Title:
鋼管杭
Document Type and Number:
Japanese Patent JP7269277
Kind Code:
B2
Abstract:
To provide a steel pipe pile allowing efficient excavation and easy production to be carried out even in a gravel layer.SOLUTION: A steel pipe pile 1 is provided with: a pair of excavation blades 7, 7 symmetrically placed across an earth removal hole 5 formed in a center of an end plate 3; and a pair of notches 6, 6 symmetrically placed across a steel pipe pile body 2 around a peripheral edge part of the end plate 3, wherein excavation bits 9, 9 are supported on the edges of both of the notch 6, 6 in a circumferential direction so as to be directed downward in the same circumferential direction.SELECTED DRAWING: Figure 1
Inventors:
Masafumi Kataoka
Katsumi Kawabe
Kazuyuki Takahashi
Masanori Nogami
Katsumi Kawabe
Kazuyuki Takahashi
Masanori Nogami
Application Number:
JP2021073159A
Publication Date:
May 08, 2023
Filing Date:
April 23, 2021
Export Citation:
Assignee:
Katsumi Construction Co., Ltd.
Daiichi Kogyo Co., Ltd.
Manac Inc.
Meiken Co., Ltd.
Daiichi Kogyo Co., Ltd.
Manac Inc.
Meiken Co., Ltd.
International Classes:
E02D5/28; E02D5/56; E02D7/22
Domestic Patent References:
JP2005282161A | ||||
JP2019044475A | ||||
JP2006009354A | ||||
JP2002309577A | ||||
JP2000034725A | ||||
JP2005133289A | ||||
JP2018066246A | ||||
JP2005155284A |
Foreign References:
US20180258602 |
Attorney, Agent or Firm:
Rita Ishii