Global Patent Index - EP 2625338 B1

EP 2625338 B1 20160928 - METHOD FOR FOAMING A PLASTIC FOAM LAYER ON

Title (en)

METHOD FOR FOAMING A PLASTIC FOAM LAYER ON

Title (de)

VERFAHREN ZUM ANSCHÄUMEN EINER KUNSTSTOFFSCHAUMSCHICHT

Title (fr)

PROCÉDÉ DE MOUSSAGE D'UNE COUCHE DE MOUSSE PLASTIQUE

Publication

EP 2625338 B1 20160928 (DE)

Application

EP 11767887 A 20110907

Priority

  • AT 16512010 A 20101004
  • AT 2011000365 W 20110907

Abstract (en)

[origin: WO2012045100A1] The invention relates to a method for foaming a plastic foam layer (1), in particular made of polyurethane foam, onto an outer surface (2), in particular a lower face, of a railway crosstie (3), wherein a reaction mixture (4) for forming the plastic foam layer (1) is foamed onto a base surface (5) and the railway crosstie (3) is arranged over the base surface (5) at a distance (7) with the outer surface (2) of the railway crosstie facing the base surface (5) while the reaction mixture is foamed on and the plastic foam layer (1) is fastened to the outer surface by means of foaming on only when the plastic foam layer reaches the outer surface (2).

IPC 8 full level

E01B 3/46 (2006.01)

CPC (source: EP)

E01B 3/46 (2013.01)

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)

AT 510274 A4 20120315; AT 510274 B1 20120315; EP 2625338 A1 20130814; EP 2625338 B1 20160928; WO 2012045100 A1 20120412

DOCDB simple family (application)

AT 16512010 A 20101004; AT 2011000365 W 20110907; EP 11767887 A 20110907