Classifications

• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
  • D21H5/00—Special paper or cardboard not otherwise provided for
  • D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
  • D21H5/0025—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material
  • D21H5/003—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material with a roller
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
  • D21F5/00—Dryer section of machines for making continuous webs of paper
  • D21F5/02—Drying on cylinders
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
  • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
  • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
  • D21H23/22—Addition to the formed paper
  • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
  • D21H23/56—Rolls

Applications Claiming Priority (1)

Publications (1)

Family

ID=21949109

Family Applications (3)

Family Applications After (2)

Country Status (5)

Families Citing this family (1)

• 0
  • NL NL47676D patent/NL47676C/xx active
  • NL NL44589D patent/NL44589C/xx active
  • NL NL44651D patent/NL44651C/xx active
  • BE BE413357D patent/BE413357A/xx unknown
• 1936
  • 1936-01-13 FR FR800566D patent/FR800566A/fr not_active Expired
  • 1936-01-27 GB GB35881/35A patent/GB474596A/en not_active Expired
  • 1936-03-06 DE DEM6148D patent/DE904377C/de not_active Expired
  • 1936-03-14 DE DE1936M0133880 patent/DE690555C/de not_active Expired
  • 1936-03-30 FR FR805404D patent/FR805404A/fr not_active Expired
  • 1936-04-01 GB GB9662/36A patent/GB474829A/en not_active Expired

Also Published As

Similar Documents