| 摘要 |
A packaging ( 1 ) for a material that can be heated, especially microwave-heated, in the packaged state, which packaging has at least one sealing region ( 5 ) which becomes locally permeable when a predetermined internal pressure is exceeded. The or each sealing region of such a kind has at least one intended passage region ( 7, 9 ), which comprises a choke ( 9 ) for the contents of the packaging and an apex ( 7 ) pointing towards the interior of the packaging. As the choke there is used a channel-like, triangular or star-shaped interrupt ion or cut-out.
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