Apparatus and method for manufacturing of spirally wound tubes
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 7, 2021
filing date -
Oct 12, 2020
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Abstract
The object of the application is an apparatus (1) for manufacturing of spiral tubes (2) having at least two layers, comprising at least two feeding units (4, 4′) for feeding a material strand (10, 10), at least one glue unit (5) for feeding the glue onto the material strand (10, 10), a forming unit (6) comprising a forming rod (13) and a forming strip (14) winding around a formed fragment of a continuous spiral tube (3), and a cutting head (7) for cutting off an individual tube (2) from the continuous spiral tube (3). The apparatus is characterised in that between the forming rod (13) and the cutting head (7) there is situated a cutting unit (8) for cutting the formed or partially formed continuous spiral tube (3) or a scrap section (3A) of the tube. The object of the application is also a method for manufacturing of spiral tubes (2) having at least two layers, in the apparatus (1).
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