Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1996-02-16
1998-02-03
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
428 72, 228136, 228157, 228164, 2281731, B32B 312, B23K 3100
Patent
active
057142335
ABSTRACT:
A metal sandwich structural body and manufacture thereof is provided in such a manner that a core body composed of a pair of core members is provided between surface plates made of superplastic metallic materials, these core members are bonded to the surface plates, free end parts of these core members are made integral to each other and following evagination of the surface plates the core members are raised and thus a three-dimensional core body is formed and, when the surface plates are evaginated, the free end parts of the core members are slightly moved while no movement occurs in bonded portions between the core members and the surface plates and thus a metal sandwich structural body having an optional form can be formed by preventing unfavorable deformation and irrespective of forms.
REFERENCES:
patent: 4361262 (1982-11-01), Israeli
patent: 4393987 (1983-07-01), Anderson et al.
patent: 5115963 (1992-05-01), Yasui
patent: 5118026 (1992-06-01), Stacher
patent: 5204161 (1993-04-01), Pettit et al.
patent: 5366787 (1994-11-01), Yasui et al.
Asai Wataru
Suzuki Nobuyuki
Yamagahana Masato
Japan Aircraft Mfg. Co., Ltd.
Loney Donald
White John P.
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