Ultrasonic welding horn with sonics dampening insert
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United States of America Patent
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-
Jun 6, 1995
Grant Date -
N/A
app pub date -
Dec 3, 1993
filing date -
Dec 3, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ultrasonic welding horn is provided that has an insert connected to the body of the horn proximal to the welding edge, the insert being dampened from the ultrasonic operating frequency by attaching it to the horn body at a nodal point that has little or no vibration during the operational vibrational mode of the horn. During a welding operation, the insert is positioned to secure living cell tissue that is between two plastic layers, preventing undesirable vibration of the cell tissue. The welding edge, which extends around the periphery of the insert, contacts the plastic layers around the cell tissue, welding a seal between the layers.
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