Die, die assembly, equipment and method for forming rods of fibrous material
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 13, 2023
filing date -
Sep 13, 2023
priority date (Note) -
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Abstract
A die or die assembly for forming a bundle of fibres into a rod or tube includes a body defining a passage for conducting the bundle fibres through the die from an inlet to an outlet, a constriction in the passage having an entrance shaped to form the fibres of the bundle into a desired configuration as the bundle passes through the die, and one or more conduits through which a treatment fluid e.g. steam, for curing the bundle of fibres may be introduced into the passage, and wherein at last one conduit is arranged to discharge fluid in the immediate vicinity of the entrance to the constriction to facilitate passage of the fibres through the die and reduce the risk of blockage.
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