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Patent Searching and Data


Title:
SCREW FEEDER AND SELF-TRAVELING TYPE SOIL IMPROVING MACHINE
Document Type and Number:
Japanese Patent JP2010241533
Kind Code:
A
Abstract:

To provide a screw feeder capable of improving a restraining effect of flushing.

In a screw conveyor 20 forming a closed space 33 surrounded by a pair of partition blades 31, 32, an outer periphery of an end of an emission port 22b of a shaft rod 24 including an extension 30, a screw blade 25 and an inner face of a casing 21, and opening a space positioned at a pair of the partition blades 31, 32 to the outside of the casing 21 through the emission port 22b are alternately repeated during the rotation of the screw shaft 23.


Inventors:
Fukai, Masakazu
Yagishita, Makoto
Application Number:
JP2009000090275
Publication Date:
October 28, 2010
Filing Date:
April 02, 2009
Export Citation:
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Assignee:
HITACHI CONSTR MACH CO LTD
International Classes:
B65G65/46; E02F7/00
Domestic Patent References:
JPS61294092A
JP2003113619A
Attorney, Agent or Firm:
特許業務法人 武和国際特許事務所