NL6510982A - - Google Patents

Info

Publication number
NL6510982A
NL6510982A NL6510982A NL6510982A NL6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A NL 6510982 A NL6510982 A NL 6510982A
Authority
NL
Netherlands
Application number
NL6510982A
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
Priority to DEG41030A priority Critical patent/DE1209532B/de
Application filed filed Critical
Priority to NL6510982A priority patent/NL6510982A/xx
Priority to FR29888A priority patent/FR1463025A/fr
Priority to GB4704765A priority patent/GB1120127A/en
Priority to US511645A priority patent/US3395619A/en
Publication of NL6510982A publication Critical patent/NL6510982A/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)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Clamps And Clips (AREA)
NL6510982A 1964-07-08 1965-08-23 NL6510982A (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEG41030A DE1209532B (de) 1964-07-08 1964-07-08 Hydraulischer Grubenstempel
NL6510982A NL6510982A (enrdf_load_stackoverflow) 1965-08-23 1965-08-23
FR29888A FR1463025A (fr) 1965-08-23 1965-08-31 étançon hydraulique, utilisable dans les mines
GB4704765A GB1120127A (en) 1965-08-23 1965-11-05 Improvements in or relating to hydraulic pit props
US511645A US3395619A (en) 1965-08-23 1965-12-06 Hydraulic propping apparatus with automatic overload protection means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6510982A NL6510982A (enrdf_load_stackoverflow) 1965-08-23 1965-08-23

Publications (1)

Publication Number Publication Date
NL6510982A true NL6510982A (enrdf_load_stackoverflow) 1967-02-24

Family

ID=19793943

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6510982A NL6510982A (enrdf_load_stackoverflow) 1964-07-08 1965-08-23

Country Status (2)

Country Link
GB (1) GB1120127A (enrdf_load_stackoverflow)
NL (1) NL6510982A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339989A (en) 1978-12-18 1982-07-20 Webster Raymond G Hydraulic rams

Also Published As

Publication number Publication date
GB1120127A (en) 1968-07-17

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