Ultrasonic sealing of packages

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United States of America Patent

PATENT NO 9090021
APP PUB NO 20140033653A1
SERIAL NO

13565310

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Importance

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Abstract

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A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers.

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Patent Owner(s)

  • EWI, INC. (EDISON WELDING INSTITUTE, INC.)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cham, Pak Meng Plano, US 7 54
Flowers, Sean Cincinnati, US 3 28
Jordan,, IV Glenn T Prosper, US 4 37
Kozman, Austin Dallas, US 6 42
Short, Matthew Wilmington, US 7 70

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