ClassID:

127041

D21H23/38 - CPC Classification

Classification description:

Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added; Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper; Knife or blade type coaters the fluid material being applied with a special device, e.g. with a roll in a flooded-nip inverted blade coater

Recent Application in this class: