ClassID:

55358

B31F1/2854 - CPC Classification

Classification description:

Mechanical deformation without removing material, e.g. in combination with laminating; Corrugating; Corrugating combined with laminating to other layers; Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard; Details, e.g. provisions for drying, moistening, pressing Means for keeping the sheet in contact with one of the corrugating rollers after corrugating, but before applying the facer sheet, e.g. by air pressure, suction or pressing fingers

Recent Application in this class: