CN202187763U - Tunneller - Google Patents
Tunneller Download PDFInfo
- Publication number
- CN202187763U CN202187763U CN2011202356506U CN201120235650U CN202187763U CN 202187763 U CN202187763 U CN 202187763U CN 2011202356506 U CN2011202356506 U CN 2011202356506U CN 201120235650 U CN201120235650 U CN 201120235650U CN 202187763 U CN202187763 U CN 202187763U
- Authority
- CN
- China
- Prior art keywords
- development machine
- infrared ray
- warning device
- ray sensors
- fuselage
- 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 - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005616 pyroelectricity Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides a tunneller (9), which belongs to the field of tunnellers. The tunneller (9) comprises a main body (2) and a cutting part (1), and further comprises at least two first infrared sensors (5) which are respectively arranged on two sides of the main body (2) of the tunneller (9). Through the tunneller (9) provided by the utility model, casualty incidents can be avoided, and the operation safety is improved.
Description
Technical field
The utility model relates to a kind of development machine.
Background technology
Driving is the important production link of Coal Production.Development machine is used general in development, preparatory working construction as heading equipment.Development machine mainly comprises fuselage (comprising shovel board, body, running part or the like) and cutting units.Along with fuselage is pushed ahead, the continuous fractured rock of cutting units (coal), and through the panoramic table of body detritus (coal) is transported, think follow-up coal work preparatory working or workplace.
Owing in the development machine course of work,, have potential safety hazard, once casualty accident took place because personnel are strayed into the equipment operation zone for personnel's contact, near having no safety prevention measure with access arrangement operation range (particularly near cutting units).
The utility model content
The purpose of the utility model is to be directed against existing development machine for personnel's contact, near having no safety prevention measure with the access arrangement operation range, has the problem of potential safety hazard, and a kind of safe development machine is provided.
The digging implement that the utility model provides has fuselage and cutting units, and this development machine also comprises at least two first infrared ray sensors, and said at least two first infrared ray sensors are installed in the fuselage both sides of said development machine respectively.
The quantity of said first infrared ray sensor can be two, and said two first infrared ray sensor symmetries are installed in the angling cylinder connecting pin both sides of panoramic table of the fuselage of said development machine.
This development machine also can comprise at least one warning device; Said at least one warning device is installed on the fuselage of said development machine and with said two first infrared ray sensors is electrically connected at least, the warning device of said at least one warning device for starting according to the electrical signal of reaction from said at least two first infrared ray sensors.
The quantity of said warning device can be two, and said two warning devices are fixedly mounted on the electric control box loam cake place of the fuselage of said development machine.
Said warning device can be audible-visual annunciator.
This development machine also can comprise at least two second infrared ray sensors; Said at least two second infrared ray sensors are installed in the cutting units both sides of development machine respectively; Said at least one warning device is electrically connected with said two second infrared ray sensors at least, and said at least one warning device can be the warning device that also starts according to the electrical signal of reaction from said at least two second infrared ray sensors; Said development machine also can comprise the development machine ECU; This development machine ECU is electrically connected with said two second infrared ray sensors at least, and this development machine ECU can be the development machine ECU of the signal of telecommunication that can shut down according to the electrical signal of reaction output control development machine from said at least two second infrared ray sensors.
The quantity of said second infrared ray sensor can be two, and said two second infrared ray sensor symmetries are installed in the hoist cylinder connecting pin both sides of the cutting units of said development machine.
Said first infrared ray sensor and said second infrared ray sensor can be the thermoelectric type human infrared sensor.
Technical scheme according to the utility model; In the fuselage both sides of development machine at least two first infrared ray sensors have been installed; Said first infrared ray sensor has first investigative range; Can when having the people to get in its first investigative range, carry out the thermoelectricity induction and produce corresponding electrical signal of reaction; Thus, between the development machine on-stream period, as personnel during near machine body of boring machine both sides (promptly having personnel to enter in first investigative range of said first infrared ray sensor); Electrical signal of reaction can responded to and produce to first infrared ray sensor that is installed in the machine body of boring machine both sides; The development machine operating personnel can learn personnel near development machine through obtaining (for example in operating room) said electrical signal of reaction, and then take measures immediately (for example controlling development machine shuts down or give a warning), avoid taking place personnel casualty accidents.
The development machine that adopts the utility model to provide can be avoided casualties, and is safe.
Description of drawings
The structural representation of the development machine that Fig. 1 provides for the utility model;
Fig. 2 is the upward view of the development machine among Fig. 1.
