Global Patent Index - EP 3880458 A1

EP 3880458 A1 20210922 - MULTIPLE WALL COMPRISING A MICROCELLULAR STRUCTURE

Title (en)

MULTIPLE WALL COMPRISING A MICROCELLULAR STRUCTURE

Title (de)

MEHRSCHICHTWAND MIT MIKROZELLULARER STRUKTUR

Title (fr)

PAROI MULTICOUCHE À STRUCTURE MICROCELLULAIRE

Publication

EP 3880458 A1 20210922 (DE)

Application

EP 19824258 A 20191211

Priority

  • DE 102018132007 A 20181212
  • EP 2019084614 W 20191211

Abstract (en)

[origin: WO2020120558A1] The invention relates to a multiple wall, in particular of thermally insulated hollow bodies or containers (30), the multiple wall (20) comprising at least one inner layer (21), a barrier layer (22) and an outer layer (23), said barrier layer (22) being designed to form a barrier for oxygen and/or steam; the inner layer (21) and/or the outer layer (23) has or have a microcellular structure (24); the microcellular structure (24) has fluid bubbles (25) and the fluid bubbles (25) are the product of a foaming agent that is physically and/or chemically introduced.

IPC 8 full level

B32B 1/02 (2006.01); B32B 5/20 (2006.01)

CPC (source: EP US)

B29C 49/0005 (2013.01 - EP); B29C 49/04 (2013.01 - US); B29C 49/22 (2013.01 - EP US); B32B 1/00 (2013.01 - EP); B32B 5/20 (2013.01 - EP US); B32B 7/027 (2018.12 - EP); B32B 7/12 (2013.01 - EP); B32B 27/065 (2013.01 - EP US); B32B 27/08 (2013.01 - EP); B32B 27/306 (2013.01 - EP US); B32B 27/32 (2013.01 - EP); B32B 27/325 (2013.01 - EP US); B65D 81/38 (2013.01 - US); B65D 81/3846 (2013.01 - EP); B29C 49/04 (2013.01 - EP); B29K 2023/086 (2013.01 - US); B29K 2105/041 (2013.01 - EP US); B29K 2223/086 (2013.01 - EP); B29K 2995/0015 (2013.01 - US); B29K 2995/0067 (2013.01 - EP US); B29K 2995/0069 (2013.01 - EP); B29L 2031/7158 (2013.01 - US); B32B 2250/03 (2013.01 - EP); B32B 2250/04 (2013.01 - EP); B32B 2250/05 (2013.01 - EP); B32B 2250/40 (2013.01 - EP); B32B 2255/10 (2013.01 - EP); B32B 2255/26 (2013.01 - EP); B32B 2266/025 (2013.01 - EP); B32B 2266/0292 (2013.01 - EP); B32B 2266/08 (2013.01 - EP); B32B 2266/104 (2016.10 - EP US); B32B 2274/00 (2013.01 - EP); B32B 2307/304 (2013.01 - EP US); B32B 2307/51 (2013.01 - EP); B32B 2307/7244 (2013.01 - EP US); B32B 2307/7246 (2013.01 - EP US); B32B 2307/732 (2013.01 - US); B32B 2307/7376 (2023.05 - EP); B32B 2439/60 (2013.01 - EP US); B32B 2439/80 (2013.01 - EP)

Citation (search report)

See references of WO 2020120558A1

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

DOCDB simple family (publication)

WO 2020120558 A1 20200618; DE 102018132007 A1 20200618; EP 3880458 A1 20210922; US 2022017286 A1 20220120

DOCDB simple family (application)

EP 2019084614 W 20191211; DE 102018132007 A 20181212; EP 19824258 A 20191211; US 201917294937 A 20191211