drinking bottle

Abstract

The present invention relates to a drinking bottle comprising a container for drinking liquid, a mouthpiece, a drinking liquid transport channel extending from a mouth end of the mouthpiece into the container, an aroma chamber for receiving an aroma substance, and an aroma transport channel for transporting air enriched with the aroma substance, i.e., aromatized air, wherein the aroma transport channel extends from the aroma chamber to the drinking liquid transport channel or to the mouth end of the mouthpiece.In order to provide a more user-friendly, flexible and alternative drinking bottle for retronasal drinking compared to the drinking bottles known from the prior art, the drinking bottle has an aroma transport actuator which can assume a locked position in which the transport of aromatized air through the aroma transport channel is prevented, and which can assume an open position in which the transport of aromatized air through the aroma transport channel is enabled.

Description

The present invention relates to a drinking bottle comprising a container for drinking liquid, a mouthpiece, a drinking liquid transport channel which extends from a mouth end of the mouthpiece into the container, an aroma chamber for receiving an aroma substance, and an aroma transport channel for transporting air enriched with the aroma substance, i.e. aromatized air, wherein the aroma transport channel extends from the aroma chamber to the drinking liquid transport channel or to the mouth end of the mouthpiece.Such a drinking bottle is suitable for so-called retronasal drinking. The principle of retronasal drinking is explained below.During times of increasing interest in conscious and healthy nutrition, as well as for fitness reasons, the beverage industry offers numerous solutions of reduced-calorie or non-calorie beverages. Many customers wish to low-calorie / non-calorie beverages on the one hand, but do not wish to do away with a taste experience. To meet these requirements, the industry offers sugar-reduced beverages or beverages provided with sugar substitutes or sweeteners. However, these materials may have other health or taste disadvantages.As stated in the introduction in EP 3 944 792 A1, water is therefore frequently provided with fruit flavours. Beverages flavoured in this way can, however, contain undesirable substances (such as the aforementioned sweeteners or colorants) and optionally small amounts of sugar.EP 3 944 792 A1 performs the following: "Since the olfactory sensation constitutes a substantial part of the gustritic sensation during consumption of food and beverages, prior drinking systems attempt to influence the odour perceived during drinking. For this purpose, aroma elements are proposed which can be fastened to a drinking vessel close to the drinking opening so that the aroma element is located in the immediate vicinity of the nose of the user who inhales through the nose during drinking and thus absorbs the scent. WO 2019 / 016096 A1 discloses a drinking device for retronasally receiving a aroma substance with an aroma container through which air can flow, which supplies aromatized air to a transport channel for drinking liquid. In this way, the aroma substance is incorporated retronasally. When drinking, the aroma substance reaches the user's mouth together with the drinking liquid and subsequently rises retronasally via the pharynx to the olfactory mucosa, where it is captured by the receptors located there and perceived by the user. In this case, use is made of the fact that there is a close relationship between the odor sense and the taste sense. The user therefore feels as if he were tasting the flavour, although he actually smells it only retronasal."Drinking bottles for so-called retronasal drinking are known from the prior art, such as e.g. from EP 3 944 792 A1. However, these drinking bottles are often complex to handle.The object of the present invention is thus to provide a drinking bottle with which retronasal drinking is made possible in a more user-friendly, more flexible and alternative manner compared to the drinking bottles known from the prior art. Furthermore, the object of the invention is to use the drinking bottle for a user-friendly drinking.This object is achieved with a drinking bottle according to claim 1 and a use of a drinking bottle according to claim 15.The present invention relates to a drinking bottle comprisinga container for drinking liquid;a mouthpiece,a drinking liquid transport channel which extends from a mouth end of the mouthpiece into the container,a flavoring chamber for receiving a flavoring agent, anda aroma transport channel for transporting air enriched with the aroma substance, i.e. aromatized air, wherein the aroma transport channel extends from the aroma chamber as far as the drinking liquid transport channel or as far as the mouth end of the mouthpiecea aroma transport actuator element which can assume a blocking position in which transport of aromatized air through the aroma transport channel is prevented and which can assume an opening position in which transport of aromatized air through the aroma transport channel is made possible, wherein the aroma transport actuator element is formed by a channel section of the aroma transport channel, wherein the channel section is movable from a first channel section position in which the channel section is not fluidically connected to the aroma chamber into a second channel section position in which the channel section is fluidically connected to the aroma chamber and vice versa,The drinking bottle is characterized in that the channel section is arranged in a multi-part container lid, namely in an aroma part of the container lid, wherein the aroma part is rotatably mounted, and wherein by rotating the aroma part the channel section is movable from the first into the second channel section position and vice versa. Furthermore, the drinking bottle is characterized in that the container lid also has a closing part, wherein the aroma chamber can be closed by means of the closing part, in particular by rotating the closing part relative to the aroma part, towards the inside of the drinking bottle and / or towards the outside of the drinking bottle.The closing part can ensure that an object located in the aroma chamber, such as an aroma pad or an aroma capsule, cannot fall out towards the inside and / or the outside of the drinking bottle when closed with the closing part, on the one hand, and does not come into contact with external substances (dirt, water), on the other hand. Closing the aroma chamber with the closing part can be advantageous, for example, for filling drinking liquid into the container, so that objects located in the aroma chamber do not come into contact with the drinking liquid. Preferably, when drinking liquid is introduced, the aroma part is removed or removed from the bottle. Furthermore, when the aroma part is installed, a drinking of pure drinking liquid (without aroma) can be ensured when the aroma chamber is closed with the closing part, because in this state no aroma can flow to the mouth end.The aroma transport adjusting element can be set by a user, i.e. moved between the blocking position and the opening position. It can be provided that the aroma transport adjusting element can be locked, i.e. fixed, in the respective positions, so that a movement of the aroma transport adjusting element out of this position (without the user being used) is prevented.The container for drinking liquid can be made of plastic or metal. The container can be manufactured from a plurality of material layers, which can each be manufactured from metal or plastic. The container can be rigid, i.e. rigid. However, it can be provided that the container is (at least partially) made of a flexible material. The container can have an outer housing, for example made of a rigid material (so-called hardcase).The mouthpiece is provided for the purpose that a user attaches his mouth or his lips to the mouthpiece during drinking. The mouthpiece