CN111255974A - Pipeline heater - Google Patents
Pipeline heater Download PDFInfo
- Publication number
- CN111255974A CN111255974A CN202010163199.5A CN202010163199A CN111255974A CN 111255974 A CN111255974 A CN 111255974A CN 202010163199 A CN202010163199 A CN 202010163199A CN 111255974 A CN111255974 A CN 111255974A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- box body
- fixedly arranged
- supporting rod
- hot plate
- 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
-
- 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
- F16L53/30—Heating of pipes or pipe systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a pipeline heater, which comprises a connecting box body, wherein pipeline box bodies are symmetrically arranged on the upper part and the lower part of the connecting box body, a first pipeline is fixedly arranged in each pipeline box body, a second pipeline positioned below the first pipeline is fixedly arranged in each pipeline box body, the first pipeline is connected with the second pipeline through a ventilation box body, a change mechanism is arranged on each pipeline box body, heating mechanisms are symmetrically arranged on the front and the back of each pipeline box body, a linkage mechanism is arranged on the right side of each pipeline box body, a first support rod is fixedly arranged on the lower end wall of the connecting box body, a first rotating shaft is rotatably arranged at the upper end of the first support rod, a first belt wheel and a first disc are fixedly arranged on the first rotating shaft, the pipeline heater disclosed by the invention adopts a mode that one heater can heat two pipelines, so that the use efficiency of the heater is greatly improved, on the cooperation of the heater and the pipe.
Description
Technical Field
The invention relates to the technical field of heat exchange equipment, in particular to a pipeline heater.
Background
At present, the heating machine is widely applied to the field of heat exchange equipment for heating substances in pipelines, the existing defects are that the matching between the heating equipment and the pipelines is not efficient enough, the working efficiency cannot be changed timely, and the flexible combination between the heating equipment and a plurality of pipelines cannot be carried out in the use process of the heating equipment, so that the application range is narrow, resources cannot be effectively utilized, and the heating equipment cannot be effectively utilized.
Disclosure of Invention
Aiming at the technical defects, the invention provides a pipeline heater which can overcome the defects.
The invention relates to a pipeline heater, which comprises a connecting box body, wherein the connecting box body is provided with pipeline box bodies in an up-down symmetrical manner, a first pipeline is fixedly arranged in each pipeline box body, a second pipeline positioned below the first pipeline is fixedly arranged in each pipeline box body, the first pipeline and the second pipeline are connected through a ventilation box body, a change mechanism is arranged on each pipeline box body, heating mechanisms are symmetrically arranged in the front and back of each pipeline box body, a linkage mechanism is arranged on the right side of each pipeline box body, a first supporting rod is fixedly arranged on the lower end wall of the connecting box body, a first rotating shaft is rotatably arranged at the upper end of the first supporting rod, a first belt wheel and a first disc are fixedly arranged on the first rotating shaft, a first connecting rod is fixedly arranged on the first disc, a second supporting rod positioned behind the first supporting rod is fixedly arranged on the lower end wall of the connecting, second branch upper end fixed mounting has the motor, fixed mounting has second band pulley and third band pulley on the motor output shaft, fixed mounting has to be located on the connecting box lower extreme wall the third branch at second branch rear, rotate on the third branch and install the second pivot, fixed mounting has fourth band pulley and second disc in the second pivot, fixed mounting has the second connecting rod on the second disc, first band pulley is connected through first belt with the third band pulley, the second band pulley is connected through the second belt with the fourth band pulley.
Preferably, the changing mechanism comprises a first slide rail fixedly arranged at the upper end of the first connecting rod, a second slide rail is fixedly arranged in the first slide rail, an electromagnet is fixedly arranged at the right side of the second slide rail, a spring is fixedly arranged on the left end surface of the electromagnet, a slide block which is connected with the second slide rail in a sliding manner is fixedly arranged at the left end of the spring,
beneficially, preferably, the heating mechanism comprises a first heating plate fixedly mounted on a spring, a second heating plate fixedly mounted on the spring and positioned on the right side of the first heating plate, a third heating plate fixedly mounted on the spring and positioned on the right side of the second heating plate, a fourth heating plate fixedly mounted on the spring and positioned on the right side of the third heating plate, a groove is arranged on the fourth heating plate, a first circular groove positioned below the groove is arranged on the fourth heating plate, a second circular groove positioned below the first circular groove is arranged on the fourth heating plate, a convex block is fixedly arranged on the rear end face of the fourth heating plate, a third circular groove positioned behind the first circular groove is arranged on the fourth heating plate, and a fourth circular groove positioned behind the second circular groove is arranged on the fourth heating plate,
preferably, the linkage mechanism comprises a hydraulic cylinder fixedly mounted on the right end face of the pipeline box body, a first sliding plate is slidably mounted in the hydraulic cylinder, a fourth supporting rod is fixedly mounted on the left end face of the first sliding plate, a second sliding plate is fixedly mounted on the left end face of the fourth supporting rod, a third sliding plate located below the first sliding plate is slidably mounted in the hydraulic cylinder, a fourth supporting rod is fixedly mounted on the upper end face of the third sliding plate, a fifth supporting rod is fixed at the upper end of the fourth supporting rod, a fourth sliding plate is fixedly mounted at the upper end of the fifth supporting rod, a first L-shaped supporting rod is fixedly mounted at the right end of the first pipeline, a third rotating shaft is rotatably mounted at the right end of the first L-shaped supporting rod, a fifth belt pulley and a gear are fixedly mounted on the third rotating shaft, a first baffle is fixedly mounted at the lower end of the gear, a second L-, the right end of the second L-shaped supporting rod is rotatably provided with a fourth rotating shaft, a sixth belt wheel and a third disc are fixedly arranged on the fourth rotating shaft, the sixth belt wheel is connected with a fifth belt wheel through a third belt, a second baffle is fixedly arranged on the third disc, and a rack fixedly connected with a second sliding plate is arranged above the gear in a meshed mode.
The beneficial effects are that: according to the pipeline heating machine, the mode that one heating machine can heat two pipelines is adopted, so that the use efficiency of the heating machine is greatly improved, when the heating machine is matched with the pipelines, one pipeline is automatically closed when the heating machine heats the other pipeline, the matching is more tacit and efficient, the integral working efficiency is improved, the structure of the device is stable, and the manufacturing cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a tube heater according to the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 in the direction of arrow A;
FIG. 3 is an enlarged schematic view in the direction of arrow B in FIG. 1;
FIG. 4 is an enlarged schematic view in the direction of arrow C in FIG. 1;
fig. 5 is an enlarged view of the second slide plate of fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a pipeline heater, which comprises a connecting box body 10, wherein the connecting box body 10 is symmetrically provided with pipeline box bodies 11 up and down, a first pipeline 14 is fixedly arranged in the pipeline box body 11, a second pipeline 12 positioned below the first pipeline 14 is fixedly arranged in the pipeline box body 11, the first pipeline 14 is connected with the second pipeline 12 through a ventilation box body 13, the pipeline box body 11 is provided with a change mechanism, the pipeline box body 11 is symmetrically provided with a heating mechanism front and back, the right side of the pipeline box body 11 is provided with a linkage mechanism, the lower end wall of the connecting box body 10 is fixedly provided with a first support rod 37, the upper end of the first support rod 37 is rotatably provided with a first rotating shaft 40, the first rotating shaft 40 is fixedly provided with a first belt pulley 39 and a first disc 38, the first disc 38 is fixedly provided with a first connecting rod 41, the lower end wall of the connecting box body 10 is fixedly provided with a second support rod 52 positioned behind the first support rod 37, second branch 52 upper end fixed mounting has motor 45, fixed mounting has second band pulley 44 and third band pulley 43 on the motor 45 output shaft, fixed mounting has to be located on the lower end wall of connection box 10 third branch 51 at second branch 52 rear, it has second pivot 50 to rotate on the third branch 51, fixed mounting has fourth band pulley 49 and second disc 48 in the second pivot 50, fixed mounting has second connecting rod 47 on the second disc 48, first band pulley 39 is connected through first belt 42 with third band pulley 43, second band pulley 44 is connected through second belt 46 with fourth band pulley 49.
Beneficially, the changing mechanism comprises a first slide rail 16 fixedly mounted at the upper end of the first connecting rod 41, a second slide rail 17 is fixedly mounted in the first slide rail 16, an electromagnet 23 is fixedly mounted at the right side of the second slide rail 17, a spring 22 is fixedly mounted at the left end face of the electromagnet 23, and a slide block 15 slidably connected with the second slide rail 17 is fixedly mounted at the left end of the spring 22.
