FR1426010A - Mine prop - Google Patents

Mine prop

Info

Publication number
FR1426010A
FR1426010A FR8431A FR8431A FR1426010A FR 1426010 A FR1426010 A FR 1426010A FR 8431 A FR8431 A FR 8431A FR 8431 A FR8431 A FR 8431A FR 1426010 A FR1426010 A FR 1426010A
Authority
FR
France
Prior art keywords
mine prop
prop
mine
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
FR8431A
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment Ltd
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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Application granted granted Critical
Publication of FR1426010A publication Critical patent/FR1426010A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/04—Cantilever extension or similar protecting devices for use in longwall working
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
  • Tents Or Canopies (AREA)
  • Pivots And Pivotal Connections (AREA)
FR8431A 1964-03-09 1965-03-09 Mine prop Expired FR1426010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9871/64A GB1100592A (en) 1964-03-09 1964-03-09 Roof support suitable for use in mines

Publications (1)

Publication Number Publication Date
FR1426010A true FR1426010A (en) 1966-01-24

Family

ID=9880322

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8431A Expired FR1426010A (en) 1964-03-09 1965-03-09 Mine prop

Country Status (3)

Country Link
US (1) US3364682A (en)
FR (1) FR1426010A (en)
GB (1) GB1100592A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182188B (en) * 1956-06-05 1964-11-26 Hoesch Ag Vorpfaendeinrichtung
FR1198866A (en) * 1957-02-16 1959-12-10 Rheinstahl Gmbh Wanheim Mine support
US3127748A (en) * 1960-05-10 1964-04-07 Gullick Ltd Mine roof supports
FR1329039A (en) * 1962-04-26 1963-06-07 Device for mounting extension bars for supports in mines

Also Published As

Publication number Publication date
US3364682A (en) 1968-01-23
GB1100592A (en) 1968-01-24

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