The specific embodiment
Development machine below in conjunction with accompanying drawing provides the utility model is done further detailed description.
As depicted in figs. 1 and 2; The development machine 9 that the utility model provides has fuselage 2 and cutting units 1; This development machine 9 comprises that also 5, said at least two first infrared ray sensors 5 of at least two first infrared ray sensors are installed in fuselage 2 both sides of said development machine 9 respectively.
The cutting units 1 of development machine 9 has rotatable cutting cutterhead, can be used for broken coal petrography by different rotating speeds, different directions rotation, and cutting units 1 also has hoist cylinder 10, is used to control the motion of cutting cutterhead; The fuselage 2 of development machine 9 mainly comprises shovel board 12, body 15, running part 16 and electric control box 17; Running part 16 adopts crawler units, be used for development machine 9 propelling, retreat, turn to and climb; Body 15 mainly comprises panoramic table; Shovel board 12 is used to collect by the decline coal petrography that gets off and it is shipped to the panoramic table of body 15 of cutting units 1 cutting; Panoramic table mainly comprises travelling belt, blow tank and angling cylinder 8, and angling cylinder 8 is used to control panoramic table and carries out gyration, is installed in the blow tank of panoramic table by commentaries on classics from the coal petrography that shovels board 12; And be transported to development machine 9 afterbodys, thereby be discharged in mine car or other haulage device by travelling belt; Electric control box 17 is mainly used in to be monitored and controls the work of development machine 9.The primary structure of development machine 9 and the course of work are conventionally known to one of skill in the art.
According to the technical scheme that the utility model provides, fuselage 2 both sides of development machine 9 are separately installed with at least two first infrared ray sensors 5.Said first infrared ray sensor 5 can detect the ultrared energy variation of human body radiation in its first investigative range with the noncontact form for having first investigative range arbitrarily, and converts thereof into the infrared ray sensor of electrical signal of reaction output.
The technical scheme that provides according to the utility model; Owing to be separately installed with at least two first infrared ray sensors 5 in fuselage 2 both sides of development machine 9; As personnel during near development machine 9 fuselage both sides (promptly entering in first investigative range of first infrared ray sensor 5); Electrical signal of reaction output can responded to and produce to first infrared ray sensor 5; The development machine operating personnel can learn personnel near development machine through obtaining (for example in operating room) said electrical signal of reaction, and then take measures immediately (for example controlling development machine shuts down or give a warning), avoid taking place personnel casualty accidents.
Can first infrared ray sensor 5 of equal number or varying number be installed in development machine 9 fuselages 2 both sides according to the needs of real work, and can adopt symmetry to install or asymmetric installation.Under the preferable case, the quantity of said first infrared ray sensor 5 is two, and said two first infrared ray sensor 5 symmetries are installed in fuselage 2 both sides of said development machine 9.Be more preferably under the situation, said first infrared ray sensor, 5 symmetries are installed in the angling cylinder 8 connecting pin both sides of the panoramic table of development machine 9 fuselages 2.
For the personnel near development machine 9 are carried out early warning; To stop it near development machine 9; Under the preferable case; The development machine 9 that the utility model provides also comprises at least one warning device 4, and said at least one warning device 4 is installed on the fuselage 2 of said development machine 9 and with said two first infrared ray sensors 5 is electrically connected at least, the warning device of said at least one warning device 4 for starting according to the electrical signal of reaction from said at least two first infrared ray sensors 5.
According to the technical scheme that the utility model provides, said warning device 4 can start according to the electrical signal of reaction from said two first infrared ray sensors 5 that receives at least, to carry out alarm.Therefore; As personnel during near development machine 9 fuselages 2 both sides (promptly entering in first investigative range of first infrared ray sensor 5); First infrared ray sensor 5 that is installed in development machine 9 fuselages 2 both sides is responded to and is produced electrical signal of reaction output; Warning device 4 starts according to the said electrical signal of reaction that receives, so that the personnel near development machine 9 are carried out alarm.
Said warning device 4 is for starting with light and/or the voice device as alarm according to the signal of telecommunication that receives arbitrarily.In order to reach better caution effect, under the preferable case, said warning device 4 is for carrying out the audible-visual annunciator of alarm with voice and light.Can be provided with according to the needs of practical application internal circuit, to achieve function corresponding audible-visual annunciator.For example; Be in a safe condition with green light normal bright expression in the time of can audible-visual annunciator being arranged in the electrical signal of reaction that does not receive from first infrared ray sensor 5; When the electrical signal of reaction that receives from first infrared ray sensor 5, being interrupted flash of light with redness warns; Control its sound circuit simultaneously and send the alarm sound of " someone gets into the development machine working region, asks the driver to note " continuous three times.