Advantageously, the heating means comprise a first heating plate 18 fixedly mounted on a spring 21, a second heating plate 19 fixedly mounted on said spring 21 on the right of said first heating plate 18, a third heating plate 20 positioned at the right side of the second heating plate 19 is fixedly installed on the spring 21, a fourth heating plate 21 positioned at the right side of the third heating plate 20 is fixedly installed on the spring 21, a groove 27 is arranged on the fourth heating plate 21, a first circular groove 26 positioned below the groove 27 is arranged on the fourth heating plate 21, the fourth heating plate 21 is provided with a second circular groove 25 positioned below the first circular groove 26, a convex block 29 is fixedly arranged on the rear end surface of the fourth heating plate 21, a third circular groove 28 positioned behind the first circular groove 26 is arranged on the fourth heating plate 21, the fourth heating plate 21 is provided with a fourth circular groove 36 located behind the second circular groove 25.
Beneficially, the linkage mechanism includes a hydraulic cylinder 66 fixedly installed on the right end face of the pipeline box 11, a first sliding plate 65 is slidably installed in the hydraulic cylinder 66, a fourth supporting rod 64 is fixedly installed on the left end face of the first sliding plate 65, a second sliding plate 63 is fixedly installed on the left end face of the fourth supporting rod 64, a third sliding plate 52 located below the first sliding plate 65 is slidably installed in the hydraulic cylinder 66, a fourth supporting rod 53 is fixedly installed on the upper end face of the third sliding plate 52, a fifth supporting rod 53 is fixed on the upper end of the fourth supporting rod 53, a fourth sliding plate 54 is fixedly installed on the upper end of the fifth supporting rod 53, a first L-shaped supporting rod 60 is fixedly installed on the right end face of the first pipeline 14, a third rotating shaft 69 is rotatably installed on the right end of the first L-shaped supporting rod 60, a fifth belt pulley 68 and a gear 67 are fixedly installed on the third rotating shaft 69, first pipeline 14 right-hand member fixed mounting has and is located second L type branch 59 of first L type branch 60 below, second L type branch 59 right-hand member rotates and installs fourth pivot 57, fixed mounting has sixth band pulley 56 and third disc 55 in the fourth pivot 57, sixth band pulley 56 is connected through third belt 70 with fifth band pulley 68, fixed mounting has second baffle 72 on the third disc 55, gear 67 top meshing install with second slide 63 fixed connection's rack 62.
In an initial state, the third circular groove 28 and the fourth circular groove 36 are not in contact with the first pipeline 14, the second slide rail 17 is not in contact with the fourth slide plate 54, the second baffle plate 72 is in contact with the first baffle plate 71, air is not communicated between the first pipeline 14 and the second pipeline 12, the electromagnet 23 is in an electrified state, and the spring 22 is in a compressed state;
when the heating device starts to work, the motor 45 starts to work to enable the third belt wheel 43 to rotate, the third circular groove 28 and the fourth circular groove 36 are enabled to be in contact with the first pipeline 14 through transmission of the first belt 42, the second slide rail 17 is enabled to be in contact with the fourth slide plate 54, the third slide plate 52 moves backwards, the rack 62 is enabled to move leftwards through transmission of the hydraulic cylinder 66, the gear 67 and the fifth belt wheel 68 rotate anticlockwise, the third disc 55 and the sixth belt wheel 56 rotate clockwise through transmission of the third belt 70, the second baffle plate 72 is enabled not to be in contact with the first baffle plate 71, the first pipeline 14 and the second pipeline 12 are enabled to be ventilated, the electromagnet 23 is in a power-off state, and the spring 22 is in a reset state to conduct heating work.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. A pipeline heater comprises a connecting box body, wherein pipeline box bodies are symmetrically arranged on the upper and lower sides of the connecting box body, a first pipeline is fixedly arranged in each pipeline box body, a second pipeline positioned below the first pipeline is fixedly arranged in each pipeline box body, the first pipeline is connected with the second pipeline through a ventilation box body, a change mechanism is arranged on each pipeline box body, heating mechanisms are symmetrically arranged on the front and back of each pipeline box body, a linkage mechanism is arranged on the right side of each pipeline box body, a first supporting rod is fixedly arranged on the lower end wall of the connecting box body, a first rotating shaft is rotatably arranged at the upper end of the first supporting rod, a first belt wheel and a first disc are fixedly arranged on the first rotating shaft, a first connecting rod is fixedly arranged on the first disc, a second supporting rod positioned behind the first supporting rod is fixedly arranged on the lower end wall of the connecting box body, second branch upper end fixed mounting has the motor, fixed mounting has second band pulley and third band pulley on the motor output shaft, fixed mounting has to be located on the connecting box lower extreme wall the third branch at second branch rear, rotate on the third branch and install the second pivot, fixed mounting has fourth band pulley and second disc in the second pivot, fixed mounting has the second connecting rod on the second disc, first band pulley is connected through first belt with the third band pulley, the second band pulley is connected through the second belt with the fourth band pulley.
