JPS5328901A - Selffweight twoostage expanding bit - Google Patents

Selffweight twoostage expanding bit

Info

Publication number
JPS5328901A
JPS5328901A JP10256576A JP10256576A JPS5328901A JP S5328901 A JPS5328901 A JP S5328901A JP 10256576 A JP10256576 A JP 10256576A JP 10256576 A JP10256576 A JP 10256576A JP S5328901 A JPS5328901 A JP S5328901A
Authority
JP
Japan
Prior art keywords
twoostage
selffweight
expanding bit
expanding
bit
Prior art date
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.)
Pending
Application number
JP10256576A
Other languages
English (en)
Inventor
Nobuyuki Abe
Osamu Watanabe
Masaki Tominaga
Kouji Nunokawa
Ichirou Tanaka
Masao Manabe
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.)
Nippon Concrete Industries Co Ltd
Original Assignee
Nippon Concrete Industries Co Ltd
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 Nippon Concrete Industries Co Ltd filed Critical Nippon Concrete Industries Co Ltd
Priority to JP10256576A priority Critical patent/JPS5328901A/ja
Priority to US05/815,765 priority patent/US4144942A/en
Priority to DE19772732117 priority patent/DE2732117A1/de
Priority to FR7723649A priority patent/FR2362974A1/fr
Publication of JPS5328901A publication Critical patent/JPS5328901A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
JP10256576A 1976-08-30 1976-08-30 Selffweight twoostage expanding bit Pending JPS5328901A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10256576A JPS5328901A (en) 1976-08-30 1976-08-30 Selffweight twoostage expanding bit
US05/815,765 US4144942A (en) 1976-08-30 1977-07-14 Method of setting a pile without noise or vibration and apparatus therefor
DE19772732117 DE2732117A1 (de) 1976-08-30 1977-07-15 Verfahren und vorrichtung zum geraeusch- und vibrationsfreien setzen eines pfeilers
FR7723649A FR2362974A1 (fr) 1976-08-30 1977-08-01 Procede de pose d'un pieu sans bruit et sans vibration, et appareil pour sa mise en oeuvre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10256576A JPS5328901A (en) 1976-08-30 1976-08-30 Selffweight twoostage expanding bit

Publications (1)

Publication Number Publication Date
JPS5328901A true JPS5328901A (en) 1978-03-17

Family

ID=14330733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10256576A Pending JPS5328901A (en) 1976-08-30 1976-08-30 Selffweight twoostage expanding bit

Country Status (4)

Country Link
US (1) US4144942A (ja)
JP (1) JPS5328901A (ja)
DE (1) DE2732117A1 (ja)
FR (1) FR2362974A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637758A (en) * 1982-03-11 1987-01-20 Kabushiki Kaisha Komatsu Seisakusho Method of driving hollow piles into the ground
FR2523171A1 (fr) * 1982-03-15 1983-09-16 Komatsu Mfg Co Ltd Procede et dispositif pour enfoncer un pieu tubulaire dans le sol
US5310014A (en) * 1993-04-01 1994-05-10 Mueller Harlan F Water well drilling accessory, mountable on cable tool water well drilling machinery, to provide for the simultaneous driving of water well casing pipe sections, while concurrently undertaking drilling operations
KR100553175B1 (ko) * 1999-05-31 2006-02-21 주식회사 동아환경기술개발 지반개량 조성방법 및 지반개량 조성장치
US20140360059A1 (en) * 2013-06-05 2014-12-11 Adam Garrison Horizontal drilling attachment for excavators
JP6963870B2 (ja) * 2016-12-06 2021-11-10 三谷セキサン株式会社 杭穴掘削ヘッド

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077235A (en) * 1960-08-03 1963-02-12 Salem Tool Co Collapsible mining head
DE1910359B2 (de) * 1969-02-28 1970-08-27 Delmag-Maschinenfabrik Reinhold Dornfeld, 7300 Esslingen Erddrehbohrgerät
US3869003A (en) * 1971-12-25 1975-03-04 Sanwa Kizai Co Ltd Pile drivers
BE795205A (fr) * 1972-02-10 1973-05-29 Atlas Copco Ab Procede et appareillage pour le forage rotatif
JPS536766B2 (ja) * 1972-07-28 1978-03-11
DE2321739A1 (de) * 1973-04-28 1974-11-14 Josef Jasper Verfahren und geraet zum bohren im boden
US3864923A (en) * 1973-09-18 1975-02-11 Lee A Turzillo Impacted casing method for installing anchor piles or tiebacks in situ
US3938344A (en) * 1974-04-29 1976-02-17 Kabushiki Kaisha Takechi Koumusho Earth auger and method for driving piles and the like by means of said earth auger

Also Published As

Publication number Publication date
FR2362974A1 (fr) 1978-03-24
DE2732117A1 (de) 1978-03-02
US4144942A (en) 1979-03-20

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