Ultrasonic welding member for smoothing flexible belt seams...

Details Ultrasonic welding member for smoothing flexible belt seams... Ultrasonic welding member for smoothing flexible belt seams...

2008-11-12

2010-12-07

Sells, James (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S073100, C156S157000, C156S580200

Reexamination Certificate

active

07846280

ABSTRACT:
An ultrasonic welding member for use in welding seamed flexible belts to produce smoother seams having reduced seam thickness. The ultrasonic welding member has a unique configuration, that includes an increased tip surface formed in such a manner that more energy from the horn is dispersed over the seam overlap region for a longer duration of time to produce a smoother and thinner weld.

REFERENCES:
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patent: 4786570 (1988-11-01), Yu et al.
patent: 4937117 (1990-06-01), Yu
patent: 5021309 (1991-06-01), Yu
patent: RE38248 (2003-09-01), Yu et al.
patent: 7491281 (2009-02-01), Darcy et al.

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