G - Physics – 01 – K
Patent
G - Physics
01
K
217/21, 116/67
G01K 11/06 (2006.01) B65D 81/18 (2006.01)
Patent
CA 2016693
Abstract: A frozen foodstuffs thawing detector device A foodstuffs thawing detector device (1) comprised of a water-filled container (2) in which detection or marker means (5 or 10) is maintained in a stable position by the freezing of the water in the said container (2), where the said detection means will reach a position other than the said stable position when the water in the container melts. A preferred embodiment consists in a container (2) having an interior cavity defined by frusto-pyramidal formations (3) oriented in opposed directions and joined at their smaller bases in line with a central transverse plane (4); preferably, the said formations shall have a square base, and even a truncated arrangement (6) or the like, and detection means comprised of a ball member (5) having a high specific weight, maintained on the said central transverse plane (4) by the freezing of the water. In another embodiment, the detector device is comprised of two complementary parts, one in the shape of a container (2) and the other in the shape of a seal (2b) therefor, capable of forming a unit, so that they determine an interior cavity (3) having the shape of two frusto- pyramids. To enable filling of the interior cavity (3) with the freezable liquid, as well as the discharge of the possible air bubbles contained therein, the said seal is provided with intercommunicating holes (7 ) of small diameter through which the cavity communicates with the outside. Further, there is provided a perimetral flange (2c) which enables the detector to be coupled to the product packet to be controlled. In an alternative embodiment, the container is a simple pan (g) for the water (10), and the detection means is comprised of an amount of a water-soluble colouring (11) which will be poured into the pan once the water contained therein has frozen.
Garrido Vazquez Jose A.
Mcfadden Fincham
LandOfFree
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