CN108722801A - A kind of inner-wall paint device for large-size pipe - Google Patents
A kind of inner-wall paint device for large-size pipe Download PDFInfo
- Publication number
- CN108722801A CN108722801A CN201810879625.8A CN201810879625A CN108722801A CN 108722801 A CN108722801 A CN 108722801A CN 201810879625 A CN201810879625 A CN 201810879625A CN 108722801 A CN108722801 A CN 108722801A
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- Prior art keywords
- wall
- pipe fitting
- sleeve
- telescopic
- pressure
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
Landscapes
- Spray Control Apparatus (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a kind of inner-wall paint devices for large-size pipe, are related to paint spraying apparatus technical field, including：Coating portion, movement portion, control device and rotary electric machine；Coating portion includes：First sleeve, conveying pipeline, storage department, connecting bracket and two application devices；Storage department is arranged on the outer wall of the first sleeve, and conveying pipeline is set as two, and one end of conveying pipeline is connected to application device, and the other end is connected to storage department, and coating is delivered in application device by storage department by conveying pipeline；Two application devices are arranged symmetrically on the outer wall of the first sleeve, and coating is carried out for the inner wall to pipe fitting；Connecting bracket is fixedly connected with the motor head of rotary electric machine, and rotary electric machine is for driving coating portion to rotate so that during to pipe fitting coating, application device can efficiently brush the inner wall of pipe fitting under the drive of rotary electric machine.
Description
Technical field
The present invention relates to apply equipment technical field of painting, especially a kind of inner-wall paint device for large-size pipe.
Background technology
Currently, the inner-wall paint for large-size pipe is more difficult, since the diameter of large-size pipe is big, length is long so that
The application device of corresponding large-size pipe builds that cost is excessively high, and the quality of large-size pipe is big, is not easy to carry out during coating
It moves and rotates；And the inefficiency of artificial brushing paint, brushing are uneven, and because pipe fitting diameter is big, pipe fitting need to be fixed
Artificial brushing paint is carried out, in the process, worker brushes in inside pipe fitting, and actionable space is smaller, influences brushing quality
And painting efficiency, additionally pipe fitting can be caused to damage by pressure because worker conducts oneself with dignity.
Invention content
One, technical problems to be solved
The present invention solves in the prior art for the drawbacks described above present in the prior art to large-size pipe inner wall brushing
Coating effect is poor, the low problem of efficiency.
Two, technical solution
In order to solve the above technical problems, the present invention provides a kind of inner-wall paint device for large-size pipe, for large size
The inner-wall paint device of pipe fitting includes：Coating portion, movement portion, control device and rotary electric machine；
Coating portion includes：First sleeve, conveying pipeline, storage department, connecting bracket and two application devices；
Storage department is arranged on the outer wall of the first sleeve, and conveying pipeline is set as two, one end of conveying pipeline and application device
Connection, the other end are connected to storage department, and coating is delivered in application device by storage department by conveying pipeline；
Two application devices are arranged symmetrically on the outer wall of the first sleeve, and coating is carried out for the inner wall to pipe fitting；
Connecting bracket is fixedly connected with the motor head of rotary electric machine, and rotary electric machine is for driving coating portion to rotate；
Movement portion includes：Second sleeve, the first telescopic device and four telecontrol equipments；
Rotary electric machine insertion is arranged in second sleeve；
First telescopic device is arranged in second sleeve, and the setting of second sleeve annular is inserted there are four hole, telecontrol equipment is inserted into
Enter to insert in the hole, and coordinate with the first telescopic device so that the first telescopic device can drive motion device it is flexible；Telecontrol equipment is used
In being adjacent to the inner wall of pipe fitting, and drive movement portion in pipe fitting axially movable；
The outer wall in movement portion is arranged in control device.
Wherein, application device includes：Fixed seat, paint roller, the first telescopic device, supporting rack and first pressure sensor；
The outer wall in sleeve is arranged in fixed seat, and one end of telescopic device is connect with fixed seat, and the other end is connect with supporting rack；
Paint roller is provided on supporting rack, conveying pipeline is connected to paint roller；First pressure sensor is additionally provided on supporting rack.
