CN1191765A - Water purifier - Google Patents
Water purifier Download PDFInfo
- Publication number
- CN1191765A CN1191765A CN97120490A CN97120490A CN1191765A CN 1191765 A CN1191765 A CN 1191765A CN 97120490 A CN97120490 A CN 97120490A CN 97120490 A CN97120490 A CN 97120490A CN 1191765 A CN1191765 A CN 1191765A
- Authority
- CN
- China
- Prior art keywords
- water
- water purification
- flexible pipe
- hot water
- vessel
- 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 313
- 238000000746 purification Methods 0.000 claims description 112
- 230000002265 prevention Effects 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 5
- 238000003860 storage Methods 0.000 abstract description 3
- 230000003449 preventive effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 239000008399 tap water Substances 0.000 description 9
- 235000020679 tap water Nutrition 0.000 description 9
- 238000001223 reverse osmosis Methods 0.000 description 8
- 230000001954 sterilising effect Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003183 carcinogenic agent Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000007634 remodeling Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 108091006146 Channels Proteins 0.000 description 2
- 231100000357 carcinogen Toxicity 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000002650 habitual effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/125—Safety means, e.g. over-pressure valves
Abstract
The invention provides a water purifier, which is provided with a hot water refluence preventive component inside a tube. The hot water refluence preventive component comprises a tube plug and a ball. When clean water inside a clean water storage tank flows into a hot water vessel, the ball moves up to contact with the tube plug under the pressure of the water to open the passageway of the tube to ensure that the water flows smoothly; when the clean water is run out, the ball moves down because of self weight to close the passageway of the tube and prevent the clean water from flowing back to the clean water storage tank.
Description
A kind of anti-penetration water purifier of having removed or having neutralized the tap water of deleterious and undesirable impurity that is used to provide is provided.More particularly, the present invention relates to a kind of water purifier, it can prevent that the water purification in hot water vessel from flowing back into the water purification basin.
With reference to the accompanying drawings conventional techniques is described below.
Usually, water purifier is to provide water purification after being used for removing the contained various objectionable impuritiess of fresh water.
According to the method for purifying, this water purifier can be divided into natural, direct filtration type, ion-exchange type and reverse osmosis type or the like.Particularly, the water purifier of reverse osmosis type applies certain pressure to fresh water, makes it pass an artificial semipermeable partition, thereby water is purified.Water purifier separates and heavy metal, bacterium, carcinogenic substance or the like is removed then, only allows pure water and the oxygen that is dissolved in wherein to pass through simultaneously.Water purifier has been used for high science and technology or accurate industry, is used for cleaning electronic component or is used for medical treatment in hospital, has been used to family and shop that portable water is provided in recent years.
A kind of reverse osmosis type water purifier commonly used, as shown in Figure 1, it comprises a water purification basin 10; A cold water vessels 20, its be located immediately at water purification basin 10 below, and have the water purification that aquaporin accepts self-purification basin 10 at any time; A hot water vessel 30 is installed the same with the water purification basin highly; One connects flexible pipe 40, and water purification basin 10 is connected with hot water vessel 30, can deliver to the water purification in the water purification basin 10 in the hot water vessel 30 and go; And a magnetic valve 50, be connected on the flexible pipe 40, according to electronic control signal control magnetic valve, to prevent that water purification in hot water vessel 30 from flowing back in the water purification basin 10.
But, flowing back in the water purification basin 10 in order to prevent the water purification in hot water vessel 30, habitual water purifier is equipped with magnetic valve 50 at the middle part that connects flexible pipe 40.This structure makes the electronic circuit of water purifier complicated with construction, causes total cost of production to increase, thereby is unfavorable for producing.
The two ends that connect flexible pipe 40 are connected to the bottom of water purification basin 10 and hot water vessel 30, and water purification flows into hot water vessels 30 by water purification basin 10 through connecting flexible pipes 40, can not resistant function in the pressure of the water of hot water vessel 30 inside, so flow velocity is very slow.
Therefore, the object of the present invention is to provide a kind of water purifier, this water purifier has been eliminated the shortcoming in the relevant technologies basically and has been limited one or more difficult problems that caused.
