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Patent Searching and Data


Title:
METHOD OF MANUFACTURING MEMBER FOR REINFORCING FRONT EDGE OF FAN BLADE
Document Type and Number:
WIPO Patent Application WO/2010/084942
Kind Code:
A1
Abstract:
An externally exposed joint surface is not left on a final product despite the product being manufactured by superplastic forming. A method of manufacturing a front edge member of a fan blade, the front edge member having a geometrical shape, includes steps of: superplastically forming, using a combination of a first mold having a gas route and a second mold having a female mold cavity, a plate material into a shape conforming to the shape of the female mold cavity by pressurizing the plate material by gas introduced through the route; joining a backing material to the superplastically formed plate material; and cutting the periphery of the plate material to obtain the shape of a product.

Inventors:
IWASAKI TAKAYUKI (JP)
Application Number:
PCT/JP2010/050764
Publication Date:
July 29, 2010
Filing Date:
January 22, 2010
Export Citation:
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Assignee:
IHI CORP (JP)
IWASAKI TAKAYUKI (JP)
International Classes:
B21D53/78; B21D26/021; B21D26/055; B23P15/04; F04D29/38
Foreign References:
JPS5428264A1979-03-02
JPH1147859A1999-02-23
JPH08134625A1996-05-28
JP2007061829A2007-03-15
JP2000135534A2000-05-16
JPH04157141A1992-05-29
JP2006026648A2006-02-02
JP2005256838A2005-09-22
Other References:
See also references of EP 2390023A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
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