The technical scheme that provides according to the utility model; Because said development machine 9 is used for mining; Can adopt KXB127 type mine explosion-suppression and intrinsic safety type phonetic alarm, this alarm housing is the Q235A group welding piece, is applicable to the place of gas, coal dust explosion hazard; And have the dual caution of voice and LED light, improved the safety in mining place effectively.
The quantity of the warning device of on development machine 9 fuselages 2, installing 4 can be set according to the needs of real work.Generally, the quantity of said warning device 4 is two, and said two warning devices 4 are fixedly mounted on the electric control box 17 loam cake places of the fuselage 2 of said development machine 9.
9 couples of personnel's of development machine injury mainly occurs in cutting units 1 part; In order to prevent near the personnel of development machine 9 owing to neglect the caution of warning device 4 not to be noted; Continuation is near development machine 9, and then near cutting units 1, causes causing danger; Under the preferable case; As shown in Figure 1, the development machine 9 that the utility model provides comprises that also at least two 6, said at least two second infrared ray sensors 6 of second infrared ray sensor that are used to produce electrical signal of reaction are installed in cutting units 1 both sides of development machine 9 respectively; Said at least one warning device is electrically connected with said two second infrared ray sensors 6 at least, the warning device of said at least one warning device 4 for also starting according to the electrical signal of reaction from said at least two second infrared ray sensors 6; Said development machine 9 also comprises development machine ECU 3; This development machine ECU 3 is electrically connected with said two second infrared ray sensors 6 at least, and this development machine ECU 3 is the development machine ECU 3 of the signal of telecommunication that can shut down according to the electrical signal of reaction output control development machine 9 from said at least two second infrared ray sensors 6.
Said development machine ECU 3 can be PLC (programmable logic controller (PLC)); It adopts programmable storage; The instruction of operations such as the computing of the actuating logic of portion's storage within it, sequential operation, timing, counting; And, control various types of machineries or manufacturing process through digital or analog input and output, be control signal treating apparatus commonly used in a kind of Industry Control.Said development machine ECU 3 can be handled the exercises control signal (for example enabling signal) of the development machine 9 of operating personnel input; Make operational order that its on-the-spot execution unit that becomes development machine 9 can discern and the on-the-spot execution unit that outputs to development machine 9, to realize action control to development machine 9.The action control procedure of development machine 9 is conventionally known to one of skill in the art.Can be provided with development machine ECU 3, so that it is receiving the signal of telecommunication that output control development machine 9 shuts down under the situation of said electrical signal of reaction.
Said second infrared ray sensor 6 can detect the ultrared energy variation of human body radiation in its second investigative range with the noncontact form for having second investigative range arbitrarily, and converts thereof into the infrared ray sensor of electrical signal of reaction output.
According to the technical scheme that the utility model provides, said at least two second infrared ray sensors 6 are electrically connected with said development machine ECU 3 with said at least one warning device 4.Because said at least two second infrared ray sensors 6 are installed in cutting units 1 both sides of development machine 9; Thus; As personnel during near development machine 9 fuselages 2 both sides (promptly entering in first investigative range of first infrared ray sensor 5); Electrical signal of reaction output can responded to and produce to first infrared ray sensor 5 that is installed in development machine 9 fuselages 2 both sides, and warning device 4 starts according to the electrical signal of reaction that receives, so that the personnel near development machine 9 are carried out alarm; If personnel continue to move ahead; And then enter in second investigative range of second infrared ray sensor 6; Then electrical signal of reaction output can responded to and produce at least two of cutting units 1 second infrared ray sensors 6, and the warning device 4 that is connected with second infrared ray sensor 6 starts according to the electrical signal of reaction that receives, so that the personnel that continue to move ahead are carried out alarm once more; Simultaneously; The development machine ECU 3 that is connected with second infrared ray sensor 6 is according to receiving the signal of telecommunication that electrical signal of reaction output control development machine 9 shuts down, and control development machine 9 shuts down, and has protected personal safety.
Can second infrared ray sensor 6 of equal number or varying number be installed in development machine 9 fuselages 2 both sides according to the needs of real work, and can adopt symmetry to install or asymmetric installation.Under the preferable case, the quantity of said second infrared ray sensor 6 is two, and said two second infrared ray sensor 6 symmetries are installed in the hoist cylinder 10 connecting pin both sides of the cutting units 1 of said development machine 9.
