AT302910B - Device for digging trenches for underground walls - Google Patents

Device for digging trenches for underground walls

Info

Publication number
AT302910B
AT302910B AT93371A AT93371A AT302910B AT 302910 B AT302910 B AT 302910B AT 93371 A AT93371 A AT 93371A AT 93371 A AT93371 A AT 93371A AT 302910 B AT302910 B AT 302910B
Authority
AT
Austria
Prior art keywords
underground walls
digging trenches
trenches
digging
underground
Prior art date
Application number
AT93371A
Other languages
German (de)
Original Assignee
Tone Boring Co
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
Priority claimed from JP9254670U external-priority patent/JPS4938330Y1/ja
Application filed by Tone Boring Co filed Critical Tone Boring Co
Application granted granted Critical
Publication of AT302910B publication Critical patent/AT302910B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/001—Drilling a non circular hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Paleontology (AREA)
  • Earth Drilling (AREA)
AT93371A 1970-09-19 1971-02-04 Device for digging trenches for underground walls AT302910B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9254570 1970-09-19
JP9254670U JPS4938330Y1 (en) 1970-09-19 1970-09-19

Publications (1)

Publication Number Publication Date
AT302910B true AT302910B (en) 1972-11-10

Family

ID=26433949

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93371A AT302910B (en) 1970-09-19 1971-02-04 Device for digging trenches for underground walls

Country Status (7)

Country Link
AT (1) AT302910B (en)
BE (1) BE762120A (en)
CA (1) CA919196A (en)
CH (1) CH532168A (en)
FR (1) FR2105794A5 (en)
NL (1) NL7102148A (en)
SE (1) SE389698B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355155A1 (en) * 1976-06-18 1978-01-13 Coyne & Bellier METHOD AND DEVICE FOR PERFORMING DEEP DRILLING
DE3911624A1 (en) * 1989-04-09 1990-10-11 Delmag Maschinenfabrik Tool for digging and undercutting slit trench - has cutting tool mounted on links pivoted to lower end of fixed frame
EP0685603B1 (en) * 1993-12-10 2002-05-02 Chemical Grouting Company Ltd. Multi-shaft excavating device
CN111827391B (en) * 2020-07-20 2022-09-09 安徽腾兴工程设备制造有限公司 Multilayer composite drill bit assembly for ditching operation

Also Published As

Publication number Publication date
CH532168A (en) 1972-12-31
NL7102148A (en) 1972-03-21
CA919196A (en) 1973-01-16
SE389698B (en) 1976-11-15
BE762120A (en) 1971-07-01
FR2105794A5 (en) 1972-04-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee