Paper being at least partly surrounded by the material on both sides (D21H23/34 takes precedence)

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 > Paper being at least partly surrounded by the material on both sides

Processes or apparatus for adding material to the pulp or to the paper (applying liquids or other fluent material to surfaces, in general B05; processes for making continuous lengths of paper D21F11/00) > 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 (D21H23/66 takes precedence; removing excess material D21H25/08) > Paper being at least partly surrounded by the material on both sides (D21H23/34 takes precedence)