CN202913027U - Two-speed furnace roller and continuous rolling rod heat-treatment furnace - Google Patents
Two-speed furnace roller and continuous rolling rod heat-treatment furnace Download PDFInfo
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- CN202913027U CN202913027U CN 201220586758 CN201220586758U CN202913027U CN 202913027 U CN202913027 U CN 202913027U CN 201220586758 CN201220586758 CN 201220586758 CN 201220586758 U CN201220586758 U CN 201220586758U CN 202913027 U CN202913027 U CN 202913027U
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Abstract
The utility model relates to a two-speed furnace roller and a continuous rolling rod heat-treatment furnace. The continuous rolling rod heat-treatment furnace comprises a feeding table, a furnace body and a discharging table, wherein a quick feeding zone and a quick discharging zone which are formed by two-speed furnace rollers are arranged at the feeding end and the discharging end of the furnace body; each two-speed furnace roller comprises a roller body, bearing supports, an overrunning clutch, a first transmission chain wheel and a second transmission chain wheel, wherein the housing of the overrunning clutch is fixedly connected with the rotating shaft of the roller body; the first or second transmission chain wheels of the two-speed furnace rollers arranged in the quick feeding zone are connected with the output shaft of a feeding motor through connecting parts, and the second or first transmission chain wheels of the two-speed furnace rollers arranged in the quick feeding zone are connected with a driving motor through connecting parts; the first or second transmission chain wheels of the two-speed furnace rollers arranged in the quick discharging zone are connected with the output shaft of a discharging motor through connecting parts, and the second or first transmission chain wheels of the two-speed furnace rollers arranged in the quick discharging zone are connected with chain wheels on the rotating shafts of other rolling rods in the furnace body through connecting parts; and the rotational speeds of the feeding motor and the discharging motor are higher than that of the driving motor. Through the adoption of the two-speed furnace roller and the continuous rolling rod heat-treatment furnace, the quick feeding and discharging of a work piece is realized, a favorable thermal insulation effect is achieved, the energy consumption is reduced.
Description
Technical field
The utility model belongs to the equipment for Heating Processing technical field, relates in particular to the furnace roller that uses in a kind of continous way atmosphere protection roller rod heat treatment furnace and the heat treatment furnace.
Background technology
Roller rod heat treatment furnace also claims roller hearth heat-treated furnace, is metallurgical works a kind of heat treatment furnace commonly used, and the application in machinery and metallurgical heat treatment industry is quite general.Roller rod heat treatment furnace is divided into preheating section, heating zone, holding-zone, cooling section etc. along its length usually, can control respectively different sections.Roller rod heat treatment furnace adopts the furnace rolls road to transport workpiece, and array roller rod is installed in stove, and furnace roller is driven through speed reduction unit by motor, and workpiece moves at furnace roller, and charging and the discharging task of roller rod heat treatment furnace are all born by furnace roller.All can arrange the burner heating or use the radiant heater direct heating at the above and below burner hearth of furnace roller, in top and the bottom of stove the protective atmosphere air-circulating fan is housed, be used for making furnace temperature even.The furnace roller that uses on the roller rod heat treatment furnace has plain-barreled roll and ring roller (with the dish type collars) two kinds, and the former can be used for hot-plate, type, pipe, bar, and the latter is used for heating sheet material.The material of the outer roller shell of furnace roller is generally high temperature steel or silicon carbide.
Roller rod heat treatment furnace is owing to can make the material two sides be heated, and heating is fast and even, therefore is widely used in the thermal treatment process such as normalizing, annealing, quenching, tempering.Existing roller rod heat treatment furnace is in order to reduce oxidization burning loss; except body of heater is taked all-sealed structure; can in body of heater, inject such as protection of inert gas such as nitrogen; on the one hand can air-isolation; the realization non-oxidation is processed, and can keep on the other hand temperature in the stove, avoids drop in temperature too fast; keep the stable of furnace atmosphere, reach energy-conservation purpose.Furnace roller adopts the unified control of variable-frequency motor rotating speed in the prior art central roll rod heat treatment furnace, the translational speed of workpiece is certain, workpiece is being sent into body of heater or transported outward need to open fire door the time from body of heater, the translational speed of workpiece is constant, opening for a long time fire door can cause gas to outward leakage, also can exert an influence to temperature in the stove simultaneously, increase to a certain extent energy consumption and production cost.
Summary of the invention
The purpose of this utility model provides a kind of double speed furnace roller with two-speed adjusting mechanism.
Another purpose of the present utility model provides a kind of double speed adjusting Continuous Roller rod furnace roller, that can reduce energy consumption heat treatment furnace that has.
To achieve these goals, the utility model is taked following technical solution:
The double speed furnace roller, comprise the bearing support of roll body and supporting roll body, be provided with overrunning clutch at roll body one end, in the overrunning clutch rotating shaft the first driving chain wheel is set, at the overrunning clutch shell the second driving chain wheel is set, overrunning clutch shell and roll body rotating shaft are affixed.
Continuous Roller rod heat treatment furnace comprises the feeding platform, body of heater and the discharging platform that set gradually, has all arranged furnace roller in feeding platform, body of heater and the discharging platform; Feeding end at body of heater is provided with the quick feeding district that is made of the double speed furnace roller, is provided with the quickly discharging district that is made of the double speed furnace roller at the discharge end of body of heater; The double speed furnace roller comprise roll body, supporting roll body bearing support, be arranged at roll body one end overrunning clutch, be arranged at the first driving chain wheel in the overrunning clutch rotating shaft, be arranged at the second driving chain wheel on the overrunning clutch shell, overrunning clutch shell and roll body rotating shaft are affixed; Be arranged at first driving chain wheel of double speed furnace roller in quick feeding district or the second driving chain wheel by web member link to each other with the output shaft of charging motor, the second driving chain wheel or the first driving chain wheel link to each other with drive-motor by web member; Be arranged at first driving chain wheel of double speed furnace roller in quickly discharging district or the second driving chain wheel by web member link to each other with the output shaft of discharging motor, the second driving chain wheel or the first driving chain wheel link to each other by the sprocket wheel in all the other rollers rod rotating shafts in web member and the body of heater; The rotating speed of charging motor and discharging motor is higher than the rotating speed of drive-motor.
Preferably, the bearing support of described roll body is the water cooled bearing seat, and it comprises the cast aluminium coolship that is arranged at described roll body two ends, is positioned at described bearing support inboard.
Preferably, be provided with the charging transition chamber between described body of heater and loading bay, feed end and the discharge end of described charging transition chamber are provided with bin gate.
Preferably, be provided with the discharging transition chamber between described body of heater and discharge pedestal, feed end and the discharge end of described discharging transition chamber are provided with bin gate.
Preferably, be provided with quick cool furnace before the described discharge pedestal.
Preferably, described charging transition chamber discharge end is provided with the double speed furnace roller with the interlock of the double speed furnace roller in described quick feeding district.
Preferably, be provided with the chilling intake zone that is consisted of by the double speed furnace roller at the feeding end of described quick cool furnace, be provided with the chilling discharge zone that is consisted of by the double speed furnace roller at the discharge end of described quick cool furnace; The second driving chain wheel of described chilling intake zone double speed furnace roller or the first driving chain wheel by web member link to each other with the second charging machine shaft, the first driving chain wheel or the second driving chain wheel link to each other by the rotating shaft of web member with quick cool furnace drive-motor; The first driving chain wheel of the double speed furnace roller of described chilling discharge zone or the second driving chain wheel by web member link to each other with quick cool furnace drive-motor, the second driving chain wheel or the first driving chain wheel link to each other with the discharging motor of discharging platform by web member; The rotating speed of described the second charging motor and discharging motor is higher than the rotating speed of described quick cool furnace drive-motor.
Preferably, be provided with double speed furnace roller with the interlock of the double speed furnace roller of described chilling intake zone at described discharging transition chamber discharge end.
Preferably, be provided with the cooling trough that extends along body of heater length below the coolship of described furnace roller, the bottom of the coolship of described furnace roller and double speed furnace roller is positioned in the described cooling trough.
