BE521952A - - Google Patents

Info

Publication number
BE521952A
BE521952A BE521952DA BE521952A BE 521952 A BE521952 A BE 521952A BE 521952D A BE521952D A BE 521952DA BE 521952 A BE521952 A BE 521952A
Authority
BE
Belgium
Prior art keywords
freezing
product
tube
freezer
towards
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE521952A publication Critical patent/BE521952A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00Sinking shafts
    • E21D1/10Preparation of the ground
    • E21D1/12Preparation of the ground by freezing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE521952D BE521952A (nl)

Publications (1)

Publication Number Publication Date
BE521952A true BE521952A (nl)

Family

ID=157373

Family Applications (1)

Application Number Title Priority Date Filing Date
BE521952D BE521952A (nl)

Country Status (1)

Country Link
BE (1) BE521952A (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191266A (en) * 1977-03-04 1980-03-04 Wouter H. van Eek Process and installation for drilling holes in the earth's crust under freezing conditions
CN109763481A (zh) * 2019-01-30 2019-05-17 中国矿业大学 一种竖向分仓冻结的液氮冻结器及加工方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191266A (en) * 1977-03-04 1980-03-04 Wouter H. van Eek Process and installation for drilling holes in the earth's crust under freezing conditions
CN109763481A (zh) * 2019-01-30 2019-05-17 中国矿业大学 一种竖向分仓冻结的液氮冻结器及加工方法

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