Method of producing packaging material in the form

专利名称：Method of producing packaging material in

the form of a continuous laminate web

发明人：Rolf Lasson申请号：US10760306申请日：20040121

公开号：US20040149381A1公开日：20040805

专利附图：

摘要：The invention relates to a method of producing packaging material in the formof a continuous laminate web () and being of the type which includes a core layer () ofpaper or cardboard whose one face displays a layer () which is disposed outside the core

layer () and includes first an aluminium foil () and secondly a plastic coating () disposedoutside the aluminium foil layer. Throughout its entire surface, the core layer () is coveredwith the above-mentioned layer (), while along selected portions it extends out over theedges of the core layer (). The above-mentioned layer () is formed in that the aluminiumfoil () and at least one thermoplastic material () are laminated to one another by beingbrought together between two rollers () of which the one roller consists of a cooledroller and the other roller consists of a roller which is heated to a temperature

exceeding the melting temperature of the thermoplastic. The above-mentioned formedlayer () is brought together with the core layer () between two cooled rollers () and co-laminated with the adhesive or binder layer of thermoplastic.

申请人：TETRA LAVAL HOLDINGS & FINANCE S.A.

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