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Title:
DRILLING AGITATION DEVICE
Document Type and Number:
Japanese Patent JP2016098594
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drilling agitation device capable of drilling a square excavation hole in a soft foundation and constructing a square underground pile which is formed by agitating and mixing a sand production and a hardener and solidifying them.SOLUTION: A drilling agitation device comprises: a rotation rod 9; a horizontal drilling part 7 which is formed on the rotation rod 9 and horizontally rotates along with the rotation rod 9; a vertical drilling part 8 which is disposed above the horizontal drilling part 7; and a machine element 21 which endows the vertical drilling part 8 with a rotative force in a vertical direction by transmitting a rotation power of the rotation rod 9. The vertical drilling part 8 is rotatably supported by a protection case 22 which is separated from the rotation of the rotation rod 9.SELECTED DRAWING: Figure 2

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Inventors:
WATANABE KAZUO
WATANABE JUNJI
Application Number:
JP2014237517A
Publication Date:
May 30, 2016
Filing Date:
November 25, 2014
Export Citation:
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Assignee:
WATANABE KAZUO
WATANABE JUNJI
International Classes:
E02D3/12
Domestic Patent References:
JPS57123321A1982-07-31
JP2013249682A2013-12-12
JP2001040657A2001-02-13
JP2015140581A2015-08-03
JPH06313313A1994-11-08
JPH07207656A1995-08-08
JPH08120663A1996-05-14
JPS614929B21986-02-14
JPH11293661A1999-10-26
JPH05321241A1993-12-07
JP2014080761A2014-05-08
Foreign References:
US5013185A1991-05-07
Attorney, Agent or Firm:
Satoshi Asakawa



 
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