Importance

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Abstract

The machine comprises a series of heated plates (19) arranged according to a longitudinal cardboard advancement direction (FC); above the heated plates, a plurality of pressure members (27; 41, 43, 45), to press the paper sheets against the heated plates (19); between the heated plates (19) and the pressure members (27; 41, 43, 45), an endless flexible contact and advancement element (21), which is pressed by the pressure members (27; 41, 43, 45) against the sheets paper below, said endless flexible element (21) being driven around at least an input guide member (23) and at least an output guide member (25). The input guide member (23) is positioned above a sliding surface (S) of the corrugated cardboard at a distance therefrom such that said paper sheets (F1, F2, F3) are pressed together between said sliding surface (S) and the endless flexible element (21) at said input guide member (23).

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First Claim