CN2748519Y - De-icing device - Google Patents
De-icing device Download PDFInfo
- Publication number
- CN2748519Y CN2748519Y CNU2004200586378U CN200420058637U CN2748519Y CN 2748519 Y CN2748519 Y CN 2748519Y CN U2004200586378 U CNU2004200586378 U CN U2004200586378U CN 200420058637 U CN200420058637 U CN 200420058637U CN 2748519 Y CN2748519 Y CN 2748519Y
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- CN
- China
- Prior art keywords
- mounting pipe
- water
- water tank
- heater
- ice
- 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.)
- Expired - Fee Related
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-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
- E03B7/14—Devices for thawing frozen pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Commercial Cooking Devices (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
The utility model relates to a deicing device. The front lower part of the deicing device comprises a heater arranged on the mounting pipe of the heater and a first water tank body which is arranged on one side upper surface and is provided with a steam nozzle. The upper surface of the first water tank comprises the heater arranged on the mounting pipe of the heater, the mounting pipe of the steam nozzle and a secondary water tank body; the mounting pipe of the steam nozzle is arranged on the side upper surface; the secondary water tank body is arranged on the same side surface where the mounting pipe of the steam nozzle is arranged; the secondary water tank body is connected with a water filling hole and comprises the mounting pipe of the water filling hole. The lower surface of the first water tank comprises a plurality of brackets and a handle arranged on one end on one side of a supporting table, and the water tank is covered through a shell. The deicing device is heated through the heater and exhausts high-temperature steam, the exhausted high-temperature steam is used for melting the frozen ice of an upper and a lower pipes, and the frozen ice is formed because of cold weather. In order to achieve the purpose that the device can be continuously used, the main body water tank of the device is divided into two parts; on one hand, water can be used, and on the other hand, the device can be heated; accordingly, the heating time of the water filled again is saved; simultaneously, the utility model can be continuously used.
Description
Technical field
The utility model is the invention about ice defreezing device, and this ice defreezing device is mainly used in to dissolve and is arranged on outdoor or does not have the ice that the indoor upper and lower conduit of heating system freezes owing to cold snap.This equipment is by the heater heating, and the discharging high-temperature steam realizes separating the equipment of ice.
Background technology
Ice defreezing device on the ordinary meaning is meant: by being higher than the uniform temperature of separating ice temperature, freezing equipment and accessory are separated a kind of equipment of ice.This ice defreezing device, in order to prevent owing to the fault of equipment that freezes to produce and accessory, the generation of damaging problem, employing be the mode that keeps uniform temperature, and be widely used in every field.
Because this ice defreezing device is not suitable for the damaging problem that prevents to freeze to build the body comb, thus, has obtained development miscellaneous and exploitation.
Conventional ice defreezing device is: by adopting the flame instrument or utilizing the hot equipment that has a resistance that conducts electricity, thaw to freezing steel pipe (upper and lower water pipe etc.) winter.But this instrument or equipment in actual application, have been subjected to certain restriction.In other words, adopt this method of flame instrument,,, then do not have any countermeasure for being embedded in the comb that freezes in the building body though be highly suitable for dissolving the external use of freezing comb of building.In addition, by utilizing the equipment of the resistance heat that conduction produces, though do not built the restriction of the inside and outside comb condition of body, and use freely.But exist electric leakage hidden danger for the user.In addition,, consider, be subjected to certain restriction from security standpoint if face when following gas-pipe line or existing gas leakage dangerous.
In order to address the above problem, the applicant is on January 30th, 2002, in Korean application patent.Its date of applying for the registration of is on June 29th, 2002, and the registration lot number is 20-0281774.But foregoing invention exists the drawback that can not continue to use in application, the present invention is the steam by the discharging heating-up temperature, dissolve the freezing of upper and lower water pipe, therefore, during water in using up water tank, not only to carry out water filling work once more, but also need wait for that water temperature rises to uniform temperature.
Summary of the invention
The purpose of this utility model is to address the above problem.The utility model is neither built the inside and outside restriction of freezing calandria structure of body, is not subjected to again that gas explosion or electric leakage accident etc. are dangerous to be limited, and applies to the comb work of thawing more practically.
In addition, the another one purpose that the utility model will reach is, in using equipment of the present utility model, and one: can prevent the generation of the peril that causes owing to steam pressure; Two:, prevent the comb damaging problem that causes owing to the sudden change temperature difference by keeping uniform temperature and pressure.
The another one purpose that the utility model will be realized is, can continue to use this equipment.Therefore, its main body water tank is divided into two parts.On the one hand, water on one side, on one side it is heated, thereby the time to be heated such as save after the water filling once more.On the other hand, will discharge high-temperature steam by continuous, and reach the purpose that upper and lower conduit is continued to separate ice.
For solving above-mentioned all problems, characteristics promptly of the present utility model and external structure are as follows: the preceding lower part of this ice defreezing device is made up of the first water tank main body that is provided with steam jet that is installed in the heater on the heater mounting pipe and be installed in above the side;
Form by the second water tank main body that comprises the water filling port mounting pipe that links to each other with water filling port that is installed in heater on the heater mounting pipe, is installed in the steam jet mounting pipe above the side and is installed in a last side above first water tank;
Formed by a plurality of supports and the handle that is installed in saddle one side end below first water tank;
Shell covers water tank.
To the building body inside and outside freeze this ice defreezing device that comb can thaw just below, be provided with heater mounting pipe that connects heater and first water tank that is located at the carrying vapour nozzle mounting pipe above the side; A side on its that is connected as a single entity with the top of aforementioned body is provided with the second water tank main body that comprises the water filling port mounting pipe that connects water filling port; The saddle that has support below first water tank; And the shell of covering first water tank and the second water tank main body.
At this, casing one side of first water tank and second water tank all is provided with the water flowmeter that can observe the water amount.The thermometer that is connected with the thermometer mounting pipe has been installed just, has been provided with the temperature pick up that is connected with the temperature pick up mounting pipe again; In addition, installed correspondingly with each mounting pipe above, and coupled pressure valve, pressure meter, water level are observed sensor and transformer.Circuit breaker and power switch have been installed in the front of shell.In addition, the power supply indication also has been installed and has ordered heater display lamp, low water stage indicator lamp and alarm.
Between above-mentioned first water tank and second water tank, automatic filling valve has been installed.
In addition, can the both sides below saddle be installed by roller; Be water flowmeter, can form by upper and lower water pipe and the plastic pipe that connects upper and lower water pipe.
In addition, the setting pressure for above-mentioned transformer should be controlled at: the about 1Kg of lower limit (operating pressure), the about 1.5Kg of the upper limit (closing presure).The upper limit to the said temperature sensor should be controlled at 120 ℃.
In sum, characteristics of the present utility model are: not only do not limited by building body inside and outside structural condition, can directly thaw to freezing comb, but also can prevent to leak electricity and the generation of accident such as gas explosion.In addition, this equipment is the high-temperature steam by the discharging of uniform temperature and pressure, dissolves and freezes comb.Therefore, do not allow to occur the comb damaging problem that produces owing to the temperature difference.In addition, by its main body water tank is divided into two parts, water on one side not only, on one side it is heated, and, the time to be heated such as also save after the water filling once more.And the high-temperature steam by constantly discharging, upper and lower conduit is continued to separate ice work.
Description of drawings
Fig. 1 is the surface structure oblique view according to the ice defreezing device of the utility model development.
Fig. 2 is the internal construction oblique view according to the ice defreezing device of the utility model development.
Fig. 3 is the cross sectional side view according to the ice defreezing device of the utility model development shown in Figure 2.
Fig. 4 is the cross-section front view according to the ice defreezing device of the utility model development shown in Figure 2.
Code description to the drawing major part:
100: ice defreezing device 110: shell
121: pressure meter 122: pressure drain valve (pressure variation)
123: water filling port 124: transformer
125: thermometer 126: steam jet
127: heater 128: power line
130: water flowmeter 131: upper hose
132: sewer pipe 133: plastic pipe
141: temperature pick up 142: circuit breaker
143: power switch 144: alarm
145: power supply indicator 146: the heater indicator lamp
147: low water stage indicator lamp 149: automatic filling valve
152: pressure drain valve mounting pipe 153: water filling port mounting pipe
154: transformer mounting pipe 155: the thermometer mounting pipe
156: steam jet mounting pipe 157: the temperature pick up mounting pipe
158: heater mounting pipe 159: water level is observed the sensor mounting pipe
221: pressure meter 222: pressure drain valve (pressure variation)
224: transformer 225: thermometer
226: steam jet 227: heater
228: power line 230: water flowmeter
242: circuit breaker 243: power switch
244: alarm 245: power supply indicator
246: heater indicator lamp 247: the low water stage indicator lamp
252: pressure drain valve mounting pipe 253: water filling port mounting pipe
254: transformer mounting pipe 255: the thermometer mounting pipe
256: steam jet mounting pipe 257: the temperature pick up mounting pipe
258: heater mounting pipe 259: water level is observed the sensor mounting pipe
The specific embodiment
Be described below in detail with reference to example figure provided by the utility model: in explanation the utility model,, omitted the detailed description of corresponding basic function and ingredient in order to reach the purpose that gives top priority to what is the most important.
With reference to above-mentioned Fig. 1 to Fig. 4, illustrate of the present utility model composed as follows:
Look Fig. 1 of the present utility model, Fig. 2, for embodying outer, the inner oblique view of forming of this ice defreezing device 100.
This ice defreezing device 100 by first water tank 150 and second water tank 250 and support first water tank 150 saddle 170, cover the water tank main body of forming by first water tank 150 and second water tank 250 and the shell 110 that the control circuit dish is installed is formed.
This ice defreezing device 100 is by equal height, and first water tank 150 that is connected as a single entity and second water tank, 250 compositions.Above one side of first water tank 150 and second water tank 250, front reach, be provided with the mounting pipe of corresponding following assembly.
At first, form these ice defreezing device 100 cores first water tank 150 just below heater mounting pipe 158 has been installed and steam jet mounting pipe 156 on a side.
In addition, when steam jet mounting pipe 156 is installed steam jet 126, should be above the surface of shell 110.Owing to what discharge from steam jet 126 is the steam of HTHP, therefore, should adopt the hose of high temperature high voltage resistant material.
A just following and side of second water tank 250 is equipped with heater mounting pipe 258 and steam jet mounting pipe 256.
In addition, when steam jet mounting pipe 256 is installed steam jet 226, should be above the surface of shell 110.Owing to what discharge from steam jet 226 is the steam of HTHP, therefore, should adopt the hose of high temperature high voltage resistant material.
In addition, when on being located at second water tank 250, on the water filling port mounting pipe 253 of a side water filling port 123 being installed, in order to exceed shell 110 surfaces toward water filling in second water tank 250.
This ice defreezing device 100 is by following structure, carries out the discharging of steam.At first, carry out water filling by water filling port 123 in second water tank 250, and by automatic filling valve 149, the water that stores in second water tank 250 is injected into first water tank 150, the steam that generates by heater 127 heating discharges by steam jet 126 again.
By the steam that discharges like this, spray in the comb by the hose that links to each other with steam jet 126 again, thereby, reached and frozen the purpose of thawing in comb and the comb freezing.
Meanwhile, steam is with the low temperature comb and freeze when contacting, and relative temperature will descend to some extent, smaller volume.So at this moment the hose that links to each other with steam jet 126 naturally and understandably is sucked in the comb.
In other words, needn't set up miscellaneous equipment for inserting the hose that links to each other with steam jet 126 again.Equally, this ice defreezing device 100 is also very practical.
In addition, in order more effectively to utilize this ice defreezing device 100, on first water tank, 150 main bodys, be provided with various mounting pipe, and various safety means have been installed on mounting pipe.
About this safety means, be described in more detail as follows: first water tank 150 just above be provided with thermometer mounting pipe 155, and thermometer 125 is installed on thermometer mounting pipe 155, and should be above the surface of shell 110.In addition, the temperature pick up 141 of shell 110 fronts is installed on the temperature pick up mounting pipe of first water tank 150, is combined as a whole with first water tank 150.Thus, can observe the water temperature in first water tank 150, and can control the power supply that heater 127 transmits.Thereby, reach and prevent that water tank 150 water temperature inside from exceeding the purpose of design temperature.At this, the design temperature of temperature pick up 141 should be 120 ℃.
In addition, be provided with pressure drain valve mounting pipe 152 above first water tank 150, pressure drain valve 122 is installed on the pressure drain valve mounting pipe 152; Upper side is provided with transformer mounting pipe 154, and the transformer 124 that links to each other with transformer mounting pipe 154 then is installed in the top of shell 110.This transformer 124 can play on-off action to the power supply of heater 127.This operating principle is by observing first water tank, 150 internal pressures, and when pressure is higher than when setting pressure, transformer 124 will cut out, and cuts off the power supply that is sent to heater 127.Otherwise transformer 124 will be opened, and opens the power supply that is sent to heater 127.
In addition, be provided with pressure meter mounting pipe 151 above the water tank 150, and pressure meter 121, then be installed in the surface of shell 110.Therefore, the user can observe current pressure.In addition, a last side respectively is provided with water level and observes sensor mounting pipe 159, by level sensor 161 is installed, observes the water amount in first water tank 150.If, because the steam of discharging, and the water yield is reduced, so, cut-out is sent to the power supply of heater 127.
The operating pressure of transformer 124 should be controlled at: the about 1Kg of lower limit (operating pressure), the about 1.5Kg of the upper limit (closing presure).
