BE732629A - - Google Patents

Info

Publication number
BE732629A
BE732629A BE732629DA BE732629A BE 732629 A BE732629 A BE 732629A BE 732629D A BE732629D A BE 732629DA BE 732629 A BE732629 A BE 732629A
Authority
BE
Belgium
Prior art keywords
het
dat
bet
van
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
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 NL6806778A external-priority patent/NL6806778A/xx
Priority claimed from NL6806780A external-priority patent/NL6806780A/xx
Priority claimed from NL6902809A external-priority patent/NL6902809A/xx
Application filed filed Critical
Publication of BE732629A publication Critical patent/BE732629A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/20Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/201Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes with helical conveying means
    • E21B7/203Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes with helical conveying means using down-hole drives
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/005Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE732629D 1968-05-14 1969-05-07 BE732629A (https=)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL6806778A NL6806778A (https=) 1968-05-14 1968-05-14
NL6806780A NL6806780A (https=) 1968-05-14 1968-05-14
NL6902809A NL6902809A (https=) 1969-02-22 1969-02-22

Publications (1)

Publication Number Publication Date
BE732629A true BE732629A (https=) 1969-10-16

Family

ID=27351445

Family Applications (1)

Application Number Title Priority Date Filing Date
BE732629D BE732629A (https=) 1968-05-14 1969-05-07

Country Status (1)

Country Link
BE (1) BE732629A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349000A1 (fr) * 1976-04-21 1977-11-18 Helvoirt C Dispositif pour perforer un trou dans une digue ou un autre element du meme type
FR2526855A1 (fr) * 1982-05-14 1983-11-18 Daiho Construction Co Ltd Appareil pour creuser des tunnels horizontaux
EP0122103A1 (en) * 1983-04-06 1984-10-17 Hughes Douglas Harrison Machine for boring tunnels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349000A1 (fr) * 1976-04-21 1977-11-18 Helvoirt C Dispositif pour perforer un trou dans une digue ou un autre element du meme type
FR2526855A1 (fr) * 1982-05-14 1983-11-18 Daiho Construction Co Ltd Appareil pour creuser des tunnels horizontaux
EP0122103A1 (en) * 1983-04-06 1984-10-17 Hughes Douglas Harrison Machine for boring tunnels

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DER KINDEREN JACOBUS

Effective date: 19860531