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Title:
MULTI-SPOT RECOVERY DEVICE AND MULTI-SPOT RECOVERY METHOD
Document Type and Number:
WIPO Patent Application WO/2017/022139
Kind Code:
A1
Abstract:
According to the present invention, when recovering coating film debris, ground materials and the like generated because of blasting work performed within a petroleum tank, objects to be recovered existing at multiple spots in a broad area in which recovery is to be conducted such as within a tank, within a factory, and within a scaffold are efficiently ejected outside the area in which recovery is to be conducted, and recovered. The present invention has: a main flow pipe 10 that connects an area 100 in which recovery is to be conducted and an area 200 in which recovery is not to be conducted; multiple branch flow pipes 20 of which one ends are connected to the main flow pipe 10; and an ejector 30 provided part way through each of the multiple branch flow pipes 20. A configuration is adopted at a flow merging section 40 between the main flow pipe 10 and each of the branch flow pipes 20 such that a rotational flow is generated due to incoming flow from each of the branch flow pipes 20. Objects to be recovered existing at multiple spots within the area 100 in which recovery is to be conducted are suctioned from the other ends of the multiple branch flow pipes 20 by suction force generated by the ejectors 30, ejected to the area 200 in which recovery is not to be conducted via the main flow pipe 10, and recovered.

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Inventors:
TOKUDA TOMOAKI (JP)
NAKATANI YASUNAO (JP)
YAMAMOTO SHUJI (JP)
Application Number:
PCT/JP2015/078748
Publication Date:
February 09, 2017
Filing Date:
October 09, 2015
Export Citation:
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Assignee:
KASHIWABARA CORP (JP)
International Classes:
B65F5/00
Domestic Patent References:
WO2008089710A12008-07-31
Foreign References:
JPS62205919A1987-09-10
JP2011507778A2011-03-10
JPS538178U1978-01-24
JPS63154522A1988-06-27
Attorney, Agent or Firm:
MIHARA Yasuo et al. (JP)
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