CN1233228A - A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge - Google Patents
A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge Download PDFInfo
- Publication number
- CN1233228A CN1233228A CN97198846A CN97198846A CN1233228A CN 1233228 A CN1233228 A CN 1233228A CN 97198846 A CN97198846 A CN 97198846A CN 97198846 A CN97198846 A CN 97198846A CN 1233228 A CN1233228 A CN 1233228A
- Authority
- CN
- China
- Prior art keywords
- water treatment
- filter core
- cladding system
- container
- removable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000005253 cladding Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 34
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 3
- 238000001914 filtration Methods 0.000 description 16
- 239000004744 fabric Substances 0.000 description 11
- 239000000758 substrate Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- 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
- C02F2307/04—Location of water treatment or water treatment device as part of a pitcher or jug
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Filtration Of Liquid (AREA)
Abstract
A replacement water treatment cartridge for a domestic water filter jug comprising a cup-shaped receptacle (21A) containing water treatment medium (26A) and fitted with a removable water impervious membrane (35A, 36A) which covers both the open top of the receptacle (21A) and an outlet (24A) in the bottom of the receptacle (21A). The exterior of the receptacle (21A) has a spiral groove (37) formed in a neck portion (38) thereof near its brim, and a peripheral flange (19A) at the lower end of that neck portion (38). The membranes (35A and 36A) are fitted for storage to retain moisture within the water treatment medium contained within the receptacle (21A). When the cartridge is to be installed, the membranes (35A and 36A) are removed and the cartridge is screwed into a respective opening in the base of a hopper, the peripheral flange (19A) forming a watertight seal with structure of the hopper.
Description
The present invention relates to the water treatment filter core in a kind of service water treatment unit that is used in such as filter kettle, relate to this water treatment filter core is contained in device in the container, and relate to service water treatment unit, especially a kind of filter kettle that this type of water treatment filter core is housed.
Filter kettle generally includes an aqua storage tank that can take out that is supported on by on the formed low dark holding tank cup limit of kettle.This aqua storage tank is suitable for loading a water filtration filter core, and this filter core typically comprises having and is formed at wherein to allow the inflow of water into and to flow out a molded container of the inlet slot of an inner chamber that accommodates the water treatment medium and outlet slot.
In use, this filter core is arranged in the aqua storage tank,, and outlet slot is led to be positioned at the holding tank of aqua storage tank below so that inlet slot leads to by the formed chamber in the inside of aqua storage tank.Therefore, when pouring the water of filtered into aqua storage tank, it flows through filter core, and is cleaned at there, flow in the holding tank from filter core then.This filter core and water treatment medium are enough to purify fully with regard to having guaranteed the residence time of water level in filter core like this.
The water treatment medium of use in this filter core generally comprises a particulate filter, also can comprise the particle of the absorbing material such as activated carbon.In the treating processes of water treatment medium, introduced moisture.This moisture helps to carry out effectively water filtration and water and purifies.Therefore, importantly between the shelf lives of filter core, the water treatment medium is become dry.Yet there is such problem in known filter core, and promptly between the shelf lives, inlet slot and outlet slot can make moisture escape from filter core, thereby has reduced the availability of water treatment medium.A kind of known ways of addressing this issue is the water treatment filter core to be packaged in the plastics bag of sealing sell.Yet this has increased total manufacturing cost of this filter core undoubtedly.
According to an aspect of the present invention, it provides the water treatment filter core in a kind of service water treatment unit that is used in such as filter kettle, and this filter core according to claim 1.
The preferable characteristics of this water filtration filter core are as described in the claim 2-7.
According to another aspect of the present invention, it provides the service water treatment unit of the water treatment filter core that a described aspect of the present invention is housed, especially a kind of filter kettle, and its characteristics are: the removable cladding system of having removed filter core.
