GB1050951A - - Google Patents

Info

Publication number
GB1050951A
GB1050951A GB1050951DA GB1050951A GB 1050951 A GB1050951 A GB 1050951A GB 1050951D A GB1050951D A GB 1050951DA GB 1050951 A GB1050951 A GB 1050951A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
relieve
fluid
jan
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1050951A publication Critical patent/GB1050951A/en
Active 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
    • E21D15/50—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
    • E21D15/512—Arrangement of valves

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)
  • Earth Drilling (AREA)
  • Safety Valves (AREA)
GB1050951D 1963-01-26 Active GB1050951A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG36909A DE1195251B (de) 1963-01-26 1963-01-26 Ventilanordnung fuer hydraulische Grubenstempel

Publications (1)

Publication Number Publication Date
GB1050951A true GB1050951A (da)

Family

ID=7125502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1050951D Active GB1050951A (da) 1963-01-26

Country Status (4)

Country Link
BE (1) BE642929A (da)
DE (1) DE1195251B (da)
GB (1) GB1050951A (da)
NL (1) NL6400493A (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152635A (en) * 1984-01-05 1985-08-07 Dobson Park Ind Valve devices

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239648B (de) * 1965-07-08 1967-05-03 Hoesch Bergbautechnik G M B H Hydraulischer Grubenstempel
DE1583067B1 (de) * 1967-09-02 1970-11-19 Thyssen Huette Ag Ventil fuer hydraulische Grubenstempel
AT339237B (de) * 1975-09-09 1977-10-10 Voest Ag Hydraulischer grubenstempel
DE2636794C2 (de) * 1975-09-09 1982-06-09 Voest-Alpine AG, 1011 Wien Gebirgsschlagventil für hydraulische Grubenausbauelemente
US4237769A (en) * 1978-04-03 1980-12-09 Commercial Shearing, Inc. Relief valves and mine props incorporating the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1078516B (de) * 1956-07-17 1960-03-31 Bwg Bergwerk Walzwerk Nachgiebiger hydraulischer Grubenstempel
BE571152A (da) * 1957-09-13
DE1137405B (de) * 1959-07-11 1962-10-04 Kloeckner Werke Ag UEberdruckventile fuer den hydraulischen Grubenausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152635A (en) * 1984-01-05 1985-08-07 Dobson Park Ind Valve devices

Also Published As

Publication number Publication date
BE642929A (da) 1964-05-15
DE1195251B (de) 1965-06-24
NL6400493A (da) 1964-07-27

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