FR2656691A1 - Device for checking the continuity of the cold chain in the distribution of products at negative or positive temperatures - Google Patents

Device for checking the continuity of the cold chain in the distribution of products at negative or positive temperatures Download PDF

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Publication number
FR2656691A1
FR2656691A1 FR9000135A FR9000135A FR2656691A1 FR 2656691 A1 FR2656691 A1 FR 2656691A1 FR 9000135 A FR9000135 A FR 9000135A FR 9000135 A FR9000135 A FR 9000135A FR 2656691 A1 FR2656691 A1 FR 2656691A1
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FR
France
Prior art keywords
constituted
integral assembly
covered
cell
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR9000135A
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French (fr)
Inventor
Dargent Yvon Alfred
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DARGENT YVON
Original Assignee
DARGENT YVON
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DARGENT YVON filed Critical DARGENT YVON
Priority to FR9000135A priority Critical patent/FR2656691A1/en
Publication of FR2656691A1 publication Critical patent/FR2656691A1/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/06—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using melting, freezing, or softening

Abstract

The present invention relates to a device which allows visual checking of an abnormal rise in temperature, in a distribution chain of products preserved by the action of cold at negative or positive temperatures. It is composed of an integral assembly constituted, according to Figs. 1 and 2: - of a reserve (2) containing a liquid (1) covered with an absorbent material (3), according to Fig. 3: - of a support (4) covered with a chemical compound (5) exhibiting variable polymerisation. One of these integral assemblies is placed in the cavity (6) constituted by juxtaposing the walls (7 and 8), obstructed in their lower part by material (10). The device thus constituted is placed inside the packaging unit of the product to be checked, in an orifice (12) provided for this purpose, and fixed thereto by the adhesive coating (13). Any variating temperature after this device has been installed will have the effect of irreversibly changing the appearance of the integral assembly used.

Description

La présente invention concerne un dispositif qui permet le contrôle visuel d'une élévation anormale de la températureJ dang une channe de distribution de produits conservés par l'action du froid a des températures négatives ou positives. The present invention relates to a device which allows visual control of an abnormal rise in temperature in a distribution channel for products preserved by the action of cold at negative or positive temperatures.

Il est impératif pour la fiabilité de ce contrôle que le dispositif en place dans l'unité de condiWonnement du produit à contrôler, puisse fonctionner infalliblement dans n'importe quelle position, qu'il soit insensible aux variations de température temporaires dem ces surfaces extérieures et qu'il tienne compte dans son fonctionnement, de la température intérieur de cette unite de conditionnement. It is imperative for the reliability of this control that the device in place in the conditioning unit of the product to be controlled, be able to function infallibly in any position, that it be insensitive to temporary temperature variations on these external surfaces and that it takes into account in its operation, the interior temperature of this packaging unit.

Le dispositif selon l'invention intégre tout ces paramètres. I1 est composé en cela de deux parties distinctes:
- La premiere partie qui forme un ensemble solidaires assure dans son fonctionnement et en toute po-sitionJ le controle et la révélation de manière irreversible de toute élévation anormale des la température.The device according to the invention integrates all these parameters. It is made up of two distinct parts:
- The first part which forms an integral unit ensures in its operation and in all po-sitionJ the control and the revelation in an irreversible way of any abnormal rise in temperature.

- La deuxième partie chargee de recevoir cet ensemble, est constituée de deux parois juxtaposées formant une alvéole, obstruée dans sa partie inferieureZ
Elle fait office de regulateur thermique.- The second part responsible for receiving this set, consists of two juxtaposed walls forming a cell, obstructed in its lower partZ
It acts as a thermal regulator.

Selon des modes particuliers de réalisation:
- La taille et la forme de ce dispositif sera déterminée par l'importance et la nature de ltunite de conditionnement à controler, celles-ci ne pouvant en rien affecter son bon fonctionnement.According to particular embodiments:
- The size and shape of this device will be determined by the size and nature of the packaging unit to be checked, which cannot in any way affect its proper functioning.

- L'ensemble solidaire contituant le dispositif de controle et de régulation á trois variantes. - The integral assembly constituting the control and regulation device in three variants.

Les dessins anneses illustrent l'invention:
Les figures 1, 2 et 3 représentent en coupe les variantes due l'ensemble solidaire du Dispositif. The annes drawings illustrate the invention:
Figures 1, 2 and 3 show in section the variants due to the integral assembly of the Device.

la figure 4 represente en coupe les différentes parties du dispositif qui constitue l'alvéole. Figure 4 shows in section the different parts of the device which constitutes the cell.

Xlon Fig i 2:
- Un liquide coloré(i) (ex: eau samuré + colorant rouge carmin, ou toute autre association)w ayant selon sa nature et sa composition une plage de solidifacation et de liquéfaction variable sous l'effet d#un abaissement où d'une elevaf-ion de la température, est enferme ans un réservoir(2) étanche et hermétique.Xlon Fig i 2:
- A colored liquid (i) (ex: saturated water + carmine red dye, or any other combination) w having, depending on its nature and composition, a variable solidification and liquefaction range under the effect of a reduction or a temperature elevaf-ion, is enclosed in a sealed and hermetic tank (2).

Ce réservoir(2) réalisé en quelque matière que ce soit (ex. verre où matière plastique de toutes sortes) et de quelque forme que se soit, (ex: ovoïde, cylindrique où toute autre), est totalement rempli de ce liquide(i). This reservoir (2) made of any material (eg glass or plastic of all kinds) and of whatever form (eg: ovoid, cylindrical or any other), is completely filled with this liquid (i ).

Ce réservoir(2) ainsi rempli est entierement recouvert d'une matiére(3) possèdant des qualités absorbants (ex: ouate de cellulose où toute autre).  This reservoir (2) thus filled is completely covered with a material (3) having absorbent qualities (eg cellulose wadding or any other).

Cette matière absorbante(3) de couleur claire (ex: blanche ou toute autre), est appliquée directement sur le réservoir(Fig 1), où préalablement moulée en forme de gélule(fig 2) pouvant recevoir en son sein le dit réservoir(2)
L'interet de l'ensemble solidaire ainsi composé (liquide, réservoir, matière absorbante), est de fonctionner qu'elle que soit sa position, sans jamais souiller l'alvéole qui le renferme, et de pouvoir sans précaution particulière, attendre sa mise en application.This absorbent material (3) of light color (ex: white or any other), is applied directly to the reservoir (Fig 1), where previously molded into the shape of a capsule (fig 2) which can receive within it the said reservoir (2 )
The interest of the integral assembly thus composed (liquid, reservoir, absorbent material), is to function whatever its position, without ever contaminating the cell which contains it, and to be able without waiting for particular precautions, to wait for its setting in application.

Lors d'un premier abaissement de la température au seuil de solidification prédéfini par la nature et la composition du liquide(1) qu'il renferme1 sous l'action de la dilatation le réservoir(2) perd Ces propriétés d'étanchéité
Lors d'une élévation de la température supérieure au seuil de liquéfaction prédéfini par la nature et la composition du liquideti) renferme dans le réservoir(2) ayant perdu du fait de l'action précédente ces propriétés $d'étanchéité, le liquide(1) par capillarité modifie l'apparence du composant absorbant(3) qui le renferme par sa colorations et ce de façon irréversible.During a first lowering of the temperature to the solidification threshold predefined by the nature and composition of the liquid (1) which it contains1 under the action of expansion the reservoir (2) loses these sealing properties
When the temperature rises above the liquefaction threshold predefined by the nature and composition of the liquid () contains in the tank (2) having lost due to the previous action these sealing properties $, the liquid (1 ) by capillary action modifies the appearance of the absorbent component (3) which encloses it by its coloring and this in an irreversible manner.

L'adaptation de la nature et de la composition du liquide(1) contenu dans le réservoir(2) aux critères du controle à effectuer, permet de couvrir toutes les plages de températures
L'utilisation de ia matière absorbante(31 quelqu'elle soit, en couche unique ou multiples et la variation de sa nature ou de sa composition aura pour effet de permettre le controle de son pouvoir absorbant et, partant de la, la prise en compte d'un facteur temps dans la progression de ce liquide(1) au travers de cette matière(3).The adaptation of the nature and composition of the liquid (1) contained in the tank (2) to the criteria of the control to be performed, makes it possible to cover all the temperature ranges
The use of absorbent material (whatever it is, in a single or multiple layer and the variation of its nature or of its composition will have the effect of allowing the control of its absorbent power and, consequently, taking into account a time factor in the progression of this liquid (1) through this material (3).

Dans le cas ou la matière utilisée pour la fabrication du reservoir(2) serait le verre, le fait de placer celui-ci a l'intérieur de la matière absorbante(3) et qu'il soit protégé par la double parois(7 & 8) de l'alvéole(6), offre la plus grande sécurité.  In the case where the material used for the manufacture of the reservoir (2) would be glass, the fact of placing it inside the absorbent material (3) and that it is protected by the double walls (7 & 8) of the cell (6), offers the greatest security.

Selon Fig 3:
- L'ensemble solidaire est constitué par un support(4) réalise en quelque matière que ce soit (es: polystyrène où tout autre) et de quelque forme que ce soit (ex: ovoïde, cylindrique où toute autre), recouvert d'un compose chimique(6)à polymérisation variable et irréversible, réagissant aux variations de température.According to Fig 3:
- The integral assembly is constituted by a support (4) made of any material whatsoever (es: polystyrene or any other) and of any shape whatsoever (eg ovoid, cylindrical or any other), covered with a chemical compound (6) with variable and irreversible polymerization, reacting to temperature variations.

La nature, la composition et la couleur de ce compose chimique(5) seront determinées par la plage de température à contrôler
Selon Fig 4:
L'un des ensembles ainsi contitué (Fig I, Fig 2 où
Fig. 3), est placé dans une alovéole(6) à double parois(7 & BR< 8), obstruée dans sa partie inférieure par une couche largement dimensionnee(10) d'un composant bon conducteur de frigories (ex: feuille d'aluminium où toute autre).The nature, composition and color of this chemical compound (5) will be determined by the temperature range to be checked.
According to Fig 4:
One of the sets thus formed (Fig I, Fig 2 where
Fig. 3), is placed in a double-walled aloveola (6) (7 & BR <8), obstructed in its lower part by a largely dimensioned layer (10) of a component that is good conductor of frigories (ex: aluminum foil where any other).

La double parois de cette alvéole(7 & 8) réalisée en matiére plastique (ex: polyethylène, polyester ou toute autre), conjugue transparence et résistance. The double walls of this cell (7 & 8) made of plastic (eg polyethylene, polyester or any other), combines transparency and resistance.

Son rôle est d'assurer une protection thermique de part la fonction isolante de l'espace(9) ménagé par leur séparation entre l'extérieur et l'intérieur de cette alvéole(6).  Its role is to provide thermal protection due to the insulating function of the space (9) provided by their separation between the exterior and the interior of this cell (6).

Le role de la partie inférieur(10) servant à obstruer cette alvéole(6), de par sa nature est de véhiculer par inertie thermique les frigories de l'intérieur de l'unité de conditionnement vers l'intérieur de cette alvéole(6). The role of the lower part (10) serving to obstruct this cell (6), by its nature is to convey by thermal inertia the frigories from the interior of the conditioning unit towards the interior of this cell (6) .

Ce dispositif pourvu sur sa face supérieure d'un revÈtement adhésif(13), prend place à l'intérieur de l'unité de conditionnement du produit à controler. This device provided on its upper face with an adhesive coating (13), takes place inside the packaging unit of the product to be checked.

La partie de l'alvéole(6) renfermant l'ensemble solidaire est placee dans une ouverture(12) pratiquer à cet effet dans l'unité de conditionnement(11). de façon à être visible de l'extérieur.  The part of the cell (6) enclosing the integral assembly is placed in an opening (12) practiced for this purpose in the packaging unit (11). so as to be visible from the outside.

Le dispositif selon l'invention trouvera son application dans la distribution des produits destinés à l'alimentation humaine et animal, de certains produits des industries paramédicales, pharmaceutiques et vétérinaires, de certains produits des industries photographiques et radiographiques et plus généralement dans tous cas ou la conservation en parfait ét de salubrité où d'utilisation d'un produit et lié à l'action ininterrompue du'froid. The device according to the invention will find its application in the distribution of products intended for human and animal consumption, of certain products of the paramedical, pharmaceutical and veterinary industries, of certain products of the photographic and radiographic industries and more generally in all cases where the conservation in perfect state of wholesomeness or use of a product and linked to the uninterrupted action of the cold.

Le dispositif suivant l'invention, d'un prix de revient modique, aura son application industrielle, en utilisant un matériel similaire à celui servant au conditionnement des produits pharmaceutiques commercialises sous forme de plaquettes.  The device according to the invention, at a low cost price, will have its industrial application, using equipment similar to that used for packaging pharmaceutical products sold in the form of blister packs.

Claims (6)

