CN102781814B - Water dispenser - Google Patents
Water dispenser Download PDFInfo
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- CN102781814B CN102781814B CN201180011912.3A CN201180011912A CN102781814B CN 102781814 B CN102781814 B CN 102781814B CN 201180011912 A CN201180011912 A CN 201180011912A CN 102781814 B CN102781814 B CN 102781814B
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- water dispenser
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- 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
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- 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
- B67D3/0009—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes provided with cooling arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
- C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/40—Adsorbents within the flow path
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- 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
- B67D2210/00002—Purifying means
- B67D2210/00005—Filters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Devices For Dispensing Beverages (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides and a kind ofly simple structure can be utilized to prevent bacterium class to enter along with the importing of extraneous air and the anti-bacteria class water dispenser of breeding in water dispenser.For this reason; in water dispenser; as the air filter (1) that extraneous air imports; use and protection porous membrane is fixed on the two-sided air filter formed that aperture is the fluorocarbon resin porous membrane of 0.2 μm ~ 0.8 μm; and; in case, be provided with the antibacterial component (2) multiple particulate anti-bacterial agents being sealed in water permeability porous bag, particulate anti-bacterial agent is made up of Low Density Polyethylene and the ion exchanger making silver ion and zeolite carry out ionic bond.
Description
Technical field
The present invention relates to a kind of drinking-water container from installing in replaceable mode and water can be taken water dispenser (drinkingwaterserver) to cup etc., it can prevent entering of bacterium class and can the breeding of anti-bacteria class.
Background technology
In the past, used water dispenser in job market etc., and in water dispenser, in replaceable mode, drinking-water container was installed, the potable water of requirement can be taken to cup etc. from said vesse when needed.As above-mentioned drinking-water container, usually use the hard type (gallon bottle-type) that can not be out of shape.
Such as, as shown in Figure 8, the container connecting portion 11 be connected with the oral area of above-mentioned drinking-water container B with free handling mode is located at top by this water dispenser, in the below of this container connecting portion 11, be provided with the cold water storage cistern 12 for storing the potable water flowed down from said vesse B and hot well 13, and be provided with the cold water side water outlet (tap: faucet) 14a and hot water side water outlet (tap) 14b(in fig. 8, hot water side water outlet 14b is hidden in after cold water side water outlet 14a) of taking the potable water be stored in above-mentioned each case 12,13 respectively.In addition, be provided with via said vesse connecting portion 11 and the external air introducing ports 15 be communicated with in above-mentioned drinking-water container B, be provided with air filter 16 with the state covering this external air introducing ports 15.
Said vesse connecting portion 11 is formed as double tubular, and outside is formed as the chimeric cylindrical body 11a having bottom tube-like be fitted together to for the oral area of above-mentioned container B, and inner side is then formed as the insertion cylindrical body 11b having top tubular be inserted in the oral area of said vesse B.The perisporium of the insertion cylindrical body 11b inside this is formed with the through hole 11c of air circulation and the through hole 11d of potable water circulation, is formed with peristome 11e in bottom surface.Above-mentioned hot well 13 is the seal casing of water tightness, and it is configured at the below of cold water storage cistern 12, is communicated with the inside of connection pipe 17 by the bottom of cold water storage cistern 12 and hot well 13.Above-mentioned cold water storage cistern 12 is the case of open-top, the central portion of the short transverse in this cold water storage cistern 12, be formed with through hole at central part, the disconnector (separator) 18 of the circular plate-like shape integrated with relay pipe 19 is configured with the state being formed with gap between all sidewalls of cold water storage cistern 12.Further, by relay pipe 19, the through hole of the central part of this disconnector 18 is connected with above-mentioned connection pipe 17.In addition, be wound with cooling pipe 12a at the outer surface of all sidewalls of cold water storage cistern 12, at the outer surface of all sidewalls of hot well 13, be wound with temperature booster 13a.
Use above-mentioned water dispenser in the following manner.That is, first, the oral area of above-mentioned drinking-water container B is connected with the container connecting portion 11 on the top being located at water dispenser, this drinking-water container B is arranged on the top of above-mentioned water dispenser.So, air passes air circulation through hole 11c from the insertion of container connecting portion 11 with the peristome 11e of the bottom surface of cylindrical body 11b, enter in said vesse B, further, the peristome 11e that the potable water in this container B passes bottom surface from the potable water circulation through hole 11d of the insertion cylindrical body 11b of said vesse connecting portion 11 flows down.First the above-mentioned potable water flowed down through the through hole of disconnector 18, the gap disconnector 18 and all sidewalls of cold water storage cistern 12, enters hot well 13 and cold water storage cistern 12.Thus, potable water is stored in cold water storage cistern 12, the water surface of this potable water rises.And when this water surface exceedes disconnector 18 and arrives the bottom surface of container connecting portion 11, the peristome 11e of this bottom surface of shutoff, stops potable water flowing down from said vesse B.Then, in this condition, potable water is taken from above-mentioned cold water side water outlet 14a or hot water side water outlet 14b.So, the water surface being in the potable water above disconnector 18 declines, and removes the shutoff of this water surface to peristome 11e.Therefore, same as described above, air enters in said vesse B from container connecting portion 11, and potable water flows down from the oral area of said vesse B.Then, the water intaking from above-mentioned water outlet 14a, 14b is stopped.So the water surface of potable water rises above disconnector 18, when this water surface arrives the bottom surface of container connecting portion 11, the peristome 11e of above-mentioned bottom surface, once again by shutoff, stops flowing down of potable water.So, utilize above-mentioned water dispenser, potable water can be taken from said vesse B.
, enter the air in said vesse B herein, only can be imported from the outside of water dispenser by air filter 16.Now, above-mentioned air filter 16 prevents dust etc. from entering in water dispenser from outside.As this air filter 16, use the mesh such as nonwoven fabrics or sponge comparatively thick (aperture is larger) and the good filter of aeration.When using the thinner filter of mesh, because aeration is poor and cannot import sufficient air (extraneous air) in above-mentioned container B, potable water thus cannot be made suitably to flow down from said vesse B, the access at water outlet 14a, 14b place is worsened.
