WO2021176582A1 - Théière - Google Patents

Théière Download PDF

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Publication number
WO2021176582A1
WO2021176582A1 PCT/JP2020/009059 JP2020009059W WO2021176582A1 WO 2021176582 A1 WO2021176582 A1 WO 2021176582A1 JP 2020009059 W JP2020009059 W JP 2020009059W WO 2021176582 A1 WO2021176582 A1 WO 2021176582A1
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WO
WIPO (PCT)
Prior art keywords
temperature
time
water
heating
container
Prior art date
Application number
PCT/JP2020/009059
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English (en)
Japanese (ja)
Inventor
鶴藤　友義
Original Assignee
株式会社Ｉｐｍ研究社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｉｐｍ研究社 filed Critical 株式会社Ｉｐｍ研究社
Priority to PCT/JP2020/009059 priority Critical patent/WO2021176582A1/fr
Priority to JP2022504831A priority patent/JPWO2021176582A1/ja
Publication of WO2021176582A1 publication Critical patent/WO2021176582A1/fr

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    • 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
    • A47J31/18—Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container
    • 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

Definitions

  • the present invention relates to a teapot used for leaching an extract from various plant materials such as tea leaves (green tea, black tea, etc.), flowers, fruits, roots, etc. Regarding the teapot, which is capable of optimal extract leaching.
  • a teapot is known as a tool for brewing green tea as a plant material.
  • This teapot is made of materials such as pottery, porcelain, and iron. After adding tea leaves, boiled water is poured into an electric kettle, kettle, tea pot, etc., and the tea leaves are brewed by leaching the ingredients. be able to.
  • Patent Document 1 discloses a tea beverage extraction device provided with a heater for heating water and a mechanism for raising and lowering a tea leaf net in an extraction container.
  • Patent Document 2 describes a sensor that measures the temperature of water, a display unit that displays the temperature detected by the sensor, and a notification unit that inputs a set temperature and a set time of hot water and notifies when the set temperature or the set time is reached.
  • the configuration provided in the main body of the Kyusu itself is disclosed.
  • Patent Document 3 discloses a French press type tea leaf extraction device.
  • This tea leaf extraction device is configured to hold a food container containing tea leaves above the shell container in which water is heated, and preheats the tea leaves before extracting the tea leaf extract with the heated water. It is characterized by shortening the extraction time of tea leaves by steaming with.
  • the procedure for brewing tea with a teapot made of pottery has been generalized. That is, hot water of a constant temperature is poured into the storage part of the teapot, and a tea strainer or the like is inserted into the storage part to throw in tea leaves, or in a configuration in which a tea strainer is provided at the spout, the tea leaves are directly contained in the storage part. Is directly input.
  • the characteristics of tea leaves, the temperature of hot water, the leaching time, etc. are all controlled by human senses, and considerable skill is required to brew delicious tea, and people with low skill level are delicious. It is difficult to get the taste of tea.
  • the device for automatically brewing tea disclosed in Patent Document 1 described above sets a container containing water in a predetermined position, and automatically raises and lowers the tea leaf net containing tea leaves with respect to the opening of the container.
  • the structure is such that the tea is brewed by inserting / discharging it into the container, and the structure becomes complicated and large-scale, such as the need for an elevating mechanism for the tea leaf net. You can't get the feeling of brewing tea. That is, the structure and operation procedure of the device itself are complicated, and it is not a device for easily brewing delicious tea with a kyusu as in the past.
  • the teapot disclosed in Patent Document 2 described above includes a sensor that measures the temperature of water in the main body of the teapot that holds water and pours tea, a display unit that displays the temperature detected by this sensor, and a setting of hot water. Since it has a configuration that incorporates a control unit such as an input unit for inputting the temperature and set time, and a notification unit for notifying when the set temperature or set time is reached, the teapot is not easy to handle and operate, and is as easy as a conventional teapot. It is not a structure for brewing delicious tea. In addition, it is not possible to brew delicious tea because it is not possible to grasp the state of tea leaching inside the main body.
  • the method of turning off the heat source and notifying when a predetermined value is detected by the temperature sensor does not control the temperature of hot water to a constant value, and tea cannot be brewed at an appropriate temperature. That is, even if the power is turned off when the temperature sensor detects a predetermined temperature, the temperature rises due to the subsequent residual heat, and when the tea leaves are actually put in, the temperature is high against the delicious temperature conditions. As a result, delicious tea cannot be brewed.
  • the tea leaf extraction device disclosed in Patent Document 3 described above steams tea leaves above heated water, then immerses the tea leaves in heated water, measures the immersion time, and measures the tea. It is a so-called French press type configuration that notifies the extraction of. With such a configuration, the tea leaf extract can be extracted quickly (the time for brewing tea can be shortened), but the exact time for leaching the components cannot be grasped. For delicious tea, it is important to be able to accurately grasp the time from when the tea leaves begin to absorb water at the most suitable temperature until the extract is extracted.
  • the tea leaf extraction device disclosed in Patent Document 3 is characterized in that the tea leaf extract is quickly extracted, and no one can easily brew delicious tea.
  • the known tea leaf extraction device has a complicated structure and operation procedure, and has a feeling of use (operation procedure) similar to that of a general pottery teapot, and is easy and easy to use. It does not provide a structure that can serve delicious tea. Even if you are not an expert, in order to brew delicious tea, the hot water must be at the proper temperature when leaching the ingredients of the tea leaves, the temperature does not change when the ingredients are leached, and the dried tea leaves are dried. It is important to accurately grasp the leaching time of the components after the tea is added.
  • the present invention has been made by paying attention to the above-mentioned problems, and is an expert in a kyusu used for leaching an extract from various plant materials such as tea leaves (green tea, black tea, etc.), flowers, fruits, roots, etc. Even if it is not, the purpose is to provide a kyusu that enables delicious brewing with a simple structure and a simple operation procedure.
  • the kyusu has a main body provided with a storage portion capable of accommodating water through an opening, a spout provided in the main body, and a spout of the main body facing each other. It is provided with a handle provided on the side of the container, a heating body that directly heats the water in the storage unit, and a visual recognition unit that can visually recognize the turbidity of the water in the state where the components of the plant material are leached in the storage unit. Then, a container that allows the dried plant material to be put into the water heated in the container and the container are removable, and the container is placed in the container in a state where the container is placed.
  • the base has a base that heats water to a set temperature and maintains the set temperature, and the base has temperature control that heats and maintains the water in the accommodating portion to the temperature set by the user. It is provided with a control unit that performs time management for notifying the time set by the user for the leaching time of the components of the plant material, a temperature display unit that displays the temperature of the water in the storage unit, and a time display unit that displays the time.
  • the control unit includes a display unit, and is characterized in that the control unit controls so that an operation for notifying the set time can be performed after the heating of water is started.
  • the teapot having the above configuration has a container that is attached to and detached from the base, and has a spout and a handle on the side facing the spout. Because it is possible to put in, it can be handled in the same way as a conventional pottery teapot. That is, by setting the container containing water in the storage part on the base, setting the optimum temperature for extracting the extract, pressing the switch for heating operation, etc., the stored water is optimized. After the temperature is adjusted to a high temperature, the dried plant material is added through the opening. At the same time as charging, it is possible to perform an operation to notify the optimum set time for component leaching, and by notifying the optimum component leaching time, anyone can use an extremely simple operation procedure (no skill required). , It is possible to extract delicious plant material extracts.
  • the kyusu includes a storage portion for accommodating water, a handle, a spout, and a heating body, and a container in which the accommodating portion can be visually recognized and the accommodating portion.
  • a control unit that controls the temperature and a notification means for notifying the component leaching time of the plant material by the time management of the control unit are provided, and the plant material is accommodated with reference to the time notified by the notification means. It is characterized in that the actual component leaching time can be adjusted after it is put into a part.
  • the temperature of the water associated with the double water to achieve the desired taste as specified by the amount of water contained in the containment and the amount of dry plant material charged into the containment. It can be heated and maintained at the set temperature.
  • the optimum component leaching temperature is notified by the notification means. At this time, since the component leaching state in the accommodating portion can be visually recognized, the actual component leaching time can be adjusted.
  • the method for leaching components of a plant material includes a storage portion for accommodating water, a handle, a spout, and a heating body, and the accommodating portion is visually recognizable and is accommodated in the accommodating portion.
  • Temperature control to heat and maintain the temperature of the water associated with the double water to achieve the desired taste, specified by the amount of water and the amount of dry plant material charged into the containment, to a set temperature. It is characterized in that the components of the plant material are leached out by using a control unit and a swivel having the control unit, and the set temperature of water in the storage unit specified by the double water is maintained by the temperature control of the control unit. In this state, the plant material is charged into the accommodating portion, and then the component leaching is performed by adjusting the actual component leaching time.
  • teapot when leaching an extract from various plant materials such as tea leaves (green tea, black tea, etc.), flowers, fruits, roots, etc., even an unskilled person has a simple structure and a simple operation procedure. It will be possible to brew deliciously.
  • FIG. 1 A side sectional view of the teapot shown in FIG.
  • FIG. 1 A side view of a container constituting the teapot according to the present invention.
  • the present invention relates to a teapot used for leaching an extract from various plant materials such as tea leaves (green tea, black tea, etc.), flowers, fruits, roots and the like.
  • tea leaves will be illustrated as a plant material, but the present invention can be similarly applied to other plant materials.
  • the teapot of the present invention is configured so that it can be used in the same operation procedure as a general pottery teapot used when brewing tea from tea leaves, and water (hot water) having a predetermined temperature is stored in the storage portion.
  • water hot water
  • dry tea leaves are put in, the tea leaf extract is extracted, and then a container in which it can be poured and a container are placed, and the water contained in the container is heated to a predetermined temperature and at the same time.
  • It is configured to have a base having a function of maintaining a predetermined temperature. For this reason, the container part functions in the same way as a conventional pottery teapot, and instead of putting the hot water directly into the container, the water is stored in the container to reach the set temperature (optimal temperature for tea leaves). Hot water is obtained in the container by the base to be heated.
  • the kyusu according to the present invention is water that leaches tea leaf extract (not limited to fresh water, but carbonated water) with a simple operation procedure (one-way operation that does not require complicated operations) without any mistakes.
  • the “component leaching” of tea leaves means that the tea leaves that have not absorbed water (dry state) absorb the water and the components of the tea leaves come out into the water.
  • the “component leaching time” means a series of time from when the tea leaves begin to absorb water until the components stop leaching into the water.
  • “Notification of component leaching time” means continuously notifying the time during the above-mentioned “component leaching time” (for example, notifying the time up to that time by counting up or counting down on the display unit, that time. It means (notifying by sound, light, etc.) that it has become.
  • the notification means is not limited as long as it can visually, sound, and sense the user to notify the user of a predetermined time, and its operation is controlled by a control unit described later. Therefore, when the control means notifies the leaching time of the component, the extract is extracted under the most suitable temperature control state for the tea leaves (double water) to be used. This component leaching time is specified in advance according to the type and amount of tea leaves to be used and the amount of water, and is set by the user when performing the component leaching operation. "Temperature control” means heating to an optimum temperature (target temperature) according to the tea leaves to be used, and maintaining and controlling the target temperature within a predetermined range.
  • the teapot 1 includes a container 10 having the same function as a conventional pottery teapot, and a base 50 on which the container is placed at a predetermined position to perform temperature control.
  • the container 10 is used when the user warms the water to a set temperature (also referred to as a target temperature) and reaches the set temperature, instead of adding tea leaves and adding hot water as in a conventional pottery teapot. , It is configured so that tea leaves that have not absorbed water can be added.
  • the set temperature has the optimum temperature conditions and component leaching time depending on the type of tea leaves to be added and the taste to be drunk, and the user depends on the type of tea leaves to be used and the taste to be drunk (light taste, strong taste; double water). Set the temperature and leaching time when the dried tea leaves are added.
  • the base 50 has a function of heating the water contained in the container 10 to a set temperature specified by the user, a function of notifying when the set temperature is reached, a function of maintaining the set temperature, and a tea leaf leaching time (user). It has a function to notify the leaching time specified by the tea leaves used by the tea leaves after the tea leaves are put in.
