Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate
2011-01-11
2011-01-11
Ward, Jessica L (Department: 1735)
Metal fusion bonding
Process
Using dynamic frictional energy
Reexamination Certificate
active
07866531
ABSTRACT:
A method for fabricating multi-sheet structures in which a first sheet is arranged on a planar support and a blowing agent is placed on at least one selected portion of the first sheet. A second sheet is positioned over the first sheet so that the second sheet overlies the selected portion of the first sheet and the first and second sheets are then secured together by friction stir welding in a pattern which encloses the selected portion of the first sheet. Additional sheets may be secured together in a like fashion. Thereafter, the sheets are heated to a temperature sufficient to decompose the blowing agent.
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European Search Report dated Jan. 20, 2009, EP 08 01 9131.
Badarinarayan Harsha
Hunt Frank
Okamoto Kazutaka
Yang Qi
D'Aniello Nicholas P
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Hitachi Ltd
Ward Jessica L
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