EP3776096A1 - Zeitmessvorrichtung, zeitmessverfahren und herstellungsverfahren für eine zeitmessvorrichtung - Google Patents
Zeitmessvorrichtung, zeitmessverfahren und herstellungsverfahren für eine zeitmessvorrichtungInfo
- Publication number
- EP3776096A1 EP3776096A1 EP19721538.7A EP19721538A EP3776096A1 EP 3776096 A1 EP3776096 A1 EP 3776096A1 EP 19721538 A EP19721538 A EP 19721538A EP 3776096 A1 EP3776096 A1 EP 3776096A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- transport
- transport means
- region
- time
- 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- Withdrawn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
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
- G04F13/06—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using fluidic means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/14—Beverages
Definitions
- the invention relates to a time-measuring device with a transport means for a liquid, at least one sensor and at least one display means at least communicatively connected to the sensor for displaying a contact duration of the time-measuring device with the liquid or a meta-information derived from the contact duration.
- the means of transport comprises at least one
- Timing device through an entrance surface, at least one detection area for detecting the liquid and at least one time area with a number of channels for transporting the liquid in a defined transport time from the reservoir area to the detection area.
- the sensor is designed to detect the liquid in the detection region at an end of the time region remote from the reservoir region.
- the invention further relates to a time measuring method with the time measuring device and a manufacturing method for the time measuring device.
- the utility model DE202014009078U1 describes a tea preparation device for bag-based, portion-wise preparation of a tea beverage in which the tea is passed through an extension piece of the tea bag and a layer of food coloring into a discolourable nonwoven.
- the fleece is discolored over time with increasing distance from the tea bag, so that it can be derived from a brewing time.
- a disadvantage of the tea preparation device is that the tea enters through the tea bag relatively uncontrolled and is forwarded with several changes in direction, resulting in a poorly reproducible transport time of the tea to the web.
- the patent application DE102015108921 A1 discloses a timepiece having a strip of absorbent material encased in an airtight material, the jacket having a hole in the lower half and a dye applied to the strip.
- the tea When the strip is put into tea, the tea is absorbed through the hole from the strip and the tea migrates up through the capillary forces in the strip. He either takes a dye applied, for example, in the vicinity of the hole, on his way or dyes a pH indicator dye previously applied at a certain point. In any case, the user can understand the rise height of the tea and thus the drawing time on the basis of the dye.
- the tea does not necessarily penetrate evenly and in a predictable amount in the strip, so that the timing is inaccurate.
- An object of the present invention is to provide a low-cost and simple time-measuring device and a simple time-measuring method for accurately and reliably measuring a tea drawing time. Furthermore, it is an object of the invention to provide a cost effective and reliable manufacturing method for the time measuring device.
- the object of the present invention provides a timing device that solves the technical problem according to the features of claim 1. Likewise, the object is achieved by a time measuring method according to claim 11 and a manufacturing method according to claim 14. Advantageous embodiments emerge from the dependent claims.
- a time measuring device comprises a transport means for a liquid, at least one sensor and at least one communicatively connected to the sensor and advantageously optically freely accessible, display means for displaying a contact duration of the time measuring device with the liquid or derived from the contact duration Meta information. If the timing device, for example, at the same time with a tea bag for
- Tea preparation brought into contact with hot water corresponds to the contact time of the brewing time of the tea.
- Tea preparation brought into contact with hot water corresponds to the contact time of the brewing time of the tea.
- the transport means is preferably strip-shaped, thus has a longitudinal extent along a longitudinal axis of the transport means, which is substantially greater than a transverse extent along an orthogonal to the longitudinal axis transverse axis of the transport means.
- the longitudinal extent and the transverse extent are each substantially larger than a thickness of the transport means orthogonal to the longitudinal axis and to the transverse axis.
- a strip-shaped transport means has the advantage that with a low material requirement along the longitudinal axis, a relatively long time range can be provided in order to enable a precise time measurement. Furthermore, in the plane defined by the longitudinal axis and the transverse axis, a relatively large-area display means can be provided in order to enable a reliable readable.
- a plurality of strip-shaped transport means are produced and processed together as a band from which the means of transport are only cut out at the end of a production process.
- the strip-shaped transport is substantially rectangular. This results in particular in the advantage that a band comprising a large number of means of transport can be cut to the means of transport in a waste-free manner.
- a derived meta-information is the achievement of a
- predetermined contact duration If, for example, the achievement of an optimum brewing time or a certain degree of infusion, such as “mild”, “balanced” or “strong”, is displayed, the tea preparation is made even easier because the user does not have to know himself which brewing time, a
- the display means is advantageously optically freely accessible, so that it can be easily and clearly read by a user.
- Visually freely accessible the display means, in particular, when in use of the
- Timing device no or only transparent components of
- Timing device in an optical path from the display means into a
- teas which are mainly prepared from the leaves and leaf buds of the tea plant, this includes in particular herbal teas and fruit teas.
- the means of transport includes
- the reservoir area has the beneficial effect that there a greater amount of liquid can be kept, so that a uniform and
- the Entry surface is advantageously designed for direct contact with the liquid. This allows the liquid to immediately penetrate into the reservoir area upon contact with the liquid so that the measurement of contact time can begin at a well-defined start time. The measurement is therefore not inaccurate or poorly reproducible because the liquid must first reach the entrance surface, for example via a tea bag.
- the time range is designed so that the transport time
- Detection area passes, essentially determined by the transport time, so that it can be ensured by appropriate design of the time domain, in particular its length in the transport direction, that the
- the sensor is designed to detect the liquid in the detection region at an end of the time region facing away from the reservoir region. That is, the detection takes place at the expiration of a contact duration, which corresponds to the sum of filling time, transport time and detection time and is set, for example, to the optimal brewing time of a tea.
- a contact duration which corresponds to the sum of filling time, transport time and detection time and is set, for example, to the optimal brewing time of a tea.
- the transport means preferably comprises a composite system with a
- the enclosure of the inner area with the outer area prevents liquid from entering the liquid in an immersion of the means of transport for time measurement in the liquid through the surfaces or side edges of the means of transport uncontrolled and could thus falsify the time measurement.
- the inner area is preferably completely enveloped by the outer area at the surfaces and side edges, so that even if a user dips the transport means deeper than intended into the liquid, no liquid can penetrate through the surfaces or side edges into the inner area.
- the inner region is preferably freely accessible, at least in sections, at the lower edge and at an upper edge of the transport means opposite the lower edge.
- the inner area at the lower edge and the upper edge is not enveloped by the outer area. Due to the fact that the inner region is freely accessible at least in sections at the lower edge, the liquid can penetrate into the inner region in a controlled manner through the entrance surface arranged there.
- penetrating liquid is displaced, can escape from the interior and thus does not hinder the transport of the liquid in the interior.
- the means of transport can be produced in a particularly simple manner, for example by cutting a strip with a multiplicity of transport means arranged one after the other along its longitudinal axis to the transport means such that a single cut simultaneously forms a lower edge of a first transport means and an upper edge of another, along the Longitudinal axis to the first transport subsequent
- the interior area at the top edge is the interior area at the top edge
- moisture-repellent sealed for example, be enveloped by the outdoor area.
- the timepiece device may comprise at least one resistive element for limiting a flow of liquid from the reservoir region to the time region.
- the resistance element provides for a defined flow in and therefore also in the time domain.
- the resistance element may be opposite to the reservoir area and / or the
- Time range include a reduced cross-sectional area for the passage of the liquid and / or a material having a reduced conductivity for the liquid and / or have an increased material density. Due to the aforementioned embodiments, the resistance element is realized in a particularly simple manner.
- the interior of the means of transport can be in a particularly simple
- Embodiment form the sensor and the display means.
- the means of transport can form the complete time measuring device.
- the inner region can for example consist of a material which changes on contact with the liquid at least one optical property, such as a color or its transparency. This allows a user to directly observe the progressive transport of the liquid in the means of transport and,
- At least one marker in particular a time scale, read the contact duration.
- the interior of the transport means preferably has a translucency permeable to contact with the liquid, and is preferably opaque in a dry state and transparent in a wet state.
- Opaque means that a marking arranged on a side of the inner area facing the rear surface does not shine through the inner area, ie is largely invisible to the human eye from the front surface.
- the interior is transparent, so that the underlying mark can be clearly perceived from the front surface.
- “opaque” does not mean that the interior is completely opaque or that the mark could not shine through in the backlight.
- transparent is not to be understood that the interior is completely transparent. Rather, it is important that the mark behind it is clearly visible through the interior.
- a means of transport with variable translucency may in particular be designed as described in the document DE10151356A1
- the interior can be used in a particularly simple manner as a sensor and display means, for example by the interior area, when it is wet by contact with the liquid, the view of a mark symbolizing a certain contact duration releases.
- a dye be transported from the liquid to indicate the contact time.
- Transport means freely accessible interior, the risk of contamination of the liquid outside the means of transport excluded by the dye. This is particularly advantageous when the liquid is a food, for example tea.
- a transport speed of a dye can be controlled by
- the means of transport may be strip-shaped or thread-like.
- the means of transport can be easily attached to a, in particular professional, tea bags.
- the means of transport can replace the thread of a tea bag.
- a thread-like transport means which may be coated for example with a water-impermeable layer, the cost of materials over a strip-shaped transport is significantly reduced.
- a thread can be processed more easily in machines. Especially against paper strips, which must be inserted individually and have an increased handling effort. Due to the lower material costs and handling effort results in a clear
- the interior of the means of transport may consist of at least one material which is absorbent for the liquid.
- the transport means may consist of at least one paper and / or at least one nonwoven fabric. Paper, such as blotting paper known from biotechnology, has the advantages of being biodegradable and inexpensive.
- a nonwoven fabric has the advantage that it can consist of synthetic materials that have precisely predictable product properties, resulting in a particularly precise and reproducible time measurement.
- the nonwoven fabric may in particular be heat-sealable, for example by a sufficiently high thermoplastic content of at least 30%, in particular at least 50%, and / or biodegradable, for example of polylactides (PLA) be.
- a paper can also be heat-sealable, for example by a thermoplastic contained therein or applied thereto, for example from polylactides.
- Heat sealable materials may be heat affected, for example by hot lamination or welding, in particular
- Interior area by a cohesive connection over a large area, in particular full surface, are fixed to the outside, so that a mounted on the outside area marker through the interior, when it is transparent by contact with the liquid, is particularly clearly visible.
- Detection area and in particular the resistive element the same material composition, and / or the transport means is one piece.
- the means of transport comprises an inner region for transporting the liquid and an inner region at least in the time domain and in the
- Detection area enveloping, moisture-repellent outdoor area.
- the outdoor area encloses the interior area in the
- “Moisture-repellent” in the sense of the invention means on the one hand, during a, in particular for tea, typical storage time under, especially for tea, typical storage conditions, no large amount of moisture penetrates into the transport medium that a
- Moisture-repellent in the sense of the invention means that during use, within a typical period of use, in particular a brewing time of a tea, except through the inlet surface no amount of liquid that could distort the timing, penetrates into the transport.
- the outdoor area is thus a particularly reliable
- a sensitive sensor can be used by the outside without the risk of false-positive detection.
- the outer area preferably comprises at least one moisture-repellent
- Carrier preferably a cardboard coated with a thermoplastic, in particular a polylactide, for stiffening the transport.
- the wearer can impart sufficient mechanical stability to the means of transport, even with a very thin interior area.
- a very thin interior area is advantageous because in this case the transport of the liquid takes place substantially in one plane and is therefore very reliably predictable.
- a thin interior area is particularly easy liquid repellent of the
- the transport can, for example, upright in a
- the means of transport can be achieved by a connection between the interior and
- Exterior for example, a weld and / or a number of
- the means of transport can be achieved by at least one bend or folding in the
- the wearer is preferably elastically pliable so that he is free of danger to him
- the support may have at least one defined bending area in which it is more easily bendable than outside the bending area. This ensures that the wearer, for example, when he is being packaged, primarily in the Bending area bends, which may be outside the time range, for example, so that the time measurement is not distorted by a bend in the transport area.
- thermoplastic material By at least one-sided, preferably two-sided, coating with a thermoplastic material, a low-cost, easy-to-process and biodegradable material such as a cardboard can be made moisture-repellent.
- a thermoplastic resin is heat sealable, so that the corresponding coated cardboard without an additional adhesive
- a tea bag can be connected.
- the outdoor area can have at least one moisture-repellent non-woven fabric
- the interior can be made of liquid-absorbent material
- Nonwoven fabric exist.
- multi-layer nonwoven fabric for example, with two moisture-repellent and an interposed absorbent nonwoven fabric layer.
- the outdoor area can be at least one surface impregnation or
- Impregnation of the surface for example by spraying, can make the surface as water-impermeable as the use of a film, but is much faster and easier to carry out and requires less expensive machines than welding into a film.
- the impregnation or coating is applied in liquid form, for example by immersion in a bath or spraying.
- the outer region can be at least one moisture-repellent and at least partially transparent film, preferably of a thermoplastic
- Plastic include.
- the outer area can in particular be designed as the casing described in DE102015108921A1.
- the corresponding paragraphs [0022] to [0035] of DE102015108921A1 are hereby incorporated by reference.
- the outer area may comprise at least one air outlet opening for the exit of at least air from the inner area.
- the air outlet is
- the air outlet prevents air trapped in the means of transport from uniformly transporting the liquid from the container
- the air outlet opening may be closed by a membrane which selectively allows gases to pass through and Retains liquids. This prevents liquid from entering or leaving through the air outlet opening, which could falsify the time measurement or interfere with the handling of the time measuring device, for example because a user gets wet fingers when he touches the time measuring device in the region of the air outlet opening.
- the outside area can be thermally and / or chemically modified compared to the inside area.
- an existing of an absorbent material transport can be sealed in the outdoor area by a heat treatment moisture repellent.
- the exterior area can be translucent, in particular transparent, at least in sections, in particular in the area of the display means.
- an at least partially translucent outdoor area both the means of transport can be protected and the display means optically freely accessible, so that a clear and thus reliable readability of the display means is ensured.
- the timepiece device may include at least one shutter device for
- Timing device may be open. As a result, the means of transport can be protected from moisture until the time measuring device is used, whereby a reliable time measurement is possible even after prolonged storage.
- the closure device may, for example, comprise a film covering the entrance surface, which may be removed, for example torn off, from the entrance surface prior to use of the time-measuring device.
- the closure device is advantageously soluble in the liquid. This simplifies the application of the timing device, since the
- Closure device does not have to be opened manually.
- Closure device may for example consist of a material that dissolves in the liquid, such as a sugar.
- the closure device can only be soluble in the liquid above a minimum temperature.
- the minimum temperature may for example correspond to a minimum drawing temperature of a tea.
- a user for example, on the closure device, can easily recognize that of water used to infuse the tea is not hot enough.
- the closure device may comprise a candied sugar which dissolves only above the minimum temperature on an application-relevant time scale of, for example, one or a few minutes when a tea brewing time is to be measured.
- Transport means formed by the carrier and the front surface of the transport means formed by the film, and arranged between the carrier and the film, the inner region of the transport means.
- This particularly simple structure as a three-layer composite system on the one hand good mechanical stability of the transport through the carrier and on the other hand good visibility of the interior and thus ensures a good readability of the contact time through the film.
- the interior can be coated by the support and the film moisture repellent.
- the carrier and the film preferably form on the side edges of the
- Transport means in each case a supernatant over the inner region, wherein at least the carrier and the film, at least on the side edges moisture repellent, in particular cohesively, are interconnected.
- the inner area at the side edges can be covered in a particularly easy and reliable moisture-repellent way.