One screen is set, normally a screen cloth covers the theme that opening in the water filtration filter core has constituted the international application GB97/02120 that is submitted on August 6th, 1997 by Brita WaterFilter Systems Limited (" Brita " water filter System Co., Ltd).This screen cloth can be made by wire or suitable plastic material, and can have 50 microns-300 microns, 80 microns-200 microns pore size preferably.
An advantage of water filtration filter core of the present invention is: can the water treatment medium be remained in the dampness before needs use this filter core always, and needn't pack expensive and heavy.
Also only embodiment water filtration filter core and a kind of aqua storage tank that is used for two kinds of forms of filter kettle of the present invention described referring now to accompanying drawing in the mode of example, wherein:
Fig. 1 is a kind of cross-sectional view of filter kettle, in this filter kettle, be provided with the aqua storage tank of a support one water filtration filter core, support that part of of filter core except show the excision aqua storage tank with section form, also show the front elevation of aqua storage tank and filter core with the cover cap that exposes filter core;
Fig. 2 is the filter core cover cap seen along the direction of arrow A indication shown in Figure 1 and the view of aqua storage tank peripheral part;
Fig. 3 is along the III of the line shown in Fig. 2-III side cross sectional view;
Fig. 4 is the view that is similar to Fig. 3, shows to be positioned at that aqua storage tank is suprabasil, the opening of the water filtration filter core that is suitable for admitting another kind of form; And
Fig. 5 will be installed to water filtration filter core in the aqua storage tank opening shown in Fig. 4 to be in side partial cross-sectional under the storing state.
Fig. 1 shows a kind of filter kettle 10 that an aqua storage tank 11 wherein is housed.This aqua storage tank 11 is always cup-shaped, and it has a cylinder side wall 12, a substrate 13 and around its glass limit formed one outward extending periphery flange 14.This aqua storage tank 11 is by being placed in its periphery flange 14 to be supported on the cup limit by the formed low dark holding tanks of kettle 10 among this holding tank inside.The substrate 13 of aqua storage tank 11 tilts to the opening 15 that is positioned at the center radially outwardly to the direction of leaving flange 14.This opening 15 is formed by a barrel portion 16, and this barrel portion and opening 15 are in aggregates, and extends to the direction of leaving flange 14 from base part 13.The end of the barrel portion 16 far away apart from flange 14 is formed with a flange 17 that radially inwardly points to.In the vestibule of the barrel portion 16 between the flange 17 of base part 13 and inwardly sensing, be formed with a spiral groove 18.
Make annular lip 32 be seated in the annular shoulder 33, make periphery flange 19 be seated on the annular lip 17 and the cup limit of cup-shaped screen part 27 is seated in and guaranteed on the one hand on the periphery flange 19 between and cup-shaped overskirt part 29 inner, and guaranteed in the inside of aqua storage tank 11 on the other hand and be lower than between the holding tank of this aqua storage tank 11 to set up water-stop substantially by container 21 formed filter cores.
Fork 34 overhangs from the framework that shields part 27, and extend out to the inside of container 21 by the opening that forms its inlet.
When demand, can change this water treatment medium 26 simply.Unscrew and take away and shield part 27.Then, the vestibule by barrel portion 16 lifts container 21.One filter core of replacing is inserted its position, and will shield part 27 and screw togather on the throne again.
By the present invention, for the purpose that stores, by the formed mouth in the top of cup-like container 21 and be positioned at its substrate 23 opening 24 each by 35,36 coverings of a removable tectum, this tectum is by for example paper tinsel or the made removable film of plastics.Film 35,36 sealed vessels 21 are so that among the memory period of filter core is retained in moisture the water treatment medium 26 that is contained in wherein.More convenient is that each removable tectum 35,36 has an easy part of catching, in the time of need using this filter core with box lunch tectum being removed with finger.Yet, fork 34 is set in screen part 27 can not need before installation, tectum 35 be removed from the mouth of container 21.This be because, as shown in Figure 3, screw togather just when screen part 27 and to put in place so that when being clipped in periphery flange 19 on the circular base, fork 34 has pierced through barrier film 35.For simplicity, show on the position that barrier film 36 is in cover outlet 24 with long and short dash line among Fig. 3.
Can adopt any type of tectum, as long as when the inlet of the container 21 that it is installed in filter core and/or outlet are gone up, it can prevent moisture from being contained in the water treatment medium escape in this filter core, and can selectively be opened when needs use.For example, this tectum can be a kind of " clamping (clipon) " part.This " clamping " part can be suitable for reinstalling to filter core after using.This is repeated to utilize at the water treatment medium, promptly reinstall this " clamping " part like this so as in filter core used water treatment medium be stored into reuse till the time special benefits.Another superiority is, when extraction has the filter core of " clamping " part that is reinstalled in there, can avoid overflowing of water treatment medium.
The device that embodies assembling filter core of the present invention is not limited to above-mentioned referring to figs. 1 through in the described aqua storage tank that takes out that is mounted to filter kettle of Fig. 3.A kind of filter kettle of form has been proposed, wherein cross a next door of extending this inside by place more below and be divided into two compartments by the inside of the formed low dark holding tank of kettle body, assemble from the top owing to replace filter core, therefore above-mentionedly be adapted at using in this set referring to figs. 1 through the described installation form of Fig. 3.
Designed the filter core that embodies another kind of form of the present invention, it is used for screwing togather to forming in the barrel portion of opening in the substrate of aqua storage tank from the below.Fig. 4 shows this assembling, and Fig. 5 shows a replacement filter core that is used to be installed on wherein.Be similar to and above-mentionedly partly have identical label, just added suffix letter A referring to figs. 1 through the assembled portion shown in Figure 4 of illustrated corresponding assembled portion that Fig. 3 addresses and filter core shown in Figure 5.
The periphery flange 19A of container 21A be formed on be arranged in sidewall 22A, with the position separating, cup limit of cup-like container 21A on.One spiral groove 37 is formed in the outside surface of the cup limit that constitutes a neck 38 and extend in container 21A and that part of sidewall 22A between the periphery flange 19A.The screw thread that in the substrate 13A of aqua storage tank 11A, meshes in the vestibule formation of the barrel portion 16A of formation opening 15A and the spiral groove.
Fig. 5 shows the container 21A that removable coating film 35A and 36A are housed.Replace filter core 21A in order to install, be used to peel off that part of finger piece (finger) of coating film 35A and 36A and these films are peelled off by holding, and neck 38 screwed togather to the vestibule of barrel portion 16A, engage its lower end with till forming water-stop up to periphery flange 19A.
The cup-shaped screen part 27A of one upset extends in the top by the formed filter core inlet of the opening of the top end that is positioned at container 21A.This screen spare 27A is similar to above-mentioned referring to figs. 1 through the described screen spare of Fig. 3, and just this screen spare does not comprise that part of under annular lip 32 of overhanging of overskirt part 29.The annular lip 32A of this screen spare 27A is seated within the corresponding annular shoulder 33A to form water-stop.
The size in screen cloth 25 and 31 hole is enough to make that water flows through, and simultaneously less than the particulate of water treatment medium 26, so that in use, those particulates can not escaped away from container 21,21A.Usually select about 50 microns-300 microns, preferably be 80 microns-200 micron pore size.
Except using by the hole that screen covered such as screen cloth, another kind of form is for using slit, and the width of these slits is less than the size of particulate, so that particulate can't pass through these slits.
Though with reference to accompanying drawing among described all embodiment, container screws togather to by in the formed opening of the barrel portion of aqua storage tank, should be appreciated that and also can adopt any proper device that filter core is connected to aqua storage tank above-mentioned.For example, be suitable for filter core pushing or interlock be assemblied among the opening of aqua storage tank substrate.
