CH626685A5 - - Google Patents

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Publication number
CH626685A5
CH626685A5 CH208478A CH208478A CH626685A5 CH 626685 A5 CH626685 A5 CH 626685A5 CH 208478 A CH208478 A CH 208478A CH 208478 A CH208478 A CH 208478A CH 626685 A5 CH626685 A5 CH 626685A5
Authority
CH
Switzerland
Prior art keywords
drill bit
base plate
wing
swivel
shaped
Prior art date
Application number
CH208478A
Other languages
German (de)
English (en)
Inventor
Kurt Blaschke
Josef Roob
Original Assignee
Leffer Stahl & App
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 Leffer Stahl & App filed Critical Leffer Stahl & App
Publication of CH626685A5 publication Critical patent/CH626685A5/de

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CH208478A 1977-03-02 1978-02-27 CH626685A5 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2709030A DE2709030C2 (de) 1977-03-02 1977-03-02 Drehbohrkrone mit Schwenkflügeln

Publications (1)

Publication Number Publication Date
CH626685A5 true CH626685A5 (zh) 1981-11-30

Family

ID=6002585

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208478A CH626685A5 (zh) 1977-03-02 1978-02-27

Country Status (6)

Country Link
US (1) US4193462A (zh)
AT (1) AT375731B (zh)
CH (1) CH626685A5 (zh)
DE (1) DE2709030C2 (zh)
FR (1) FR2382547A1 (zh)
GB (1) GB1588551A (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8102625A1 (es) * 1980-02-25 1980-12-01 Pellicer Carlos F Perfeccionamientos en las herramientas para perforar mate- rias petreas
US4488606A (en) * 1981-04-27 1984-12-18 Hachiro Inoue Method of excavating an under-reamed pile bore
US4396076A (en) * 1981-04-27 1983-08-02 Hachiro Inoue Under-reaming pile bore excavator
US4494613A (en) * 1982-03-11 1985-01-22 Kabushiki Kaisha Komatsu Seisakusho Method and apparatus for driving hollow piles into the ground
US4448270A (en) * 1982-05-10 1984-05-15 Hughes Tool Company Variable diameter earth boring bit
WO1990002243A1 (en) * 1988-08-29 1990-03-08 Catawa Pty. Ltd. Drills for piles and soil stabilization
FR2648839B1 (fr) * 1989-06-21 1993-11-12 Louis Raymond Pieux de fondation, procedes, outils et machines pour la construction desdits pieux
US5067570A (en) * 1990-08-31 1991-11-26 Gilcrease John T Auger and retaining shell assembly
GB9620251D0 (en) * 1996-09-26 1996-11-13 Cementation Piling & Found Bearing capacity enhancement for piling applications
DE19923748A1 (de) * 1999-05-25 1999-12-02 Bartsch Ralf Bohrschnecke für Erdbohrungen
US6216803B1 (en) 1999-06-23 2001-04-17 The Charles Machine Works, Inc. Anchor assembly
FR2889241B1 (fr) * 2005-07-28 2013-05-17 Cie Du Sol Tariere a ergot mobile
PL1748108T3 (pl) * 2005-07-28 2011-03-31 Soletanche Freyssinet Świder z występem ruchomym dla wykonywania wiercenia
ATE411447T1 (de) * 2006-08-23 2008-10-15 Bauer Maschinen Gmbh Verfahren und vorrichtung zum erstellen einer bohrung im boden
ITTO20120405A1 (it) 2012-05-07 2013-11-08 Soilmec Spa Punta di scavo per un'elica di un assieme di scavo di terreno, in particolare per la realizzazione di pali escavati, e procedimento di perforazione che utilizza tale punta.
CN107747472B (zh) * 2017-10-21 2019-04-12 南京鼓楼基础工程有限责任公司 一种可变直径挖桩设备
NL2020381B1 (en) * 2018-02-06 2019-08-14 Ihc Holland Ie Bv A pile installing system and a method of operating the system
WO2021156314A1 (en) * 2020-02-03 2021-08-12 A Hansson Holding Ab Piledriver modules, adaptive pile driver system and corresponding method
CN111264130A (zh) * 2020-03-09 2020-06-12 永新县果业局 一种水果树的种植装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1116154A (en) * 1913-03-26 1914-11-03 William G Stowers Post-hole digger.
US1779575A (en) * 1927-11-21 1930-10-28 Wilson Emmett Underreamer
US2112228A (en) * 1936-09-03 1938-03-29 Union Switch & Signal Co Signaling apparatus
DE697025C (de) * 1939-05-26 1940-10-04 Willy Jaeschke Bauunternehmung Vorrichtung zum Absenken von Rohren, insbesondere Betonrohren
DE843082C (de) * 1942-06-10 1952-09-29 Bade & Co Gmbh Vorrichtung zum Mitfuehren einer Futterrohrtour beim Bohren mittels Bohrgreifer
DE971810C (de) * 1953-03-22 1959-04-02 Andreas Stihl Erdbohrer
DE972007C (de) * 1953-03-22 1959-05-06 Andreas Stihl Erdbohrer
US2838285A (en) * 1953-12-02 1958-06-10 Standard Steel Works Inc Auger bit
US2863640A (en) * 1955-11-18 1958-12-09 Gerald A M Petersen Offset boring head for auger
US2990896A (en) * 1957-06-13 1961-07-04 Charles W Kandle Wing collar drill
US3032128A (en) * 1959-11-10 1962-05-01 Case Foundation Company Belling tools
US3385383A (en) * 1966-08-15 1968-05-28 Petersen Gerald A Expanding boring head for earth auger
US3508622A (en) * 1968-05-13 1970-04-28 Pengo Corp Adjustable boring head for earth augers
US3693734A (en) * 1970-10-30 1972-09-26 Richmond Mfg Co Boring auger for horizontal earth boring machine
US3821993A (en) * 1971-09-07 1974-07-02 Kennametal Inc Auger arrangement
US3734214A (en) * 1971-09-24 1973-05-22 Pengo Corp Head for horizontal boring
DE2530531C2 (de) * 1975-07-09 1984-05-03 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Drehbohrwerkzeug für Erdbohrmaschinen

Also Published As

Publication number Publication date
DE2709030C2 (de) 1985-05-15
US4193462A (en) 1980-03-18
FR2382547B1 (zh) 1983-11-04
DE2709030A1 (de) 1978-09-07
GB1588551A (en) 1981-04-23
FR2382547A1 (fr) 1978-09-29
ATA120078A (de) 1979-07-15
AT375731B (de) 1984-09-10

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PL Patent ceased