GB972367A - Hydraulic roof-support for mines - Google Patents

Hydraulic roof-support for mines

Info

Publication number
GB972367A
GB972367A GB18072/61A GB1807261A GB972367A GB 972367 A GB972367 A GB 972367A GB 18072/61 A GB18072/61 A GB 18072/61A GB 1807261 A GB1807261 A GB 1807261A GB 972367 A GB972367 A GB 972367A
Authority
GB
United Kingdom
Prior art keywords
cap
valve
incorporates
props
mines
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
GB18072/61A
Other languages
English (en)
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.)
EBERHARD VON CAMPENHAUSEN
WILLLY EGGEMANN
Original Assignee
EBERHARD VON CAMPENHAUSEN
WILLLY EGGEMANN
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 EBERHARD VON CAMPENHAUSEN, WILLLY EGGEMANN filed Critical EBERHARD VON CAMPENHAUSEN
Publication of GB972367A publication Critical patent/GB972367A/en
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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
    • E21D15/155—Built-in cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

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)
  • Structural Engineering (AREA)
  • Prostheses (AREA)
  • Press Drives And Press Lines (AREA)
GB18072/61A 1960-05-21 1961-05-18 Hydraulic roof-support for mines Expired GB972367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH27933A DE1132878B (de) 1960-05-21 1960-05-21 Hydraulisches Stuetzelement fuer den Grubenausbau

Publications (1)

Publication Number Publication Date
GB972367A true GB972367A (en) 1964-10-14

Family

ID=7430954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18072/61A Expired GB972367A (en) 1960-05-21 1961-05-18 Hydraulic roof-support for mines

Country Status (4)

Country Link
DE (1) DE1132878B (cs)
FR (1) FR1289337A (cs)
GB (1) GB972367A (cs)
NL (1) NL264813A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL300061A (cs) * 1963-08-19

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136080A (en) * 1934-09-19 1938-11-08 Sullivan Machinery Co Hydraulic abutment device
FR1075691A (fr) * 1953-03-16 1954-10-19 Nouvel étançon
DE1023436B (de) * 1955-11-24 1958-01-30 Hermann Schwarz Kommanditgesel Hydraulischer Grubenstempel
BE557875A (cs) * 1956-05-28
DE1024465B (de) * 1957-05-23 1958-02-20 Kronprinz Ag Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
DE1132878B (de) 1962-07-12
NL264813A (cs)
FR1289337A (fr) 1962-03-30

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