NL300061A - - Google Patents

Info

Publication number
NL300061A
NL300061A NL300061DA NL300061A NL 300061 A NL300061 A NL 300061A NL 300061D A NL300061D A NL 300061DA NL 300061 A NL300061 A NL 300061A
Authority
NL
Netherlands
Application number
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 NL300061A publication Critical patent/NL300061A/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
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

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)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Pens And Brushes (AREA)
  • Details Of Valves (AREA)
NL300061D 1963-08-19 NL300061A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK50554A DE1255070B (de) 1963-08-19 1963-08-19 Setzpistole fuer hydraulische Grubenstempel des offenen Systems

Publications (1)

Publication Number Publication Date
NL300061A true NL300061A (en:Method)

Family

ID=7225665

Family Applications (1)

Application Number Title Priority Date Filing Date
NL300061D NL300061A (en:Method) 1963-08-19

Country Status (4)

Country Link
BE (1) BE651980A (en:Method)
DE (1) DE1255070B (en:Method)
GB (1) GB1005278A (en:Method)
NL (1) NL300061A (en:Method)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062654B (de) * 1956-04-03 1959-08-06 Kloeckner Bergbau Viktor Icker Hydraulischer Grubenstempel
DE1074532B (de) * 1956-05-30 1960-02-04 BWG Bergwerk- und Walzwerk Maschinenbau GmbH Duisburg Hydraulischer Grubenstempel
BE567926A (en:Method) * 1957-05-23
NL264813A (en:Method) * 1960-05-21

Also Published As

Publication number Publication date
DE1255070B (de) 1967-11-30
BE651980A (en:Method) 1964-12-16
GB1005278A (en) 1965-09-22

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