faux pli à la partie humide

OBS: Il est formé en diagonale par rapport à la direction machine et la décoloration des bords du pli est évidente.

CONT: wet end wrinkle: begins as a wrinkle in the paper machine press section.
OBS: Direction is slightly diagonal and discolouration along the edges of the creases is evident. Such a wrinkle may be cut in the calender stack, in which case it becomes a calender cut.