Title:
パイプ打ち込み方法
Document Type and Number:
Japanese Patent JP6977934
Kind Code:
B2
Abstract:
To provide a method capable of driving a pipe smoothly and straight into the ground.SOLUTION: In a method for driving a pipe 1 having a tip bit 2 at a tip thereof into the ground, the pipe 1 is driven into the ground in a manner that inserts a driving rod 3 in the pipe 1 and vibrates the driving rod 3 back and forth so that a tip section thereof hits an inner face of the tip bit 2. While being vibrated back and forth to hit the tip bit 2, the driving rod 3 is also rotated around an axial line thereof.SELECTED DRAWING: Figure 8
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Inventors:
Takayoshi Yoshida
Application Number:
JP2018008814A
Publication Date:
December 08, 2021
Filing Date:
January 23, 2018
Export Citation:
Assignee:
Daika Co., Ltd.
Taisho Co., Ltd.
Taisho Co., Ltd.
International Classes:
E21B6/00; E02D3/10; E02D17/20
Domestic Patent References:
| JP201477286A | ||||
| JP3789127B1 | ||||
| JP200452437A | ||||
| JP2014231051A | ||||
| JP10159079A | ||||
| JP2004117074A | ||||
| JP2005213879A | ||||
| JP2012140821A | ||||
| JP201866181A | ||||
| JP6280244A | ||||
| JP2015166519A | ||||
| JP4727718B2 | ||||
| JP201944513A | ||||
| JP10220153A | ||||
| JP5149448B1 |
Foreign References:
| US20080257603 |
Attorney, Agent or Firm:
Tokuya Iwata