Making new stretchable batts

Details Making new stretchable batts Making new stretchable batts

1990-03-16

1991-03-12

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

28112, 28122, 156 628, 156148, 156296, 428105, 428284, 428288, 428297, 428298, 428300, 428373, B32B 512

Patent

active

049992325

ABSTRACT:
Improved stretchable battings of differentially-shrinkable bicomponent staple fibers are obtained by cross-lapping webs, e.g. from cards, garnets or the like machines, at an angle that determines and controls the degrees of stretch in the machine direction (MD) and cross direction (XD), and then inducing helical crimp in the bicomponent fibers on account of their differential shrinkage. Such batts are especially useful in apparel.

REFERENCES:
patent: 4426420 (1984-01-01), Likhyani

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