Title:
CRUSHING METHOD AND CRUSHER FOR CONCRETE STRUCTURE
Document Type and Number:
Japanese Patent JP2009148690
Kind Code:
A
Abstract:
To provide a crushing method and a crusher for concrete structures which can prevent scattering of dust effectively with relatively small amounts of water during crushing target parts of a concrete structure.
Crushing target parts of a concrete structure W are crushed with a pair of opening-and-closing crushing arms 33 and 33 arranged in a crusher 3. A spray nozzle 35 spraying water toward the target parts from the side of the cutting edge 331 of the crushing arm cutting into the target parts is disposed. Water spraying from the spray nozzle 35 is started when the crushing arms 33 and 33 are closed to start crushing of target parts, and the water spraying from the spray nozzle 35 is stopped when the crushing arms 33 and 33 are opened.
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Inventors:
NISHIGUCHI KOJI
FURUNAGA TATSUHIRO
NAKAMURA YUICHI
FURUNAGA TATSUHIRO
NAKAMURA YUICHI
Application Number:
JP2007328294A
Publication Date:
July 09, 2009
Filing Date:
December 20, 2007
Export Citation:
Assignee:
OKUMURA CORP
NIPPON STEEL CORP
NIPPON STEEL CORP
International Classes:
B02C1/02; E04G23/08
Domestic Patent References:
| JPS63111551U | 1988-07-18 | |||
| JP2000334319A | 2000-12-05 | |||
| JP2002054308A | 2002-02-20 |
Attorney, Agent or Firm:
Tatsuhiko Sato
Susumu Hori
Takeshi Sagi
Kenichi Homma
Tsuyoshi Kagaya
Susumu Hori
Takeshi Sagi
Kenichi Homma
Tsuyoshi Kagaya