Title:
CONCRETE VIBRATOR
Document Type and Number:
Japanese Patent JP2012197670
Kind Code:
A
Abstract:
To perform efficient compaction of concrete and avoid a trouble due to biting into a reinforcement.
This concrete vibrator 21 includes a vibrating body 1 constructed so that the rotating direction of an eccentric weight 9 is switchable, the vibrating body having a groove 6 formed as a spiral irregularity in the outer face. The groove is formed so that vibration is propagated obliquely upward from the vibration body 1 when the eccentric weight 9 is right-rotated in the state that the front end of the vibrating body 1 is in a downward attitude and the vibration is propagated obliquely downward from the vibrating body 1 when it is left-rotated.
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Inventors:
FUKUCHI SHINICHI
SUGAWARA KEIICHI
HASHIKI JUNICHI
ADACHI HIROYUKI
CHIKAMATSU RYUICHI
ONITAKE TOSHIYUKI
MIYANISHI TETSUYA
SUGAWARA KEIICHI
HASHIKI JUNICHI
ADACHI HIROYUKI
CHIKAMATSU RYUICHI
ONITAKE TOSHIYUKI
MIYANISHI TETSUYA
Application Number:
JP2012139023A
Publication Date:
October 18, 2012
Filing Date:
June 20, 2012
Export Citation:
Assignee:
EKUSEN KK
OHBAYASHI CORP
YOSHIKAWAGUMI:KK
JOTO KIKAI LEASE KK
OHBAYASHI CORP
YOSHIKAWAGUMI:KK
JOTO KIKAI LEASE KK
International Classes:
E04G21/08
Domestic Patent References:
| JP2011080247A | 2011-04-21 | |||
| JP2000027440A | 2000-01-25 | |||
| JP2006528289A | 2006-12-14 | |||
| JP2004137744A | 2004-05-13 | |||
| JPS63156165A | 1988-06-29 | |||
| JPS6410875A | 1989-01-13 |
Attorney, Agent or Firm:
久寶 聡博
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