Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1981-12-28
1983-11-22
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
28107, 28111, 28240, 156148, 428284, 428296, 428297, 428298, 428299, 428300, 428303, B32B 2700
Patent
active
044169361
ABSTRACT:
A multi-layer nonwoven fabric is provided comprising at least one layer of waste fibers positioned between layers of virgin synthetic fibers joined by, for example, needle punching. A process for producing the fabric comprises the steps of forming a base web of virgin staple fibers, adding a second web of waste fibers, adding a top web of virgin staple fibers, and consolidating the webs as by needle punching to form a composite fabric.
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Erickson Wayne K.
Mulligan Lewis R.
Bell James J.
Phillips Petroleum Company
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