Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1993-06-11
1995-02-21
Davis, Jenna L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428196, 428198, 428286, B32B 526, B32B 710
Patent
active
053914180
ABSTRACT:
Method and apparatus for producing a bed covering or the like comprised of a first thermoplastic web, a pair of fibrous mats of substantial loft, said web and mats being bonded together in accordance with a quilted pattern utilizing a thermoelectric bonding technique. The bonding layer, which is preferably polyurethane or a derivative thereof, forms an excellent bond with both the web and the fibrous mats. The fibrous mats provide excellent moisture absorbency and are breathable since the fibrous mats are bonded to the web only at the limited areas defined by the pattern. The first web provides an excellent waterproof barrier, while the mat provides an array of puffed-up regions each delineated by the bonding pattern to yield and aesthetically appealing cover which may be used with either fibrous web exposed.
REFERENCES:
patent: 2816054 (1957-12-01), Howden
patent: 2964441 (1960-12-01), Goldstone
patent: 4379192 (1983-04-01), Wahlquist
patent: 4595629 (1986-06-01), Mays
patent: 4725473 (1988-02-01), Van Gompel
patent: 4844965 (1989-07-01), Foxman
Davis Jenna L.
J. Lamb Inc.
Weinstein Louis
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