EP2611695A1 - Verfahren sowie vorrichtung zum behandeln von behältern - Google Patents
Verfahren sowie vorrichtung zum behandeln von behälternInfo
- Publication number
- EP2611695A1 EP2611695A1 EP11722737.1A EP11722737A EP2611695A1 EP 2611695 A1 EP2611695 A1 EP 2611695A1 EP 11722737 A EP11722737 A EP 11722737A EP 2611695 A1 EP2611695 A1 EP 2611695A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- treatment
- radiation
- containers
- curing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000005855 radiation Effects 0.000 claims abstract description 100
- 238000007639 printing Methods 0.000 claims abstract description 62
- 230000001678 irradiating effect Effects 0.000 claims abstract 3
- 230000001954 sterilising effect Effects 0.000 claims description 76
- 238000004659 sterilization and disinfection Methods 0.000 claims description 64
- 238000001035 drying Methods 0.000 claims description 34
- 239000011261 inert gas Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 238000011049 filling Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000036961 partial effect Effects 0.000 claims description 6
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000005202 decontamination Methods 0.000 claims 1
- 230000003588 decontaminative effect Effects 0.000 claims 1
- 239000000976 ink Substances 0.000 description 38
- 238000001723 curing Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 15
- 238000000071 blow moulding Methods 0.000 description 14
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 238000003848 UV Light-Curing Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000497 Amalgam Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000032823 cell division Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
- B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
- B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- 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
- B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
- B65B55/08—Sterilising wrappers or receptacles prior to, or during, packaging by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C2003/227—Additional apparatus related to blow-moulding of the containers, e.g. a complete production line forming filled containers from preforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C2003/228—Aseptic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations
- B67C7/0073—Sterilising, aseptic filling and closing
- B67C7/0086—Sterilisation being restricted to the area of application of the closure
Definitions
- the invention relates to a method according to the preamble of patent claim 1 and to a device according to the preamble of claim 13.
- tainers are in particular cans, bottles, tubes, pouches made of metal, glass and / or plastic, but also other packaging materials which are suitable for filling liquid or viscous products for pressure filling or for pressureless filling.
- treating containers means, in particular, the printing, also the digital printing of the containers on their outer container surface using at least one printing ink, preferably the multicolor printing using printing inks of different colors, the drying or hardening of the at least one printing ink
- the at least one printing ink and the sterilizing, sterilizing or disinfecting the container to understand at least one container area at which a sterilization is required, taking into account the entire process flow, for example within a Be Daveerab Stahl and / or taking into account the state the container to be treated and / or taking into account the manufacturing process of these containers, for example made of plastic, for example PET by blow molding.
- printing is generally understood to mean the application of one or more printed images or inks, in particular multicolored printed images or imprints on the respective outer container surface, irrespective of special printing processes known, working according to the inkjet printheads, which are also described in DE 10 2006 001 223 A1.
- a printing ink is used, which by energy input, ie by heat and / or UV radiation and / or microwave Radiation and / or electron radiation is preferably dried or cured by crosslinking.
- non-thermal or substantially non-thermal energy radiation is to be understood as meaning energy radiation which contains no or substantially no components of heat or infrared radiation (IR radiation) essentially non-thermal energy radiation, especially UV radiation and beta or electron radiation or microwave radiation.
- the term "essentially” means deviations from the exact value by +/- 10%, preferably by +/- 5%, and / or deviations in the form of changes that are insignificant for the function or other containers and in particular the direct printing of plastic or PET bottles immediately after their preparation in a stretch or blow molding of preheated preforms (preforms) and the drying or curing of the respective ink or the imprint by exposure of the printed container with UV Radiation, electron radiation, microwave radiation or heat radiation or infrared radiation (DE 10 2006 001 223 A1).
- an energy radiation namely with UV radiation, electron radiation, electron radiation, microwave radiation and heat radiation or infrared radiation as well as by plasma discharge.
- a disadvantage of the known technique is that for the drying or curing of the imprints and for the sterilization or sterilization of the container independent, each consuming and costly methods and devices are required.
- the object of the invention is to provide a method for treating containers, wherein the drying or curing of at least one Printing ink or the respective imprint and the sterilization or sterilization of the container with reduced effort is possible.
- a method according to claim 1 is formed.
- An apparatus for treating containers is the subject of claim 13.
- a special feature of the method according to the invention is that at least the drying of the at least one applied to the respective container ink or the corresponding imprint as well as the sterilization or sterilization of the container with one and the same type of energy radiation, preferably with one and the same kind of not thermal or substantially non-thermal energy radiation, preferably with UV radiation.
- the respective container area to be sterilized is directly exposed to the energy radiation.
- a complete sterilization or a complete sterilization of the container u.a. on the entire container inner surface and at the mouth area is preferably not through the wall of the container, so as to achieve optimal sterilization or sterilization with the lowest possible radiation energy.
- UV radiation is used as energy radiation, as is preferably the case with the invention
- this radiation forms radicals with the photoinitiators contained in the respective printing ink (printing ink), which then crosslinks the monomers for the curing of the printing ink and / or Bring oligomers of this color.
- the drying or curing of the at least one printing ink and the sterilization of the container takes place at one and the same treatment station, but at least in one and the same treatment or working module or in one and the same, several treatment stations having work machine or workstation , Carrying out the drying or curing process of the at least one printing ink and the sterilization of the containers by one and the same type of energy radiation, preferably by UV radiation, has considerable advantages:
- Treatment with the UV radiation or other non-thermal energy radiation for shortening in particular the drying or curing process of the at least one printing ink may be appropriate.
- drying or curing of the at least one printing ink and the sterilization of the container by energy radiation in particular by
- UV radiation rapid processes that make it possible to sterilize the treated surfaces of the container in fractions of seconds, at most a few seconds optimally and also cure the at least one ink in fractions of seconds, at most a few seconds.
- drying or curing of the at least one printing ink and the sterilization of the containers are carried out in a common treatment station, as in a preferred embodiment of the invention, and preferably also simultaneously, a separate sterilization process is avoided and the cooling of the sources for the Energy radiation, in particular the cooling of UV lamps and their control can be provided centrally in a module, for example in a module of the filling line.
- UV radiation When using UV radiation, this radiation is only used in a partial area of an entire plant. Only there or only on the appropriate treatment module shielding is required to avoid UV radiation exposure of the operators or the operating staff.
- Tubes used so they can be purchased in larger quantities, resulting in both the manufacturer and the user of a plant significant cost advantages.
- any IR radiation components generated by the radiation source can be filtered out.
- UV lamps low-pressure Hg lamps, medium-pressure Hg lamps, excimer lamps, exciplex lamps, amalgam lamps, LEDs, xenon lamps, etc.
- the containers are moved during treatment with a transport system through a treatment section and / or rotated or pivoted about its container axis.
- Pre-treatment of the container surface to be printed preferably takes place in order to at least improve the adhesive strength of the imprint.
- This pretreatment is preferably carried out with UV radiation which cleaves at a wavelength of about 170 to 200 nm oxygen molecules in the ambient air, with the formation of ozone. This is then decomposed by the UV radiation to form highly reactive O * radicals, which in turn lead to cleavage or oxidation of organic molecules on the container surface.
- other radicals such as COO * , * OH, CO * and COOH- * are formed by the UV irradiation, which lead to symmetry disturbances of the plastics, which results in an overall increase in the surface energy of the container made of plastic and thus an improvement in the Strength of the ink or the print is achieved.
- drying or curing of the at least one printing ink and / or sterilization of the containers takes place by pressurizing the containers with a process gas or with a protective or inert gas, for example with N 2, CO 2, Ar, Kr, Xe or a mixture of these.
- This process gas with which the interior of the container is then flushed, also serves, for example, for cooling the containers during the treatment and / or has cooled down so far that the temperature of this process gas is lower than the temperature of the containers to be treated.
- the inert gas should be cooled, since the oxygen from the immediate container environment has a tendency to diffuse back into the container, as a large concentration gradient of the oxygen partial pressure in the container opening is present.
- This tendency of the oxygen to flow into the container can be suppressed as long as as long as a cool gas in the container warms up to the temperature of the container, expands and slowly flows out of the container.
- This effect has been demonstrated for both an upside down and an upside down opening, with a gas that is about 10K colder than the tank, preventing gas diffusion of the oxygen for more than 10 seconds. Even colder gas fillings have even better effect.
- the drying or curing of the at least one printing ink and / or the sterilization of the containers takes place in an oxygen-poor protective gas atmosphere formed, for example, by the abovementioned process gas or protective gas, i. within a housing containing this low-oxygen atmosphere and delimiting from the environment, formed by sheets, cages, hoods, etc.
- an oxygen-poor protective gas atmosphere formed, for example, by the abovementioned process gas or protective gas, i. within a housing containing this low-oxygen atmosphere and delimiting from the environment, formed by sheets, cages, hoods, etc.
- a particularly effective, short-wave UV radiation for example a UV radiation having a wavelength in the range between about 170 nm and 280 nm, preferably in the range between about 170 nm and 220 nm or in the range of about 170 nm to 200 nm for the drying or curing of the at least one printing ink and / or for sterilizing the container possible, ie the use of UV radiation which can spread in ambient air because of the oxygen present only a few tenths of a millimeter.
- the inert gas of the oxygen-poor inert gas atmosphere thus forms a transmission gas, which allows the use of short-wave UV radiation.
- the oxygen partial pressure in the protective gas atmosphere is preferably at most 0.5%, preferably at most 0.1% of the total pressure of this atmosphere.
- the advantages of this special method are thus that an absorption of the UV radiation at 02 molecules, whose intensity increases with decreasing wavelength of the UV radiation, as well as an ozone formation are avoided.
- a sterilization or sterilization of the container outer wall In the pretreatment of the container outer surface to improve the adhesion of the at least one printing ink or the imprint by increasing the surface energy at the same time also a sterilization or sterilization of the container outer wall.
- Container carriers or container grippers serve to hold and / or move the containers during the treatment. These are preferably also sterilized together with the containers by the energy radiation and / or there is an additional sterilization of the container carrier or container gripper after their uncoupling from the containers.
- each container carrier or container gripper remains at the respective container at least over the entire treatment path and with the respective container, even in the case of a treatment path which consists of several transport elements following one another in a direction of transport of the containers Transport direction is connected only on the part of the transport path formed by this device.
- Each container carrier or container gripper is decoupled from the container in question at the end of the treatment and then returned sterilized to the beginning of the treatment line or to the beginning of a system comprising this treatment line.
- Fig. 1 in a simplified perspective view of a plant for the treatment of
- Containers in the form of bottles (here PET bottles) in a simplified perspective view;
- Figure 2 is a schematic representation of the transport path of the respective container through the system of Figure 1.
- FIG. 3 in perspective detail view of one of the treatment modules of
- Plant of Figure 1 for example, for simultaneous curing of the to the respective bottle applied imprint and to sterilize the
- FIG. 4 in a schematic, perspective detail of one of
- Figure 5 is a view similar to Figure 4, but in another embodiment of the treatment module.
- Fig. 6 in a simplified representation and in plan view of a plant for producing the
- Containers in the form of plastic bottles for example in the form of
- PET bottles by stretch or blow molding and subsequent treatment of the containers produced;
- a centering and holding element for use in the device of
- Figure 6 with a preform or with a partially illustrated bottle.
- the treatment section serves to treat containers in the form of bottles 2, which hang the apparatus 1 by way of an external conveyor 3, ie. held suspended at a below the respective bottle opening 2.1 flange or neck ring 2.2, in a direction indicated by the arrows A transport direction in which the bottles 2 are also moved through the treatment section 1 on a wave or meandering transport path 4 ( FIG. 2) and in which the treated bottles 2 leave the treatment section 1 at a container outlet in turn hanging on an outer conveyor 5. Via the outer conveyor 5, the bottles 2 are supplied for further use, for example to a filling machine.
- the bottles 2 are produced, for example, in the manner known to those skilled in the art from preforms by stretch or blow molding in a blow molding machine, which is indicated only schematically in FIG. 1 by the block 6.
- the method is not limited to PET bottles, but of course is also applicable to other plastic bottles, such as PE, PP, PLA or PHB bottles.
- the treatment section 1 is modular in the illustrated embodiment and consists of several treatment modules, ie in the illustrated embodiment of a total of eight treatment modules 7.1 - 7.8, the succession in the valency of their reference numerals in the transport direction A. are provided following that the bottles 2 are passed from treatment module to treatment module and thereby move on the transport path 4 shown in Figure 2.
- the treatment modules 7.1 - 7.8 each consist of an identical base unit with a lower module or machine housing 8, on its upper side in each case a rotatable about a vertical machine axis rotor 9 is provided on the circumference of several treatment stations are formed, where the bottles 2 at a Container inlet of the treatment module 7.1 - handed 7.8 and after the local treatment, which takes place on an angular range of rotation of the respective rotor 9, individually to a treatment station of a subsequent treatment module 7.2 - 7.8 or to the outer conveyor 5 on.
- the rotors 9 of the successive in the transport direction treatment modules 7.1 - 7.8 are synchronized by a corresponding control and driven at the same rotational or angular speed, but in opposite directions, as indicated by the arrows B and C in Figure 1.
- the treatment stations of the treatment modules 7.1-7.8 are adapted to the respective treatment by means of corresponding aggregates and / or functional elements provided in the basic unit.
- the treatment positions of the treatment module 7.1 are designed for pretreatment of the bottles 2 described in more detail below.
- the treatment modules 7.2 - 7.7 serve as printing modules for printing, preferably for digital printing of the bottles 2 on their outer surface, ie for applying multicolor printed images or imprints on the outer surface of the bottles 2, preferably also on different areas of this bottle outer surface.
- the treatment positions of the treatment modules 7.2 - 7.7 are accordingly equipped with not shown in the figure 1 printheads, for example, working with the ink-jet method and known in the art printheads.
- the treatment module 7.8 serves as a drying and sterilization module for drying or curing of the applied to the bottles 2 imprints or the corresponding ink or printing ink and at the same time for sterilization of the bottles 2 at least on a partial area at which such a sterilization due to the production of Bottles 2 and / or the starting materials used for the preparation and / or the handling of the bottles 2 after their manufacture, etc. is required.
- both the curing of the imprint, as well as the sterilization using UV radiation, each with a UV spectrum, which optimizes in the manner described above for the curing of the ink as well as for killing germs is, for example, with a UV light spectrum, which has a pronounced maximum at a wavelength of about 270 nm.
- the treatment module 7.8 is shown in detail in Figures 3 and 4.
- the designated in these figures 10 treatment stations each include a forked or claw-like container carrier 1 1 for the suspended support and storage of the bottle 2 at its neck ring 2.2.
- a first UV-emitting device 12 is arranged with at least one UV lamp pointing downwards, i. is directed to the area of the bottle opening 2.1.
- a second UV-emitting device 13 is provided, which is radially inwardly lying relative to the machine axis and which radiates onto the circumferential or circumferential surface of the bottle 2. This second radiating device 13 serves to cure or dry the printing ink.
- a turntable 14 is provided, which is rotatable about its vertical turntable axis by a drive, not shown, and through which the bottle 2 is set in rotation.
- the container carrier 1 1, the devices 12 and 13 and the turntable 14 are provided on a housing 15, on which, for example, the unit formed by the container carrier 1 1 and the device 12 controlled in the vertical direction up and down is movable (double arrow D) and in which, among others, the Control and / or cooling of the UV lamps of the devices 12 and 13 necessary components are housed. Furthermore, the container carrier 1 1, the devices 12 and 13, the turntable 14 and the housing 15 form a complete assembly 16, which is provided as such on the rotor 9 and each forms one of the treatment stations of the treatment module 7.8.
- the container carrier 1 1 and the device 12 are respectively raised at the transfer area between the treatment modules 7.7 and 7.8 and at the transfer area between the treatment module 7.8 and the outer conveyor 5 for a problem-taking over or dispensing a bottle 2 and lowered during treatment, so that relevant bottle 2 then with its bottle opening 2.1 remote bottle bottom rests on the turntable 14 and is rotated with this about the vertical turntable axis or about the same axis with this axis arranged bottle axis, in particular for a treatment of the entire bottle circumference with that of the Device 13 emitted UV radiation.
- the container carrier 1 1 then serves only to secure the upright bottle 2 against falling over.
- the existing of the container carrier 1 1 and the device 12 is controlled up and down movable.
- the turntable 14 controlled in the vertical direction is moved up and down to a problem-free transfer and delivery of bottles 2 to or from the respective treatment station 10 and in the aforementioned manner on the other hand, turning the bottles 2 to allow their vertical axis of the bottle during the treatment.
- FIG. 5 shows in a representation similar to FIG.
- a treatment station 10a which differs from the treatment station essentially in that the UV light or radiation device 12a provided above the container support 11 provides for sterilization at least the entire inner surface of the respective bottle 2 is executed and this during the treatment with a UV lamp or with an acted upon by the UV radiation of a UV lamp light guide 17 during the treatment through the bottle opening 2.1 into the interior of the bottle to be treated. 2 extends. Also in this embodiment, the sterilization of the respective bottles 2 and the curing or drying of the printed image 2.4 takes place at one and the same treatment station 10a of the treatment module 7.8 and preferably at the same time.
- This embodiment of the treatment station 10a takes into account the fact that even with transparent bottles 2, i. when producing the bottles 2 made of a translucent or clear material or plastic, such as PET, arranged at a location outside the bottle 2, emitting UV radiation source such a strong absorption of UV radiation when penetrating the wall of the bottle 2, at least with an economically justifiable UV performance and within a treatment period, among others in view of the necessary performance of the treatment section 1 is justifiable, no adequate sterilization is possible.
- transparent bottles 2 i. when producing the bottles 2 made of a translucent or clear material or plastic, such as PET, arranged at a location outside the bottle 2, emitting UV radiation source such a strong absorption of UV radiation when penetrating the wall of the bottle 2, at least with an economically justifiable UV performance and within a treatment period, among others in view of the necessary performance of the treatment section 1 is justifiable, no adequate sterilization is possible.
- the treatment module 10a can also be designed so that both a sterilization of the bottles 2 on the bottle inner surface, as well as an intensive sterilization on the bottle outer surface, in particular in the area of the bottle opening 2.1 and in particular by means of UV radiation, is achieved.
- a decoupling of the respective bottle 2 from the container carrier 1 1 is carried out in order to rotate the bottle 2 during the treatment of its bottle axis.
- this decoupling can be achieved in other ways, for example, characterized in that a suitably trained container carrier the respective bottle 2 for the Turn around its bottle axis during treatment releases.
- the container carrier it is also possible to design the container carrier so that it causes the rotation of the respective bottle 2 during the treatment.
- the treatment module 7.1 is designed for pretreatment of the bottles 2, in particular for pre-treatment of the bottles 2 on their surface to be printed, in order to achieve improved adhesion of the printing ink there.
- This pretreatment is carried out by irradiation of the surfaces to be printed later with UV radiation.
- the improvement of the adhesion for the printing ink is, inter alia, attributable to the fact that the UV radiation, in particular with a wavelength of less than 240 nm, breaks down oxygen molecules in the vicinity of the treated surfaces, which leads to the formation of ozone, which then, together with the oxygen , UV quanta with wavelengths below 240 nm absorbed.
- radicals such as COO * , * OH, CO * , COOH *
- the plastic chains of the material of the bottles 2 radicals are formed, which lead there to selective changes in the symmetry of the molecular structure, whereby the surface energy increases and thus the adhesion and the wettability of the surfaces to be printed with ink are improved.
- sterilization or sterilization of the outer surface of the bottles 2 preferably also takes place.
- the treatment stations of the treatment module 7.1 are then formed, for example, similar to the treatment stations 10 and 10a, respectively, but without the UV radiation emitting device 12 or 12a.
- treatment module 7.1 Other treatment methods and accordingly designed treatment stations for improving the adhesive strength and wettability of the surfaces to be printed on the bottles 2 are possible for the treatment module 7.1.
- methods and appropriately trained treatment stations in which by pyrolysis, for example by flame pyrolysis a surface silicization of the bottles 2 takes place at least on the surface areas to be printed later, in such a way that on the outer surface of the respective bottle 2 Although a thin but very dense and firmly adhering silicate with high surface energy and therefore high Adhesive strength is produced for the respective printing ink.
- a suitable gas for example propane and / or butane gas in the presence of an organosilicon compound (eg silane).
- the UV sterilization and the UV curing of the printing ink i. the treatment of the bottles 2 at the treatment stations 10 and 10a of the treatment module 7.8 in an oxygen-poor, sterile inert gas atmosphere, e.g. from N2 and / or C02 and / or He and / or Ar and / or Kr and / or Xe takes place.
- an oxygen-poor, sterile inert gas atmosphere e.g. from N2 and / or C02 and / or He and / or Ar and / or Kr and / or Xe takes place.
- the atmospheric oxygen inhibits the crosslinking reaction or the curing of the customary polymeric printing inks.
- a low-oxygen protective or inert gas atmosphere the curing or drying times can be reduced and the through-drying of the printing ink can be improved.
- the inert gas of the protective or inert gas atmosphere acts as a transmission gas, which allows for a fast and high quality UV sterilization to use a very short-wave UV radiation, for example, UV radiation in the wavelength range of 170 to 280 nm, preferably in Range between 170 to 220 nm.
- UV radiation in the wavelength range of 170 to 280 nm, preferably in Range between 170 to 220 nm.
- the oxygen partial pressure in the protective gas or inert gas atmosphere should at most be 0.5%, preferably 0.1%, of the total pressure.
- the corresponding treatment stations 10 and 10a are housed in a housing, which is preferably acted upon by the protective or inert gas with a certain pressure, so that at the Inlet and outlet of this enclosure adjusts an inert gas flow from the enclosure into the environment, which prevents (flow) oxygen from entering the enclosure.
- a housing which is preferably acted upon by the protective or inert gas with a certain pressure, so that at the Inlet and outlet of this enclosure adjusts an inert gas flow from the enclosure into the environment, which prevents (flow) oxygen from entering the enclosure.
- UV sterilization and UV curing take place in a part of an overall system preceding the filling machine, namely in the treatment module 7.8 of the treatment section 1.
- the UV sterilization and / or UV curing or at least one corresponding treatment station in a filling machine, for example, in the form that in at least one treatment station then a UV sterilization or sterilization Also introduced into the respective bottle 2 filling takes place, as is possible in particular for mineral or table waters.
- FIG. 6 shows, in a very simplified functional representation and in plan view, a system 18 for producing the bottles 2 by blow molding and subsequent printing and UV sterilization and UV curing of the bottles 2 or of the respective imprint 2.4.
- Annex 18 includes i.a. a blow molding machine 19 of rotary type, which has a plurality of blow molds 21.
- Blow molding machine 19 has a rotor 20 which can be driven about a vertical machine axis, wherein the blow molds 21 are arranged on or on the rotor 20.
- the blow molds 21, the heated preforms are fed via a preheating section 22 having transport path in normal operation, the u.a. the transporter 23 and the two transport stars 24 and 25 has.
- the bottles 2 produced with the blow molding machine 19 are forwarded via a transport star 26 to a treatment section 27 which, for example, corresponds to the treatment section 1 and on which the bottles 2 are pretreated on their bottle outer surface and ggs. sterilized with UV radiation, printed and then subjected to UV sterilization and curing of the respective imprint or printed image with UV radiation.
- the thus treated bottles 2 are fed via an outlet star 28 and an outer conveyor 29 of a filling machine.
- the transport of the bottles 2 from the blow molding machine 19 to the treatment line 27, through the treatment line or through the various treatment modules or work stations of this treatment section and the transport on the conveyor 28 takes place in reversed form, i. with the bottle opening 2.1 facing down.
- the fundamental difference of the treatment section 27 with respect to the treatment section 1 is that instead of the container carrier 1 1, which in the treatment section 1 each fixed part of the treatment stations 10 and 10a of the individual treatment modules 7.1 - 7.8 are used in the system 18 grippers or centering and holding elements 30 ( Figure 7 and 8), where already the preforms 31 (preforms) after their transfer from the feed dog 23 and then the bottles. 2 be kept centered after blow molding and with which bottles 2 are moved to the that workstation or to that treatment module, which corresponds to the treatment module 7.8 and in which the UV sterilization of the bottles 2 takes place.
- Each centering and holding element 30 is designed so that controlled pivoting or turning of the respective bottle 2 about the bottle axis during its treatment is possible, in particular also during UV sterilization or UV curing.
- each centering and holding elements 30 is provided with an actuator or can be coupled to such a respective treatment station.
- the centering and holding elements 30 are formed so that the respective bottle 2 in the region of its mouth of the bottle 2.1. is held by clamps or jaws.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010044244A DE102010044244A1 (de) | 2010-09-02 | 2010-09-02 | Verfahren sowie Vorrichtung zum Behandeln von Behältern |
| PCT/EP2011/002502 WO2012028215A1 (de) | 2010-09-02 | 2011-05-19 | Verfahren sowie vorrichtung zum behandeln von behältern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2611695A1 true EP2611695A1 (de) | 2013-07-10 |
| EP2611695B1 EP2611695B1 (de) | 2016-06-29 |
| EP2611695B2 EP2611695B2 (de) | 2019-08-07 |
Family
ID=44118809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11722737.1A Not-in-force EP2611695B2 (de) | 2010-09-02 | 2011-05-19 | Verfahren sowie vorrichtung zum behandeln von behältern |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10486193B2 (de) |
| EP (1) | EP2611695B2 (de) |
| DE (1) | DE102010044244A1 (de) |
| WO (1) | WO2012028215A1 (de) |
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|---|---|---|---|---|
| DE102010044244A1 (de) | 2010-09-02 | 2012-03-08 | Khs Gmbh | Verfahren sowie Vorrichtung zum Behandeln von Behältern |
| JP6254526B2 (ja) | 2011-09-02 | 2017-12-27 | カーハーエス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | パッケージング手段を処理するための装置及びこのような装置において使用するためのプリントセグメント |
| DE102011112106B3 (de) * | 2011-09-02 | 2013-02-21 | Khs Gmbh | Vorrichtung zum Bedrucken von Packmitteln sowie Drucksegment zur Verwendung bei einer solchen Vorrichtung |
| DE102012005926A1 (de) * | 2012-03-26 | 2013-09-26 | Khs Gmbh | Verfahren sowie Vorrichtung zum Behandeln von Packmitteln |
| DE102012209085A1 (de) * | 2012-05-30 | 2013-12-05 | Krones Ag | Lichtumlenkung bei Behälterbedruckung |
| DE102012213079A1 (de) * | 2012-07-25 | 2014-01-30 | Krones Ag | Druckvorbehandlung |
| DE102012223402A1 (de) | 2012-12-17 | 2014-06-18 | Krones Ag | Direktdruckmaschine mit Verkleidung |
| DE102013206685A1 (de) * | 2013-04-15 | 2014-10-30 | Krones Ag | Behälterbehandlungsmodul zum Einsatz in Behälterbehandlungsmaschinen |
| DE102013217657A1 (de) * | 2013-09-04 | 2015-03-05 | Krones Ag | Einspanneinheit für Behälter an Behälterbehandlungsmaschinen |
| DE102013113784A1 (de) * | 2013-12-10 | 2015-06-25 | Khs Gmbh | Verfahren zum Entkeimen von Gegenständen sowie Mittel zur Verwendung bei diesem Verfahren |
| US10287152B2 (en) * | 2014-12-30 | 2019-05-14 | Gea Procomac S.P.A. | Apparatus and method for filling containers |
| ITUB20153178A1 (it) * | 2015-08-20 | 2017-02-20 | Cesare Mauri S R L | Apparato e metodo di sanificazione di recipienti per sostanze alimentari liquide |
| DE102016202551A1 (de) | 2016-02-18 | 2017-09-07 | Krones Ag | Verfahren, Druckkopf und Maschine zum Bedrucken eines Behälters |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2611695B2 (de) | 2019-08-07 |
| US10486193B2 (en) | 2019-11-26 |
| US20130160405A1 (en) | 2013-06-27 |
| EP2611695B1 (de) | 2016-06-29 |
| WO2012028215A1 (de) | 2012-03-08 |
| DE102010044244A1 (de) | 2012-03-08 |
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