Process for lofty battings

Details Process for lofty battings Process for lofty battings

1996-12-19

1999-02-23

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 622, 264122, 264DIG75, 19163, D04H 106, D04H 158

Patent

active

058739645

ABSTRACT:
Lofty battings are prepared by a process involving carding to make one or more webs of fibers, preferably using a blend of mechanically-crimped filling fibers with bicomponent fibers of helical configuration, and that preferably also contains binder fibers, the fiber orientations preferably being randomized in the web(s) before cross-lapping to build up the batt, and preferably followed by spraying with resin and curing, thus providing a bonded batt in which the loft is improved by the presence of the different crimp configurations and/or randomized orientations that are fixed in the fibers in the bonded batt.

REFERENCES:
patent: 3538552 (1970-11-01), Foley
patent: 3589956 (1971-06-01), Kranz et al.
patent: 4281042 (1981-07-01), Pamm
patent: 4794038 (1988-12-01), Marcus
patent: 4869771 (1989-09-01), Le Van
patent: 4940502 (1990-07-01), Marcus
patent: 4992237 (1991-02-01), Donovan et al.
patent: 5344707 (1994-09-01), Snyder
patent: 5458971 (1995-10-01), Hernandez et al.

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