Global Patent Index - EP 1522648 A1

EP 1522648 A1 20050413 - Flat wall panel at least substantially made of cellulose material

Title (en)

Flat wall panel at least substantially made of cellulose material

Title (de)

Flaches Wandelement aus Zellulose

Title (fr)

Elément de paroi plat en cellulose

Publication

EP 1522648 A1 20050413 (EN)

Application

EP 04104942 A 20041008

Priority

NL 1024505 A 20031010

Abstract (en)

A flat wall panel at least substantially made of cellulose material, a special feature being the fact that the wall panel is at least substantially made of layers (2) of paper/cardboard, each layer at least substantially being made up of a corrugated sublayer and a flat sublayer provided on one side thereof, which layers of paper/cardboard are interconnected via an adhesive applied to the corrugations of the corrugated sublayers, wherein the wall panel is impregnated, in particular with a resinous material, and wherein at least one strengthening layer (3) having a greater elasticity modulus than the layers (2) of paper/cardboard is provided, which strengthening layer (3) is connected to a layer (2) of paper/cardboard on one side of the wall panel via an adhesive. <IMAGE>

IPC 1-7

E04C 2/34; E04C 2/24

IPC 8 full level

E04C 2/24 (2006.01); E04C 2/34 (2006.01)

CPC (source: EP US)

E04C 2/3405 (2013.01 - EP US); E04C 2002/345 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1522648 A1 20050413; EP 1522648 B1 20070214; AT E354005 T1 20070315; CA 2484414 A1 20050410; DE 602004004717 D1 20070329; DE 602004004717 T2 20071122; NL 1024505 C2 20041004; US 2005138879 A1 20050630

DOCDB simple family (application)

EP 04104942 A 20041008; AT 04104942 T 20041008; CA 2484414 A 20041008; DE 602004004717 T 20041008; NL 1024505 A 20031010; US 96133204 A 20041008