GB1095641A - Hydraulically operated mine prop - Google Patents

Hydraulically operated mine prop

Info

Publication number
GB1095641A
GB1095641A GB5180364A GB5180364A GB1095641A GB 1095641 A GB1095641 A GB 1095641A GB 5180364 A GB5180364 A GB 5180364A GB 5180364 A GB5180364 A GB 5180364A GB 1095641 A GB1095641 A GB 1095641A
Authority
GB
United Kingdom
Prior art keywords
prop
chamber
oil
corrosion
hydraulically operated
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
GB5180364A
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.)
MARGOT VON LINSINGEN
Original Assignee
MARGOT VON LINSINGEN
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 MARGOT VON LINSINGEN filed Critical MARGOT VON LINSINGEN
Publication of GB1095641A publication Critical patent/GB1095641A/en
Expired legal-status Critical Current

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
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/515—Particular fluids not covered by any chemical subdivision
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Lubricants (AREA)
  • Earth Drilling (AREA)
GB5180364A 1964-01-31 1964-12-21 Hydraulically operated mine prop Expired GB1095641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB75240A DE1230744B (de) 1964-01-31 1964-01-31 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
GB1095641A true GB1095641A (en) 1967-12-20

Family

ID=6978585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5180364A Expired GB1095641A (en) 1964-01-31 1964-12-21 Hydraulically operated mine prop

Country Status (4)

Country Link
BE (1) BE658536A (enrdf_load_stackoverflow)
DE (1) DE1230744B (enrdf_load_stackoverflow)
GB (1) GB1095641A (enrdf_load_stackoverflow)
NL (1) NL6413084A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2812915A1 (fr) * 2000-08-11 2002-02-15 Luk Lamellen & Kupplungsbau Systeme hydraulique
CN104653202A (zh) * 2013-11-21 2015-05-27 中国矿业大学 双密封无活塞纯水单体液压支柱
CN111219382A (zh) * 2019-10-29 2020-06-02 北京天地玛珂电液控制系统有限公司 一种水介质矿用大流量安全阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660423B (zh) * 2009-09-17 2011-12-21 杨绍柏 单体液压支柱浮动式导向套

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL288874A (enrdf_load_stackoverflow) * 1962-03-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2812915A1 (fr) * 2000-08-11 2002-02-15 Luk Lamellen & Kupplungsbau Systeme hydraulique
CN104653202A (zh) * 2013-11-21 2015-05-27 中国矿业大学 双密封无活塞纯水单体液压支柱
CN111219382A (zh) * 2019-10-29 2020-06-02 北京天地玛珂电液控制系统有限公司 一种水介质矿用大流量安全阀

Also Published As

Publication number Publication date
DE1230744B (de) 1966-12-22
NL6413084A (enrdf_load_stackoverflow) 1965-08-02
BE658536A (enrdf_load_stackoverflow) 1965-07-20

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