CN1082246A - The chemical tunicle of ccontaining electrolytic capacitor galvanized wire electrode generates container - Google Patents
The chemical tunicle of ccontaining electrolytic capacitor galvanized wire electrode generates container Download PDFInfo
- Publication number
- CN1082246A CN1082246A CN93109760A CN93109760A CN1082246A CN 1082246 A CN1082246 A CN 1082246A CN 93109760 A CN93109760 A CN 93109760A CN 93109760 A CN93109760 A CN 93109760A CN 1082246 A CN1082246 A CN 1082246A
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- galvanized wire
- wire electrode
- drum ladle
- container
- 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.)
- Granted
Links
- 239000000126 substance Substances 0.000 title claims abstract description 68
- 239000003990 capacitor Substances 0.000 title claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The chemical tunicle that the present invention discloses a kind of ccontaining electrolytic capacitor galvanized wire electrode generates container, comprise a drum ladle and an infundibulate baffle plate that is pressed in the described drum ladle of being made by nonmagnetic substance, the undergauge end of baffle plate places the bottom of drum ladle.A large amount of galvanized wire electrodes is the location through the guiding of the tapered wall of infundibulate baffle plate and reposefully, by boundling with concentrate in together.Be inverted when the chemical tunicle that this is equipped with a large amount of spongy lead electrodes generates container, and when placing container bottom to attract the galvanized wire electrode one magnetic pole, the flat part of all galvanized wire electrodes will fitly be arranged on the same level.
Description
The chemical tunicle that the present invention relates to be used for the galvanized wire electrode of ccontaining electrolytic capacitor generates the improvement of container and associated components.
As shown in Figure 7, galvanized wire electrode 14 comprises a galvanized wire 13 and the aluminum steel 12 that is welded on the galvanized wire, and a flat part 11 is wherein arranged on the aluminum steel 12.Need be until the joint generation one deck oxidation film of aluminum steel 12 on aluminum steel 12 with spongy lead 13.Chemical tunicle for this purpose generates container and has used galvanized wire anchor clamps 36, has many galvanized wire electrodes 14 to insert in its corresponding hole 35 on the anchor clamps 36.
Galvanized wire electrode 14 is inserted into the degree of depth that inserts in the hole of galvanized wire anchor clamps 36 for be stuck in the edge of the patchhole of galvanized wire anchor clamps 36 up to its flat part 11, and like this, the end of the flat part 11 of galvanized wire electrode 14 just is arranged on the same level.Then, galvanized wire 13 is pressed between the conduction brush of groove 37 on the galvanized wire anchor clamps 36 and propulsion unit 38, propulsion unit 38 links to each other with the positive pole of power supply 39, and another electrode links to each other with the negative pole of power supply 39, and impregnated in chemical tunicle and generate in the treatment fluid 41.
Yet, owing to come in contact bad between the conduction brush of propulsion unit 38 and the galvanized wire 13 easily, make the flat part 12 that links to each other with this galvanized wire 13 produce incomplete chemical tunicle and generate processing, cause to produce electric spark between galvanized wire and the conduction brush, or, make galvanized wire 13 from galvanized wire anchor clamps 36, come off owing to impose on the thrust deficiency of galvanized wire.In addition, galvanized wire being inserted in the hole deeply also is a loaded down with trivial details job.This all is its weak point.
In order to address the above problem, Japanese Patent Application Publication No.24 has disclosed a kind of cup-shaped receptacle made from nonmagnetic substance in 852/1992.As shown in Figure 8, many galvanized wire electrodes 14 are placed cup-shaped receptacle 42, then a magnetic pole 43 is placed the bottom of cup-shaped receptacle 42, so that galvanized wire electrode 14 is attracted in cup-shaped receptacle 42 bottoms.Cup-shaped receptacle 42 is inverted, is generated in the treatment fluid so the flat part 11 of galvanized wire electrode 14 just suspends and impregnated in chemical tunicle.
As previously mentioned, galvanized wire electrode 14 comprises a thin galvanized wire 13 and a wide and flat aluminum steel 12.In cup-shaped receptacle 42, the flat part of many galvanized wire electrodes 14 was closely arranged, can closely not contact mutually between the galvanized wire 13 of galvanized wire electrode 14 yet, can leave bigger space between the galvanized wire 13.Some galvanized wire electrode 14 can be inclined in the cup-shaped receptacle 42 between other upright galvanized wire electrodes, shown in " A " among Fig. 8.At this moment, the flat part 11 of tilting galvanized wire electrode 14 just can not impregnated in the solution, therefore, also just can not generate chemical tunicle effectively on flat part 11.
One of purpose of the present invention provides a kind of chemical tunicle that is used for the galvanized wire electrode of electrolytic capacitor and generates cup-shaped receptacle, galvanized wire electrode in this container can not produce undesirable inclination and make the flat part of the galvanized wire electrode in the container be in disordered state, thereby has avoided the incomplete chemical tunicle of galvanized wire electrode to generate processing.
In order to achieve the above object, the chemical tunicle that is used for electrolytic capacitor galvanized wire electrode as claimed in claim 1 generates container, comprise a container that made by nonmagnetic substance, upper opening and a funnel shaped baffle plate that is assemblied in the described drum ladle, baffle plate necking end is positioned at the bottom of described drum ladle.
The described chemical tunicle of claim 2 generates container, comprise that made by nonmagnetic substance a, upper opening and bottom have the drum ladle of osculum, have the infundibulate baffle plate of notch with a necking end periphery, described infundibulate baffle plate is assemblied in the described drum ladle, described osculum is positioned at leaks around the capitiform baffle plate necking, like this, the solution in the described drum ladle just can be discharged in described notch and osculum.
The described chemical tunicle of claim 3 generates in the container, and described infundibulate baffle plate is assemblied in the described drum ladle, and baffle plate bottom necking end places the bottom of described container, and baffle plate top increases a footpath mouthful end and fits on the inwall of described drum ladle.
The described chemical tunicle of claim 4 generates in the container, and the top of described infundibulate baffle plate increases a footpath mouthful end and integrally is connected with an annular flange flange, and described annular flange flange fits on the inwall of described drum ladle.
The described chemical tunicle of claim 5 generates in the container, and described infundibulate baffle plate bottom necking end integrally is associated with a base plate, makes it disk-shaped.
The described chemical tunicle of claim 6 generates in the container, and described infundibulate baffle plate is an aluminum.
Because chemical tunicle generates in the container and has assembled the infundibulate baffle plate, a large amount of galvanized wire electrodes are under the guiding of infundibulate baffle plate tapered wall, locate reposefully, like this, these electrodes are by boundling and concentrating in together, avoided in traditional cup-shaped receptacle as shown in Figure 8 some galvanized wire electrode upright, some galvanized wire electrode incline, and the flat aluminum portions on the galvanized wire electrode is remained on the same level, thereby the degree of depth that the galvanized wire electrode be impregnated in the chemical tunicle generation Treatment Solution is identical, avoid producing the possibility of underproof galvanized wire electrode, therefore improved the quality of the chemical tunicle on the galvanized wire.
Generate container for the described chemical tunicle of claim 2, need not the galvanized wire electrode is shifted out container, just washings can be discharged from the osculum of the notch of infundibulate baffle plate and container bottom, therefore, easy and simple to handle.The osculum of container bottom is hidden by the infundibulate baffle plate, and therefore, the galvanized wire electrode can not pass these osculums.
Generate container for the described chemical tunicle of claim 3, the infundibulate baffle plate closely is assemblied in the container, does not have the space between infundibulate baffle plate and container wall, makes the galvanized wire electrode can not insert therebetween.The lower open end of infundibulate baffle plate places container bottom, and like this, magnetic force can pass nonmagnetic container bottom and directly act on the galvanized wire electrode, attracts these galvanized wire electrodes that it is steadily fixed.
Generate container for the described chemical tunicle of claim 4, infundibulate baffle plate upper, open end integrally is associated with an annular flange flange, and the diameter of this annular flange flange is less than the diameter of drum ladle upper, open end.The infundibulate baffle plate is pressed in the drum ladle, and its flange and drum ladle upper, open end closely cooperate.Therefore, onesize drum ladle is if this flanged infundibulate baffle plate of assembling just can be used for that thin footpath galvanized wire electrode is carried out chemical tunicle and generate processing.Only need select for use boundless or flanged baffle plate to be fit to the galvanized wire electrode of different thicknesses, just can carry out chemical tunicle to the galvanized wire electrode of different thicknesses and generate processing with the drum ladle of same size.Use has transportation and the operation that compatible same drum ladle helps container, because less than the operational trouble of bringing because of the container that uses different size.
The described chemical tunicle of claim 5 generates in the container, and infundibulate baffle plate bottom necking end integrally is associated with a base plate, makes it disk-shaped.The effect of base plate is an intensity of strengthening baffle plate, and like this, it can not deform when baffle plate is pressed into drum ladle, thereby can not produce the slit because of the baffle plate distortion between baffle plate and the drum ladle wall.
The described chemical tunicle of claim 6 generates in the container handling, and the infundibulate baffle plate is an aluminum.Therefore reduced the cost of container production, this container is thrown aside after can using up.
Other purposes of the present invention and advantage can from following, obtain explanation the preferred embodiment of the present invention as shown in drawings.
Brief Description Of Drawings:
Fig. 1 is the profile that the chemical tunicle of one embodiment of the invention generates container;
Fig. 2 is improved infundibulate baffle plate perspective view;
Fig. 3 is the profile that chemical tunicle generates container among Fig. 1, has illustrated the mode of using this container;
Fig. 4 is the profile that has used the chemical tunicle generation container of the infundibulate baffle plate among Fig. 2;
Fig. 5 generates the profile of container for the chemical tunicle that uses another kind of improved baffle plate;
Fig. 6 generates the mode generalized section of handling for using container of the present invention that the galvanized wire electrode is carried out chemical tunicle;
Fig. 7 carries out the generalized section that chemical tunicle generates the mode of handling for using traditional galvanized wire anchor clamps to the galvanized wire electrode;
Fig. 8 carries out the generalized section that chemical tunicle generates the mode of handling for using conventional container to a large amount of galvanized wire electrodes.
As shown in Figure 1, for according to one embodiment of present invention, promptly the chemical tunicle of the galvanized wire electrode of ccontaining electrolytic capacitor generates container 1, and it comprises drum ladle 2 and infundibulate baffle plate 3, and baffle plate 3 will be pressed in the drum ladle 2.Drum ladle 2 is made by nonmagnetic aluminium, and a plurality of osculums 5 are arranged at its bottom 4.
As shown in Figure 3, chemical tunicle generates in the container 1 and is equipped with a plurality of galvanized wire electrodes 14.Each galvanized wire electrode 14 comprises aluminum steel 12 that has flat part 11 and the galvanized wire 13 that is welded on the aluminum steel 12.Place chemical tunicle to generate container 1 at these galvanized wire electrodes 14, its galvanized wire 13 ends are positioned at the bottom of container 1, and its flat part 11 is positioned at the top of container 1 and exceeds the top of container 1.
As shown in Figure 6, with placing the inversion of one group of chemistry tunicle generation container 1 on the microscler magnetic pole 21, be equipped with a plurality of galvanized wire electrodes in each container 1.Then, magnetic pole 21 is connected on the positive pole of power supply 22.The galvanized wire electrode is attracted to the bottom of each container 1 by carbon electrode 21, and like this, these galvanized wire electrodes just can not come off in container 1.The galvanized wire end of all galvanized wire electrodes 14 all is attracted in the bottom of container 1, and therefore, flat part 11 just is arranged on the same level.
The chemical tunicle that all aluminium electrodes 12 all are immersed in the container 23 generates in the Treatment Solution 24.The negative pole of power supply 22 generates Treatment Solution 24 with chemical tunicle and communicates, and like this, just the dipping flat part 11 to galvanized wire electrode 14 carries out chemical tunicle generation processing.These flat parts 11 are arranged on the same level.Therefore, the chemical tunicle of flat part 12 generates and handles also on same level.The two ends of connecting rack 25 have screw 26, and rotary screw 26, the flat part 12 that just can regulate galvanized wire electrode 14 immerse chemical tunicle and generate the degree of depth in the Treatment Solution 24.
From above-mentioned as can be seen, the inventive method can be carried out chemical tunicle to a large amount of galvanized wire electrodes 14 very effectively and be generated processing, and because the sucking action of 21 pairs of galvanized wire electrodes 14 of magnetic pole, guaranteed that all galvanized wire electrodes arrange regularly, guarantee not have bad contact and irregular location, handle thereby avoided consequent incomplete chemical tunicle to generate.
In cleaning step, the washings in the drum ladle 2 will be discharged in the osculum 5 on the base plate 4 of the drum ladle 2 of the notch on the bottom sides of infundibulate baffle plate 37.Therefore, need not to shift out aluminium wire electrode 13 just can clean.In cleaning process, the galvanized wire electrode can not pass osculum 5, because infundibulate baffle plate 3 has hidden osculum 5.
The galvanized wire electrode size difference that dissimilar electrolytic capacitors are required.Generate when handling when thin footpath galvanized wire electrode being carried out chemical tunicle, thereby can use the top integrally to have the infundibulate baffle plate that can form ring-shaped area 31 of flange, it is better than and can replaces using above-mentioned boundless infundibulate baffle plate.By the no side guard of transposing with have the baffle plate of flange, just can be with the big or small galvanized wire electrodes of the ccontaining difference of the drum ladle of same size.Use the drum ladle of same or same size can be ccontaining the galvanized wire electrodes of different sizes, from producing and the viewpoint of operation, the compatibility of same drum ladle is used has superiority.
It all is aluminum that the chemistry tunicle generates container 1, compares with the other materials that uses non-aluminium, and it is with low cost.Therefore, the chemical tunicle generation container 1 of this type of aluminum is suitable for using in batches.Yet drum ladle 2 also can use other nonmagnetic substances except that aluminium to make.Generate in the processing procedure at chemical tunicle, funnel leaves and does not need electric current in baffle plate 3 or 32 and pass through, and therefore, infundibulate baffle plate 3 or 32 need not to have conductivity, therefore can make of plastics or other insulating material.
Fig. 5 is improved baffle plate 51, and it is shaped as dish type, it by bottom integrated be associated with that the infundibulate baffle plate of base plate 52 forms.Base plate 52 has been strengthened the intensity of infundibulate baffle plate, therefore, produce distortion in the time of can preventing to be pressed into baffle plate 51 in the drum ladle 2, just do not have between the inwall of baffle plate 51 and drum ladle 2 yet baffle plate is pressed in the drum ladle process and may therefore just needn't worries that the galvanized wire electrode can insert between baffle plate and the drum ladle wall by being out of shape the space that is produced.
In this special embodiment, chemical tunicle generates container 1 and has baffle plate 3 and osculum 5, but also can have only baffle plate 3.
From as can be seen above-mentioned, according to the present invention, the chemistry tunicle generates container an infundibulate baffle plate that is pressed in the drum ladle, therefore, a large amount of galvanized wire electrodes can be through the level and smooth guide function of infundibulate baffle plate tapered wall and location reposefully, and by boundling with concentrate in together, so, the galvanized wire electrode just can not produce such disordered state in traditional drum ladle as shown in Figure 8, and the flat aluminum portions of all galvanized wire electrodes well is arranged on the same level.So its degree of depth that is immersed in the chemical tunicle generation Treatment Solution reaches desired horizontal, has avoided incomplete chemical tunicle to generate and has handled, and does not almost have waste product to produce.
The infundibulate baffle plate of trough of belt mouth has covered the osculum of drum ladle bottom, and the notch of baffle plate communicates the inside of infundibulate baffle plate and the inside of drum ladle, therefore, in rinse cycle, need not the galvanized wire electrode is shifted out container, just the washings in the drum ladle can be discharged through the notch of infundibulate baffle plate and the osculum of drum ladle.As a result, in rinse cycle, the galvanized wire electrode in the container can thoroughly rinsing under the good order state of maintenance.Osculum is covered by the infundibulate baffle plate, thereby just needn't worry that the galvanized wire electrode passes osculum.
Claims (6)
1, the chemical tunicle of the galvanized wire electrode of ccontaining electrolytic capacitor generates container, comprise that one is made by nonmagnetic substance, the drum ladle of upper opening and an infundibulate baffle plate that is assemblied in the described drum ladle, wherein the necking end of infundibulate baffle plate places the bottom of described drum ladle.
2, the chemical tunicle of the galvanized wire electrode of ccontaining electrolytic capacitor generates container, comprise that one is made by nonmagnetic substance, the upper opening bottom has the drum ladle of osculum and the infundibulate baffle plate that undergauge end periphery has notch, described infundibulate baffle plate is assemblied in the described drum ladle, so that described osculum is positioned at around the described infundibulate baffle plate necking, thus, the liquid in the drum ladle can be discharged through described notch and osculum.
3, the chemical tunicle according to the galvanized wire electrode of the ccontaining electrolytic capacitor of claim 1 or 2 generates container, wherein said infundibulate baffle plate is assemblied in the described drum ladle, baffle plate top increases the inwall that footpath mouthful end fits in described drum ladle, and the necking end of plate washer bottom places the bottom of drum ladle.
4, the chemical tunicle according to the galvanized wire electrode of the ccontaining electrolysis electrical equipment of claim 1 or 2 generates container, and the top of infundibulate baffle plate wherein increases a footpath mouthful end and integrally is associated with an annular flange flange, and described annular flange flange fits on the inwall of described drum ladle.
5, the chemical tunicle according to the galvanized wire electrode of claim 1,2 or 4 ccontaining electrolytic capacitor generates container, and the bottom necking end of wherein said infundibulate baffle plate integrally is associated with a base plate, makes baffle plate disk-shaped.
6, the chemical tunicle according to the galvanized wire electrode of any one ccontaining electrolytic capacitor in the claim 1 to 5 generates container, and wherein said infundibulate baffle plate is an aluminum.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP236361/1992 | 1992-08-12 | ||
| JP4236361A JP2578389B2 (en) | 1992-08-12 | 1992-08-12 | Container for forming lead terminals for electrolytic capacitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1082246A true CN1082246A (en) | 1994-02-16 |
| CN1039140C CN1039140C (en) | 1998-07-15 |
Family
ID=16999663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93109760A Expired - Lifetime CN1039140C (en) | 1992-08-12 | 1993-08-12 | Chemical formation container for containing the lead wire terminals of electrolytic capacitors |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2578389B2 (en) |
| KR (1) | KR970006433B1 (en) |
| CN (1) | CN1039140C (en) |
| GB (1) | GB2269600B (en) |
| MY (1) | MY109546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340031A (en) * | 2013-07-01 | 2016-02-17 | 日本贵弥功株式会社 | Capacitor module, and production method therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1227036A (en) * | 1969-02-26 | 1971-03-31 | ||
| GB1407122A (en) * | 1973-02-20 | 1975-09-24 | Comtelco Uk Ltd | Plated elongate electrical components |
| JPH01179308A (en) * | 1987-12-29 | 1989-07-17 | Top Parts:Kk | Formation of lead wire terminal for electrolytic capacitor |
-
1992
- 1992-08-12 JP JP4236361A patent/JP2578389B2/en not_active Expired - Fee Related
-
1993
- 1993-08-06 GB GB9316397A patent/GB2269600B/en not_active Expired - Fee Related
- 1993-08-10 MY MYPI93001582A patent/MY109546A/en unknown
- 1993-08-10 KR KR1019930015481A patent/KR970006433B1/en not_active IP Right Cessation
- 1993-08-12 CN CN93109760A patent/CN1039140C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340031A (en) * | 2013-07-01 | 2016-02-17 | 日本贵弥功株式会社 | Capacitor module, and production method therefor |
| CN105340031B (en) * | 2013-07-01 | 2018-09-11 | 日本贵弥功株式会社 | Capacitor module and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR940004677A (en) | 1994-03-15 |
| JP2578389B2 (en) | 1997-02-05 |
| CN1039140C (en) | 1998-07-15 |
| MY109546A (en) | 1997-02-28 |
| KR970006433B1 (en) | 1997-04-28 |
| GB2269600B (en) | 1995-06-28 |
| JPH0669085A (en) | 1994-03-11 |
| GB9316397D0 (en) | 1993-09-22 |
| GB2269600A (en) | 1994-02-16 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130812 Granted publication date: 19980715 |