  • the control unit provided on the base 50 heats the water contained in the container to the set temperature, and the water that has reached the set temperature in the container is used in the stage before the tea leaves are charged and in the stage before the tea leaves are charged. , Even after the tea leaves are put in, the temperature does not fluctuate and has a function of controlling (the method of controlling the heating temperature will be described later).
  • the container body 10A of the container 10 is integrally formed of, for example, a glass material (heat-resistant tempered glass) and a transparent resin material, and a power heater is incorporated in the bottom thereof, as is generally known.
  • a metal plate (hereinafter referred to as a heating body) 12 is provided.
  • the heating body 12 is attached to the container body 10A so as to be in direct contact with the contained water, and in the present embodiment, the heating body 12 is in direct contact to heat the water (heating heater method).
  • any method such as the IH method can be used.
  • the container body 10A includes a storage portion 10B in which water is stored through an opening 10a provided at a position facing the bottom (composed of the heating body 12 in the present embodiment), and the heating body 12 and the heating body 12
  • the accommodating portion 10B is formed by a region surrounded by a tubular wall (side wall) 10b rising from the periphery thereof.
  • the accommodating portion 10B is formed so as to accommodate a maximum of about 500 ml of water, and has a curved shape such that the diameter decreases as it moves upward.
  • the container 10 for actually brewing tea is detachably placed on the base 50 formed in a flat shape having a low height, and the container 10 is placed at a predetermined position of the base 50.
  • the container 10 is placed in the same mounting state as when it is placed on a horizontal portion such as a table, and the female connector 10C for the heating body 12 is replaced with the male connector 50C on the base 50 side.
  • the heating body 12 is heated by being connected to the heating body 12.
  • the side wall 10b of the container body 10A constitutes a transparent viewing portion, and the leaching state of the tea leaves put into the housing portion 10B can be visually recognized from all directions.
  • the container body may be formed of a material in which a part of the side wall is transparent.
  • the cover member 15 has a heat-shielding structure so that heat from the heating body 12 is not transferred to the side wall 10b of the container body, and can stably hold the handle 17 described later, and also holds the container body 10A as a handle. It has a function of preventing the finger from receiving the heat from the heating body 12 when the tea 17 is picked and lifted and the tea is poured into the drinking water.
  • a handle 17 that is gripped when tea is poured out from the accommodating portion is provided at a portion of the side wall 10b of the container body 10A that faces the spout 10c.
  • the handle 17 includes an upper portion 17a, a side portion 17b, and a lower portion 17c, and is formed so as to have an opening 17A into which a finger can be inserted between the handle 17 and the side wall 10b of the container body.
  • the tea leaves are charged into the storage portion 10B of the container body via a tea strainer (separation means) 20 that is freely installed in and out of the storage portion.
  • the separating means may have a structure in which the tea leaves can be held in water (water heated to a set temperature) in the accommodating portion, and the held tea leaves can be separated to the outside of the container.
  • the separating means further has a function of allowing the relative positions of the heated water and the tea leaves to be moved in the rotational direction and the vertical direction.
  • the tea strainer 20 of the present embodiment has a substantially circular ring portion 20a that can be installed at the edge of the opening 10a of the container body, and a ring portion 20a installed at the edge of the opening 10a from the ring portion. It is attached to a part of a cylindrical net unit 20b and a ring unit 20a that hangs downward and holds tea leaves that have not absorbed water in a state of being immersed in heated water, and has a diameter from the edge of the opening 10a.
  • An operation unit 20c that protrudes outward in the direction and enables the net unit 20b to be moved in the rotational direction and the vertical direction is provided.
  • the ring unit 20a when the ring unit 20a is installed (placed) in the opening 10a, the position of the net unit 20a is fixed, and the operation unit 20c protrudes outward in the radial direction from the opening 10a, so that the operation unit 20c By picking and operating the tea leaves, the net unit 20b in which the tea leaves are housed can be moved in the rotational direction and the vertical direction.
  • a lid 30 that closes the opening can be attached to the opening 10a.
  • the lid 30 can be covered with the tea strainer 20 installed in the opening 10a, and is configured to close the opening 10a even if the tea strainer 20 is not installed.
  • the container 10 configured as described above is configured to heat the water contained in the accommodating portion 10B by the power heater of the heating body 12.
  • the heating of the heating body 12 is controlled by the control board 80A (which constitutes the control unit 80 in the block diagram of FIG. 4) incorporated on the base 50 side, and the temperature of the water in the accommodating unit 10B is controlled (to the target temperature). (Heating and maintaining the target temperature). Therefore, a temperature sensor 25 (see FIG. 4) for measuring the temperature of the contained water is installed in the accommodating unit 10B, and transmits a temperature signal to the control unit 80 on the base side.
  • the configuration of the temperature sensor 25, the temperature measuring method, the arrangement location, and the like are not limited to a specific form.
  • the main body 50A of the base 50 is provided with an operation panel 51 that can be visually recognized and operated by the user.
  • the operation panel 51 is placed on a protruding flat portion 50B that protrudes forward (on the user side) when the container 10 is placed at a predetermined position on the base 50 so that it is easy to see and press. It is provided. That is, the relationship between the container 10 and the base 50 is that when the container 10 is placed on the base 50 so that the female connector 10C and the male connector 50C are connected, a part of the base is placed on the bottom of the container. It is provided with a protruding flat portion that protrudes and protrudes (protrudes toward the user side), and an operation panel 51 is provided on the protruding flat portion.
  • the operation panel 51 informs the operation switches to be pressed (pressing operation keys 53 to 56), the display unit displaying the temperature and time (temperature display unit 57, time display unit 58; digital display), and the current status.
  • Display units (LED lamps, etc.) 59 to 62 are collectively arranged.
  • a circular power switch key 53 that can be pressed and operated, and a switch key (here, composed of a down key 54a and an up key 54b) having the same shape for changing settings are arranged next to the power switch key 53. Further, under the switch keys 54a and 54b for changing the setting, a heating start key 55 having the same shape and a time start / stop key 56 are arranged, respectively. Further, on the left side of the up key 54b, a temperature display unit 57 (displayed in units of 0.1 ° C. up to 99.9 ° C.) that numerically displays the temperature is arranged, and below that (time start / stop key 56).
  • a time display unit 58 (displayed in 1-second units up to 59 minutes 59 seconds) that numerically displays the time is arranged. Further, on the left side of the temperature display unit 57, a set temperature display unit 59 and a current temperature display unit 60 that lightly display the status of the set temperature and the current temperature are arranged, and next to them, a lighting display indicating that heating is in progress is performed.
  • the heating display unit 61 is arranged, and the power lamp 62 for lighting and displaying the ON / OFF status of the power supply is arranged under the power switch key 53.
  • the operation panel 51 may be separately provided with a sound alarm speaker (not shown) constituting the notification means in order to call attention to the user.
  • FIG. 4 is a block diagram showing an example of a component that manages and controls the overall operation of the teapot 1 provided with the container 10 and the base 50 on which the container is placed.
  • the base 50 includes a power supply unit 71 that converts power supplied from a general household AC power supply into direct current, and a heating body driving unit (inverter circuit,) that supplies power from the power supply unit 71 to the heating body 12.
  • a container detection sensor 73 for detecting whether or not the container 10 is mounted on the base 50 is incorporated in the base (including a control circuit for driving the control circuit and the like) 72, and these are incorporated in the base through the bus 70.
  • a signal is transmitted and received to and from the installed control unit 80.
  • the control unit 80 transmits and receives a signal to and from the operation panel 51 to control the operation of the entire device, and at the same time, based on the operation of the operation panel 51 of the user, the heating body drive unit 71 is operated in a predetermined manner.
  • the CPU 81 that controls according to the program (power supply ON / power supply OFF to the heating body 12), the ROM 82 that stores the operation program of the entire device, the operation signal information input from the operation panel 51 is stored, and the operation program is processed. It is provided with a RAM 83 for temporarily storing various information in executing the above, a timer 84 for time management (management of component leaching time of tea leaves, etc.), and the like.
  • the above-mentioned functions of the operation panel 51 may be performed by an operation device other than the base 50.
  • a transmission / reception unit (communication unit) is incorporated in the base 50, and an operation signal or an operation signal can be transmitted to and from a mobile terminal such as a smartphone by using an existing communication network such as WiFi or Bluetooth (registered trademark).
  • Information signals may be transmitted and received so that external operations can be performed. That is, the mobile terminal owned by the user may be provided with a function as an operation unit or a display unit, or may be provided with a function as a notification means (sound, light, vibration, etc.) for notifying the tea leaf component leaching time. ..
  • the control unit 80 of the present invention can brew delicious tea with a simple operation procedure (one-way operation) without making an operation error. It is configured to execute possible procedures.
  • the outlet of the power supply unit 71 to the household power supply, and place the container 10 containing water on the base 50.
  • the amount of water may be measured and stored in a lightweight cup by the user, or a scale for the amount of water may be provided in the container and the user may store the water while looking at the scale.
  • the amount of water specify the amount of tea leaves to be added and the amount of double water to be brewed.
  • the power switch key 53 When the power switch key 53 is pressed (long press operation), the power is turned on, preferably a sound is generated and the power is turned on (S1). As a result, the temperature setting mode that can be input by the user is set, the temperature display unit 57 lights up, and the set temperature display unit 59 blinks (S2). In this case, the temperature display unit 57 displays the temperature previously set by the user (0 in the first use), and the displayed temperature can be changed by pressing the down key 54a and the up key 54b. It can be set (if the temperature is the same as the previous one, it can be left as it is).
  • the control unit 80 accepts the operation of setting / changing the heating temperature, and the temperature display unit 57 displays and sets the actual set temperature and the change of the set temperature.
  • the numerical value of the temperature is displayed on the temperature display unit 57.
  • the control unit 80 receives the operation of the heating start key 55 of the user, and when there is a pressing operation, supplies the electric power from the power supply unit 71 to the heating body 12 to perform heating (S3).
  • the heating starts, a sound is preferably generated, the current temperature display unit 60 lights up, and the temperature display unit 57 displays the current temperature (actual temperature of water in the container). Further, during heating (power is being supplied to the heating body 12), the temperature display unit 60 is currently lit (blinking) (S4).
  • the time display unit 58 blinks, and the time setting change can be accepted (S5). That is, the control unit 80 controls to accept the operation related to the notification time set by the user after the heating of the water is started.
  • the time setting here is for the user to set the optimum time for the extract to leaching after the tea leaves are added to the water at a predetermined temperature (the time is notified by a timer), so-called.
  • Ingredient leaching time With respect to component leaching, both countdown and countup can be freely selected, and the user selects either countdown mode or countup mode by pressing the down key 54a and the up key 54b. It is possible to set the time.
  • time display unit 58 0 is displayed when the user is in the specific time (countdown time) set last time or in the countup mode, and the displayed time is down. It is possible to change and set by pressing the key 54a and the up key 54b. Therefore, if the notification time is the same as the previous time, it can be left as it is.
  • This set time is displayed on the time display unit 58, and the user is activated by operating the time start key 56 at the same time as the tea leaf is thrown in, and in the countdown mode, when it reaches 0 seconds.
  • the user is notified by means of notification such as sound, light, and vibration.
  • the down key 54a and the up key 54b are pressed to display "0" on the time display unit 58, so that the count-up mode is set and the user can use the tea leaves.
  • the time start key 56 By operating the time start key 56 at the same time as pressing, the time is counted up from 0 seconds.
  • By operating the heating start key 55 in this way it is possible to perform an operation for setting the time and a start (timer activation) operation for the set time.
  • the control unit after operating the heating start button, the control unit does not accept the temperature setting operation and performs an operation of turning the power on / off or an operation of removing the container 10 from the base 50 and returning it to the original state.
  • the temperature setting operation is accepted, it may be possible to immediately return to the temperature management operation (set temperature mode) from the time management operation state. In that case, erroneous operation can be prevented by making the user understand which state (mode) the user is in by displaying the "set temperature” and / or by using voice, light, or the like.
