WO2014136346A1 - ウォーターサーバー - Google Patents
ウォーターサーバー Download PDFInfo
- Publication number
- WO2014136346A1 WO2014136346A1 PCT/JP2013/083330 JP2013083330W WO2014136346A1 WO 2014136346 A1 WO2014136346 A1 WO 2014136346A1 JP 2013083330 W JP2013083330 W JP 2013083330W WO 2014136346 A1 WO2014136346 A1 WO 2014136346A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- bottle
- suction hole
- water bottle
- drinking
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 548
- 239000003651 drinking water Substances 0.000 claims abstract description 102
- 235000020188 drinking water Nutrition 0.000 claims abstract description 102
- 238000005086 pumping Methods 0.000 claims abstract description 77
- 230000007423 decrease Effects 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 description 14
- 238000004659 sterilization and disinfection Methods 0.000 description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 241000048246 Gallicrex cinerea Species 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 244000052616 bacterial pathogen Species 0.000 description 6
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- 238000001816 cooling Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000008239 natural water Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 229910052802 copper Inorganic materials 0.000 description 2
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- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0003—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid
- B67D1/0004—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in a container, e.g. bottle, cartridge, bag-in-box, bowl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0003—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid
- B67D1/0009—Apparatus or devices for dispensing beverages on draught the beverage being a single liquid the beverage being stored in an intermediate container connected to a supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/07—Cleaning beverage-dispensing apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0801—Details of beverage containers, e.g. casks, kegs
- B67D1/0804—Shape or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0801—Details of beverage containers, e.g. casks, kegs
- B67D1/0807—Openings for emptying, e.g. taped openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0857—Cooling arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0857—Cooling arrangements
- B67D1/0858—Cooling arrangements using compression systems
- B67D1/0861—Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0895—Heating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D3/0029—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers
- B67D3/0032—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with holders for bottles or similar containers the bottle or container being held upside down and provided with a closure, e.g. a cap, adapted to cooperate with a feed tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D2210/00028—Constructional details
- B67D2210/00094—Ergonomics
- B67D2210/00097—Handling of storage containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D2210/00146—Component storage means
Definitions
- This invention relates to a water server for supplying drinking water from a replaceable water bottle filled with drinking water such as mineral water.
- the water bottle has a hollow cylindrical body portion, a bottom portion provided at one end of the body portion, and a neck portion provided at the other end of the body portion via a shoulder portion, and a tip of the neck portion There is a water outlet.
- the water bottle is set in the water server with the water outlet at the tip of the neck facing downward.
- drum of a water bottle is formed with the softness
- the water bottle of the patent document 1 has the water bottle set on the upper surface of the housing, when the water bottle is replaced, it is necessary to lift the full water bottle high.
- a full water bottle usually contains about 10 to 12 liters of drinking water and has a weight of 10 kg or more. For this reason, water bottle replacement work has been difficult for water server users (especially women and elderly people).
- the inventors of the present application examined setting the water bottle as low as possible in the water server. When the position of the water bottle is lowered, it is not necessary to lift the water bottle high when setting a full water bottle having a considerable weight in the water server, so that the water bottle can be easily replaced.
- the water bottle position is lower than the cold water tank inside the server, so the drinking water filled in the water bottle is put into the cold water tank inside the server. It cannot be dropped by gravity. Therefore, in order to be able to supply drinking water from the water bottle to the cold water tank, a pump for pumping drinking water from the water bottle is required.
- the inventor of the present application adopts a water bottle formed with flexibility so as to contract as the residual water amount decreases, and provides a water server with a pump for drawing drinking water from the water bottle.
- a water server with a pump for drawing drinking water from the water bottle.
- the water outlet of the water bottle does not need to face downward as when drinking water is dropped from the water bottle.
- the idea of setting a water bottle sideways namely, the state in which the water outlet of a water bottle faces horizontal
- the water bottle so that the water outlet of the water bottle faces horizontally can increase the degree of freedom in designing the water server.
- the water bottle is supported so that it can slide horizontally with the water outlet of the water bottle facing horizontally, and the water bottle's water outlet slides in and out of the server so that the water outlet of the water bottle is attached to and detached from the raw water pumping pipe.
- the raw water pumping pipe can be fixed. In this way, since the total length of the raw water pumping pipe can be kept short, it is possible to prevent the propagation of germs in the raw water pumping pipe.
- the inventor of the present application actually set the water bottle 90 sideways and repeated the experiment of pumping the drinking water W inside the water bottle 90 with the pump 91. It has been found that in the state where a large amount of drinking water W remains inside the water bottle 90, it may not be possible to pump out the drinking water W any more. This will be described below.
- the problem to be solved by the present invention is to suppress the remaining water amount of the water bottle when the drinking water is pumped out from the replaceable water bottle formed with flexibility so as to shrink as the remaining water amount decreases. It is to provide a water server that can.
- a water server having The raw water pumping pipe is In the state connected to the water bottle, a water suction hole for introducing drinking water inside the water bottle into the raw water drawing pipe, When the water level inside the water bottle is higher than the position of the water suction hole, the air suction hole for introducing the air inside the water bottle as bubbles into the drinking water in the raw water pumping pipe, The configuration having the above is adopted.
- the air inside the water bottle is It is introduced into the raw water pumping pipe.
- the air introduced into the raw water pumping pipe enters the pump, but since this air is mixed with drinking water as bubbles, the suction force of the pump is not lost.
- the quantity of the air inside a water bottle reduces by the part discharged
- the air suction hole is preferably formed to have a smaller cross-sectional area than the water suction hole. In this way, even if a pump with a small discharge amount is used, air introduced into the raw water pumping pipe from the air suction hole can be made into bubbles, so that a small-sized pump can be employed, and low Cost.
- the water server of the present invention when the water level inside the water bottle is lowered to the position of the air suction hole, when the drinking water inside the water bottle is further pumped out, the air inside the water bottle It is discharged as bubbles with water. Therefore, the amount of shrinkage of the water bottle when the water level inside the water bottle falls to the position of the water suction hole is large, and the remaining water amount of the water bottle can be suppressed.
- Sectional drawing which looked at the water server of this embodiment from the side Enlarged view of the vicinity of the bottle support in FIG. Sectional view along line III-III in FIG. The figure which shows the state which pulled out the bottle support part shown in FIG. 2 from the housing
- Enlarged sectional view of the vicinity of the joint of the raw water pumping pipe shown in FIG. Enlarged sectional view of the tip of the joint shown in FIG.
- the expanded sectional view which shows the process of connecting the water outlet of a water bottle to the joint part shown in FIG.
- the expanded sectional view which shows the state which the plug body with which the water outlet of the water bottle contacted the joint part shown in FIG. 2 is an enlarged cross-sectional view showing a state where the drinking water inside the water bottle shown in FIG.
- FIG. 2 shows a state in which the water level in the water bottle is higher than the position of the air suction hole, and the vicinity of the joint part indicates that the drinking water flows into the joint part from the air suction hole and the water suction hole when the pump is operated.
- FIG. 2 shows a state in which the water level in the water bottle is higher than the position of the air suction hole, and the vicinity of the joint part indicates that the drinking water flows into the joint part from the air suction hole and the water suction hole when the pump is operated.
- An enlarged sectional view of the vicinity of the joint showing the state 11 is an enlarged cross-sectional view in the vicinity of the joint portion when an air suction hole having a larger cross-sectional area than that of the air suction hole shown in FIG. 11 is employed and a small-sized pump is employed.
- running state of the water server shown in FIG. Sectional view showing a state in which a large amount of drinking water remains inside the water bottle when the drinking water inside the water bottle is pumped out using a water server that does not have an air suction hole in the joint part of the raw water drawing pipe FIG.
- FIG. 14 is an enlarged cross-sectional view of the vicinity of the joint portion showing a state in which drinking water flows from the water suction hole into the joint portion when the pump is operated at a stage where the water level inside the water bottle is higher than the position of the water suction hole.
- FIG. 14 is an enlarged cross-sectional view of the vicinity of the joint portion showing a state where the water level inside the water bottle is lower than the position of the water suction hole
- FIG. 1 shows a water server according to an embodiment of the present invention.
- This water server includes a vertically long casing 1, a cold water tank 2 and a hot water tank 3 accommodated in the upper part of the casing 1, a replaceable water bottle 4 accommodated in the lower part of the casing 1, and a water bottle 4.
- a bottle support 5 for supporting the water a raw water pumping pipe 6 communicating between the water bottle 4 and the cold water tank 2, a pump 7 provided in the middle of the raw water pumping pipe 6, the cold water tank 2 and the hot water tank 3 and a tank connection path 8 connecting the three.
- the cold water tank 2 and the hot water tank 3 are arranged side by side so that the hot water tank 3 is positioned below the cold water tank 2.
- the housing 1 includes a bottom plate 9, a peripheral wall 10 rising from the periphery of the bottom plate 9, and a top plate 11 provided at the upper end of the peripheral wall 10.
- An opening 12 for taking in and out the water bottle 4 and a front door 13 for opening and closing the opening 12 are provided at the lower front portion of the peripheral wall 10.
- the upstream end of the raw water pumping pipe 6 is provided with a joint portion 6a detachably connected to the water outlet 14 of the water bottle 4, and the downstream end of the raw water pumping pipe 6 is connected to the cold water tank 2. It is connected to the.
- the raw water pumping pipe 6 is provided to extend downward from the joint part 6a so as to pass through a position lower than the joint part 6a, and then to turn upward.
- the pump 7 is arrange
- the pump 7 transfers drinking water in the raw water pumping pipe 6 from the water bottle 4 side to the cold water tank 2 side, and pumps drinking water from the water bottle 4 through the raw water pumping pipe 6.
- a diaphragm pump can be used.
- the diaphragm pump has only a diaphragm (not shown) that reciprocates, a pump chamber whose volume is increased or decreased by the reciprocation of the diaphragm, an intake port and a discharge port provided in the pump chamber, and a flow in a direction flowing into the pump chamber. It has a suction side check valve provided at the suction port so as to allow, and a discharge side check valve provided at the discharge port so as to allow only the flow in the direction of flowing out from the pump chamber.
