CN102781814A - Drinking water server - Google Patents
Drinking water server Download PDFInfo
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- CN102781814A CN102781814A CN2011800119123A CN201180011912A CN102781814A CN 102781814 A CN102781814 A CN 102781814A CN 2011800119123 A CN2011800119123 A CN 2011800119123A CN 201180011912 A CN201180011912 A CN 201180011912A CN 102781814 A CN102781814 A CN 102781814A
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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
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- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Devices For Dispensing Beverages (AREA)
- Filtering Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Provided is a drinking water server whereby, using a simple structure, bacterial invasion with the introduction of outside air can be prevented and bacterial proliferation within the drinking water server can be inhibited. The drinking water server is provided with an air filter (1) for introducing outside air, which comprises a porous film being formed of a fluororesin and having a pore diameter of 0.2-0.8 [mu]m, and protective porous films fixed to both faces of the aforesaid porous film. In the drinking water server, moreover, an antibacterial member (2), which comprises multiple antibacterial particles comprising a low-density polyethylene and an ion exchanger, wherein silver ions are ionically bound to zeolite, said multiple antibacterial particles being sealed in a water-permeable porous bag, is placed in a tank.
Description
Technical field
The present invention relates to a kind ofly can water be taken to the water dispenser (drinking water server) of cup etc., the breeding that it can prevent the entering of bacterium class and can suppress the bacterium class from the potable water container containing of installing with replaceable mode.
Background technology
In the past, used water dispenser in the job market etc., in water dispenser, the potable water container containing was installed, and can take to cup from said vesse the potable water of requirement when needed etc. with replaceable mode.As above-mentioned potable water container containing, the hard type (gallon bottle type) that common use can not be out of shape.
For example; As shown in Figure 8; This water dispenser will be located at top with the oral area bonded assembly container connecting portion 11 of free handling mode and above-mentioned potable water container containing B; Below this container connecting portion 11; Be provided with the cold water storage cistern 12 and the hot well 13 that are used to store the potable water that flows down from said vesse B, and be provided with and take 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 cold water side water outlet 14a back) that is stored in the potable water in above-mentioned each case 12,13 respectively.In addition, be provided with, be provided with air filter 16 with the state that covers this extraneous air introducing port 15 via the extraneous air introducing port 15 that is communicated with in said vesse connecting portion 11 and the above-mentioned potable water container containing B.
Said vesse connecting portion 11 forms double tubular, and the outside forms the chimeric chimeric cylindrical body 11a that use that bottom tube-like is arranged of oral area that supplies above-mentioned container B, and is inboard then form the interior barrel-contoured insertion of top that has of oral area that is inserted into said vesse B and use cylindrical body 11b.On the perisporium of insertion with cylindrical body 11b of this inboard, be formed with the through hole 11d that windstream general-duty through hole 11c and potable water circulation are used, be formed with peristome 11e in the bottom surface.Above-mentioned hot well 13 is the seal casing of water tightness, and it is disposed at the below of cold water storage cistern 12, with connection pipe 17 with the bottom of cold water storage cistern 12 and the internal communication of 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, and the tabular disconnector (separator) 18 of relay pipe 19 incorporate circles with and all sidewalls of cold water storage cistern 12 between form gapped state and be configured.And, be connected with above-mentioned connection pipe 17 with the through hole of relay pipe 19 with the central part of this disconnector 18.In addition, be wound with cooling with pipe 12a at the outer surface of all sidewalls of cold water storage cistern 12, the outer surface at all sidewalls of hot well 13 is wound with temperature booster 13a.
Use above-mentioned water dispenser in the following manner.That is, at first, the oral area of above-mentioned potable water container containing B is connected with container connecting portion 11 on the top that is located at water dispenser, this potable water container containing B is installed in the top of above-mentioned water dispenser.So; Air passes airiness from the insertion of container connecting portion 11 with the peristome 11e of the bottom surface of cylindrical body 11b and uses through hole 11c; Get in the said vesse B; And the potable water in this container B flows down with the peristome 11e that through hole 11d passes the bottom surface from the insertion of said vesse connecting portion 11 potable water circulation with cylindrical body 11b.The above-mentioned potable water that flows down at first passes the gap between all sidewalls of through hole, disconnector 18 and cold water storage cistern 12 of disconnector 18, gets into 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 arrived the bottom surface of container connecting portion 11 above disconnector 18, the peristome 11e of this bottom surface of shutoff stopped potable water and flows down from said vesse B.Then, under this state, take potable water from above-mentioned cold water side water outlet 14a or hot water side water outlet 14b.So, the water surface that is in the potable water of disconnector 18 tops descends, and removes the shutoff that this water surface is split oral area 11e.Therefore, same as described above, air gets in the said vesse B from container connecting portion 11, and potable water flows down from the oral area of said vesse B.Then, stop from the water intaking of above-mentioned water outlet 14a, 14b.So the water surface of potable water rises above disconnector 18, when this water surface arrived the bottom surface of container connecting portion 11, the peristome 11e of above-mentioned bottom surface stopped to flow down of potable water once again by shutoff.So, utilize above-mentioned water dispenser, can take potable water from said vesse B.
, get into the air in the said vesse B here, only can be and import from the outside of water dispenser through air filter 16.At this moment, above-mentioned air filter 16 prevents that dust etc. from getting in the water dispenser from the outside.As this air filter 16, use meshes such as nonwoven fabrics or sponge thick (aperture is bigger) and the good filter of aeration.When using the thinner filter of mesh, can't in above-mentioned container B, import sufficient air (extraneous air) because aeration is relatively poor, thereby potable water is suitably flowed down from said vesse B, make the taking property deterioration at water outlet 14a, 14b place.