For the personnel's of the nearly development machine 9 that achieves a butt joint effectively detection, under the preferable case, said first infrared ray sensor 5 and second infrared ray sensor 6 are the thermoelectric type human infrared sensor.
The thermoelectric type human infrared sensor is based on the infrared ray sensor of pyroelectric effect principle; Utilize the people to know from experience sending specific wavelength is the ultrared principle about 10 μ m, through being that the change transitions of the infrared signal between the 8-12 μ m is that electrical signal of reaction surveys whether the someone gets into its search coverage with the wavelength in its investigative range.The thermoelectric type human infrared sensor mainly is made up of probe and infrared induction source.Be coated with the Fei Nier Filter on the said probe; Be used for the infrared rays in the investigative range is focused on the infrared induction source; The pyroelectricity element is adopted in said infrared induction source usually, can lose charge balance when the human infrared radiation temperature changes receiving, and outwards discharges electric charge.Thus, when no human body moved in the investigative range of said infrared ray sensor, infrared radiation temperature did not change, infrared induction source charge balance; When having human body to move (promptly having human body to get into) in the investigative range, infrared radiation temperature changes, and the infrared induction source loses charge balance, outwards discharges electric charge, produces electrical signal of reaction thus.The thermoelectric type human infrared sensor is an infrared ray sensor commonly used in the monitoring and alarming system, and its structure and the course of work are conventionally known to one of skill in the art.
The search coverage of the probe of said first infrared ray sensor 5 and second infrared ray sensor 6 is " V " type (promptly fan-shaped); Its investigative range is: the central point with lens is that starting point is outwards distributed; Have specific shooting angle in the horizontal and vertical directions, and on the outgoing center line, have specific range.The probe of different size has different investigative ranges.
Can select the investigative range of probe or adjust according to the needs of real work, so that the investigative range of probe satisfies the requirement of real work.Technical scheme according to the utility model; Said first infrared ray sensor 5 has first investigative range; Said second infrared ray sensor 6 has second investigative range, and according to the needs in practical application place, said first investigative range and second investigative range can be identical or different.
For the personnel of the nearly development machine 9 that achieves a butt joint preferably check; Under the preferable case; Can first investigative range be set to identical with second investigative range; And first investigative range and second investigative range all are set to: probe shooting angle in the horizontal and vertical directions is (i.e. the detection angle of probe) between the 15-30 degree, and the outgoing distance of probe on the outgoing center line is smaller or equal to 3 meters; Under the preferable case, probe shooting angle in the horizontal and vertical directions is set to 30 degree, and the outgoing distance of probe on the outgoing center line is set to 3 meters, to obtain wider first investigative range and second investigative range.In order to have more excellent Effect on Detecting, under the preferable case, between said first investigative range and second investigative range overlapping is arranged.
The development machine 9 that adopts the utility model to provide; Between development machine 9 on-stream periods, during near development machine 9 fuselages 2 both sides, electrical signal of reaction output can responded to and produce to first infrared ray sensor 5 that is installed in development machine 9 fuselages 2 both sides as personnel; The development machine operating personnel can learn that personnel are near development machine according to the said electrical signal of reaction that obtains; And then take measures immediately, avoid taking place personnel casualty accidents, improved the safety of operation.
Though the utility model is disclosed through above-mentioned embodiment; Yet above-mentioned embodiment is not in order to limit the utility model; Those skilled in the art under any the utility model in spirit that does not break away from the utility model and scope, should do various changes and modification.Therefore the protection domain of the utility model should be as the criterion with the scope that appended claims was defined.
Claims (8)
1. a development machine (9); This development machine (9) has fuselage (2) and cutting units (1); It is characterized in that this development machine (9) also comprises at least two first infrared ray sensors (5), said at least two first infrared ray sensors (5) are installed in fuselage (2) both sides of said development machine (9) respectively.
2. development machine according to claim 1 (9); It is characterized in that; The quantity of said first infrared ray sensor (5) is two, and said two first infrared ray sensors (5) symmetry is installed in angling cylinder (8) the connecting pin both sides of panoramic table of the fuselage (2) of said development machine (9).
3. development machine according to claim 1 (9); It is characterized in that; This development machine (9) also comprises at least one warning device (4); Said at least one warning device (4) is installed in the fuselage (2) of said development machine (9) and goes up and be electrically connected with said at least two first infrared ray sensors (5), the warning device of said at least one warning device (4) for starting according to the electrical signal of reaction from said at least two first infrared ray sensors (5).
4. development machine according to claim 3 (9) is characterized in that, the quantity of said warning device (4) is two, and said two warning devices (4) are fixedly mounted on electric control box (17) the loam cake place of the fuselage (2) of said development machine (9).
5. development machine according to claim 3 (9) is characterized in that, said warning device (4) is an audible-visual annunciator.
6. development machine according to claim 3 (9); It is characterized in that; This development machine (9) also comprises at least two second infrared ray sensors (6); Said at least two second infrared ray sensors (6) are installed in cutting units (1) both sides of development machine (9) respectively; Said at least one warning device (4) is electrically connected with said two second infrared ray sensors (6) at least, the warning device of said at least one warning device (4) for also starting according to the electrical signal of reaction from said at least two second infrared ray sensors (6);
Said development machine (9) also comprises development machine ECU (3); This development machine ECU (3) is electrically connected with said two second infrared ray sensors (6) at least, and this development machine ECU (3) is for can be according to the development machine ECU of the signal of telecommunication that shut down from the electrical signal of reaction of said at least two second infrared ray sensors (6) output control development machine (9).
7. development machine according to claim 6 (9); It is characterized in that; The quantity of said second infrared ray sensor (6) is two, and said two second infrared ray sensors (6) symmetry is installed in hoist cylinder (10) the connecting pin both sides of the cutting units (1) of said development machine (9).
8. development machine according to claim 6 (9) is characterized in that, said first infrared ray sensor (5) and said second infrared ray sensor (6) are the thermoelectric type human infrared sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202356506U CN202187763U (en) | 2011-07-06 | 2011-07-06 | Tunneller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202356506U CN202187763U (en) | 2011-07-06 | 2011-07-06 | Tunneller |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202187763U true CN202187763U (en) | 2012-04-11 |
Family
ID=45919222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202356506U Expired - Lifetime CN202187763U (en) | 2011-07-06 | 2011-07-06 | Tunneller |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202187763U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106915690A (en) * | 2015-12-27 | 2017-07-04 | 天津市鑫源泓达科技有限公司 | A kind of crane with infrared induction function |
CN112796753A (en) * | 2021-03-05 | 2021-05-14 | 三一重型装备有限公司 | Development machine |
-
2011
- 2011-07-06 CN CN2011202356506U patent/CN202187763U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106915690A (en) * | 2015-12-27 | 2017-07-04 | 天津市鑫源泓达科技有限公司 | A kind of crane with infrared induction function |
CN112796753A (en) * | 2021-03-05 | 2021-05-14 | 三一重型装备有限公司 | Development machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203241821U (en) | Crawler type coal mine gas tour-inspection robot | |
CN109887235B (en) | Construction operation district safety alarm device | |
CN106640198A (en) | Coal mine underground roadway ventilation alarm device | |
CN207813654U (en) | Based on ranging and the coal working face calamity forecast system to test the speed | |
CN103485826B (en) | Coal and Gas Outburst Accident Alarm Method | |
RU2400633C1 (en) | System for confinement and suppression of methane-air mixtures and/or coal dust explosions in mines network | |
US20210348988A1 (en) | Methane watchdog system, a cost effective approach to longwall methane monitoring and control | |
CN210794762U (en) | Novel broken chain monitoring device for scraper conveyor | |
CN107795336A (en) | Based on ranging and the coal-face calamity forecast system to test the speed | |
CN107725110A (en) | Based on ranging and the driving face calamity forecast system to test the speed | |
CN202187763U (en) | Tunneller | |
CN102251809A (en) | Isolation disaster reduction door control system for mine zones | |
CN203519200U (en) | Distributed fiber temperature measurement system for underground coal mine | |
CN102701090B (en) | Substation high-rise charged body approach-preventing laser safety scanning alarm | |
CN219687485U (en) | Mining four-wheel explosion-proof robot with lifting rod | |
CN108773641A (en) | A kind of crusing robot of new type mining ribbon conveyer | |
CN104217519A (en) | Fire alarm robot for transformer substations and inflammable places | |
CN106480873A (en) | Dynamic compaction machinery automatic control system and method | |
CN209444372U (en) | A kind of development machine pedestrains safety warning/locking device | |
CN103662720A (en) | Centralized control system for coal mine belt conveyors | |
CN103967633A (en) | Diesel locomotive automatic control method used for highway gas tunnel | |
CN204777390U (en) | Rubber belt conveyor protection device | |
CN210384634U (en) | Automatic fire extinguishing device of fracturing pump truck | |
CN204162312U (en) | A kind of with rail crane collision resistant induction installation | |
CN203806995U (en) | Anti-collision control system for cranes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120411 |