Process for forming a laminate

Details Process for forming a laminate Process for forming a laminate

2005-11-30

2008-12-16

Aftergut, Jeff H (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S164000, C156S229000

Reexamination Certificate

active

07465367

ABSTRACT:
A process for forming a multi-strand elastic laminate comprising the steps of:(a) providing a multi-strand elastic feed (1);(b) feeding the multi-strand elastic via a feed nip roll (2) for further processing;(c) imparting a tension to the multi-strand elastic feed;(d) separating the multi-strand elastic feed into strands (4) separated in the cross-direction;(e) applying a hot melt adhesive to both surfaces of each strand separated in the cross-direction to give adhesive coated separated strands (6); and(f) sandwiching the adhesive coated separated strands between two further layers of material (7) whereby the further layers of material are adhered to either side of the adhesive coated elastic strands.

REFERENCES:
patent: 4666542 (1987-05-01), De Jonckheere
patent: 4762582 (1988-08-01), de Jonckheere et al.
patent: 4842666 (1989-06-01), Werenicz
patent: 5660664 (1997-08-01), Herrmann
patent: 5882573 (1999-03-01), Kwok et al.
patent: 5902540 (1999-05-01), Kwok
patent: 5904298 (1999-05-01), Kwok et al.
patent: 6049956 (2000-04-01), Lifke et al.
patent: 2004/0005835 (2004-01-01), Zhou et al.
patent: WO 02/18125 (2002-03-01), None
U.S. Appl. No. 11/813,356, filed Jul. 5, 2007, to Victor Spencer Day.

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