Method and apparatus for coating a drinking straw
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United States of America Patent
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Jun 13, 2023
Grant Date -
N/A
app pub date -
Feb 16, 2022
filing date -
Feb 16, 2022
priority date (Note) -
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Abstract
A method for coating a paper drinking straw, an apparatus for coating a paper drinking straw, and a coated drinking straw assembly are disclosed. The apparatus includes a dipping tank containing a liquid bath for coating a straw when submerged in the liquid and a straw engagement means for submerging the straw in the bath. The method includes receiving an uncoated paper drinking straw and submerging the straw in a bath containing a water-resistant and/or a water-soluble coating. The drinking straw assembly includes an elongate tubular body and a coating that has been applied to all surfaces of the straw by submerging the body in a bath containing the coating.
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