NL288874A - - Google Patents

Info

Publication number
NL288874A
NL288874A NL288874DA NL288874A NL 288874 A NL288874 A NL 288874A NL 288874D A NL288874D A NL 288874DA NL 288874 A NL288874 A NL 288874A
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 NL288874A publication Critical patent/NL288874A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/125Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00Vertical ducts; Channels, e.g. for drainage
    • E04F17/06Light shafts, e.g. for cellars
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/51Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/515Particular fluids not covered by any chemical subdivision

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Residential Or Office Buildings (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
NL288874D 1962-03-07 NL288874A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1962G0034418 DE1148958B (de) 1962-03-07 1962-03-07 Korrosionsgeschuetzter hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
NL288874A true NL288874A (zh)

Family

ID=7124926

Family Applications (1)

Application Number Title Priority Date Filing Date
NL288874D NL288874A (zh) 1962-03-07

Country Status (5)

Country Link
BE (1) BE629233A (zh)
DE (2) DE1148958B (zh)
FR (1) FR1349067A (zh)
GB (1) GB965891A (zh)
NL (1) NL288874A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230744B (de) * 1964-01-31 1966-12-22 Bochumer Eisen Heintzmann Hydraulischer Grubenstempel
FR2300894A1 (fr) * 1975-02-12 1976-09-10 Bennes Marrel Dispo
CN110307021B (zh) * 2019-07-29 2024-01-12 石家庄博安煤矿机械制造有限公司 一种煤矿用液压支撑装置

Also Published As

Publication number Publication date
BE629233A (zh)
DE1659776A1 (de) 1971-01-21
DE1148958B (de) 1963-05-22
GB965891A (zh) 1964-08-06
FR1349067A (fr) 1964-01-10

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