A MACHINE AND METHOD FOR MAKING A CONTINUOUS TUBULAR ELEMENT WITH FILLING HAVING A SPACER AND/OR FILTER FUNCTION
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United States of America Patent
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Issued Date -
Mar 9, 2023
app pub date -
Feb 24, 2021
filing date -
Feb 26, 2020
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Abstract
A machine for making a continuous tubular element with filling from web material, including first and second means for feeding respective continuous webs, a forming station configured to perform a folding and/or deformation of a first continuous web in a shaped configuration, and a wrapping station wherein the second continuous web is wound in a tubular shape around the first continuous shaped web to obtain the continuous tubular element. Between the forming station and the wrapping station there is at least one guide bar about which the first continuous web is at least partly formed and/or guided.
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