Metal fusion bonding – Means to apply vibratory solid-state bonding energy to work
Reexamination Certificate
2006-10-17
2006-10-17
Edmondson, Lynne R. (Department: 1725)
Metal fusion bonding
Means to apply vibratory solid-state bonding energy to work
C228S005700, C156S073100, C156S580200
Reexamination Certificate
active
07121447
ABSTRACT:
In an ultrasonic welding apparatus comprising an ultrasonic sonotrode and a backing plate, flat workpieces to be welded are pressed between the sonotrode and the backing plate. Projections are provided on a portion of the surface of the sonotrode and on a portion of the surface of the backing plate, each projection-bearing surface portion being adjoined by a smooth portion. The flat workpieces are for example ends of a strapping tape formed in a loop around a package in a strapping machine and the aim is to produce a weld of increased strength.
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Lüdtke Peter
Mosca Timo
Edmondson Lynne R.
Maschinenfabrik Gerd Mosca AG
Muirhead & Saturnelli LLC
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