As shown from the above technical solution; the utility model is in quick feeding district and quickly discharging district that feeding end and the discharge end setting of body of heater is made of the double speed furnace roller; on the double speed furnace roller overrunning clutch is set; when charging; all the other furnace roller speed are constant; the double speed furnace roller is subjected to rotating speed faster than the charging electric motor driving of body of heater drive-motor rotating speed; rapidly workpiece is sent in the body of heater individual; the double speed furnace roller is subjected to rotating speed individual faster than the discharging electric motor driving of body of heater drive-motor rotating speed when discharging; rapidly workpiece is sent, reduced the bin gate opening time, can reduce the leakage of protective atmosphere in the body of heater; be conducive to simultaneously keep temperature in the stove, reduce power consumption.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation in quick feeding district on the utility model heating zone.
Fig. 4 is the structural representation in quickly discharging district on the utility model slow cooling section.
Fig. 5 is the structural representation of the utility model double speed furnace roller.
Fig. 6 is the structural representation of the quick cool furnace of the utility model and discharging platform.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in more detail.
Embodiment
As shown in Figures 1 and 2, double speed furnace roller heat treatment furnace of the present utility model comprises feeding platform 1, charging transition chamber 2, body of heater 3, discharging transition chamber 4, quick cool furnace 5 and the discharging platform 6 that sets gradually.Wherein, body of heater 3 is divided into heating zone 31 and slow cooling section 32, and the utility model is provided with quick cool furnace 5 between discharging transition chamber 4 and discharging platform 6.
Body of heater 3 partly is comprised of shell, lagging material, burner hearth refractory materials, heating unit etc., at feeding platform 1, charging transition chamber 2, body of heater 3, discharging transition chamber 4, quick cool furnace 5 and the discharging platform 6 interior furnace rollers 7 of all having arranged, be placed with charging tray 8 at furnace roller 7, workpiece is positioned in the charging tray 8, enter from feeding platform 1, just driven through charging transition chamber 2, heating zone 31, slow cooling section 32, discharging transition chamber 4 and quick cool furnace 5 by furnace roller 7.Body of heater 3 is connected with the inertia source of the gas by gas pipeline, uses nitrogen as protective atmosphere in the present embodiment, is provided with the protective atmosphere transfer valve at gas pipeline, can be according to the technique traffic requirement to body of heater 3 interior nitrogen injections.Heat treatment furnace of the present utility model also comprises electric control system, circulating water system, compressed air distribution system, rare gas element gas distributing system, gas burning system etc., furnace binding of the present utility model and above-mentioned Controlling System are same as the prior art, do not repeat them here.
The utility model is provided with independently charging transition chamber 2 between loading bay 1 and body of heater 3, simultaneously with reference to Fig. 3, be provided with bin gate 11 at feed end and the discharge end of charging transition chamber 2, and bin gate 11 is opened/closed by hydraulic ram 12 controls.The purpose that charging transition chamber 2 is set is to isolate independently enclosed space at body of heater 3 feed ends, and when the needs charging, charging transition chamber 2 is closed near the bin gate 11 of body of heater 3 one sides.Charging transition chamber 2 is opened near the bin gate 11 of loading bay 1 one sides, workpiece is admitted to charging transition chamber 2, then charging transition chamber 2 is closed near the bin gate 11 of loading bay 1 one sides, open simultaneously the bin gate 11 near body of heater 3 one sides, workpiece is sent in the body of heater 3, can prevent thus argon gas to outward leakage, keep simultaneously temperature in the stove.
