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.:
Date of Patent:
Feb. 25, 2020
Filed:
Nov. 03, 2016
Applicant:
Billerudkorsnas Ab, Solna, SE;
Inventors:
Fredrik Nordstrom, Karlstad, SE;
Marie Svending, Karlstad, SE;
Assignee:
BILLERUDKORSNAS AB, Solna, SE;
Primary Examiner:
Int. Cl.
CPC ...
D21H 27/10 (2006.01); D21H 11/04 (2006.01); D21H 17/62 (2006.01); B65D 75/44 (2006.01); B65B 9/20 (2012.01); B65B 9/12 (2006.01);
U.S. Cl.
CPC ...
D21H 27/10 (2013.01); B65B 9/12 (2013.01); B65B 9/20 (2013.01); B65D 75/44 (2013.01); D21H 11/04 (2013.01); D21H 17/62 (2013.01);
Abstract
There is provided a Kraft paper, wherein: the grammage according to ISO 536 is 60-120 g/m; the bending resistance index in the machine direction is 105-200 Nm/kg; the bending resistance index in the cross direction is 60145 Nm/kg(the bending resistance indexes are tested according to ISO 2493 using a bending angle of 15° and a test span length of 10 mm); the strain at break according to ISO 1924-3 in the machine direction is at least 3%; and the strain at break according to ISO 1924-3 in the cross direction is at least 5%.