Separable laminated paper product

Details Separable laminated paper product Separable laminated paper product

1996-04-02

1999-02-23

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428195, 428211, 428212, 428906, B32B 900

Patent

active

058741577

ABSTRACT:
An embossed paper laminate having two laminae is provided. The laminae are joined such that there is at least one zone of the laminate wherein the peel strength of the laminate in that zone is greater than the peel strength of the laminate in other zones of the laminated paper product. The laminate is made by two close tolerance pattern rolls juxtaposed to form a nip. Each pattern roll has radially extending protuberances which contact the periphery of the other pattern roll intermediate its protuberances. The laminae are fed through the nip in face-to-face relationship and are embossed and adhesively joined to the other lamina by the radially extending protuberances. The laminating adhesive is supplied to the various zones of the laminated paper product at a level that is appropriate for providing the requisite peel strength for that zone.

REFERENCES:
patent: 3414459 (1968-12-01), Wells
patent: 3511746 (1970-05-01), Davies
patent: 3514355 (1970-05-01), Welin-Berger
patent: 3556907 (1971-01-01), Nystrand
patent: 3673060 (1972-06-01), Murphy et al.
patent: 3867225 (1975-02-01), Nystrand
patent: 5143776 (1992-09-01), Givens
patent: 5294475 (1994-03-01), McNeil
patent: 5415918 (1995-05-01), Lang et al.

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