Title:
ROTARY PRESS-IN DRAIN PIPE DEVICE
Document Type and Number:
Japanese Patent JP2019199695
Kind Code:
A
Abstract:
To provide a rotary press-in drain pipe device capable of being inserted deeply into a dam body with large embankment installation width and improving drainage effect, and further suppressing generation of water passage due to disturbance in surrounding soil by removing preceding excavation.SOLUTION: A rotary press-in drain pipe device 1 having a function of draining penetrating water in a soil in a banking such as an embankment and a road is constituted of: a head portion perforated pipe 4 where a plurality of water collecting holes 33 are opened and a spiral blade 3 is formed on its outer peripheral surface; and a following first drain body pipe and a second drain body pipe which are connected in a manner that a rotary press-in shaft 7 is inserted into the head portion perforated pipe 4 and propulsion is supported by press-in force of the rotary press-in shaft 7. The head portion perforated pipe 4 is rotated and driven in the soil. The following first drain body pipe and the second drain body pipe are towed.SELECTED DRAWING: Figure 1
Inventors:
YO YUKIMATSU
KAMEYAMA CHIKA
HARADA NAOKI
NAKAJIMA RYOTA
KONISHI MASAHIRO
HIRAOKA HIROFUMI
KONO TAKAO
HAYASHI HIDEYA
WATANABE YUJI
MAKITA KENSAKU
DOI YASUHIRO
EGASHIRA AKIYOSHI
KAMEYAMA CHIKA
HARADA NAOKI
NAKAJIMA RYOTA
KONISHI MASAHIRO
HIRAOKA HIROFUMI
KONO TAKAO
HAYASHI HIDEYA
WATANABE YUJI
MAKITA KENSAKU
DOI YASUHIRO
EGASHIRA AKIYOSHI
Application Number:
JP2018093143A
Publication Date:
November 21, 2019
Filing Date:
May 14, 2018
Export Citation:
Assignee:
CTI ENG CO LTD
NISSIN KOGYO KK
KUBOTA PLATECH CORP
NISSIN KOGYO KK
KUBOTA PLATECH CORP
International Classes:
E02D17/20; E02D5/28; E02D31/10
Domestic Patent References:
| JP2017078281A | 2017-04-27 | |||
| JP2016056505A | 2016-04-21 | |||
| JP2006283484A | 2006-10-19 | |||
| JPS63308115A | 1988-12-15 |
Attorney, Agent or Firm:
Lawyer corporation Saito Law and Patent Office