But, when carrying out the importing of said external air by the thicker person of the mesh such as nonwoven fabrics or sponge, although entering of the larger material such as dust can be prevented, but, fully cannot prevent entering of the relatively little biology such as bacterium class.In addition, bacterium class not only can be entered by above-mentioned air filter 16, also there is situation about entering from above-mentioned water outlet 14a, 14b because of contact water outlet 14a, the 14b such as hand, finger.When frequently fetching water, because potable water can stir in water dispenser, the bacterium class entered is difficult to breeding, but do not carry out the time period of taking at night etc., the potable water in water dispenser can not stir, and bacterium class is easily bred.
Therefore, in order to carry out sterilization to above-mentioned bacterium class, propose a kind of water dispenser with heating arrangement (such as, with reference to patent documentation 1,2), there is the water dispenser of ultraviolet lamp (such as, with reference to patent documentation 3), there is the water dispenser of ozone generating-device (such as, with reference to patent documentation 4) and there is the water dispenser (for example, referring to patent documentation 5) etc. of plasma generator and other sterilizing unit.
Patent documentation 1: Japanese Unexamined Patent Publication 2006-076662 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2009-083871 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2009-083868 publication
Patent documentation 4: Japanese Patent No. 4317259 publication
Patent documentation 5: the practical new case of Japan logs in No. 3110564 publication
But the above-mentioned piping system with the water dispenser of heating arrangement is very complicated, and not only water dispenser itself is expensive, also there is power consumption increase, a problem etc. that the higher such problem of operating cost, heating arrangement on period cannot use water dispenser such.In addition, there is the problem etc. that ultraviolet is harmful to such problem to human body and eyeball, ultraviolet causes the deterioration of the resin parts in water dispenser, rubber part such in the water dispenser with ultraviolet lamp.In addition, in the water dispenser with ozone generating-device, because ozone gas is not useful to human body, thus exist and the restricted such problem of concentration of ozone gas, ozone are had to unique stink and damages the such problem etc. of potable water taste.In addition, because the water dispenser with plasma generator and other sterilizing unit makes multiple sterilizing unit operate simultaneously, thus, there is energy consumption problem more so, the very complicated such problem of device.
Summary of the invention
The present invention considers above-mentioned situation and makes, and its object is to provide a kind of and simple structure can be utilized to enter and the anti-bacteria class water dispenser of breeding in water dispenser to prevent bacterium class from importing along with extraneous air.
To achieve these goals, water dispenser of the present invention, comprising: container connecting portion, and it is connected with the oral area of free handling mode with drinking-water container; Case, it is located at the below of this container connecting portion, for storing the potable water flowed down from said vesse; Water outlet, it is for taking the potable water be stored in this case; External air introducing ports, it is communicated with in above-mentioned drinking-water container via said vesse connecting portion; Air filter, it is arranged with the state covering this external air introducing ports, and this water dispenser adopts following structure: above-mentioned air filter is the air filter of following (A), is provided with the antibacterial component of following (B) in above-mentioned case.
(A) the protection porous membrane that air filter carries on the back two sides by fluorocarbon resin porous membrane and the table being fixed on this fluorocarbon resin porous membrane is formed; the aperture of above-mentioned fluorocarbon resin porous membrane is set in the scope of 0.2 μm ~ 0.8 μm, the aperture of above-mentioned protection porous membrane is set as more than the aperture of above-mentioned fluorocarbon resin porous membrane.
(B) antibacterial component is made up of multiple particulate anti-bacterial agent and the water permeability porous bag being sealed with these particulate anti-bacterial agents, and above-mentioned particulate anti-bacterial agent is made up of Low Density Polyethylene and the ion exchanger making silver ion and zeolite carry out ionic bond.
The present inventor realizes the administration of health of water dispenser to utilize simple structure but not adopts the method for the bacterium class entered being carried out to sterilization in water dispenser in the past, but expect adopting the method preventing bacterium class from entering along with extraneous air importing, further, adopt and suppress because of the hand of people, abutment water outlet and cause bacterium class to enter in water dispenser the method that the breeding of bacterium class occurs from this water outlet.
Therefore, first, enter to prevent bacterium class from importing along with extraneous air, the formation material, structure etc. of the present inventor to air filter have carried out repeatedly studying.In this process, if find using fluorocarbon resin as formation material, even if then aperture is less, also can manufacture the porous membrane of aeration excellence.And due to the excellent water resistance of fluorocarbon resin, thus it is applicable to the water dispenser using water.Further, in order to protect above-mentioned fluorocarbon resin porous membrane and maintain filter capability, expect protection porous membrane to be fixed on the two-sided of above-mentioned fluorocarbon resin porous membrane.Further, according to this conception, carried out further repeatedly studying.Its result; find following conclusion; namely; be fixed with in the air filter of protection porous membrane the two-sided of above-mentioned fluorocarbon resin porous membrane; if the aperture of above-mentioned protection porous membrane is set as more than the aperture of above-mentioned fluorocarbon resin porous membrane in the scope aperture of above-mentioned fluorocarbon resin porous membrane being set in 0.2 μm ~ 0.8 μm, then can guaranteeing aeration fully for a long time and prevent bacterium class from importing along with extraneous air while maintaining access and enter.
In addition, although food poisoning bacterias etc. are less than 0.2 μm ~ 0.8 μm, the aperture of above-mentioned fluorocarbon resin porous membrane, but, because the effect and above-mentioned food poisoning bacteria etc. of electrostatic is through the effect of inertial impaction during fluorocarbon resin porous membrane and Brownian movement, can imagine food poisoning bacteria etc. cannot through this fluorocarbon resin porous membrane.
Then, in order to anti-bacteria class is bred in water dispenser, the present inventor expects arranging antibacterial component in the case of water dispenser, and formation material, structure etc. for this antibacterial component have carried out repeatedly studying.Its result, find following conclusion, namely, if utilize multiple particulate anti-bacterial agent and be sealed with the water permeability porous bag of these particulate anti-bacterial agents to form above-mentioned antibacterial component, and with Low Density Polyethylene and make silver ion and zeolite carry out the ion exchanger of ionic bond to form above-mentioned particulate anti-bacterial agent, then above-mentioned particulate anti-bacterial agent can discharge above-mentioned silver ion in water, utilizes the effect of this silver ion, can anti-bacteria class breed in water dispenser.And, also find that above-mentioned particulate anti-bacterial agent can not cause harmful effect to human body.
Namely, the present inventor finds by above-mentioned specific air filter is arranged above-mentioned specific antibacterial component as the air filter of water dispenser in the case of water dispenser, simple structure can be utilized to enter to prevent bacterium class from importing along with extraneous air, and, anti-bacteria class can breed in water dispenser, thus complete the present invention.
In water dispenser of the present invention, owing to carrying out extraneous air importing by the air filter of above-mentioned (A), thus, can prevent bacterium class from importing along with extraneous air and entering.Further, owing to being located in case by the antibacterial component of above-mentioned (B), even if bacterium class enters from water outlet, it also can be suppressed to breed.Further, the complicated sterilizing units such as the heating arrangement of water dispenser different from the past, can utilize simple structure to realize the administration of health undertaken by the antibacterial component of the air filter of above-mentioned (A) and above-mentioned (B).Therefore, there is the advantage safeguarding that easy and administration of health does not use electric power such.
Particularly; in the air filter of above-mentioned (A); in the scope being set in 120 μm ~ 170 μm in the scope thickness of above-mentioned fluorocarbon resin porous membrane being set in 1 μm ~ 15 μm and by the thickness of above-mentioned protection porous membrane, the venting capability of above-mentioned air filter more suitably can be made to enter with bacterium class and to prevent the balanced of performance.
And, in the antibacterial component of above-mentioned (B), the formation Low Density Polyethylene of above-mentioned particulate anti-bacterial agent and the ratio (Low Density Polyethylene/ion exchanger) of ion exchanger are set in the scope of (70 % by weight/30 % by weight) ~ (95 % by weight/5 % by weight), the mean diameter of above-mentioned particulate anti-bacterial agent is set in the scope of 3mm ~ 10mm, the aperture of above-mentioned water permeability porous bag is set in the scope of 50 μm ~ 100 μm, when volume ratio shared by the above-mentioned particulate anti-bacterial agent of above-mentioned water permeability porous bag inside is set in the scope of 30% ~ 70%, the bacterium class Reproduction suppression performance of above-mentioned antibacterial component can be improved further.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the embodiment schematically showing water dispenser of the present invention.
Fig. 2 is the cutaway view of the air filter schematically shown for above-mentioned water dispenser.
Fig. 3 is amplification and schematically shows the cutaway view of the external air introducing ports part for installing above-mentioned air filter.
Fig. 4 is the block diagram of the antibacterial component schematically shown for above-mentioned water dispenser.
Fig. 5 is the chart representing the accumulation filter's flow of embodiment and the relation of fine pore.
Fig. 6 is the chart representing the fine pore distribution of embodiment and the relation of average pore size.
Fig. 7 is the chart of the analysis result of the clump count of the common viable bacteria representing embodiment and comparative example.
Fig. 8 is the cutaway view of the water dispenser schematically shown in the past.
Detailed description of the invention
Below, embodiments of the present invention are explained with reference to accompanying drawing.
Fig. 1 is the cutaway view of the embodiment schematically showing water dispenser of the present invention.As shown in Figure 1, this water dispenser is identical with water dispenser (with reference to Fig. 8) in the past, is provided with container connecting portion 11, cold water storage cistern 12, hot well 13, cold water side water outlet 14a, hot water side water outlet 14b, external air introducing ports 15 and air filter 1 etc.For identical part, mark identical Reference numeral, and the description thereof will be omitted.And; in water dispenser preferably; as Fig. 2 enlargedly shown in; one of feature of the present invention is; above-mentioned air filter 1 is made up of fluorocarbon resin porous membrane 1a and the two-sided protection porous membrane 1b being fixed on this fluorocarbon resin porous membrane 1a, use the aperture of above-mentioned fluorocarbon resin porous membrane 1a is set in 0.2 μm ~ 0.8 μm scope in and the aperture of above-mentioned protection porous membrane 1b is set as the air filter in more than the aperture of above-mentioned fluorocarbon resin porous membrane 1a.In this embodiment, as shown in Figure 3 (in Fig. 3, the air filter 1 of above-mentioned 3 layers of structure is depicted as 1 layer), above-mentioned air filter 1 is heat fused in extraneous air importing cylindrical body 3 to cover by the mode being installed on the hollow bulb (stream of extraneous air) of the extraneous air importing cylindrical body 3 of external air introducing ports 15 airtightly.Further, this air filter 1 is covered by lid 4 with the state that can ventilate (arrow with reference to illustrated in Fig. 3).
Further, in the water dispenser of present embodiment, above-mentioned usual water dispenser (with reference to Fig. 8) untapped antibacterial component 2 is in the past arranged on the disconnector 18 in cold water storage cistern 12.As shown in Figure 4, this antibacterial component 2 forms (in addition by multiple particulate anti-bacterial agent 2a and the water permeability porous bag 2b being sealed with these particulate anti-bacterial agents 2a, in the diagram, illustrate the above-mentioned particulate anti-bacterial agent 2a of lesser amt), above-mentioned particulate anti-bacterial agent 2a is made up of Low Density Polyethylene and the ion exchanger making silver ion and zeolite carry out ionic bond.Being arranged at by above-mentioned antibacterial component 2 in case (in the present embodiment, being cold water storage cistern 12) is another feature of the present invention.
As implied above, the larger feature of water dispenser of the present invention adopts above-mentioned specific air filter 1 as air filter 1 and is arranged in the case of water dispenser by above-mentioned specific antibacterial component 2.
