Method of making a fibrous substrate by superposing fibrous laye

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric – Nonwoven fabric has an elastic quality

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Details

442391, 442392, 28107, 28110, 28143, B32B 506

Patent

active

057927154

ABSTRACT:
Making fibrous substrates. The method consists for a given substrate thickness in adopting a displacement step size that varies in application of a step size reduction relationship adopted to impart constant thickness to the various superposed and bonded-togehter layer thickness making up said substrate thickness. Application to manufacturing friction parts.

REFERENCES:
patent: 4790052 (1988-12-01), Olry
patent: 5504979 (1996-04-01), Sheehan et al.

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