Reclosable Microwave-Suitable Packaging
OwnerFriedrich Kastner, Stefan Zoister +1inventors
InventorsFriedrich Kastner, Stefan Zoister, Gyula Madai
Life of this patent
Estimating the term…
Abstract
The invention relates to a packaging suited for heating in microwave ovens, ovens or double boilers, which is comprised of a multilayer film material having at least one area that is rendered permeable when an internal pressure generated by the microwave heating is exceeded. The invention is characterized in that this area is formed by a microperforation that is covered by a label or by a hot stamping film or by a varnish coating.
Claims11
1) Packaging suitable for heating in the microwave, oven, or water bath consisting of a multi-layered film material having at least one area which becomes permeable when the internal pressure produced by the microwave heating is exceeded characterized by this area being produced by a microperforation covered by a label, hot stamping film, or a varnish coating.
Dependencies are inferred from the claim text.