Wherein, first pressure sensor is for detecting the pressure value that supporting rack is born；When the stretching of the first telescopic device, and make
When the inner wall of paint roller and pipe fitting is adjacent to, first pressure sensor detects that the pressure that supporting rack is born reaches threshold value, and will pressure
Force signal passes to control device, and control device controls the first telescopic device according to the pressure signal received to be stopped stretching out.
Wherein, telecontrol equipment includes：Locating wheel, fixed link, telescopic rod, second pressure sensor, driving device and driving
Wheel；
One end of telescopic rod, which is inserted into, is located at inserting in the hole in second sleeve, and coordinates with the second telescopic device, the other end
It is fixedly connected with fixed link；Second pressure sensor is additionally provided on telescopic rod；One end of fixed link is provided with fast pulley, fixed
Wheel with pipe fitting inner wall for being close to position；The other end of fixed link is provided with driving wheel, and driving device is arranged in fixed link, uses
In driving driving wheel rotation；Driving wheel with pipe fitting inner wall for being close to and driving movement portion along the axial movement of pipe fitting.
Wherein, second pressure sensor is for detecting the pressure value that telescopic rod is born；When the stretching of second pressure sensor, and
When the inner wall of locating wheel and driving wheel and pipe fitting being made to be adjacent to, second pressure sensor detects that the pressure that institute's telescopic rod is born reaches
Threshold value, and by pressure signal transmission to control device, control device controls the second telescopic device according to the pressure signal received
It is stopped, telescopic rod stops stretching out.
Wherein, stepper motor and driving gear, the company of telescopic rod and the second telescopic device are provided in the second telescopic device
The place of connecing is set as rack.
Wherein, rotary electric machine is set as stepper motor.
Wherein, driving wheel selects rubber material, and the surface of driving wheel is provided with anti-skid chequer.
Three, advantageous effect
Compared with prior art, a kind of inner-wall paint device for large-size pipe provided by the invention is applied by being arranged
Expect device and rotary electric machine so that during to pipe fitting coating, application device can be to pipe fitting under the drive of rotary electric machine
Inner wall is efficiently brushed；By the way that two first pressure sensors are arranged so that application device can be adjacent to the inner wall of pipe fitting,
Avoid contact effect of the application device with pipe fitting inner wall poor, to improve painting brushing effects；By the way that telecontrol equipment is arranged so that applying
During brush, coating portion can be with movement portion along the axial movement of pipe fitting, to realize the entirety brushing to pipe fitting inner wall；By setting
Set the first telescopic device and the second telescopic device so that application device proposed by the present invention can be adapted for the different large size of diameter
Pipe fitting, to realize the brushing to the pipe fitting inner wall of different-diameter.
Description of the drawings
Fig. 1 is structural schematic diagram one of the present invention for the inner-wall paint device of large-size pipe；
Fig. 2 is structural schematic diagram two of the present invention for the inner-wall paint device of large-size pipe；
Fig. 3 is structural schematic diagram three of the present invention for the inner-wall paint device of large-size pipe；
Fig. 4 is A portion enlarged drawing of the present invention for the inner-wall paint device of large-size pipe；
In figure：1 be coating portion, 2 be movement portion, 3 in order to control device, 4 be rotary electric machine, 11 be the first sleeve, 12 be defeated
Expects pipe, 13 be fixed seat, 14 be paint roller, 15 be the first telescopic device, 16 be supporting rack, 17 be connecting bracket, 18 be storing
Portion, 19 be first pressure sensor, 21 be second sleeve, 22 be locating wheel, 23 be fixed link, 24 be telescopic rod, 25 be second
Pressure sensor, 26 be driving device, 27 be driving wheel, 28 be the second telescopic device.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example cannot be used for limiting the scope of the invention for illustrating the present invention.
Embodiment 1：
As shown in Figs 1-4, including：Coating portion 1, movement portion 2, control device 3, rotary electric machine 4, the first sleeve 11, conveying
Pipe 12, fixed seat 13, paint roller 14, the first telescopic device 15, supporting rack 16, connecting bracket 17, storage department 18, first pressure pass
Sensor 19, second sleeve 21, locating wheel 22, fixed link 23, telescopic rod 24, second pressure sensor 25, driving device 26, driving
Wheel 27 and the second telescopic device 28；
Coating portion 1 includes：First sleeve 11, conveying pipeline 12, storage department 18, connecting bracket 17 and two application devices；
Storage department 18 is arranged on the outer wall of the first sleeve 11, and conveying pipeline 12 is set as two, one end of conveying pipeline 12 with
Application device is connected to, and the other end is connected to storage department 18, and coating is delivered in application device by storage department 18 by conveying pipeline 12；
Two application devices are arranged symmetrically on the outer wall of the first sleeve 11, and coating is carried out for the inner wall to pipe fitting；Even
It connects holder 17 to be fixedly connected with the motor head of rotary electric machine 4, rotary electric machine 4 is for driving coating portion 1 to rotate so as to pipe
During part coating, application device can efficiently brush the inner wall of pipe fitting under the drive of rotary electric machine 4；Connecting bracket
17 are set as aluminium alloy.
Movement portion 2 includes：Second sleeve 21, the first telescopic device 28 and four telecontrol equipments；
The insertion of rotary electric machine 4 is arranged in second sleeve 21；
First telescopic device 28 is arranged in second sleeve 21, and there are four be inserted into hole, movement for 21 annular setting of second sleeve
Device inserts in the hole, and coordinates with the first telescopic device 28 so that the first telescopic device 28 can drive motion device it is flexible；
Telecontrol equipment is used to be adjacent to the inner wall of pipe fitting, and drive movement portion 2 in pipe fitting axially movable；The setting of control device 3 is being transported
The outer wall in dynamic portion 2.
As shown in Fig. 2, application device includes：Fixed seat 13, paint roller 14, the first telescopic device 15, supporting rack 16 and
One pressure sensor 19；The outer wall in sleeve 11 is arranged in fixed seat 13, and one end of telescopic device 15 is connect with fixed seat 13, another
End is connect with supporting rack 16；Paint roller 14 is provided on supporting rack 16, conveying pipeline 12 is connected to paint roller 14；On supporting rack 16 also
It is provided with first pressure sensor 19.First pressure sensor 19 is for detecting the pressure value that supporting rack 16 is born；It stretches when first
Compression apparatus 15 stretches out, and when the inner wall of paint roller 14 and pipe fitting being made to be adjacent to, and first pressure sensor 19 detects that supporting rack 16 is held
The pressure received reaches threshold value, and by pressure signal transmission to control device 3, control device 3 is according to the pressure signal control received
The first telescopic device 15 is made to stop stretching out；By the way that two first pressure sensors 19 are arranged so that application device can be adjacent to pipe
The inner wall of part avoids contact effect of the application device with pipe fitting inner wall poor, to improve painting brushing effects.
As shown in Fig. 2, telecontrol equipment includes：Locating wheel 22, telescopic rod 24, second pressure sensor 25, is driven at fixed link 23
Dynamic device 26 and driving wheel 27；One end of telescopic rod 24, which is inserted into, is located at inserting in the hole in second sleeve 21, and stretches with second
Device 28 coordinates, and the other end is fixedly connected with fixed link 23；Second pressure sensor 25 is additionally provided on telescopic rod 24；Fixed link
23 one end is provided with fast pulley 23, and fast pulley 23 with pipe fitting inner wall for being close to position；The other end of fixed link 23 is provided with
Driving wheel 27, driving device 26 are arranged in fixed link 23, for driving driving wheel 27 to rotate；Driving wheel 27 be used for in pipe fitting
Wall is close to and drives movement portion 2 along the axial movement of pipe fitting；By the way that telecontrol equipment is arranged so that in painting process, coating portion 1
It can be with movement portion 2 along the axial movement of pipe fitting, to realize the entirety brushing to pipe fitting inner wall.Second pressure sensor 25 is used for
The pressure value that detection telescopic rod 24 is born；When the stretching of second pressure sensor 25, and make locating wheel 22 and driving wheel 27 and pipe fitting
Inner wall when being adjacent to, second pressure sensor 25 detects that the pressure that institute's telescopic rod 24 is born reaches threshold value, and by pressure signal
Control device 3 is passed to, control device 3 controls the second telescopic device 28 according to the pressure signal received and is stopped, stretches
Bar 24 stops stretching out.
