CN208714693U - A kind of cleaning device for printing machine embossing roller - Google Patents
A kind of cleaning device for printing machine embossing roller Download PDFInfo
- Publication number
- CN208714693U CN208714693U CN201821295045.6U CN201821295045U CN208714693U CN 208714693 U CN208714693 U CN 208714693U CN 201821295045 U CN201821295045 U CN 201821295045U CN 208714693 U CN208714693 U CN 208714693U
- Authority
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- China
- Prior art keywords
- impression cylinder
- cleaning
- collection portion
- printing machine
- collection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 150
- 238000007639 printing Methods 0.000 title claims abstract description 35
- 238000004049 embossing Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 22
- 230000008602 contraction Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010018 discharge printing Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses a kind of cleaning devices for printing machine embossing roller, it is related to printing technology, including cleaning part, actuator, liquid supply pipe and collect set, it is covered by the way that cleaning part is arranged outside impression cylinder and is arranged collection outside impression cylinder, and cleaning part and collection are covered deployable and are shunk, to reduce cleaning device the space occupied, cause space effective rate of utilization lower to solve the problems, such as that cleaning device occupies very large space in the prior art.The utility model has the following advantages that and effect: by the way that contractile cleaning part is arranged outside impression cylinder, and contractile collection set is arranged outside impression cylinder, so that cleaning device only takes up the space of very little, to improve space effective rate of utilization.
Description
Technical field
The utility model relates to printing technology, in particular to a kind of cleaning device for printing machine embossing roller.
Background technique
The impression cylinder of cylinder press needs to keep clean state, to ensure printing quality, therefore needs often to pressure
Ink and dust on print roller are cleaned.
Existing cleaning device is usually to utilize the frictional force for relatively rotating generation between cleaning roller and impression cylinder will
Under ink and dust on impression cylinder are scraped or brushed, and cleaning roller is usually close with impression cylinder size, and impression cylinder
It is very big to generally take up space, causes cleaning roller the space occupied also very big, it is very big so as to cause cleaning device the space occupied,
So that the printing machine quantity that can be accommodated in same space is reduced, so that space effective rate of utilization is low.
Utility model content
The purpose of the utility model is to provide a kind of cleaning device of cylinder press, has and occupy little space to improve
The advantages of space effective rate of utilization.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of for printing machine pressure
Print the cleaning device of roller characterized by comprising mutually assemble with press rack, rub by generating between impression cylinder
Wipe the cleaning part of power cleaning impression cylinder, the cleaning part expansion of when cleaning simultaneously extends to the other end, no from impression cylinder one end
The cleaning part is contracted in one end of impression cylinder when cleaning；It is mounted on the rack, for driving the cleaning part along coining rolling
The axis direction expansion of cylinder or the actuator of contraction；One end is connected to outer liquid feeding source, the other end extends at cleaning part, is cleaning
The liquid supply pipe of process offer cleaning solution；And the collection set of the waste liquid and waste residue for collecting cleaning process generation, cleaning process
Described in collect and be set in that impression cylinder is outer, collections covers and be contracted in impression cylinder lower section at the end of cleaning, and receipts
Collection set bottom is connected to equipped with one end with collection set, the other end extends on the outside of printing machine, the waste liquid for that will collect and waste residue are arranged
Drainage conduit out.
By using above-mentioned technical proposal, when needing to clean impression cylinder, cleaning part is driven using actuator
Axis direction along impression cylinder is unfolded, and cleaning solution is then provided on cleaning part using liquid supply pipe, at this point, can be pressed by rotation
Print roller makes that the relative rotation along impression cylinder circumferential direction occurs between impression cylinder and cleaning part, or utilizes actuator driving cleaning
Part, which is persistently done, to be unfolded and the movement shunk between impression cylinder and cleaning part so as to occur along the opposite of impression cylinder axis direction
It is mobile, when relative motion occurs between impression cylinder and cleaning part and generates frictional force, the ink and ash on impression cylinder surface
Dirt can be fallen under the action of frictional force, and the ink and dust that fall are set in the receipts outside impression cylinder as cleaning solution is fallen to
In collection set, and it is discharged from drainage conduit；
When cleaning completion, it is contracted in one end of impression cylinder using actuator driving cleaning part, and make to collect to cover and receive
Contracting is below impression cylinder, so that the space of very little is only taken up after the completion of making cleaning device during cleaning and cleaning,
So that the printing machine number that can be accommodated in identical space is more, and then improve space effective rate of utilization.
Further, the set of collecting includes that first collection portion and second of the movable obvolvent outside impression cylinder are collected
Portion, the fixing end of first collection portion and the fixing end of the second collection portion be installed in below impression cylinder, the first collection portion
Movable end and the detachable assembly of the movable end of the second collection portion；The first collection portion and the second collection portion obvolvent be simultaneously in cleaning process
It is set in outside impression cylinder, and the movable end of the first collection portion and the movable end of the second collection portion mutually assemble, at the end of cleaning
The movable end of one collection portion is separated with the movable end of the second collection portion, and the first collection portion and the second collection portion are contracted in coining rolling
Cylinder lower section.
By using above-mentioned technical proposal, when needing to clean impression cylinder, by the movable end of the first collection portion
It is assembled together with the movable end of the second collection portion, and makes to collect and be set in outside impression cylinder, make first when cleaning and completing
The movable end of collection portion is separated with the movable end of the second collection portion, and makes the movable end of the first collection portion and the work of the second collection portion
It is lower section that moved end, which is contracted in impression cylinder, to save space, improves the effective rate of utilization in space.
Further, the movable end of first collection portion is equipped with the first magnetic part, and the movable end of the second collection portion is equipped with
Second magnetic part attracting with the first magnetic part.
By using above-mentioned technical proposal, by the way that the first magnetic part and the second magnetic part that attract each other is arranged, so that working as
When the movable end by the movable end of the first collection portion and the second collection portion being needed to be assembled together, the first magnetic part and the second magnetism
The power to attract each other between part, which makes to assemble between the movable end of the first collection portion and the movable end of the second collection portion, to be consolidated, and is dismounted
Process is simple and fast；When the movable end of the first collection portion is separated with the movable end of the second collection portion and is contracted under impression cylinder
Fang Shi, the power to attract each other between the first magnetic part and the second magnetic part can also be such that the movable end of the first collection portion and second collects
The movable end in portion is fitly attached together below impression cylinder, is also able to maintain neat shape so that collecting after set is shunk
State.
Further, first collection portion and the second collection portion are in the elastic sheet of zigzag by several
It is integrally formed.
By using above-mentioned technical proposal, be arranged the first collection portion and the second collection portion by several in zigzag from bullet
Property flaky material be integrally formed so that the first collection portion and the second collection portion contraction process are more smooth, and can be more whole after shrinking
It is placed in below impression cylinder together, to further decrease the space occupied after collection portion is shunk, it is effectively sharp to improve space
With rate.
Further, the both ends of first collection portion and the second collection portion on impression cylinder axis direction are from coining
Roller edge is bent towards impression cylinder axis.
By using above-mentioned technical proposal, in the first collection portion and the second collection portion on impression cylinder axis direction
The bending towards impression cylinder axis is arranged in both ends, so that cleaning falls to the waste liquid of collection portion later and waste residue is not easy from collection
The two sides in portion are overflowed and are dropped on printing machine, to reduce the probability that the waste liquid and waste residue after cleaning destroy printing machine.
Further, storage box is installed on the press rack, it is opposite with its mounting surface on storage box to open on one side
Mouthful, described cleaning part one end is installed in storage box, and the movable end of cleaning part is equipped with the box cover being adapted to the storage box, institute
The movable end for stating actuator is mutually assembled with box cover.
By using above-mentioned technical proposal, when setting storage box and box cover complete cleaning, cleaning part can be received
It is contained in storage box, so that cleaning part can fitly be placed in one end of impression cylinder after shrinking, had both reduced cleaning part occupancy
Space, while cleaning part being made not hamper press printing after the completion of cleaning again.
Further, the rack is equipped with the axis cross bar parallel with the axis of impression cylinder, and the box cover is equipped with
Otic placode, the cross bar run through the otic placode.
By using above-mentioned technical proposal, otic placode is set on box cover, cross bar is set in rack, and makes cross bar through ear
Plate can move along a straight line, when so that box cover and cleaning part being moved along the axis direction of impression cylinder from without departing from set
Motion profile enables cleaning part to be more successfully accommodated in storage box, reduces cleaning part the space occupied.
Further, card slot is offered on the storage box, the box cover is equipped with the fixture block being adapted to card slot.
By using above-mentioned technical proposal, card slot and fixture block are set, so that the lid conjunction state between box cover and storage box is more
Stablize, so that box cover is not easy to be detached from storage box during press printing, and then reduces cleaning device influence print
The probability of brush machine printing process.
Further, the blower for drying up the cleaning solution on impression cylinder is provided on press rack.
By using above-mentioned technical proposal, after the completion of setting blower makes cleaning, impression cylinder can be rapidly dried,
To save the time needed for cleaning waits impression cylinder natural air drying after the completion, cleaning efficiency is improved, and then improve printing
The working efficiency of machine.
Further, the blower is arranged in impression cylinder upper center position.
By using above-mentioned technical proposal, the medium position above impression cylinder is arranged in blower, so that impression cylinder
Both ends can synchronously be dried so that drying impression cylinder needed for the time it is shorter, improve drying impression cylinder efficiency.
In conclusion the utility model has the following beneficial effects:
1. by the way that shrinkable and expansion cleaning part is arranged and collects set, so that cleaning device entirety occupied space is very
It is small, improve space effective rate of utilization；
2. the elastic sheet system of the first collection portion for collecting set and the second collection portion by several in zigzag is arranged
At so that it is more smooth to collect set contraction process, and the state after contraction is more neat, further saves the sky of cleaning device occupancy
Between, improve space effective rate of utilization.
Detailed description of the invention
Fig. 1 is the overall structure diagram in the utility model embodiment for the cleaning device of printing machine embossing roller；
Fig. 2 is the detail view in the utility model embodiment for the cleaning device of printing machine embossing roller.
Appended drawing reference: 1, rack；11, storage box；111, card slot；12, box cover；121, fixture block；13, blower；14, cross bar；
15, otic placode；2, cleaning part；3, actuator；4, liquid supply pipe；5, set is collected；51, the first collection portion；511, the first magnetic part；52,
Second collection portion；521, the second magnetic part；53, drainage conduit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
A kind of cleaning device for printing machine embossing roller, as shown in Figure 1, including cleaning part 2, actuator 3, liquid supply pipe
4 and collect set 5.
Cleaning part 2 is assembled with 1 phase of press rack combined with Figure 1 and Figure 2, and in the process of cleaning, cleaning part 2 is unfolded, and from
One end of impression cylinder extends to the other end, and cleaning part 2 is contracted in one end of impression cylinder when not cleaning, and actuator 3 is also pacified
In rack 1, for driving cleaning part 2 along the axis direction expansion of impression cylinder or shrinking, in the present embodiment, liquid supply pipe
4 be the water pipe being connected to outer liquid feeding source, for providing cleaning solution for cleaning process, collects set 5 and is set in pressure in the process of cleaning
The lower section of impression cylinder is contracted in outside print roller, at the end of cleaning, for collecting the waste liquid and waste residue that generate in cleaning process, and
And the bottom for collecting set 5 is equipped with drainage conduit 53, one end of drainage conduit 53 is connected to set 5 is collected, and the other end extends to outside printing machine,
To collect outside the waste liquid and waste residue discharge printing machine that set 5 is collected；
When needing to clean impression cylinder, drive cleaning part 2 along the axis side of impression cylinder first with actuator 3
To expansion and the other end is extended to from one end of impression cylinder, and is set in 5 expansion of collection set outside impression cylinder, at this point, turning
Dynamic impression cylinder makes that the relative rotation along impression cylinder circumferential direction occurs between impression cylinder and cleaning part 2, or utilizes actuator 3
Driving cleaning part 2 does back and forth movement on the axis direction of impression cylinder, makes to occur between impression cylinder and cleaning part 2 along coining
The axis direction of roller relatively moves, to make to generate frictional force between impression cylinder and cleaning part 2, impression cylinder surface
Ink and dust can be fallen under the action of frictional force, during this, liquid supply pipe 4 provides cleaning solution on cleaning part 2, falls
The ink and dust fallen falls into collection set 5 with cleaning solution, and is discharged outside printing machine by drainage conduit 53；
It when cleaning completion, drives cleaning part 2 to be contracted in one end of impression cylinder using actuator 3, and receives collection set 5
Contracting, to reduce cleaning device the space occupied, improves space effective rate of utilization in the lower section of impression cylinder.
In the present embodiment, cleaning part 2 is sponge block or the rubber block with bristle, since sponge block and rubber block can be very
It shrinks and is unfolded well, 2 occupied space of cleaning part can be made to reduce, to improve the effective rate of utilization in space.
Collection portion includes the first collection portion 51 and the second collection portion 52, the fixing end and the second collection portion of the first collection portion 51
52 fixing end be installed in the lower section of impression cylinder, the first collection portion 51 movable end and the second collection portion 52 movable end it is removable
Formula assembly is unloaded, when needing to clean impression cylinder, makes the first collection portion 51 and 52 obvolvent of the second collection portion and is set in coining rolling
Cylinder is outer, and then the movable end of the first collection portion 51 and the second collection portion 52 is assembled together, so that collection set 5 be made to be set in pressure
Print roller is outer and is collected to the waste liquid and waste residue that generate in cleaning process；When cleaning completion, make the first collection portion 51
Movable end and the separation of the movable end of the second collection portion 52, and the first collection portion 51 and the second collection portion 52 is made to be contracted in impression cylinder
Lower section；
To make the dismounting more convenient and quicker between the movable end of the first collection portion 51 and the movable end of the second collection portion 52,
The movable end of first collection portion 51 is equipped with the first magnetic part 511, the movable end of the second collection portion 52 is equipped with and the first magnetic part 511
The second attracting magnetic part 521, so as to utilize the power to attract each other between the first magnetic part 511 and the second magnetic part 521
Realize the assembly between the movable end of the first collection portion 51 and the movable end of the second collection portion 52, it is convenient and efficient.
First collection portion 51 and the second collection portion 52 are integrally formed by several in the elastic sheet of zigzag, from
And the contraction process for collecting set 5 can be made more convenient, and the state after contraction is more neat, further reduce collection set 5
The space occupied, and cleaning device is made to seem more clean and tidy.
Collect waste liquid in set 5 and waste residue is not easy to overflow from the both ends for collecting set 5 to make to fall into, the first collection portion 51 with
And second both ends of the collection portion 52 on impression cylinder axis direction be equipped with bending, overbending direction is from impression cylinder edge court
To impression cylinder axis, the probability of printing machine is overflowed and polluted from the both ends for collecting set 5 to reduce waste liquid and waste residue, is improved
The practicability of cleaning device.
Storage box 11 is installed, the one side opposite with its mounting surface opening, cleaning part on storage box 11 on press rack 1
2 one end is installed in storage box 11, and the movable end of cleaning part 2 is equipped with the box cover 12 being adapted to storage box 11, and actuator 3
Movable end and 12 phase of box cover assemble so that cleaning part 2 can be placed in storage box 11 after the completion of cleaning, keep clear
While washing the tidiness of part 2,2 the space occupied of cleaning part is reduced, space effective rate of utilization is improved.
In addition, rack 1 is equipped with cross bar 14, the axis of cross bar 14 and the axis of impression cylinder are parallel, and box cover 12 is equipped with
Cross bar 14 is run through otic placode 15, so that the process that box cover 12 and cleaning part 2 are moved along the axis direction of impression cylinder by otic placode 15
In, can be moved along cross bar 14, to be not easy to deviate set motion profile in moving process, enable cleaning part 2 more
Successfully it is placed in storage box 11 completely；
It is more firm to close the lid between box cover 12 and storage box 11, card slot 111, box cover 12 are offered on storage box 11
On offer the fixture block 121 being adapted to card slot 111 so that box cover 12 is not easy to fall from storage box 11 with 11 Gai Hehou of storage box
It falls, so that cleaning part 2 can be steadily accommodated in storage box 11, until needing that cleaning part 2 is unfolded.
For enable cleaning after impression cylinder be rapidly dried, blower 13 is provided on press rack 1, and
The medium position above impression cylinder is arranged in blower 13, blower 13 is equably rolled coining after the completion of cleaning
The drying of cylinder both ends improves cleaning efficiency to save the time needed for cleaning waits impression cylinder natural air drying later.
The course of work is summarized: when needing to clean impression cylinder, driving cleaning part 2 to be unfolded first with actuator 3
And the other end is extended to from one end of impression cylinder, then set 5 will be collected using the first magnetic part 511 and the second magnetic part 521
The movable end of the first collection portion 51 and the movable end of the second collection portion 52 be assembled together, and using liquid supply pipe 4 to cleaning part 2
Upper offer cleaning solution, then rotates impression cylinder or to drive cleaning part 2 to do along the axis direction of impression cylinder using actuator 3 past
Movement is returned, so that frictional force is generated between cleaning part 2 and impression cylinder, so that the ink and dust on impression cylinder surface exist
It falls under the action of frictional force, and as cleaning solution is fallen into together in collection set 5, is finally discharged from drainage conduit 53；
When cleaning completion, first the movable end of the first collection portion 51 and the movable end of the second collection portion 52 are separated, thus
It is contracted in the first collection portion 51 and the second collection portion 52 below impression cylinder, then drives cleaning part 2 to shrink using actuator 3
Into in storage box 11, so that cleaning device only takes up the space of very little, space utilization rate is improved.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of cleaning device for printing machine embossing roller characterized by comprising
The cleaning part for mutually being assembled with press rack (1), cleaning impression cylinder by generating frictional force between impression cylinder
(2), the cleaning part (2) when the cleaning part (2) is unfolded and extends to the other end from impression cylinder one end, do not clean when cleaning
It is contracted in one end of impression cylinder；
It is mounted on rack (1), for driving the cleaning part (2) along the axis direction expansion of impression cylinder or the driving of contraction
Part (3)；
One end is connected to outer liquid feeding source, the other end extends at cleaning part (2), provides the liquid supply pipe of cleaning solution for cleaning process
(4)；And
For collecting the waste liquid of cleaning process generation and the collection set (5) of waste residue, collection set (5) described in cleaning process is set in
The collection set (5) is contracted in below impression cylinder outside impression cylinder, at the end of cleaning, and collection set (5) bottom is equipped with
One end is connected to collection set (5), the other end extends on the outside of printing machine, the drainage conduit of the waste liquid for that will collect and waste residue discharge
(53)。
2. the cleaning device according to claim 1 for printing machine embossing roller, which is characterized in that the collection set
It (5) include first collection portion (51) and second collection portion (52) of the movable obvolvent outside impression cylinder, first collection portion
(51) fixing end of fixing end and the second collection portion (52) is installed in the movable end of impression cylinder lower section, the first collection portion (51)
With the detachable assembly of movable end of the second collection portion (52)；
It the first collection portion (51) and (52) obvolvent of the second collection portion and is set in outside impression cylinder in cleaning process, and first collects
The movable end in portion (51) and the movable end of the second collection portion (52) mutually assemble, the movable end of the first collection portion (51) at the end of cleaning
It is separated with the movable end of the second collection portion (52), and the first collection portion (51) and the second collection portion (52) are contracted under impression cylinder
Side.
3. the cleaning device according to claim 2 for printing machine embossing roller, which is characterized in that described first collects
The movable end in portion (51) is equipped with the first magnetic part (511), and the movable end of the second collection portion (52) is equipped with and the first magnetic part (511)
Attracting the second magnetic part (521).
4. the cleaning device according to claim 2 for printing machine embossing roller, which is characterized in that described first collects
Portion (51) and the second collection portion (52) are integrally formed by several in the elastic sheet of zigzag.
5. the cleaning device according to claim 2 for printing machine embossing roller, which is characterized in that described first collects
The both ends of portion (51) and the second collection portion (52) on impression cylinder axis direction are from impression cylinder edge towards impression cylinder
Axis bending.
6. the cleaning device according to claim 1 for printing machine embossing roller, which is characterized in that the printing machine machine
It is equipped on frame (1) storage box (11), the one side opposite with its mounting surface opening, the cleaning part (2) one on storage box (11)
End is installed in storage box (11), and the movable end of cleaning part (2) is equipped with the box cover (12) being adapted to the storage box (11), institute
The movable end and box cover (12) for stating actuator (3) mutually assemble.
7. the cleaning device according to claim 6 for printing machine embossing roller, which is characterized in that the rack (1)
It is equipped with the axis cross bar (14) parallel with the axis of impression cylinder, the box cover (12) is equipped with otic placode (15), the cross bar
(14) run through the otic placode (15).
8. the cleaning device according to claim 6 for printing machine embossing roller, which is characterized in that the storage box
(11) it is offered on card slot (111), the box cover (12) is equipped with the fixture block (121) being adapted to card slot (111).
9. the cleaning device according to claim 1 for printing machine embossing roller, which is characterized in that press rack
(1) blower (13) for drying up the cleaning solution on impression cylinder is provided on.
10. the cleaning device according to claim 9 for printing machine embossing roller, which is characterized in that the blower
(13) blowing direction is above impression cylinder towards impression cylinder lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295045.6U CN208714693U (en) | 2018-08-11 | 2018-08-11 | A kind of cleaning device for printing machine embossing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295045.6U CN208714693U (en) | 2018-08-11 | 2018-08-11 | A kind of cleaning device for printing machine embossing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208714693U true CN208714693U (en) | 2019-04-09 |
Family
ID=65977191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821295045.6U Expired - Fee Related CN208714693U (en) | 2018-08-11 | 2018-08-11 | A kind of cleaning device for printing machine embossing roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208714693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910760A (en) * | 2021-10-16 | 2022-01-11 | 任甲丰 | Plastic film double-sided printing system |
-
2018
- 2018-08-11 CN CN201821295045.6U patent/CN208714693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910760A (en) * | 2021-10-16 | 2022-01-11 | 任甲丰 | Plastic film double-sided printing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190409 |