The present embodiment is provided with the quick feeding district A that is made of 8 double speed furnace rollers 7 ' at the feeding end of heating zone 31, be provided with the double speed furnace roller 7 ' that 1 double speed furnace roller 7 ' with quick feeding district A links at charging transition chamber 2 discharge ends.As shown in Figure 5, double speed furnace roller 7 ' comprises roll body 71, bearing support 72, overrunning clutch 73, variable shaft bearing 74, the first driving chain wheel 75, the second driving chain wheel 76 and cast aluminium coolship 77.Double speed furnace roller 7 ' is installed in the body of heater by bearing support 72, and coolship 77 is arranged on the roll body 71, be positioned at bearing support 72 inboards.In the end of roll body 71 overrunning clutch 73 is installed, the shell of overrunning clutch 73 and roll body 71 rotating shafts fix.The first driving chain wheel 75 is arranged in the rotating shaft of overrunning clutch 73, and the second driving chain wheel 76 is arranged on overrunning clutch 73 shells.First driving chain wheel 75 of the present embodiment links to each other by the output shaft of shaft coupling with the charging motor 9 of heating zone 31, and the second driving chain wheel 76 links to each other with the drive-motor 10 of body of heater 3 by chain.Be arranged on the double speed furnace roller 7 ' of charging transition chamber 2 discharge ends, its first driving chain wheel by chain with link to each other with the second driving chain wheel of the double speed furnace roller 7 ' of quick feeding district A, its second driving chain wheel links to each other by the sprocket wheel in 2 all the other rollers rod rotating shafts of chain charging transition chamber.
Fast be provided with equally independently discharging transition chamber 4 between cool furnace 5 and the body of heater 3, be provided with bin gate 11 at feed end and the discharge end of charging transition chamber 4, bin gate 11 is opened/is closed by hydraulic ram 12 controls.32 discharge end is provided with the quickly discharging district B that is made of 7 double speed furnace rollers 7 ' in the slow cooling section, the first driving chain wheel of this double speed furnace roller 7 ' links to each other with discharging motor 13 output shafts by shaft coupling, and its second driving chain wheel links to each other (namely linking to each other with drive-motor 10) by the sprocket wheel in 32 all the other rollers rod rotating shafts of chain and slow cooling section.The purpose that discharging transition chamber 4 is set is the same with the purpose that charging transition chamber 2 is set, when the needs discharging, discharging transition chamber 4 is closed near the bin gate 11 of quick cool furnace 5 one sides, bin gate 11 near body of heater 3 one sides is opened, and workpiece is admitted in the discharging transition chamber 4, and then will close near the bin gate 11 of body of heater 3 one sides, open simultaneously the bin gate 11 near quick cool furnace 5 one sides, workpiece is sent in the quick cool furnace 5, prevented argon gas to outward leakage with this, keep simultaneously temperature in the stove.
When workpiece is heat-treated by the utility model, roller rod 7 in the body of heater 3 rotates with same speed under the driving of the drive-motor 10 of body of heater 3, when having workpiece to add body of heater 3 from loading bay 1, workpiece is admitted to first in the charging transition chamber 2, the charging motor 9 of quick feeding district A is started working, the rotating speed of charging motor 9 is faster than the rotating speed of drive-motor 10, owing to there being velocity contrast, the double speed furnace roller 7 ' of quick feeding district A rotating speed with charging motor 9 under the effect of overrunning clutch 73 rotates, so that workpiece can enter the body of heater 3 from charging transition chamber 2 fast, shorten the time that bin gate 11 is opened; After workpiece entered body of heater 3, charging motor 9 quit work, and double speed furnace roller 7 ' rotating speed with drive-motor 10 under overrunning clutch 73 effects recovers normal rotation.In like manner, when having workpiece to send from body of heater 3, the discharging motor 13 of quickly discharging district B is started working, the rotating speed of discharging motor 13 is equally faster than the rotating speed of drive-motor 10, the double speed furnace roller 7 ' of quickly discharging district B rotating speed with discharging motor 10 under the effect of overrunning clutch 73 rotates, so that workpiece can be sent from body of heater 3 fast, shorten the time that bin gate 11 is opened.The quick feeding district A and the quickly discharging district B that are consisted of by double speed furnace roller 7 ' in the feed end of body of heater 3 and discharge end setting, can realize that the workpiece F.F. goes out soon, thereby reduce argon gas when labor and materials pass in and out to outward leakage, be conducive to simultaneously keep temperature in the stove, has good heat insulation effect, that reduces to greatest extent the burner hearth heat scatters and disappears saves energy consumption.
