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.
申请公布号
WO2007012468(A2)
申请公布日期
2007.02.01
申请号
WO2006EP07345
申请日期
2006.07.26
申请人
MONDI PACKAGING AG;KASTNER, FRIEDRICH;ZOISTER, STEFAN;MADAI, GYULA