Automated system for the integration of a liner and envelope
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United States of America Patent
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Aug 16, 2022
Grant Date -
N/A
app pub date -
Dec 31, 2019
filing date -
Oct 23, 2019
priority date (Note) -
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Abstract
A system and method for continuously forming an envelope. The method includes providing a substrate including a liner, where the substrate has a side edge; plunging the substrate into a cartridge with a pusher to a desired depth to form a U having two opposing walls, two side openings and a flap opening; squeezing the two opposing walls along the two side openings, while keeping the flap opening open; sealing the two opposing walls along the two side openings to form the envelope; retracting the pusher; and filling the envelope disposed in the cartridge via the flap opening, where the substrate is disposed on a roll.
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