In addition, a side of first water tank 150 has been installed can directly the detect by an unaided eye water flowmeter 130 of first water tank 150 water yields of user, and water flowmeter by on connect water pipe 131, the plastic pipe 133 that connects sewer pipe 132 and connect 131,132 water pipes down formed.
In addition, for preventing the generation of electric leakage accident, circuit breaker 142 has been installed in the front of shell 110, this circuit breaker 142 is in order to prevent because ice defreezing device 100 inner aging electric wires that use or the heat that is produced by heater 127 scorch wire insulation, and electric shock accidents takes place to first water tank 150 and shell 110 in conduction.
In addition, the front of shell 110 is provided with power switch 143, and by power supply indicator 145, heater indicator lamp 146, low water stage indicator lamp 147 and alarm 144 are installed, observes above-mentioned relevant work situation.
In other words, power supply indicator 145 is connected with power switch 143.When power switch 143 was in opening, it was bright then to be shown as lamp, and therefore, the user can judge that it is in work.In addition, heater indicator lamp 146 is that the power supply that links to each other with heater 127 is connected.Thus, the user can judge heater 127 work whether.
In addition, confirm that when observe sensor 161 by water level the water yield is lower than the setting water yield in the water tanks 150, so, low water stage indicator lamp 147 is will display lamp bright, and by alarm 144 warnings, notifies the deficiency of user's water yield.
In addition, be provided with pressure drain valve mounting pipe 252 above second water tank 250, the pressure drain valve is installed on the pressure drain valve mounting pipe 252; A last side is provided with transformer mounting pipe 254.The transformer that links to each other with transformer mounting pipe 254 then is installed in the top of shell 110.This transformer can play on-off action to the power supply of heater 227.This operating principle is by observing second water tank, 250 internal pressures, and when pressure is higher than when setting pressure, transformer will cut out, and cuts off the power supply that is sent to heater 227.Otherwise transformer will be opened, and opens the power supply that is sent to heater 227.
In addition, be provided with pressure meter mounting pipe 251 above the water tank 250, and pressure meter 221, then be installed in the surface of shell 110.Therefore, the user can observe current pressure.In addition, a last side respectively is provided with water level and observes sensor mounting pipe 259.By level sensor 261 is installed, observe the water amount in second water tank 250.If, because the steam of discharging, and the water yield is reduced, so, cut-out is sent to the power supply of heater 227.
In addition, a side of second water tank 250 has been installed can directly the detect by an unaided eye water flowmeter 230 of second water tank 250 water yields of user.
In addition, for preventing the generation of electric leakage accident, circuit breaker 242 has been installed in the front of shell 110, this circuit breaker 242 is in order to prevent because ice defreezing device 100 inner aging electric wires that use or the heat that is produced by heater 227 scorch wire insulation, and electric shock accidents takes place to first tank shell 110 in conduction.
In addition, the front of shell 110 is provided with power switch 243, and by power supply indicator 245, heater indicator lamp 246, low water stage indicator lamp 247 and alarm 244 are installed, observes above-mentioned relevant work situation.
In other words, power supply indicator 245 is connected with power switch 243.When power switch 243 was in opening, it was bright then to be shown as lamp.Therefore, the user can judge that it is in work.In addition, heater indicator lamp 246 is to be connected by the power supply that links to each other with heater 227.Thus, the user can judge heater 227 work whether.
In addition, confirm that when observe sensor 261 by water level the water yield is lower than the setting water yield in the water tanks 250, so, low water stage indicator lamp 247 is will display lamp bright, and by alarm 244 warnings, notifies the deficiency of user's water yield.
Method to set up for pressure meter and thermometer has two kinds: one is the lines mode, and two is digital mode.
Above-mentioned main body water tank then is arranged on the saddle 170 of the belt supporting frame 171 shown in figure two, for convenience in the moving of this saddle 170, support 171 and roller 173 has been installed in its lower section.
The operation of the ice defreezing device 100 of this frame mode is as follows: by the beginning of connecting with the mains, open circuit breaker 142,242, then power supply indicator 145,245 display lamps are bright, turn on the power switch 143,243 again, then the startup work of heater 127,227 and transformer just begins thus.
As long as send electricity on heater 127, water just is heated in first water tank 150, then produces high-temperature steam.At this moment, the hose that is connected in steam jet, be pushed into and freeze in the comb, open steam jet again, then high-temperature steam will be to freezing the comb work of thawing.Once illustrated that high-temperature steam was with the low temperature comb and freeze when contacting, relative temperature will descend to some extent, smaller volume.So at this moment the hose that links to each other with steam jet 126 naturally and understandably is sucked in the comb, the work that continues to thaw.