Be described in further detail.As forming above-mentioned air filter 1(with reference to Fig. 2) the formation material (fluorocarbon resin) of fluorocarbon resin porous membrane 1a, it is polytetrafluoroethylene (PTFE) preferably.Such as by fluorocarbon resin half sintered body being carried out more than 50 times biaxial stretch-formed and manufacturing this fluorocarbon resin porous membrane 1a with the heat treatment that the temperature more than melting point of fluorocarbon resin is carried out.Thus, the fluorocarbon resin porous membrane 1a of aperture in the scope of 0.2 μm ~ 0.8 μm is manufactured.
Herein, such as, Vesicular protein can be utilized to confirm the aperture (in the scope of 0.2 μm ~ 0.8 μm) of above-mentioned fluorocarbon resin porous membrane 1a.Carry out this Vesicular protein as described as follows.That is, first, under atmospheric pressure, above-mentioned fluorocarbon resin porous membrane 1a is made to impregnated in the test solution of fluorine system.Then, this fluorocarbon resin porous membrane 1a is installed on adapter (adapter), and this adapter is installed on the sample chamber of porous material many physical property apparatus for evaluating.Afterwards, above-mentioned porous material many physical property apparatus for evaluating is utilized to measure, until reach maximum pressure or maximum flow the detection of maximum fine pore and wet flow curve (WET curve).Further, above-mentioned porous material many physical property apparatus for evaluating is utilized to measure, until reach maximum pressure or maximum flow drying curve (DRY curve).So, utilize above-mentioned measurement can obtain the distribution in the aperture of above-mentioned fluorocarbon resin porous membrane 1a, utilize this distribution, the scope in above-mentioned aperture can be confirmed.
Further, be fixed on nonwoven fabrics that the two-sided protection porous membrane 1b of above-mentioned fluorocarbon resin porous membrane 1a is preferably made up of resin or weave cotton cloth.As this resin, making from the said external air importing cylindrical body 3 that can be heat fused in for installing above-mentioned air filter 1 the simple viewpoint of its installation constitution consider, preferably above-mentioned resin being set to identical with the resin material of said external air importing cylindrical body 3.As this resin, such as, polyethylene can be enumerated.
Further, as the method for the two-sided fixing protection porous membrane 1b at fluorocarbon resin porous membrane 1a, such as, make protection porous membrane 1b overlap the two-sided of fluorocarbon resin porous membrane 1a and carry out heating crimping.As mentioned above, the air filter 1 manufactured so is not only guaranteed aeration fully and has the performance that can prevent bacterium class from entering.Further, as mentioned above, due to the aperture of above-mentioned protection porous membrane 1b is set to above-mentioned fluorocarbon resin porous membrane 1a aperture more than, thus, above-mentioned performance is the performance depending on above-mentioned fluorocarbon resin porous membrane 1a.Further, from the view point of the above-mentioned performance of raising, preferably the thickness of this fluorocarbon resin porous membrane 1a is set in the scope of 1 μm ~ 15 μm, is more preferably 2 μm ~ about 9 μm.Further, preferably the thickness of above-mentioned protection porous membrane 1b is set in the scope of 120 μm ~ 170 μm, is more preferably about 145 μm.
Herein, such as, electric field emission type scanning electron microscope can be utilized to confirm the thickness (in the scope of 1 μm ~ 15 μm) of above-mentioned fluorocarbon resin porous membrane 1a.That is, first, because above-mentioned fluorocarbon resin porous membrane 1a is very thin and have flexibility, thus, carry out resin embedding to this fluorocarbon resin porous membrane 1a to endure with all one's will to make above-mentioned fluorocarbon resin porous membrane 1a.Then, Cross section polishing instrument (Crosssectionpolisher) (CP) is utilized to form the cross section of this fluorocarbon resin porous membrane 1a.This Cross section polishing instrument is the device utilizing the irradiation of ion beam to carry out Formation cross-section, and it uses when so that test portion can be caused during mechanical lapping Formation cross-section to be out of shape.Further, utilize above-mentioned this cross section of electric field emission type sem observation, the scope of above-mentioned thickness can be confirmed.In addition, charged in order to what alleviate in this observation, also platinum can be coated on the cross section of above-mentioned fluorocarbon resin porous membrane 1a.
In addition, above-mentioned air filter 1 has and in JISZ8122, is defined as the ULPA(UltraLowPenetrationAir of " have the air filter of following performance; its particle being 0.15 μm to particle diameter under nominal air delivery has the particle collection rate of more than 99.9995%, and initial pressure loss being for below 245Pa ") the equal performance of filter.The value less expression aeration of above-mentioned loss of pressure is more excellent.
Further, with said external air importing cylindrical body 3(reference Fig. 3 of above-mentioned air filter 1 thermal welding) be made up of the large-diameter portion 3a on top and the minor diameter 3b of bottom, the boundary member of these large-diameter portion 3a and minor diameter 3b is formed as stage portion.The circumference of the air filter 1 of above-mentioned circle is heat fused in this stage portion (bottom part of large-diameter portion).Further, at the upper end open edge of large-diameter portion 3a, be configured with the protuberance 3c of 4 (because Fig. 3 is cutaway view, thus illustrating two) equably, the upper surface of these protuberances 3c supports above-mentioned lid 4 in the mode of the circumference supporting the end face of above-mentioned lid 4.And the gap between adjacent protuberance 3c becomes the stream (with reference to graphic arrow in Fig. 3) of extraneous air and is connected with the hollow bulb of said external air importing cylindrical body 3.In addition, in Fig. 3, Reference numeral 3d is the O-ring seals of the outer peripheral face being installed on said external air importing cylindrical body 3, thus, under the state that said external air importing cylindrical body 3 is installed on external air introducing ports 15, make to be formed as airtight between the outer peripheral face of said external air importing cylindrical body 3 and the inner peripheral surface of external air introducing ports 15.Further, said external air importing cylindrical body 3 is freely loaded and unloaded on external air introducing ports 15.