An object of the present invention is to provide a kind of water purifier that prevents the hot water reflux assembly that comprises, its production cost is reasonable, and is simple in structure, do not need electronic circuit, and it can be contained on the flexible pipe that connects water purification basin and hot water vessel, thereby helps producing.
Another object of the present invention provides a kind of water purifier with flexible pipe of improved connection water purification basin and hot water vessel, when the water purification in the water purification basin is supplied with hot water vessel through connecting flexible pipe, do not need to accept pressure, and can make water purification enter hot water vessel glibly to the water of hot water vessel internal action.
Other advantage of the present invention and feature will be stated in the following description, or partly show in specification sheets, or understand when of the present invention putting into practice.Recognize in the device structure that purpose of the present invention and other advantage can particularly point out from specification sheets and claims and the accompanying drawing, and put into effect.
According to purpose of the present invention, in order to realize each advantage of the present invention, as embodiment with briefly describe in detail, the invention discloses a kind of water purifier that on flexible pipe, has a hot water backflow prevention assembly, can water purification in the water purification basin be flow in the hot water vessel by flexible pipe and go.The inside of hot water backflow prevention assembly expansion section s on the flexible pipe vertical line comprises a pipe close; A ball is arranged in the pipe expansion section s, when the water purification in the water purification basin flows to water-heater, the hydraulic pressure that utilization acts in hot water vessel makes the ball contact pipe close that moves up, and in flexible pipe, open a path, water is flow through swimmingly, after the water purification supply is finished, because the weight of itself, ball moves down the path of closing flexible pipe, is back in the water purification basin to prevent water purification.
Should be appreciated that above general narration and following being described in detail are all regarded as for example and illustrative, will be described further claim of the present invention below.
Accompanying drawing comprises further to be understood the present invention, and comprises and form the part of specification sheets of the present invention, the expression inventive embodiment, and and specification sheets explain the principle of invention jointly:
In the accompanying drawings:
Fig. 1 is a kind of sectional view of habitual water purifier;
Fig. 2 is the skeleton view of the overall structure of water purifier of the present invention;
Fig. 3 is the perspective internal view of water purifier of the present invention;
Fig. 4 is the exploded perspective illustration of water purifier of the present invention inside;
Fig. 5 is the sectional view of water purifier of the present invention;
Fig. 6 is the exploded perspective illustration that has a hot water backflow prevention assembly of the present invention of a ball and a pipe close; With
Fig. 7 A and 7B represent the Operation Profile figure of hot water backflow prevention assembly of the present invention.
Carefully, use the description of drawings example with reference to the preferred embodiments of the invention.
Shown in Fig. 2 to 7, water purifier comprises a chassis 210, this chassis causes air outside the specified portions of main body 200 inside that various parts are housed thereon, first and second supports 260 and 270 each all vertically and equal height be installed in the both sides on chassis 210, so front panel 220, rear panel 230, the first and second sidewalls 240 and 250, they and the first, the second support 260 are connected with 270 by several connecting processes with top panel 190.Water purifier also comprises an intermediate plate 280, and it is installed in the middle part of relative first support 260 and second support 270, thereby forms upper and lower space K and L, and each all has predetermined area.
On the chassis 210 in the middle of constitute a clock mouth 211, it extends upwardly to predetermined height, therefore when the air admission main body 200 of outside, airflow is directed to a point, fan is screwed the inside at clock mouth 211.Around clock mouth 211, a sterilizing filter is housed, a compression pump, a draining control valve and a transformer that is placed on the predetermined height, thus prevent short circuit and submergence.
A hole 333 is arranged at the top, side of tank body 331, by filter element 350 filtering water, be connected the inside that flexible pipe 370 enters tank body 331 by it with first, or water purification rises in tank body 331 above certain water level just through 371 discharges of the second connection flexible pipe through it.The front lower of tank body 331 also has one first outlet 334.It can make the water purification in tank body 331 flow to the outside through the 3rd connection flexible pipe 372.The back basifacial of tank body 331 also has one second outlet 335, and the water purification in the tank body 331 connects flexible pipe 373 by the 4th and flow in the hot water vessel 360.In addition, also have one the 3rd outlet 336, be used for making the water purification of tank body 331 to flow in the cold water vessels 450 (following will being described in detail) in the centre of tank base.