Stepper motor and driving gear, the company of telescopic rod 24 and the second telescopic device 28 are provided in second telescopic device 28
The place of connecing is set as rack；Stepper motor rotation driven gear moves, wheel and rack engagement, to which drive rack is transported along straight line
It is dynamic, to realize that telescopic rod 24 carries out stretching motion under the limit effect for being inserted into hole.
Paint roller 14 is provided with multiple bleeding holes, and coating is delivered in paint roller 14 by conveying pipeline 12, and coating is via exudation
Hole is stretched out, to brush in pipe fitting inner wall；
It is provided with pressue device in storage department 18, to be pumped coating to paint roller 14 along conveying pipeline 12；
First telescopic device 15 is made of zigzag telescope support and driving motor；By the way that 15 He of the first telescopic device is arranged
Second telescopic device 28 so that application device proposed by the present invention can be adapted for the different large-size pipe of diameter, to realize
Brushing to the pipe fitting inner wall of different-diameter
When carrying out coating using application device proposed by the present invention：
First, application device is put into round pipe fitting；
Then, control device 3 controls the second telescopic device 28 four telescopic rods 24 of driving and stretches out simultaneously, when 22 He of locating wheel
When driving wheel 27 is close to pipe fitting inner wall, the pressure that telescopic rod 24 is born reaches threshold value, and second pressure sensor 25 will detect
Pressure signal be transferred to control device 3, control device 3 controls the second telescopic device 28 according to the pressure signal received to be stopped
It stretches out, four telecontrol equipments are adjacent to pipe fitting inner wall at this time；
It stretches out next, control device 3 controls the first telescopic device 15, when paint roller 14 is contacted with pipe fitting inner wall, and holds
When continuous stretching is adjacent to, the pressure that supporting rack 16 is born reaches threshold value, and first pressure sensor 19 passes the pressure signal detected
It is defeated by control device 3, control device 3 controls the first telescopic device 15 according to the pressure signal received to be stopped stretching out, and at this time two
A application device is adjacent to pipe fitting inner wall；
Next, control device 3 controls storage department 18 is pumped into coating to two application devices, and control rotary electric machine 4
Movement drives coating portion 1 to rotate；
At the same time, 3 controlled motion portion 2 of control device is slowly moved along the axial direction of pipe fitting；
Finally, after the completion of pipe fitting brushing, 2 stop motion of movement portion, application device power-off.
In addition, can also the horizontal position of second sleeve 21 be symmetrical arranged two range sensors, and according to two away from
Distance difference from sensor and pipe fitting outer wall is calibrated, to keep pipe fitting and the concentricity of second sleeve 21 more accurate,
To improve the coating effect to pipe fitting.
Embodiment 2：
Compared to embodiment 1, embodiment 2 selects the driving wheel 27 of rubber material on the basis of embodiment 1, and is driving
Anti-skid chequer is arranged in the surface of wheel 27, so that the increasing friction force in motion process in pipe fitting of movement portion 2, prevents driving wheel 27 and pipe
It skids between part inner wall.
