logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11814227 B1

PDFFull Text
Date of Patent:
Nov. 14, 2023

Filed:

Nov. 03, 2020

High-strength fluting from nssc pulp

Applicant:

Billerudkorsnas Ab, Solna, SE;

Inventor:

Fredrik Nordstrom, Karlstad, SE;

Assignee:

BillerudKorsnas AB, Solna, SE;

Attorneys:

Stites & Harbison PLLC

Richard S. Myers, Jr.

Primary Examiner:

Alicia J Weydemeyer

Assistant Examiner:

Laura B Figg

Int. Cl.
CPC ...
B65D 65/40 (2006.01); B65D 81/38 (2006.01); D21H 27/10 (2006.01); D21H 27/40 (2006.01); D21F 3/02 (2006.01); D21F 11/12 (2006.01); D21H 11/02 (2006.01); B65D 85/34 (2006.01);
U.S. Cl.
CPC ...
B65D 65/403 (2013.01); B65D 81/386 (2013.01); B65D 85/34 (2013.01); D21F 3/0209 (2013.01); D21F 3/0218 (2013.01); D21F 11/12 (2013.01); D21H 11/02 (2013.01); D21H 27/10 (2013.01); D21H 27/40 (2013.01);
Abstract

There is provided a method of producing a containerboard, comprising the step of pressing a web formed from a pulp comprising NSSC pulp in an extended nip press, such as a shoe press, wherein the line load in the extended nip press is above 1200 kN/m. Further, there is provided a corrugated board comprising a liner and a fluting, wherein the fluting is formed from a pulp comprising NSSC pulp, the density of the fluting is above 725 kg/mand the geometric SCT index (ISO 9895) of the fluting is above 37 Nm/g.

Find Patent Forward Citations

Nordstrom, Fredrik. (2023). High-strength fluting from nssc pulp (U.S. Patent No. 11814227). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11814227

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…