B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 51/16 (2006.01) B65D 81/34 (2006.01)
Patent
CA 2479143
The present invention concerns a single-use valve (1) for mounting on a package (2), particularly food packages the contents of which are to be heated in a microwave oven (3). The valve (1) is arranged to open in response to an excess pressure generated inside the package (2) upon heating of said package (2). The valve comprises an opening (4) formed in the package (2), on top of which opening (4) an adhesive layer (5) is applied. The valve (1) is also arranged to emit a sound signal when subjected to said pressure load.
La présente invention concerne une valve à usage unique (1) destinée à être montée sur un emballage (2), de préférence des emballages alimentaires dont les contenus sont chauffés dans un four à micro-ondes (3). La valve (1) est conçue pour s'ouvrir en réaction à une pression excessive générée dans l'emballage (2) par le chauffage de cet emballage (2). La valve comprend une ouverture (4) formée dans l'emballage (2). Une couche adhésive (5) est appliquée au sommet de cette ouverture (4). La valve (1) est conçue pour émettre un signal sonore lorsqu'elle est soumise à cette charge de pression.
Fetherstonhaugh & Co.
Micvac Ab
LandOfFree
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