Above-mentioned lid 4 has been formed as top tubular.The end face of lid 4 is formed as the curved surface reduced gradually from central part towards circumference, utilizes this curved surface, can prevent dust, water droplet etc. from lodging in end face.And, at the inside face of all sides of above-mentioned lid 4, be configured with 4 equably freely to engage the engagement pawl (not shown) that the mode departed from is sticked in the lower end circumference of the large-diameter portion 3a of said external air importing cylindrical body 3, utilize this engagement pawl that lid 4 is installed on said external air importing cylindrical body 3 with free handling mode.Further, by above-mentioned lid 4 being installed in the mode covering above-mentioned air filter 1 top of said external air importing cylindrical body 3, thus the ingress of air such as dust, water droplet filter 1 is prevented.
On the other hand, such as, with about 100 DEG C, above-mentioned Low Density Polyethylene is carried on to the ion exchanger above-mentioned silver ion and zeolite being carried out ionic bond and the powder of about 100 μm that formed carries out hot forming, ldpe resin all melting and remain space state under manufacture form above-mentioned antibacterial component 2(with reference to Fig. 4) particulate anti-bacterial agent 2a.And, from the view point of the breeding of anti-bacteria class, preferably the ratio (Low Density Polyethylene/ion exchanger) of Low Density Polyethylene and ion exchanger is set in the scope of (70 % by weight/30 % by weight) ~ (95 % by weight/5 % by weight), is more preferably (90 % by weight/10 % by weight) left and right.Further, preferably the mean diameter of above-mentioned particulate anti-bacterial agent 2a is set in the scope of 3mm ~ 10mm, is more preferably about 6mm.The quality of the particulate anti-bacterial agent 2a of this mean diameter 6mm is about 53.3mg/.In addition, as above-mentioned ion exchanger, such as, the ion exchanger shown in following chemical formula (1) can be enumerated.Further, the content of the silver in above-mentioned particulate anti-bacterial agent 2a is preferably 0.1 % by weight ~ 0.5 % by weight, is more preferably in the scope of 0.2 % by weight ~ 0.3 % by weight.Further, above-mentioned mean diameter obtains in the following manner, that is, for any 10 particulate anti-bacterial agent 2a, measure the diameter at any 1 position, get the aviation value of the diameter at these positions with beam trammel.
chemical formula 1
M
2/nO·Na
2O·Al
2O
3·2SiO
2·xH
2O…（1）
(M:Ag, Zn and NH
3)
(n:1 or 2, according to the difference of the kind of M and different)
(x: arbitrary natural number)
Herein, such as, ICP luminescence analysis can be utilized to confirm the content (in the scope of 0.1 % by weight ~ 0.5 % by weight) of the silver in above-mentioned particulate anti-bacterial agent 2a.That is, first, sulfuric acid is added to above-mentioned particulate anti-bacterial agent 2a, make this particulate anti-bacterial agent 2a ashing.Then, after fluoric acid process is carried out to the material of this ashing, melt with potassium acid sulfate.Then, be dissolved in dust technology, then carry out constant volume with pure water.Further, put in ICP luminescence analyzer, the content of above-mentioned silver can be confirmed.
Further, the nonwoven fabrics that the water permeability porous bag 2b forming above-mentioned antibacterial component 2 is preferably made up of resin or weave cotton cloth.As above-mentioned resin, from the view point of intensity etc., it is preferably such as polyethylene terephthalate (polyethyleneterephthalate) and poly compound material material.Further, preferably by the quality settings of above-mentioned nonwoven fabrics etc. at 17.0g/m
2~ 27.0g/m
2scope in, be more preferably 22.4g/m
2.Preferably the thickness of above-mentioned nonwoven fabrics etc. is set in the scope of 0.05mm ~ 0.15mm, is more preferably 0.10mm.Further, from the view point of making water permeability good, preferably the aperture of above-mentioned nonwoven fabrics etc. is set in the scope of 50 μm ~ 100 μm.
Such as, further, by sealing the circumference of this nonwoven fabrics etc. with coated particulate anti-bacterial agent 2a such as above-mentioned nonwoven fabrics and become and bag-shaped particulate anti-bacterial agent 2a is sealed in above-mentioned water permeability porous bag 2b.From more suitably carrying out the contact of above-mentioned particulate anti-bacterial agent 2a and potable water with the breeding of further anti-bacteria class, and, the more suitable viewpoint of the permeability of potable water in above-mentioned antibacterial component 2 is set out, preferably the volume ratio shared by the above-mentioned particulate anti-bacterial agent 2a of above-mentioned water permeability porous bag 2b inside is set in the scope of 30% ~ 70%.
In addition, in the present embodiment, above-mentioned antibacterial component 2 is arranged on the disconnector 18 in cold water storage cistern 12, but, also can be arranged under disconnector 18.
Further, in the above-described embodiment, cold water storage cistern 12 and these two casees of hot well 13 are provided with, but, the case of any one wherein also can be only set.In this situation, owing to not needing above-mentioned disconnector 18, the setting position of above-mentioned antibacterial component 2 can be the optional position in case.
