DE8709023U1 - - Google Patents

Info

Publication number
DE8709023U1
DE8709023U1 DE8709023U DE8709023U DE8709023U1 DE 8709023 U1 DE8709023 U1 DE 8709023U1 DE 8709023 U DE8709023 U DE 8709023U DE 8709023 U DE8709023 U DE 8709023U DE 8709023 U1 DE8709023 U1 DE 8709023U1
Authority
DE
Germany
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
DE8709023U
Other languages
German (de)
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.)
Bilfinger SE
Original Assignee
Bilfinger und Berger Bau AG
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 Bilfinger und Berger Bau AG filed Critical Bilfinger und Berger Bau AG
Priority to DE8709023U priority Critical patent/DE8709023U1/de
Publication of DE8709023U1 publication Critical patent/DE8709023U1/de
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/40Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • E21B3/04Rotary tables
    • E21B3/045Rotary tables movably mounted on the drilling structure or platform
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/021With a rotary table, i.e. a fixed rotary drive for a relatively advancing tool
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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
DE8709023U 1987-06-30 1987-06-30 Expired DE8709023U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8709023U DE8709023U1 (en) 1987-06-30 1987-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8709023U DE8709023U1 (en) 1987-06-30 1987-06-30

Publications (1)

Publication Number Publication Date
DE8709023U1 true DE8709023U1 (en) 1987-10-01

Family

ID=6809572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8709023U Expired DE8709023U1 (en) 1987-06-30 1987-06-30

Country Status (1)

Country Link
DE (1) DE8709023U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8905166U1 (en) * 1989-04-12 1990-06-28 Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De
FR2641016A1 (en) * 1988-12-26 1990-06-29 Morillon Corvol Courbot Public works machine which can be used in particular for installing posts
EP0383225A1 (en) * 1989-02-16 1990-08-22 AG Heinr. Hatt-Haller Hoch- & Tiefbau-Unternehmung Device for the detachable connection of a rotary table to a drill pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641016A1 (en) * 1988-12-26 1990-06-29 Morillon Corvol Courbot Public works machine which can be used in particular for installing posts
EP0383225A1 (en) * 1989-02-16 1990-08-22 AG Heinr. Hatt-Haller Hoch- & Tiefbau-Unternehmung Device for the detachable connection of a rotary table to a drill pipe
CH675449A5 (en) * 1989-02-16 1990-09-28 Hatt Haller Heinr Hoch Tiefbau
DE8905166U1 (en) * 1989-04-12 1990-06-28 Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De

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