IT1044135B - Procedimento e dispositivo di scavo mediante getto di liquido ad alta velocita - Google Patents

Procedimento e dispositivo di scavo mediante getto di liquido ad alta velocita

Info

Publication number
IT1044135B
IT1044135B IT4943375A IT4943375A IT1044135B IT 1044135 B IT1044135 B IT 1044135B IT 4943375 A IT4943375 A IT 4943375A IT 4943375 A IT4943375 A IT 4943375A IT 1044135 B IT1044135 B IT 1044135B
Authority
IT
Italy
Prior art keywords
jet
gas
sound
parallell
surrounds
Prior art date
Application number
IT4943375A
Other languages
English (en)
Inventor
Yahiro Teruo
Yoshida Hiroshi
Original Assignee
Chemical Grout Co
Kajima Corp
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 Chemical Grout Co, Kajima Corp filed Critical Chemical Grout Co
Application granted granted Critical
Publication of IT1044135B publication Critical patent/IT1044135B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9206—Digging devices using blowing effect only, like jets or propellers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
IT4943375A 1974-09-30 1975-05-05 Procedimento e dispositivo di scavo mediante getto di liquido ad alta velocita IT1044135B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11160074A JPS5139904A (ja) 1974-09-30 1974-09-30 Kosokufunryunyorukutsusakukoho

Publications (1)

Publication Number Publication Date
IT1044135B true IT1044135B (it) 1980-03-20

Family

ID=14565454

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4943375A IT1044135B (it) 1974-09-30 1975-05-05 Procedimento e dispositivo di scavo mediante getto di liquido ad alta velocita

Country Status (3)

Country Link
JP (1) JPS5139904A (it)
IT (1) IT1044135B (it)
NL (1) NL165526C (it)

Also Published As

Publication number Publication date
JPS5441001B2 (it) 1979-12-06
JPS5139904A (ja) 1976-04-03
NL7504858A (nl) 1976-04-01
NL165526C (nl) 1981-04-15
NL165526B (nl) 1980-11-17
AU7625174A (en) 1976-06-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940530