D21H5/2657 - CPC Classification Index

ClassID:

126813 ⎘

D21H5/2657 - CPC Classification

Classification description:

Special paper or cardboard not otherwise provided for; Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material, e.g. paper pulp; Treatment of the formed web Consolidation

Sub-classes:

D21H5/2664 » {Addition of a binder, e.g. synthetic resins or water} 0
D21H5/2671 » {Compression of the web, optionally with the use of a binder} 0