Packaging apparatus and method
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United States of America Patent
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Sep 17, 2024
Grant Date -
Aug 3, 2023
app pub date -
Jun 11, 2021
filing date -
Jun 12, 2020
priority date (Note) -
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Abstract
Packaging apparatus comprises two counter-rotatable sealing dies for pressing together two tissue webs to produce pockets for containing a substance for preparing beverages and to seal around the pockets, and two heating drums for heating the sealing dies and each being positioned inside a respective sealing die, wherein a first heating zone of each heating drum comprises a first plurality of circumferentially distributed infrared heating elements, and a second heating zone of each heating drum comprises a second plurality of circumferentially distributed infrared heating elements.
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