EP0893351A1 - Vorrichtung für Wasserdampfsterilisation von im Autoklav verpackten Produkten - Google Patents
Vorrichtung für Wasserdampfsterilisation von im Autoklav verpackten Produkten Download PDFInfo
- Publication number
- EP0893351A1 EP0893351A1 EP98401322A EP98401322A EP0893351A1 EP 0893351 A1 EP0893351 A1 EP 0893351A1 EP 98401322 A EP98401322 A EP 98401322A EP 98401322 A EP98401322 A EP 98401322A EP 0893351 A1 EP0893351 A1 EP 0893351A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- autoclave
- products
- sterilization
- bags
- product
- 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.)
- Withdrawn
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 58
- 230000001954 sterilising effect Effects 0.000 title claims description 64
- 238000004806 packaging method and process Methods 0.000 claims abstract description 23
- 235000013305 food Nutrition 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 244000052616 bacterial pathogen Species 0.000 claims description 4
- 238000005202 decontamination Methods 0.000 claims description 4
- 230000003588 decontaminative effect Effects 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 11
- 239000012467 final product Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 229940127554 medical product Drugs 0.000 abstract 1
- 244000005700 microbiome Species 0.000 description 11
- 238000011109 contamination Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000036512 infertility Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000010200 validation analysis Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000013213 extrapolation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 241000287828 Gallus gallus Species 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009928 pasteurization Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000193385 Geobacillus stearothermophilus Species 0.000 description 1
- 241000135309 Processus Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007073 chemical hydrolysis Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
- B65B55/12—Sterilising contents prior to, or during, packaging
- B65B55/18—Sterilising contents prior to, or during, packaging by liquids or gases
Definitions
- the invention describes a method for sterilizing products by steam saturated free of air.
- Annex “A” of this standard EN 554 gives explanations and presents methods that are considered acceptable for ensuring compliance with the specified requirements.
- the applicant recommended the use of an autoclave with two doors, one of which leads to a sterile zone constituted of a flexible sterile pressurized airtight bubble linked to the autoclave and the means of sealing of the packages and their evacuation being automatic.
- Standard NF S 90-320 of December 1984 including French standards NF X 44 101 and NF X 44 102 which define the quality of the according to classes such as 4,000,000 (maximum) for which we still find in this air, less than 10 4 to 10 5 particles per m 3 of particle diameters whose dimensions range from 0.4 to 10 micrometers, being specified that said standard NF S 90 320 defines as a Micro-organism, "Small organism whose observation requires the help of optical or electronic microscopes (fungi, parasites, bacteria, viruses ...)"
- the packaging has been made sterile as well as the product and disappears the constraint of the implementation of a clean room with dust control that offered in any event, that relative security by the risk of imprisonment of germs aerobic particularly undesirable on products such as food.
- n log No / N ( or No is the initial number of microorganisms and N the final number of microorganisms)
- the sterilizing value of the process symbolized by the letter "F” will by definition be that obtained by repeating the duration D n times .
- a single molecule A is transformed by a single molecule B into another molecule C and that in this case, ONE activated macromolecular microorganism, is inactivated by ONE molecule of water to produce AN inactive microorganism.
- the invention proposes the implementation of clean means capable of ensuring, under the required conditions, decontamination of all prosuits at a temperature and for a time chosen to obtain a state of decontamination at the heart of the product according to which the number of germs surviving is less than 10 -6 per cm 3 without cooking said products at heart when they are edible , considering that food products, in particular meat products, only have surface contamination while the interior is deemed to be “sterile” as has been confirmed by Mr.
- a set for sterilization treatment of products according to the invention includes, in the most basic case shown in Figure 5, an approved autoclave identified 3 receiving the processing unit identified 1 using an introduction means and / or of evacuation such as a known cart identified 2.
- the sterilization processing unit 1 is subdivided dimensionally in processing devices identified 4 and constituting the active part for applying the invention.
- the dimensions of the processing devices 1 are determined so that the processing unit which thus consists of at least one and in fact of a plurality of these devices, occupies at best the volume of the sterilization chamber of the autoclave selected.
- the design of the devices is further such that, as will emerge from the examination in FIG. 7, means of the “pull-out” type, make it possible to admit in combination bags of double height and by welding blades and rods "adapted” in length, bags double in length thus leading to treatment by sterilization in bags according to the reference 5 of figure 6, the standardized test load (NF S 90-320 - Art 5.1.1.1 - Field -fabric- 600 X 300 X 300 mm + / _ 10%).
- the margins left in the three dimensions are sufficient in the present case for accommodate auxiliaries such as slides, sockets, etc.
- Figures 3 and 4 show how, from Figure 1, we can determine the quality of sterilization of a product by using the reduction of decimal time especially when it is a food product.
- Fig. 3 is representative of a graph taken from the autoclave printer output or we notice in the complete sterilization cycle, zone A which shows the treatment product specific above 100 ° C.
- the graph according to Figure 3 shows the extent of area A which begins at 100 ° C 10 minutes after the start of the cycle until rising to approximately 135 ° C for approximately 2 minutes to go back down at the end of the cycle to 100 ° C about 11 minutes after this level.
- the product processing device identified 4 as a whole which constitutes the active part of the invention and which is shown in perspective in the drawing of FIG. 7 and the mode of application of which is shown diagrammatically in the drawings of FIGS. 8A to H, essentially comprises at the ends of a longitudinally extendable base 6 thanks to ribs 7a, 7b, four identical flanges 8a, 8b, 8c, 8d pivoting on the axes 9a, 9b, 9c, 9d and which receive in their upper opposite part, two welding blades 10a and 10b electrically powered by cables 11 leading to a socket 12.
- supports are arranged 11a and 11b longitudinal carrying at least two by two stapling buttons 12a, 12b and 12c, 12d whose function is essential for fixing the bags.
- each stapling button 12 fixed on the supports 11 has a step characterized by the prominence of a head sized such so that the diameter d1 is greater than the diameter d2 and that a space such as e1 is provided between the support face and the internal face of each step so that each bag, otherwise provided perforations provided for this purpose and of a diameter slightly greater than the diameter d1, come and stay by sliding said perforations in each of the button grooves staples as shown schematically in the detail of this figure 7 F.
- Each bag can thus be placed easily between the welding blades discarded, whether empty or full of the product to be treated, as will be explained later.
- the pivoted flanges 8a, 8b, 8c, 8d receiving the welding blades 10 and the supports 11 are requested to close by two powerful springs 13a and 13b and are limited in their displacement by flexible stops 14a, 14b, 14c, 14d.
- Another fixed bracket 16b allowing the bars 17 to slide, is connected to the base 6.
- the flanges 8 are provided with circular-shaped notches 8a1,8b1,8c1,8d1 outwards according to 8a2,8b2,8c2,8d2, and which embed said bars 17a, 17b which slide, on the one hand, in the fixed bracket 16b and which are fixed, on the other hand, on the movable bracket 16a as shown in detail in drawings A, B, C, D and E.
- Bimetallic strip 15 is heated, either directly by JOULE effect or indirectly by an associated resistance and the electric power cables lead in all the cases on the socket 18 so that, on command of the opening of the electric circuit, the heating said bimetallic strip will deflect outward and jointly thus allow the bags to be closed and jointly weld by releasing the flasks as shown by the interpretation of Figures 7 A and 7 C.
- control bars 17 are in fact provided at their ends swollen parts 17a1, 17 a2 and 17b1,17b2 whose diameter is significantly less than circular notches while thinner parts 17c1, 17c2 and 17d1,17d2 pass easily through the flared portions of said notches.
- FIG. 8 A to 8 H The complete operation is shown schematically in Figures 8 A to 8 H or first of all sees, according to 8 A, a package 19 constituted in this case of a perforated bag which can receive either a product to be sterilized 20 (a) if it is food or 20 (n-a) if it is not food and which, after having been placed either empty (figure 8 B) or pre-filled (figure 8C) on the active treatment device identified 4 is ready for the sterilization treatment shown in Figures 8D and 8E.
- a package 19 constituted in this case of a perforated bag which can receive either a product to be sterilized 20 (a) if it is food or 20 (n-a) if it is not food and which, after having been placed either empty (figure 8 B) or pre-filled (figure 8C) on the active treatment device identified 4 is ready for the sterilization treatment shown in Figures 8D and 8E.
- the assembly thus consisting of a packaging and its product to be sterilized identified 19-20, is thus introduced "open mouth" in the sterilization autoclave 3 in order to undergo the suitable sterilization treatment according to figure 8 D conforming to zone A of the graph indicated in FIG. 3 and this, up to the purge point indicated on this same graph and according Figure 8 E or so is done suddenly, the closing of said packaging and jointly its hermetic welding thus bringing the product 20 in a state of sterility placed sterile under its packaging 19 closed and waterproof.
- the processing device 4 may be provided with rods "pull-out" type extension at the top marks 21a1,21a2,21a3,21a4 and at the bottom marks 21b1,21b2,21b3,21b4 which allow to accept bags of great height like the ribs mark 7a and 7b and sleeves which allow the device to be extended to receive large bags with welding blades 10 and supports 11 of course adapted with a number of buttons 12 correspondingly sufficient.
- the supports of the devices 4 enabling the mechanical structure of the processing unit 1 are well known in themselves and need not be described further.
- Figure 9 shows a food product in the marketable state such as a chicken leg 22 placed in its welded food-grade packaging 19 beforehand on the ribs then up along line 23 in the autoclave itself and which presents a pseudo-empty state by the fact that said packaging was closed in the phase of final vacuum purge of the sterilization cycle.
- Perforated parts can be removed and the top edge can be used to identify the product: date of manufacture, deadline for sale certainly in known manner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9708600A FR2765552B1 (fr) | 1997-07-07 | 1997-07-07 | Ensemble pour la sterilisation en vapeur d'eau de produits emballes dans l'autoclave meme |
| FR9708600 | 1997-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0893351A1 true EP0893351A1 (de) | 1999-01-27 |
Family
ID=9508957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98401322A Withdrawn EP0893351A1 (de) | 1997-07-07 | 1998-06-03 | Vorrichtung für Wasserdampfsterilisation von im Autoklav verpackten Produkten |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0893351A1 (de) |
| FR (1) | FR2765552B1 (de) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182669A1 (de) * | 1972-05-03 | 1973-12-14 | Maj | |
| US3925961A (en) * | 1973-04-06 | 1975-12-16 | Maj Sarl | Device for packaging and preserving sterilized products under vacuum in plastic packs, in particular linen |
| US3991543A (en) * | 1975-04-21 | 1976-11-16 | Continental Can Company, Inc. | Sealing unit for autoclave sterilization of flexible packages |
| EP0004239A2 (de) * | 1978-03-13 | 1979-09-19 | M.A.J., Société à Responsabilité Limitée | Vorrichtung zum Verpacken und Konservieren unter Vakuum in einer Autoklave von sterilen Produkten, insbesondere Linnen, in Plastikverpackungen |
| FR2563502A1 (fr) * | 1984-04-27 | 1985-10-31 | Maj | Dispositif pour le conditionnement et la conservation sous vide, en emballage plastique, de produits sterilises dans un autoclave |
| GB2242393A (en) * | 1990-03-30 | 1991-10-02 | Holdcourt Ltd | Bag holding and sealing unit |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1562590A (en) | 1924-06-14 | 1925-11-24 | Braxton F Rodgers | Gas heater |
| US2237739A (en) | 1939-07-27 | 1941-04-08 | Continental Can Co | Method of processing food products |
| FR1525884A (fr) | 1966-03-28 | 1968-05-24 | Procédé et appareil pour la stérilisation des produits alimentaires | |
| US3641917A (en) | 1966-03-28 | 1972-02-15 | Felix Alexandre Jules Vallee | Apparatus for the sterilization of food products |
| FR1592063A (de) | 1966-11-22 | 1970-05-11 | ||
| BE794962A (fr) | 1972-02-07 | 1973-05-29 | Goodyear Tire & Rubber | Disque de frein a rainures |
| DK74875A (de) | 1974-03-04 | 1975-11-03 | O Rasmussen | |
| GB1507682A (en) | 1975-04-25 | 1978-04-19 | Heinz Co H J | Heat treating particulate material |
| FR2407135A1 (fr) | 1977-10-28 | 1979-05-25 | Coudert Sa Eng Jean | Installation de sterilisation de produits alimentaires |
| FR2465420A1 (fr) | 1979-09-18 | 1981-03-27 | Mester Systemes | Procede de traitement de legumes en vue de leur presentation a la vente |
| FR2473888A1 (fr) | 1980-01-17 | 1981-07-24 | Erca | Procede et dispositif de sterilisation d'une bande thermoplastique servant au thermoformage de recipients steriles et installation de conditionnement sterile mettant en oeuvre lesdits procede et dispositif |
| FR2561620B1 (fr) | 1984-03-22 | 1987-01-30 | Larroche Michel | Produit alimentaire aqueux emballe sous vide profond, un procede d'obtention et un appareil pour la mise en oeuvre de ce dernier |
| JPS611371A (ja) | 1984-06-12 | 1986-01-07 | House Food Ind Co Ltd | 含気包装体の加圧加熱殺菌処理方法 |
| FR2581291B1 (fr) | 1985-05-02 | 1990-07-13 | Bansard Pierre | Produits alimentaires non cerealiers et non cuits entrant notamment dans la composition de menus equilibres |
-
1997
- 1997-07-07 FR FR9708600A patent/FR2765552B1/fr not_active Expired - Fee Related
-
1998
- 1998-06-03 EP EP98401322A patent/EP0893351A1/de not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182669A1 (de) * | 1972-05-03 | 1973-12-14 | Maj | |
| US3925961A (en) * | 1973-04-06 | 1975-12-16 | Maj Sarl | Device for packaging and preserving sterilized products under vacuum in plastic packs, in particular linen |
| US3991543A (en) * | 1975-04-21 | 1976-11-16 | Continental Can Company, Inc. | Sealing unit for autoclave sterilization of flexible packages |
| EP0004239A2 (de) * | 1978-03-13 | 1979-09-19 | M.A.J., Société à Responsabilité Limitée | Vorrichtung zum Verpacken und Konservieren unter Vakuum in einer Autoklave von sterilen Produkten, insbesondere Linnen, in Plastikverpackungen |
| FR2563502A1 (fr) * | 1984-04-27 | 1985-10-31 | Maj | Dispositif pour le conditionnement et la conservation sous vide, en emballage plastique, de produits sterilises dans un autoclave |
| GB2242393A (en) * | 1990-03-30 | 1991-10-02 | Holdcourt Ltd | Bag holding and sealing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2765552A1 (fr) | 1999-01-08 |
| FR2765552B1 (fr) | 1999-10-01 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| AK | Designated contracting states |
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| AKX | Designation fees paid |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18D | Application deemed to be withdrawn |
Effective date: 19990728 |