Global Patent Index - EP 3423631 B1

EP 3423631 B1 20220817 - METHOD OF PRODUCING A HIGH-STRETCH SACKPAPER

Title (en)

METHOD OF PRODUCING A HIGH-STRETCH SACKPAPER

Title (de)

VERFAHREN ZUR HERSTELLUNG VON SACKPAPIER MIT HOHER DEHNBARKEIT

Title (fr)

PROCÉDÉ DE PRODUCTION DE PAPIER À SACS TRÈS EXTENSIBLE

Publication

EP 3423631 B1 20220817 (EN)

Application

EP 17706833 A 20170228

Priority

  • EP 16157913 A 20160229
  • EP 2017054605 W 20170228

Abstract (en)

[origin: EP3211135A1] There is provided a sack paper, wherein: the grammage according to ISO 536 of 50-140 g/m 2 , such as 70-130 g/m 2 ; the Gurley value according to ISO 5636-5 of 15 s or lower, such as 13 s or lower; and the stretchability according to ISO 1924-3 in the machine direction is above 10 %, such as above 11 %, such as above 12 %. A method for producing the sack paper is also provided.

IPC 8 full level

D21H 25/00 (2006.01); D21F 9/00 (2006.01); D21H 27/10 (2006.01)

CPC (source: EP RU)

D21F 5/00 (2013.01 - RU); D21F 9/00 (2013.01 - EP); D21H 25/005 (2013.01 - EP RU); D21H 27/10 (2013.01 - EP RU)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3211135 A1 20170830; EP 3211135 B1 20180829; CA 3015024 A1 20170908; CA 3015024 C 20230822; CN 108884640 A 20181123; CN 108884640 B 20210525; EP 3423631 A1 20190109; EP 3423631 B1 20220817; ES 2932151 T3 20230113; RU 2726529 C1 20200714; WO 2017148921 A1 20170908

DOCDB simple family (application)

EP 16157913 A 20160229; CA 3015024 A 20170228; CN 201780013683 A 20170228; EP 17706833 A 20170228; EP 2017054605 W 20170228; ES 17706833 T 20170228; RU 2018130364 A 20170228