Patent ID: 6625956
Filing Date: 2003-09-30
Classification: B29C

Abstract:
A device for continuously manufacturing foam cushions for packaging purposes, said device comprising a supply station and a foam dispensing station, said supply station being provided for continuously supplying to the dispensing station a web of envelope forming material positioned in a face to face relationship so as to form a folded-over edge, said dispensing station comprising a dispensing member provided for supplying a foaming substance into said envelope forming material, said dispensing member having an output oriented towards said edge, said device further comprises transport means provided for transporting said material through said dispensing station according to a predetermined direction, said device also comprises a sealing member provided on the one hand for forming a first and a second seam spaced apart from each other and extending substantially perpendicular to said direction and a third intermittent seam substantially parallel to said direction, said device comprising a cutting member provided for applying a cutting line between said first and second seam, characterised in that said transport means are provided for transporting said web material in a substantially horizontal direction and comprises a guiding and clamping unit provided for guiding said edge along said direction and clamping said material over a predetermined stroke extending from said edge in a direction substantially perpendicular to said direction.