Opening device and apparatus for moulding an opening device on a sheet packaging material

An opening device for a package made of a sheet packaging material-said sheet packaging material comprising at least a first layer and a second layer, and having a hole formed through said first layer and sealed by a cover portion of said second layer-is made of plastic material molded onto said cov...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Golfieri, Daniele, Cani, Franco
Format: Patent
Sprache:eng
Schlagworte:
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