ClassID:

127040

D21H23/36 - 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 Knife or blade forming part of the fluid reservoir, e.g. puddle-type trailing blade or short-dwell coaters

Recent Application in this class: