PEEL PROGRESSION PREVENTING STRUCTURE OF SANDWICH PANEL

WIPO Patent Application WO/2006/106904

A1

A peel progression preventing structure of a sandwich panel capable of preventing the peel progression of the sandwich panel formed by stacking composite material surface plates on both sides of a foam synthetic resin core material in the thickness direction. Arresters (5) are formed so as to be projected from the surface plates (4a) and (4b) inward in the thickness direction. Accordingly, even if a peeling occurs between the surface plates (4a) and (4b) and the core material (3) and the peeling is progressed, when the peeling reaches a position where the arresters (5) are formed, the peeling can be prevented from further progressing beyond that position. As a result, even if the peeling occurs, a progressed area can be suppressed to prevent the peeling from progressing over the entire area of the sandwich panel (2). Thus, the durability of the sandwich panel (2) can be increased by preventing the peeling from progressing.

JPH0717490	FIXTURE SYSTEM AND METHOD FOR FIXING MULTILAYER PANEL TO LOWER SUPPORTING STRUCTURE
JP2740219	[Title of Invention] Method for manufacturing composite structure
WO/2002/030743	AIRCRAFT PROVIDED WITH CARRYING FUSELAGE

HIROSE YASUO (JP)
HOJO MASAKI (JP)

PCT/JP2006/306802

October 12, 2006

March 31, 2006

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KAWASAKI HEAVY IND LTD (JP)
UNIV KYOTO (JP)
HIROSE YASUO (JP)
HOJO MASAKI (JP)

B64C1/00; B32B5/18

JP2003146252A	2003-05-21
JPH03247859A	1991-11-06
JPS5873817U	1983-05-19
JPH05309792A	1993-11-22
JPH08207190A	1996-08-13
JPH11254566A	1999-09-21
JPS63162350A	1988-07-05

See also references of EP 1864792A4
None

Yoshitake, Kenji (Room 323 Fuji Bldg., 2-, Marunouchi 3-chome Chiyoda-ku Tokyo 05, JP)

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