As a preferred embodiment of the present utility model, in body of heater 3, be provided with the cooling trough 14 that extends along body of heater 3 length, the bottom of coolship 77 that is arranged at the roll body both sides of furnace roller 7 and double speed furnace roller 7 ' is arranged in this cooling trough 14, pass into the recirculated cooling water for cooling in the cooling trough 14 always, namely adopt the mode of water-cooled to dispel the heat.Adopt the mode of wind-cooling heat dissipating with respect to prior art, the better effects if of heat insulation and dissipation.
As shown in Figure 6, as the another preferred technical scheme of the utility model, feeding end in quick cool furnace 5 is provided with the chilling intake zone C that is made of double speed furnace roller 7 ', the first driving chain wheel of the double speed furnace roller 7 ' of chilling intake zone C links to each other by the rotating shaft of shaft coupling with the second charging motor 15, and the second driving chain wheel links to each other with the second drive-motor 16 of quick cool furnace by chain.Be provided with 1 double speed furnace roller 7 ' with the double speed furnace roller 7 ' interlock of chilling intake zone C at discharging transition chamber 4 discharge ends.Discharge end in quick cool furnace 5 is provided with the chilling discharge zone D that is made of 6 double speed furnace rollers 7 ', the second driving chain wheel of the double speed furnace roller 7 ' of chilling discharge zone D links to each other with the second drive-motor 16 of quick cool furnace by chain, and the first driving chain wheel links to each other with the discharging motor 17 of discharging platform 6 by chain.The double speed furnace roller of variable-ratio is set in quick cool furnace 5, realizes that equally the F.F. of workpiece goes out soon, be conducive to keep temperature in the stove, have good heat insulation effect, saves energy consumption.
Certainly, technical conceive of the present utility model is not limited in above-described embodiment, can also obtain many different concrete schemes according to design of the present utility model, and for example, the quantity that the double speed furnace roller arranges can change to some extent according to different demands; All should be included within the scope described in the utility model such as these changes and equivalent transformation.
Claims (10)
1. double speed furnace roller, comprise roll body and support the bearing support of described roll body, it is characterized in that: be provided with overrunning clutch at described roll body one end, in described overrunning clutch rotating shaft the first driving chain wheel is set, at described overrunning clutch shell the second driving chain wheel is set, described overrunning clutch shell and described roll body rotating shaft are affixed.
2. double speed furnace roller according to claim 1, it is characterized in that: the bearing support of described roll body is the water cooled bearing seat, it comprises the cast aluminium coolship that is arranged at described roll body two ends, is positioned at described bearing support inboard.
3. Continuous Roller rod heat treatment furnace comprises the feeding platform, body of heater and the discharging platform that set gradually, has all arranged furnace roller in described feeding platform, body of heater and the discharging platform;
It is characterized in that:
Feeding end at described body of heater is provided with the quick feeding district that is made of the double speed furnace roller, is provided with the quickly discharging district that is made of the double speed furnace roller at the discharge end of described body of heater;
Described double speed furnace roller comprise roll body, the described roll body of supporting bearing support, be arranged at described roll body one end overrunning clutch, be arranged at the first driving chain wheel in the described overrunning clutch rotating shaft, be arranged at the second driving chain wheel on the described overrunning clutch shell, described overrunning clutch shell and described roll body rotating shaft are affixed;
Be arranged at first driving chain wheel of double speed furnace roller in described quick feeding district or the second driving chain wheel by web member link to each other with the output shaft of charging motor, the second driving chain wheel or the first driving chain wheel link to each other with drive-motor by web member;
Be arranged at first driving chain wheel of double speed furnace roller in described quickly discharging district or the second driving chain wheel by web member link to each other with the output shaft of discharging motor, the second driving chain wheel or the first driving chain wheel link to each other by the sprocket wheel in all the other rollers rod rotating shafts in web member and the body of heater;
The rotating speed of described charging motor and described discharging motor is higher than the rotating speed of described drive-motor.
4. Continuous Roller according to claim 3 rod heat treatment furnace, it is characterized in that: be provided with the charging transition chamber between described body of heater and loading bay, feed end and the discharge end of described charging transition chamber are provided with bin gate.
5. Continuous Roller according to claim 3 rod heat treatment furnace, it is characterized in that: be provided with the discharging transition chamber between described body of heater and discharge pedestal, feed end and the discharge end of described discharging transition chamber are provided with bin gate.
6. it is characterized in that: be provided with quick cool furnace before the described discharge pedestal according to claim 3 or 5 described Continuous Roller rod heat treatment furnaces.
7. Continuous Roller according to claim 4 rod heat treatment furnace is characterized in that: described charging transition chamber discharge end is provided with the double speed furnace roller with the double speed furnace roller interlock in described quick feeding district.
8. Continuous Roller according to claim 6 rod heat treatment furnace, it is characterized in that: the feeding end in described quick cool furnace is provided with the chilling intake zone that is made of the double speed furnace roller, is provided with the chilling discharge zone that is made of the double speed furnace roller at the discharge end of described quick cool furnace;
The second driving chain wheel of described chilling intake zone double speed furnace roller or the first driving chain wheel by web member link to each other with the second charging machine shaft, the first driving chain wheel or the second driving chain wheel link to each other by the rotating shaft of web member with quick cool furnace drive-motor;
The first driving chain wheel of the double speed furnace roller of described chilling discharge zone or the second driving chain wheel by web member link to each other with quick cool furnace drive-motor, the second driving chain wheel or the first driving chain wheel link to each other with the discharging motor of discharging platform by web member;
The rotating speed of described the second charging motor and discharging motor is higher than the rotating speed of described quick cool furnace drive-motor.
9. Continuous Roller according to claim 8 rod heat treatment furnace is characterized in that: be provided with double speed furnace roller with the double speed furnace roller interlock of described chilling intake zone at described discharging transition chamber discharge end.
10. Continuous Roller according to claim 3 rod heat treatment furnace, it is characterized in that: the bearing support of described roll body is the water cooled bearing seat, it comprises the cast aluminium coolship that is arranged at described roll body two ends, is positioned at described bearing support inboard;
Be provided with the cooling trough that extends along body of heater length below the coolship of described furnace roller, the bottom of the coolship of described furnace roller and double speed furnace roller is positioned in the described cooling trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586758 CN202913027U (en) | 2012-11-08 | 2012-11-08 | Two-speed furnace roller and continuous rolling rod heat-treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586758 CN202913027U (en) | 2012-11-08 | 2012-11-08 | Two-speed furnace roller and continuous rolling rod heat-treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202913027U true CN202913027U (en) | 2013-05-01 |
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ID=48161355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586758 Expired - Fee Related CN202913027U (en) | 2012-11-08 | 2012-11-08 | Two-speed furnace roller and continuous rolling rod heat-treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202913027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332720A (en) * | 2020-03-30 | 2020-06-26 | 爱协林热处理系统(北京)有限公司 | Material tray storage method and equipment for continuous heat treatment production line |
| CN116004965A (en) * | 2022-12-30 | 2023-04-25 | 亚太轻合金(南通)科技有限公司 | Heat treatment furnace |
-
2012
- 2012-11-08 CN CN 201220586758 patent/CN202913027U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332720A (en) * | 2020-03-30 | 2020-06-26 | 爱协林热处理系统(北京)有限公司 | Material tray storage method and equipment for continuous heat treatment production line |
| CN116004965A (en) * | 2022-12-30 | 2023-04-25 | 亚太轻合金(南通)科技有限公司 | Heat treatment furnace |
| CN116004965B (en) * | 2022-12-30 | 2024-05-28 | 亚太轻合金(南通)科技有限公司 | Heat treatment furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAOJI JINWANGDA JIXIE COMPANY Free format text: FORMER OWNER: XI'AN YUEDA ENVIRONMENTAL TECHNOLOGY CO., LTD. Effective date: 20150604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI'AN, SHAANXI PROVINCE TO: 721300 BAOJI, SHAANXI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150604 Address after: 721300 Shaanxi province Chencang District of Baoji City, Guo Town Train Station East Peace Street Patentee after: Baoji Jinwangda Machinery Equipment Co., Ltd. Address before: 710075 innovation building, No. 25, Gaoxin Road, Xi'an hi tech Zone, Shaanxi Patentee before: Xi'an Yueda Environmental Protection Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20171108 |