- the volume of the pump chamber increases, drinking water is sucked from the suction port, and when the volume of the pump chamber decreases due to the backward movement of the diaphragm, the drinking water is discharged from the discharge port.
- the gear pump includes a casing (not shown), a pair of meshing gears housed in the casing, and a suction chamber and a discharge chamber in the casing defined by meshing portions of the pair of gears.
- the drinking water confined between the tooth gap and the inner surface of the casing is transferred from the suction chamber side to the discharge chamber side by rotation of the gear.
- centrifugal pump may be used as the pump 7.
- the centrifugal pump has an impeller (not shown) that is rotationally driven, a casing that houses the impeller, a suction port that is provided in the center of the casing, and a discharge port that is provided on the outer periphery of the casing. Drinking water is transferred from the suction port side to the discharge port side by centrifugal force applied by the rotation of the impeller.
- a flow sensor 16 is provided on the discharge side of the pump 7 of the raw water pumping pipe 6.
- the flow sensor 16 can detect the state when the flow of the drinking water in the raw water draw-out pipe 6 is lost during the operation of the pump 7.
- a first switching valve 17 is provided between the joint 6 a of the raw water pumping pipe 6 and the pump 7. Although the 1st switching valve 17 is arrange
- a first bypass pipe 18 communicating with the hot water tank 3 is connected to the first switching valve 17. The end of the first bypass pipe 18 on the warm water tank 3 side is connected to the upper surface of the warm water tank 3.
- the first switching valve 17 communicates between the joint portion 6a and the pump 7 and also shuts between the first bypass pipe 18 and the pump 7 (see FIG. 1), and the joint portion 6a and the pump 7. And the flow path can be switched between a sterilization operation state (see FIG. 13) in which the first bypass pipe 18 and the pump 7 communicate with each other.
- a second switching valve 19 for hot water sterilization is provided at the end of the raw water pumping pipe 6 on the cold water tank 2 side.
- a second bypass pipe 20 that communicates with the hot water tank 3 is connected to the second switching valve 19.
- the end of the second bypass pipe 20 on the warm water tank 3 side is connected to the lower surface of the warm water tank 3.
- a drain pipe 21 extending to the outside of the housing 1 is connected to the second bypass pipe 20.
- the outlet of the drain pipe 21 is closed with a plug 22.
- An on-off valve may be provided instead of the plug 22.
- the second switching valve 19 communicates between the raw water pumping pipe 6 and the cold water tank 2 and is in a normal operation state in which the raw water pumping pipe 6 and the second bypass pipe 20 are blocked (see FIG. 1). Switching between the raw water pumping pipe 6 and the cold water tank 2 and switching the flow path between the raw water pumping pipe 6 and the second bypass pipe 20 in a sterilization operation state (see FIG. 13). It is configured to be able to.
- first switching valve 17 and the second switching valve 19 are each constituted by a single three-way valve, but a switching valve having the same action is configured by combining a plurality of on-off valves. May be.
- the cold water tank 2 contains air and drinking water in upper and lower layers.
- the cold water tank 2 is attached with a cooling device 23 that cools the drinking water stored in the cold water tank 2.
- a baffle plate 24 that partitions the inside of the cold water tank 2 up and down is provided in the cold water tank 2.
- the cooling device 23 is arranged on the outer periphery of the lower part of the cold water tank 2 and keeps the drinking water below the baffle plate 24 in the cold water tank 2 at a low temperature (about 5 ° C.).
- the cold water tank 2 is provided with a water level sensor 25 for detecting the level of drinking water accumulated in the cold water tank 2.
- the pump 7 operates in accordance with the decrease in the water level, and drinking water is supplied from the water bottle 4 to the cold water tank 2.
- the baffle plate 24 is cooled by the cooling device 23 and the low temperature drinking water accumulated in the lower part of the cold water tank 2 is transferred from the water bottle 4 to the cold water tank 2. Prevents stirring with room temperature drinking water supplied inside.
- the baffle plate 24 has a cylindrical hanging wall 26 extending downward from the outer peripheral edge thereof, and holds air in a region surrounded by the hanging wall 26, so that the baffle plate 24 is positioned between the upper side and the lower side of the baffle plate 24. Increases thermal insulation effect.
- the cold water tank 2 is connected to the bottom of the cold water tank 2 through which a low-temperature drinking water collected in the lower part of the cold water tank 2 is poured out.
- the cold water pouring channel 27 is provided with a cold water cock 28 that can be operated from the outside of the housing 1. By opening the cold water cock 28, low-temperature drinking water can be poured from the cold water tank 2 into a cup or the like. Yes.
- the capacity of the cold water tank 2 is smaller than the capacity of the water bottle 4 and is about 2 to 4 liters.
- an upper end of a tank connection path 8 connecting the cold water tank 2 and the hot water tank 3 is opened.
- the end of the tank connection path 8 on the cold water tank 2 side allows drinking water to flow from the cold water tank 2 side to the hot water tank 3 side, and drinking water from the hot water tank 3 side to the cold water tank 2 side.
- a check valve 29 for restricting the flow is provided. The check valve 29 prevents hot drinking water in the hot water tank 3 from flowing into the cold water tank 2 due to heat convection, and suppresses energy loss in the cold water tank 2 and the hot water tank 3.
- the air sterilization chamber 31 is connected to the cold water tank 2 through an air introduction path 30.
- the air sterilization chamber 31 includes a hollow case 33 in which an air intake port 32 is formed, and an ozone generator 34 provided in the case 33.
- the ozone generator 34 for example, a low-pressure mercury lamp that irradiates oxygen in the air with ultraviolet rays to change the oxygen into ozone, or an alternating voltage is applied between a pair of opposed electrodes covered with an insulator, between the electrodes.
- a silent discharge device that changes oxygen into ozone can be used.
- the air sterilization chamber 31 is always in a state where ozone is accumulated in the case 33 by energizing the ozone generator 34 at regular intervals to generate ozone.
- the air introduction path 30 introduces air into the cold water tank 2 according to a drop in the water level in the cold water tank 2 to keep the inside of the cold water tank 2 at atmospheric pressure. At this time, since the air introduced into the cold water tank 2 passes through the air sterilization chamber 31 and is sterilized with ozone, the air in the cold water tank 2 is kept clean.
- a diffusion plate 35 is provided for diffusing the flow of drinking water until the drinking water fed from the raw water pumping pipe 6 reaches the surface of the drinking water accumulated in the cold water tank 2. .
- the diffusing plate 35 the drinking water comes into contact with the ozone in the air in the cold water tank 2 (that flows into the cold water tank 2 from the air sterilization chamber 31) over a wide area, and the beverage in the cold water tank 2 Improves water hygiene.
- the tank connection path 8 has an in-tank pipe 36 that extends downward from the upper surface of the hot water tank 3 to the inside of the hot water tank 3.
- the lower end of the tank internal pipe 36 is open near the bottom surface of the hot water tank 3. This prevents hot drinking water accumulated in the upper part of the hot water tank 3 from flowing into the tank piping 36.
- the hot water tank 3 is completely filled with drinking water.
- a heating device 37 for heating the drinking water in the hot water tank 3 is attached to the hot water tank 3 so as to keep the drinking water in the hot water tank 3 at a high temperature (about 90 ° C.).
- a sheath heater is adopted as the heating device 37
- a band heater can also be adopted.
- the sheath heater contains a heating wire that generates heat when energized in a metal pipe, and is attached so as to extend through the wall surface of the hot water tank 3.
- the band heater is a cylindrical heating element in which a heating wire that generates heat when energized is embedded, and is attached in close contact with the outer periphery of the hot water tank 3.
- a hot water pouring channel 38 for pouring hot drinking water accumulated in the upper part of the hot water tank 3 to the outside.
- the hot water pouring channel 38 is provided with a hot water cock 39 that can be operated from the outside of the housing 1. By opening the hot water cock 39, hot drinking water can be poured from the hot water tank 3 into a cup or the like. Yes.
- the capacity of the hot water tank 3 is about 1 to 2 liters.
- the water bottle 4 is provided with a hollow cylindrical body 40, a bottom 41 provided at one end of the body 40, and a shoulder 42 at the other end of the body 40.
- the neck 43 is provided with a water outlet 14.
- the shoulder portion 42 is a portion that gradually narrows from the trunk portion 40 toward the neck portion 43.
- a flange 44 is formed on the outer periphery of the neck portion 43.
- the body 40 of the water bottle 4 is formed with flexibility so as to contract as the residual water amount decreases.
- the water bottle 4 is formed by blow molding of polyethylene terephthalate resin (PET).
- PET polyethylene terephthalate resin
- the capacity of the water bottle 4 is about 10 to 20 liters when the water bottle is full.
- the water bottle 4 contains drinking water W and air A that could not be excluded when the water bottle 4 was filled with the drinking water W.
- the bottle support 5 includes a bottle mounting plate 45 that supports the body 40 of the water bottle 4 from below with the water outlet 14 of the water bottle 4 facing horizontally, It has side plates 46 located on the left and right sides of the bottle 4, a front plate 47 located in front of the water bottle 4, and a rear plate 48 located behind the water bottle 4.
- the front side is the front and the back side is the rear as viewed from the user standing toward the water server.
- the bottle support portion 5 is supported by a pair of left and right slide rails 49 extending in the front-rear direction.
- the rear plate 48 of the bottle support 5 is formed with a notch 50 that opens to the upper edge of the rear plate 48.
- the notch 50 is fitted to the outer periphery of the neck portion 43 of the water bottle 4 continuously from the upper portion of the rear plate 48 toward the lower portion and continuously to the lower portion of the introduction portion 51. It consists of a semicircular constraining portion 52.
- the restraint portion 52 is fitted to a portion of the neck portion 43 closer to the body portion 40 than the flange 44.
- the restraint portion 52 is formed in an arc shape having a smaller diameter than the outer diameter of the flange 44 of the neck portion 43 of the water bottle 4.
- the slide rail 49 includes a fixed side rail 53 that is fixed to the bottom plate 9 of the housing 1 and extends in the front-rear direction, an intermediate rail 54 that is slidably supported by the fixed side rail 53, and an intermediate rail 54. And a moving side rail 55 supported so as to be slidable.
