Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-03-15
1996-02-13
Raimund, Christopher W.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428114, 428296, 428913, 156 85, 156290, 1563084, B32B 2714
Patent
active
054910161
ABSTRACT:
A heat shrinkable nonwoven fabric includes outer layers of thermoplastic staple fibers and an inner layer containing heat shrinkable fibers the layers are point bonded together at spaced locations without causing shrinkage of the heat shrinkable fibers. The web may then be uniformly heated in a relaxed state to cause a substantial increase in bulk.
REFERENCES:
patent: 3917448 (1975-11-01), Wood
patent: 4018862 (1977-04-01), Saito
patent: 5143779 (1992-09-01), Newkirk et al.
patent: 5198057 (1993-03-01), Newkirk et al.
Baer Samuel C.
Bononcini Kenneth
Kaiser H. Paul
Mosley Ellen
FiberTech Group, Inc.
Raimund Christopher W.
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