FR2176720A1 - - Google Patents

Info

Publication number
FR2176720A1
FR2176720A1 FR7308558A FR7308558A FR2176720A1 FR 2176720 A1 FR2176720 A1 FR 2176720A1 FR 7308558 A FR7308558 A FR 7308558A FR 7308558 A FR7308558 A FR 7308558A FR 2176720 A1 FR2176720 A1 FR 2176720A1
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.)
Granted
Application number
FR7308558A
Other languages
French (fr)
Other versions
FR2176720B1 (cg-RX-API-DMAC7.html
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke 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
Application filed by Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of FR2176720A1 publication Critical patent/FR2176720A1/fr
Application granted granted Critical
Publication of FR2176720B1 publication Critical patent/FR2176720B1/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
    • E21D23/08—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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7308558A 1972-03-22 1973-03-09 Expired FR2176720B1 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2213793A DE2213793A1 (de) 1972-03-22 1972-03-22 Schildausbau fuer den einsatz in untertaegigen abbaubetrieben

Publications (2)

Publication Number Publication Date
FR2176720A1 true FR2176720A1 (cg-RX-API-DMAC7.html) 1973-11-02
FR2176720B1 FR2176720B1 (cg-RX-API-DMAC7.html) 1975-10-31

Family

ID=5839705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308558A Expired FR2176720B1 (cg-RX-API-DMAC7.html) 1972-03-22 1973-03-09

Country Status (4)

Country Link
DE (1) DE2213793A1 (cg-RX-API-DMAC7.html)
FR (1) FR2176720B1 (cg-RX-API-DMAC7.html)
GB (1) GB1415244A (cg-RX-API-DMAC7.html)
ZA (1) ZA731148B (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540091C2 (de) * 1975-09-09 1982-06-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaugestell
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
CN100404789C (zh) * 2004-12-06 2008-07-23 煤炭科学研究总院太原分院 采煤巷道超前支护悬挂移动式液压支架
CN102720537B (zh) * 2012-06-12 2014-08-13 淮南矿业(集团)有限责任公司 上隅角液压充填装置
CN104121029A (zh) * 2013-04-28 2014-10-29 苑军 整体顶梁组合充填悬移液压支架
CN103557021B (zh) * 2013-11-15 2016-04-20 中煤北京煤矿机械有限责任公司 支架防拔后柱限位装置

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
6, DE JUIN 1961 'SOUTENEMENT MARCHANT EN UNION SOVIETIQUE' PAR ADAM, BORDONNE ET BOROVIKOFF, *
DU 13 DECEMBRE 1963 'MOBILE HYDRAULIC SUPPORTS', PAGES 1171 A 1172. *
L INDUSTRIE MINERALE' - EDITEE A PARIS PAR LA SOCIETE DE L INDUSTRIE MINERALE, VOLUME 43, NO. *
PAGES 373 A 398) *
REVUE FR 'REVUE DE *
REVUE GB *
REVUE GB 'COLLIERY ENGINEERING' EDITEE PAR DAVID BUNTAIN, PUBLIEE PAR TOTHILL PRESS A LONDRES *
'STEEL AND COAL' PUBLIEE PAR 'FUEL AND METALLURGICAL JOURNAL' A LONDRES, VOLUME 187, NO. 4978 *
VOLUME 41, NO. 485 DE JUILLET 1964 'RUSSIAN ROOF SUPPORTS FOR N.C.B.' PAGES 281 A 283 *

Also Published As

Publication number Publication date
DE2213793A1 (de) 1973-09-27
ZA731148B (en) 1973-11-28
GB1415244A (en) 1975-11-26
FR2176720B1 (cg-RX-API-DMAC7.html) 1975-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse