CN104759425B - A kind of automatic flushing device of pressure roller - Google Patents
A kind of automatic flushing device of pressure roller Download PDFInfo
- Publication number
- CN104759425B CN104759425B CN201510115519.9A CN201510115519A CN104759425B CN 104759425 B CN104759425 B CN 104759425B CN 201510115519 A CN201510115519 A CN 201510115519A CN 104759425 B CN104759425 B CN 104759425B
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- CN
- China
- Prior art keywords
- pressure roller
- cleaning
- cavity
- flushing device
- cleaning fluid
- 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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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 104
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006748 scratching Methods 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of automatic flushing device of pressure roller, wherein, the roll surface of pressure roller is provided with multiple roller aperture, and the automatic flushing device includes：Rotary electric machine, for driving pressure roller to rotate；Cleaning dolly, is provided with pulsating pump and nozzle, wherein, one end connection nozzle of pulsating pump, the other end is used to draw cleaning fluid, and cleaning fluid is transported at nozzle, cleaning fluid is sprayed to pressure roller with from nozzle, to rinse out the foreign matter remained in roller aperture；Mobile motor, dolly is cleaned for the axial movement along pressure roller.Through the above way, the present invention can automatically clean pressure roller, reach time-consuming and cost-effective purpose.
Description
Technical field
The present invention relates to automatic flushing device technical field, more particularly to a kind of automatic flushing device of pressure roller.
Background technology
Suction press roll is that one of multiple roll class is indulged on Large Paper Machine, and its roll surface is up to 10000mm, a diameter of 1640mm.Rod
There are about 3,250,000 a diameter of 2mm on face, depth is the roller aperture of 45mm.When pressure roller are guaranteed to keep in good repair, in these roller aperture it is most of all
The foreign matters such as paper pulp can be remained, is such as cleared up not in time, after it is dry, it will block roller aperture, be difficult to clean up.Accordingly, it would be desirable to residual
Before the paper pulp stayed in roller aperture does not dry up, disposed.Method for cleaning of the prior art is usually manual cleaning, tool
Body is：Staff's thin wire, removes through hole one by one.This kind of method wastes time and energy, and needs two months or so, has a strong impact on pressure roller
Service efficiency.
The content of the invention
The present invention solves the technical problem of a kind of automatic flushing device of pressure roller is provided, can be automatically to whole
Rod face is cleaned, retained foreign body in roller aperture is gone out in time, it is to avoid all kinds of problems that pressure roller come by roller aperture blocking strips, reaches
The effect of time-consuming and cost.
In order to solve the above technical problems, one aspect of the present invention is：A kind of the automatic clear of pressure roller is provided
Cleaning device, wherein, the roll surface of pressure roller is provided with multiple roller aperture, and the automatic flushing device includes：Rotary electric machine, presses for driving
Roller is squeezed to rotate；Cleaning dolly, is provided with pulsating pump and nozzle, wherein, one end connection nozzle of pulsating pump, the other end is used to draw
Cleaning fluid, and cleaning fluid is transported at nozzle, cleaning fluid is sprayed to pressure roller with from nozzle, remain in the roller to rinse out
Foreign matter in hole；Mobile motor, dolly is cleaned for the axial movement along pressure roller.
Wherein, automatic flushing device further includes cleaning fluid storage box, and a screen pack is provided with cleaning fluid storage box,
It is divided into the first cavity and the second cavity with by cleaning fluid storage box, wherein, cleaning dolly is arranged on the top of the first cavity, squeezing
Roller is arranged on the top of the second cavity, wherein, store washing liquid in the first cavity is clear after store washing roller aperture in the second cavity
Washing lotion, screen pack is used to filter the cleaning fluid of the second cavity, is obtained with causing to be flowed into the first cavity by the cleaning fluid after filtering
To reuse.
Wherein, automatic flushing device also include guide rail, guide rail along pressure roller the top for being axially disposed within the first cavity, its
In, cleaning dolly is arranged on guide rail, and mobile motor drives cleaning dolly to move back and forth along guide rail.
Wherein, the two ends of guide rail are provided with travel switch, and travel switch is electrically connected with mobile motor, in cleaning dolly
Turn signal to mobile motor is sent during position where reaching travel switch so that mobile motor changes to drive and cleans dolly
Direction.
Wherein, protective casing is additionally provided with outside cleaning dolly, is splashed to for preventing the cleaning fluid on pressure roller from rebounding
On dolly.