A vertically arranged water level sensor 380 is arranged on lid 332, detect the water purifying water surface in the tank body 331 multistagely.A sterilamp 390 vertically inserts in the cold water vessels 450 through water purification basin 330, so that the water purification in water purification basin 330 and the cold water vessels 450 is carried out the sterilization second time.
On the predetermined position of the 4th connection flexible pipe 373 a hot water backflow prevention assembly 300 is arranged, can make the water purification in water purification basin 330 be sent to hot water vessel 360, but prevent to be back to again water purification basin 330 through the 4th connection flexible pipe 373.
Fig. 6 and 7 illustrates, water purification basin 330 comprises a pipe expansion section s 373a, it is positioned at the 4th and connects on the predetermined position of flexible pipe 373 vertical lines, pipe close 302 is positioned at the top of pipe expansion section s 373a, make water purification can go up current downflow, a ball 303 is located among the pipe expansion section s 373a, when the water purification in the water purification container 330 was supplied to hot water vessel 360, the hydraulic pressure of generation moved up ball, and when it touches pipe close 302, stop to move up, make current unobstructed, after the water purification in water purification basin 330 was delivered to hot water vessel 360 fully, it was because the moved downward of itself, block the 4th and connect the last path of flexible pipe 373, thereby prevent that water purifying from refluxing.
The 4th side that connects flexible pipe 373 is installed in the predetermined height of hot water vessel 360 sidewalls, opposite side then is connected in the predetermined height of water purification basin 330 sidewalls, thereby the water purification in water purification basin 330 overcomes hydraulic pressure, connects flexible pipe 373 through the 4th glibly and enters hot water vessel 360.Centre at pipe close 302, a hole 302a is arranged, when ball 303 moves up owing to hydraulic pressure, can not stop up the upper channel of pipe expansion section s 373a, inner periphery at hole 302a has disposed a plurality of groove 302b, in a certain distance apart from one another, make the water purification in the water purification basin 330 can flow into hot water vessel 360 glibly.The density of material of manufacturing ball 303 is greater than the density of water.
Side on cold water vessels 450 tops is equipped with a temperature sensing rod 520, and it inserts in the cold water vessels 450, is used for the temperature that keeps cold water up and down between the water surface at cold water.
Fig. 4 illustrates, and constitutes a valve carriage 281 in the place ahead of intermediate plate 280 integral body, is used for supporting respectively first to the 3rd electrovalve 530,532 and 532, according to electrical signal, these valves are controlled respectively by water purification basin 330, effusive water in hot water vessel 360 and the cold water vessels 450.Corresponding first to the 3rd electrovalve 530, a side of 531 and 532 respectively with scupper hose 540,541 are connected with 542, and water is flowed out through these water shoots by first outlet 334 of water purification basin 330 and the outlet (not shown) of hot water vessel 360 and cold water vessels 450.A branch water tube hose 550 is connected to the opposite side of each first to the 3rd electrovalve 530,531 and 532, and by water purification basin 330, hot water vessel 360 and cold water vessels 450 flow to a bit through this pipe through first to the 3rd electrovalve 530,531 and 532 effusive water.
Following description relates to operation of the present invention and advantage.
If a running water switch (not shown) is connected on the water purifier of the present invention, and opens it, the pressure that then utilizes suffered pressure of tap water and operation compression pump 400 to be produced, the tap water of the filter element 350 of flowing through is purified.
When tap water was flowed through sediment filter 351, the suspended impurity in the tap water was removed.Water flows through pretreatment filters 352 then, removes chemical substance such as muriate there from water.After the pre-treatment, water enters reverse osmosis filter 353, so the heavy metal in the water and carcinogens have been removed.Then, the water that is come out by reverse osmosis filter 353 enters posttreatment filter 354, removes peculiar smell and poisonous gas.355 pairs of water from posttreatment filter 354 of sterilizing filter carry out the sterilization first time.Water is conducted to water purification basin 330 through the first connection flexible pipe 370 that is connected to water purification basin 330 tops then, as shown in Figure 5.A part is conducted to the water purification of water purification basin 330, is connected flexible pipe 373 with the 4th of hot water vessel 360 rear portions through being connected to water purification basin 330 rear portions, deliver to hot water vessel 360 arrive its water surface of being scheduled to when identical with the water surface in the water purification basin 330 till.In addition, a part of water purification is filled cold water vessels 450 through the 3rd outlet 336 of water purification basin 330 bottoms.In case at water purification basin 330, and after the water in hot and cold water receptacle 360 and 450 all reached the predetermined water surface, according to vertically being contained on water purification basin 330 lids 332, be used for the signal of transmitter 380 output of the multistage detection water purification water surface, the supply of tap water is cut off in compression pump 400 shut-down operations simultaneously.
If each water surface of water purification basin 330 and hot and cold water receptacle 360 and 450 has reduced, water level sensor 380 carries out detecting to the water surface of each container multistagely, and the water surface that records shows with main printed circuit board on the controlling board 290 of plate 220 in front.That is, the user is told in this demonstration the volume of the water of using up till now.
Water purification in water purification basin 330 and cold water vessels 450 is gone out by dispensing, if its water surface is lower than the water surface of hot water vessel 360, be that water is when stopping to flow to hot water vessel 360 by water purification basin 330, be located in the 4th ball 303 that connects among the expansion section s 373a of flexible pipe 373, then, act on the pressure of the water in the hot water vessel 360, make it contact the 4th and connect flexible pipe 373 owing to the moved downward of self, thereby stopped up the 4th and connect the upper channel of flexible pipe 373, and prevented the water purifying backflow.
When the water purification in the water purification basin 330 was supplied in the hot water vessel 360, ball 303, and stopped on the hole 302a of pipe close 302 shown in Fig. 7 A because the pressure of water moves up.Therefore because ball 303 is not connected the inside circumference of flexible pipe 373 contacts with the 4th, is positioned at a plurality of grooves of hole 302a inside circumference and flows into hot water vessel 360 so water purification passes through.
The 4th side that connects flexible pipe 373 is contained in the predetermined height on hot water vessel 360 sidewalls, opposite side is contained in the predetermined height on water purification basin 330 sidewalls, thereby the water purification in the water purification basin 330 enters hot water vessel 360 glibly through the pressure that the 4th connection flexible pipe 373 overcomes water.
Vertically arranged sterilamp 390 on the lid 332 of water purification basin 330 has a tip of vertically putting into cold water vessels 450 by the 3rd outlet 336, and this sterilamp carries out second time to the water in water purification basin 330 and the cold water vessels 450 and sterilizes.The infrared rays that sterilamp 390 produces projects on the water purification in water purification basin 330 and the cold water vessels 450, has suppressed the breeding of the microorganism that may exist when water is not emitted in the 330 medium-term and long-term storages of water purification basin effectively.
If the well heater (not shown) that is arranged on the hot water vessel 360 is started working, it will be by the predetermined temperature of electrical current heat to, thereby heat is passed to water purification in the hot water vessel 360.
After the heat-transferring assembly 492 of fan 470 and heat exchanger 490 is started working, motor 471 drive fan 472 of fan 470 are rotated, because the rotation of fan 472, make extraneous air flow to main body 200, thereby directly run into the heat abstractor 495 of heat exchanger 490 through the clock mouth 211 at 210 middle parts, chassis.Air outside turns cold heat abstractor 495, according to the characteristic of heat-transferring assembly 492, repeats the refrigeration cycle to outside heat release, reaches cold sink 491, and the water purification in the cold water vessels 450 just has been cooled.
When the user will be put into the cold water in cold or hot water vessel 450 or 360 or hot water in the glass cylinder, he should press the button of purifying waste water, press the power knob of the controlling board 290 on the plate 220 in front simultaneously, glass cylinder be put into send water tube hose 550 just below, promote to be located at the button 310 of front panel 220 bottoms then.