  • This temperature rise rate detection process is a process in which heating is performed for a certain period of time (for example, a predetermined time between 10 seconds and 20 seconds) after the start of heating, then the heating is once turned off and then turned on after a predetermined time. In this case, heating for a certain period of time is set to a time at which the minimum amount of water is lower than the minimum set temperature, and when the amount of water is large, the time is set to heat higher than 1 degree. Is good. In this OFF / ON process, the water temperature that actually rises can be detected between OFF / ON, so that the temperature rise rate per unit time can be specified.
  • the ROM 82 of the control unit 80 stores a table regarding the temperature rise rate and a table regarding the heating time required to reach the target temperature for each amount of water, and by referring to the table regarding the temperature rise rate.
  • the amount of water in the container can be specified, and by referring to the table regarding the heating time, it is possible to specify how long it takes to reach the target temperature after turning it on again. It will be possible. Specifically, it is necessary from the actual amount of water in the container based on the rate of increase data of the current temperature (water temperature in the container) when a predetermined time elapses in the heating OFF state for several tens of seconds (for example, 30 seconds). (For example, if you know how many seconds it took for the temperature of the water in the container to rise once, you can heat it to the set temperature for how many seconds after turning it on. I know how).
  • an abnormal heating detection process is also performed (S7).
  • S7 an abnormal heating detection process is also performed (S7).
  • An error is displayed on the unit 57 and the power is turned off (S7 ⁇ S7A). That is, even if the user makes an erroneous operation such as pressing the heating start key 55 without adding water, it is possible to reliably prevent waterless heating.
  • the target temperature heat process (S8) and the temperature control process (S9) are continuously executed.
  • a predetermined heating time is determined based on the data obtained from the temperature rise rate obtained in S6, heating is performed for the determined time, and then heating is turned off. It becomes the set temperature.
  • the timing for turning off the heating is set so that the temperature rise overshoots the target temperature, as will be described later.
  • the procedure for turning off the heating may be performed (this process may be repeated if necessary). Then, when the display of the current temperature reaches the set temperature, the fact that the set temperature has been reached is notified by sound or the like.
  • the set temperature is lower than the temperature rise rate of the high set temperature (80 ° C, 90 ° C). By controlling the heating so as to reduce the temperature rise rate of (50 ° C., 60 ° C.), the set temperature can be reached in a short time as a result.
  • the set temperature is within the control range (for example, the required accuracy range of ⁇ 1 ° C. or ⁇ 2 ° C.).
  • the temperature control process is performed in (S9). As will be described later, this temperature maintenance management is performed by repeatedly turning the power on and off, and the temperature display unit 57 and the current temperature display unit 60 are always lit. At this stage, the control unit 80 is in a standby state for the timer to be activated (time start / stop key 56 is pressed) by the user (S10).
  • the user can add tea leaves.
  • the leaching time of tea leaves is an important factor in brewing delicious tea, and the tea leaves are put in with the time set by the user in (S5) displayed, and the time starts /
  • the timer 84 is activated, and the time display unit 58 displays a countdown or a countup (S10 ⁇ S11). The user can obtain the optimum component leaching state by taking out the tea leaves from the container containing the tea leaves with reference to the time displayed on the time display unit 58.
  • the displayed time or the time notified by the notification means is the optimum component leaching time for the user, but in the configuration of the teapot of the present invention, the tea leaves are used by the separation means (tea strainer 20). Can be separated from the container 10 at any time, so that the actual component leaching time can be adjusted. Further, since the state inside the container 10 (change in color of tea leaves) can be visually recognized at all times, such adjustment can be easily performed. That is, in the component leaching method of the present invention, the optimum component leaching temperature is obtained after the tea leaves are put into the accommodating portion while maintaining the set temperature of the water in the accommodating portion specified by the double water by the temperature control of the control unit 80. It is possible to grasp the actual component leaching time and adjust the component leaching time.
  • the countdown is performed.
  • the display is started (S11). Further, when the user presses the time start / stop key 56 while "0" is displayed on the time display unit 58, the count-up display is started (S11).
  • the countdown display when the display becomes "0", performs notification processing by a notification means such as generating a sound together with the display, and notifies the user that the set component leaching time has been reached. Therefore, the component leaching time can be known even if the user is away. Further, after the time display unit 58 becomes "0" and a predetermined time elapses, the display returns to the same set time again, and when brewing at the same time next time, the time start operation (ON). All you have to do is (operate) (the next time you change the component leaching time, you can change it with the down key or up key).
  • the count-up display (the first display is "0") displays the elapsed time until the user presses the start / stop key 56 of the time to stop the operation.
  • the leaching time of the ingredients is displayed as a guide, and the user can see the leaching state (color change) of the tea leaves in the container and in a state preferable to the user, the tea leaves are separated by the separating means. It can be removed from the container compartment.
  • a tea strainer and a stirring rod to give the tea leaves (material) and water movement, and to separate the tea leaves and water.
  • the power is turned off and the process ends (S12, S13). This is to prevent the container from being automatically turned on (the temperature is not controlled by the heating body 12) even if the container is returned to the base 50 again, which enhances the safety of the device.
  • the container 10 even if the container 10 is lifted from the base 50, it is preferable to continue the time display on the time display unit 58 and the notification by the notification means. That is, since it is possible that the user may remove the container 10 from the base 50 while the tea leaves are being brewed (during component leaching), it is preferable to inform the user of the component leaching time even in such a state. After the display process is started, it is preferable to continuously display the container 10 regardless of the state of the container 10 (the state of being placed on the base 50 or the state of being removed) as long as the user does not stop the time. ..
  • the user can turn off the power switch 53 at any step.
  • the processing up to that point may be terminated at that point.
  • the user can also brew tea from a temperature lower than the set temperature.
  • the Kyusu that can perform the above processing procedure, it is used from the temperature setting change processing (S2) until the time display unit 58 displays the time (S11) or until the operation of S12 or S13 is performed. Since the person is not allowed to return to the previous step (temperature setting step) (one-way operation), erroneous operation and malfunction can be prevented, and even people who are unfamiliar with the machine can easily and surely enjoy delicious tea. You can brew. Further, since the operation of the time start / stop key 56 is performed independently of the heating operation, the heating time and the component leaching time can be grasped separately.
  • the amount of water can be increased simply by performing the heating start operation (ON operation) and the time start operation (ON operation). Regardless of, you can easily brew tea with two operations. That is, since the control unit 80 controls to accept the operation for setting the temperature after the heating of the water is started, the temperature control step and the time control step are performed independently. As a result, erroneous operation can be reliably prevented, correct temperature control and time management become possible, and even delicate gyokuro and high-grade sencha can be brewed deliciously.
  • removing the container 10 from the base 50 may be performed at any step.
  • the power may be turned off and the user may press the power switch key 53 again to return the power to the power ON state (when the power is turned off, the temperature sensor 25 may be returned. Is in a non-energized state, and the temperature display unit 57 does not display the temperature).
  • the processing after S2 is executed and the temperature is set without turning off the power. If the temperature is the same as the previous time, the heating may be started (ON operation) as it is. In this case, the heating temperature may not be controlled unless the user performs the heating start operation. This makes it possible to prevent the user from being heated without water, such as when the user pours tea into a hot water drink and there is no water in the container 10.
  • the detection temperature of the temperature sensor 25 exceeds 100 degrees (for example, it is detected that the temperature has reached 101 ° C.) in the heat treatment and temperature control processing states of S8 and S9, it is determined that the heating is waterless. It is preferable to turn off the power automatically.
  • safety can be further improved by separately arranging a device for preventing dry cooking by using a thermostat or the like (preventing fire, etc., and allowing damage to the device).
  • the set temperature, the current temperature, (heating state), the current temperature display, and the time notification can be visually recognized by the LED lamp and the digital display unit. It is possible to intuitively understand the operation state by visually observing what kind of state it is in.
  • the temperature display unit 57 can more accurately grasp the component leaching of the tea leaf (material) by continuously displaying the current temperature during the component leaching time.
  • operation key another operation button (operation key) may be added to the operation panel 51 so that other operations can be performed.
  • some of the set temperature display unit 59, the current temperature display unit 60, the heating display unit 61, and the power lamp 62 arranged on the operation panel 51 may be omitted, and the temperature display unit 57 and the time display unit may be omitted. It may also be used as the display of 58.
  • the temperature and time setting change method may be set by one dial method instead of the down key and the up key which are used for both operations to simplify both operations, and the temperature display is in units of 1 ° C. It may be possible to set with.
  • the temperature control method of S8 and S9 warms the water contained in the accommodating portion to accurately set the target temperature, and maintains the target temperature with high accuracy.
  • the amount of water stored in the storage unit varies depending on the number of people who drink tea, and the heating time also varies accordingly.
  • FIG. 6 is a graph showing the time course of temperature when the water is heated by a constant heating power, with the heating time by the heating body 12 on the horizontal axis and the temperature detected by the temperature sensor 25 on the vertical axis. ..
  • the change with time of temperature has a steep gradient (large slope), whereas as the amount of water increases (200 cc to 500 cc), the change with time becomes gentle. Therefore, in the process of S6 of FIG. 5, it is possible to detect the amount of water in the accommodating portion by detecting the rate of increase in temperature per unit time (time-series data of water temperature).
  • the inside of the accommodating unit depends on the amount of change in the temperature detected from the temperature sensor and the time at that time.
  • the amount of water can be specified.
  • the control data shows the target temperature (in FIG. 6, the target temperature in FIG. 6) due to the residual heat (heat storage of the heater) when the heating is maintained for a few seconds and the heating energization is turned off from the amount of water and the current detected temperature. It is provided with a control table for reaching 70 ° C.). That is, the OFF line information (control table for specifying the OFF line) is stored for each target temperature, and the heating energization is controlled to be OFF when the temperature detected by the actual temperature sensor 25 reaches the OFF line. ..
  • the timing of turning off the heating energization is set so that the target temperature is overshooted by the residual heat after the heating energization is turned off (heating is turned off at a temperature obtained by subtracting the temperature rise due to the residual heat of the heating body 12). I am doing it). That is, after the heating by the heating body 12 starts, the control unit specifies the amount of water from the time-series data of the temperature of the water, and with the specified amount of water, how long should the heating be maintained? It is specified whether to overshoot the target temperature in consideration of the residual heat (the heating time is specified), and when that time is reached, the heating is controlled to be OFF.
  • the temperature rise due to the residual heat of the heating body 12 changes greatly when the amount of water changes significantly, and the temperature rise also changes accordingly. For example, if the amount of water is small, the temperature rise due to residual heat is large, and there is a possibility that the target temperature cannot be properly controlled. As described above, by adjusting the timing at which the heating is turned off according to the amount of water, the temperature rise due to the residual heat of the heating body 12 can be accurately controlled to the target temperature regardless of the amount of water. ..
  • data on the actual amount of water may be used for the amount of water in the accommodating portion.
  • the user can input or select the amount of water from the operation panel, or a sensor for detecting the amount of water is arranged in the container body. Install and use the data obtained from this sensor, or place a weighing scale on the base, turn on the weighing scale when filling the container with water (zero setting), and inject water into the container. It is possible to use the data obtained by measuring the amount of water after that. If the data on the amount of water (the amount of water in the accommodating portion) is specified in advance, the heating energization may be controlled to be OFF when the temperature detected by the actual temperature sensor 25 reaches the OFF line.
  • the timing for turning off the heating is such that the maximum temperature is slightly higher than the target temperature (+ ⁇ ° C; overshoots with respect to the target temperature) in consideration of the temperature drop after reaching the target temperature. ) Is controlled.
  • the maximum temperature is 70 ° C. + ⁇ ° C.
  • FIG. 7 is a flowchart showing an example of a control flow for executing temperature heating control (heating control) according to the control program of the control unit 80.
  • the control unit 80 acquires the target temperature set by the user (S21), heats it for a certain period of time from the start of heating, and then temporarily turns off the heating as shown in S6 of the control flow of FIG. 5 described above.
  • a process of turning on after a predetermined time is performed. Since the water temperature that actually rises can be detected by the time of this OFF / ON process, it is possible to obtain the temperature rise rate per unit time, and the actual amount of water is specified (S22, S23). ..
  • the OFF line control table specified in advance and the timing of heating / energizing OFF are set based on the current detection temperature (S24). Then, after the heating is turned on, when the OFF timing is reached, the heating energization is turned off and the control is terminated (S25, S26). By turning off the heating and energizing, the water in the accommodating part becomes a temperature slightly higher than the target temperature (target temperature + ⁇ ° C.) after a certain period of time after turning off, and this temperature is displayed on the temperature display unit 57. ..
