Method and device for producing an embossed web material and...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness

Reexamination Certificate

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Details

C428S154000, C428S172000, C425S194000, C425S363000, C156S209000, C156S292000

Reexamination Certificate

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10508511

ABSTRACT:
A method for producing an embossed web product comprising at least two plies (V1, V3) bone to one another by gluing, wherein: at least a first of said plies is embossed producing on it a first series of protuberances (P9) and a second series of protuberances (P10), the protuberances of the first series being of greater height than the protuberances of the second series; an adhesive (C) is applied to the protuberances of said first series; the first ply is glued to the second ply (V3), the protuberances (P9, P10) of the first ply projecting inside the web product, towards the second ply (V3). The protuberances of the first and of the second series form in combination with each other complex decorative patterns (D). Each complex decorative pattern is formed by at least a protuberance of the first series and at least a protuberance of the second series. Moreover, the complex decorative patterns are distributed with a density equal to or less than 2 patterns per cm2.

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