In use, the water of filtered is poured in the compartment of aqua storage tank 11,11A.Water flow through be arranged in screen part 27,27A by groove 30,30A that screen cloth covered, flow through water treatment medium 26,26A among container 21, the 21A then.When water is introduced into the aqua storage tank compartment, even water turbulent flow in container 21,21A refluxes, guaranteed that between screen part 27,27A and aqua storage tank 11, the substrate 13 of 11A, the sealing between the 13A water only flows upward in the aqua storage tank compartment by screen cloth 31,31A, prevented with this that particulate of water filtration medium 26,26A from moving in the compartment.After being filtered, this water flows out this filter core by screen cloth 25, the 25A that is positioned at its bottom in case water flows through water filtration medium 26,26A.The existence of screen cloth 25,25A can prevent that the particulate of water filtration medium 26,26A from entering and hold inside filtering water, that be positioned at the holding tank of aqua storage tank 11,11A below.
Above-mentioned container 21,21A and/or aqua storage tank 11,11A can moldedly form.Said according to International Application PCT/GB97/02120, screen cloth 25,25A, 31,31A can join during it is molded in container 21,21A or screen part 27, the 27A.
Use the present invention have one removable tectal, be used in the aqua storage tank that an outlet member is housed or an advantage of a kind of water filtration filter core in a kind of similar assembling in a filter kettle is, because each filter core only need possess its removable sealing member, and need not extra nonvolatil sealing or inlet part, therefore reduced the replacement cost of water filtration filter core.
Claims (8)
1. the water treatment filter core in the service water treatment unit that is used in such as filter kettle, described filter core comprises the container with an entrance and exit, be contained in water treatment medium among the described container between described inlet and described outlet, wherein removable cladding system is mounted to described container, so that cover described inlet thus, wherein, described removable cladding system is moistureproof, provide another same moistureproof removable cladding system to cover described outlet thus, this set is for the described water treatment medium that will be arranged in described container by described removable cladding system and described another removable cladding system remains on dampness, when removing described removable cladding system and described another removable cladding system up to described filter core being used in described service water treatment unit till.
2. water treatment filter core as claimed in claim 1 is characterized in that, described removable cladding system and described another removable cladding system respectively comprise a removable film.
3. water treatment filter core as claimed in claim 2 is characterized in that described removable film is made by foil material.
4. water treatment filter core as claimed in claim 2 is characterized in that, described removable film is a plastic film.
5. water treatment filter core as claimed in claim 1 is characterized in that, described removable cladding system and described another removable cladding system respectively comprise a clamping element.
6. as the described water treatment filter core of each claim among the claim 1-5, it is characterized in that, described inlet and/or outlet comprise some holes that are formed in the described container, and the size in each hole is made forbids that the described water treatment medium that is particulate form therefrom passes through.
7. as the described water treatment filter core of each claim among the claim 1-6, it is characterized in that, described container is cup-shaped, and be provided with it is supported among the described service water treatment unit so that its device that overhangs from its glass limit, when using described filter core, the mouth that opens wide described cup-like container is to be formed on the described inlet that needs the described filter core of use to be covered by described removable cladding system before.
8. be equipped with as the service water treatment unit of the described water treatment filter core of each claim among the claim 1-7, especially a kind of filter kettle, wherein, removed described removable cladding system and described another removable cladding system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9621637.9 | 1996-10-17 | ||
| GBGB9621637.9A GB9621637D0 (en) | 1996-10-17 | 1996-10-17 | A water treatment cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1233228A true CN1233228A (en) | 1999-10-27 |
Family
ID=10801566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97198846A Pending CN1233228A (en) | 1996-10-17 | 1997-10-17 | A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP0946421A1 (en) |
| JP (1) | JP2001502596A (en) |
| KR (1) | KR20000049271A (en) |
| CN (1) | CN1233228A (en) |
| AU (1) | AU4713197A (en) |
| BG (1) | BG103326A (en) |
| CA (1) | CA2269070A1 (en) |
| EA (1) | EA199900290A1 (en) |
| EE (1) | EE9900159A (en) |
| GB (1) | GB9621637D0 (en) |
| HU (1) | HUP9904358A2 (en) |
| ID (1) | ID21918A (en) |
| IL (1) | IL129401A0 (en) |
| NO (1) | NO991845D0 (en) |
| PL (1) | PL332800A1 (en) |
| SK (1) | SK49899A3 (en) |
| TR (1) | TR199900845T2 (en) |
| WO (1) | WO1998017582A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798134B (en) * | 2010-01-19 | 2012-07-18 | 上海聚蓝水处理科技有限公司 | Filter kettle filter core with activity maintaining function |
| WO2018018663A1 (en) * | 2016-07-28 | 2018-02-01 | 林晓丽 | Water filtering container for brewing scented tea |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952757A1 (en) * | 1999-11-02 | 2001-05-03 | Brita Gmbh | Filter device for liquids |
| US7107838B2 (en) | 2004-04-19 | 2006-09-19 | Fook Tin Technologies Ltd. | Apparatus and methods for monitoring water consumption and filter usage |
| US7487677B2 (en) | 2004-04-19 | 2009-02-10 | Fook Tin Technologies Ltd. | Apparatus and methods for monitoring water consumption and filter usage |
| GB0421522D0 (en) | 2004-09-15 | 2004-10-27 | Domnick Hunter Ltd | A device for treating a flowing liquid |
| CA2607734A1 (en) * | 2005-05-25 | 2006-11-30 | Laica S.P.A. | Filtering device for filtering water and liquids in general |
| KR100825680B1 (en) * | 2006-12-19 | 2008-04-29 | 우영배 | The water tank which has a purification function |
| JP5286769B2 (en) * | 2007-12-10 | 2013-09-11 | 東レ株式会社 | Water purifier |
| RU2548079C2 (en) * | 2010-08-12 | 2015-04-10 | Мицубиси Рейон Клинсуй Компани, Лимитед | Water treatment cartridge and water treatment device with such cartridge |
| CN103068741B (en) | 2010-08-12 | 2014-09-10 | 三菱丽阳可菱水株式会社 | Structure for opening section, and water purification cartridge |
| JP5793926B2 (en) * | 2011-01-25 | 2015-10-14 | 東レ株式会社 | Water purifier cartridge, water purifier, and method for producing water purifier cartridge |
| IL217850A0 (en) | 2011-02-08 | 2012-03-29 | Strauss Water Ltd | Beverage dispenser with a removable filter |
| RU2618826C2 (en) | 2011-02-09 | 2017-05-11 | Мицубиси Рейон Клинсуй Компани, Лимитед | Water purification cartridge and water purification device of jug type |
| RU2538746C2 (en) * | 2012-02-27 | 2015-01-10 | Закрытое Акционерное Общество "Аквафор Продакшн" (Зао "Аквафор Продакшн") | Filtration module and water cleaner (versions) |
| GB2504501A (en) * | 2012-07-31 | 2014-02-05 | Charles Joseph Williamson | Jug water filter cartridge |
| US9950933B1 (en) | 2013-08-06 | 2018-04-24 | Brita Lp | Water pitcher system |
| RU2709315C1 (en) | 2019-07-25 | 2019-12-17 | Акционерное общество "БВТ БАРЬЕР РУС" (АО "БВТ БАРЬЕР РУС") | Filtration module of gravity filter for purification of drinking water |
| RU2708855C1 (en) | 2019-07-25 | 2019-12-11 | Акционерное общество "БВТ БАРЬЕР РУС" (АО "БВТ БАРЬЕР РУС") | Filtering device of gravity filter for softening and purification of drinking water |
| KR102425414B1 (en) | 2020-01-30 | 2022-07-27 | 윤형건 | Water purifying filter and water bottle having the same |
| RU2747923C1 (en) * | 2020-10-07 | 2021-05-17 | Акционерное общество "БВТ БАРЬЕР РУС" (АО "БВТ БАРЬЕР РУС") | Gravity filter filtering device for softening and purifying drinking water |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5290460A (en) * | 1976-01-27 | 1977-07-29 | Mitsubishi Rayon Co Ltd | Cartridge element and its production |
| DE3712284A1 (en) * | 1987-04-10 | 1988-10-27 | Leifheit Ag | DEVICE FOR IMPROVING THE QUALITY OF DRINKING WATER |
| FR2625071B1 (en) * | 1987-12-28 | 1990-05-04 | Caissel Jacques | PRODUCT AND METHOD FOR BIOLOGICAL REGENERATION OF AN AQUATIC MEDIUM, IN PARTICULAR WATER FROM AN AQUARIUM |
-
1996
- 1996-10-17 GB GBGB9621637.9A patent/GB9621637D0/en active Pending
-
1997
- 1997-10-17 CN CN97198846A patent/CN1233228A/en active Pending
- 1997-10-17 HU HU9904358A patent/HUP9904358A2/en unknown
- 1997-10-17 TR TR1999/00845T patent/TR199900845T2/en unknown
- 1997-10-17 EE EEP199900159A patent/EE9900159A/en unknown
- 1997-10-17 EA EA199900290A patent/EA199900290A1/en unknown
- 1997-10-17 SK SK498-99A patent/SK49899A3/en unknown
- 1997-10-17 IL IL12940197A patent/IL129401A0/en unknown
- 1997-10-17 PL PL97332800A patent/PL332800A1/en unknown
- 1997-10-17 EP EP97909445A patent/EP0946421A1/en not_active Withdrawn
- 1997-10-17 AU AU47131/97A patent/AU4713197A/en not_active Abandoned
- 1997-10-17 WO PCT/GB1997/002871 patent/WO1998017582A1/en not_active Application Discontinuation
- 1997-10-17 CA CA002269070A patent/CA2269070A1/en not_active Abandoned
- 1997-10-17 JP JP10517823A patent/JP2001502596A/en active Pending
- 1997-10-17 KR KR1019990703380A patent/KR20000049271A/en not_active Application Discontinuation
- 1997-10-17 ID IDW990205D patent/ID21918A/en unknown
-
1999
- 1999-04-13 BG BG103326A patent/BG103326A/en unknown
- 1999-04-16 NO NO991845A patent/NO991845D0/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798134B (en) * | 2010-01-19 | 2012-07-18 | 上海聚蓝水处理科技有限公司 | Filter kettle filter core with activity maintaining function |
| WO2018018663A1 (en) * | 2016-07-28 | 2018-02-01 | 林晓丽 | Water filtering container for brewing scented tea |
Also Published As
| Publication number | Publication date |
|---|---|
| NO991845L (en) | 1999-04-16 |
| TR199900845T2 (en) | 1999-07-21 |
| BG103326A (en) | 1999-11-30 |
| EA199900290A1 (en) | 1999-12-29 |
| WO1998017582A1 (en) | 1998-04-30 |
| AU4713197A (en) | 1998-05-15 |
| SK49899A3 (en) | 1999-11-08 |
| HUP9904358A2 (en) | 2000-04-28 |
| PL332800A1 (en) | 1999-10-11 |
| KR20000049271A (en) | 2000-07-25 |
| JP2001502596A (en) | 2001-02-27 |
| GB9621637D0 (en) | 1996-12-11 |
| EP0946421A1 (en) | 1999-10-06 |
| EE9900159A (en) | 1999-12-15 |
| IL129401A0 (en) | 2000-02-17 |
| ID21918A (en) | 1999-08-12 |
| CA2269070A1 (en) | 1998-04-30 |
| NO991845D0 (en) | 1999-04-16 |
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