Global Patent Index - EP 4199776 B1

EP 4199776 B1 20240221 - MULTI-LAYERED FILMS FOR USE IN AIRBAGS AND FOOTWEAR

Title (en)

MULTI-LAYERED FILMS FOR USE IN AIRBAGS AND FOOTWEAR

Title (de)

MEHRSCHICHTIGE FOLIEN ZUR VERWENDUNG IN AIRBAGS UND SCHUHWERK

Title (fr)

FILMS MULTICOUCHES DESTINÉS À ÊTRE UTILISÉS DANS DES COUSSINS D'AIR ET ARTICLES CHAUSSANTS

Publication

EP 4199776 B1 20240221 (EN)

Application

EP 22757794 A 20220727

Priority

  • US 202163203596 P 20210727
  • US 2022074175 W 20220727

Abstract (en)

[origin: WO2023010027A1] Airsoles or bladders for articles of footwear comprising multi-layered films are provided herein. In one aspect, the airsoles or bladders comprise a first sheet and a second sheet, wherein a first side of the first sheet faces a second side of the second sheet, wherein the first sheet and the second sheet are bonded together to form an internal cavity in a space between the first side of the first sheet and the second side of the second sheet, forming a bladder capable of retaining a gas in the internal cavity at a pressure above atmospheric pressure, at atmospheric pressure, or below atmospheric pressure; and wherein each of the first sheet and the second sheet comprise a multi-layered film comprising: a core region comprising at least 20 gas-barrier layers and a plurality of elastomeric layers, wherein the gas-barrier layers alternate with the elastomeric layers.

IPC 8 full level

A43B 13/12 (2006.01); A43B 13/18 (2006.01); A43B 13/20 (2006.01)

CPC (source: EP US)

A43B 13/023 (2013.01 - US); A43B 13/04 (2013.01 - US); A43B 13/125 (2013.01 - EP); A43B 13/187 (2013.01 - EP); A43B 13/188 (2013.01 - EP); A43B 13/20 (2013.01 - US); A43B 13/206 (2013.01 - EP)

Citation (examination)

US 2020121022 A1 20200423 - EDWARDS CHARLES R [US], et al

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)

WO 2023010027 A1 20230202; CN 116471956 A 20230721; EP 4199776 A1 20230628; EP 4199776 B1 20240221; US 2023042813 A1 20230209

DOCDB simple family (application)

US 2022074175 W 20220727; CN 202280007412 A 20220727; EP 22757794 A 20220727; US 202217815229 A 20220727