Title:
IMPELLER, DEVICE FOR COLLECTING LEAVES OF PAPER, AND METHOD FOR PRODUCING IMPELLER
Document Type and Number:
WIPO Patent Application WO/2012/132035
Kind Code:
A1
Abstract:
The invention provides an impeller (52) wherein a protrusion (57) is provided on the inner surface and/or outer surface of blades (56). The protrusion (57) on a first blade (56) of a pair of blades (56) which are adjacent in the circumferential direction of a base part (54), and a second blade (56) of said pair are overlapping, when seen from the axial direction of the base part (54), and the protrusion (57) of the first blade (56) and the second blade (56) are not in contact.
Inventors:
SATAKE HIROTSUGU (JP)
TAKAYAMA ATSUSHI (JP)
NAKASHIMA SHINJI (JP)
TAKAYAMA ATSUSHI (JP)
NAKASHIMA SHINJI (JP)
Application Number:
PCT/JP2011/065794
Publication Date:
October 04, 2012
Filing Date:
July 11, 2011
Export Citation:
Assignee:
GLORY KOGYO KK (JP)
SATAKE HIROTSUGU (JP)
TAKAYAMA ATSUSHI (JP)
NAKASHIMA SHINJI (JP)
SATAKE HIROTSUGU (JP)
TAKAYAMA ATSUSHI (JP)
NAKASHIMA SHINJI (JP)
International Classes:
B65H29/40
Domestic Patent References:
| WO2001040092A1 | 2001-06-07 |
Foreign References:
| JPS62150451U | 1987-09-24 | |||
| JPS6078350U | 1985-05-31 | |||
| JP2007055751A | 2007-03-08 | |||
| JP2574769B2 | 1997-01-22 | |||
| JPS52100792U | 1977-07-30 |
Other References:
See also references of EP 2692675A4
Attorney, Agent or Firm:
KATSUNUMA Hirohito et al. (JP)
Katsunuma Hirohito (JP)
Katsunuma Hirohito (JP)
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Claims: