METHOD AND APPARATUS FOR MANUFACTURING PAPER STRAWS
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United States of America Patent
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Issued Date -
Mar 16, 2023
app pub date -
Feb 18, 2021
filing date -
Feb 18, 2020
priority date (Note) -
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Abstract
A method for manufacturing straws includes the steps of predisposing a web or a discrete sheet of sheet material, wherein the web or discrete sheet extends between an end portion and tail portion; predisposing a winding body extending along an axis; completely winding the web or discrete sheet around the winding body for defining a cylindrical body of sheet material wherein the end portion and tail portion face each other for defining a mutual overlapping portion; and constraining the end portion to the tail portion in the mutual overlapping portion in order to define a straw extending between a first and second substantially circular free edges, wherein the mutual overlapping portion extends between the first and second free edges of the straw along a rectilinear direction.
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