- the carrier and the film can be flush with the inner region at the side edges without projection.
- This embodiment allows a particularly simple production, because carrier, film and interior can have the same format and thus, for example, can be cut together from a pre-produced composite system.
- a disadvantage of this embodiment is that a moisture-repellent sealing of the side edges is more expensive.
- the inner region and the carrier are preferably connected to each other at least in sections cohesively. This ensures that the inner region rests against the carrier at least in the detection region, so that a marking attached to the carrier can be clearly read through the inner region when it becomes transparent through contact with the liquid. In particular, it is prevented that accumulates between the interior and the carrier air or liquid, which could hinder the readability.
- the display means preferably comprises a marking, in particular a color marking, wherein the marking is preferably attached to the inner area and / or the outer area on a rear side of the inner area such that the mark is in a wet state of the inner area of the front area visible through the interior.
- the marking is preferably made by a moisture-repellent material, in particular a moisture-repellent film and / or a
- Moisture-repellent coating of a carrier separated from the interior. This ensures that the liquid does not come into direct contact with the mark, so that contamination of the liquid,
- the exclusion of contaminations is particularly important.
- the marking may be printed on the support before or after it is provided with a moisture-repellent coating.
- the timing device may include a plurality of channels for transporting the
- reservoir area to the detection area.
- the course of different contact times can be detected with a single time measuring device, in particular with a single sensor.
- the respective optimal brewing time for different teas and / or for different infusion levels can be detected.
- the channels can be separated from each other with respect to a maximum flow of
- Liquid from the reservoir area in the respective channel different resistance elements to the reservoir area to be connected liquid-conducting. As a result, the flow through the channels and thus the respective transport time can be adjusted.
- the channels may have different lengths of travel and / or flow resistances for the liquid from the reservoir area to the detection area. As a result, the respective transport duration can be set through the channels.
- the channels may include a number of closure devices for temporarily closing each one channel against transport of the liquid from the reservoir region to the detection region, wherein the Closure devices may be soluble in particular in the liquid.
- closure devices at different locations.
- Temperatures be soluble, so depending on the temperature channels with different transport time are released. This can, for example, depending on
- Temperature of the liquid of the sequence of different lengths contact times are detected, for example, the expiry of a depending on the temperature of the
- the channels may be fluid-conductively connected to a plurality of reservoir regions, which particularly preferably each comprise a closure device for temporary closure of the entry surface of the respective reservoir region against ingress of moisture.
- the at least one sensor and the at least one display means can of
- the dye may for example be arranged in the time domain and be transportable from the liquid into the detection area.
- the dye may be color-changeable by contact with the liquid.
- liquid when transported by the transport means, can take the dye along its way and / or color the dye, for example, by the pH of the liquid.
- the user can observe the running distance of the liquid in the transport means of the dye well.
- the dye may in particular be designed as described in DE102015108921A1. The corresponding paragraphs [0036] to [0052] of DE102015108921 A1 are incorporated herein by reference.
- Contact time for example, green tea 2 minutes
- This can be achieved by partially covering or covering the means of transport, in particular in the time domain, with an opaque material.
- the opaque material may, for example, comprise a film which is transparent only at the points which the liquid reaches after a predetermined time (for example after 2 minutes for green tea).
- the display means may include at least one marker, in particular a plurality
- Markings for example in the form of a time scale include.
- a scale related to a degree of infusion of a tea for example "mild” - "balanced” - “strong” is also conceivable.
- the at least one marking can be attached to the means of transport, in particular to an outer area of the means of transport. If the marker is attached directly to the means of transport, a user can easily and accurately adjust the distance covered by the liquid in the means of transport
- the timepiece may include at least one retention means for retaining the dye in the timepiece.
- the retention agent By means of the retention agent, it is possible to prevent the dye from escaping into the liquid, for example with regard to food law.
- the retaining means may for example
- suction reservoir which is arranged downstream of the detection area in the transport direction of the liquid in the transport.
- Timing device at any time a liquid transport from the entrance surface by the transport takes place in the suction reservoir, and no liquid with any dissolved therein dye exits the timing device.
- Retention agent may comprise a chemical bond of the dye to the transport means and / or a dye-impermeable membrane at the entrance surface, and in particular at an air outlet opening.
- the means of transport in particular the entire time measuring device, is biodegradable, preferably compostable.
- biodegradable means at least limited biodegradability according to the tests of OECD Test Series 302 (AC), preferably rapid and complete biodegradation under aerobic conditions according to OECD Test Series 301 (AF) at least one
- biodegradability the means of transport, for example
- the biodegradability can, for example, by a preparation of the
- Transport means in particular the entire timing device, made of paper and biodegradable plastics, such as polylactides, can be achieved.
- the at least one sensor can be an electronic sensor, in particular
- At least one moisture sensor particularly preferably with a number of electrodes for contact with the liquid, and / or at least one optical sensor for the optical detection of the liquid, a dye and / or a color change of the dye.
- the electrodes may, for example, be printed on the means of transport for the simplest possible manufacture of the time-measuring device.
- the optical sensor can be, for example, a camera,
- a camera integrated in a computer device for example a smartphone.
- the liquid can be detected very precisely by means of an electronic sensor, and an output signal from an electronic sensor can be further processed in a variety of ways.
- a time measuring device with an electronic sensor can also be designed without transport means, for example when the electronic sensor is designed to start an electronic contact time measurement on contact with the liquid.
- the at least one display means may be at least one electronic
- Signal output device for outputting at least one signal, preferably a vibration signal, acoustic signal and / or optical signal.
- Timepiece particularly clear, in particular over several senses, communicated the measured contact time or the expiration of a predetermined contact time become.
- the display means and the sensor can be spatially separated from each other and in particular only communicatively, for example via a radio link, in particular via near field communication (NFC) or Bluetooth, be connected to each other.
- the display means may for example be integrated in a computer device, in particular a smartphone.
- the time measuring device may comprise at least one energy supply, in the simplest case with a connection for an external energy source, for supplying the at least one sensor and / or the at least one display means with energy.
- the energy supply can be at least one energy store, for example a battery or an accumulator, in particular printed on the means of transport, and / or an energy recovery device,
- a Peltier element or a photovoltaic module include.
- an energy store in particular in conjunction with a
- the power supply is advantageously independent of an external power source, so that the timing device can be used in any location.
- the timepiece device may include at least one with the at least one sensor
- the communication device for, in particular wireless, communication with a computer device, for example a smartphone.
- the communication device may, for example, a
- Near field communication and / or Bluetooth transceiver include.
- the communication device advantageously measurement data of the sensor, for example, for evaluation, storage and / or display, to the
- the time measuring device may comprise at least one data memory for storing measured data determined by the sensor, derived meta information and / or reference data.
- the time-measuring device may comprise at least one identification means for identifying the time-measuring device, wherein the identification feature preferably comprises an alphanumeric code, a barcode, a QR code and / or an RFID transponder.
- the timepiece device may include at least one temperature indicator for indicating a temperature of the fluid, the temperature indicator preferably having one
- Liquid crystal thermometer includes. Through a temperature gauge, a user can For example, check the timing device that the used
- Infusion water has the right temperature to prepare a tea.
- Liquid crystal thermometer has the advantages that it is flexible, very flat and constructed without moving parts, so that it can be easily and inexpensively integrated into the timing device.
- components can completely replace or only supplement the means of transport. It is possible, for example, tracks in different
- Humidity sensors and speakers that can be applied to paper. It is possible, for example, to measure the ascending liquid in the means of transport at different running distances with a humidity sensor and then, for example, to output a different tone depending on the distance traveled.
- tea bags is characterized in that on the filter paper web for each teabag a time measuring device according to the invention is attached.
- a time measuring device is mounted on the filter paper web, in a particularly simple manner, a tea bag with it attached Timepiece be made, in particular without modifying the manufacturing process of the tea bag from the filter paper web.
- the rear surface of the transportation means of the time measuring device is preferably
- Rear surface has the advantage that a reading of the contact time on the front surface is not hindered by the tea bag.
- the attachment may comprise, for example, a material connection, in particular a heat seal connection.
- a material connection in particular a heat seal connection.
- Commercial paper webs commonly used for making tea bags are generally heat-sealable, for example, because they are made of polylactides.
- the rear surface of the means of transport can be heat-sealable, for example, by a
- thermoplastic coating of a carrier of the transport is formed.
- At least one attachment is near the lower edge of the
- Transport means where the entrance surface for the liquid may be located provided. This ensures that the entry surface is immersed in the liquid together with the tea bag, so that the entry surface comes into contact with the liquid simultaneously with the tea bag and thus the start times of the contact time of the time measuring device and tea bag with the liquid
- the rear surface of the transport means of the timing device is preferably fixed to the filter paper web by at least one upper attachment near the upper edge of the transport means.
- the means of transport can be bent around the tea bag to save space by at least two fasteners in the manufacture of the tea bag.
- the upper attachment is designed to be less strong than the lower attachment, for example, perforated and / or with a smaller contact surface, so that the upper attachment can be solved by a user of the teabag of this. This can, for example, a through upper and lower
- Attachment around the teabag bent transport means for using the teabag and measuring the drawing time are unilaterally detached from the teabag and, preferably by elastic recovery of the means of transport
- the transport can also be used to hold the tea bag, to which usually the teabag thread is used. Accordingly, the transport means can replace the tea bag thread, thereby facilitating the production of the tea bag.
- the filter paper web can be used to make the tea bags in a central
- Foldable region of the filter paper web to be foldable about a longitudinal axis of the filter paper web, wherein the transport of the time measuring device is preferably arranged transversely to the longitudinal axis on the filter paper web and by a middle
- Attachment in particular between the lower edge of the means of transport and the central folding area, is attached to the filter paper web.
- the means of transport is held particularly reliable on the tea bag.
- the middle attachment is preferably designed stronger than the upper attachment, so that only the upper attachment is released by a user of the teabag. Through the remaining middle and lower attachment then the transport can be used together with the attached tea bag, for example, to stir the tea.
- the middle attachment is preferably between the lower edge of the
- Transport means and arranged the central folding area, so that the lower and middle attachment are located on a same side surface of the finished tea bag, so that the means of transport is not twisted or bent by the lower and middle attachment.
- a time measuring system according to the invention with a, in particular pyramidal, tea bag is characterized in that a teabag is attached to the tea bag
- the time measuring device according to the invention is attached.
- Transport means of the timing device is preferably attached at least by a lower attachment near the lower edge of the transport means to the tea bag.
- a time measuring system comprises at least one time measuring device according to the invention.
- the time measuring device is at least partially integrated into a vessel, preferably a drinking vessel, and / or a stirring tool, preferably a spoon, for the liquid and / or a tea container, preferably a tea bag, a tea filter or a tea stick.
- relatively expensive and reusable components of the time measuring device such as an electronic sensor or an electronic display device may be integrated in a reusable container, for example a teapot or a teacup, or a reusable stirring tool. This can reduce the cost of using the timing system and save resources for manufacturing.
- the timing device may be attached to a tea container
- the timing device can replace the thread of a tea bag.
- the attachment of the time measuring device can be particularly easily integrated into the production of the teabag.
- a timepiece attached to a tea container may have a stiffness relative to a teabag thread and / or, in particular near the inlet, a ballast weight. Due to increased rigidity, the time measuring device can advantageously be used for stirring the tea. By a ballast weight ensures that the entry surface is completely immersed in the infusion water, so that the infusion water can pass through the entrance surface in the transport.
- the tea container may comprise a squeezing device and / or a holding device for the tea container.
- a squeezing device such as a hinged tab on the timing device
- the tea container can be expressed at the end of the brewing time to empty it without uncontrolled drop or to dispose of.
- a holding device for example with a number of tabs and / or hooks on the timing device, the tea container can be safely held in a tea making vessel.
- a time measuring method according to the invention is provided with a method according to the invention
- Timing device performed and comprises at least the following steps: a) contacting the entrance surface of the reservoir portion of the
- Detection time which is correlated with the contact start time, and d) Displays the contact duration or derived from the contact time Meta information.
- the contacting is advantageously carried out directly, that is to say in particular not via another medium, for example a tea bag, between the inlet surface and the liquid, so that there is no delay that can be controlled by a transport of the liquid through the further medium.
- another medium for example a tea bag
- the transporting can be dispensed with if an electronic contact time measurement is started by detecting, for example, by the contact of an electronic sensor at the contact start time.
- the detection time follows up to negligible
- a meta-information is, for example, the expiration of a predetermined one
- Contact duration for example, an optimal brewing time of a tea.
- other information such as a
- the sequence of another optimal brewing time of a tea can be displayed.
- Detecting may be an optical, preferably visual, detection of a change in light transmittance of the interior of the transport means of FIG.
- Timing device by the liquid include.
- the Inside area become transparent by contact with the liquid, so that an attached to the rear surface of the transport means side facing the inner region of the marking from the front surface of the means of transport is visible through the inner region.
- Detecting may be an optical, preferably visual, detection of the liquid, in particular a dye transported by the liquid into the detection region and / or a color change of one in the detection region
- a visual detection can be carried out in a particularly simple manner and, in particular, without further aids, with a particularly simply constructed time-measuring device.
- detection may be as described in paragraphs [0061] to [0066] of DE
- the detection may include electronically detecting the liquid, preferably with a moisture sensor.
- Electronic detection offers the advantages of high precision and reliability, and also offers many possibilities for further processing the detection signal.
- the contacting may involve opening a closure device for
- the opening can only take place above a certain temperature, for example a minimum infusion temperature of a tea.
- the display may include outputting at least one signal, preferably one
- Vibration signal, radio signal, acoustic signal and / or optical signal include.
- the radio signal can be displayed, for example, to a computer device, in particular a smartphone, for example to indicate the contact duration on the computer device.
- a manufacturing method according to the invention is used to produce a
- Timing device and in particular a
- Timing system according to the invention and comprises at least the following
- the blank is advantageously strip-shaped and can in its surface a
- the blank for the liquid may comprise absorbent areas, in particular strips, for forming in each case an inner area and moisture-repellent areas, in particular strips, for forming part of the outer area.
- material composition can be particularly easily a moisture-repellent surrounding the inner area
- the blank consists for example of at least one nonwoven fabric.
- the applied sections may be similar or related to theirs
- one section may be at least partially transparent and the other section may be opaque.
- the sections may comprise at least one nonwoven fabric.
- An at least partially transparent portion may comprise a foil.
- the applied to the rear surface portion may comprise a moisture-repellent carrier for stiffening the transport means.
- the method preferably comprises compressing the sections at least at a right and left side edge of the blank.
- the compression can be a welding, in particular a
- Ultrasonic welding, and / or lamination, in particular hot lamination or heat sealing, comprising sections with each other and preferably at least one section with the blank.
- Ultrasonic welding offers the particular advantage that only a small thermal stress occurs in the vicinity of the weld and even relatively thick composite systems can be welded over their entire thickness.
- a pattern of fixing points of the sections on the inner area can be generated by ultrasonic welding. Due to the density and arrangement of the
- Fixing points can be controlled locally, for example, a flow of the liquid in the inner region, the visibility of a mark by the inner region and / or the mechanical stiffness of the transport. Furthermore, such a pattern may represent a feature for forgery-proofing of the means of transport.
- Transporting a low density of fixing points may be provided in order to achieve a high flow and high flexibility.
- a high density of fixing points may be provided in a detection area in order to ensure, on the one hand, slow liquid transport and thus precise readability and, on the other hand, a close contact of the inner area with the outer area and thus good visibility of a marking on the outer area
- Heat sealing or hot lamination offers the advantage of being able to connect large surfaces quickly and cost-effectively over the entire surface.
- the compression may include an embossing of information, in particular a marking or an identification means, in particular for increasing the security against forgery, in the means of transport.
- the manufacturing method may include connecting the transport means to a tea container, in particular by welding, for example
- the tea container is advantageously a tea bag, in particular a pyramidal tea bag.
- the manufacturing process may include attaching a dye to the blank, preferably before applying the second portion.
- the manufacturing process may include tailoring the transport means, especially after compression.
- the transport means is cut only after the compression, in the preceding steps, a plurality of transport means can be prepared in parallel, so that a particularly fast and cost-effective production is possible.
- FIG. 1 shows a schematic representation of a time measuring system according to the invention
- FIG. [ Figure 2] is a schematic representation of another invention
- FIG. 5 is a schematic representation of an inventive
- FIG. 6 is a schematic representation of another invention
- FIG. 7 a schematic representation of a filter paper web according to the invention.
- FIG. 1 shows a schematic illustration of a time measuring system 400 according to the invention.
- the illustrated time measuring system 400 comprises a
- Timing device 100 includes a transport means 120 for a liquid, which comprises a reservoir region 121 with at least one liquid inlet surface 124, a time region 123 and a detection region 122.
- the transport means 120 comprises an inner region 126, for example a strip of absorbent paper or non-woven, for transporting the liquid and a moisture-repellent
- Exterior such as a foil or a
- the outer region may comprise at least one opening for the liquid at the entry surface 124.
- a dye 181 is attached, which forms a sensor and a display means.
- timing system 400 at least with the entrance surface 124 in a
- Liquid such as hot water to infuse the tea, immersed, the liquid can penetrate through the entrance surface 124 in the inner region 126 and is by capillary forces in the inner region 126 of the
- Reservoir area 121 are transported through the time range 123 in the detection area 122.
- the dye 181 can be carried by the liquid.
- the detection area 122 includes a number of, for example three, markers 300 ("MILD", "BALANCED", "STRONG").
- MILD Magnetic Ink Characterization
- BALANCED "STRONG”
- a contact time with the liquid which corresponds, for example, to a degree of infusion of the tea represented by the respective marking 300, has expired.
- a resistance element 160 for example a reduced one, can be used
- Flow cross-section be arranged for flow limitation.
- a section of the outer area of the means of transport 120 may comprise a carrier 143, for example made of a, in particular liquid-resistant, cardboard, and in particular be connected to the tea container 420 via it.
- a carrier 143 for example made of a, in particular liquid-resistant, cardboard, and in particular be connected to the tea container 420 via it.
- Timing system may comprise a, for the tea bag 420, in particular designed as a foldable tab of the carrier 143, the squeezing device 421.
- FIG. 2 shows a schematic representation of another time measuring system 400 according to the invention.
- a time measuring device 100 according to the invention is attached to a lateral surface of a vessel 410, in particular a tea cup.
- the vessel 410 may further include a tea bag 420.
- Figure 3 shows a schematic representation of an inventive
- Timing device 100 immersed in a liquid (not shown), such as hot infusion water, in a vessel 410, such as a teapot, for use with a number of, for example, two teabags 420.
- a liquid such as hot infusion water
- a vessel 410 such as a teapot
- FIG. 4 shows a schematic representation of a further time measuring system 400 according to the invention with a tea bag 420, which is open in particular on its upper side, and with an inventive inventive device
- the tea bag 420 comprises a number of, for example two, holding devices 422, for example foldable
- Figure 5 shows a schematic representation of an inventive
- Production method 600 for a time measuring device 100 according to the invention Production method 600 for a time measuring device 100 according to the invention.
- the manufacturing method 600 comprises providing 610 a blank 127, for example a sheetlike, absorbent nonwoven, for an interior area for transporting the liquid.
- moisture-repellent nonwoven fabric at least on a front surface 130 and a front surface 131 of the blank 127 opposite the front surface.
- FIG. 6 shows a schematic illustration of a further production method 600 according to the invention for time measuring devices 100 according to the invention.
- the production method 600 comprises printing 601 a carrier 143, for example a web of a cardboard coated with a thermoplastic, in particular with pollactides, in particular with a thickness of 1 mm to
- an application 620 of a respective blank 127 for an inner region 126 of the transport means 100 is effected on each of the markings 300 an application 620 of a moisture-repellent and at least partially transparent film 144, for example
- Polylactides in particular with a thickness of 50 pm to 100 pm, on the blanks 127.
- the application 620 of the blanks 127 and the foil 144 is preferably carried out such that the foil 144 and the carrier 143 at least at the right side edge 132 and the left side edge 133 of the blanks 127 each form a projection 145 over the blanks 127.
- the method 600 includes compressing 630 at least the moisture proof compound protrusions 145 of the backing 143 with the film 144.
- the compression 630 may include, for example, ultrasonic welding.
- a separation 640 of the composite system of carrier 143, inner regions 126 and foil 144 takes place, for example by cutting the composite system, into individual transport means 120, which in particular can each form a complete time measuring device 100.
- the singulation 640 can take place in such a way that the inner regions 126 are freely accessible, at least in sections, at least at a lower edge 135 and in particular also at an upper edge 134 of the respective transport means 120.
- FIG. 7 shows a schematic representation of a filter paper web 419 according to the invention, for example of polylactides, for producing a filter paper web 419
- a plurality of teabags 420 On the filter paper web 419, a timing device 100 is mounted for each tea bag 420, the back surface of the teabag 420 being attached to the filter paper web 419
- Transport means 120 of the time measuring device 100 which may be coated with a thermoplastic, for example, at least by at least one lower attachment 418, for example, a Ultraschallverschundstedung, near the lower edge 135 of the transport means 120 is attached to the filter paper web 419.
- a thermoplastic for example, at least by at least one lower attachment 418, for example, a Ultraschallverschundstedung
- At least one upper attachment 417 for example an ultrasonic weld, near the upper edge 134 of the transport means 120.
- the filter paper web 419 may be foldable about a longitudinal axis of the filter paper web 419 to produce the tea bags 420 in a central fold region 415 of the filter paper web 419, wherein the transport means 120 of the time measuring device 100 is preferably arranged transversely to the longitudinal axis on the filter paper web 419 and through a middle attachment 416, for example a
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Packages (AREA)
- Apparatus For Making Beverages (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Table Devices Or Equipment (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018107694.0A DE102018107694B4 (de) | 2018-03-29 | 2018-03-29 | Zeitmessvorrichtung, Zeitmesssystem, Zeitmessverfahren und Herstellungsverfahren für eine Zeitmessvorrichtung |
PCT/EP2019/058063 WO2019185899A1 (de) | 2018-03-29 | 2019-03-29 | Zeitmessvorrichtung, zeitmessverfahren und herstellungsverfahren für eine zeitmessvorrichtung |
Publications (1)
Publication Number | Publication Date |
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EP3776096A1 true EP3776096A1 (de) | 2021-02-17 |
Family
ID=66397191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19721538.7A Withdrawn EP3776096A1 (de) | 2018-03-29 | 2019-03-29 | Zeitmessvorrichtung, zeitmessverfahren und herstellungsverfahren für eine zeitmessvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210072706A1 (de) |
EP (1) | EP3776096A1 (de) |
JP (1) | JP2021519921A (de) |
DE (1) | DE102018107694B4 (de) |
WO (1) | WO2019185899A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954011A (en) * | 1973-09-24 | 1976-05-04 | Minnesota Mining And Manufacturing Company | Selected time interval indicating device |
CA2014409A1 (en) * | 1990-04-11 | 1991-10-11 | Mark Adrian Jozefowicz | Liquid and/or temperature activated elapsed time indicators suitable, in particular, as doneness indicators for foodstuffs |
DE10000046B4 (de) * | 2000-01-02 | 2004-01-15 | Usslepp, Sören-Michael | Vorrichtung zur Anzeige der Zeitdauer des Aufbrühens von Teegetränken |
DE20003319U1 (de) * | 2000-02-17 | 2000-04-20 | Hp Haushaltprodukte Gmbh, 56410 Montabaur | Behälter zur Lagerung und/oder Zubereitung von Lebensmitteln und ein System mit einem Behälter |
DE10151356A1 (de) | 2001-10-22 | 2003-04-30 | Axel Mueller | Vorrichtung und Verfahren zur Zeitmessung |
DE202011001184U1 (de) * | 2011-01-03 | 2011-03-24 | Lang, Stephanie | Teemaschine und Teebeutel |
CH709436A2 (de) * | 2014-03-21 | 2015-09-30 | Arco Design Gmbh | Verfahren, Aufgussbehälter und Zubereitungsvorrichtung für die Zubereitung eines Aufgussgetränks. |
DE202014009078U1 (de) | 2014-11-17 | 2014-11-24 | Martin Bauer Gmbh & Co. Kg | Tee-Zubereitungseinrichtung zur beutelbasierten, portionsweisen Zubereitung eines Teegetränkes |
DE102015108921B4 (de) * | 2015-06-05 | 2023-05-25 | T-TIMR GmbH | Zeitmessvorrichtung |
US20170319004A1 (en) | 2016-05-03 | 2017-11-09 | Meister Cook, LLC | Method, device and apparatus for preparing a beverage with a liquid immersible bag with a desired steep time |
DE202016003932U1 (de) * | 2016-06-23 | 2016-09-14 | Lothar Göde | Elektromechanische Aufgussvorrichtung zur Begrenzung einer Ziehzeit eines Aufgusses |
DE102017115245A1 (de) * | 2017-07-07 | 2019-01-10 | Katharina Hage | Zeitindikator sowie ein Verfahren zum Herstellen eines Zeitindikators |
-
2018
- 2018-03-29 DE DE102018107694.0A patent/DE102018107694B4/de active Active
-
2019
- 2019-03-29 EP EP19721538.7A patent/EP3776096A1/de not_active Withdrawn
- 2019-03-29 WO PCT/EP2019/058063 patent/WO2019185899A1/de active Application Filing
- 2019-03-29 US US17/040,576 patent/US20210072706A1/en not_active Abandoned
- 2019-03-29 JP JP2020552284A patent/JP2021519921A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20210072706A1 (en) | 2021-03-11 |
DE102018107694A1 (de) | 2019-10-02 |
DE102018107694B4 (de) | 2023-03-16 |
WO2019185899A1 (de) | 2019-10-03 |
JP2021519921A (ja) | 2021-08-12 |
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