Then, cooperatively embodiment is described with comparative example.But the present invention is not limited to embodiment.
embodiment
Prepare the water dispenser shown in Fig. 1.Make the air filter manufactured with the following methods, namely, by polyethylene porous membrane (thickness is 145 μm) being heated the two-sided sheet material formed being crimped on PTFE porous membrane (thickness is 10 μm), [Daikin Co., Ltd manufactures, ニ ュ mono-ロ Off ァ イ Application (registered trade mark (RTM)), aggregate thickness is 300 μm) stamping-out becomes the air filter of the circle of diameter 22.8mm.Utilize the aperture of Vesicular protein to the PTFE porous membrane of above-mentioned air filter to confirm, result, this aperture is formed in the scope of 0.2 μm ~ 0.8 μm.Further, above-mentioned air filter meets the following conditions, that is, the particle collection rate more than 99.9995% of the ulpa filter of JISZ8122 defined and initial pressure loss below 245Pa.And, the mode of the hollow bulb (stream of extraneous air) of extraneous air importing cylindrical body is covered in the air filter of above-mentioned circle, (vibrating machine power is 1200W to utilize super sonic, oscillation frequency is 15.15 ± 0.15kHz, weld time was 0.2 second, and the holding time was 0.4 second) thermal welding is carried out to the circumference of the air filter of above-mentioned circle.The flow diameter of this extraneous air importing cylindrical body is 14mm.And, the particulate anti-bacterial agent forming antibacterial component use be made up of with the ion exchanger making silver ion and zeolite carry out ionic bond of 10 % by weight Low Density Polyethylene of 90 % by weight, the type of being heated to form becomes mean diameter 6mm(53.3mg/ individual) particulate anti-bacterial agent (SINANENZEOMICCO., LTD. manufacture, PB6LJ10-1: the content of silver is 0.23 % by weight).Further, weigh this particulate anti-bacterial agent of 30g, being put into the thickness be made up of polyethylene terephthalate and poly composite material by this particulate anti-bacterial agent is the nonwoven fabrics (22.4g/m of 0.10mm
2, 50 μm ~ 100 μm, aperture) and form the water permeability porous bag of bag-shaped (170mm × 90mm), utilize heat-sealing to seal this water permeability porous bag.The volume ratio shared by above-mentioned particulate anti-bacterial agent of above-mentioned water permeability porous bag inside is 50%.
Herein, above-mentioned Vesicular protein is implemented in the following manner.That is, first, under atmospheric pressure, above-mentioned fluorocarbon resin porous membrane be impregnated in the test solution of Galwick(fluorine system, surface tension is 0.0157N/m).Further, porous material many physical property apparatus for evaluating (PMI company of the U.S. manufactures, Perm-Porometer:CFP-1200AEXLCBBJ) is utilized to measure it.Its result, obtains " the fine pore distribution vs average pore size " chart shown in " the accumulation filter's flow vs fine pore " chart shown in Fig. 5 and Fig. 6.According to these charts, confirming near 0.39 μm, aperture is maximum peak value, confirms aperture in the scope of 0.2 μm ~ 0.8 μm.Further, confirming mean flow pore size is 0.389 μm, and maximum fine pore is 0.386 μm.
Further, use is utilized to have the content (0.23 % by weight) of ICP luminescence analysis to the silver of above-mentioned particulate anti-bacterial agent of ICP luminescence analyzer (Shimadzu manufactures Co., Ltd. of institute and manufactures, ICPS-8100) to confirm.
comparative example 1
In the water dispenser of above-described embodiment, polyethylene sponge (diameter is the circle of 22.8mm, and thickness is 5mm) will be utilized as air filter and (non-thermal welding) will be installed in extraneous air importing cylindrical body.Other parts are same as the previously described embodiments.
comparative example 2
Antibacterial component is not set in the water dispenser of above-described embodiment.Other parts are same as the previously described embodiments.
comparative example 3
In the water dispenser of above-described embodiment, polyethylene sponge (diameter is the circle of 22.8mm, and thickness is 5mm) will be utilized as air filter and (non-thermal welding) will be installed in extraneous air importing cylindrical body.Further, antibacterial component is not set.Other parts are same as the previously described embodiments.
the analysis method of the clump count of common viable bacteria
The water dispenser of above-described embodiment and comparative example 1 ~ comparative example 3 is located at office's floor (area 600m that 80 people are engaged in affairs operation
2).Further, for each water dispenser, the analysis of the clump count of the common viable bacteria during 14 days is carried out in the following manner, shown in Figure 7 with chart.
A () first, utilizes each position of the method for hot-water sterilization function and alcohol sterilization to water dispenser to carry out sterilizing cleaning.
B mineral water (HigashinihonAirWaterenergyINC. manufactures, AWWater) 12L then, is filled gallon bottle and is installed on each water dispenser by ().
C () then, is taken the mineral water of 500mL, is given up by cold water side water outlet.
(d) and, bottle (SANSEIMEDICALCO. is taken in the sterilizing of to be taken by the mineral water of 100mL to the polyethylene of capacity 100mL by cold water side water outlet, LTD manufactures, model is 2-6425-05), at Petrifilm culture, (Sumitomo 3M company manufactures, model is 6400AC, and the vaccination area of culture is 20cm
2), carry out the cultivation of common viable bacteria.
(e) after 48 hours, with dilution ratio 1 times, the visual clump count calculating Petrifilm culture.Now, when clump count is more than 250, the 1cm of Petrifilm culture is obtained
2the aviation value of the clump count in grid, by being multiplied by 20 times to calculate clump count.Further, clump count upper limit when being 1 times by dilution ratio is set to 2500.
F (), for each water dispenser, 1 day 1 time, confirms clump count in the mode that above-mentioned (c) ~ (e) is such.
As shown in Figure 7, in the water dispenser of embodiment, confirm there is no common viable bacteria completely during 14 days.On the other hand, in the water dispenser of comparative example 1, just confirmed common viable bacteria from the 9th day, afterwards, only increase a little, within the 11st day, increase sharply later.It can thus be appreciated that, in the comparative example 1 of the air filter using mesh thicker, there is common viable bacteria to enter, to the 9th day, the effect of antibacterial component can be utilized to carry out sterilization, but, after this, then the common viable bacteria exceeding the ability of the anti-bacteria breeding of antibacterial component enters.Further, in the water dispenser of comparative example 2, from the 2nd day, namely confirm common viable bacteria, afterwards, only increase a little, within the 7th day, then increase sharply later.It can thus be appreciated that, in comparative example 2, utilize the air filter that mesh is thinner, entering of common viable bacteria can be prevented to a certain degree, but, owing to there is no antibacterial component, thus, once the common viable bacteria entered breeds, the control of its clump count cannot be carried out.Further, in the water dispenser of comparative example 3, confirmed common viable bacteria from the 2nd day, afterwards, only increase a little, within the 3rd day, just increase sharply later, within the 12nd day, reach 2500 of the upper limit.In this experiment, due to the upper limit is set as 2500, thus, in the figure 7, the 12nd day is also 2500 later, but, within the 12nd day, also there is the possibility continuing propagation.It can thus be appreciated that in comparative example 3, because the mesh of air filter is comparatively thick, common viable bacteria easily enters, and owing to not having antibacterial component, the common viable bacteria entered easily breeds.It can thus be appreciated that, as the water dispenser of embodiment, use above-mentioned specific air filter and above-mentioned specific antibacterial component simultaneously, restrained effectively the clump count of common viable bacteria.