But, when carrying out the importing of said external air through the thick person of meshes such as nonwoven fabrics or sponge, though can prevent the entering of the material that dust etc. is bigger, yet, the entering of the biology that bacterium class etc. is less relatively can't fully be prevented.In addition, the bacterium class not only can get into through above-mentioned air filter 16, also has situation about getting into from above-mentioned water outlet 14a, 14b because of contact water outlet 14a, 14b such as hand, fingers.When frequently fetching water, because potable water can stir in water dispenser, the bacterium class of entering is difficult to breeding, yet in the time period that night etc. takes, the interior potable water of water dispenser can not stir, and the bacterium class is bred easily.
Therefore; For above-mentioned bacterium class is carried out sterilization; A kind of water dispenser (for example, with reference to patent documentation 1,2) with heating arrangement has been proposed, have ultraviolet lamp water dispenser (for example, with reference to patent documentation 3), have an ozone generating-device water dispenser (for example; With reference to patent documentation 4) and have water dispenser (for example, with reference to patent documentation 5) of plasma generator and other sterilizing unit etc.
Patent documentation 1: TOHKEMY 2006-076662 communique
Patent documentation 2: TOHKEMY 2009-083871 communique
Patent documentation 3: TOHKEMY 2009-083868 communique
Patent documentation 4: No. 4317259 communique of japanese
Patent documentation 5: the practical new case of Japan is logined communique No. 3110564
But the piping system of above-mentioned water dispenser with heating arrangement is very complicated, and not only water dispenser itself costs an arm and a leg, and also has consumes electric power increase, the higher such problem of operating cost, heating arrangement on period can't use the such problem of water dispenser etc.In addition, the water dispenser that has a ultraviolet lamp exists ultraviolet ray that human body and harmful such problem, the ultraviolet ray of eyeball are caused the such problem of resin part, rubber part deterioration in the water dispenser etc.In addition, in having the water dispenser of ozone generating-device, because ozone gas is not useful to human body, thereby existence has such problem, the ozone of restriction to have unique stink and damage the such problem of potable water taste etc. to concentration of ozone gas.In addition, make a plurality of sterilizing unit runnings simultaneously owing to have the water dispenser of plasma generator and other sterilizing unit, thereby, there are the big such problem of energy consumption, the very complicated such problem of device.
Summary of the invention
The present invention considers above-mentioned situation and makes that its purpose is to provide a kind of and can utilizes simple structure to prevent the water dispenser that the bacterium class gets into along with the extraneous air importing and inhibition bacterium class is bred in water dispenser.
To achieve these goals, water dispenser of the present invention comprises: the container connecting portion, and it is connected with the oral area of free handling mode with the potable water container containing; Case, the below that it is located at this container connecting portion is used to store the potable water that flows down from said vesse; Water outlet, it is used to take the potable water that is stored in this case; The extraneous air introducing port, it is communicated with via in said vesse connecting portion and the above-mentioned potable water container containing; Air filter, it is to cover the state setting of this extraneous air introducing port, and this water dispenser adopts following structure: above-mentioned air filter is the air filter of following (A), in above-mentioned case, is provided with the antibiotic member of following (B).
(A) air filter is made up of with porous membrane the protection of fluorocarbon resin system porous membrane with the table back of the body two sides of being fixed in this fluorocarbon resin system porous membrane; The aperture of above-mentioned fluorocarbon resin system porous membrane is set in the scope of 0.2 μ m～0.8 μ m, the aperture of above-mentioned protection with porous membrane is set at more than the aperture of above-mentioned fluorocarbon resin system porous membrane.
(B) antibiotic member is made up of a plurality of granular antiseptics and the water permeability porous bag that is sealed with these granular antiseptics, above-mentioned granular antiseptic by low density polyethylene (LDPE) with make silver ion and zeolite carry out the ion exchanger that ionic bond forms to constitute.
The inventor is in order to utilize simple structure and to realize the administration of health of water dispenser but not adopt the method for in water dispenser, the bacterium class that gets into being carried out sterilization in the past; Prevent that the bacterium class is along with extraneous air imports and the method for entering but expect adopting; And, adopt the hand, the abutment water outlet that suppress because of the people to cause the bacterium class to get into the method that the breeding of bacterium class takes place in the water dispenser from this water outlet.
Therefore, at first, import and get into along with extraneous air in order to prevent the bacterium class, the inventor has carried out research repeatedly to the formation material of air filter, structure etc.In this process, find if with fluorocarbon resin as forming material, even then the aperture is less, also can make the excellent porous membrane of aeration.And because the fastness to water of fluorocarbon resin is excellent, thereby it is applicable to the water dispenser that makes water.And,, expect protection is fixed in the two-sided of above-mentioned fluorocarbon resin system porous membrane with porous membrane in order to protect above-mentioned fluorocarbon resin system porous membrane and to keep filter capability.And,, further carried out research repeatedly according to this conception.Its result; Conclusion below finding; Promptly; Be fixed with in the air filter of protection with porous membrane above-mentioned fluorocarbon resin system porous membrane two-sided, be set at more than the aperture of above-mentioned fluorocarbon resin system porous membrane if the aperture of above-mentioned fluorocarbon resin system porous membrane is set in the scope of 0.2 μ m～0.8 μ m and with the aperture of above-mentioned protection with porous membrane, then can be in the long-term bacterium class that prevent when guaranteeing aeration fully and keeping taking property along with the extraneous air importing and get into.
In addition; Though food poisoning bacterias etc. are less than the aperture 0.2 μ m～0.8 μ m of above-mentioned fluorocarbon resin system porous membrane; But; Because the effect of static, and inertial impaction and the effect of Brownian movement when seeing through fluorocarbon resin system porous membrane such as above-mentioned food poisoning bacteria, can imagine food poisoning bacteria etc. and can't see through this fluorocarbon resin system porous membrane.
Then, breed in water dispenser in order to suppress the bacterium class, the inventor expects in the case of water dispenser, being provided with antibiotic member, has carried out research repeatedly for the formation material of this antibiotic member, structure etc.Its result; Conclusion below having found, that is, if utilize a plurality of granular antiseptics and the water permeability porous bag that is sealed with these granular antiseptics to constitute above-mentioned antibiotic member; And with low density polyethylene (LDPE) with make silver ion and zeolite carry out the ion exchanger that ionic bond forms to constitute above-mentioned granular antiseptic; Then above-mentioned granular antiseptic can discharge above-mentioned silver ion in water, utilize the effect of this silver ion, can suppress the bacterium class and in water dispenser, breed.And, find that also above-mentioned granular antiseptic can not cause harmful effect to human body.
Promptly; The inventor find through with above-mentioned specific air filter as the air filter of water dispenser and above-mentioned specific antibiotic member is set in the case of water dispenser; Can utilize simple structure to prevent that the bacterium class from importing and getting into along with extraneous air; And, can suppress the bacterium class and in water dispenser, breed, thereby accomplish the present invention.
In water dispenser of the present invention, owing to carry out the extraneous air importing through the air filter of above-mentioned (A), thereby, can prevent that the bacterium class from importing and getting into along with extraneous air.And,,, also can suppress its breeding even the bacterium class gets into from water outlet because the antibiotic member of above-mentioned (B) is located in the case.And the complicated sterilizing units such as heating arrangement of water dispenser different from the past can utilize simple structure to realize the administration of health that the antibiotic member by the air filter of above-mentioned (A) and above-mentioned (B) carries out.Therefore, have and safeguard easily and the administration of health such advantage of electrification not.
Particularly; In the air filter of above-mentioned (A); In the scope of 1 μ m～15 μ m and under, can more suitably make the venting capability of above-mentioned air filter and bacterium class get into the equilibrium that prevents performance the thickness setting of above-mentioned fluorocarbon resin system porous membrane with the situation of thickness setting in the scope of 120 μ m～170 μ m of above-mentioned protection with porous membrane.
And; In the antibiotic member of above-mentioned (B); The mean diameter that the ratio (low density polyethylene (LDPE)/ion exchanger) of the low density polyethylene (LDPE) that constitutes above-mentioned granular antiseptic and ion exchanger is set in the scope of (70 weight %/30 weight %)～(95 weight %/5 weight %), will above-mentioned granular antiseptic is set in that the scope of 3mm～10mm is interior, be set in the scope that the aperture of above-mentioned water permeability porous bag is set in 50 μ m～100 μ m, with the shared volume ratio of the above-mentioned granular antiseptic of above-mentioned water permeability porous bag in-to-in under the situation in 30%～70% the scope, can further improve the bacterium class of above-mentioned antibiotic member and breed rejection.
Description of drawings
Fig. 1 is the cutaway view that schematically shows an embodiment of water dispenser of the present invention.
Fig. 2 is the cutaway view that schematically shows the air filter that is used for above-mentioned water dispenser.
Fig. 3 is amplification and schematically shows the extraneous air introducing port cutaway view partly that is used to install above-mentioned air filter.
Fig. 4 is the block diagram that schematically shows the antibiotic member that is used for above-mentioned water dispenser.
Fig. 5 is the chart of relation of accumulation filter flow and the fine pore of expression embodiment.
Fig. 6 is that the fine pore of expression embodiment distributes and the chart of the relation of average pore size.
Fig. 7 is the chart of analysis result of clump count of the common viable bacteria of expression embodiment and comparative example.
Fig. 8 is the cutaway view that schematically shows water dispenser in the past.
The specific embodiment
Below, come at length to explain embodiment of the present invention with reference to accompanying drawing.
Fig. 1 is the cutaway view that schematically shows an embodiment of water dispenser of the present invention.As shown in Figure 1, this water dispenser is identical with in the past water dispenser (with reference to Fig. 8), 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, extraneous air introducing port 15 and air filter 1 etc.For identical part, mark identical Reference numeral, and omit its explanation.And; In the water dispenser of this embodiment; Amplify shown in the ground like Fig. 2; One of characteristic of the present invention does, above-mentioned air filter 1 is made up of with porous membrane 1b with the two-sided protection of being fixed in this fluorocarbon resin system porous membrane 1a fluorocarbon resin system porous membrane 1a, and use is set in the aperture of above-mentioned fluorocarbon resin system porous membrane 1a in the scope of 0.2 μ m～0.8 μ m and above-mentioned protection is set at the aperture of porous membrane 1b the air filter more than the aperture of above-mentioned fluorocarbon resin system porous membrane 1a.In this embodiment; As shown in Figure 3 (among 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 the extraneous air importing with cylindrical body 3 with the mode that covers the extraneous air be installed on extraneous air introducing port 15 airtightly and import with the hollow bulb (stream of extraneous air) of cylindrical body 3.And this air filter 1 is covered by lid 4 with the state (with reference to the illustrated arrow of Fig. 3) that can ventilate.
And, in the water dispenser of this embodiment, the untapped antibiotic member 2 of above-mentioned common water dispenser (with reference to Fig. 8) in the past is arranged on the disconnector 18 in the cold water storage cistern 12.As shown in Figure 4; This antibiotic member 2 is made up of (in addition a plurality of granular antiseptic 2a and the water permeability porous bag 2b that is sealed with these granular antiseptic 2a; In Fig. 4; Illustrate the above-mentioned granular antiseptic 2a of lesser amt), above-mentioned granular antiseptic 2a by low density polyethylene (LDPE) with make silver ion and zeolite carry out the ion exchanger that ionic bond forms to constitute.Being arranged at above-mentioned antibiotic member 2 in the case (in this embodiment, being cold water storage cistern 12) is another characteristic of the present invention.
As implied above, the big characteristic of water dispenser of the present invention is to adopt above-mentioned specific air filter 1 also above-mentioned specific antibiotic member 2 to be arranged in the case of water dispenser as air filter 1.
Describe in further detail.As the formation material (fluorocarbon resin) of the fluorocarbon resin system porous membrane 1a that constitutes above-mentioned air filter 1 (with reference to Fig. 2), it is preferably polytetrafluoroethylene (PTFE).For example through fluorocarbon resin half sintered body being carried out biaxial stretch-formed more than 50 times and making this fluorocarbon resin system porous membrane 1a with the heat treatment that the temperature more than the melting point of fluorocarbon resin is carried out.Thus, make the fluorocarbon resin system porous membrane 1a of aperture in the scope of 0.2 μ m～0.8 μ m.
For example, can utilize the bubble point method to confirm the aperture of above-mentioned fluorocarbon resin system porous membrane 1a (in the scope of 0.2 μ m～0.8 μ m) here.That kind that is described below is carried out this bubble point method.That is, at first, under atmospheric pressure, make above-mentioned fluorocarbon resin system porous membrane 1a impregnated in the test solution of fluorine system.Then, 1a is installed on adapter (adapter) with this fluorocarbon resin system porous membrane, and this adapter is installed on the sample chamber of many rerum naturas of porous material apparatus for evaluating.Afterwards, utilize above-mentioned many rerum naturas of porous material apparatus for evaluating that the detection and the wetting flow curve (WET curve) of maximum fine pore are measured, till reaching maximum pressure or maximum flow.And, utilize above-mentioned many rerum naturas of porous material apparatus for evaluating that drying curve (DRY curve) is measured, till reaching maximum pressure or maximum flow.So, utilize above-mentioned measurement can access the distribution in the aperture of above-mentioned fluorocarbon resin system porous membrane 1a, utilize and should distribute, can confirm the scope in above-mentioned aperture.
And, be fixed in the two-sided protection of above-mentioned fluorocarbon resin system porous membrane 1a and be preferably the nonwoven fabrics that constitutes by resin with porous membrane 1b or weave cotton cloth.As this resin; Import with cylindrical body 3 the simple viewpoint of its installation constitution is considered from being heat fused in the said external air that is used to install above-mentioned air filter 1, preferably above-mentioned resin is made as identical with the resin material of cylindrical body 3 with the importing of said external air.As this resin, for example, can enumerate poly-vinyl.
And,, for example, make protection overlap the two-sided of fluorocarbon resin system porous membrane 1a and heat crimping with porous membrane 1b as in the two-sided fixedly protection of fluorocarbon resin system porous membrane 1a method with porous membrane 1b.As stated, the air filter of making like this 1 is not only guaranteed aeration fully and is had the performance that can prevent that the bacterium class from getting into.And, as stated, because above-mentioned protection is set for more than the aperture of above-mentioned fluorocarbon resin system porous membrane 1a with the aperture of porous membrane 1b, thereby above-mentioned performance is the performance that depends on above-mentioned fluorocarbon resin system porous membrane 1a.And, from improving the viewpoint of above-mentioned performance, preferably with the thickness setting of this fluorocarbon resin system porous membrane 1a in the scope of 1 μ m～15 μ m, more preferably about 2 μ m～9 μ m.And, preferably with above-mentioned protection with the thickness setting of porous membrane 1b in the scope of 120 μ m～170 μ m, more preferably about 145 μ m.
For example, can utilize the electric field emission type scanning electron microscope to confirm the thickness of above-mentioned fluorocarbon resin system porous membrane 1a (in the scope of 1 μ m～15 μ m) here.That is, at first since above-mentioned fluorocarbon resin system porous membrane 1a extremely thin and have flexible, thereby, this fluorocarbon resin system porous membrane 1a is carried out resin embedding so that above-mentioned fluorocarbon resin system porous membrane 1a endures with all one's will.Then, utilize cross section polishing appearance (Crosss ection polisher) (CP) to form the cross section of this fluorocarbon resin system porous membrane 1a.This cross section polishing appearance is to utilize the irradiation of ion beam to form the device in cross section, and it can cause using under situation of test portion distortion when forming the cross section with mechanical lapping.And, utilize this cross section of above-mentioned electric field emission type sem observation, can confirm the scope of above-mentioned thickness.In addition, in order to alleviate charged in this observation, also can platinum be coated on the cross section of above-mentioned fluorocarbon resin system porous membrane 1a.
