Apparatus for manufacturing non-woven fabric and method of manufacturing non-woven fabric
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United States of America Patent
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Mar 16, 2021
Grant Date -
May 2, 2019
app pub date -
Mar 24, 2017
filing date -
Mar 30, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatus for manufacturing a non-woven fabric includes a diffusing shaft, which includes a first shaft portion in a defined location and provided with a slit-shaped air guide, wherein filaments are supplied together with air from an inlet side of the air guide to an outlet side of the air guide; a second shaft portion in a defined location, having an inlet side that is communicated with an outlet side of the first shaft portion and an outlet side that is disposed to face a filament collecting unit, wherein an opening width along a machine direction of the inlet side of the second shaft portion is larger than an opening width along a machine direction of the first shaft portion; and a stepped portion provided at a connecting portion between the outlet side of the first shaft portion and the inlet side of the second shaft portion and connecting the same.
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