  • the temperature rise rate detection process is performed after a certain period of time has elapsed (15 seconds in the graph) after the heating is started by the heat treatment (indicated by ON (1)) operation. It is performed (S6 in FIG. 5).
  • This temperature rise rate detection process is a process of temporarily turning off the heating (indicated by OFF (1)) and then turning it on after a predetermined time (in the graph, it is assumed that 30 seconds have passed) (indicated by ON (2)). ). There is almost no temperature change in the water temperature until the heating is turned off (1). In other words, the time until the first heating is turned off is set to a time at which almost no temperature change occurs regardless of the amount of water.
  • the rate of increase per unit time is detected by the time from OFF (1) to ON (2) (S6 in FIG. 5).
  • the heat treatments of (A) and (B) have the same temperature rise rate because the amount of water is the same, and the heat treatment of (C) has a low temperature rise rate because the amount of water is large. Further, as shown in (D), when the temperature rise rate is extremely high in this range, it is regarded as empty heating and the heating is turned off.
  • the ROM 82 of the control unit 80 reaches the target temperature by the residual heat (heat storage of the heater) when the heating is maintained for a few seconds and the heating energization is turned off from the amount of water and the current detection temperature. It has a control table for reaching. That is, a control table for specifying the OFF line for each target temperature is provided, and the heating energization is controlled to be OFF when the temperature detected by the actual temperature sensor 25 reaches the OFF line. In this case, by adjusting the OFF timing (indicated by OFF (2)), the overshoot position (indicated by PA, PB, PC) is controlled to be substantially constant regardless of the amount of water and / or the target temperature.
  • the heating temperature control means heats and controls the heating body so that the temperature rise rate differs between the case where the set temperature is set low and the case where the set temperature is set high under the same water amount condition. Is preferable.
  • the heating body is controlled by heating so that the temperature rise rates of the two are different.
  • the temperature rise rate a1 when the target temperature is set to 80 ° C. (when set high) is the temperature rise rate when the target temperature is set to 60 ° C. (when set low).
  • Such variable control of the heating temperature is preferably performed after the water temperature reaches the initial heating temperature (a stable heating temperature, which is set to 30 ° C. in FIG. 9), and is the same until the initial heating temperature is reached. Heating is performed in the heated state of the above, and after reaching 30 ° C., heating is controlled so that the rate of increase differs according to the target temperature.
  • the control table for this temperature rise rate is preset for each target temperature in the same amount of water, and is set so that the rise rate increases as the target temperature rises. In the example shown in FIG. 9, when the target temperature is 80 ° C., the temperature is controlled so as to heat at full power after 30 ° C. and turn off the power when the residual heat reaches 80 ° C. (may be overshooted).
  • the temperature rise rate is high
  • the target temperature is 60 ° C
  • it is controlled to gradually heat from 40 ° C to 60 ° C (the temperature rise rate is low), and it is related to the target temperature for the user. It is controlled so that the difference in heating time does not cause a sense of discomfort.
  • the heating temperature it is possible to accurately control the set temperature even if the amount of water is small, and when approximately the same time elapses regardless of the amount of water or the set temperature. It is possible to brew tea. That is, the time to reach the target temperature is set to a relatively short time of about 1 minute to 2 minutes so that the operation can be performed with the same feeling.
  • the temperature rise rate when the amount of water is large may be set to be higher than the temperature rise rate when the amount of water is small. That is, the control table for the temperature rise rate is preset for each amount of water at the same set temperature, and the temperature rise rate when the amount of water is large is changed to the temperature rise rate when the amount of water is small. On the other hand, it may be set to be higher.
  • the temperature control control for maintaining the target temperature is performed.
  • the maximum temperature ((70 + ⁇ ) ° C.) is reached after a certain period of time, and then the temperature drops, but the temperature drops by a constant temperature ((70- ⁇ ) ° C.) from the target temperature. )
  • the heating and energization is controlled to be ON again for a certain period of time so that the temperature of water is returned to the maximum temperature ((70 + ⁇ ) ° C.).
  • the amount of hot water may be used as it is, or a fixed amount may be used by pouring, but it is accommodated by detecting the rate of decrease in temperature per unit time (time series data of water temperature). Since it is possible to grasp the amount of hot water in the part, it is possible to control the ON time (timing from ON to OFF) from the time series data. It is also possible to use the data at the time of heating.
  • the temperature can be maintained within a predetermined range (target temperature + ⁇ ° C. to target temperature ⁇ ° C.) near the target temperature even after a lapse of time from the initial heating.
  • the hot water in the accommodating part can maintain a substantially target temperature. For example, by setting ⁇ to 1 ° C or 2 ° C and ⁇ to -1 ° C or -2 ° C, the user always leaches the tea leaf extract with hot water (68 ° C to 72 ° C) near 70 ° C. Is possible.
  • the range of temperature control is set to a set temperature of ⁇ 2 ° C., preferably a set temperature of ⁇ 1 ° C., so that tea can be brewed at a more optimum temperature.
  • a control flow for executing temperature maintenance control (maintenance management) according to the control program of the control unit will be described.
  • the maintenance of the temperature is performed in the range of (target temperature + ⁇ ° C.) to target temperature ⁇ ° C.).
  • the temperature of the hot water in the accommodating part is acquired by the temperature sensor 25 (S31), and when the temperature drops by a constant temperature ( ⁇ ° C.) (S32; Yes), the unit time up to that point is reached. Get the temperature drop rate. Since the current amount of water can be specified from this temperature decrease rate, the ON time of the heating energization until the temperature reaches (target temperature + ⁇ ° C.) is specified, and the heating energization is turned ON (S33, S34).
  • the temperature of the hot water in the accommodating portion rises to the above-mentioned (target temperature + ⁇ ° C.) after a certain period of time.
  • S37; No the target temperature maintenance control ends.
  • the case where the temperature maintenance is not required here means, for example, when a certain time has passed since the temperature maintenance was started, when all the hot water is poured out, or when the temperature detected by the temperature sensor 25 drops. For example, when the user turns off the power on the operation panel.
  • the tea leaves can be added at the optimum temperature by a simple operation procedure (one-way operation that does not cause an operation error) and is appropriate. Since the leaching time is notified, anyone can brew delicious tea with the same feeling as a conventional pottery teapot without skill. Further, since the operation can be performed while looking at the operation panel 51 provided on the surface of the protruding flat portion 50B of the flat base 50, the operability is good and the leaching state of the tea leaves is also leached through the container. Since it can be visually recognized, it is possible to easily obtain a desired taste.
  • the leaching state (color and turbidity) of the tea leaves can be visually recognized through the visual portion of the container 10, it is easy to intuitively grasp the astringent state (dark state) and the mild state (light state). Therefore, regardless of the set component leaching time, the component can be leached in the state desired by the user.
  • the temperature, the component leaching time, and the component leaching state can be visually recognized at the same time from the same direction, so that the temperature, time, and density can be grasped at the same time.
  • the actual tea leaf component leaching time can be adjusted, and the user can brew delicious tea of the user's taste by controlling the component leaching time.
  • the component leaching time is an ideal value predetermined according to the double water, and it is easy to adjust to the optimum component leaching state while grasping this ideal value.
  • a tea strainer can be installed as a means for separating dried tea leaves and water.
  • the double water (amount / ratio of water to the material) for obtaining a desired taste and the temperature of water associated therewith are heated and maintained by the above-mentioned control unit 80.
  • the component leaching time (the actual component leaching time from when the material is put into the container until the water and the material are separated) is determined by the time management in the control unit 80 described above according to the double water and the tea leaves. can get.
  • the change in color through the visual part of the container 10 can be grasped, so that the user controls the leaching time of the component. You will be able to easily brew tea with the optimum ingredient leaching condition that suits you.
  • the means for separating water and tea leaves is not limited to tea strainers, and can be appropriately modified by making it a tea bag type or a stirring rod type.
  • the present invention is not limited to the above-described embodiments and can be variously modified.
  • the above-mentioned temperature heating control and temperature maintenance method are only shown as an example, and can be variously modified.
  • the heating time may be set to be long or short, and the heating may be performed stepwise, or the electric power (heating rate) applied per unit time may be adjusted to heat the heating stepwise.
  • a communication unit is incorporated in the base 50, and a portable terminal owned by the user via the existing communication network. On the other hand, it may be notified by sound, light, voice, vibration or the like.
  • an IH method may be used in addition to the above-mentioned heater method. That is, heating is performed by providing a flat plate-shaped heating body on the lower surface of the container 10 and providing a table on the base 50 on which an IH coil that is in contact with the heating body to generate electromagnetic induction is provided.
  • the method is not limited.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Cookers (AREA)

Abstract

La présente invention concerne une théière comprenant : un bec verseur (10c); une poignée (17); un corps de chauffage (12) qui chauffe directement l'eau dans une section de récipient; et une section de visualisation (10b) à travers laquelle peut être visualisée la turbidité de l'eau lorsque des composants d'un matériau végétal sont lixiviés dans la section de récipient. La théière comprend un récipient (10) comportant une ouverture à travers laquelle un matériau végétal sec peut être introduit dans l'eau chauffée dans la section de récipient, et comprend une base (50) à laquelle le récipient (10) peut être fixé de façon amovible et qui chauffe et maintient l'eau dans la section de récipient à une température définie dans un état dans lequel le récipient est placé sur celle-ci. La base (50) est caractérisée par : une unité de commande qui effectue une gestion de température pour chauffer et maintenir l'eau dans la section de récipient à la température définie par l'utilisateur, et une gestion de temps pour alerter l'utilisateur au moment défini par l'utilisateur pour lixivier des composants d'un matériau végétal; et une unité d'affichage comprenant une partie d'affichage de température (57) qui affiche la température de l'eau dans la section de récipient, et une partie d'affichage de temps (58) qui affiche le temps. L'unité de commande est caractérisée en ce qu'elle réalise une commande de façon à permettre une opération d'alerte au moment défini après le début du chauffage de l'eau.
PCT/JP2020/009059 2020-03-04 2020-03-04 Théière WO2021176582A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276952A (ja) * 2001-03-19 2002-09-25 Matsushita Electric Ind Co Ltd 加熱調理器のタイマー装置
JP2002306341A (ja) * 2001-04-13 2002-10-22 Matsushita Electric Ind Co Ltd コーヒー沸かし器
JP2007107747A (ja) * 2005-10-11 2007-04-26 Matsushita Electric Ind Co Ltd 加熱調理器
JP2007175219A (ja) * 2005-12-27 2007-07-12 Kuo Yu Plastic Enterprise Co Ltd タイマー機能付きお茶いれ機
JP2010507411A (ja) * 2006-10-24 2010-03-11 ブレヴィル ピーティーワイ リミテッド ティーメーカー
JP2013540550A (ja) * 2010-10-27 2013-11-07 コーニンクレッカ フィリップス エヌ ヴェ 半自動化ティーメーカ
JP2016185269A (ja) * 2015-03-27 2016-10-27 象印マホービン株式会社 飲料抽出機及び飲料抽出方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276952A (ja) * 2001-03-19 2002-09-25 Matsushita Electric Ind Co Ltd 加熱調理器のタイマー装置
JP2002306341A (ja) * 2001-04-13 2002-10-22 Matsushita Electric Ind Co Ltd コーヒー沸かし器
JP2007107747A (ja) * 2005-10-11 2007-04-26 Matsushita Electric Ind Co Ltd 加熱調理器
JP2007175219A (ja) * 2005-12-27 2007-07-12 Kuo Yu Plastic Enterprise Co Ltd タイマー機能付きお茶いれ機
JP2010507411A (ja) * 2006-10-24 2010-03-11 ブレヴィル ピーティーワイ リミテッド ティーメーカー
JP2013540550A (ja) * 2010-10-27 2013-11-07 コーニンクレッカ フィリップス エヌ ヴェ 半自動化ティーメーカ
JP2016185269A (ja) * 2015-03-27 2016-10-27 象印マホービン株式会社 飲料抽出機及び飲料抽出方法

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