226B1 (en)
FR2413905B3 (en)
DK461578A (en)
AU3892778A (en)
BG25973A1 (en)
BG25952A1 (en)
BG26017A1 (en)
BG26015A1 (en)
BG26014A1 (en)
BG26013A1 (en)
BG26012A1 (en)
BG26009A1 (en)
BG26008A1 (en)
BG26007A1 (en)
BG25871A1 (en)
BG25974A1 (en)
BG25872A1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse