Apparatus and methods of manufacturing fibrous nonwoven materials and products comprising the same

摘要

In an exemplary embodiment, the disclosed drying and dewatering system comprises an air knife and a vacuum slot, wherein the air knife is positioned over the vacuum slot and fibrous nonwoven material is passed under the air knife and over the vacuum slot. The embodiments of the present disclosure may be used to achieve greater water removal and more uniform binding agent distribution across the nonwoven fibrous material.

主权项

1. A method for providing a non-woven fibrous material preparation apparatus, the method comprising:
forming a negative pressure at a first surface of a plate, wherein the plate has a slot spanning its thickness from the first surface to a second surface and the slot is in fluid communication with the negative pressure; forming a positive pressure air flow at a distance from the second surface; directing the positive pressure air flow towards the slot; and contacting a fibrous nonwoven material with the positive pressure air flow.