CN1194471A - Sealing and maintainable accumulator casing - Google Patents
Sealing and maintainable accumulator casing Download PDFInfo
- Publication number
- CN1194471A CN1194471A CN98110715A CN98110715A CN1194471A CN 1194471 A CN1194471 A CN 1194471A CN 98110715 A CN98110715 A CN 98110715A CN 98110715 A CN98110715 A CN 98110715A CN 1194471 A CN1194471 A CN 1194471A
- Authority
- CN
- China
- Prior art keywords
- multichannel
- spare
- mentioned
- exhaust
- valve body
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Filling, Topping-Up Batteries (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The accumulator casing consists of tank, cover with electrolyte feeding channel part, exhaust channel part and electrolyte feeder comprising valve body, valve core float and bracket. The electrolyte feeding channel and the exhaust channel of valve body are communicated via duct to the electrolyte feeding channel part and the exhaust channel part; the valve core float has top surface fitting the exhaust channel; and the electrolyte feeding channel part and the exhaust channel part have separated single-way valve and detachable sealing part. The said casing can seal the inner part of accumulator, is easy to maintain and has no environment pollution.
Description
The present invention relates to a kind of device that chemical energy is an electric energy that is used for directly changing, specifically, relate to a kind of part of storage battery.
Chang Yong storage battery has two types in the market, and a kind of is enclosed type accumulators, and another kind is the open type storage battery.
Above-mentioned two kinds of storage batterys because of chemical reaction, can produce a certain amount of gas in charging or use, cause the battery case internal pressure to raise.For this reason, rubber unidirectional valve and labyrinth type liquid feeding cap are housed respectively on the battery case of above-mentioned two kinds of storage batterys, control its housing internal pressure,, see communications industry standard VD/T799-1996 as Fig. 7, shown in Figure 8.
The enclosed type accumulators shell is made up of some battery units, battery unit is made of battery case 6b, battery cover 7b, sealing plate 8b and rubber unidirectional valve 9b, be equipped with liquid injection hole 7b1 on the battery cover 7b, rubber unidirectional valve 9b is arranged on battery cover 7b and goes up liquid injection hole 7b1 top, when the battery container internal pressure reaches certain value, squeeze and open rubber unidirectional valve 9b, make the interior gas of battery container overflow housing, reach the purpose that reduces the housing internal pressure.This storage battery all dispatches from the factory after assembling, liquid feeding, sealing, charging, therefore there is following defective in this battery: 1. in the use, moisture content in the battery case can evaporate, because storage battery sealing, can not fluid infusion safeguard, cause the battery jar hydropenia, battery capacity is decayed too early, influence storage battery useful life; 2. because storage battery band liquid dispatches from the factory, battery can produce self discharge, will inevitably increase expenses such as storage, transportation, maintenance.
The open type battery jar is made up of some battery units, battery unit is made of battery case 6a, battery cover 7a, liquid feeding cap 8a and packing ring 9, be equipped with liquid injection hole 7a1 on the battery cover 7a, liquid feeding cap 8a spinning is on the liquid injection hole 7a1 of battery cover 7a, and liquid feeding cap 8a top is equipped with venthole 8a1.Though this storage battery can the liquid feeding exhaust, has following defective: 1. liquid feeding is safeguarded inconveniently, need turn on the liquid feeding cap on each battery unit one by one, injects liquid more one by one, and time-consuming, its field of employment also is subjected to certain restriction; 2. each battery unit liquid addition is difficult to control, and liquid is added and can be overflowed, contaminated environment, and liquid adds few battery capacity and can reduce.
The objective of the invention is to be to be provided for a kind of sealing, the maintainable accumulator casing of storage battery, by means of this battery case can be easily simultaneously to each battery unit liquid feeding, control the battery unit liquid surface level automatically, storage battery is in sealing state all the time, can reduce environmental pollution again.
Purpose of the present invention can reach by following technical measures.Above-mentioned sealing, maintainable accumulator casing comprise:
Battery case 1, it is made of a plurality of isolated battery units 11 that are arranged in order;
Be contained in the battery cover 2 on the above-mentioned battery case 1, be provided with respectively hole 21 and the positive and negative electrode 22,23 corresponding on it successively with each battery unit 11 in the above-mentioned battery case 1; Difference from prior art, liquid feeding multichannel spare 3 and exhaust passage part 4 are housed on the above-mentioned battery cover 2, on the hole 21 that is arranged in order on the above-mentioned battery cover 2 liquid-adding device 5 is housed respectively, liquid-adding device 5 is by valve body 51, spool buoyancy aid 52 and carriage 53 constitute, valve body 51 spinnings are on the hole 21 of battery cover 2, valve body 51 tops are equipped with and add fluid through-hole 511 and exhaust hole 512, valve body 51 inner chambers are equipped with the spool buoyancy aid 52 that slides up and down, the end face on spool buoyancy aid 52 tops and its top exhaust hole 512 inner port match, carriage 53 is equipped with in valve body 51 bottoms, respectively adding fluid through-hole 511 external port is communicated with by conduit 33 with above-mentioned liquid feeding multichannel spare 3, each exhaust hole 512 external port is communicated with by conduit 43 with above-mentioned exhaust multichannel spare 4, valve body 51 inner chambers are communicated with battery case 1 and liquid feeding multichannel spare 3 inner chambers, valve body 51 inner chambers interrupt with 52 liftings of spool buoyancy aid with the exhaust passage 512 of exhaust multichannel spare 4 or are communicated with, valve body 51 bottoms are provided with carriage, being used to limit spool buoyancy aid 52 falls, at least one respectively access port of liquid feeding multichannel spare 3 and exhaust multichannel spare 4 is provided for the unidirectional valve 31 of exhaust, 41, at least one respectively access port is provided for the dismounting seal 32 of liquid feeding or exhaust, 42.
As to further improvement of the present invention, above-mentioned valve body 51 inner chambers are equipped with a through hole 513 at least, are used for its inner chamber and are communicated with battery unit gas.
As to further improvement of the present invention, above-mentioned unidirectional valve 31,41 and dismounting seal 32,42 are separately positioned on the same access port of liquid feeding multichannel spare 3 or exhaust multichannel spare 4, also can be arranged on the different access ports of liquid feeding multichannel spare 3 or exhaust multichannel spare 4.Being arranged on not same access port can be used for each liquid feeding multichannel spare 3 of a plurality of battery cases same as described above is interconnected, each exhaust multichannel spare 4 is interconnected, like this can be from an one access port to above-mentioned identical battery case liquid feeding, above-mentioned battery case also can be from a port exhaust, and the liquid feeding operation is very convenient.
As to further improvement of the present invention, above-mentioned unidirectional valve 31 or 41 constitutes by cap sealed element A, and material is made by rubber or flexiplast.
As to further improvement of the present invention, above-mentioned cap sealed part A shell is equipped with cover piece B, and cover piece B top is equipped with aperture C, and cover piece B is threaded with the access port of liquid feeding multichannel spare 3 that is with cap sealed part A or exhaust multichannel spare 4.
As to further improvement of the present invention, above-mentioned dismounting seal 32 or 42 constitutes by threaded cap x, pad y, and pad y is covered in the access port of liquid feeding multichannel spare 3 or exhaust multichannel spare 4, and threaded cap x is threaded with above-mentioned access port.
As to further improvement of the present invention, be equipped with seal washer 54 between the valve body 51 of above-mentioned liquid-adding device 5 and the battery cover 2.
As to further improvement of the present invention, the end face 521 on spool buoyancy aid 52 tops of above-mentioned liquid-adding device 5 is convex surface or the plane or the conical surface, and the concave surface of its face and its top exhaust hole 512 inner port or plane or the conical surface match.
As to further improvement of the present invention, the valve body 51 inner chamber perisporiums of above-mentioned liquid-adding device 5 are equipped with the guide rail 514a or the flange 514b of evagination, and the outer surface of above-mentioned spool buoyancy aid 52 is equipped with the chute that guide rail 514a or flange 514b with above-mentioned valve body 51 inner chambers match.
The present invention has following advantage compared with prior art:
1, liquid feeding multichannel spare is set on the battery case of the present invention, exhaust multichannel spare, liquid-adding device and conduit, needn't turn on battery filling cap one by one during liquid feeding, only need open the dismounting seal on liquid feeding multichannel spare and the exhaust multichannel spare, add liquid from a port of liquid feeding multichannel spare, liquid enters each battery unit through each passage along the fluid through-hole that adds that conduit is diverted to each liquid-adding device, original gas enters exhaust multichannel spare from the exhaust hole of liquid-adding device along conduit in the battery unit, discharge battery from a passage again, simple to operate, convenient, make the storage battery installation position not be subjected to more condition restriction.The convenient storage battery that can make of liquid feeding has enough electrolyte to participate in chemical reaction, and battery capacity is guaranteed, and prolongs battery useful life.
2, battery case of the present invention is provided with special liquid-adding device, the body cavity of this device is provided with the spool buoyancy aid, the spool buoyancy aid can be with (reduction) raise (reduction) that raise of the liquid level of liquid feeding, spool buoyancy aid end face is also with its rising or reduction, the port sealing of the steam vent of its end face rising and liquid-adding device, gas can't be discharged in the battery unit, and the liquid of liquid filling hole promptly stops to add liquid in battery unit.Realize the interior liquid level height of control battery unit automatically, avoid spattering liquid, discharge and liquid feeding uneven phenomenon.
3, the inner chamber of each battery unit of battery case of the present invention, liquid-adding device, liquid feeding multichannel spare, exhaust multichannel spare and conduit formation is in sealing state, and aneroid during use (mist) overflows, and is free from environmental pollution, is equivalent to sealed cell, and application places is more extensive.
4, the assembling of battery case of the present invention and other parts constitutes storage battery, and liquid feeding does not dispatch from the factory, and removes the tired brain that battery stores phase domestic demand is safeguarded from.
The drawing explanation of accompanying drawing.
Fig. 1 is the main TV structure schematic diagram of sealing of the present invention, maintainable accumulator casing;
Fig. 2 is an A-A profile among Fig. 1;
Fig. 3 is a m-m profile among Fig. 2;
Fig. 4 is the profile of liquid feeding multichannel spare 3 of the present invention;
Fig. 5 is the profile of exhaust multichannel spare 4 of the present invention;
Fig. 6 is the user mode partial sectional view of sealing of the present invention, maintainable accumulator casing;
Fig. 7 is the enclosed type accumulators shell cross-sectional view of prior art;
Fig. 8 is the open type battery jar cross-sectional view of prior art.
Below in conjunction with accompanying drawing specific embodiments of the invention are described further.
By Fig. 1 to Fig. 5 as can be known, sealing of the present invention, maintainable accumulator casing comprises battery case 1, it is arranged in order isolated battery unit and is constituted by a plurality of; Be contained in the battery cover 2 on the above-mentioned battery case 1, be provided with respectively hole 21 and the positive and negative electrode 22,23 corresponding on it successively with each battery unit 11 in the above-mentioned battery case 1; Liquid feeding multichannel spare 3 and exhaust multichannel spare 4 are housed on the above-mentioned battery cover 2, on the hole 21 that is arranged in order on the above-mentioned battery cover 2 liquid-adding device 5 is housed respectively, liquid-adding device 5 is by valve body 51, spool buoyancy aid 52 and carriage 53 constitute, valve body 51 spinnings are on the hole 21 of battery cover 2, valve body 51 tops are equipped with and add fluid through-hole 511 and exhaust hole 512, valve body 51 inner chambers are equipped with the spool buoyancy aid 52 that slides up and down, the end face on spool buoyancy aid 52 tops and its top exhaust hole 512 inner port match, carriage 53 is equipped with in valve body 51 bottoms, respectively adding fluid through-hole 511 external port is communicated with by conduit 33 with above-mentioned liquid feeding multichannel spare 3, each exhaust hole 512 external port is communicated with by conduit 43 with above-mentioned gas collection multichannel spare 4, valve body 51 inner chambers are communicated with battery case 1 and liquid feeding multichannel spare 3 inner chambers, valve body 51 inner chambers interrupt with 52 liftings of spool buoyancy aid with the exhaust passage 512 of exhaust multichannel spare 4 or are communicated with, at least one respectively access port of liquid feeding multichannel spare 3 and exhaust multichannel spare 4 is provided for the unidirectional valve 31 of exhaust, 41, at least one respectively access port is provided for the demolition seal 32 of liquid feeding or exhaust, 42.For each battery unit 11 that makes battery case of the present invention all communicates, above-mentioned valve body 51 inner chambers are equipped with a through hole 513 at least, can make the equalization of pressure of each battery unit 11.The assurance metal line is contour, above-mentioned unidirectional valve 31 or 41 is made block by rubber or flexiplast, seal A, for making safer, the sealing of seal A, the outer suit cover piece B of above-mentioned cap sealed part A, cover piece B top is equipped with aperture C, is used to lose heart, and cover piece B is threaded with the access port of liquid feeding multichannel spare 3 that is with cap sealed part A or exhaust multichannel spare 4.Above-mentioned dismounting seal 32 or 42 constitutes by threaded cap X, pad Y, and pad is made by rubber or flexible material, and pad Y is covered in the access port of liquid feeding multichannel spare 3 or exhaust multichannel spare 4, and threaded cap X is threaded with above-mentioned access port.For hole 21 on the valve body 51 that makes liquid-adding device 5 and the battery cover 2 seals more, between valve body 51 and the hole 21 sealing ring 54 is housed.For reaching better obturation effect between the exhaust port on the spool buoyancy aid 52 that makes above-mentioned liquid-adding device 5 and the valve body 51, the end face 521 on spool buoyancy aid 52 tops is made convex surface or concave surface or the conical surface or plane, and the concave surface of exhaust hole 512 inner port on its face and the valve body 51 or convex surface or the conical surface or plane match.For above-mentioned spool buoyancy aid 52 can be slided up and down along above-mentioned valve body 51 inner chamber perisporium orientations, the valve body 51 inner chamber perisporiums of liquid-adding device 5 are equipped with the guide rail 514a of convex, and above-mentioned spool buoyancy aid 52 is with outer surface or chute is set and the guide rail 514a of above-mentioned valve body 51 inner chambers slides and to match.
Claims (9)
1, a kind of sealing, maintainable accumulator casing, it comprises battery case (1), it is made of a plurality of isolated battery units (11) that are arranged in order;
Be contained in the battery cover (2) on the above-mentioned battery case (1), be provided with corresponding with each battery unit (11) in the above-mentioned battery case (1) respectively hole (21) and positive and negative electrode (22), (23) on it successively;
It is characterized in that: liquid feeding multichannel spare (3) and gas collection multichannel spare (4) are housed on the above-mentioned battery cover (2), on the hole (21) that is arranged in order on the above-mentioned battery cover (2) liquid-adding device (5) is housed respectively, liquid-adding device (5) is by valve body (51), spool buoyancy aid (52) and carriage (53) constitute, valve body (51) spinning is on the hole (21) of battery cover (2), valve body (51) top is equipped with and adds fluid through-hole (511) and exhaust hole (512), valve body (51) inner chamber is equipped with the spool buoyancy aid (52) that slides up and down, the end face on spool buoyancy aid (52) top and its top exhaust hole (512) inner port match, carriage (53) is equipped with in valve body (51) bottom, respectively adding fluid through-hole (511) external port is communicated with by conduit (33) with above-mentioned liquid feeding channel part (3), each steam vent (512) external port is communicated with by conduit (43) with above-mentioned exhaust multichannel spare (4), valve body (51) inner chamber is communicated with battery case (1) and liquid feeding multichannel spare (3) inner chamber, valve body (51) inner chamber interrupts with spool buoyancy aid (52) lifting with the exhaust passage (512) of exhaust multichannel spare (4) or is communicated with, liquid feeding multichannel spare (3) and at least one respectively access port of exhaust multichannel spare (4) are provided for the unidirectional valve (31) of exhaust, (41), at least one respectively access port is provided for the dismounting seal (32) of liquid feeding or exhaust, (42).
2, sealing according to claim 1, maintainable accumulator casing is characterized in that: above-mentioned valve body (51) inner chamber is equipped with a through hole (513) at least, is used for its inner chamber and is communicated with battery unit (2).
3, sealing according to claim 1, maintainable accumulator casing, it is characterized in that: above-mentioned unidirectional valve (31), (41) and dismounting seal (32), (42) are separately positioned on the same access port of liquid feeding multichannel spare (3) or exhaust multichannel spare (4), also can be arranged on the different access ports of liquid feeding multichannel spare (3) or exhaust multichannel spare (4).
4, sealing according to claim 3, maintainable accumulator casing is characterized in that: above-mentioned unidirectional valve (31) or (41) covering cap shape potted component A constitute, and its material is made by rubber or flexiplast.
5, sealing according to claim 3, maintainable accumulator casing, it is characterized in that: above-mentioned lid shape potted component A shell is equipped with cover piece B, cover piece B top is equipped with aperture (c), and cover piece B is threaded with the access port of liquid feeding multichannel spare (3) that is with seal A or gas collection multichannel spare (4).
6, sealing according to claim 4, maintainable accumulator casing, it is characterized in that: above-mentioned dismounting seal (42) is made of threaded cap (X), pad (y), pad (y) is covered in the access port of liquid feeding multichannel (3) or exhaust multichannel spare (4), and threaded cap (X) is threaded with above-mentioned access port.
7, according to claim 1 or 2 or 3 or 4 or 5 described sealings, maintainable accumulator casing, it is characterized in that: be equipped with seal washer (54) between the valve body (51) of above-mentioned liquid-adding device (5) and the battery cover (2).
8, according to claim 1 or 2 or 3 or 4 or 5 described sealings, maintainable accumulator casing, it is characterized in that: the end face 521 on spool buoyancy aid (52) top of above-mentioned liquid-adding device (5) is convex surface or concave surface or the plane or the conical surface, and the concave surface of its face and its top exhaust hole (512) inner port or convex surface or plane or the conical surface match.
9, according to claim 1 or 2 or 3 or 4 or 5 described sealings, maintainable accumulator casing, it is characterized in that: valve body (51) the inner chamber perisporium of above-mentioned liquid-adding device (5) is equipped with the guide rail (514a) or the flange (514b) of evagination, and the outer surface of above-mentioned spool buoyancy aid (52) is equipped with and the guide rail (514a) of valve body (51) inner chamber or the chute that flange (514b) matches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98110715A CN1072843C (en) | 1998-03-16 | 1998-03-16 | Sealing and maintainable accumulator casing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98110715A CN1072843C (en) | 1998-03-16 | 1998-03-16 | Sealing and maintainable accumulator casing |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1194471A true CN1194471A (en) | 1998-09-30 |
CN1072843C CN1072843C (en) | 2001-10-10 |
Family
ID=5220739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98110715A Expired - Fee Related CN1072843C (en) | 1998-03-16 | 1998-03-16 | Sealing and maintainable accumulator casing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1072843C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100367536C (en) * | 2004-10-28 | 2008-02-06 | 三星Sdi株式会社 | Rechargeable battery |
CN102005617A (en) * | 2009-08-28 | 2011-04-06 | 比克国际(天津)有限公司 | Lithium-dynamic battery capable of avoiding gas inflation |
CN103947025A (en) * | 2011-11-23 | 2014-07-23 | Sk新技术株式会社 | Battery pack |
CN103943813A (en) * | 2014-05-06 | 2014-07-23 | 杨通胜 | Dedicated plug for supplement liquid of storage battery and device for supplement liquid of storage battery |
CN105977552A (en) * | 2016-06-24 | 2016-09-28 | 巨江电源科技有限公司 | Lead-acid horizontal battery |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2236170Y (en) * | 1995-01-16 | 1996-09-25 | 王恒 | Valve-controlled sealed accumulator casing |
-
1998
- 1998-03-16 CN CN98110715A patent/CN1072843C/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100367536C (en) * | 2004-10-28 | 2008-02-06 | 三星Sdi株式会社 | Rechargeable battery |
CN102005617A (en) * | 2009-08-28 | 2011-04-06 | 比克国际(天津)有限公司 | Lithium-dynamic battery capable of avoiding gas inflation |
CN103947025A (en) * | 2011-11-23 | 2014-07-23 | Sk新技术株式会社 | Battery pack |
CN103943813A (en) * | 2014-05-06 | 2014-07-23 | 杨通胜 | Dedicated plug for supplement liquid of storage battery and device for supplement liquid of storage battery |
CN105977552A (en) * | 2016-06-24 | 2016-09-28 | 巨江电源科技有限公司 | Lead-acid horizontal battery |
CN105977552B (en) * | 2016-06-24 | 2024-04-02 | 巨江电源科技有限公司 | Lead-acid horizontal battery |
Also Published As
Publication number | Publication date |
---|---|
CN1072843C (en) | 2001-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2293364A1 (en) | Lead storage battery | |
CN85107588A (en) | Lead accumulator | |
CN1072843C (en) | Sealing and maintainable accumulator casing | |
US6677075B2 (en) | Plug arrangement for a cell vent of a storage battery | |
CN202695616U (en) | Acid fluid pot used for acidification and inner formation of lead-acid storage batteries | |
CN102502131B (en) | Hydrochloric acid storage tank and breathing valve thereof | |
JPH09506736A (en) | Battery lid with integrated degasser | |
CN212173229U (en) | Vertical storage tank | |
CN207572439U (en) | A kind of alkaline battery with air bleeding valve | |
CN210800067U (en) | Ultrapure water nitrogen sealing system for pharmacy | |
CN212314378U (en) | High leakproofness packing jar | |
CN2187157Y (en) | Damping averager | |
CN2264979Y (en) | Accumulator valve-control anti-acid flame-proof cap | |
CN209173662U (en) | A kind of liquid chemical material storing tank cooling adsorbent equipment of active carbon | |
CN213878228U (en) | Battery case convenient to acidification | |
CN218987529U (en) | Laboratory pure water fresh-keeping device | |
CN214336853U (en) | Safety valve of storage battery | |
CN201289884Y (en) | Acid mist filtering acid receiver for charging 6-DGA-120 accumulator | |
JP2011159501A (en) | Lead-acid battery | |
CN202265123U (en) | Breather valve of hydrochloric acid storage tank and hydrochloric acid with breather valve | |
CN220357223U (en) | Metal gas battery test tank | |
CN217554608U (en) | Temporary storage sealing structure for electrolyte of iron-chromium flow battery | |
CN213650236U (en) | Water sample storage device for environment monitoring experiment | |
CN117996385A (en) | Lithium ion battery annotates liquid mouth sealing device | |
CN219194891U (en) | Packing mounting frame for gas desulfurization tower |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |