GB1239517A - - Google Patents

Info

Publication number
GB1239517A
GB1239517A GB1239517DA GB1239517A GB 1239517 A GB1239517 A GB 1239517A GB 1239517D A GB1239517D A GB 1239517DA GB 1239517 A GB1239517 A GB 1239517A
Authority
GB
United Kingdom
Prior art keywords
props
conveyer
trough
unit
face
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
Other languages
English (en)
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 filed Critical
Publication of GB1239517A publication Critical patent/GB1239517A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/10—Anchorings for conveyors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Framework For Endless Conveyors (AREA)
GB1239517D 1969-08-13 1969-11-14 Expired GB1239517A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1941094A DE1941094C3 (de) 1969-08-13 1969-08-13 Abspannvorrichtung eines Strebförderers in der Strecke

Publications (1)

Publication Number Publication Date
GB1239517A true GB1239517A (enrdf_load_stackoverflow) 1971-07-14

Family

ID=5742622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239517D Expired GB1239517A (enrdf_load_stackoverflow) 1969-08-13 1969-11-14

Country Status (4)

Country Link
US (1) US3691775A (enrdf_load_stackoverflow)
DE (1) DE1941094C3 (enrdf_load_stackoverflow)
FR (1) FR2048607A5 (enrdf_load_stackoverflow)
GB (1) GB1239517A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219272A1 (de) * 1972-04-20 1973-11-08 Gewerk Eisenhuette Westfalia Vorrichtung zur verankerung der antriebsstation, insbesondere der hilfsantriebsstation, eines kettenkratzfoerderers in bergbau-gewinnungsbetrieben
DE2319966C3 (de) * 1973-04-19 1981-07-23 Maschinenfabrik Glückauf Beukenberg GmbH & Co, 4650 Gelsenkirchen Abspannvorrichtung
DE2350401B2 (de) * 1973-10-08 1976-05-06 Rheinstahl Ag, 4300 Essen Widerlagerbalken zum ruecken der mit ihm verbundenen ausbaueinheiten und eines strebfoerderers
DE2712388C2 (de) * 1977-03-22 1986-04-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Abspanneinrichtung für Förder- und/oder Gewinnungsanlagen in untertägigen Gewinnungsbetrieben
GB2469815B (en) * 2009-04-28 2012-08-29 Joy Mm Delaware Inc Armoured face conveyor extendable at head gate end
US8636140B2 (en) 2010-04-26 2014-01-28 Joy Mm Delaware, Inc. Chain tension sensor
CN103967518B (zh) * 2014-05-15 2015-12-09 中国新型建材设计研究院 螺旋式处置溜井堵漏的方法

Also Published As

Publication number Publication date
FR2048607A5 (enrdf_load_stackoverflow) 1971-03-19
US3691775A (en) 1972-09-19
DE1941094A1 (de) 1971-02-25
DE1941094C3 (de) 1978-09-14
DE1941094B2 (de) 1978-01-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee