FR2908778A1 - Plastic material useful for preparing equipments for processing and/or producing food product, e.g. tank, mold and cheese block mold, comprises thermoplastic polymer and a particulate additive able to disturb a magnetic field - Google Patents
Plastic material useful for preparing equipments for processing and/or producing food product, e.g. tank, mold and cheese block mold, comprises thermoplastic polymer and a particulate additive able to disturb a magnetic field Download PDFInfo
- Publication number
- FR2908778A1 FR2908778A1 FR0610050A FR0610050A FR2908778A1 FR 2908778 A1 FR2908778 A1 FR 2908778A1 FR 0610050 A FR0610050 A FR 0610050A FR 0610050 A FR0610050 A FR 0610050A FR 2908778 A1 FR2908778 A1 FR 2908778A1
- Authority
- FR
- France
- Prior art keywords
- material according
- plastic material
- additive
- food product
- thermoplastic polymer
- 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.)
- Granted
Links
- 235000013305 food Nutrition 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 title claims abstract description 33
- 239000004033 plastic Substances 0.000 title claims abstract description 27
- 229920003023 plastic Polymers 0.000 title claims abstract description 27
- 239000000654 additive Substances 0.000 title claims abstract description 22
- 230000000996 additive effect Effects 0.000 title claims abstract description 22
- 235000013351 cheese Nutrition 0.000 title claims abstract description 11
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000007670 refining Methods 0.000 claims abstract description 4
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- -1 polyoxymethylene Polymers 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 230000005070 ripening Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002292 Nylon 6 Polymers 0.000 claims description 2
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 231100000167 toxic agent Toxicity 0.000 claims description 2
- 239000003440 toxic substance Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 abstract description 2
- 238000005345 coagulation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 235000008983 soft cheese Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J25/00—Cheese-making
- A01J25/12—Forming the cheese
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J25/00—Cheese-making
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Environmental Sciences (AREA)
- Dairy Products (AREA)
Abstract
Description
1 La présente invention a pour objet une matière plastique pour laThe subject of the present invention is a plastics material for
réalisation d'équipements pour le traitement et/ou la production d'un produit alimentaire. Dans le domaine de l'industrie alimentaire, il est relativement usuel d'utiliser des équipements pour le traitement et/ou la production d'un produit alimentaire réalisés en une matière plastique ; ces équipements sont constitués par cette matière ou comportent sur leurs surfaces destinées à venir en contact avec les produits alimentaires, un revêtement constitué par ladite matière. production of equipment for the treatment and / or production of a food product. In the field of the food industry, it is relatively usual to use equipment for the treatment and / or production of a food product made of a plastic material; these equipment consist of this material or comprise on their surfaces intended to come into contact with food products, a coating constituted by said material.
Au cours du traitement et/ou la production d'un produit alimentaire, des fragments plus ou moins gros sont susceptibles d'être arrachés accidentellement de la surface des équipements susmentionnés ; dans ce cas, ces fragments (ou copeaux) se retrouvent dans le produit alimentaire fini. During the processing and / or production of a food product, larger or smaller fragments may be accidentally torn off the surface of the aforementioned equipment; in this case, these fragments (or chips) are found in the finished food product.
Une telle situation a bien évidemment un effet particulièrement désastreux sur l'image de marque de la société qui commercialise le produit alimentaire contaminé par ces copeaux. Le problème que se propose de résoudre la présente invention est donc de détecter, dans le produit alimentaire fini, toute trace de matière étrangère provenant du matériau constituant les équipements mis en œuvre pour le traitement et/ou la fabrication dudit produit alimentaire. A cet effet, il est proposé selon l'invention, une matière plastique telle que définie dans le premier paragraphe de cette description ; cette matière comprend un polymère thermoplastique et se caractérise en ce qu'elle comprend en outre un additif particulaire apte à perturber un champ magnétique, le mélange dudit polymère et de cet additif étant apte au contact alimentaire. On comprendra que du fait de la présence dudit additif au sein de la matière plastique selon l'invention, il sera aisément possible de détecter dans un produit alimentaire traité et/ou produit au moyen d'un équipement réalisé en cette matière ou comprenant un revêtement en cette matière, la présence dans ce produit alimentaire de tout copeau arraché accidentellement à la surface dudit équipement ou revêtement. Il suffira en effet de faire passer le produit alimentaire dans un champ magnétique et de détecter une éventuelle perturbation 2908778 2 de celui-ci ; tout produit alimentaire contaminé par un copeau est ainsi facilement repéré en vue de son élimination de la chaîne de production. Selon un mode de réalisation de l'invention, le polymère 5 thermoplastique et l'additif sont tous deux aptes au contact alimentaire. Selon un autre mode de réalisation, seul le polymère thermoplastique est apte au contact alimentaire, l'additif étant tel que le mélange de ce polymère et de cet additif ne libère pas de 10 substance toxique au-delà d'une valeur limite en deçà de laquelle ce mélange est apte au contact alimentaire. Cette valeur limite est généralement définie par les réglementations en vigueur dans le domaine des produits alimentaires. Such a situation obviously has a particularly disastrous effect on the image of the company that markets the food product contaminated by these chips. The problem to be solved by the present invention is therefore to detect, in the finished food product, any trace of foreign material from the material constituting the equipment used for the treatment and / or manufacture of said food product. For this purpose, it is proposed according to the invention, a plastic material as defined in the first paragraph of this description; this material comprises a thermoplastic polymer and is characterized in that it further comprises a particulate additive capable of disturbing a magnetic field, the mixture of said polymer and this additive being suitable for food contact. It will be understood that because of the presence of said additive within the plastic material according to the invention, it will be easily possible to detect in a processed food product and / or produced by means of equipment made of this material or comprising a coating in this matter, the presence in this food product of any chips accidentally torn from the surface of said equipment or coating. It will suffice to pass the food product in a magnetic field and detect a possible disturbance 2908778 2 thereof; any food product contaminated by a chip is thus easily spotted with a view to its elimination from the production line. According to one embodiment of the invention, the thermoplastic polymer and the additive are both suitable for food contact. According to another embodiment, only the thermoplastic polymer is suitable for food contact, the additive being such that the mixture of this polymer and this additive does not release any toxic substance beyond a limit value below which mixture is suitable for food contact. This limit value is generally defined by the regulations in force in the field of food products.
15 Par ailleurs, l'additif en cause peut être une substance conductrice de l'électricité. Ainsi, il peut par exemple s'agir d'un métal tel que le fer, un acier, le nickel ou l'aluminium. Cet additif peut en variante être un oxyde métallique, 20 notamment un oxyde de fer, par exemple Fe2O3 ou Fe3O4. Les particules de l'additif ont de préférence une taille comprise dans la plage de 0,1 à 0,5 mm. Par ailleurs, ce même additif est de préférence présent au sein de la matière plastique selon l'invention en une concentration 25 de 2 à 55% en poids. Cette concentration dépendra en fait de la taille du copeau. Le polymère entrant dans la composition de la matière plastique selon l'invention est avantageusement choisi dans le groupe constitué d'une polyoléfine (par exemple un polypropylène), 30 d'un polyamide (par exemple le polyamide 6), d'un polyester, d'un polyoxyméthylène, d'une polyétheréthercétone, d'une polysulfone et de leurs mélanges. La matière plastique selon l'invention est obtenue par simple malaxage à chaud du polymère thermoplastique à l'état fondu avec 35 l'additif particulaire, ce mélange étant réalisé de manière à obtenir un produit sensiblement uniforme.Furthermore, the additive in question may be an electrically conductive substance. Thus, it may for example be a metal such as iron, steel, nickel or aluminum. This additive may alternatively be a metal oxide, especially an iron oxide, for example Fe2O3 or Fe3O4. The particles of the additive preferably have a size in the range of 0.1 to 0.5 mm. Moreover, this same additive is preferably present in the plastic material according to the invention in a concentration of 2 to 55% by weight. This concentration will depend on the size of the chip. The polymer used in the composition of the plastics material according to the invention is advantageously chosen from the group consisting of a polyolefin (for example a polypropylene), a polyamide (for example polyamide 6), a polyester, a polyoxymethylene, a polyetheretherketone, a polysulfone and mixtures thereof. The plastic material according to the invention is obtained by simply hot kneading of the thermoplastic polymer in the molten state with the particulate additive, this mixing being carried out so as to obtain a substantially uniform product.
2908778 3 Un exemple de la matière plastique selon l'invention comprend un mélange uniforme de polypropylène et d'oxyde de fer Fe2O3, la proportion en poids de ce dernier dans la matière plastique étant de l'ordre de 30%.An example of the plastic material according to the invention comprises a uniform mixture of polypropylene and iron oxide Fe 2 O 3, the proportion by weight of the latter in the plastic being of the order of 30%.
5 On ajoutera que la détection d'une perturbation du champ magnétique peut être effectuée par tout dispositif connu. On citera à titre d'exemple, les détecteurs de métaux, à boucle magnétique. Ces détecteurs fonctionnent en exploitant un phénomène 10 physique bien connu : l'induction d'un courant électromagnétique. Ils sont composés d'une bobine émettrice et d'une bobine réceptrice ; la première est traversée par un courant électrique alternatif ayant de préférence une fréquence de 500 à 800 kHz et d'une bobine réceptrice qui récupère le courant induit, ce qui se 15 traduit par un décalage de phase qui est analysé par un processeur. On notera à titre illustratif que ce dernier type de détecteurs permet la détection d'un copeau de lmm3 de la matière plastique selon l'invention au sein d'un fromage à pâte molle, type camembert.It will be added that the detection of a disturbance of the magnetic field can be carried out by any known device. As an example, metal detectors with a magnetic loop. These detectors operate by exploiting a well known physical phenomenon: the induction of an electromagnetic current. They consist of a transmitter coil and a receiver coil; the first is traversed by an alternating electric current preferably having a frequency of 500 to 800 kHz and a receiver coil which recovers the induced current, which results in a phase shift which is analyzed by a processor. It will be noted by way of illustration that the latter type of detector allows the detection of a chip of lmm3 of the plastic material according to the invention within a soft cheese, camembert type.
20 Le détecteur est avantageusement positionné, par exemple en un point approprié d'une chaîne de production, pour que le champ magnétique qu'il génère soit traversé par les produits alimentaires à tester, la vitesse de passage étant choisie pour une détection optimale.The detector is advantageously positioned, for example at a suitable point of a production line, so that the magnetic field it generates is traversed by the food products to be tested, the speed of passage being chosen for optimum detection.
25 La présente invention s'étend par ailleurs aux équipements pour le traitement et/ou la production d'un produit alimentaire, réalisés en la matière plastique susmentionnée ou dont les surfaces destinées à venir en contact avec ledit produit alimentaire comprennent un revêtement en cette matière.The present invention also extends to equipment for the treatment and / or production of a food product, made of the aforementioned plastic material or whose surfaces intended to come into contact with said food product comprise a coating of this material. .
30 On précisera que ces équipements peuvent être de toute nature et notamment, lorsqu'ils relèvent du domaine des produits laitiers et notamment du fromage, des cuves, moules et blocs-moules à fromage, bassines et micro-bassines de coagulation, stores d'égouttage ou d'affinage, plateaux de moulage ou d'égouttage, 35 planches et paniers d'affinage, pieds de base, lames pour le tranchage du caillé, éclisses, plaques d'identification, louches de moulage, raclettes d'égalisation et plaques de stérilisation.30 It should be noted that this equipment may be of any kind and in particular, when it comes under the field of dairy products and in particular cheese, vats, molds and cheese blocks, basins and micro-ponds coagulation, blinds d ' drip or refining, molding or drip trays, 35 ripening boards and baskets, base stands, slicing blades, fishplates, identification plates, casting ladles, squeegees and plates sterilization.
2908778 4 On ajoutera que ces équipements peuvent être obtenus par les techniques classiques d'extrusion et d'injection.It will be added that this equipment can be obtained by conventional extrusion and injection techniques.
Claims (13)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0610050A FR2908778B1 (en) | 2006-11-17 | 2006-11-17 | PLASTIC MATERIAL FOR THE PRODUCTION OF EQUIPMENT FOR THE PROCESSING AND / OR PRODUCTION OF A FOOD PRODUCT AND EQUIPMENT PRODUCED IN THIS MATERIAL. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0610050A FR2908778B1 (en) | 2006-11-17 | 2006-11-17 | PLASTIC MATERIAL FOR THE PRODUCTION OF EQUIPMENT FOR THE PROCESSING AND / OR PRODUCTION OF A FOOD PRODUCT AND EQUIPMENT PRODUCED IN THIS MATERIAL. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2908778A1 true FR2908778A1 (en) | 2008-05-23 |
| FR2908778B1 FR2908778B1 (en) | 2012-03-23 |
Family
ID=38035913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0610050A Active FR2908778B1 (en) | 2006-11-17 | 2006-11-17 | PLASTIC MATERIAL FOR THE PRODUCTION OF EQUIPMENT FOR THE PROCESSING AND / OR PRODUCTION OF A FOOD PRODUCT AND EQUIPMENT PRODUCED IN THIS MATERIAL. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2908778B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130230372A1 (en) * | 2012-03-01 | 2013-09-05 | Jason W. Schmid | Container Including a Magnetically Operated Scraper |
| EP2845492A1 (en) * | 2013-09-05 | 2015-03-11 | Samsung SDI Co., Ltd. | Mold for food |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2063234A5 (en) * | 1969-09-05 | 1971-07-09 | Waggner Charles | Multi-cavity cheese mould |
| GB1285162A (en) * | 1971-04-28 | 1972-08-09 | New Zealand Dairy Res Inst | Improvements in or relating to methods of and apparatus for pressing cheese |
| US6177113B1 (en) * | 1995-06-27 | 2001-01-23 | Apv Crepaco, Inc. | Process for detecting plastic or elastomeric contaminants in food processing |
| WO2001085827A2 (en) * | 2000-05-02 | 2001-11-15 | Tribond, Inc. | Temperature-controlled induction heating of polymeric materials |
| US20040084446A1 (en) * | 2002-11-06 | 2004-05-06 | General Electric Company | Microwave oven browning and welding applications |
| US20050042340A1 (en) * | 2001-11-29 | 2005-02-24 | May Donald Bruce | Moulding composition |
| WO2006026823A1 (en) * | 2004-09-09 | 2006-03-16 | Bell, Glenda, Fay | Separation of plastic and elastomers for food and pharmaceutical products |
-
2006
- 2006-11-17 FR FR0610050A patent/FR2908778B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2063234A5 (en) * | 1969-09-05 | 1971-07-09 | Waggner Charles | Multi-cavity cheese mould |
| GB1285162A (en) * | 1971-04-28 | 1972-08-09 | New Zealand Dairy Res Inst | Improvements in or relating to methods of and apparatus for pressing cheese |
| US6177113B1 (en) * | 1995-06-27 | 2001-01-23 | Apv Crepaco, Inc. | Process for detecting plastic or elastomeric contaminants in food processing |
| WO2001085827A2 (en) * | 2000-05-02 | 2001-11-15 | Tribond, Inc. | Temperature-controlled induction heating of polymeric materials |
| US20050042340A1 (en) * | 2001-11-29 | 2005-02-24 | May Donald Bruce | Moulding composition |
| US20040084446A1 (en) * | 2002-11-06 | 2004-05-06 | General Electric Company | Microwave oven browning and welding applications |
| WO2006026823A1 (en) * | 2004-09-09 | 2006-03-16 | Bell, Glenda, Fay | Separation of plastic and elastomers for food and pharmaceutical products |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130230372A1 (en) * | 2012-03-01 | 2013-09-05 | Jason W. Schmid | Container Including a Magnetically Operated Scraper |
| US9067728B2 (en) * | 2012-03-01 | 2015-06-30 | Clasen Quality Coatings, Inc. | Container including a magnetically operated scraper |
| EP2845492A1 (en) * | 2013-09-05 | 2015-03-11 | Samsung SDI Co., Ltd. | Mold for food |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2908778B1 (en) | 2012-03-23 |
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