METHOD FOR PRODUCING 3D FIBER STRUCTURES
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Jan 19, 2022
filing date -
Jan 19, 2022
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Abstract
The present disclosure relates to a method (100) for producing 3D fiber structures, the method (100) comprising the steps of: feeding (101) a foamed fiber furnish (2) to an apparatus (1), the apparatus (1) comprising a liquid-permeable substrate means (3) having a first side (4) and an opposing second side (5), a dispenser (6) having an outlet (7), wherein at least one of the dispenser (6) and the substrate means (3) travel with respect to the other. Further comprising the step of dispensing (102), by means of the dispenser (6), a layer (2) of foamed fiber furnish to the first side of said liquid-permeable substrate means (3), wherein the apparatus (1) further comprises at least a reservoir (8) and a first vacuum unit (9) associated with the second side (5) of the liquid-permeable substrate means (3) so to collect fluid discharge from the dispensed layer (2) of foamed fiber furnish. Further comprising the step of applying (103) at least a first dewatering pressure to at least a part of the second side (5) of said substrate means (3).
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