may be arranged on the container. The mouthpiece can be formed integrally on the container. The mouthpiece may be made of the same material as the container or the lid. The mouthpiece can be made of plastic, metal, glass or a glass ceramic.The drinking liquid can be, for example, a taste-neutral, drinkable liquid. The drinking liquid can be water, for example. The drinking liquid can contain carbonic acid, but the drinking liquid can likewise also be present without carbonic acid. The drinking liquid can have any temperature as long as the drinking liquid is liquid. For example, the drinking liquid can have a temperature above its freezing point. The drinking liquid can be cooled, for example at a temperature of 0° C. to 15° C., or at a temperature of >15° C. The drinking liquid can also be present hot, for example at a temperature of > 60° C. or at a temperature close to the boiling point of the drinking liquid. The drinking bottle can comprise an insulating material, with which the temperature of the drinking liquid can be kept constant for a certain period of time or the heating or cooling process of which can be at least slowed down. The drinking liquid may comprise ice or other cooling agents. The drinking liquid can have a taste which is enhanced or (specifically) modified by the aroma entering the oral pharyngeal cavity during retronasal drinking.A drinking liquid transport channel can extend at least partially vertically through a container interior of the container. By "vertical extension" it can be meant that the drinking liquid transport channel extends at least in sections perpendicularly or substantially perpendicularly to the drinking bottle base. This can mean that at least a section of the drinking liquid transport channel runs parallel or almost parallel to a drinking bottle longitudinal axis. The drinking liquid transport channel can, however, also extend through the container interior in a course deviating from a vertical course, for example at least in sections at an angle to the longitudinal axis of the drinking bottle (i.e. not parallel). The drinking liquid transport channel can also run helically, spirally or in a zigzag shape. Furthermore, drinking liquid can be transported vertically upward (in the direction of the mouthpiece) from the container bottom. The drinking liquid transport channel has two ends (with openings), one end of the drinking liquid transport channel being arranged at the mouth end of the mouthpiece and one end in the container interior. The drinking liquid transport channel is bounded by a channel wall. The drinking liquid transport channel can have a tube shape, e.g. with a cylindrical or polygonal cross section. The channel wall of the drinking liquid transport channel can be made of plastic, metal or glass.The drinking liquid transport channel can be formed in particular from plastic, glass, metal or another suitable material. The drinking liquid transport channel can be designed in the manner of a straw.The drinking liquid transport channel can be detachably fastened to the drinking bottle, but can nevertheless also be arranged non-detachably (in particular in one piece) on the drinking bottle. A detachable fastening can be advantageous in order to be able to clean the drinking liquid transport channel in a simple manner. Furthermore, the drinking liquid transport channel can be concertina-like or otherwise foldable, so that it can be folded in size. This can be advantageous in particular when removing the drinking liquid transport channel for cleaning. The detachable fastening or the concertina-like or other foldability can also apply only to a section of the drinking liquid transport channel.A flavoring chamber can be understood to mean a chamber or a space in which a flavoring agent is arranged. When air flows through the aroma chamber, the aroma substance can be carried along (dragged along) by the air. The flavoring agent can be incorporated in a carrier material. The support material may be formed from a natural fabric, textile fabric, plastic, metal, ceramic, nonwoven, pulp, cellulose, paper, cardboard, paper-like or other materials. Carrier materials made from such materials can be considered to be particularly durable. It can be provided that the carrier material is reusable, i.e. it can be repeatedly impregnated with flavoring agent. The flavoring agent can be incorporated as a solid, as a liquid, as a gas or molecularly in the carrier material. The carrier material can be impregnated in the flavoring agent. The flavouring or carrier material with flavouring may be arranged in a flavour pad, the flavour pad being accommodated in the flavour chamber. The drinking bottle can have a device with which the aroma pad can be opened by a user.If the drinking liquid transport channel and the aroma transport channel both extend as far as the mouth end of the mouthpiece, this can lead to a particularly intensive taste perception, since aroma and drinking liquid mix only in the oral pharyngeal cavity. The concentration of the aroma can thereby be increased in the aroma-drinking liquid mixture. Furthermore, flavor losses due to such an arrangement of the drinking liquid transport channel and the flavor transport channel can be minimized.The invention further relates to a use of a drinking bottle designed according to the invention for horizontal drinking. Horizontal drinking means that the drinking liquid transport channel and the aroma transport channel are arranged parallel in the region of the mouth end of the mouthpiece of the drinking bottle, and extend horizontally to the mouth of a drinking person. This makes it possible to avoid the drinking person, i.e. a user of the drinking bottle, having to hold the drinking bottle at an uncomfortable angle in order to be able to drink therefrom.Further embodiments and features of the invention are specified in the dependent claims. The embodiments and features specified in the dependent claims will be described below together with further embodiments and features.According to a first embodiment of a drinking bottle according to the invention, it can be provided that in the open position of the aroma transport adjusting element air can flow from the outside of the drinking bottle into the aroma chamber and, starting from the aroma chamber, with entrainment of aroma into the aroma transport channel as far as the drinking liquid transport channel or as far as the mouth end of the mouthpiece.If a flavoring agent is present in the flavoring chamber, air can flow into the flavoring chamber in the open position, and carry along or "carry along" the flavoring agent. When flowing into or through the aroma chamber, the air is thus aromatized or enriched with the aroma substance. Thus, the air enriched with the flavoring agent can be transported via the flavoring transport channel as far as the drinking liquid transport channel or as far as the mouth end of the mouthpiece. In order to generate a flow of air from the outside of the drinking bottles into the aroma chamber, then from the aroma chamber into the aroma transport channel as far as the drinking liquid transport channel or as far as the mouth end of the mouthpiece, a user must generate an air suction (also air draw) or a vacuum with the mouth on the mouthpiece. This can be done by suction at the mouthpiece with the mouth. As a result of the air suction or the generated air flow, molecules or particles of the flavoring agent are distributed in the air and are entrained by the latter as transport medium. If the air enriched with the flavouring agent is intended to flow into the drinking liquid transport channel, a drinking liquid-air-flavouring agent mixture enters the oral pharyngeal cavity of a user from the drinking liquid transport channel. There, the drinking liquid (usually water) is associated with a taste associated with the flavoring substance on the basis of the retronasal perception principle. If the air enriched with the flavoring agent flows as far as the mouth end of the mouthpiece, the drinking liquid from the drinking liquid transport channel and the air enriched with the flavoring agent from the flavoring transport channel each enter the mouth of the user separately and taken by themselves. Only there is optionally mixing of drinking liquid and air enriched with flavouring agent.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the container has a container base, a container wall and a container opening opposite the container base and closable by a container lid, wherein the container has a container interior space which is bounded by the container base and the container wall. Via the container opening, when the container lid is not placed, drinking liquid can be introduced into the container. The container cover can be releasably placed on the container and fastened thereto. The container can have a cylindrical basic geometry, for example. In this case, the container wall forms a cylinder jacket, wherein the container bottom is a cylinder bottom. A container having such a shape can be manufactured particularly easily. Furthermore, the container can also have another basic geometry, e.g. polygonal (quadrilateral, pentagonal, hexagonal, etc.). The basic geometry can be cylindrical with dimples / corrugations / ribs, etc. The container may have a variety of designs. The container may comprise a rigid housing, and for example a hardcase. The container may be formed from multiple layers.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the aroma chamber is formed in the container wall. The aroma chamber can thus be formed directly in the wall material. This allows the aroma chamber to be cleaned directly during cleaning of the container, for example in the dishwasher. From the manufacturing standpoint, the aroma chamber can be formed in the container in a relatively simple manner, for example it can be formed directly during the production of the container, for example during injection molding, or subsequent to the production of the container, for example by mechanical post-processing (for example milling, drilling or punching). The aroma chamber can have the shape of a cylinder, for example, but also have a polygonal contour. The aroma chamber is preferably arranged in a stationary manner, i.e. fixed in position.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the drinking bottle has a plurality of aroma chambers, wherein the plurality of aroma chambers are formed in the container wall. The plurality of aroma chambers may be formed directly in the wall material. The provision of a plurality of aroma chambers enables the arrangement of aroma substances, for example aroma substances of different odours / flavour, in the aroma chambers. Aroma pads can be arranged in the aroma chambers, wherein the aroma pads can relate to different odour / flavour directions. It can be provided to provide a storage compartment for aroma pads on the container, for example below the container base or in the container cover. It can also be provided that-provided a plurality of aroma chambers are provided-aroma substances of different manufacturers or brands are arranged.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the aroma chamber or the plurality of aroma chambers is / are formed in particular in a wall section of the container wall adjacent to the container opening. In this case, the plurality of aroma chambers can be arranged on a common (identical) vertical level with respect to a vertical axis of the drinking bottle, i.e. the aroma chambers are arranged at the same height. If the container wall is designed, for example, in the form of a cylindrical jacket, the plurality of aroma chambers can be arranged on said common (same vertical level), that is to say at the same height, in a circumferential manner in the wall designed as a cylindrical jacket. In this case, the plurality of aroma chambers can be arranged at a regular, i.e. equal distance from an adjacent aroma chamber. This may mean that the distance between adjacent aroma chambers is constant. The aroma chambers can be arranged at a distance from an upper edge of the container.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the aroma transport adjusting element is formed by a channel section of the aroma transport channel, wherein the channel section is movable from a first channel section position, in which the channel section does not form part of the aroma transport channel or is not fluidically connected to the aroma chamber (the flow connection between aroma chamber and channel section is interrupted), into a second channel section position, in which the channel section forms part of the aroma transport channel or is fluidically connected to the aroma chamber (the flow connection between aroma chamber and channel section is not interrupted), and vice versa. In this case, the channel section can form the blocking position of the aroma transport actuating element in the first channel section position, and wherein the channel section can form the open position of the aroma transport actuating element in the second channel section position. The fact that the channel section in the first channel section position does not form part of the aroma transport channel means that no aromatized air can flow through the aroma transport channel. This is because the channel section (and thus the aroma transport channel) is not connected to the aroma chamber. The channel portion can form a part of the aroma transport channel in the second channel portion position. This means that flavoured air can flow through the flavour transport channel, since the channel section (and thus the flavour transport channel) is connected to the flavour chamber in this position. In this position, flavoured air can flow through the channel portion as well as the flavour transport channel. The channel section, provided it adjoins the aroma chamber, can thus provide a flow connection between the aroma chamber and the remaining aroma transport channel in this position. In the first channel portion position, the channel portion is in a position where the channel portion is not in flow communication with the flavor chamber and the remaining flavor transport channel. For example, the channel section can be twisted relative to the aroma transport channel.With respect to the flow direction of air, the channel section can be formed between the aroma chamber and the mouth end or between the aroma chamber and the drinking liquid transport channel, but in particular directly adjacent to the aroma chamber. In this case, the channel section can extend from the cover outside radially in the direction of the cover center. In this direction, the channel portion may taper conically to provide improved aroma conduction. The channel section thus preferably runs perpendicular to a central lid vertical axis (an imaginary axis which adjoins a container vertical axis in alignment, wherein both axes form a drinking bottle vertical axis, wherein the drinking bottle vertical axis runs centered along the longest extension of the drinking bottle). By rotating the aroma part, a radially outer opening of the channel section can be brought into register with an aroma chamber or can be fluidically connected thereto. If a plurality of aroma chambers are provided, the radially outer opening of the channel section can be brought into register with the respective aroma chambers by rotating the cover or can be connected thereto in terms of flow. The radially outer opening of the channel portion can also be brought into a non-covering position with the aroma chambers by rotating the aroma part, for example by the radially outer opening of the channel portion lying between the aroma chambers. This would correspond to the first channel section position. In the region of the central vertical axis of the lid, the channel section can bend vertically downwards (i.e. in the direction of the container bottom) and open into a positionally fixed (non-rotatable), for example substantially horizontally extending, further channel section. The further channel section extends as far as the mouth end of the mouthpiece or opens into the liquid transport channel. In the first channel section position as well as in the second channel section position, the aroma part can be locked. The aroma part can be rotatably mounted on the container or on one or more further parts associated with the multipart cover.The rotatable mounting of the aroma part (as well as other rotatably mounted parts of the multipart container lid) can be designed in the form of a slide bearing or roller bearing, in particular in the form of a ball bearing. With such a pivot bearing, a simple change of position of the aroma part and thus of the channel section with respect to the first and second channel section position can take place. This can be done by rotating the aroma part. For this purpose, the surface of the cover or of the inner cover part can have one or more profiled surface sections, so that easier handling for a user is made possible and slipping off is avoided.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the closing part has a closing part body which is of disc-shaped design, wherein the closing part body has a central, preferably circular, recess, wherein the aroma part can be received in the recess. The closure part and aroma part are preferably made of plastic. The rotatable mounting of the aroma part can be arranged on a cross web between the container wall, in which a further (horizontally extending) channel section of the aroma transport channel is moreover formed. The further channel section is in flow connection with the channel section. For this purpose, the aroma part can have a bearing receptacle on its underside, which receives a bearing flange of the transverse web. Furthermore, in the assembled state of the multipart cover, the aroma part can be mounted rotatably with respect to the closing part.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the closing part body is adjoined by an inner circumferential collar and an outer circumferential collar radially spaced apart therefrom, wherein the inner circumferential collar and the outer circumferential collar form an annular groove, wherein the closing part can be placed with the annular groove on an upper edge of the wall section of the container wall, namely in such a way that the closing part is mounted on the container wall in the manner of a rotary rail. The closing part is thus mounted rotatably with respect to the container wall.According to a further embodiment of a drinking bottle according to the invention, it can be provided that an inner through opening is formed on the inner circumferential collar, and an outer through opening is formed on the outer circumferential collar, wherein the through openings are arranged aligned with one another in the radial direction, and wherein the through openings can be positioned by rotating the closing part relative to the aroma part in such a way that they are arranged in alignment with the aroma chamber or offset from the aroma chamber.According to a further embodiment of a drinking bottle according to the invention, it can be provided that a hook is arranged on the upper edge of the wall section of the container wall, wherein the hook, when the closing part is placed on the upper edge of the wall section of the container wall, protrudes through an opening, in particular an elongated hole opening in the closing part body. It is also possible to provide a plurality of hooks and openings, in particular two or three in each case.According to a further embodiment of a drinking bottle according to the invention, it can be provided that an ejector is arranged in the aroma part, which ejector is optionally spring-biased, and which ejector can be arranged by rotating the aroma part in alignment with the aroma chamber, wherein, upon pressure actuation of a button operatively coupled to the ejector, the ejector accelerates (i.e. is moved) in the direction of the aroma chamber, engages at least partially in the aroma chamber and presses an aroma container located in the aroma chamber in the direction towards the outside of the drinking bottle. The button can be designed in the manner of a pushbutton.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the container lid comprises a securing end part, wherein the securing end part can be arranged in such a way that the aroma part and the closing part are arranged between the upper edge of the wall section of the container wall and the securing end part and are axially secured by the securing end part, wherein the axial securing is ensured by engagement of the hook into an engagement opening formed in the securing end part, in particular a bayonet opening. Such a non-return valve opens during drinking, so that in this case flavoured air can flow through the aroma transport channel in the direction of the mouth end of the mouthpiece or in the direction of the drinking liquid transport channel. When the drinking process is ended, the check valve returns to a closed position and prevents, for example, a desired entry of liquid (e.g. saliva) into the aroma transport channel. The check valve can have, for example, a movably mounted ball as a valve body. During drinking, the ball moves, due to a suction force acting on the ball, into a position in which air can flow past the ball. When the drinking process ends, the ball blocks the air flow in the aroma transport channel. Such a non-return valve can additionally or alternatively also be arranged in the drinking liquid transport channel.According to a further embodiment of a drinking bottle according to the invention, a pressure compensation device provided for pressure compensation in the container interior during drinking can be provided. During drinking, a negative pressure is produced in the container for drinking liquid due to the sucking in of the drinking liquid. The pressure compensation device can counteract the negative pressure during drinking or prevent / reduce the generation of a vacuum. This can make the drinking more comfortable for a user, since he has to use less suction force when sucking in the drinking liquid and air and does not have to "combat" the negative pressure which arises in the container.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the pressure compensation device is a pressure compensation line running from the outside of the drinking bottle into the interior of the container. The pressure compensation conduit may be a channel (e.g., an air channel). The pressure compensation line can be formed in the container wall, preferably in the upper region of the container wall. The pressure compensation line can be formed in the cover. The pressure compensation line can be formed in the region of the mouthpiece (in particular when forming a mouthpiece formed integrally with the container wall or a mouthpiece which can be fastened to the container wall), and thereby run through the container wall and the mouthpiece. The pressure compensation line can be siphon-like, labyrinth-like or zigzag-like in order to prevent or minimize the escape of drinking liquid through the pressure compensation line. The pressure compensation line can be a capillary.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the pressure compensation line has a pressure compensation valve. The pressure compensation valve can open during drinking, while it is closed during a non-taking drinking process. The pressure compensation valve can be designed in such a way that it opens due to the negative pressure produced in the container during drinking and closes when the negative pressure is not present.