公开(公告)号：US20230407568A1

公开(公告)日：2023-12-21

申请号：US18223509

申请日：2023-07-18

Applicant: Billerudkorsnas AB

Inventor： Irina Rauvanto ,  Lars Hilden

IPC: D21H11/00 ,  D21D1/20 ,  D21H27/00 ,  D21J1/08 ,  D21J3/10

CPC classification number: D21H11/00 ,  D21D1/20 ,  D21H27/00 ,  D21J1/08 ,  D21J3/10

Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.

公开(公告)号：US11746472B2

公开(公告)日：2023-09-05

申请号：US16621926

申请日：2018-06-20

Applicant: Billerudkorsnas AB

Inventor： Irina Rauvanto ,  Lars Hilden

IPC: D21H11/00 ,  D21D1/20 ,  D21H27/00 ,  D21J1/08 ,  D21J3/10

CPC classification number: D21H11/00 ,  D21D1/20 ,  D21H27/00 ,  D21J1/08 ,  D21J3/10

Abstract: There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.