FR72612E - Improvement in the freezing process, in particular for digging wells and excavations in aquifers - Google Patents

Improvement in the freezing process, in particular for digging wells and excavations in aquifers

Info

Publication number
FR72612E
FR72612E FR738390A FR738390A FR72612E FR 72612 E FR72612 E FR 72612E FR 738390 A FR738390 A FR 738390A FR 738390 A FR738390 A FR 738390A FR 72612 E FR72612 E FR 72612E
Authority
FR
France
Prior art keywords
excavations
aquifers
improvement
freezing process
digging wells
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.)
Expired
Application number
FR738390A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FORAKY
Original Assignee
FORAKY
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
Application filed by FORAKY filed Critical FORAKY
Priority to FR738390A priority Critical patent/FR72612E/en
Application granted granted Critical
Publication of FR72612E publication Critical patent/FR72612E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/10—Preparation of the ground
    • E21D1/12—Preparation of the ground by freezing
    • E21D1/14—Freezing apparatus

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)
FR738390A 1957-05-13 1957-05-13 Improvement in the freezing process, in particular for digging wells and excavations in aquifers Expired FR72612E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR738390A FR72612E (en) 1957-05-13 1957-05-13 Improvement in the freezing process, in particular for digging wells and excavations in aquifers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR738390A FR72612E (en) 1957-05-13 1957-05-13 Improvement in the freezing process, in particular for digging wells and excavations in aquifers

Publications (1)

Publication Number Publication Date
FR72612E true FR72612E (en) 1960-04-22

Family

ID=8704376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738390A Expired FR72612E (en) 1957-05-13 1957-05-13 Improvement in the freezing process, in particular for digging wells and excavations in aquifers

Country Status (1)

Country Link
FR (1) FR72612E (en)

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