On the one hand, though the utility model has been made detailed description to example, do not exceeding within the scope of the present utility model, association area insighted known can make the people different the variation, and apply in a flexible way in real work.
Claims (6)
1, ice defreezing device is characterized in that: the preceding lower part of this ice defreezing device is made up of the first water tank main body (150) that is provided with steam jet mounting pipe (156) that is installed in the heater (157) on the heater mounting pipe (158) and be installed in above the side;
Form by second water tank (250) main body that comprises water filling port mounting pipe (253) that links to each other with water filling port (123) that is installed in heater (227) on the heater mounting pipe (258), is installed in the steam jet mounting pipe (256) above the side and is installed in a last side above first water tank (150);
Formed by a plurality of supports (171) and the handle (172) that is installed in saddle (170) one side ends below first water tank (150);
Shell (110) covers water tank (150,250).
2, according to the said ice defreezing device of claim 1, it is characterized in that: but a side of first water tank is provided with the water flowmeter (130) of observing water quantity; Be provided with the thermometer mounting pipe (155) of installation thermometer (125) and the temperature pick up mounting pipe (157) of mounting temperature sensor (141) above preceding; Then be provided with pressure drain valve mounting pipe (152), pressure meter mounting pipe (151), water level that each pressure drain valve (122), pressure meter (121), water level observation sensor (161) and transformer (124) are installed above and observe sensor mounting pipe (159) and transformer mounting pipe (154); The front of shell (110) is provided with circuit breaker (142), power switch (143), power supply indicator (145), heater indicator lamp (146), low water stage indicator lamp (147) and alarm (144).
3, according to the said ice defreezing device of claim 1, the characteristic of this ice defreezing device is as follows: but a side of second water tank is provided with the water flowmeter (230) of observing water quantity; Be provided with the thermometer mounting pipe (255) of installation thermometer (225) and the temperature pick up mounting pipe (257) of mounting temperature sensor (241) above preceding; The pressure drain valve mounting pipe (252), pressure meter mounting pipe (251), the water level that then are provided with setting pressure drain valve (222), pressure meter (221), water level observation sensor (261) and transformer (224) are above observed sensor mounting pipe (259) and transformer mounting pipe (254); The front of shell (110) is provided with circuit breaker (242), power switch (243), power supply indicator (245), heater indicator lamp (246), low water stage indicator lamp (247) and alarm (244).
4,, it is characterized in that the water that stores in second water tank (250) is injected in first water tank (150) by automatic filling valve (149) according to the said ice defreezing device of claim 1.
5, according to the said ice defreezing device of claim 2, it is characterized in that water flowmeter (130) by upper hose (131), sewer pipe (132) and connect go up (131), the plastic pipe (133) of (132) water pipe is formed down, the pressure of pressure drain valve (122) should be controlled at: the about 1Kg of lower limit (operating pressure); The about 1.5Kg of the upper limit (closing presure).The design temperature of TEMP (141) should be controlled at: about 120 ℃ of the upper limit.
6,, it is characterized in that a side of the saddle of this ice defreezing device is provided with fixedly foot rest and roller according to the said ice defreezing device of claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020040030851 | 2004-11-01 | ||
| KR20-2004-0030851U KR200377411Y1 (en) | 2004-11-01 | 2004-11-01 | Thawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2748519Y true CN2748519Y (en) | 2005-12-28 |
Family
ID=35720011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200586378U Expired - Fee Related CN2748519Y (en) | 2004-11-01 | 2004-12-13 | De-icing device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200377411Y1 (en) |
| CN (1) | CN2748519Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374168A (en) * | 2019-08-02 | 2019-10-25 | 汪军 | A kind of winter saving energy thaws the indoor water supply line of deicing |
| CN113718900A (en) * | 2021-09-27 | 2021-11-30 | 中国一冶集团有限公司 | Energy-saving unfreezing device for building water supply and drainage pipeline and working method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101168583B1 (en) * | 2011-08-11 | 2012-07-26 | 최말숙 | Steam thawer of automatic exhausting steam |
-
2004
- 2004-11-01 KR KR20-2004-0030851U patent/KR200377411Y1/en not_active IP Right Cessation
- 2004-12-13 CN CNU2004200586378U patent/CN2748519Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374168A (en) * | 2019-08-02 | 2019-10-25 | 汪军 | A kind of winter saving energy thaws the indoor water supply line of deicing |
| CN113718900A (en) * | 2021-09-27 | 2021-11-30 | 中国一冶集团有限公司 | Energy-saving unfreezing device for building water supply and drainage pipeline and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200377411Y1 (en) | 2005-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |