Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2006-10-16
2009-12-08
Sells, James (Department: 1791)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S290000, C156S308400, C228S112100
Reexamination Certificate
active
07628876
ABSTRACT:
In an assembly of facing metal sheets separated by a polymer layer, welded metallurgical bonds are formed between the metal sheets by use of a friction stir weld tool. A rotating tool penetrates the first sheet, locally displaces the encountered portion of polymer film and penetrates into the second sheet. The affected metal of the two sheets is momentarily plasticized and stirred, and the plasticized metal of the two sheets combines to form a weld between the metal sheets. The interposed polymer film may be intended to serve as an adhesive or a vibration damping medium or the like. The facing metal sheets can be layers of facing laminated metal sheet structures that each comprise two metal sheets bonded by an adhesive interlayer.
REFERENCES:
patent: 6742697 (2004-06-01), McTernan et al.
patent: 2004/0173662 (2004-09-01), Christner
Chen Yen-Lung
Faulkner Douglas L.
Fickes John D.
Foss Peter H.
Gayden Xiaohong Q.
GM Global Technology Operations Inc.
Reising Ethington P.C.
Sells James
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