When button 310 is mobile backward, a moving contact and a stationary contact (not shown) in button inside are sent connection signal to a microcomputer (not shown), microcomputer is explained this input signal, and according to procedure operation first electrovalve of importing 530, has therefore opened the water route.After opened in the water route, the water purification of water purification basin 330 flow through the branch water tube hose 540 that connects first electrovalve 530 and water purification basin 330, and process connects in the branch water tube hose 550 and inflow glass cylinder of first electrovalve 530.Be collected in the waste water of bucket 320 in the feedwater process, process connects the water pipe (not shown) of bucket 320 and draining control valve 460 and discharges.
According to water purifier of the present invention, the flexible pipe that connects water purification basin and hot water vessel has a hot water backflow prevention assembly on its vertical pipeline, it comprises a pipe close and a ball, and ball can move up and down, so that open and close the water route of flexible pipe, thereby reduced production cost.Hot water backflow prevention unit construction of the present invention is simple, without any need for electronic circuit.
In addition, the entrance and exit of flexible pipe is connected on certain certain altitude of sidewall of water purification basin and hot water vessel separately, makes the water purification in the water purification basin flow into hot water vessel through flexible pipe, and does not need to bear the hydraulic pressure that acts in the hot water vessel.
Concerning the stager of present technique field, clearly do not exceeding under the spirit and scope of the invention situation, can make various remodeling and change to water purifier of the present invention.Therefore, if when these remodeling and change do not exceed the content of institute additional claim and its equivalent, then the present invention has also comprised remodeling and the change that the present invention is done.
Claims (5)
1. the water purifier that has hot water backflow prevention device on flexible pipe is used for making the water purification of water purification basin to flow into a water-heater through flexible pipe, and said hot water backflow prevention device comprises:
Blocking device is arranged in the inside of the expansion section s of pipe on the vertical line of flexible pipe;
A ball, place the expansion section s of pipe, when the water purification in the water purification basin is conducted in the hot water vessel, owing to act on the pressure of the water to the hot water vessel, the ball contact blocking device that moves up is opened a passage water is flowed unobstructedly on flexible pipe, perhaps after the water purifying supply is finished, because the weight of ball moves down it, closes the passage of flexible pipe, is back in the water purification basin to prevent water purification.
2. water purifier as claimed in claim 1, wherein, blocking device is included in the passageway of blocking device intermediate formation, moves up the upwards path of the expansion section s of sealed tube in order to prevent ball to be subjected to the pressure of water.
3. water purifier as claimed in claim 1, wherein, ball is to make with the density material bigger than water.
4. water purifier as claimed in claim 1, wherein, blocking device forms with the expansion section s of pipe is whole in flexible pipe.
5. water purifier as claimed in claim 1, wherein, one side of flexible pipe is connected on the hot water vessel sidewall to predetermined height from its bottom, and opposite side is connected on the water purification basin sidewall from its bottom to predetermined height, thereby makes water purification in the water purification basin overcome unobstructed the flowing in the hot water vessel of pressure of water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970006653A KR19980069544A (en) | 1997-02-28 | 1997-02-28 | Hot water backflow prevention device for water distributor |
| KR6653/97 | 1997-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1191765A true CN1191765A (en) | 1998-09-02 |
Family
ID=19498410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120490A Pending CN1191765A (en) | 1997-02-28 | 1997-10-21 | Water purifier |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10235337A (en) |
| KR (1) | KR19980069544A (en) |
| CN (1) | CN1191765A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437087A (en) * | 2014-11-13 | 2015-03-25 | 广东艾沃科技有限公司 | Multifunctional water tank |
| JP6584792B2 (en) * | 2015-02-24 | 2019-10-02 | 広島化成株式会社 | Hydrogen water production equipment |
| JP6373792B2 (en) * | 2015-04-22 | 2018-08-15 | 日機装株式会社 | Sterilizer |
| CN113180477A (en) * | 2021-06-07 | 2021-07-30 | 北京悦米科技有限公司 | Pollution-free underneath type water dispenser duct system capable of supplementing trace elements |
-
1997
- 1997-02-28 KR KR1019970006653A patent/KR19980069544A/en active IP Right Grant
- 1997-10-20 JP JP9287302A patent/JPH10235337A/en active Pending
- 1997-10-21 CN CN97120490A patent/CN1191765A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980069544A (en) | 1998-10-26 |
| JPH10235337A (en) | 1998-09-08 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |