Global Patent Index - EP 3786411 A1

EP 3786411 A1 20210303 - MULTILAYER DOOR LEAF

Title (en)

MULTILAYER DOOR LEAF

Title (de)

MEHRSCHICHTIGES TÜRBLATT

Title (fr)

VANTAIL DE PORTE MULTICOUCHE

Publication

EP 3786411 A1 20210303 (EN)

Application

EP 20191472 A 20200818

Priority

PL 43100919 A 20190830

Abstract (en)

A multilayer door leaf (1), according to the invention, has outer layers (2) made of a metal sheet. Between the outer layers 2 a damping-insulating layer (4) is arranged. Multilayer door leaf (1) is characterized in that the damping-insulating layer (4) is made of mineral wool and is positioned between two expanded polystyrene foam layers (3).

IPC 8 full level

E06B 3/70 (2006.01)

CPC (source: EP)

E06B 3/7015 (2013.01)

Citation (applicant)

Citation (search report)

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)

EP 3786411 A1 20210303; PL 431009 A1 20210308

DOCDB simple family (application)

EP 20191472 A 20200818; PL 43100919 A 20190830