Wherein, protective casing includes metal cap and woollen blanket, wherein, metal cap is arranged on the outside of cleaning dolly, and woollen blanket sets
Put on the one side near pressure roller of metal cap, for preventing metal cap from scratching the roll surface of pressure roller.
Wherein, nozzle is at least five groups, wherein, every group of nozzle is at least provided with 9 spray-holes.
Wherein, pressure roller are nested with bearing is set, and automatic flushing device also includes bearing block, the first sprocket wheel, the second sprocket wheel
And the chain of the first sprocket wheel of connection and the second sprocket wheel, its bottom bracket is used for spring bearing, the installed on the spindle nose of pressure roller
One sprocket wheel, installs the second sprocket wheel on the spindle nose of the output shaft of rotary electric machine, rotary electric machine drives the second sprocket wheel, so as to pass through chain
The first sprocket wheel is driven to rotate pressure roller.
Wherein, automatic flushing device also includes reduction box, and reduction box is arranged on the output shaft of rotary electric machine, for reducing
Rotary electric machine rotates the speed of pressure roller.
Wherein, the speed that pressure roller are rotated is per minute less than or equal to 0.39 circle.
The beneficial effects of the invention are as follows：It is different from the situation of prior art, the automatic flushing device of pressure roller of the invention
Including rotary electric machine, cleaning dolly and mobile motor, wherein, rotary electric machine is used to drive pressure roller to rotate, and is set on cleaning dolly
Pulsating pump and nozzle are equipped with, cleaning fluid is transported to spray by one end connection nozzle of pulsating pump, the other end for drawing cleaning fluid
At mouth, cleaning fluid is sprayed to pressure roller with from nozzle, to rinse out the foreign matter remained in roller aperture, mobile motor is along pressure roller
Axial movement cleaning dolly.Through the above way, the present invention only needs to a set of including rotary electric machine, cleaning dolly and mobile motor
Cleaning device, you can with flushing pressure roller repeatedly, the purpose of automatic cleaning pressure roller is realized, so that time-consuming and cleaning
Cost.
Brief description of the drawings
Fig. 1 is the pressure roller and rotary electric machine in a kind of automatic flushing device of pressure roller provided in an embodiment of the present invention
Mounting structure schematic diagram；
Fig. 2 is pressure roller and cleaning dolly in a kind of automatic flushing device of pressure roller provided in an embodiment of the present invention
Mounting structure schematic diagram；
Fig. 3 is the structural representation of the protective casing of the embodiment of the present invention.
Specific embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 are pressures in a kind of automatic flushing device of pressure roller provided in an embodiment of the present invention
The mounting structure schematic diagram of roller and rotary electric machine is squeezed, Fig. 2 is a kind of automatic cleaning dress of pressure roller provided in an embodiment of the present invention
The mounting structure schematic diagram of pressure roller and cleaning dolly in putting.Wherein, pressure roller 100 are suction press roll, and its roll surface is set
There are multiple roller aperture 101 (partial enlarged drawing as shown in Figure 1).As depicted in figs. 1 and 2, the pressure roller of the present embodiment is automatic clear
Cleaning device 10 includes rotary electric machine 11, cleaning dolly 12 and mobile motor 13.
Wherein, rotary electric machine 11 is used to drive pressure roller 100 to rotate, specifically, rotary electric machine 11 is to drive pressure roller 100
Axle rotation is rotated around it, the direction of rotary shaft is as shown in the dotted line AB of Fig. 1.
Pulsating pump 14 and nozzle 15 are provided with cleaning dolly 12.Wherein, one end connection nozzle 15 of pulsating pump 14, another
Hold for drawing cleaning fluid, and cleaning fluid is transported at nozzle 15, cleaning fluid to pressure roller 100 is sprayed with from nozzle 15, with
Rinse out the foreign matter remained in roller aperture 101.In the present embodiment, the lift of pulsating pump 14 is preferably greater than or equal to 3.8 meters.
Mobile motor 13 is used to clean dolly 12 along the axial movement of pressure roller 100.
Therefore, in the present embodiment, can realize cleaning pressure roller 100 automatically by a set of automatic flushing device 10, reach
To time-consuming and cost purpose.
