MANUFACTURING MACHINE AND MANUFACTURING METHOD FOR THE PRODUCTION OF A FILTER FOR A TUBULAR ELEMENT
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United States of America Patent
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Issued Date -
Apr 6, 2023
app pub date -
Feb 5, 2021
filing date -
Feb 7, 2020
priority date (Note) -
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Abstract
A manufacturing machine and a manufacturing method for the production of a filter for a tubular element. There are provided: a folding conveyor, which moves at least one first pocket along a folding path, said first pocket being designed to house a sheet made of card stock and having an inner portion and an outer portion; a feeding station, where the first pocket receives the card stock sheet and engages the sole outer portion of the card stock sheet, leaving the inner portion of the card stock sheet free; a first folding station, where the inner portion of the card stock sheet left free by the first pocket is folded like the bellows of an accordion; and an insertion station, where the first pocket releases the card stock sheet having the inner portion folded like the bellows of an accordion.
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