Global Patent Index - EP 3749514 B1

EP 3749514 B1 20210811 - METHOD AND APPARATUS FOR JOINING PAPER MATERIAL

Title (en)

METHOD AND APPARATUS FOR JOINING PAPER MATERIAL

Title (de)

VERFAHREN UND VORRICHTUNG ZUM FÜGEN VON PAPIERMATERIAL

Title (fr)

PROCÉDÉ ET DISPOSITIF D'ASSEMBLAGE DE MATÉRIAU EN PAPIER

Publication

EP 3749514 B1 20210811 (DE)

Application

EP 20706221 A 20200219

Priority

  • DE 102019202850 A 20190301
  • EP 2020054278 W 20200219

Abstract (en)

[origin: WO2020178024A1] The present invention relates to a method for joining paper material (2, 3) in a first joining region (20) and a second joining region (30), comprising the steps of: roughening the first joining region (20) and/or the second joining region (30), moistening the first joining region (20) and/or the second joining region (30), and joining the first and second joining region (20, 30) between a sonotrode (60) and an anvil (63) of an ultrasonic friction welding apparatus (6) by means of ultrasonic friction welding, wherein a vibration direction (A) of the sonotrode (60) is not parallel to a joining force direction (B) of a joining force of the anvil (63).

IPC 8 full level

B31F 5/00 (2006.01)

CPC (source: EP US)

B31F 5/008 (2013.01 - EP US)

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)

DE 102019202850 A1 20200903; CN 113518708 A 20211019; CN 113518708 B 20220823; EP 3749514 A1 20201216; EP 3749514 B1 20210811; ES 2897510 T3 20220301; JP 2022517438 A 20220308; JP 7143536 B2 20220928; US 11541623 B2 20230103; US 2022048271 A1 20220217; WO 2020178024 A1 20200910

DOCDB simple family (application)

DE 102019202850 A 20190301; CN 202080017797 A 20200219; EP 2020054278 W 20200219; EP 20706221 A 20200219; ES 20706221 T 20200219; JP 2021551856 A 20200219; US 202017433651 A 20200219