- the moving-side rail 55 is fixed to the bottle mounting plate 45 of the bottle support 5.
- the bottle support 5 is configured so that the three rails constituting the slide rail 49 slide relative to each other so that the water bottle 4 is accommodated in the housing 1 (the position in FIG. 2) and the housing 1. It can move horizontally between the drawer position (position of FIG. 4) from which the water bottle 4 comes out.
- the water outlet 14 of the water bottle 4 faces the moving direction (here, the rear) of the bottle support 5 when the bottle support 5 moves from the drawing position to the storage position.
- the joint portion 6 a is separated from the water outlet 14 of the water bottle 4 when the bottle support portion 5 is moved to the drawing position, and the bottle support portion 5 is accommodated as shown in FIG. 2. It is fixed in the housing 1 so as to be connected to the water outlet 14 of the water bottle 4 when moved to.
- the water outlet 14 of the water bottle 4 is connected to the joint portion 6a, the water bottle 4 is supported by the bottle support portion 5 with the water outlet 14 facing horizontally.
- the front door 13 of the housing 1 is fixed to the bottle support 5 so as to slide integrally with the bottle support 5. Therefore, when the front door 13 is pulled forward and the opening 12 is opened, the bottle support 5 is pulled out of the housing 1 in conjunction with this. When the front door 13 is pushed back to close the opening 12, the bottle support 5 is accommodated in the housing 1 in conjunction with this operation.
- a wheel 56 that is in rolling contact with the mounting surface of the housing 1 is attached to the lower portion of the front door 13.
- the wheel 56 supports the load when a load (for example, the weight of the full water bottle 4 or the weight of a person) is applied to the bottle support 5 while the bottle support 5 is pulled out from the housing 1. This prevents the casing 1 from falling.
- the bottom plate 9 of the housing 1 is formed with a recess 57 for accommodating the wheel 56.
- a cap 60 is attached to the tip of the neck 43 of the water bottle 4.
- an inner cylinder 61 is formed that is open at both ends extending in parallel with the neck 43 toward the inside of the water bottle 4.
- a region inside the inner cylinder 61 forms a water outlet 14 of the water bottle 4.
- a plug 62 is detachably fitted into the water outlet 14.
- the cap 60 is formed by injection molding of polyethylene resin (PE).
- a step portion 63 having a smaller diameter toward the inside of the water bottle 4 is formed on the inner peripheral surface of the inner cylinder 61.
- the plug body 62 has a cylindrical portion 64, a bottomed cylindrical shape having a closed end portion 65 formed at one end of the cylindrical portion 64, and a claw portion 66 formed along the inner periphery of the other end of the cylindrical portion 64. It is.
- the bottomed cylindrical plug body 62 is fitted to the inner cylinder 61 so as to open toward the outside of the water bottle 4.
- a projection 67 that is engaged with the stepped portion 63 of the inner cylinder 61 is formed on the outer peripheral surface of the cylindrical portion 64.
- An opposing piece 68 is formed at the inner end of the water bottle 4 of the cylindrical portion 64 so as to face the end of the inner cylinder 61 in the axial direction.
- the joint portion 6a is a horizontally extending cylindrical body formed so as to be fitted to the water outlet 14 of the water bottle 4.
- the joint portion 6 a includes a straight portion 70 having a cylindrical outer periphery and a hemispherical tip portion 71.
- the diameter of the straight part 70 is set to a size that fits the water outlet 14 of the water bottle 4 (that is, the inner cylinder 61) with a tightening margin.
- the straight portion 70 is formed with a water suction hole 72 for introducing the drinking water W inside the water bottle 4 into the raw water pumping pipe 6 in a state where the joint portion 6 a is connected to the water outlet 14 of the water bottle 4. ing.
- the water suction hole 72 opens in the lower half region of the joint portion 6a (the lower end position of the joint portion 6a in the figure).
- an air suction hole 73 is formed above the water suction hole 72 (in the drawing, the upper end position of the joint portion 6a).
- the air suction hole 73 communicates with the inside and outside of the joint portion 6a.
- Air A is introduced into the drinking water W in the joint 6a as bubbles.
- the air suction hole 73 is formed to have a smaller cross-sectional area than the water suction hole 72.
- the air suction hole 73 is provided so as to open at a position facing the water suction hole 72. If it does in this way, the air which flows in in the joint part 6a from the air suction hole 73 can be sheared by the flow of the drinking water which flowed in in the joint part 6a from the water suction hole 72, and can be efficiently bubbled.
- the air suction hole 73 may be provided so as to open on the downstream side (left side of the illustrated position) with respect to the water suction hole 72 of the joint portion 6a. Even in this case, the air flowing into the joint portion 6a from the air suction hole 73 can be sheared into bubbles by the flow of drinking water flowing into the joint portion 6a from the water suction hole 72.
- the diameter d 1 of the air suction hole 73 shown in FIG. 6 is 0.3mm or more and 2.0mm or less, preferably 0.5mm or more and 1.5mm or less.
- Air suction diameter d 1 of the holes 73 0.3 mm or more preferably by setting more than 0.5 mm, even using small pump 7 of the discharge pressure, the air A from the air suction hole 73 in the joint portion 6a Can be reliably introduced.
