EP 4355161 A1 20240424 - 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 DES ARTICLES CHAUSSANTS
Publication
Application
Priority
- US 202163203600 P 20210727
- US 2022074174 W 20220727
Abstract (en)
[origin: WO2023010026A1] 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); A43B 23/02 (2006.01)
CPC (source: EP 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); A43B 23/029 (2013.01 - EP)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2023010026 A1 20230202; CN 117500403 A 20240202; EP 4355161 A1 20240424; US 2023043845 A1 20230209
DOCDB simple family (application)
US 2022074174 W 20220727; CN 202280043168 A 20220727; EP 22757793 A 20220727; US 202217815227 A 20220727