Title:
BLADE FOR WIND MILL
Document Type and Number:
Japanese Patent JP2018003650
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a blade for a wind mill excellent in strength and weight saving.SOLUTION: A blade for a wind mill fixed to a rod-like supporting tool 20 extending radially from a rotational shaft of a vertical wind mill, includes a hollow shell member 31 formed by a fiber-reinforced resin sheet containing fiber and resin. The shell member has a stationary part 32 fixed to the supporting tool. Inside the shell member, a filling part filled with a resin foam body 40 is included, and a ratio of the filling part to an internal space of the shell member is equal to or more than 10 vol.%. The inside of the stationary part is the filling part.SELECTED DRAWING: Figure 2
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Inventors:
NAKAMURA MASAAKI
FUKUNAGA YOICHIRO
FUKUNAGA YOICHIRO
Application Number:
JP2016128776A
Publication Date:
January 11, 2018
Filing Date:
June 29, 2016
Export Citation:
Assignee:
SEKISUI PLASTICS
International Classes:
F03D3/06; C08J5/04
Domestic Patent References:
| JP2008101536A | 2008-05-01 | |||
| JPH06323238A | 1994-11-22 | |||
| JP2009275536A | 2009-11-26 |
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Shinji Nitto
Hiroaki Nakatani
Shinji Nitto