Geometric design for ultrasonic welding tools
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United States of America Patent
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Feb 18, 2014
Issued Date -
N/A
app pub date -
Dec 4, 2012
filing date -
Dec 4, 2012
priority date (Note) -
Expired
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Abstract
Ultrasonic welding tools for joining two or more components include a horn and an anvil. The horn work surface(s) has a plurality of protrusions, each having a base, a lower portion projecting from the base, and an upper domed portion projecting from the lower portion, substantially resembling a domed cone. The anvil work surface(s) has a plurality of protrusions, each having a basal portion and an upper tapering portion projecting from the base, substantially resembling a pyramid. The span of each pyramid base is no greater than the span of each domed cone base. The geometric center of each domed cone base on each horn work surface aligns with the geometric center of the valley surrounded by four adjacent pyramids on the matching anvil work surface.
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