In addition, in the above-described embodiments, change the thickness of PTFE porous membrane and the thickness of polyethylene porous membrane of air filter, carry out the analysis of the clump count of common viable bacteria in the same manner described above, its result, when in the scope being set in 120 μm ~ 170 μm in the scope thickness of above-mentioned PTFE porous membrane being set in 1 μm ~ 15 μm and by the thickness of above-mentioned polyethylene porous membrane, same as the previously described embodiments, obtain ideal result.
Herein, the thickness (in the scope of 1 μm ~ 15 μm) of above-mentioned fluorocarbon resin porous membrane is confirmed in the following manner.Namely, first, use by host [thing of should consulting and deliberating Co., Ltd. manufacture, エ Port ッ Network 812(E.M.grade)], curing agent (thing of should consulting and deliberating Co., Ltd. manufacture, MNA(methylnadicanhydride)], polymerization promoter [thing of should consulting and deliberating Co., Ltd. manufactures, D.M.P.-30(Tri-dimethylaminomethylphenol) epoxy resin that forms carried out resin embedding to make above-mentioned fluorocarbon resin porous membrane hardening to above-mentioned fluorocarbon resin porous membrane.Then, Cross section polishing instrument (Jeol Ltd. manufactures, SM-09010) is utilized to define the cross section of above-mentioned fluorocarbon resin porous membrane.Now, argon gas is used for processing ion, ion accelerating voltage is set to 5kV, (accelerated voltage is 6kV, SiO process velocity to be set to 1.3 μm/minute
2convert), cross section positioning precision is set to 15 μm (utilizing the location that optical microscope carries out).Afterwards, the charged platinum coating alleviated is implemented to above-mentioned cross section.Further, electric field emission type scanning electron microscope (HitachiHigh-TechnologiesCorporation manufactures, S-4800) is utilized doubly to observe this cross section with multiplying power 3500.Its result, although above-mentioned cross section is in uneven thickness, this thickness is formed in the scope of above-mentioned 1 μm ~ 15 μm.
And, for the composition ratio of the particulate anti-bacterial agent of antibacterial component, the mean diameter of particulate anti-bacterial agent, the aperture of water permeability porous bag, the volume ratio shared by particulate anti-bacterial agent of water permeability porous bag inside, also numerical value is changed and carry out in the same manner as described above can the analysis of clump count of common viable bacteria, its result, when the formation Low Density Polyethylene of particulate anti-bacterial agent and the ratio (Low Density Polyethylene/ion exchanger) of ion exchanger are set in the scope of (70 % by weight/30 % by weight) ~ (95 % by weight/5 % by weight), the mean diameter of particulate anti-bacterial agent is set in the scope of 3mm ~ 10mm, the aperture of water permeability porous bag is set in the scope of 50 μm ~ 100 μm, time in the scope above-mentioned volume ratio being set in 30 ~ 70%, same as the previously described embodiments, obtain ideal result.
In the above-described embodiments, show the specific embodiment of the present invention, but above-described embodiment is only illustration, and should not be construed as limiting the present invention.Further, the change of the equivalents of claim is belonged to all within the scope of the invention.
utilizability in industry
Water dispenser of the present invention by using specific air filter and specific antibacterial component simultaneously, thus prevents bacterium class from importing along with extraneous air and entering, and anti-bacteria class is bred in water dispenser, realizes administration of health with simple structure.
description of reference numerals
1, air filter; 2, antibacterial component.
Claims (2)
1. a water dispenser, it comprises: container connecting portion, and it is connected with the oral area of free handling mode with drinking-water container; Case, it is located at the below of this container connecting portion, for storing the potable water flowed down from said vesse; Water outlet, it is for taking the potable water be stored in this case; External air introducing ports, it is communicated with in above-mentioned drinking-water container via said vesse connecting portion; Air filter, it is arranged with the state covering this external air introducing ports, it is characterized in that,
The state that above-mentioned air filter can be ventilated with extraneous air with this water dispenser is had the lid pushing up tubular to cover, and above-mentioned air filter is the air filter of following (A), is provided with the antibacterial component of following (B) in above-mentioned case,
(A) the protection porous membrane that air filter carries on the back two sides by fluorocarbon resin porous membrane and the table being fixed on this fluorocarbon resin porous membrane is formed; the aperture of above-mentioned fluorocarbon resin porous membrane is set in the scope of 0.2 μm ~ 0.8 μm; the aperture of above-mentioned protection porous membrane is set as more than the aperture of above-mentioned fluorocarbon resin porous membrane
(B) antibacterial component is made up of multiple particulate anti-bacterial agents and the water permeability porous bag being sealed with these particulate anti-bacterial agents, above-mentioned particulate anti-bacterial agent is made up of Low Density Polyethylene and the ion exchanger making silver ion and zeolite carry out ionic bond, by the formation Low Density Polyethylene of above-mentioned particulate anti-bacterial agent and the ratio of ion exchanger, i.e. Low Density Polyethylene/ion exchanger, be set in (70 % by weight/30 % by weight) ~ scope of (95 % by weight/5 % by weight) in, the mean diameter of above-mentioned particulate anti-bacterial agent is set in the scope of 3mm ~ 10mm, the aperture of above-mentioned water permeability porous bag is set in the scope of 50 μm ~ 100 μm, volume ratio shared by the above-mentioned particulate anti-bacterial agent of above-mentioned water permeability porous bag inside is set in the scope of 30% ~ 70%.
2. water dispenser according to claim 1, wherein,
In the air filter of above-mentioned (A), the thickness of above-mentioned fluorocarbon resin porous membrane is set in the scope of 1 μm ~ 15 μm, the thickness of above-mentioned protection porous membrane is set in the scope of 120 μm ~ 170 μm.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-108411 | 2010-05-10 | ||
| JP2010108411 | 2010-05-10 | ||
| JP2011-087248 | 2011-04-11 | ||
| JP2011087248A JP5904717B2 (en) | 2010-05-10 | 2011-04-11 | Drinking water server |
| PCT/JP2011/060288 WO2011142266A1 (en) | 2010-05-10 | 2011-04-27 | Drinking water server |
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| Publication Number | Publication Date |
|---|---|
| CN102781814A CN102781814A (en) | 2012-11-14 |
| CN102781814B true CN102781814B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201180011912.3A Expired - Fee Related CN102781814B (en) | 2010-05-10 | 2011-04-27 | Water dispenser |
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| Country | Link |
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| JP (1) | JP5904717B2 (en) |
| KR (1) | KR101757500B1 (en) |
| CN (1) | CN102781814B (en) |
| TW (1) | TWI527618B (en) |
| WO (1) | WO2011142266A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649189B (en) * | 2011-07-05 | 2016-05-18 | 日东电工株式会社 | Polytetrafluoroethylporous porous membrane and air filter filter medium |
| CN103569931A (en) * | 2012-07-27 | 2014-02-12 | 李宁 | Smart oil dispenser |
| TWI549734B (en) * | 2012-09-25 | 2016-09-21 | 三菱麗陽股份有限公司 | Water purification cartridge, water pruifier and filter material |
| JP6184673B2 (en) * | 2012-10-11 | 2017-08-23 | エア・ウォーター株式会社 | Water notification mechanism for drinking water dispensers |
| KR101470732B1 (en) * | 2013-05-09 | 2014-12-08 | 신태호 | Mineral Water Supplying System Compatibly Usable for Refrigerator and Cold/Hot Water Dispenser |
| US11618696B2 (en) | 2013-08-15 | 2023-04-04 | Applied Silver, Inc. | Antimicrobial batch dilution system |
| US10640403B2 (en) | 2013-08-15 | 2020-05-05 | Applied Silver, Inc. | Antimicrobial batch dilution system |
| US9689106B2 (en) | 2013-12-06 | 2017-06-27 | Applied Silver, Inc. | Antimicrobial fabric application system |
| CN103750747A (en) * | 2014-01-13 | 2014-04-30 | 株式会社Nac | Device of removing suspended matters through precision filter |
| KR101640028B1 (en) * | 2014-05-14 | 2016-07-18 | 주식회사 진텍 | Filter for water purifier |
| JP6430731B2 (en) * | 2014-07-02 | 2018-11-28 | ビクトリージャパン株式会社 | Drinking water supply device |
| US20170050870A1 (en) | 2015-08-21 | 2017-02-23 | Applied Silver, Inc. | Systems And Processes For Treating Textiles With An Antimicrobial Agent |
| CA3092627A1 (en) | 2017-03-01 | 2018-09-07 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| CN114072353A (en) * | 2019-05-21 | 2022-02-18 | 三得利控股株式会社 | Beverage machine |
| KR20210150575A (en) * | 2019-05-21 | 2021-12-10 | 산토리 홀딩스 가부시키가이샤 | beverage server |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067895U (en) * | 1992-06-29 | 1994-02-01 | 株式会社加藤機械製作所 | Sterilization float |
| JPH07187295A (en) * | 1993-12-22 | 1995-07-25 | Yokohama Rubber Co Ltd:The | Dispenser for beverage |
| JP3534203B2 (en) * | 1994-12-09 | 2004-06-07 | カネボウ株式会社 | Anti-water microbial resin composition |
| JP2003205211A (en) * | 2001-11-09 | 2003-07-22 | Nitto Denko Corp | Antibacterial air filter medium and filter unit using the same |
| JP2006008219A (en) * | 2004-06-28 | 2006-01-12 | Sanden Corp | Beverage dispenser |
| JP4137114B2 (en) | 2005-10-31 | 2008-08-20 | サントリー株式会社 | Mineral water dispenser heat sterilizer |
| JP4831622B2 (en) * | 2007-01-16 | 2011-12-07 | 憲司 中村 | Antibacterial resin pellet and manufacturing method thereof |
| JP2009083871A (en) * | 2007-09-28 | 2009-04-23 | Noritz Corp | Drinking water server |
| JP4842984B2 (en) * | 2008-02-19 | 2011-12-21 | 高木産業株式会社 | Cold / hot water supply equipment |
| JP4253036B1 (en) * | 2008-08-27 | 2009-04-08 | 株式会社コスモライフ | Beverage dispenser |
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2011
- 2011-04-11 JP JP2011087248A patent/JP5904717B2/en active Active
- 2011-04-27 KR KR1020127022831A patent/KR101757500B1/en active IP Right Grant
- 2011-04-27 WO PCT/JP2011/060288 patent/WO2011142266A1/en active Application Filing
- 2011-04-27 CN CN201180011912.3A patent/CN102781814B/en not_active Expired - Fee Related
- 2011-05-06 TW TW100115974A patent/TWI527618B/en not_active IP Right Cessation
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| TWI527618B (en) | 2016-04-01 |
| KR20130059315A (en) | 2013-06-05 |
| WO2011142266A1 (en) | 2011-11-17 |
| CN102781814A (en) | 2012-11-14 |
| JP2011255960A (en) | 2011-12-22 |
| JP5904717B2 (en) | 2016-04-20 |
| KR101757500B1 (en) | 2017-07-12 |
| TW201143870A (en) | 2011-12-16 |
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