2. The pipe heater according to claim 1, wherein: the change mechanism comprises a first slide rail fixedly mounted at the upper end of the first connecting rod, a second slide rail is fixedly mounted in the first slide rail, an electromagnet is fixedly mounted on the right side of the second slide rail, a spring is fixedly mounted on the left end face of the electromagnet, and a slide block which is connected with the second slide rail in a sliding manner is fixedly mounted at the left end of the spring.
3. The pipe heater according to claim 1, wherein: heating mechanism includes the first hot plate of fixed mounting on the spring, fixed mounting has and is located on the spring the second hot plate on first hot plate right side, fixed mounting has and is located on the spring the third hot plate on second hot plate right side, fixed mounting has and is located on the spring the fourth hot plate on third hot plate right side, be provided with the recess on the fourth hot plate, be provided with on the fourth hot plate and be located the first circular slot of recess below, be provided with on the fourth hot plate and be located the second circular slot of first circular slot below, the fixed lug that is provided with of fourth hot plate rear end face, be provided with on the fourth hot plate and be located the third circular slot at first circular slot rear, be provided with on the fourth hot plate and be located the fourth circular slot at second circular slot rear.
4. The pipe heater according to claim 1, wherein: the linkage mechanism comprises a hydraulic cylinder fixedly arranged on the right end face of the pipeline box body, a first sliding plate is arranged in the hydraulic cylinder in a sliding manner, a fourth supporting rod is fixedly arranged on the left end face of the first sliding plate, a second sliding plate is fixedly arranged on the left end face of the fourth supporting rod, a third sliding plate positioned below the first sliding plate is arranged in the hydraulic cylinder in a sliding manner, a fourth supporting rod is fixedly arranged on the upper end face of the third sliding plate, a fifth supporting rod is fixed at the upper end of the fourth supporting rod, a fourth sliding plate is fixedly arranged at the upper end of the fifth supporting rod, a first L-shaped supporting rod is fixedly arranged at the right end of the first pipeline, a third rotating shaft is rotatably arranged at the right end of the first L-shaped supporting rod, a fifth belt wheel and a gear are fixedly arranged on the third rotating shaft, a first baffle is fixedly arranged at the lower end of, the right end of the second L-shaped supporting rod is rotatably provided with a fourth rotating shaft, a sixth belt wheel and a third disc are fixedly arranged on the fourth rotating shaft, the sixth belt wheel is connected with a fifth belt wheel through a third belt, a second baffle is fixedly arranged on the third disc, and a rack fixedly connected with a second sliding plate is arranged above the gear in a meshed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010163199.5A CN111255974B (en) | 2020-03-10 | 2020-03-10 | Pipeline heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010163199.5A CN111255974B (en) | 2020-03-10 | 2020-03-10 | Pipeline heating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255974A true CN111255974A (en) | 2020-06-09 |
| CN111255974B CN111255974B (en) | 2022-12-27 |
Family
ID=70947604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010163199.5A Active CN111255974B (en) | 2020-03-10 | 2020-03-10 | Pipeline heating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111255974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175580A (en) * | 2021-06-09 | 2021-07-27 | 成都正升能源技术开发有限公司 | Heating device connected outside oil pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201143920Y (en) * | 2007-11-21 | 2008-11-05 | 赵连柱 | Automobile window personal protection expansion device driven by cylinder |
| CN205799505U (en) * | 2016-07-11 | 2016-12-14 | 清华大学 | Idle running transmission flexible piece coupling adaptive robot finger apparatus |
| CN206490843U (en) * | 2017-02-22 | 2017-09-12 | 江苏一森电采暖科技有限公司 | A kind of electrothermal membrane heating element |
| WO2017212288A1 (en) * | 2016-06-09 | 2017-12-14 | Aker Solutions Limited | Subsea power supply and accumulation control in a fluid system |
| CN208638746U (en) * | 2018-06-30 | 2019-03-22 | 深圳市安迪尔电器有限公司 | A kind of grafting assembly type fin electric heating tube |
| CN208735098U (en) * | 2018-09-06 | 2019-04-12 | 乔欣 | The stifled cancellation element of natural gas line ice |
| CN209350901U (en) * | 2018-10-25 | 2019-09-06 | 贵州富邦水电工程有限公司 | A kind of water pipe docking facilities of Hydroelectric Project Construction |
-
2020
- 2020-03-10 CN CN202010163199.5A patent/CN111255974B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201143920Y (en) * | 2007-11-21 | 2008-11-05 | 赵连柱 | Automobile window personal protection expansion device driven by cylinder |
| WO2017212288A1 (en) * | 2016-06-09 | 2017-12-14 | Aker Solutions Limited | Subsea power supply and accumulation control in a fluid system |
| CN205799505U (en) * | 2016-07-11 | 2016-12-14 | 清华大学 | Idle running transmission flexible piece coupling adaptive robot finger apparatus |
| CN206490843U (en) * | 2017-02-22 | 2017-09-12 | 江苏一森电采暖科技有限公司 | A kind of electrothermal membrane heating element |
| CN208638746U (en) * | 2018-06-30 | 2019-03-22 | 深圳市安迪尔电器有限公司 | A kind of grafting assembly type fin electric heating tube |
| CN208735098U (en) * | 2018-09-06 | 2019-04-12 | 乔欣 | The stifled cancellation element of natural gas line ice |
| CN209350901U (en) * | 2018-10-25 | 2019-09-06 | 贵州富邦水电工程有限公司 | A kind of water pipe docking facilities of Hydroelectric Project Construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175580A (en) * | 2021-06-09 | 2021-07-27 | 成都正升能源技术开发有限公司 | Heating device connected outside oil pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111255974B (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201997581U (en) | Pipe bender | |
| CN111255974B (en) | Pipeline heating machine | |
| CN108599463A (en) | Liquid cooling radiator structure of new energy automobile motor | |
| CN107994488A (en) | Electric cabinet heat exchanger based on industrial machinery | |
| CN210023361U (en) | Pipeline bending device is used in installation of warm class electromechanical device that leads to | |
| CN212028391U (en) | Air pressure disc type brake | |
| CN211084768U (en) | Adjusting device for air outlet movement | |
| CN215143641U (en) | High-efficient bending device of heat pipe | |
| CN212389904U (en) | Quick corrugated pipe mounting device | |
| CN104550367B (en) | Worm-gear type bending machine | |
| CN211679432U (en) | Device for bending capillary tube into U shape | |
| CN211679433U (en) | Bending device of capillary tube | |
| CN210633020U (en) | Cutting device for thick pipe | |
| CN209272195U (en) | A kind of metal strip bar folder | |
| CN209407279U (en) | A kind of high-speed railway bridge engineering construction reinforcing bar pre-bending device | |
| CN208915153U (en) | Pivoted arm and bracing wire seat gap adjusting mechanism in a kind of parking integrated form brake caliper assy | |
| CN211679434U (en) | Bending device of U-shaped capillary tube | |
| CN211116810U (en) | Ceramic composite fan volute | |
| CN220042011U (en) | Water cooling device and power exchange station system of power battery pack | |
| CN219367758U (en) | Heating device for heating ventilation engineering | |
| CN112090880A (en) | Pipeline cleaning device of central air conditioner | |
| CN213622035U (en) | Automatic board turning mechanism in board transmission process | |
| CN220567950U (en) | Energy-saving steam heater heat energy recovery device | |
| CN111992628B (en) | Car pipeline spare indent device | |
| CN213165081U (en) | Press fitting clamp for assembling gear shifting head assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210114 Address after: 065000 No.254, Nanchen village, Wenquan Park, Gu'an County, Langfang City, Hebei Province Applicant after: Gu'an Shuocheng Gas Co.,Ltd. Address before: 315100 room 718, 2 Lishi financial building, Shounan street, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Ningbo Wanyou Intelligent Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |