PL307065A1 - Hydraulic tubular prop - Google Patents

Hydraulic tubular prop

Info

Publication number
PL307065A1
PL307065A1 PL93307065A PL30706593A PL307065A1 PL 307065 A1 PL307065 A1 PL 307065A1 PL 93307065 A PL93307065 A PL 93307065A PL 30706593 A PL30706593 A PL 30706593A PL 307065 A1 PL307065 A1 PL 307065A1
Authority
PL
Poland
Prior art keywords
hydraulic tubular
tubular prop
prop
hydraulic
tubular
Prior art date
Application number
PL93307065A
Other languages
English (en)
Inventor
Fritz Hoelken
Original Assignee
Langerbein Scharf Gmbh U Co Kg
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 U Co Kg filed Critical Langerbein Scharf Gmbh U Co Kg
Publication of PL307065A1 publication Critical patent/PL307065A1/xx

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)
PL93307065A 1992-07-28 1993-07-17 Hydraulic tubular prop PL307065A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4224852A DE4224852C2 (de) 1992-07-28 1992-07-28 Rohrstütze, insbesondere für den untertägigen Berg- und Tunnelbau

Publications (1)

Publication Number Publication Date
PL307065A1 true PL307065A1 (en) 1995-05-02

Family

ID=6464260

Family Applications (1)

Application Number Title Priority Date Filing Date
PL93307065A PL307065A1 (en) 1992-07-28 1993-07-17 Hydraulic tubular prop

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514137C2 (de) * 1995-04-20 1997-02-13 Theodor Kolk Ausbaustütze für den untertägigen Berg- oder Tunnelbau
US20130121774A1 (en) * 2011-11-16 2013-05-16 DU Technologies, Inc. Crib Bag
CN105401964B (zh) * 2015-11-25 2017-09-22 安徽理工大学 一种能够指示顶板压力的矿用支架

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249704A (de) * 1959-03-23
DE1162791B (de) * 1961-12-27 1964-02-13 Bergin G M B H Elastische Schutzhuelle fuer den Aussenstempel von hydraulischen Tragsaeulen
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
ZA935391B (en) 1994-03-17
DE4224852C2 (de) 1997-06-12
DE4224852A1 (de) 1994-02-03
WO1994002709A1 (de) 1994-02-03
HUT67954A (en) 1995-05-29
AU4416693A (en) 1994-02-14
HU9500246D0 (en) 1995-03-28
CN1085289A (zh) 1994-04-13

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