Inlet and outlet plenum apparatus for uniform delivery of fiber

Details Inlet and outlet plenum apparatus for uniform delivery of fiber Inlet and outlet plenum apparatus for uniform delivery of fiber

1998-04-29

1999-11-16

Vanatta, Amy B.

Textiles: fiber preparation

Assembling

Web forming

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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