PACKAGING AND SEALING TOOL FOR PRODUCTION THEREOF

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.