WO2009129998A1 - Dispositif pour mesurer l’intervalle de temps entre une première ouverture et/ou la fermeture après le remplissage d’un emballage et un moment ultérieur prédéfini ainsi qu’utilisation de celui-ci - Google Patents

Dispositif pour mesurer l’intervalle de temps entre une première ouverture et/ou la fermeture après le remplissage d’un emballage et un moment ultérieur prédéfini ainsi qu’utilisation de celui-ci Download PDF

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Publication number
WO2009129998A1
WO2009129998A1 PCT/EP2009/002897 EP2009002897W WO2009129998A1 WO 2009129998 A1 WO2009129998 A1 WO 2009129998A1 EP 2009002897 W EP2009002897 W EP 2009002897W WO 2009129998 A1 WO2009129998 A1 WO 2009129998A1
Authority
WO
WIPO (PCT)
Prior art keywords
diffusion path
diffusion
display device
package
atmosphere
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.)
Ceased
Application number
PCT/EP2009/002897
Other languages
German (de)
English (en)
Inventor
Jan Kirchner
Theodor Doll
Michael Paasch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KI-SI-CO
Original Assignee
KI-SI-CO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KI-SI-CO filed Critical KI-SI-CO
Publication of WO2009129998A1 publication Critical patent/WO2009129998A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/026—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/12—Audible, olfactory or visual signalling means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/229—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating time/temperature history

Definitions

  • the invention relates to a device for indicating the passage of a predetermined period of time, for example, from the opening and / or filling of a package.
  • Sensors and indicators for monitoring the quality of packaging contents are already known. These are mainly used for freshness indication used perishable goods. They usually serve to demonstrate the integrity of the package, eg as leak indicators, and are usually affixed to the inside of the package.
  • Oxygen indicators have so far prevailed on the market, especially in Japan. These are used in the field of refrigerated, long-life finished products in transparent plastic or glass packaging.
  • stickers which are adhered to the packaging, preferably a carton or bag, and indicate the successful sterilization after the sterilization process by color change.
  • this type of ad is not intended for end use.
  • Oxygen absorber systems and oxygen indicator systems have also been developed which can be incorporated into packaging films. These are films with a complex structure, which on the one hand extend the shelf life of oxygen-sensitive foods and on the other hand indicate whether the food has been stored under suitable conditions.
  • TIME-Strip ® Another product is marketed under the name TIME-Strip ® .
  • the product has not yet been able to find its way into the market, because of the temperature dependence of the processes used Products can be used only for specific and relatively narrow ranges of service temperatures. However, this is not sufficient as a technical approach to the task.
  • GB-A-2,344,101 discloses a container closure with built-in timing device.
  • the closure may be activated upon first opening or closing by the manufacturer. Described is a variant in which a first material moves from a reservoir - triggered by the activation - to a second material, for example by diffusion or by capillary forces, and causes a color change of the second material after a certain period of time. A temperature compensation of the diffusion rate or the use of a virtually inexhaustible reservoir of first material is not described.
  • US-A-3,768,976 discloses a container with an oxygen indicator which is triggered after a certain temperature-dependent period of time.
  • the container has oxygen-permeable walls and a dye whose color changes upon contact with oxygen. A temperature compensation of the diffusion rate is not described.
  • WO-A-99 / 24.329 discloses a safety cap having a display device, wherein the first time this cap is opened, a reservoir filled with a colorant is broken and the colorant passes over an absorbing material is supplied to the visible display window.
  • This hard-to-manipulate cap allows the consumer immediately after opening a package to recognize their use. In this device, the diffusion of a separately held substance is used. Also, there is no possibility in the device for temperature compensation of the diffusion rate.
  • GB-A-2,253,287 discloses a closure cap for containers. After the container has been opened, a clock is activated and the cap shows a time elapsed after opening by means of a digital display.
  • US-A-4,195,058 describes an indicator which can be used to display the temperature and time history of articles of limited shelf life.
  • the indicator works with a vapor-permeable barrier, which is fed by a reservoir. The permeation of steam to the other side activates a display device. Neither temperature compensation of the rate of permeation nor the use of a virtually inexhaustible reservoir for the vapor are described.
  • Another device operating on this principle is known from US-A-4, 195,055.
  • time-temperature integrating devices for displaying the expiration dates of products are known from OE 698 17 138 T2 and from OE 696 33 071 T2. These devices require a comparatively complicated construction or the use of special materials.
  • Closure systems with color change systems are described in OE 691 17 758 T2 and in DE-693 24 516 T2. These allow the display of the first opening of a package or the monitoring of a negative pressure in the container.
  • DE 10 2005 055 634 A1 describes an oxygen scavenger indicator. This allows the visual display when a limit on oxygen in the environment to be monitored is exceeded.
  • this device should allow the display of the minimum shelf life and be triggered by the first opening of the package or by closing after filling.
  • the device is separate from the package contents and can be integrated in an opening device or even be part of the package itself.
  • further consumption periods specified by the manufacturer for example a period of expiration, are to be displayed and / or a time interval between the filling of the packaging and the first opening is to be displayed.
  • the originality should be displayed to indicate to the consumer whether, for example, a package was opened after filling.
  • the invention relates to a device for measuring the time between first opening and / or closing after filling a package and a predetermined later time with the features:
  • a) diffusion path which communicates at least when the package is open on one side with the atmosphere surrounding the packaging, which is on the other side in communication with a display device, and before is inaccessible to the first opening and / or closing prior to filling of the atmosphere component;
  • d) display device which indicates a predetermined first state prior to the entry of predetermined portions of the atmosphere, is triggered by access of predetermined portions of the atmosphere, and then indicates a predetermined second state.
  • the device according to the invention can be designed in different ways. On the one hand, it can be integrated in the wall of a packaging, for example in foil bags. However, it is preferably the part of a closure device for the packaging.
  • the present invention is based on the idea that at least one of the following three functions can be displayed by the display device for a consumer: the durability after onset, the durability after filling (so-called minimum shelf life) and the originality.
  • these three functions are readable by one or more display devices.
  • a diffusion path, a triggering device, possibly a compensation device and a display device can be provided for each of these functions.
  • several of these functions for example, by a common display device can be represented or that, for example, a triggering device and / or a compensation device for a plurality of functions can be used.
  • Shelf life after onset indicates the period of time that the product contained in the package is stable after the first opening of the package. This shelf-life after onset can be very short, for example in the case of foods or medicines, or even for cosmetics, for example, for a few months.
  • the shelf-life after bottling is the length of time that the product contained in the package is stable when unopened. For many applications, a combination of the indication of shelf-life after bottling and the shelf-life after it appears useful. In particular, this combination allows a consumer to determine if a product is still usable. Additionally or alternatively, the originality may be displayed, allowing a consumer to determine if a product has been opened and / or contaminated by an unauthorized third party, if any.
  • the device according to the invention is designed in the form of a closure cap in which diffusion path, triggering device, compensation device and display device are integrated.
  • any device can be used which is suitable to open the diffusion path upon opening of the package to the environment of the package.
  • these will be seals which close off the diffusion route to the surroundings of the package and which are destroyed when the package is first opened, filled or at another intended triggering event and thus at least during the opening phases of the package, the diffusion path to the environment open the packaging.
  • these are plastic webs at the intended triggering event crushed under pressure or destroyed in conjunction with elements of the package at the intended triggering event.
  • the triggering device is designed so that it opens the diffusion path to the environment of the package during filling of the package or after closing the package after filling and then does not close again, so that the diffusion distance after the triggering event to the environment of the package out remains open, regardless of whether the packaging is then closed again or is open.
  • the diffusion path can have any shapes and lengths and can be dimensioned by the skilled person depending on the desired period of time between opening and display.
  • a diffusion path may include one or more display devices, or a display device may respond to multiple atmospheric components. This is particularly advantageous if these components move at different speeds in the diffusion path. This can be achieved by suitable selection of the compensation devices, which in addition to the compensation of the temperature dependence of the diffusion can also cause a delay of the diffusion and thus a reduction of the diffusion rate.
  • the device it is possible to design the device with a plurality of diffusion paths, which are each equipped with triggering device, compensation device and display device. This also makes it possible to represent different time periods and / or triggering events.
  • the diffusion path is integrated in a closure cap in the form of a spiral, meandering or labyrinthine channel, is at the end in contact with the environment closed with a triggering device and connected at the other end with an optical display device which before the first opening or before closing after filling the package has a predetermined first color, is triggered by access of predetermined portions of the atmosphere and then a predetermined second Indicates staining.
  • the invention is based on the finding that, in a diffusion path in contact with a non-exhaustible reservoir, such as the atmosphere surrounding the packaging, a sigmoidal diffusion front is formed, the shape of which practically does not change as a result of temperature influences, which therefore only slows or accelerates temperature effects becomes.
  • a temperature compensation of the diffusion rate can be achieved in a simple manner in that the diffusion path is in contact with a material which consumes or binds the diffusing constituents, the speed being dependent on the respective temperature.
  • both methods of temperature compensation are used in the device according to the invention, namely a diffusion path in the form of a channel in a polymer and the use of materials which consume and / or bind one or more of the diffusing constituents.
  • a selected component of the atmosphere is used according to the invention.
  • This is usually a component that reacts with the material of the display device or causes a change in state of this material.
  • the material changes from a first property, for example a certain initial coloration, as a result of contact with the atmospheric constituent into a second property, for example a changed coloration.
  • Preferred constituents are water, carbon dioxide or, in particular, oxygen.
  • the device according to the invention is designed such that the speed of the selected atmospheric components moving through the diffusion path and intended to bring about a change of state of the display device is as far as possible independent of the temperature. Since the diffusion rate is known to depend on the temperature, the device according to the invention has a compensation device. This may be a material introduced in the diffusion path and / or a material which is part of the composition forming the diffusion path. The diffusibility can also be reduced by reducing the pore size when the temperature increases.
  • the material may be a chemical which reacts with the selected atmospheric constituent which is intended to cause the change of state of the display device and thereby loses its effect; it can work out though also be a material that undergoes enhanced interaction with temperature changes with the diffusing component and thereby compensates for the increase in the diffusion rate, without being consumed.
  • chemicals which can react with diffusing atmospheric constituents are oxygen-reactive chemicals, for example oxidizable substances such as metal particles, in particular those having an electrochemically activated oxidation rate, preferably iron, aluminum, magnesium and / or zinc; moisture-responsive chemicals, for example moisture-responsive metal particles such as iron, aluminum, magnesium and / or zinc particles, or metal oxide particles; and silica or water-absorbent polymers.
  • oxygen-reactive chemicals for example oxidizable substances such as metal particles, in particular those having an electrochemically activated oxidation rate, preferably iron, aluminum, magnesium and / or zinc
  • moisture-responsive chemicals for example moisture-responsive metal particles such as iron, aluminum, magnesium and / or zinc
  • the compensation means is a chemical reacting with an atmospheric constituent, preferably oxygen, which is a component constituting the diffusion path-forming composition.
  • an atmospheric constituent preferably oxygen
  • it is an injection molded article having a diffusion path formed therein made of material containing at least one oxygen-reactive chemical.
  • the display device responds to the ingress of oxygen and / or moisture and / or carbon dioxide and the compensation device is located within the diffusion path or is a component of the diffusion path forming material and is an oxygen and / or or water and / or carbon dioxide adsorbing material or a material reactive with oxygen and / or with water and / or with carbon dioxide.
  • the triggering device is a plastic seal, which is arranged at the end in contact with the environment end of the diffusion path, which closes the diffusion path from the environment of the package and by the first opening or by closing the packaging after the filling is broken.
  • a sealing unit is provided in the direction of diffusion behind the triggering device, which seals off the diffusion path from the environment when the package is sealed and allows the atmosphere to be admitted from the environment when the package is open.
  • the sealing unit is in the direction of diffusion in connection with a reservoir in connection, which forms the one side of the diffusion path.
  • any device which is suitable for signaling the access of the selected atmosphere component diffused by the diffusion section into the display device can be used as the display device.
  • a wide variety of physical changes in the display device can be used, for example, changes in the dielectric constant, the acidity, the electrical or thermal conductivity or in particular the color.
  • the invention relates to a device in which the display device is a responsive to the access of oxygen with color change polymer and in which the compensation device with a Oxygen-reactive finely divided material is that has been introduced into the diffusion path and fills or that is part of the diffusion path forming material.
  • the display device is a polymer which responds to the access of different atmospheric constituents with different property changes, for example with different color changes. This allows the determination of different time periods, depending on the diffusion rate of the individual atmospheric constituents. Their rate of diffusion can be delayed to varying degrees by selecting the material for the compensator.
  • the invention preferably relates to a device whose display device is a polymer reacting to the access of different constituents of the atmosphere with different color changes and whose compensation device consists of finely divided materials which have been introduced into the diffusion path or materials which form part of the diffusion path forming composition These materials delay the diffusion of the constituents of the atmosphere, which cause the display device, to different extents, so that these constituents move at different speeds within the diffusion path.
  • the minimum durability and the expiration date of a packaged product can be easily displayed.
  • the device according to the invention allows the display of a predetermined period of time from filling and / or from the first opening of the packaging.
  • the device includes a diffusion path with first and second display device, of which the second display device is arranged at the end remote from the environment of the container end of the diffusion path and the first Vietnamesevor- direction between the second display device and in contact with the environment the diffusion path has at least one first and one second triggering device, of which the first triggering device between the end of the diffusion path in contact with the environment and the first display device and the second triggering device between the first and the second display device arranged is.
  • the first triggering device is a plastic seal located in the direction of diffusion in front of the first display device, which is broken when filling the packaging and thus allows access of components of the environment to the first display device;
  • the second triggering device is a plastic seal which is broken upon first opening of the packaging and thus allows the access of constituents of the environment into those parts of the diffusion path which are arranged between the second triggering device and the second indicating device.
  • the compensation device is oxygen and / or moisture and / or carbon dioxide reactive material which is finely divided and located in the part of the diffusion path between the first triggering device and the first indicating device the part of the diffusion path located between the second triggering device and the second indicating device or which is part of the composition comprising the formed between the first triggering device and the first display device located part of the diffusion path and the located between the second triggering device and the second display device part of the diffusion path.
  • the device has a first diffusion path, which is connected at the end facing away from the environment of the container with a first display device, and has a second diffusion path, which at the end finallygewa ⁇ dten from the environment of the container with a second Display device is connected, wherein the first diffusion path has at least one first triggering device, which allows the admission of constituents of the atmosphere in the first diffusion path during filling of the package, and wherein the second diffusion path has at least one second triggering device, which access the first opening of the package allows for components of the atmosphere in the second diffusion path, and at least the second diffusion path has a compensation device.
  • the device according to the invention is particularly preferably integrated into a screw cap, a snap closure or a crimp cap.
  • Another preferred device according to the invention is produced by injection molding.
  • the invention also relates to the use of one of the devices described above for displaying the course of a predetermined period of time, calculated from the first opening of a package or from the filling of the package and in particular display the expiration of a predetermined period of time, calculated from the first opening of the package in combination with the display of the expiration of a predetermined period of time, calculated from the filling of the packaging.
  • the device according to the invention is preferably used in packaging of ingredients with a limited service life, in particular in packaging of foods, medicaments or cosmetics.
  • Figure 1 shows a schematic diagram of an embodiment of the device according to the invention.
  • Figures 2 to 4 show the function of a triggering device.
  • Figures 5 to 6 show the function of a sealing mechanism, which is provided in a particularly preferred embodiment of the device according to the invention.
  • FIG 1 the schematic diagram of a device according to the invention is shown in plan view. This is integrated in a cap, not shown. Shown is a diffusion path 1 with a spiral course. On one side 2, the diffusion path 1 communicates with the atmosphere and on the other side 3 with a not shown in Figure 1 display device 4. Shown is still a triggering device 5, which closes diffusion path 1 and display device 4 before opening from the atmosphere , Upon first opening of the package, the triggering device 5 is broken and allows access for constituents of the atmosphere in the diffusion path 1.
  • the compensation device 6 which consists of an oxygen-reactive material contained in the composition, from which the diffusion path 1 is constructed and from the diffusion path 1, which decreases in temperature increase in cross-section.
  • FIG. 2 shows an embodiment of the triggering device 5 in side view and before the first closure of a packaging. Shown are an upper element 10, which represents the part of a closure cap and an edge element of the opening of a packaging, for example a mouth edge 11 of a bottle.
  • the upper element 10 is composed of seal 12 and cap body 13.
  • a channel 14a, 14b is incorporated, which is divided by a plastic web 15 into a part 14a opening to the atmosphere and a part 14b opening into the diffusion path 1.
  • Plastic web 15 separates both parts 14a, 14b of the channel before the first closure of the package and thus closes the diffusion path 1 from access of atmospheric constituents.
  • FIG. 3 shows the triggering device 5 of FIG. 2 after the first closure of the packaging.
  • Seal 12 and cap body 13 are pressed onto the mouth edge 11 of the bottle and plastic web 15 is thereby compressed or broken.
  • plastic web 15 is thereby compressed or broken.
  • an undefined state can result from the first closing by the separation between the parts 14 a, 14 b of the Channel is already canceled by the breaking of the plastic web 15 or the plastic web 15 is only compressed, but the separation still exists.
  • FIG. 4 shows the triggering device 5 of FIGS. 2 and 3 after opening the packaging.
  • the pressing pressure through the mouth edge of the bottle 11 is eliminated, so that seal 12 and cap body 13 resume their original position and the compressed or broken plastic web 15 clears the way for components of the atmosphere in the part 14 b of the channel.
  • the passage between the parts 14a, 14b is interrupted again by the pressure built up by the mouth edge of the bottle 12. This can be prevented for example by appropriate dimensioning of the plastic web or in the part 14a of the channel downstream parts, a reservoir can be provided, which ensures the supply of the diffusion path 1 with constituents of the atmosphere in the closure phases after the first opening.
  • FIG. 5 shows a sealing unit 15 in the closed state, which can be attached downstream of the channel part 14b behind the triggering device 5 described in FIGS.
  • This sealing unit 15 allows the setting of a defined initial state after the first closure of the package. Shown are a mouth edge 11 of a bottle, a seal 12 and a cap body 13, in which a channel 14b, 14c is incorporated. Also shown is a plastic lip 16 which, in the illustrated closed state, obstructs the path between the parts 14b, 14c of the channel. The lower part of the cap body 13 is missing in the region of the plastic lip 16 and allows this on closing a direct contact with seal 12th channel 14c opens into the diffusion path 1 and channel 14b is connected to the tripping device shown in Figures 2 to 4.
  • FIG. 6 shows the sealing unit 15 of FIG. 5 with the packaging open.
  • the mouth edge of the bottle 12 is removed and plastic lip 16 moves with the upper part of the cap body 13 to the starting position, so that the path between both channel parts 14b, 14c is free, the access of components of the atmosphere in the diffusion path is made possible.
  • Sealing unit 15 seals the diffusion path safely after the first closure of the package. This is independent of whether plastic web 15 releases the path between the channel parts 14a, 14b or not.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un dispositif pour mesurer l'intervalle de temps entre une première ouverture et/ou la fermeture après le remplissage d'un emballage et un moment ultérieur prédéfini, ce dispositif comportant une section de diffusion (1) intégrée dans un bouchon de fermeture, un dispositif de déclenchement (5) qui permet, lors de la première ouverture ou lors de la fermeture après le remplissage de l'emballage, l'accès à des composantes de l'atmosphère dans la section de diffusion (1), un dispositif de compensation pour compenser les modifications de la vitesse de diffusion des composantes de l'atmosphère dans la section de diffusion (1) provoquées par les variations de température, et un dispositif indicateur (4).
PCT/EP2009/002897 2008-04-21 2009-04-21 Dispositif pour mesurer l’intervalle de temps entre une première ouverture et/ou la fermeture après le remplissage d’un emballage et un moment ultérieur prédéfini ainsi qu’utilisation de celui-ci Ceased WO2009129998A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008020005 2008-04-21
DE102008020005.0 2008-04-21
DE102008020599.0 2008-04-24
DE102008020599A DE102008020599B3 (de) 2008-04-21 2008-04-24 Vorrichtung zum Messen der Zeitspanne zwischen erstem Öffnen und/oder Verschließen nach dem Befüllen einer Verpackung und einem vorbestimmten späteren Zeitpunkt sowie deren Verwendung

Publications (1)

Publication Number Publication Date
WO2009129998A1 true WO2009129998A1 (fr) 2009-10-29

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PCT/EP2009/002897 Ceased WO2009129998A1 (fr) 2008-04-21 2009-04-21 Dispositif pour mesurer l’intervalle de temps entre une première ouverture et/ou la fermeture après le remplissage d’un emballage et un moment ultérieur prédéfini ainsi qu’utilisation de celui-ci

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DE (1) DE102008020599B3 (fr)
WO (1) WO2009129998A1 (fr)

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WO2011098830A1 (fr) 2010-02-12 2011-08-18 Elegio Bv Dispositif de temporisation
DE102020134931A1 (de) 2020-12-24 2022-06-30 Daniel Neuburger Biologischer Sensor zur Überprüfung der Konformität eines Produktes zu vordefinierten Nutzungsumgebungsparametern

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WO2011098830A1 (fr) 2010-02-12 2011-08-18 Elegio Bv Dispositif de temporisation
US9703264B2 (en) 2010-02-12 2017-07-11 Elegio Bv Timing device
DE102020134931A1 (de) 2020-12-24 2022-06-30 Daniel Neuburger Biologischer Sensor zur Überprüfung der Konformität eines Produktes zu vordefinierten Nutzungsumgebungsparametern
DE102020134931B4 (de) 2020-12-24 2023-01-12 Daniel Neuburger Biologischer Sensor zur Überprüfung der Konformität eines Produktes zu vordefinierten Nutzungsumgebungsparametern

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