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the pressure compensation device is formed by a component delimiting the container interior or by a plurality of components delimiting the container interior, which is or are manufactured from a reversibly deformable material. A reversibly deformable material can be brought from a starting position into a deformed position and can return from this deformed position back into the starting position. In the present case, this means that, when drinking, i.e. when negative pressure is generated in the container, the component delimiting the container interior or the components delimiting the container interior is / are preferably deformed in the direction of the container interior. During drinking, the volume of the container interior is thus reduced by deforming the component delimiting the container interior or the components delimiting the container interior. After completion of the drinking process, the component delimiting the container interior or the components delimiting the container interior moves back into its / their starting position, wherein the volume of the container interior is again increased. The deformable material is reversible, i.e. it can be deformed multiple times (without damage). The reversibly deformable material can be an elastic material. The reversibly deformable material can be, in particular, plastic, a textile material, a rubber or rubber-like material, silicone or another suitable material. The reversibly deformable material can be, in particular, a compressible and expandable material.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the component delimiting the container interior is the container base, the container wall, a section of the container base, and / or a section of the container wall. As is evident from the "and / or" linkage, only one of the aforementioned components (e.g. only the container base, only the container wall, only a portion of the container base, or only a portion of the container wall) can form the component delimiting the container interior (made of a reversibly deformable material). However, a plurality of the aforementioned components can also provide the plurality of components delimiting the container interior. It can be provided, for example, that several sections of the container wall and / or of the container bottom are made of a reversibly deformable material. The container cover can also be made of a reversibly deformable material or can have a section of a reversibly deformable material. Thus, the container cover can also additionally or alternatively provide a component of reversibly deformable material delimiting the container interior.According to a further embodiment of a drinking bottle according to the invention, it can be provided that the component delimiting the container interior is formed by a material layer of the reversibly deformable material adjoining the container bottom and / or the container wall in the container interior. The material layer can be fastened to the container wall, e.g. injection-molded onto the latter by injection molding or vulcanized onto the latter. The component delimiting the container interior can also be an inner chamber or inner container. In the case of the formation of an inner chamber or an inner container, the drinking liquid transport channel preferably extends into the inner chamber or the inner container. The inner chamber or the inner container made of reversibly deformable material can be connected firmly, i.e. firmly bonded to the container (e.g. injection-molded or vulcanized), but can also be connected detachably to the latter (e.g. by positive locking, frictional locking or suitable fastening means). A detachable connection can have advantages, since the inner chamber or the inner container can thus be cleaned or exchanged independently of the container.As already mentioned, an inner container can be arranged in the container interior. The inner container can be designed to hold the drinking liquid. The inner container can be a bag made of a reversibly deformable material, that is to say can be compressed and then expand again. The inner container or bag can be fastened by an upper end to a wall, for example an inner jacket of the container. The fastening can be releasable or non-releasable.In a further embodiment of a drinking bottle according to the invention, it can be provided that a section of the aroma transport channel adjoining the aroma chamber, which section can in particular be a section of the channel section, is designed to taper conically starting from the aroma chamber, e.g. in the manner of a funnel. This can be advantageous for the most efficient possible flow of aroma flowing from the aroma chamber into the aroma transport channel. Adjacent to the aroma chamber, the subsection can have the same or approximately the same diameter as the aroma chamber. Starting from the aroma chamber, the diameter of the subsection decreases due to its conically tapering shape.Further embodiments of the invention are specified in the figures and in the following description of the figures. The figures show: FIG. 1 shows a schematic side view of a drinking bottle according to a first exemplary embodiment of the invention; FIG. 2 is a perspective view of the drinking bottle according to FIG. 1 ; FIG. 3 shows a schematic sectional view of the drinking bottle according to FIG. 1 ; FIG. 4 shows a schematic illustration of a change of position of a channel section of a aroma transport channel in relation to an aroma chamber; FIG. 5 shows a schematic illustration of a pressure compensation line in a drinking bottle according to the first exemplary embodiment of the invention; FIG. 6 shows a schematic sectional view of an inner cover part of a container cover of the drinking bottle according to FIG. 5 ; FIG. 7 shows a schematic illustration of an alternative pressure compensation line in a drinking bottle according to the first exemplary embodiment of the invention; FIGS. 8 to 10 are views showing pressure compensating means in a drinking bottle according to the first embodiment of the invention; FIG. 11 shows a representation of a storage compartment for aroma pads formed in the inner cover part of a container cover of the drinking bottle according to the first exemplary embodiment in a closed position; FIG. 12 is a view of the storage compartment according to FIG. 11 in an open position; FIG. 13 shows a detailed illustration of an alternative embodiment of an aroma transport channel for a drinking bottle according to the first exemplary embodiment of the invention; FIG. 14 shows a representation of the components of the drinking bottle according to a second exemplary embodiment of the invention in a frog view; FIG. 15 shows a representation of the components of the drinking bottle according to the second exemplary embodiment of the invention in a bird's eye view; FIGS. 16-21 show detailed views of the multi-part container cover; and FIG. 22 shows a detailed view of a spring-biased ejector and button as components of the aroma part.All figures relate to a drinking bottle 1 according to the invention or to embodiments thereof. It should be expressly mentioned that the features described in the figures and in the description of the figures here can be developments of the features and combinations of features specified in the claims.According to the invention, the drinking bottle 1 comprises a container 2 for drinking liquid, a mouthpiece 3, a drinking liquid transport channel 4 which extends from a mouth end 5 of the mouthpiece 3 as far as into the container 2, an aroma chamber 6 for receiving an aroma substance, and an aroma transport channel 7 for transporting air enriched with the aroma substance, i.e. aromatized air, wherein the aroma transport channel 7 extends from the aroma chamber 6 as far as the drinking liquid transport channel 4 (cf. the exemplary embodiment according to FIGS. 13 to 17 ) or as far as the mouth end 5 of the mouthpiece 3 (cf. the exemplary embodiment according to FIGS. 1 to 12 ). The drinking bottle 1 has an aroma transport adjusting element which can assume a blocking position in which transport of aromatized air through the aroma transport channel 7 is prevented, and which can assume an open position in which transport of aromatized air through the aroma transport channel 7 is made possible.In the open position of the aroma transport adjusting element, air can flow from the outside 8 of the drinking bottle (i.e. from the outside environment of the drinking bottle 1) into the aroma chamber 6 and, starting from the aroma chamber 6, with entrainment of aroma into the aroma transport channel 7 as far as the drinking liquid transport channel 4 or as far as the mouth end 5 of the mouthpiece 3. For this purpose, the aroma chamber 6 has an inlet opening for air facing the outside 8 of the drinking bottle. In addition, the aroma chamber 6 has an air outlet opening facing the aroma transport channel 7.In all the exemplary embodiments shown, the container 2 has a container base 9, a container wall 10 and a container opening 12 which is situated opposite the container base 9 and can be closed by a container lid 11, wherein the container 2 has a container interior 13 which is bounded by the container base 9 and the container wall 10. The exemplary embodiments shown show a drinking bottle 1 with a container 2 in cylindrical form. The container wall 10 is thus a container jacket. A drinking liquid is introduced into the container interior 13 via the container opening 12 or emptied therefrom.FIGS. 1 to 12 relate to a construction or an embodiment of a drinking bottle 1, in which a plurality of aroma chambers 6 are formed directly in a container wall 10. The aroma chambers 6 are fixed in position, i.e. cannot be moved, in this exemplary embodiment. The aroma chambers 6 are distributed over the periphery of the container wall 10 (cf. FIGS. 1 and 2 ). The aroma chambers 6 are formed in a wall section 14 of the container wall 10 adjacent to the container opening 12.The aforementioned aroma transport positioning element is formed in this exemplary embodiment by a channel section 15 of the aroma transport channel 7, wherein the channel section 15 is movable from a first channel section position A (FIG. 4 top), in which the channel section 15 does not form part of the aroma transport channel 7 (there is no aroma transport channel 7 since the connection to the aroma chamber 6 is interrupted), into a second channel section position B (FIG. 4 bottom), in which the channel section 15 forms part of the aroma transport channel 7 (the aroma chamber 6 is connected to the aroma transport channel 7), and vice versa, wherein the channel section 15 forms the blocking position of the aroma transport positioning element in the first channel section position A, and wherein the channel section 15 in the second channel section position B forms the open position of the aroma transport actuating element.As shown in Figs. 1 and 2, the mouthpiece 3 is arranged on the container wall 10. As can be seen in FIG. 2, the aroma transport channel 7 and the drinking liquid transport channel 4 end at the mouth end 5 of the mouthpiece 3. In the mouthpiece 3, the aroma transport channel 7 thus runs at least in sections parallel to the drinking liquid transport channel 4.FIG. 3 shows the construction of the drinking bottle from the inside. The channel section 15 is arranged in the container lid 11, wherein the container lid 11 is rotatably mounted, and wherein by rotating the container lid 11 the channel section 15 is movable from the first channel section position A into the second channel section position B and vice versa. The rotatable mounting of the container cover is realized in a ball bearing 22. The container cover 11 is formed in two parts, wherein an outer cover part 23 is formed in the manner of an annular perforated disk with a central opening 24, wherein the outer cover part 23 can be arranged in a positionally fixed manner on an upper edge 25 (cf. FIG. 7 ) of the container wall 10 surrounding the container opening 12. An inner cover part 26 is positioned in the central opening 24 of the outer cover part 23 and is rotatably supported on the outer cover part 23. The channel section 15 is arranged or formed in the inner cover part 26. The course of the channel section 15 is shown in FIG. 3. The radially outer opening 27 of the channel section 15 is arranged at the level of the aroma chamber 6.With respect to a flow direction of air running from the aroma chamber 6 in the direction of the mouth end 5 of the mouthpiece 3, the channel section 15 is formed between the aroma chamber 6 and the mouth end 5. The channel section 15 extends from the cover outside radially in the direction of the cover center. The channel section 15 extends perpendicular to a central lid vertical axis DA (an imaginary axis which adjoins a container vertical axis TA in alignment, wherein both axes DA and TA form a drinking bottle vertical axis, wherein the drinking bottle vertical axis extends centered along the longest extension of the drinking bottle 1). By rotating the inner cover part 26, the radially outer opening 27 of the channel section 15 is brought into register with the aroma chamber 6 or is connected thereto in terms of flow. If a plurality of aroma chambers 6 are provided, the radially outer opening 27 of the channel section 15 can be brought into alignment with the respective aroma chambers 6 by rotating the inner cover part 26 or can be connected thereto in terms of flow. The radially outer opening 27 of the channel portion 15 can also be brought into a non-covering position with the aroma chambers 6 by rotating the inner cover part 26, for example by positioning the radially outer opening 27 of the channel portion 15 between two aroma chambers 6. This would correspond to the first channel section position A. In the region of the central vertical axis DA of the cover, the channel section 15 can bend vertically downwards (i.e. in the direction of the container base 9) and open into a further channel section 28 which is fixed in position (non-rotatable), for example running substantially horizontally. The opening region is marked in FIG. 3 with a dashed line 29. The further channel section 28 extends as far as the mouth end 5 of the mouthpiece 3.The drinking bottle 1 also has a pressure compensation device provided for pressure compensation in the container interior 13 during drinking. Variants of such a pressure compensation device are shown in FIGS. 5 to 12 with reference to the first exemplary embodiment of a drinking bottle. These pressure compensation devices can also be transferred to a drinking bottle according to the second exemplary embodiment (FIGS. 13 to 17 ).The pressure compensation device can be a pressure compensation line 18 running from the outside 8 of the drinking bottle into the container interior 13. As shown in FIGS. 5 and 6, the pressure compensation pipe 18 may be formed in the inner cover part 26. FIG. 7 shows a variant in which the pressure compensation line 18 is formed in the container wall 10 (below the mouthpiece 3). The mouthpiece 3 can be closed with a cap 31, wherein the cap 31 has a mouth opening 32 for covering the pressure compensation line 18.FIGS. 8 to 10 relate to embodiments in which the pressure compensation device is formed by a component delimiting the container interior 13, which component is manufactured from a reversibly deformable material. The mode of operation of such a component has been explained in detail at the beginning. The core function is to be given to a negative pressure which is produced during drinking in the container interior 13 and deformed (to reduce the volume of the container interior 13) and, after the drinking has ended, to move back into the starting position again.In the example according to FIG. 9, the component made of the reversibly deformable material delimiting the container interior 13 is a section 20 of the container wall 10, in the example according to FIG. 10 a section 19 of the container base 9.FIG. 8 shows an example in which the component of the reversibly deformable material delimiting the container interior 13 is formed by a material layer 21 of the reversibly deformable material adjoining the container wall 10 in the container interior 13.As shown in FIGS. 11 and 12, a storage compartment 33 for aroma pads can be provided in the container cover 11, namely in the inner cover part 26, which storage compartment can be closed by a flap 34. The flap 34 can be pivotably mounted.In an alternative embodiment, in the case of a drinking bottle 1 according to the first exemplary embodiment, a subsection 40 of the aroma transport channel 7 adjoining the aroma chamber 6, which subsection is in particular a subsection 40 of the channel section 15, is formed such that it tapers conically starting from the aroma chamber 6, for example in the manner of a funnel. This is illustrated in Figure 13.FIGS. 14 to 22 refer to a second exemplary embodiment of a drinking bottle according to the invention, wherein the structure of the multi-part container lid 11 is explained in more detail with reference to this exemplary embodiment.The channel section 15 is arranged in the multi-part container lid 11, namely in an aroma part 101 of the container lid 11, wherein the aroma part 101 is rotatably mounted, and wherein by rotating the aroma part 101 the channel section 15 is movable from the first A into the second channel section position B and vice versa, and that the container lid 11 also has a closing part 102, wherein the aroma chamber 6 can be closed by means of the closing part 102, in particular by rotating the closing part 102 relative to the aroma part 101, towards the inside of the drinking bottle and / or towards the outside of the drinking bottle.The closing part 102 has a closing part body 103 which is of disc-shaped design, wherein the closing part body 103 has a central, preferably circular, recess 104, wherein the aroma part 101 can be received in the recess 104.The closing part body 103 is adjoined by an inner circumferential collar 105 and an outer circumferential collar 106 spaced radially therefrom, wherein the inner circumferential collar 105 and the outer circumferential collar 106 form an annular groove 107, wherein the closing part 102 can be placed with the annular groove 107 on an upper edge 108 of the wall section 14 of the container wall 10, namely in such a way that the closing part 102 is mounted on the container wall 10 in the manner of a pivot rail.An inner through opening 109 is formed on the inner circumferential collar 105, and an outer through opening 110 is formed on the outer circumferential collar 106, wherein the through openings 109, 110 are arranged aligned with one another in the radial direction, and wherein the through openings 109, 110 can be positioned by rotating the closing part 102 with respect to the aroma part 101 in such a way that they are arranged in alignment with the aroma chamber 6 or offset with respect to the aroma chamber 6.A hook 111 is arranged on the upper edge 108 of the wall section 14 of the container wall 10, wherein the hook 111 projects through an opening 112, in particular an elongated hole opening in the closing part body 103, when the closing part 102 is placed on the upper edge 108 of the wall section 14 of the container wall 10.An ejector 113 is arranged in the aroma part 101, which ejector is optionally spring-biased and which can be arranged by rotating the aroma part 101 in alignment with the aroma chamber 6, wherein, when a button 114 operatively coupled to the ejector 113 is actuated in the pressing direction, the ejector 113 accelerates in the direction of the aroma chamber 6, engages at least partially in the aroma chamber 6 and presses an aroma container located in the aroma chamber 6 in the direction of the outer drinking bottle.The container lid 11 comprises a securing end part 115, wherein the securing end part 115 can be arranged in such a way that the aroma part 101 and the closing part 102 are arranged between the upper edge 108 of the wall section 14 of the container wall 10 and the securing end part 115 and are axially secured by the securing end part 115, wherein the axial securing is ensured by engagement of the hook 111 in an engagement opening 116, in particular a bayonet opening, formed in the securing end part 115.As illustrated in FIG. 22 on the basis of a view of the aroma part 101 from below, the ejector 113 is supported by two spring-elastic brackets 117 on a wall 119 of the aroma part 101. The button 114 is also spring-biased and can be pressed downward against the pressure of the spring 118.FIG. 14 shows the components of the drinking bottle according to the second exemplary embodiment in a frog view. Figure 15 shows the components in a bird's eye view. The parts of the multi-part container lid 11 are shown. The container lid 11 is formed from the closing part 102, the aroma part 101 and the securing end part 115. It is also shown that the container 2 has an inner container 100 in the form of a pouch. The inner container 100 is surrounded by an outer container 120, for example a hard shell housing. In FIGS. 14 and 15, the outer container is shown in two parts, which, however, are firmly connected to one another by production technology, for example by adhesive bonding or plastic welding. That container part 121 on which the mouthpiece 3 is formed is also firmly connected to the outer container 120. The wall section 14 is likewise a constituent part of the container 2 and is likewise firmly connected thereto, preferably on the container part 121.FIG. 16 is a diagram in which the flavor part 101 is not inserted. The closing part 102 is in a position in which the aroma chamber 6 is not closed. The through openings 109, 110 are arranged in register with the aroma chamber 6, so that, for example, an aroma pad can be inserted into the aroma chamber 6 without problems. FIG. 17 shows the same position of the closing part 102, but in this illustration the aroma part 101 is inserted. The channel section 15 is in flow communication with the aroma chamber 6.In FIG. 18, the closing part 102 is in a closed position, i.e. the aroma chamber 6 is closed towards the outside of the drinking bottle and towards the inside of the drinking bottle. In this position, the aroma chamber 6 cannot be filled. The through openings 109, 110 are arranged offset with respect to the aroma chamber 6. The aroma part 101 is not inserted, so that the container 2 can be filled with drinking liquid from above, wherein the risk of objects located in the aroma chamber 6, such as aroma pads, coming into contact with water is avoided in this case.In FIG. 19, the position of the closing part 102 is analogous to FIG. 19, but the aroma part 101 is inserted. This position can be regarded as a transport position, i.e. although no drinking of flavoured drinking liquid is possible, the bottle can be transported without problems without drinking liquid passing into the aroma chamber 6. In this position, drinking liquid without aroma can also be drunk.FIGS. 20 and 21 illustrate the ejection of a aroma pad from the aroma chamber 6. an ejector 113 is arranged in the aroma part 101 for this purpose, which ejector can be arranged by rotating the aroma part 101 in alignment with the aroma chamber 6 (FIGS. 20, 21 ), wherein, upon pressure actuation of a button 114 operatively coupled to the ejector 113, the ejector 113 is moved in the direction of the aroma chamber 6, engages at least partially in the aroma chamber 6 (FIG. 21 ) and presses an aroma container 123 (e.g. an aroma pad) located in the aroma chamber 6 in the direction of the drinking bottle exterior. The button 114 slides off over an inclined surface 122 (running surface) of the ejector 113.List of reference characters1 Drinking bottle 2 Container 3 Mouthpiece 4 Drinking liquid transport channel 5 Mouth end 6 Aroma chamber 7 Aroma transport channel 8 Drinking bottle outer 9 Container base 10 Container wall 11 Container lid 12 Container opening 13 Container inner space 14 Wall section 15 Channel section 16 Non-return valve 17 Ball 18 Pressure compensation line 19 Section (container base) 20 Section (container wall) 21 Section (material layer) 22 Ball bearing 23 Outer lid part 24 Central opening 25 Edge 26 Inner lid part 27 Radially outer opening 28 Further channel section 29 Dashed line 30 Transverse web 31 Cap 32 Mouth opening 33 Storage compartment 34 Flap 40 Subsection 100 Inner container 101 Aroma part 102 Closing part 103 Closing part body 104 Recess 105 Inner circumferential collar 106 Outer Circumferential collar 107 Annular groove 108 Upper edge 109 Inner passage opening 110 Outer passage opening 111 Hook 112 Opening 113 Ejector 114 Button 115 Securing end part 116 Engagement opening 117 Spring-elastic clip 118 Spring 119 Wall 120 Outer container 121 Container part 122 Inclined surface 123 Aroma container A First channel section position B Second channel section position AA First wall section position when this happens? BB Second wall portion position DA Lid central vertical axis TA Container vertical axisReferences included in the specificationThis list of documents cited by the applicant has been produced in an automated manner and is only included for the better information of the reader. The list is not part of the German patent application or utility model application. The DPMA does not take any adhesion for any faults or omissions.Patent Literature citedEP 3 944 792 A1 [0004, 0005, 0006]WO 2019 / 016096 A1

[0005]

Claims

A drinking bottle (1) comprising - a container (2) for drinking liquid; - a mouthpiece (3), - a drinking liquid transport channel (4) which extends from a mouth end (5) of the mouthpiece (3) as far as into the container (2), - an aroma chamber (6) for receiving an aroma substance, and - an aroma transport channel (7) for transporting air enriched with the aroma substance, i.e. aromatized air, wherein the aroma transport channel (7) extends from the aroma chamber (6) as far as the drinking liquid transport channel (4) or as far as the mouth end (5) of the mouthpiece (3), - an aroma transport actuating element which can assume a blocking position in which transporting aromatized air through the aroma transport channel (7) is prevented and which can assume an open position, during the transport of aromatized air through the aroma transport channel (7), wherein the aroma transport adjusting element is formed by a channel section (15) of the aroma transport channel (7), wherein the channel section (15) is movable from a first channel section position (A), in which the channel section (15) is not fluidically connected to the aroma chamber (6), into a second channel section position (B), in which the channel section (15) is fluidically connected to the aroma chamber (6), and vice versa, characterized in that the channel section (15) is arranged in a container cover (11) of multi-part design, namely in an aroma part (101) of the container cover (11), wherein the aroma part (101) is rotatably mounted, and wherein, by rotating the aroma part (101), the channel section (15) can be moved from the first (A) into the second channel section position (B) and vice versa, and that the container lid (11) additionally has a closing part (102), wherein the aroma chamber (6) can be closed by means of the closing part (102), in particular by rotating the closing part (102) with respect to the aroma part (101), towards the inside and / or towards the outside of the drinking bottle.Drinking bottle (1) according to claim 1, characterised in that in the open position of the aroma transport adjusting element air can flow from the outside (8) of the drinking bottle into the aroma chamber (6) and starting from the aroma chamber (6) with entrainment of aroma into the aroma transport channel (7) as far as the drinking liquid transport channel (4) or as far as the mouth end (5) of the mouthpiece (3).Drinking bottle according to claim 1 or 2, characterised in that the container (2) has a container base (9), a container wall (10) and a container opening (12), which is opposite the container base (9) and can be closed by a container lid (11), wherein the container (2) has a container interior (13) which is bounded by the container base (9) and the container wall (10).Drinking bottle (1) according to claim 3, characterised in that the aroma chamber (6) is formed in the container wall (10).Drinking bottle (1) according to claim 3, characterised in that the drinking bottle (1) has a plurality of aroma chambers (6), wherein the plurality of aroma chambers (6) are formed in the container wall (10).Drinking bottle (1) according to claim 4 or 5, characterised in that the aroma chamber (6) or the plurality of aroma chambers (6) is / are formed in particular in a wall section (14) of the container wall (10) adjacent to the container opening (12).Drinking bottle (1) according to one of the preceding claims, characterized in that the closing part (102) has a closing part body (103) which is of disc-shaped design, wherein the closing part body (103) has a central, preferably circular, cutout (104), wherein the aroma part (101) can be accommodated in the cutout (104).Drinking bottle according to claim 7, characterised in that the closing part body (103) is adjoined by an inner circumferential collar (105) and an outer circumferential collar (106) spaced radially therefrom, wherein the inner circumferential collar (105) and the outer circumferential collar (106) form an annular groove (107), wherein the closing part (102) can be placed with the annular groove (107) on an upper edge (108) of the wall section (14) of the container wall (10), namely in such a way that the closing part (102) is mounted on the container wall (10) in the manner of a rotary rail.Drinking bottle (1) according to claim 8, characterised in that an inner through-opening (109) is formed on the inner circumferential collar (105), and in that an outer through-opening (110) is formed on the outer circumferential collar (106), wherein the through-openings (109, 110) are arranged aligned with one another in the radial direction, and wherein the through-openings (109, 110) can be positioned by rotating the closing part (102) with respect to the aroma part (101) in such a way that they are arranged in register with the aroma chamber (6) or offset with respect to the aroma chamber (6).Drinking bottle (1) according to one of the preceding claims, characterized in that a hook (111) is arranged on the upper edge (108) of the wall section (14) of the container wall (10), wherein the hook (111), when the closing part (102) is placed on the upper edge (108) of the wall section (14) of the container wall (10), protrudes through an opening (112), in particular an elongated hole opening in the closing part body (103).Drinking bottle (1) according to one of the preceding claims, characterized in that an ejector (113) is arranged in the aroma part (101), which ejector is optionally spring-prestressed, and which ejector can be arranged by rotating the aroma part (101) in alignment with the aroma chamber (6), wherein, when a button (114) operatively coupled to the ejector (113) is actuated in the pressure state, the ejector (113) accelerates in the direction of the aroma chamber (6), engages at least partially in the aroma chamber (6) and presses an aroma container (123) located in the aroma chamber (6) in the direction of the outside of the drinking bottle.Drinking bottle (1) according to one of the preceding claims, characterized in that the container lid (11) comprises a securing end part (115), wherein the securing end part (115) can be arranged in such a way that the aroma part (101) and the closing part (102) are arranged between the upper edge (108) of the wall section (14) of the container wall (10) and the securing end part (115) and are axially secured by the securing end part (115), wherein the axial securing is ensured by engagement of the hook (111) in an engagement opening (116), in particular a bayonet opening, formed in the securing end part (115).Drinking bottle (1) according to one of the preceding claims, characterized in that an inner container (100) provided for receiving the drinking liquid is arranged in the container interior (13), wherein the inner container (100) is formed from a reversibly deformable material.Drinking bottle according to claim 13, characterised in that the inner container (100) is a bag.Use of a drinking bottle according to one or more of Claims 1 to 14 for horizontal drinking.

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