Treatment of foil laminated paperboard

B - Operations – Transporting – 32 – B

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154/91.2

B32B 38/00 (2006.01) B32B 15/12 (2006.01) B41M 1/28 (2006.01) D21H 25/14 (2006.01)

Patent

CA 1219801

TREATMENT OF FOIL LAMINATED PAPERBOARD Abstract of the Disclosure A process is provided for the treatment of foil laminated paperboard stock to obtain a super smooth printing surface. The smoothness is accomplished by eliminating the surface irregularities of the foil by passing the foil laminated paperboard through a smoothing nip formed with a heated highly polished hard surface roller and a resilient roller, preferably having a nylon cover with the foil surface against the heated hard roller at a pressure whereby the thickness of the paperboard is not significantly decreased..

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