Patent ID: 6277226
Filing Date: 2001-08-21
Classification: B31F,Y10T

Abstract:
A method of producing a multi-ply web comprising the steps of:embossing a first ply between a first pair of matched embossing rolls including a first embossing roll having protuberances formed in a substantially rigid outer surface and a second embossing roll having protuberances formed in an outer surface formed of a resilient material thereby forming raised portions and recessed portions in said first ply;embossing a second ply between a second pair of matched embossing rolls including a third roll having protuberances formed in an outer surface formed of a resilient material and a fourth roll having protuberances formed in a substantially rigid outer surface thereby forming raised portions and recessed portions in said second ply;positioning said first and second pairs of matched embossing rolls such that said first embossing roll is positioned adjacent said third embossing roll forming a nip region between the protuberances formed in each roll;applying an adhesive to the web carried by said first embossing roll; andadhering said first ply and said second ply to one another in said nip region;wherein at least a position of said raised portions of said first and second plies are adhered to one another and said recessed portions of said first and second plies are spaced from one another.