ClassID:

127051

D21H23/58 - 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 a device carrying the material; Rolls Details thereof, e.g. surface characteristics, peripheral speed

Sub-classes:
Recent Application in this class:
#1
20230149969
2023-05-18

Slot Die Coating Using Concave Die Lip Over Deformable Back-Up Roll

#2
20200407917
2020-12-31

Fibrous web manufacturing roll with cover having functional layer with nanocellulose material

#3
20200354893
2020-11-12

Apparatus and method for realizing a web of fibrous material

#4
20200306790
2020-10-01

Method and apparatus for coating on baggy web

#5
20190161913
2019-05-30

Roll and its use

#6
20180291558
2018-10-11

Apparatus and method for realizing a web of fibrous material

#7
20180237994
2018-08-23

COATING MACHINE AND COATING METHOD THEREOF

#8
20160122948
2016-05-05

FILM PRESS AND METHOD FOR OPERATING A FILM PRESS

#9
20160121362
2016-05-05

Method for producing a non-uniform coating on a substrate

#10
20150010734
2015-01-08

Method of forming single face corrugated board

#11
20150010733
2015-01-08

Process for producing a printing surface

#12
20140360393
2014-12-11

Apparatus for applying indicia on web substrates

#13
20140345821
2014-11-27

Roll covering with improved dynamic properties and good recovery performance

#14
20140287138
2014-09-25

Method of forming single face corrugated board

#15
20130340674
2013-12-26

Paper coating apparatus with multiple hot wax applicators and associated methods

#16
20130142953
2013-06-06

Method and apparatus for producing a non-uniform coating on a substrate

#17
20120222570
2012-09-06

Apparatus for applying indicia having a large color gamut on web substrates

#18
20110183121
2011-07-28

Method of forming single face corrugated board

#19
20100330279
2010-12-30

AQUEOUS DISPERSION, A COATED SUBJECT AND USE OF AN AQUEOUS DISPERSION

#20
20090312167
2009-12-17

Wire-Wound Engraving Roller and Method of Manufacturing the Same

#21
20080314544
2008-12-25

Method and Device for Applying a Coating Medium in a Machine Used for Producing a Fiber Web

#22
20060147637
2006-07-06

Method for coating a surface with a pattern of coating fluid