Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AUGER DEVICE
Document Type and Number:
Japanese Patent JP2008208599
Kind Code:
A
Abstract:

To provide an auger device capable of preventing a following auger device from colliding against a core member of a preceding element and not only reducing vibration and noise but also improving efficiency of excavation and precision of construction.

In this auger device, a continuous circular ring-like auxiliary ring 4 is arranged coaxially with a shaft body 2 provided with an excavation head 3 at a tip of a lower part in a halfway section of the shaft body. The auxiliary ring 4 is fixed on the shaft body 2 by a plurality of oblique members 5 being obliquely and upward inclined toward the shaft body 2 from the auxiliary ring 4 in an upper part of the auxiliary ring 4.


More Like This:
WO/2005/110020APPARATUS AND METHOD FOR MODIFIED HORIZONTAL DIRECTIONAL DRILLING ASSEMBLY
WO/2023/137833PRESSURIZING DEVICE, ROTARY DRILLING RIG, CONTROL METHOD FOR ROTARY DRILLING RIG, AND ELECTRONIC DEVICE
JP3173267Work deck of all-around rotary excavator
Inventors:
YOMOGIHARA MASAHARU
MORIKAWA FUMIO
YOSHIKAWA TOSHIAKI
TAKAMI KINICHI
Application Number:
JP2007045723A
Publication Date:
September 11, 2008
Filing Date:
February 26, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ASANUMA CORP
AIHARA SANGYO KK
International Classes:
E21B3/02; E02D5/20; E02F5/02
Attorney, Agent or Firm:
Bunji Kamada
Torii Kazuhisa
Takayoshi Tagawa
Higashio Masahiro



 
Previous Patent: FALLING PREVENTION MECHANISM OF DOUBLE HUNG WINDOW

Next Patent: MANUFACTURING METHOD FOR SIDEWALK BLOCK, AND SIDEWALK BLOCK