Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-07-26
1985-04-30
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428102, 428195, 428212, 428219, 428284, 428287, 428362, 428398, B32B 2714
Patent
active
045144559
ABSTRACT:
A composite nonwoven fabric, particularly suited for an apparel insulating interliner, comprises a batt of crimped polyester staple fibers and a nonwoven sheet of continuous polyester filaments which are attached to each other by a series of parallel seams having a seam-to-seam spacing in the range of 1.7 to 5 cm. The batt is made of a particular blend of heavy and light staple fibers. The composite fabric has a density of 15 to 24 kg/m.sup.3 and an insulating value of at least 7 CLO/(kg/m.sup.2).
REFERENCES:
patent: 3493462 (1970-02-01), Bunting et al.
patent: 3508308 (1970-04-01), Bunting et al.
patent: 3560326 (1971-02-01), Bunting et al.
patent: 4039711 (1977-08-01), Newman
patent: 4187390 (1980-02-01), Gore
patent: 4304817 (1981-12-01), Frankosky
J. L. Cooper & M. J. Frankosky, "Thermal Performance of Sleeping Bags", Journal of Coated Fabrics, vol. 10, pp. 108-114, (Oct. 1980).
Thinsulate Thermal Insulation, Technical Bulletin, 3M Company.
Bell James J.
E. I. Du Pont de Nemours and Company
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