SE8301718L - SET AND DEVICE FOR CAREFULLY LOWERING LINES THROUGH CULTURAL LAYERS - Google Patents

SET AND DEVICE FOR CAREFULLY LOWERING LINES THROUGH CULTURAL LAYERS

Info

Publication number
SE8301718L
SE8301718L SE8301718A SE8301718A SE8301718L SE 8301718 L SE8301718 L SE 8301718L SE 8301718 A SE8301718 A SE 8301718A SE 8301718 A SE8301718 A SE 8301718A SE 8301718 L SE8301718 L SE 8301718L
Authority
SE
Sweden
Prior art keywords
drill
crown
air
cultural
layers
Prior art date
Application number
SE8301718A
Other languages
Swedish (sv)
Other versions
SE454197B (en
SE8301718D0 (en
Inventor
Sven-Erik Bjerking
Sven-Goran Andersson
Original Assignee
Bjerking Sven Erik
Andersson Sven Goran
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 Bjerking Sven Erik, Andersson Sven Goran filed Critical Bjerking Sven Erik
Priority to SE8301718A priority Critical patent/SE454197B/en
Publication of SE8301718D0 publication Critical patent/SE8301718D0/en
Publication of SE8301718L publication Critical patent/SE8301718L/en
Publication of SE454197B publication Critical patent/SE454197B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Soil Working Implements (AREA)

Abstract

In the drilling method, a compressed air drill is used to drill through the soil. The outlet channel from the drill crown has a construction positioned to direct the main part of the air upwards away from the crown between the drill and the lining tube. The remainder of the air passes over the drill point and exhausts along the sides of the drill crown. Air passes down a channel (14, A) and because of the construction (141), some passes up through oblique channels (142, B). This arrangement acts as an ejector, pulling drilled material from the crown in one direction (C). Some air passes down to the crown in another direction (D) to exhaust in a further direction (E). (Provisional basic from Week 8446)
SE8301718A 1983-03-28 1983-03-28 Method for drilling, e.g. for insertion of piles SE454197B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8301718A SE454197B (en) 1983-03-28 1983-03-28 Method for drilling, e.g. for insertion of piles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8301718A SE454197B (en) 1983-03-28 1983-03-28 Method for drilling, e.g. for insertion of piles

Publications (3)

Publication Number Publication Date
SE8301718D0 SE8301718D0 (en) 1983-03-28
SE8301718L true SE8301718L (en) 1984-09-29
SE454197B SE454197B (en) 1988-04-11

Family

ID=20350569

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8301718A SE454197B (en) 1983-03-28 1983-03-28 Method for drilling, e.g. for insertion of piles

Country Status (1)

Country Link
SE (1) SE454197B (en)

Also Published As

Publication number Publication date
SE454197B (en) 1988-04-11
SE8301718D0 (en) 1983-03-28

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