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HU9500246D0 - Water-hydraulic tubular prop - Google Patents

Water-hydraulic tubular prop

Info

Publication number
HU9500246D0
HU9500246D0 HU9500246A HU9500246A HU9500246D0 HU 9500246 D0 HU9500246 D0 HU 9500246D0 HU 9500246 A HU9500246 A HU 9500246A HU 9500246 A HU9500246 A HU 9500246A HU 9500246 D0 HU9500246 D0 HU 9500246D0
Authority
HU
Hungary
Prior art keywords
water
hydraulic tubular
tubular prop
prop
hydraulic
Prior art date
Application number
HU9500246A
Other languages
Hungarian (hu)
Other versions
HUT67954A (en
Inventor
Fritz Hoelken
Original Assignee
Langerbein Scharf Gmbh Und Co
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 Langerbein Scharf Gmbh Und Co filed Critical Langerbein Scharf Gmbh Und Co
Publication of HU9500246D0 publication Critical patent/HU9500246D0/en
Publication of HUT67954A publication Critical patent/HUT67954A/en

Links

Classifications

    • 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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Pipe Accessories (AREA)
  • Supports For Pipes And Cables (AREA)
HU9500246A 1992-07-28 1993-07-17 Water-hydraulic tubular prop HUT67954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4224852A DE4224852C2 (en) 1992-07-28 1992-07-28 Pipe support, especially for underground mining and tunneling

Publications (2)

Publication Number Publication Date
HU9500246D0 true HU9500246D0 (en) 1995-03-28
HUT67954A HUT67954A (en) 1995-05-29

Family

ID=6464260

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9500246A HUT67954A (en) 1992-07-28 1993-07-17 Water-hydraulic tubular prop

Country Status (7)

Country Link
CN (1) CN1085289A (en)
AU (1) AU4416693A (en)
DE (1) DE4224852C2 (en)
HU (1) HUT67954A (en)
PL (1) PL307065A1 (en)
WO (1) WO1994002709A1 (en)
ZA (1) ZA935391B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29507774U1 (en) * 1995-04-20 1995-08-24 Kolk, Theodor, 45721 Haltern Extension support for underground mining or tunnel construction
US20130121774A1 (en) * 2011-11-16 2013-05-16 DU Technologies, Inc. Crib Bag
CN105401964B (en) * 2015-11-25 2017-09-22 安徽理工大学 It is a kind of to indicate the mining bracket of roof pressure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249704A (en) * 1959-03-23
DE1162791B (en) * 1961-12-27 1964-02-13 Bergin G M B H Elastic protective cover for the outside stamp of hydraulic support columns
ZA745649B (en) * 1974-09-05 1975-12-31 Mine Support Syst Pty Ltd Compressible mine support
GB2100318A (en) * 1981-05-13 1982-12-22 Ogc Research & Dev Ltd Improvements in and relating to support members

Also Published As

Publication number Publication date
DE4224852C2 (en) 1997-06-12
DE4224852A1 (en) 1994-02-03
PL307065A1 (en) 1995-05-02
CN1085289A (en) 1994-04-13
AU4416693A (en) 1994-02-14
WO1994002709A1 (en) 1994-02-03
ZA935391B (en) 1994-03-17
HUT67954A (en) 1995-05-29

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Legal Events

Date Code Title Description
DFD9 Temporary prot. cancelled due to non-payment of fee