FR1510670A - Support device usable in particular in mines - Google Patents

Support device usable in particular in mines

Info

Publication number
FR1510670A
FR1510670A FR94267A FR94267A FR1510670A FR 1510670 A FR1510670 A FR 1510670A FR 94267 A FR94267 A FR 94267A FR 94267 A FR94267 A FR 94267A FR 1510670 A FR1510670 A FR 1510670A
Authority
FR
France
Prior art keywords
mines
support device
device usable
usable
support
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
FR94267A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1510670A publication Critical patent/FR1510670A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0206—Hydraulically operated extension devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/01—Machines which completely free the mineral from the seam specially adapted for removing overhanging coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/063—Retractable cantilever extensions 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)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR94267A 1966-03-01 1967-02-09 Support device usable in particular in mines Expired FR1510670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0046170 1966-03-01

Publications (1)

Publication Number Publication Date
FR1510670A true FR1510670A (en) 1968-01-19

Family

ID=7127942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR94267A Expired FR1510670A (en) 1966-03-01 1967-02-09 Support device usable in particular in mines

Country Status (4)

Country Link
US (1) US3441317A (en)
FR (1) FR1510670A (en)
GB (1) GB1124715A (en)
NL (1) NL6700923A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1494284A (en) * 1975-07-19 1977-12-07 Gullick Dobson Ltd Self-advancing mine roof supports
DE3631079A1 (en) * 1986-09-12 1988-03-24 Bochumer Eisen Heintzmann VIBRATION CONTROL FOR A HYDRAULIC CYLINDER
DE3631069A1 (en) * 1986-09-12 1988-03-24 Bochumer Eisen Heintzmann METHOD FOR SOLVING THE UPPER COAL
NO160936C (en) * 1987-02-24 1989-06-21 Arne Martin Lerstoel BUILDING CONSTRUCTION DEVICE.
RU2451183C1 (en) * 2010-11-29 2012-05-20 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" Shearing shield of powered roof support section

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716025A (en) * 1951-07-17 1955-08-23 Paul V Malloy Method and mining apparatus with movable roof supports

Also Published As

Publication number Publication date
US3441317A (en) 1969-04-29
NL6700923A (en) 1967-09-04
GB1124715A (en) 1968-08-21

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