In addition; Above-mentioned air filter 1 has and ULPA (Ultra Low Penetration Air) the equal performance of filter that in JIS Z 8122, is defined as " air filter with following performance; it is that the particle of 0.15 μ m has the particle collection rate 99.9995% or more to particle diameter, and the initial pressure loss is following for 245Pa " under nominal air delivery.The more little expression aeration of the value of above-mentioned loss of pressure is more excellent.
And, importing with the said external air of above-mentioned air filter 1 thermal welding and to constitute by the large-diameter portion 3a on top and the minor diameter 3b of bottom with cylindrical body 3 (with reference to Fig. 3), the boundary member of these large-diameter portion 3a and minor diameter 3b forms stage portion.The circumference of the air filter 1 of above-mentioned circle is heat fused in this stage portion (the bottom branch of large-diameter portion).And, at the open upper end edge of large-diameter portion 3a, disposing the protuberance 3c of 4 (, thereby illustrating two) equably because Fig. 3 is cutaway view, above-mentioned lid 4 is supported with the mode of the circumference of the end face that supports above-mentioned lid 4 in the upper surface of these protuberances 3c.And the gap between the adjacent protuberance 3c becomes the stream (with reference to graphic arrow among Fig. 3) of extraneous air and is connected with the hollow bulb of said external air importing with cylindrical body 3.In addition; Among Fig. 3; Reference numeral 3d is installed on the said external air to import the O-ring seals with the outer peripheral face of cylindrical body 3; Thus, be installed under the state of extraneous air introducing port 15 with cylindrical body 3 in that the said external air is imported, make form between the inner peripheral surface of said external air importing with the outer peripheral face of cylindrical body 3 and extraneous air introducing port 15 airtight.And the said external air imports and freely is loaded and unloaded on extraneous air introducing port 15 with cylindrical body 3.
Above-mentioned lid 4 has formed the top tubular.The end face of lid 4 forms the curved surface that reduces gradually towards circumference from central division, utilizes this curved surface, can prevent that dust, water droplet etc. from lodging in end face.And; Inside face in all sides of above-mentioned lid 4; Dispose 4 equably and be sticked in the said external air and import engaging pawl (not shown), utilize this engaging pawl that lid 4 is installed on the importing of said external air with cylindrical body 3 with free handling mode with the lower end circumference of the large-diameter portion 3a of cylindrical body 3 freely to engage the mode that breaks away from.And, import top through above-mentioned lid 4 being installed on the said external air, thereby prevent ingress of air filters 1 such as dust, water droplet with cylindrical body 3 with the mode that covers above-mentioned air filter 1.
On the other hand; For example; Powder with about about the 100 ℃ 100 μ m that form above-mentioned silver ion and zeolite being carried out ion exchanger that ionic bond forms be carried on above-mentioned low density polyethylene (LDPE) carries out hot forming, ldpe resin all fusions and residual have the state in space to make the granular antiseptic 2a of the above-mentioned antibiotic member 2 of formation (with reference to Fig. 4) down.And; Viewpoint from the breeding that suppresses the bacterium class; Preferably the ratio (low density polyethylene (LDPE)/ion exchanger) with low density polyethylene (LDPE) and ion exchanger is set in the scope of (70 weight %/30 weight %)～(95 weight %/5 weight %), more preferably about (90 weight %/10 weight %).And preferably the mean diameter with above-mentioned granular antiseptic 2a is set in the scope of 3mm～10mm, more preferably about 6mm.The quality of the granular antiseptic 2a of this mean diameter 6mm is about 53.3mg/.In addition, as above-mentioned ion exchanger, for example, can enumerate the ion exchanger shown in the following chemical formula (1).And the content of the silver among the above-mentioned granular antiseptic 2a is preferably 0.1 weight %～0.5 weight %, more preferably in the scope of 0.2 weight %～0.3 weight %.And above-mentioned mean diameter obtains in the following manner,, for any 10 granular antiseptic 2a, measures the diameter at any 1 position with beam trammel that is, gets the aviation value of the diameter at these positions.
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 difference)
(x: natural number) arbitrarily
For example, can utilize the ICP luminescence analysis to confirm the content of the silver among the above-mentioned granular antiseptic 2a (in the scope of 0.1 weight %～0.5 weight %) here.That is, at first, add sulfuric acid to above-mentioned granular antiseptic 2a, make this granular antiseptic 2a ashing.Then, after the material that this ashing is formed carries out the fluoric acid processing, fuse with potassium acid sulfate.Then, be dissolved in rare nitric acid, carry out constant volume with pure water again.And, it is put to the ICP luminescence analyzer, can confirm the content of above-mentioned silver.
And the water permeability porous bag 2b that constitutes above-mentioned antibiotic member 2 is preferably the nonwoven fabrics that is made up of resin or weaves cotton cloth.As above-mentioned resin, from the viewpoint of intensity etc., it is preferably for example polyethylene terephthalate (polyethylene terephthalate) and poly compound material material.And, preferably with the quality settings of above-mentioned nonwoven fabrics etc. at 17.0g/m
2～27.0g/m
2Scope in, 22.4g/m more preferably
2Preferably with the thickness setting of above-mentioned nonwoven fabrics etc. in the scope of 0.05mm～0.15mm, 0.10mm more preferably.And from making the good viewpoint of water permeability, preferably the aperture with above-mentioned nonwoven fabrics etc. is set in the scope of 50 μ m～100 μ m.