Embodiment 3：
Compared to embodiment 1, embodiment 3 selects driving of the stepper motor as rotary electric machine 4 on the basis of embodiment 1
Device is rotated with compound direction to make rotary electric machine 4 that the rotating clockwise of angle can be fixed, rotate counterclockwise, has been reached
Brushing effects are preferably applied to pipe fitting inner wall.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of inner-wall paint device for large-size pipe, which is characterized in that the inner-wall paint for large-size pipe fills
Set including：Coating portion (1), movement portion (2), control device (3) and rotary electric machine (4)；
The coating portion (1) includes：First sleeve (11), conveying pipeline (12), storage department (18), connecting bracket (17) and two paintings
Expect device；
The storage department (18) is arranged on the outer wall of first sleeve (11), each application device and the storage department (18)
Between be designed with the conveying pipeline (12), coating is delivered to the coating by the storage department (18) by the conveying pipeline (12)
In device；
Two application devices are arranged symmetrically on the outer wall of first sleeve (11), are applied for the inner wall to pipe fitting
Material；
The connecting bracket (17) is fixedly connected with the motor head of the rotary electric machine (4), and the rotary electric machine (4) is for driving
Dynamic coating portion (1) rotation；
The movement portion (2) includes：Second sleeve (21), the first telescopic device (28) and four telecontrol equipments；
The embedded setting of the rotary electric machine (4) is in the second sleeve (21)；
In the second sleeve (21), second sleeve (21) annular is provided with four for first telescopic device (28) setting
A insertion hole, the telecontrol equipment be inserted into described in insert in the hole, and coordinate with first telescopic device (28) so that described the
One telescopic device (28) can drive the telecontrol equipment flexible；The telecontrol equipment is used to be adjacent to the inner wall of pipe fitting, and drives institute
Movement portion (2) is stated in pipe fitting axially movable；
Outer wall of control device (3) setting in the movement portion (2).
2. being used for the inner-wall paint device of large-size pipe as described in claim 1, it is characterised in that：The application device packet
It includes：Fixed seat (13), paint roller (14), the first telescopic device (15), supporting rack (16) and first pressure sensor (19)；
Fixed seat (13) setting is in the outer wall of the sleeve (11), one end and the fixed seat of the telescopic device (15)
(13) it connects, the other end is connect with support frame as described above (16)；The paint roller (14) is provided on support frame as described above (16), it is described
Conveying pipeline (12) is connected to the paint roller (14)；Support frame as described above is additionally provided with the first pressure sensor on (16)
(19)。
3. being used for the inner-wall paint device of large-size pipe as claimed in claim 2, it is characterised in that：The first pressure sensing
Device (19) is for detecting the pressure value that support frame as described above (16) is born；When first telescopic device (15) stretching, and make described
When paint roller (14) and the inner wall of pipe fitting are adjacent to, the first pressure sensor (19) detects what support frame as described above (16) was born
Pressure reaches threshold value, and gives pressure signal transmission to the control device (3), and the control device (3) is according to the pressure received
Force signal, which controls first telescopic device (15), to be stopped stretching out.
4. being used for the inner-wall paint device of large-size pipe as described in claim 1, it is characterised in that：The telecontrol equipment packet
It includes：Locating wheel (22), fixed link (23), telescopic rod (24), second pressure sensor (25), driving device (26) and driving wheel
(27)；
One end of the telescopic rod (24) is inserted into be located in the second sleeve (21) described and inserts in the hole, and with described second
Telescopic device (28) coordinates, and the other end is fixedly connected with the fixed link (23)；It is additionally provided on the telescopic rod (24) described
Second pressure sensor (25)；One end of the fixed link (23) is provided with fast pulley (23), the fast pulley (23) be used for
Pipe fitting inner wall is close to position；The other end of the fixed link (23) is provided with the driving wheel (27), the driving device (26)
It is arranged in the fixed link (23), for driving the driving wheel (27) to rotate；The driving wheel (27) be used for in pipe fitting
Wall is close to and drives the movement portion (2) along the axial movement of pipe fitting.
5. being used for the inner-wall paint device of large-size pipe as claimed in claim 4, it is characterised in that：The second pressure sensing
Device (25) is for detecting the pressure value that the telescopic rod (24) is born；When the second pressure sensor (25) stretching, and make institute
It states locating wheel (22) and the driving wheel (27) and when the inner wall of pipe fitting is adjacent to, the second pressure sensor (25) detects institute
The pressure that the telescopic rod (24) is born reaches threshold value, and gives pressure signal transmission to the control device (3), the control dress
It sets (3) to be stopped according to pressure signal control second telescopic device (28) received, the telescopic rod (24) stops
It stretches out.
6. being used for the inner-wall paint device of large-size pipe as claimed in claim 4, it is characterised in that：Second telescopic device
(28) stepper motor and driving gear are provided in, the junction of the telescopic rod (24) and second telescopic device (28) is set
It is set to rack.
7. being used for the inner-wall paint device of large-size pipe as described in claim 1, it is characterised in that：The rotary electric machine (4)
It is set as stepper motor.
8. being used for the inner-wall paint device of large-size pipe as claimed in claim 4, it is characterised in that：Driving wheel (27) choosing
The surface of rubber material, the driving wheel (27) is provided with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879625.8A CN108722801A (en) | 2018-08-03 | 2018-08-03 | A kind of inner-wall paint device for large-size pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879625.8A CN108722801A (en) | 2018-08-03 | 2018-08-03 | A kind of inner-wall paint device for large-size pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108722801A true CN108722801A (en) | 2018-11-02 |
Family
ID=63942313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810879625.8A Withdrawn CN108722801A (en) | 2018-08-03 | 2018-08-03 | A kind of inner-wall paint device for large-size pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108722801A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772637A (en) * | 2019-01-21 | 2019-05-21 | 中国科学院武汉岩土力学研究所 | Automatic glue spreading device and coating system |
| CN110886372A (en) * | 2019-11-16 | 2020-03-17 | 北京密云水泥制品有限责任公司 | Automatic cement mortar smearing machine |
| CN111921795A (en) * | 2020-07-15 | 2020-11-13 | 林菊香 | Anticorrosive coating device of inside pipe wall suitable for bellows |
| CN113231262A (en) * | 2021-05-31 | 2021-08-10 | 西安热工研究院有限公司 | Automatic roller coating method and device for paint on inner and outer surfaces of wind power generation tower cylinder and steel pipe pile |
| CN113713631A (en) * | 2021-09-22 | 2021-11-30 | 徐州洁诚环保科技有限公司 | Processing device for graphene ultrafiltration membrane |
| CN115254544A (en) * | 2022-07-21 | 2022-11-01 | 江苏氟豪防腐科技有限公司 | Environment-friendly steel lining tetrafluoro pressure pipeline lining bonding device |
-
2018
- 2018-08-03 CN CN201810879625.8A patent/CN108722801A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772637A (en) * | 2019-01-21 | 2019-05-21 | 中国科学院武汉岩土力学研究所 | Automatic glue spreading device and coating system |
| CN110886372A (en) * | 2019-11-16 | 2020-03-17 | 北京密云水泥制品有限责任公司 | Automatic cement mortar smearing machine |
| CN111921795A (en) * | 2020-07-15 | 2020-11-13 | 林菊香 | Anticorrosive coating device of inside pipe wall suitable for bellows |
| CN113231262A (en) * | 2021-05-31 | 2021-08-10 | 西安热工研究院有限公司 | Automatic roller coating method and device for paint on inner and outer surfaces of wind power generation tower cylinder and steel pipe pile |
| CN113713631A (en) * | 2021-09-22 | 2021-11-30 | 徐州洁诚环保科技有限公司 | Processing device for graphene ultrafiltration membrane |
| CN115254544A (en) * | 2022-07-21 | 2022-11-01 | 江苏氟豪防腐科技有限公司 | Environment-friendly steel lining tetrafluoro pressure pipeline lining bonding device |
| CN115254544B (en) * | 2022-07-21 | 2023-07-21 | 江苏氟豪防腐科技有限公司 | Environment-friendly steel lining tetrafluoro pressure pipeline lining bonding device |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200302 Address after: 315202 No. 73, three District, LAN Tang Village, Baima Town, Pujiang, Jinhua, Zhejiang. Applicant after: Jia Jianzheng Address before: 315040 Ningbo high tech Zone, Zhejiang, and Mei Cheng Plaza, 17. Applicant before: NINGBO HIGH-TECH ZONE HUIYUN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181102 |
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