Ultrasonic sealing apparatus
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United States of America Patent
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-
Nov 19, 2002
Grant Date -
N/A
app pub date -
Feb 16, 2001
filing date -
Feb 23, 2000
priority date (Note) -
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Abstract
An ultrasonic sealing apparatus is provided with an excellent sealability. The apparatus is capable of supplying sufficient output energy delivered by an ultrasonic wave-generating device to a thermoplastic resin of a packing material. A tubular packing material is evenly pressed on an appropriate timing in transverse sealing so that the thermoplastic resin is sufficiently softened/melted for an excellent sealing.
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