And, for example, granular antiseptic 2a is sealed in above-mentioned water permeability porous bag 2b through making it become bag shape with granular antiseptic 2a of coatings such as above-mentioned nonwoven fabrics and the circumference that seals this nonwoven fabrics etc.From more suitably carrying out the breeding that contacts of above-mentioned granular antiseptic 2a and potable water with further inhibition bacterium class; And; The permeability more suitable viewpoint of potable water in above-mentioned antibiotic member 2 set out, preferably the shared volume ratio of the above-mentioned granular antiseptic 2a of above-mentioned water permeability porous bag 2b in-to-in is set in 30%～70% the scope.
In addition, in this embodiment, above-mentioned antibiotic member 2 is arranged on the disconnector 18 in the cold water storage cistern 12, still, also can be arranged under the disconnector 18.
And, in the above-described embodiment, be provided with cold water storage cistern 12 and hot well 13 these two casees, still, any one case wherein can only be set also.Under this situation, owing to do not need above-mentioned disconnector 18, the position is set can be the optional position in the case of above-mentioned antibiotic member 2.
Then, match with comparative example ground illustrative embodiment.But the present invention is not limited to embodiment.
Embodiment
Prepared water dispenser shown in Figure 1.The air filter that uses following mode to make; Promptly; [Daikin Co., Ltd makes by the two-sided sheet material that forms that poly-vinyl system porous membrane (thickness is 145 μ m) heating is crimped on PTFE system porous membrane (thickness is 10 μ m); ニ ュ one ロ Off ァ イ Application (registered trade mark (RTM)), aggregate thickness is 300 μ m) the stamping-out air filter that becomes the circle of diameter 22.8mm to form.Utilize the bubble point method that the aperture of the PTFE system porous membrane of above-mentioned air filter is confirmed, the result, this aperture is formed in the scope of 0.2 μ m～0.8 μ m.And above-mentioned air filter meets the following conditions, that is, the particle collection rate of the ulpa filter of JIS Z 8122 defineds is more than 99.9995% and below the initial pressure loss 245Pa.And; Air filter with above-mentioned circle is covered in the mode of extraneous air importing with the hollow bulb (stream of extraneous air) of cylindrical body; (vibrating machine power is 1200W to utilize super sonic; Oscillation frequency is 15.15 ± 0.15kHz, and weld time was 0.2 second, and the holding time was 0.4 second) circumference of the air filter of above-mentioned circle is carried out thermal welding.This extraneous air imports and uses the stream diameter of cylindrical body to be 14mm.And; The granular antiseptic that constitutes antibiotic member use by the low density polyethylene (LDPE) of 90 weight % and 10 weight % make silver ion and zeolite carry out that ion exchanger that ionic bond forms constitutes, be heated granular antiseptic (the SINANEN ZEOMIC CO. that moulding becomes mean diameter 6mm (53.3mg/ is individual); LTD. make PB6LJ10-1: the content of silver is 0.23 weight %).And, weighing this granular antiseptic of 30g, it is the nonwoven fabrics (22.4g/m of 0.10mm that this granular antiseptic is put into the thickness that is made up of polyethylene terephthalate and poly composite material
2, aperture 50 μ m～100 μ m) and (the water permeability porous bag of 170mm * 90mm) form utilizes heat-sealing that this water permeability porous bag is sealed to the shape pouch.The shared volume ratio of the above-mentioned granular antiseptic of above-mentioned water permeability porous bag in-to-in is 50%.
Implement above-mentioned bubble point method in the following manner here.That is, at first, under atmospheric pressure, above-mentioned fluorocarbon resin system porous membrane impregnated in Galwick (test solution of fluorine system, surface tension is 0.0157N/m).And (U.S. PMI manufactured Perm-Porometer:CFP-1200AEXLCBBJ) is measured it to utilize many rerum naturas of porous material apparatus for evaluating.Its result obtains " accumulation filter flow vs fine pore " chart shown in Figure 5, reaches " fine pore distribution vs average pore size " chart shown in Figure 6.According to these charts, confirmed that near the 0.39 μ m of aperture be largest peaks, confirmed that the aperture is in the scope of 0.2 μ m～0.8 μ m.And, confirmed that mean flow pore size is 0.389 μ m, maximum fine pore is 0.386 μ m.
And (Tianjin, island is made Co., Ltd. of institute and is made, and ICP luminescence analysis ICPS-8100) is confirmed the content (0.23 weight %) of the silver of above-mentioned granular antiseptic to utilize use that I CP luminescence analyzer is arranged.
Comparative example 1
In the water dispenser of the foregoing description, will utilize poly-vinyl system sponge (diameter is the circle of 22.8mm, and thickness is 5mm) to import in extraneous air and use cylindrical body as air filter and with its installation (non-thermal welding).Other part is same as the previously described embodiments.
Comparative example 2
Antibiotic member is not set in the water dispenser of the foregoing description.Other part is same as the previously described embodiments.
Comparative example 3
In the water dispenser of the foregoing description, will utilize poly-vinyl system sponge (diameter is the circle of 22.8mm, and thickness is 5mm) to import in extraneous air and use cylindrical body as air filter and with its installation (non-thermal welding).And, antibiotic member is not set.Other part is same as the previously described embodiments.
The analysis method of the clump count of common viable bacteria
The water dispenser of the foregoing description and comparative example 1～comparative example 3 is located at office's floor (area 600m that 80 people are engaged in the affairs operation
2).And, to each water dispenser, carry out the analysis of the clump count of the common viable bacteria during 14 days in the following manner, with chart shown in Fig. 7.
(a) at first, utilize the method for hot water sterilization and alcohol sterilization that sterilizing cleaning is carried out at each position of water dispenser.
