System for forming floor underlayment

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United States of America Patent

PATENT NO 9394690
SERIAL NO

14459590

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Abstract

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A process for making a fibrous panel member and a flooring structure is disclosed. The flooring structure has a subfloor, a surface layer, and an insulative pad disposed between the subfloor and the surface layer. The insulative pad has an MDI binder and reinforcement fibers distributed uniformly and randomly within a first plane. The process includes mixing a porous fiber material with a MDI adhesive. The fiber batt is compressed between a pair of porous belts. Steam and heat are applied to the compressed batt to form a bound flexible batting material.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Collison, Chad A Pierce, US 25 800
Pinto, Akiva Jerusalem, IL 71 646

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