US 12,331,464 B2
Electrically conductive paper structure, method for manufacturing same and use
Rudolf Seidler, Gmund (DE); Daniel Lenssen, Munich (DE); Maik Rudolf Johann Scherer, Grainau (DE); Christoph Hunger, Hausham (DE); and Erwin Bacher, Hausham (DE)
Assigned to GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich (DE)
Appl. No. 17/608,688
Filed by GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH, Munich (DE)
PCT Filed Apr. 27, 2020, PCT No. PCT/EP2020/025191
§ 371(c)(1), (2) Date Nov. 3, 2021,
PCT Pub. No. WO2020/224800, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 10 2019 003 281.0 (DE), filed on May 9, 2019.
Prior Publication US 2022/0213651 A1, Jul. 7, 2022
Int. Cl. D21H 13/48 (2006.01); D21H 15/06 (2006.01); D21H 17/67 (2006.01); D21H 21/14 (2006.01); D21H 27/34 (2006.01)
CPC D21H 13/48 (2013.01) [D21H 15/06 (2013.01); D21H 17/67 (2013.01); D21H 21/14 (2013.01); D21H 27/34 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An electroconductive paper structure, comprising:
at least one electroconductive paper ply with cellulosic fibrous materials and electroconductive fibers, and
a plurality of continuous, electroconductive threads embedded in and surrounded on at least three sides by the electroconductive paper ply for contacting the electroconductive paper structure from one end to the opposite end of the paper structure to provide a current to the electroconductive paper ply;
wherein the electroconductive paper structure is a heating element.