Wherein, automatic flushing device 10 further includes cleaning fluid storage box 16, and cleaning fluid storage box 16 is a length of
10950mm, a width of 2800mm, a height of 710mm.A screen pack 17 is provided with cleaning fluid storage box 16, cleaning fluid is stored
16 points of case is the first cavity 161 and the second cavity 162.Cleaning dolly 12 is arranged on the top of the first cavity 161, pressure roller 100
It is arranged on the top of the second cavity 162.In the present embodiment, clean cleaning fluid, the second cavity 162 are stored in the first cavity 161
Cleaning fluid after middle store washing roller aperture 101.Screen pack 17 is used to filter the cleaning fluid of the second cavity 162, to cause to pass through
Cleaning fluid after filter is reused in flowing into the first cavity 161.Thus one case cleaning fluid, the of the side of screen pack 17 are only needed
The cleaning fluid of one cavity 161 is clean, and the cleaning fluid of the second cavity 162 of opposite side is dirty.Pulsating pump 14 is ceaselessly taken out
Clean cleaning fluid is taken, the cleaning fluid of the second cavity 162 flows back to the first cavity by screen pack 17, so recycling to save
Save cleaning fluid resource.
In the present embodiment, water intaking valve 163 is also provided with the first cavity 161, for being input into clean cleaning fluid.
The bottom of two cavitys 162 is also provided with draining valve 164, at the end of cleaning, the cleaning fluid of the second cavity 162 being arranged
Go out.
Preferably, a portion of the pressure roller 100 of the present embodiment is arranged in the second cavity 162, and another part is high
Go out the second cavity 162.It is possible thereby to so that during the cleaning liquid energy after cleaning pressure roller 100 smoothly flows into the second cavity 162.
In order to further collect the cleaning fluid left on pressure roller 100, the rotary electric machine 11 of the present embodiment is preferred to drive pressure
Squeeze roller 100 to be rotated from the direction of the cavity of nozzle 15 to the second 162, clockwise direction as shown in Figure 2.That is, from squeezing
The end observation of roller 100, if nozzle 15 is located at the right side of pressure roller 100, the rotation direction of pressure roller 100 turns for clockwise
Dynamic, opposite, if nozzle 15 is located at the left side of pressure roller 100, the rotation direction of pressure roller is to rotate counterclockwise.Thus, exist
Nozzle 15 is sprayed after cleaning fluid cleaning pressure roller 100, and the cleaning fluid on pressure roller 100 can be in the rotation side of pressure roller 100
The second cavity 162 is flowed downwardly into time upwards.
Further, a hairbrush can also be set in the side away from nozzle 15 of the second cavity 162, hairbrush is in pressure roller
During 100 rotation, pressure roller 100 are wiped, this aspect can remove the cleaning fluid on the roll surface of pressure roller 100, another
Aspect can also remove the foreign matter remained on roll surface.
In the present embodiment, automatic flushing device 10 also includes guide rail 18, and guide rail 18 is axially disposed within the along pressure roller 100
The top of one cavity 161.Wherein, cleaning dolly 12 is set on the track 18, and mobile motor 13 is arranged on cleaning dolly 12, and
Cleaning dolly 12 is driven to move back and forth along guide rail 18.Further, the two ends of guide rail 18 are provided with travel switch (not shown),
Travel switch is electrically connected with mobile motor 13, for sending steering letter when the position where dolly 12 reaches travel switch is cleaned
Number to mobile motor 13 so that mobile motor 13 changes the direction for driving cleaning dolly 12.
Wherein, travel switch can be touching formula travel switch or infrared type travel switch.Touching formula travel switch exists
Cleaning dolly 12 reaches travel switch position, and turn signal is sent when touching travel switch.Infrared type travel switch exists
The end of guide rail 18 sends infrared signal, and wherein moving direction of the direction of the signal preferably with cleaning dolly 12 is vertical,
Cleaning dolly 12 move to guide rail 18 end and enter infrared signal where regional location when, infrared type travel switch
Send turn signal.
In the present embodiment, protective casing 19 is additionally provided with outside cleaning dolly 12, for preventing the cleaning on pressure roller 100
Liquid bounce-back is splashed on dolly 12 and mobile motor 13.Specifically, protective casing 19 includes metal cap 191 and woollen blanket 192.Metal
Cover 191 is arranged on the outside of cleaning dolly 12, and woollen blanket 192 is arranged on the one side of close pressure roller 100 of metal cap 191,
For preventing metal cap 191 from scratching the roll surface of pressure roller 100.
Wherein, metal cap 191 can be made up of multiple metallic plates, also referring to Fig. 3, metal cap 191 by metallic plate 1911,
1912nd, 1913,1914 and 1915 constitute, wherein, woollen blanket 192 is arranged on the side of close pressure roller 100 of metallic plate 1913,
It should be understood that woollen blanket 192 can also be arranged on each lateral surface of metal cap 191 as shown in Figure 3.
Wherein, metal cap 191 only can also be made up of a metallic plate, and the metallic plate 1913 as shown in only Fig. 3 is constituted.
In the present embodiment, nozzle 15 is at least five groups, thus improves the efficiency of cleaning.Preferably, the nozzle of the present embodiment
15 being axially disposed within same level along pressure roller 100 are highly identical.It is possible thereby to make the cleaning fluid that nozzle 15 sprays
Pressure effect in the same horizontal line, reduction acts on resistance on pressure roller 100.In other embodiments, if desired drop
The rotating speed of low pressure roller 100, can set nozzle 15 to increase the resistance of pressure roller 100, specifically, by nozzle 15 along vertical
It is distributed in the axially direction of pressure roller 100 and is set.
Wherein, every group of nozzle 15 is at least provided with 9 spray-holes.
In the present embodiment, pressure roller 100 are also nested with bearing 111 to be set.Automatic flushing device 10 also includes bearing block
110th, the chain (not shown) of the first sprocket wheel 112, the second sprocket wheel 113 and the first sprocket wheel 112 of connection and the second sprocket wheel 113.Its
Bottom bracket 110 is used for spring bearing 111, and the first sprocket wheel 112, the output of rotary electric machine 11 are installed on the spindle nose of pressure roller 100
The second sprocket wheel 113 is installed on the spindle nose of axle, rotary electric machine 11 drives the second sprocket wheel 113, so as to pass through the sprocket wheel of chain-driving first
112 rotate pressure roller 100.
Further, automatic flushing device 10 also includes reduction box (not shown), and reduction box is preferably two, an installation
On the output shaft of mobile motor 13, the speed for reducing the movement cleaning dolly of mobile motor 13.Another is arranged on and rotates
On the output shaft of motor 11, the speed of pressure roller 100 is rotated for reducing rotary electric machine 11.Wherein, the speed that pressure roller 100 are rotated
Degree is per minute less than or equal to 0.39 circle.
In sum, the automatic flushing device 10 in invention slowly rotates pressure roller 100 by rotary electric machine 11, then leads to
The roller aperture 101 that the slowly moving cleaning dolly 12 of mobile motor 13 is back and forth cleaned on pressure roller 100 is crossed, can be clear within 5 days
About 3,500,000 roller aperture 101 on pressure roller 100 are washed, and through-hole rate is up to more than 99%.Reach time-consuming and cost
Purpose.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of automatic flushing device of pressure roller, wherein, the roll surface of the pressure roller is provided with multiple roller aperture, and its feature exists
In the automatic flushing device includes：
Rotary electric machine, for driving the pressure roller to rotate；
Cleaning dolly, is provided with pulsating pump and nozzle, wherein, one end of the pulsating pump connects the nozzle, and the other end is used for
Cleaning fluid is drawn, and the cleaning fluid is transported at the nozzle, the cleaning fluid to the pressure is sprayed with from the nozzle
Roller is squeezed, to rinse out the foreign matter remained in the roller aperture；
Mobile motor, for the axial movement cleaning dolly along the pressure roller；
Cleaning fluid storage box, a screen pack is provided with the cleaning fluid storage box, and the cleaning fluid storage box is divided into
One cavity and the second cavity, wherein, the cleaning dolly is arranged on the top of first cavity, and the pressure roller are arranged on institute
The top of the second cavity is stated, wherein, the cleaning fluid is stored in first cavity, in second cavity described in store washing
Cleaning fluid after roller aperture, the screen pack is used to filter the cleaning fluid of second cavity, to cause by the cleaning after filtering
Liquid is reused in flowing into first cavity；
Guide rail, the guide rail along the pressure roller the top for being axially disposed within first cavity, wherein, the cleaning dolly
It is arranged on the guide rail, the mobile motor drives the cleaning dolly to move back and forth along the guide rail；
Hairbrush, is arranged on the side away from the nozzle of second cavity, the hairbrush pair when the pressure roller are rotated
The pressure roller are wiped；
Wherein, the two ends of the guide rail are provided with travel switch, and the travel switch is electrically connected with the mobile motor, for
The cleaning dolly reach the travel switch where position when send turn signal to the mobile motor so that the shifting
Dynamic motor changes the direction for driving the cleaning dolly；
The travel switch is infrared type travel switch, and the infrared type travel switch sends infrared ray in the end of the guide rail
Signal, the direction of the infrared signal is vertical with the moving direction of the cleaning dolly, and institute is moved in the cleaning dolly
State guide rail end and enter the infrared signal where regional location when, the infrared type travel switch sends steering
Signal.
2. automatic flushing device according to claim 1, it is characterised in that be additionally provided with splashproof outside the cleaning dolly
Shield, the dolly is splashed to for preventing the cleaning fluid on the pressure roller from rebounding.
3. automatic flushing device according to claim 2, it is characterised in that the protective casing includes metal cap and hair
Blanket, wherein, the metal cap is arranged on the outside of the cleaning dolly, and it is described that the woollen blanket is arranged on being close to for the metal cap
On the one side of pressure roller, for preventing the metal cap from scratching the roll surface of the pressure roller.
4. automatic flushing device according to claim 1, it is characterised in that the nozzle is at least five groups, wherein, every group
The nozzle is at least provided with 9 spray-holes.
5. automatic flushing device according to claim 1, it is characterised in that the pressure roller are nested with bearing to be set, institute
Stating automatic flushing device also includes bearing block, the first sprocket wheel, the second sprocket wheel and connects first sprocket wheel and the second sprocket wheel
Chain, wherein the bearing block is used to support the bearing, installs first sprocket wheel, described turn on the spindle nose of the pressure roller
Second sprocket wheel is installed on the spindle nose of the output shaft of dynamic motor, the rotary electric machine drives second sprocket wheel, so as to pass through
First sprocket wheel described in the chain-driving rotates the pressure roller.
6. automatic flushing device according to claim 5, it is characterised in that the automatic flushing device also includes slowing down
Case, the reduction box is arranged on the output shaft of the rotary electric machine, and the pressure roller are rotated for reducing the rotary electric machine
Speed.
7. automatic flushing device according to claim 6, it is characterised in that the speed that the pressure roller are rotated be less than or
It is per minute equal to 0.39 circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115519.9A CN104759425B (en) | 2015-03-16 | 2015-03-16 | A kind of automatic flushing device of pressure roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115519.9A CN104759425B (en) | 2015-03-16 | 2015-03-16 | A kind of automatic flushing device of pressure roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759425A CN104759425A (en) | 2015-07-08 |
| CN104759425B true CN104759425B (en) | 2017-06-23 |
Family
ID=53641704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115519.9A Active CN104759425B (en) | 2015-03-16 | 2015-03-16 | A kind of automatic flushing device of pressure roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759425B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871918A (en) * | 2020-07-17 | 2020-11-03 | 浙江凯丰新材料股份有限公司 | Inside self-cleaning device of roller is squeezed in vacuum |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617441A (en) * | 1968-08-22 | 1971-11-02 | United Board & Carton Corp | Spray nozzle device for cleaning accumulations in suction roll openings |
| JPH0433696U (en) * | 1990-07-17 | 1992-03-19 | ||
| CN102350871B (en) * | 2011-08-08 | 2013-06-12 | 信益陶瓷(中国)有限公司 | Rubber roller cleaning device |
| CN202877171U (en) * | 2012-11-08 | 2013-04-17 | 南车戚墅堰机车有限公司 | Cam shaft connecting rod cleaning machine |
| CN203356100U (en) * | 2013-06-17 | 2013-12-25 | 宜宾丝丽雅股份有限公司 | Washing device applicable to press roller of presser |
| CN203508457U (en) * | 2013-08-24 | 2014-04-02 | 合肥高益机电科技有限公司 | Workpiece cleaning device |
| CN203526122U (en) * | 2013-10-22 | 2014-04-09 | 金东纸业（江苏）股份有限公司 | Roller set cleaning device |
| CN204093786U (en) * | 2014-08-04 | 2015-01-14 | 安庆盛华纸质包装有限公司 | A kind of roller cleaning device |
-
2015
- 2015-03-16 CN CN201510115519.9A patent/CN104759425B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759425A (en) | 2015-07-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An automatic cleaning device for press rolls Effective date of registration: 20231101 Granted publication date: 20170623 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: Goldeast Paper (Jiangsu) Co.,Ltd. Registration number: Y2023980063170 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |