Ultrasonic welding horn with sonics dampening insert

Details Ultrasonic welding horn with sonics dampening insert Ultrasonic welding horn with sonics dampening insert

1993-12-03

1995-06-06

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156292, 1565802, 604 22, B32B 3116

Patent

active

054219230

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.

REFERENCES:
patent: 4411720 (1983-10-01), Sager
patent: 5275767 (1994-01-01), Micciche

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