- 10 mm diameter d 2 of the water suction hole 72 or less preferably by setting below 8 mm, maintaining the joint portion 6a negative pressure in the suction force of the pump 7, through the air suction hole 73 in the joint portion 6a It becomes possible to make the entering air A into bubbles.
- a through hole 74 is formed that penetrates the joint 6a inward and outward.
- the diameter of the through hole 74 is set to 1.0 mm or less.
- a circumferential groove 75 is formed on the outer periphery of the joint portion 6a at a boundary position between the straight portion 70 and the distal end portion 71 to engage the claw portion 66 of the plug body 62.
- the through-hole 74 allows the air enclosed between the plug body 62 and the distal end portion 71 to flow into the joint portion. It escapes to the inside of 6a, and this makes the fitting of the plug body 62 to the tip part 71 of the joint part 6a smooth.
- the joint portion 6a is fixed to a cup portion 80 provided so as to surround the joint portion 6a.
- the cup part 80 is formed in a bottomed cylindrical shape that opens toward the water bottle 4, and the joint part 6 a passes through the bottom part.
- a tapered surface 81 is formed that expands toward the water bottle 4.
- the tapered surface 81 is provided even when the neck portion 43 of the water bottle 4 is displaced from the joint portion 6 a when the water bottle 4 is accommodated in the housing 1. Is directed toward the joint portion 6a.
- an ultraviolet light emitting portion 82 is provided at the base of the joint portion 6a.
- the ultraviolet light emitting part 82 sterilizes the drinking water W inside the joint part 6a and the inner surface of the joint part 6a by irradiating ultraviolet light.
- an ultraviolet LED or a mercury lamp can be used as the ultraviolet light emitting unit 82.
- the joint portion 6a is formed of a transparent material that transmits ultraviolet rays. Therefore, the ultraviolet rays emitted from the ultraviolet light emitting portion 82 in the joint portion 6a are also applied to the inner surface of the water outlet 14 of the water bottle 4, and sterilize the fitting surface between the water outlet 14 and the joint portion 6a. Accordingly, when the water bottle 4 is attached or detached (that is, when the joint portion 6a is removed from the water outlet 14 of the empty water bottle 4 and the water outlet 14 of the new water bottle 4 is connected to the joint portion 6a), It is possible to prevent contamination of germs inside the water bottle 4.
- a silicon tube may be used as the raw water pumping pipe 6 (excluding the joint portion 6a).
- silicon has oxygen permeability, the raw water is pumped by oxygen in the air that permeates silicon.
- the raw water pumping pipe 6 can be a metal pipe (for example, a stainless steel pipe or a copper pipe). If it does in this way, it will become possible to prevent that air permeate
- the pump 7 When the water level sensor 25 detects that the water level in the cold water tank 2 has fallen below a preset lower limit water level, the pump 7 is activated to draw drinking water W from the water bottle 4 and pass through the raw water pumping pipe. Drinking water W is pumped into the cold water tank 2. When the water level sensor 25 detects that the water level in the cold water tank 2 has reached a predetermined water level, the pump 7 stops.
- the water server increases the shrinkage amount of the water bottle 4 by discharging the air A inside the water bottle 4 together with the drinking water W as bubbles. Residual water inside the water bottle 4 can be suppressed. This will be described below.
- the pump 7 When the water level inside the water bottle 4 (that is, the position of the boundary between the air A and the drinking water W) is higher than the position of the air suction hole 73 provided in the joint portion 6a, the pump 7 The drinking water W is introduced into the joint portion 6a from both the air suction hole 73 and the water suction hole 72 by the suction force of.
- the air A introduced into the joint portion 6a enters the pump 7 through the raw water pumping pipe 6.
- the air A is mixed with the drinking water W as bubbles, there is no suction force of the pump 7. Don't be.
- the amount of air A inside the water bottle 4 is reduced by the amount discharged from the water bottle 4 as bubbles. Therefore, as shown in FIG. 9, when the water level inside the water bottle 4 falls to the position of the water suction hole 72, the amount of shrinkage of the water bottle 4 becomes large, and the remaining water amount of the water bottle 4 can be suppressed. Become.
- the air suction hole 73 is preferably formed to have a smaller cross-sectional area than the water suction hole 72. In this way, even if the pump 7 having a small discharge amount is used, the air A introduced into the raw water pumping pipe 6 from the air suction hole 73 can be made into bubbles, so that the pump 7 having a small size is employed. Can be low cost.
- the air suction hole 73 when the air suction hole 73 has the same cross-sectional area as that of the water suction hole 72 or a size larger than that, the air suction hole 73 is reduced when the discharge amount of the pump 7 is small.
- the air A introduced into the joint portion 6a does not become bubbles. Therefore, when the drinking water W inside the water bottle 4 is pumped out by the pump 7, the air A inside the water bottle 4 may not be discharged.
- the air suction hole 73 if the air suction hole 73 is formed to have a smaller cross-sectional area than the water suction hole 72, the air suction hole 73 can be removed from the air suction hole 73 even if the pump 7 having a small discharge amount is used.
- the air A introduced into the raw water pumping pipe 6 can be made into bubbles, and the air A inside the water bottle 4 can be discharged stably.
- the front door 13 is pulled forward, and the bottle support 5 is pulled out from the housing 1.
- the water outlet 14 of the water bottle 4 is separated from the joint portion 6 a fixed in the housing 1.
- the empty water bottle 4 is taken out from the bottle support portion 5.
- the neck portion 43 of the water bottle 4 in a full state is placed on the bottle support portion 5 in a sideways state.
- the neck portion 43 of the water bottle 4 is fitted into the notch 50 of the bottle support portion 5.
- the front door 13 is pushed to accommodate the bottle support 5 in the housing 1.
- the water outlet 14 of the water bottle 4 is fitted and connected to the joint portion 6a.
- the above water server can sterilize the raw water pumping pipe 6 by performing sterilization operation periodically, and can ensure hygiene over a long period of time. This sterilization operation will be described.
- the first switching valve 17 is switched to communicate between the first bypass pipe 18 and the pump 7, and the second switching valve 19 is switched to switch the raw water pumping pipe 6 and the second The bypass pipes 20 communicate with each other.
- the pump 7 is operated.
- hot drinking water in the hot water tank 3 passes through the first bypass pipe 18, the first switching valve 17, the raw water pumping pipe 6, the second switching valve 19, and the second bypass pipe 20 in this order, and the hot water tank 3.
- hot drinking water in the hot water tank 3 circulates through the raw water pumping pipe 6.
- the temperature of the circulating drinking water can be maintained at a high temperature suitable for sterilization by energizing the heating device 37 of the hot water tank 3.
- the drinking water inside the raw water pumping pipe 6, the inner surface of the raw water pumping pipe 6, and the inside of the pump 7 can be thermally sterilized.
- the pump 7 is stopped, and as shown in FIG. 1, the first switching valve 17 is switched to communicate between the joint portion 6a and the pump 7, and the second switching valve 19 is switched.
- the raw water pumping pipe 6 and the cold water tank 2 are communicated to return to the normal operation state.
- the water server 4 is separated from the end of the raw water pumping pipe 6, and when the bottle support 5 is accommodated in the housing 1.
- the water bottle 4 is connected to the end of the raw water pumping pipe 6. That is, it is not necessary for the raw water pumping pipe 6 to follow the movement of the bottle support 5. Therefore, it is possible to shorten the raw water pumping pipe 6 and prevent germs from breeding in the raw water pumping pipe 6.
- the water server does not require the raw water pumping pipe 6 to follow the movement of the bottle support 5, so that it is not necessary to use a spiral tube or a flexible tube for the raw water pumping pipe 6. It is possible to employ a hard material. Therefore, it is possible to use a metal pipe (stainless steel pipe, copper pipe, etc.) extremely excellent in oxygen barrier property and heat resistance as the raw water drawing pipe 6.
- the above water server restrains the movement of the water outlet 14 of the water bottle 4 by the restraining portion 52 of the bottle support portion 5, when the water outlet 14 of the water bottle 4 connects to the joint portion 6a, It is possible to prevent the water outlet 14 from escaping due to the deformation of the flexible water bottle 4, and the connection operation of the joint portion 6a can be performed stably.
- the raw water pumping pipe 6 is provided so as to pass through a position lower than the joint part 6a, and the pump 7 is arranged in a part lower than the joint part 6a of the raw water pumping pipe 6. Therefore, when the water outlet 14 of the water bottle 4 is cut off from the joint portion 6a, the drinking water W remaining in the raw water pumping pipe 6 can be prevented from flowing out of the joint portion 6a by its own weight. It is possible.
- the installation space of the water server can be reduced, but the direction in which the bottle support portion 5 is taken in and out of the housing 1 is It can also be configured to be in the left-right direction.
- the water bottle 4 is set in a state where the water outlet 14 of the water bottle 4 is oriented horizontally, and the water server connecting the joint portion 6a extending horizontally to the water outlet 14 is described as an example.
- the present invention is a water server that sets the water bottle 4 with the water outlet 14 of the water bottle 4 facing diagonally upward, or a water server that sets the water bottle 4 with the water outlet 14 of the water bottle 4 facing diagonally downward. It can be similarly applied to.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
Description
残水量の減少に伴って収縮するように柔軟性をもたせて形成された交換式の水ボトルに接続される原水汲出し管と、その原水汲出し管を通じて前記水ボトルから飲料水を汲み出すポンプとを有するウォーターサーバーであって、
前記原水汲出し管は、
前記水ボトルに接続された状態で、前記水ボトルの内部の飲料水を原水汲出し管内に導入する水吸込み孔と、
前記水ボトルの内部の水位が前記水吸込み孔の位置よりも高いときに、前記水ボトルの内部の空気を、前記原水汲出し管内の飲料水に気泡として導入する空気吸込み孔と、
を有する構成を採用したのである。
6 原水汲出し管
7 ポンプ
72 水吸込み孔
73 空気吸込み孔
W 飲料水
Claims (2)
- 残水量の減少に伴って収縮するように柔軟性をもたせて形成された交換式の水ボトル(4)に接続される原水汲出し管(6)と、その原水汲出し管(6)を通じて前記水ボトル(4)から飲料水(W)を汲み出すポンプ(7)とを有するウォーターサーバーであって、
前記原水汲出し管(6)は、
前記水ボトル(4)に接続された状態で、前記水ボトル(4)の内部の飲料水(W)を原水汲出し管(6)内に導入する水吸込み孔(72)と、
前記水ボトル(4)の内部の水位が前記水吸込み孔(72)の位置よりも高いときに、前記水ボトル(4)の内部の空気(A)を、前記原水汲出し管(6)内の飲料水(W)に気泡として導入する空気吸込み孔(73)と、
を有することを特徴とするウォーターサーバー。 - 前記空気吸込み孔(73)は、前記水吸込み孔(72)よりも小断面積となるように形成されている請求項1に記載のウォーターサーバー。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020157026506A KR20150124975A (ko) | 2013-03-05 | 2013-12-12 | 워터 서버 |
EP13876954.2A EP2966028A4 (en) | 2013-03-05 | 2013-12-12 | WATER DISPENSER |
US14/772,109 US20160009536A1 (en) | 2013-03-05 | 2013-12-12 | Water dispenser |
CN201380073969.5A CN105189332A (zh) | 2013-03-05 | 2013-12-12 | 饮水机 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013-042947 | 2013-03-05 | ||
JP2013042947A JP5520404B1 (ja) | 2013-03-05 | 2013-03-05 | ウォーターサーバー |
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WO2014136346A1 true WO2014136346A1 (ja) | 2014-09-12 |
Family
ID=51031348
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PCT/JP2013/083330 WO2014136346A1 (ja) | 2013-03-05 | 2013-12-12 | ウォーターサーバー |
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US (1) | US20160009536A1 (ja) |
EP (1) | EP2966028A4 (ja) |
JP (1) | JP5520404B1 (ja) |
KR (1) | KR20150124975A (ja) |
CN (1) | CN105189332A (ja) |
TW (1) | TW201441141A (ja) |
WO (1) | WO2014136346A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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ZA201409085B (en) * | 2013-12-11 | 2015-11-25 | Bergen Broodryk | Fluid dispensing apparatus and system |
KR102490499B1 (ko) * | 2016-03-17 | 2023-01-19 | 최병철 | 음료기기의 착탈식 급수유닛 |
DE102018209743A1 (de) * | 2018-06-18 | 2019-12-19 | Siemens Aktiengesellschaft | Wasserversorgungsanlage für ein Schienenfahrzeug |
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JPH04363571A (ja) * | 1991-06-07 | 1992-12-16 | Hoshizaki Electric Co Ltd | 冷飲料供給装置 |
JP2008273605A (ja) | 2007-05-02 | 2008-11-13 | Cosmo Life:Kk | 飲料ディスペンサ用カートリッジ容器の支持具 |
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US4318497A (en) * | 1980-06-23 | 1982-03-09 | Nalco Chemical Company | Corrugated shipping container for viscous refractory slurries and discharge apparatus therefor |
US4375864A (en) * | 1980-07-21 | 1983-03-08 | Scholle Corporation | Container for holding and dispensing fluid |
FR2732003B1 (fr) * | 1995-03-20 | 1997-06-06 | Mistral Distribution | Fontaine distributrice de boisson |
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CN2920112Y (zh) * | 2006-07-03 | 2007-07-11 | 于乔治 | 带有热水杀菌系统的桶装水饮水机 |
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2013
- 2013-03-05 JP JP2013042947A patent/JP5520404B1/ja active Active
- 2013-12-12 CN CN201380073969.5A patent/CN105189332A/zh active Pending
- 2013-12-12 WO PCT/JP2013/083330 patent/WO2014136346A1/ja active Application Filing
- 2013-12-12 KR KR1020157026506A patent/KR20150124975A/ko not_active Application Discontinuation
- 2013-12-12 US US14/772,109 patent/US20160009536A1/en not_active Abandoned
- 2013-12-12 EP EP13876954.2A patent/EP2966028A4/en not_active Withdrawn
-
2014
- 2014-01-22 TW TW103102367A patent/TW201441141A/zh unknown
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JPH01267195A (ja) * | 1988-04-05 | 1989-10-25 | Kirin Brewery Co Ltd | ディスペンサ |
JPH04363571A (ja) * | 1991-06-07 | 1992-12-16 | Hoshizaki Electric Co Ltd | 冷飲料供給装置 |
JP2008273605A (ja) | 2007-05-02 | 2008-11-13 | Cosmo Life:Kk | 飲料ディスペンサ用カートリッジ容器の支持具 |
JP2013180809A (ja) * | 2012-03-02 | 2013-09-12 | Cosmo Life:Kk | ウォーターサーバー |
Also Published As
Publication number | Publication date |
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CN105189332A (zh) | 2015-12-23 |
KR20150124975A (ko) | 2015-11-06 |
JP2014169119A (ja) | 2014-09-18 |
US20160009536A1 (en) | 2016-01-14 |
JP5520404B1 (ja) | 2014-06-11 |
TW201441141A (zh) | 2014-11-01 |
EP2966028A4 (en) | 2016-07-20 |
EP2966028A1 (en) | 2016-01-13 |
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