ClassID:

126481

D21D1/40 - CPC Classification

Classification description:

Methods of beating or refining; Beaters of the Hollander type; Methods of refining Washing the fibres

Recent Application in this class:
#1
20230175205
2023-06-08

PRETREATMENT METHODS FOR COTTON TEXTILE WASTE FABRIC

#2
20220162798
2022-05-26

System and process for refining lignocellulosic biomass material

#3
20210370324
2021-12-02

Alignment device and method for aligning a shower bar nozzle flange

#4
20190217232
2019-07-18

Preparation method of cotton bast fiber and chitosan composite non-woven fabric for filtration

#5
20150361617
2015-12-17

Apparatus for washing and/or dewatering of cellulose pulp

#6
20150034733
2015-02-05

ASSEMBLY FOR WASHER SHOWER PIPE AND METHOD TO ADJUST OPEN AREA OF ORIFICES IN THE PIPE

#7
20140318723
2014-10-30

Method for using washer press with multiple nips and multiple displacement wash zones

#8
20140262097
2014-09-18

System for washing and dewatering pulp

#9
20130192775
2013-08-01

Washer press with multiple nips and multiple displacement wash zones

#10
20110303380
2011-12-15

Arrangement for washing and dewatering cellulose pulp

#11
20110042026
2011-02-24

Distribution device for feeding of cellulose pulp

#12
20110017646
2011-01-27

Apparatus for washing and dewatering pulp

#13
20100294708
2010-11-25

Apparatus for washing and dewatering pulp

#14
20100276094
2010-11-04

Apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus

#15
20100269997
2010-10-28

Apparatus for washing and dewatering pulp

#16
20100205796
2010-08-19

Method to assemble wash liquid spray nozzles for a pulp mat

#17
20100155007
2010-06-24

Arrangement for washing and dewatering cellulose pulp

#18
20070210015
2007-09-13

Dual Zone Wireless Pulp Washer

#19
20070163630
2007-07-19

Wash liquid spray nozzles for pulp mat and method to assemble nozzle

#20
20050230306
2005-10-20

Perforated deck made out of a plurality of segments

#21
20050126725
2005-06-16

Method for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web