Inlet and outlet plenum apparatus for uniform delivery of fiber

Textiles: fiber preparation – Assembling – Web forming

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19304, 264121, D01G 2308

Patent

active

059834579

ABSTRACT:
The present invention provides an inlet and outlet plenum apparatus for improving the forming of fibrous pads for absorbent products and providing improved density control. Fibers entrained in a high speed air flow coming from a fiberizer or other fiber source enter an inlet plenum which reduces velocity by increasing the area of the inlet plenum in a linear manner thereby decreasing turbulence and improving the density distribution of the fiber deposited onto the foraminous surface of a pad-former screen. The outlet plenum allows for a controlled velocity increase which reduces under-screen turbulence and further improves fiber distribution and density control.

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