REVENDICATIONS 1- Dispositif pour détecter une élévation anormale de la température dans une chaine de distribution de produits conservés par l'action du froid. caractérisé en ce qu'il est contitué par un ensemble solidaire(Fig.1, 1- Device for detecting an abnormal rise in temperature in a distribution chain of products preserved by the action of cold. characterized in that it is formed by an integral assembly (Fig. 1, Fig.2 et Fig.3) placé dans une alvéole (Fig.4).Fig. 2 and Fig. 3) placed in a cell (Fig. 4). 2- Dispositif selon la revendication 1 caracterise en ce que l'ensemble solidaire est constitué d'un réservoir(2), qui renferme un liquide coloré(1) et recouvert entièrement d'une matière absorbante(3). 2- Device according to claim 1 characterized in that the integral assembly consists of a reservoir (2), which contains a colored liquid (1) and completely covered with an absorbent material (3). 3- Dispositif selon la revendication 2 caracterise en ce que le réservoir(2) pourra être recouvert de la matière absorbante(3), soit directement (Fig.1), soit place a l'intérieur d'une capsule préalablement constituée de cette meme matiere absorbante (Fig.2). 3- Device according to claim 2 characterized in that the reservoir (2) may be covered with the absorbent material (3), either directly (Fig.1), or placed inside a capsule previously made of this same absorbent material (Fig. 2). 4- Dispositif selon la revendication 2 caractérisé en ce que l'ensemble solidaire peut etre constitue par une matière(4) recouverte par un composé chimiqùe (5) à polymèrisation variabloe (Fig.3) 4- Device according to claim 2 characterized in that the integral assembly can be constituted by a material (4) covered by a chemical compound (5) with variabloe polymerization (Fig.3) 5- Dispositif selon la revendication i caracterise en ce que l'ensemble solidaire ainsi forme est enfermé dans une alvéole(6) constituée par une double parois (7 & 8) formant un espacel9). 5- Device according to claim i characterized in that the integral assembly thus formed is enclosed in a cell (6) constituted by a double wall (7 & 8) forming a espacel9). 6- Dispositif selon la revendication 5 caractérisé en ce que la matière(10) servant à obstruer la partie inférieure de 1' alvéole(6) est constitue par un composant bon conducteur de frigories.  6- Device according to claim 5 characterized in that the material (10) for obstructing the lower part of one cell (6) is constituted by a component good conductor of frigories.
FR9000135A 1990-01-03 1990-01-03 Device for checking the continuity of the cold chain in the distribution of products at negative or positive temperatures Pending FR2656691A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9000135A FR2656691A1 (en) 1990-01-03 1990-01-03 Device for checking the continuity of the cold chain in the distribution of products at negative or positive temperatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000135A FR2656691A1 (en) 1990-01-03 1990-01-03 Device for checking the continuity of the cold chain in the distribution of products at negative or positive temperatures

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756707A1 (en) * 1996-12-10 1998-06-12 Costanza Frederic Frozen food safety indicator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307976B (en) * 1970-04-22 1973-06-12 Hans Guenther Lux Pack for food preserved by freezing or for products to be stored below a certain maximum temperature
DE2547638A1 (en) * 1975-10-24 1977-04-28 Neuwoehner Kurt Frozen food storage temp. rise indicator - with absorbent paper or frozen salt solution acting on soluble dye for visible display of freshness
FR2349824A1 (en) * 1976-04-30 1977-11-25 Hill Robert Defrosting indicator for frozen foods - employs clear plastic cell containing substance which diffuses into surrounding material if temp. rises above limit
DE3331544A1 (en) * 1983-09-01 1985-03-21 Eberhart Prof. Dr. Stephan Device for displaying the over- or undershooting of a prescribed limit temperature
EP0248688A1 (en) * 1986-04-30 1987-12-09 Centre National De La Recherche Scientifique (Cnrs) Temperature indicators based on polydiacetylenic compositions
DE8813798U1 (en) * 1988-11-04 1988-12-22 Sperling, Friedrich, 6720 Speyer, De
FR2623622A1 (en) * 1987-11-24 1989-05-26 Izoard Patrick DEVICE FOR CONTROLLING A POSSIBLE HEATING OF A PRODUCT AND FOR RECORDING BY AN IRREVERSIBLE MARKING OF SUCH A POSSIBILITY
FR2625556A1 (en) * 1988-01-05 1989-07-07 Guitteny Serge Device for indicating whether a frozen or deep frozen product has been kept under good conditions

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307976B (en) * 1970-04-22 1973-06-12 Hans Guenther Lux Pack for food preserved by freezing or for products to be stored below a certain maximum temperature
DE2547638A1 (en) * 1975-10-24 1977-04-28 Neuwoehner Kurt Frozen food storage temp. rise indicator - with absorbent paper or frozen salt solution acting on soluble dye for visible display of freshness
FR2349824A1 (en) * 1976-04-30 1977-11-25 Hill Robert Defrosting indicator for frozen foods - employs clear plastic cell containing substance which diffuses into surrounding material if temp. rises above limit
DE3331544A1 (en) * 1983-09-01 1985-03-21 Eberhart Prof. Dr. Stephan Device for displaying the over- or undershooting of a prescribed limit temperature
EP0248688A1 (en) * 1986-04-30 1987-12-09 Centre National De La Recherche Scientifique (Cnrs) Temperature indicators based on polydiacetylenic compositions
FR2623622A1 (en) * 1987-11-24 1989-05-26 Izoard Patrick DEVICE FOR CONTROLLING A POSSIBLE HEATING OF A PRODUCT AND FOR RECORDING BY AN IRREVERSIBLE MARKING OF SUCH A POSSIBILITY
FR2625556A1 (en) * 1988-01-05 1989-07-07 Guitteny Serge Device for indicating whether a frozen or deep frozen product has been kept under good conditions
DE8813798U1 (en) * 1988-11-04 1988-12-22 Sperling, Friedrich, 6720 Speyer, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756707A1 (en) * 1996-12-10 1998-06-12 Costanza Frederic Frozen food safety indicator

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