(b) then, (Higashinihon Air Water energy INC. makes, and AWWater) 12L dress gallon bottle is installed on each water dispenser with mineral water.
(c) then, take the mineral water of 500mL, it is given up by the cold water side water outlet.
(d) and; By the cold water side water outlet mineral water of 100mL is taken to the sterilization of the poly-vinyl system of capacity 100mL and to take a bottle (SANSEI MEDICAL CO.; LTD makes, and model is 2-6425-05), in Petri film culture (Sumitomo 3M manufactured; Model is 6400AC, and the vaccination area of culture is 20cm
2), carried out the cultivation of common viable bacteria.
(e) through after 48 hours, with 1 times of dilution ratio, the visual clump count that calculates Petri film culture.At this moment, surpass under 250 the situation, obtain the 1cm of Petri film culture at clump count
2The aviation value of the clump count in the grid is calculated clump count through it being multiply by 20 times.And the clump count upper limit when dilution ratio is 1 times is made as 2500.
(f), 1 day 1 time, confirmed clump count with the mode that above-mentioned (c)～(e) is such to each water dispenser.
As shown in Figure 7, in the water dispenser of embodiment, having confirmed did not have common viable bacteria fully during 14 days.Relative therewith, in the water dispenser of comparative example 1, just confirmed common viable bacteria from the 9th day, afterwards, only a little increase increased sharply later on the 11st day.Hence one can see that, in the comparative example 1 that uses the thicker air filter of mesh, has common viable bacteria to get into; Till the 9th day, can utilize the effect of antibiotic member to carry out sterilization, still; After this, the common viable bacteria that then surpasses the vegetative ability of inhibition of antibiotic member gets into.And, in the water dispenser of comparative example 2, promptly confirmed common viable bacteria from the 2nd day, afterwards, only a little increase then increased sharply later on the 7th day.Hence one can see that, in comparative example 2, utilizes the thinner air filter of mesh, can prevent the entering of common viable bacteria to a certain degree, still, owing to do not have antibiotic member, thereby, in case the common viable bacteria that gets into breeds, can't carry out the control of its clump count.And, in the water dispenser of comparative example 3, confirmed common viable bacteria from the 2nd day, afterwards, only a little increase increased sharply later on the 3rd day, reached 2500 of the upper limit on the 12nd day.In this test, because the upper limit is set at 2500, thereby, in Fig. 7, also be 2500 later on the 12nd day, still, the possibility that also had continuation to breed on the 12nd day.Hence one can see that, and in comparative example 3, because the mesh of air filter is thicker, common viable bacteria gets into easily, and owing to there is not antibiotic member, the common viable bacteria of entering breeds easily.Hence one can see that, as the water dispenser of embodiment, uses above-mentioned specific air filter and above-mentioned specific antibiotic member simultaneously, suppressed the clump count of common viable bacteria effectively.
In addition; In the above-described embodiments, the PTFE that changes air filter makes the thickness of porous membrane and the thickness of poly-vinyl system porous membrane, has carried out the analysis of the clump count of common viable bacteria in the same manner described above; Its result; When with the thickness setting of above-mentioned PTFE system porous membrane in the scope of 1 μ m～15 μ m and when the thickness setting of above-mentioned poly-vinyl system porous membrane is in the scope of 120 μ m～170 μ m, same as the previously described embodiments, obtained comparatively ideal results.
Confirmed the thickness (in the scope of 1 μ m～15 μ m) of above-mentioned fluorocarbon resin system porous membrane here, in the following manner.Promptly; At first; [thing of should consulting and deliberating Co., Ltd. makes by host in use; エ Port ッ Network 812 (E.M.grade)], curing agent (thing of should consulting and deliberating Co., Ltd. makes, MNA (methyl nadic anhydride)], [thing of should consulting and deliberating Co., Ltd. makes polymerization promoter, and the epoxy resin that D.M.P.-30 (Tri-dimethyl aminomethyl phenol) constitutes comes above-mentioned fluorocarbon resin system porous membrane has been carried out resin embedding so that the hardening of above-mentioned fluorocarbon resin system porous membrane.Then, (Jeol Ltd. makes, and SM-09010) has formed the cross section of above-mentioned fluorocarbon resin system porous membrane to utilize cross section polishing appearance.At this moment, argon gas is used for processing ion, with ion accelerating voltage be made as 5kV, process velocity is made as 1.3 μ m/ minutes, and (accelerated voltage is 6kV, SiO
2Conversion), the cross section accuracy of positioning is made as 15 μ m (location that utilizes optical microscope to carry out).Afterwards, the charged platinum that alleviates usefulness having been implemented in above-mentioned cross section applies.And (Hitachi High-Technologies Corporation makes, and S-4800) with 3500 times of multiplying powers this cross section is observed to utilize the electric field emission type scanning electron microscope.Its result, though above-mentioned cross section is in uneven thickness,, this thickness is formed in the scope of above-mentioned 1 μ m～15 μ m.
And; Composition ratio, the mean diameter of granular antiseptic, the aperture of water permeability porous bag, the shared volume ratio of the granular antiseptic of water permeability porous bag in-to-in for the granular antiseptic of antibiotic member; Also change numerical value and carry out the analysis of clump count that can common viable bacteria in the same manner as described above; Its result; When in the ratio (low density polyethylene (LDPE)/ion exchanger) of low density polyethylene (LDPE) that will constitute granular antiseptic and ion exchanger is set in the scope of (70 weight %/30 weight %)～(95 weight %/5 weight %), with the mean diameter of granular antiseptic, being set in the scope of 3mm～10mm, the aperture of water permeability porous bag be set in 30～70% the scope of being set in the scope of 50 μ m～100 μ m, with above-mentioned volume ratio; Same as the previously described embodiments, obtain comparatively ideal results.
In the above-described embodiments, show the specific embodiment of the present invention, still, the foregoing description is merely illustration, and should not be construed as and be used to limit the present invention.And, belong to claim equal scope change all within the scope of the invention.
Utilizability on the industry
Water dispenser of the present invention is through using specific air filter and specific antibiotic member simultaneously, thereby prevents that the bacterium class from importing and getting into along with extraneous air, and, suppress the bacterium class and in water dispenser, breed, realize administration of health with simple structure.
Description of reference numerals
1, air filter; 2, antibiotic member.
Claims (3)
1. water dispenser, it comprises: the container connecting portion, it is connected with the oral area of free handling mode with the potable water container containing; Case, the below that it is located at this container connecting portion is used to store the potable water that flows down from said vesse; Water outlet, it is used to take the potable water that is stored in this case; The extraneous air introducing port, it is communicated with via in said vesse connecting portion and the above-mentioned potable water container containing; Air filter, it is characterized in that to cover the state setting of this extraneous air introducing port,
Above-mentioned air filter is the air filter of following (A), in above-mentioned case, is provided with the antibiotic member of following (B),
(A) air filter is made up of with porous membrane the protection of fluorocarbon resin system porous membrane with the table back of the body two sides of being fixed in this fluorocarbon resin system porous membrane; The aperture of above-mentioned fluorocarbon resin system porous membrane is set in the scope of 0.2 μ m～0.8 μ m, the aperture of above-mentioned protection with porous membrane is set at more than the aperture of above-mentioned fluorocarbon resin system porous membrane.
(B) antibiotic member is made up of a plurality of granular antiseptics and the water permeability porous bag that is sealed with these granular antiseptics, above-mentioned granular antiseptic by low density polyethylene (LDPE) with make silver ion and zeolite carry out the ion exchanger that ionic bond forms to constitute.
2. water dispenser according to claim 1, wherein,
In the air filter of above-mentioned (A), with the thickness setting of above-mentioned fluorocarbon resin system porous membrane in the scope of 1 μ m～15 μ m, with above-mentioned protection with the thickness setting of porous membrane in the scope of 120 μ m～170 μ m.
3. water dispenser according to claim 1 and 2, wherein,
In the antibiotic member of above-mentioned (B); The low density polyethylene (LDPE) that constitutes above-mentioned granular antiseptic and the ratio (low density polyethylene (LDPE)/ion exchanger) of ion exchanger are set in the scope of (70 weight %/30 weight %)～(95 weight %/5 weight %); The mean diameter of above-mentioned granular antiseptic is set in the scope of 3mm～10mm; The aperture of above-mentioned water permeability porous bag is set in the scope of 50 μ m～100 μ m, the shared volume ratio of the above-mentioned granular antiseptic of above-mentioned water permeability porous bag in-to-in is set in 30%～70% the scope.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010108411 | 2010-05-10 | ||
| JP2010-108411 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102781814A true CN102781814A (en) | 2012-11-14 |
| CN102781814B CN102781814B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180011912.3A Expired - Fee Related CN102781814B (en) | 2010-05-10 | 2011-04-27 | Water dispenser |
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| Country | Link |
|---|---|
| JP (1) | JP5904717B2 (en) |
| KR (1) | KR101757500B1 (en) |
| CN (1) | CN102781814B (en) |
| TW (1) | TWI527618B (en) |
| WO (1) | WO2011142266A1 (en) |
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| US9689106B2 (en) | 2013-12-06 | 2017-06-27 | Applied Silver, Inc. | Antimicrobial fabric application system |
| US10351807B2 (en) | 2015-08-21 | 2019-07-16 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| US10640403B2 (en) | 2013-08-15 | 2020-05-05 | Applied Silver, Inc. | Antimicrobial batch dilution system |
| US10760207B2 (en) | 2017-03-01 | 2020-09-01 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| US11618696B2 (en) | 2013-08-15 | 2023-04-04 | Applied Silver, Inc. | Antimicrobial batch dilution system |
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| KR102005211B1 (en) * | 2011-07-05 | 2019-07-29 | 닛토덴코 가부시키가이샤 | Porous polytetrafluoroethylene film and air filter filtration material |
| 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 |
| 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 |
| KR20210150571A (en) * | 2019-05-21 | 2021-12-10 | 산토리 홀딩스 가부시키가이샤 | beverage server |
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| US10087568B2 (en) | 2013-12-06 | 2018-10-02 | Applied Silver, Inc. | Antimicrobial fabric application system |
| US10774460B2 (en) | 2013-12-06 | 2020-09-15 | 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 |
| US10351807B2 (en) | 2015-08-21 | 2019-07-16 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| US11292993B2 (en) | 2015-08-21 | 2022-04-05 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| US10760207B2 (en) | 2017-03-01 | 2020-09-01 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
| US11053637B2 (en) | 2017-03-01 | 2021-07-06 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101757500B1 (en) | 2017-07-12 |
| CN102781814B (en) | 2016-01-06 |
| WO2011142266A1 (en) | 2011-11-17 |
| TWI527618B (en) | 2016-04-01 |
| TW201143870A (en) | 2011-12-16 |
| KR20130059315A (en) | 2013-06-05 |
| JP5904717B2 (en) | 2016-04-20 |
| JP2011255960A (en) | 2011-12-22 |
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