B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 79/02 (2006.01) G01K 11/06 (2006.01) G01K 11/12 (2006.01)
Patent
CA 2404892
In a first aspect, the invention relates to a package (1) for keeping goods in a temperature-decreased, preservative state, in which the temperature should have a certain desired value. According to the invention, the package is connected to a temperature indicator (2) comprising means, which preserves a certain property when the temperature of the goods is decreased towards and past a predetermined limit value, which is at least somewhat higher than said desired value, but which alters this property in an irreversible way if the temperature during the storage would rise to or above said limit value. Advantageously, the temperature indicator (2) may be transparent as long as the temperature is lower than said limit value, but become opaque when the limit value is exceeded, e.g. in order to make reading of a bar-code (8) impossible. In a second aspect, the invention also relates to the temperature indicator as such.
L'invention concerne, d'une part, un paquet (1) permettant de conserver des marchandises dans un état de conservation à température réduite dans lequel la température doit avoir une certaine valeur souhaitée. Selon l'invention, le paquet est relié à un indicateur de température (2) comprenant un moyen qui conserve une certaine propriété lorsque la température de la marchandise est ramenée à et en-deçà d'une valeur limite prédéterminée qui est au moins légèrement supérieure à la valeur souhaitée, mais qui altère cette propriété de manière irréversible si la température pendant le stockage devait s'élever à et au-delà de cette valeur limite. Avantageusement, l'indicateur de température (2) est transparent tant que la température est inférieure à cette valeur limite mais devient opaque lorsque cette valeur limite est dépassée, notamment pour rendre impossible la lecture d'un code barre (8). L'invention concerne, d'autre part, l'indicateur de température en question.
Norrby Henry
Nygardh Mats
Mcfadden Fincham
Norrby Henry
Nygardh Mats
LandOfFree
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