D21D1/02 - CPC Classification Index

ClassID:

126460 ⎘

D21D1/02 - CPC Classification

Classification description:

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

Sub-classes:

D21D1/04 » Beater rolls or bars 1
D21D1/06 » Bed plates 4
D21D1/08 » Beaters with means for driving the pulp quickly 1
D21D1/10 » Beaters with means for regulating the pressure between the beater roll and the bed plate 0
D21D1/12 » Beaters with means for continuous pulp discharge 0
D21D1/14 » Beaters with one beater roll and with vertical stuff circulation canal 0
D21D1/16 » Beaters with means for returning the pulp over the head of the beater roll 0
D21D1/18 » Beaters with two or more beater rolls 1

Recent Application in this class:

20240295074

METHODS FOR PRODUCING PULP AND PAPER PRODUCTS FROM PLANTS HAVING BAST AND HURD FIBERS

20230340727

Environmentally-friendly method for enhancing mechanical properties of high antibacterial nano dialysis paper for medical protection

20220002945

Production of modified pulp

20210189652

Method of preparing recycled cellulosic fibers to improve paper production

20210010204

Aramid fiber far-infrared emitting paper and preparation method thereof

20200270814

Defibrated material manufacturing device, and sheet manufacturing apparatus

20200248405

PROCESS TO REDUCE THE OVERALL ENERGY CONSUMPTION IN THE PRODUCTION OF NANOCELLULOSE

20190217232

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

20190032280

Defibrated material manufacturing device, and sheet manufacturing apparatus

20180291556

Method for engineering fibers to improve paper production

20170022662

Method for processing grass for manufacturing paper, paperboard and cardboard

20160199847

Sheet manufacturing apparatus, paper supplying device, and paper shredding device

20130276998

PRETREATMENT APPARATUS FOR REMOVING PITH FROM CORNSTALK, PULP MANUFACTURING METHOD USING CORNSTALK, AND PAPER MANUFACTURING METHOD USING CORNSTALK PULP

20110226428

Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper

20090047497

GRASS (HERBACEOUS PLANT) FIBER

20080078518

Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paper

20080057307

Process for producing nanofibers