FR2156602B1 - - Google Patents

Info

Publication number
FR2156602B1
FR2156602B1 FR7233441A FR7233441A FR2156602B1 FR 2156602 B1 FR2156602 B1 FR 2156602B1 FR 7233441 A FR7233441 A FR 7233441A FR 7233441 A FR7233441 A FR 7233441A FR 2156602 B1 FR2156602 B1 FR 2156602B1
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
FR7233441A
Other languages
French (fr)
Other versions
FR2156602A1 (show.php
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 FR2156602A1 publication Critical patent/FR2156602A1/fr
Application granted granted Critical
Publication of FR2156602B1 publication Critical patent/FR2156602B1/fr
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
    • E21D23/04—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
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR7233441A 1971-10-02 1972-09-21 Expired FR2156602B1 (show.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7137476 1971-10-02

Publications (2)

Publication Number Publication Date
FR2156602A1 FR2156602A1 (show.php) 1973-06-01
FR2156602B1 true FR2156602B1 (show.php) 1976-10-29

Family

ID=6624254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233441A Expired FR2156602B1 (show.php) 1971-10-02 1972-09-21

Country Status (2)

Country Link
BE (1) BE789314A (show.php)
FR (1) FR2156602B1 (show.php)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276658A (en) * 1968-10-03 1972-06-07 Gullick Dobson Ltd Improvements in or relating to means for directing or manoeuvring mineral working or like equipment in relation to a mineral face or terrain to be mined or worked with the aid of such equipment

Also Published As

Publication number Publication date
BE789314A (fr) 1973-01-15
FR2156602A1 (show.php) 1973-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse