CN209381379U - BOOP film interval adjustable ironing device - Google Patents
BOOP film interval adjustable ironing device Download PDFInfo
- Publication number
- CN209381379U CN209381379U CN201822132794.3U CN201822132794U CN209381379U CN 209381379 U CN209381379 U CN 209381379U CN 201822132794 U CN201822132794 U CN 201822132794U CN 209381379 U CN209381379 U CN 209381379U
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- rack
- roller
- heating roller
- heating
- film
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Abstract
The utility model relates to a kind of BOOP film interval adjustable ironing devices, it is related to pressing equipment technical field, it aims to solve the problem that and is difficult to that the spacing of thermally conductive roller and heating roller is adjusted, lead to its ineffective problem, it includes rack and controller, several groups heating roller and guide roller are disposed in rack vertically, heating roller and guide roller are rotatablely connected on the rack, driving heating roller is provided in rack, the two sides of rack are equipped with sliding rail, sliding rail is equipped with multiple sliding blocks, the both ends of heating roller and the guide roller are rotationally connected with the sliding block of two sides, multiple card slots are equipped on sliding rail along the vertical direction, sliding block is equipped with the Fastener cooperated with card slot, cylinder is connected between two neighboring sliding block, rack is equipped with controller, cylinder is electrically connected with the controller, the utility model can install film on ironing device When or film thickness when changing, the spacing between thermally conductive roller and heating roller is quickly adjusted, to promote its working efficiency.
Description
Technical field
The utility model relates to pressing equipment technical fields, are plated more particularly, to a kind of BOOP film with interval adjustable
Device.
Background technique
BOPP is the abbreviation of " Biaxially Oriented Polypropylene ", i.e. bidirectional stretching polypropylene film.
Adhesive tape is needed to be glued in BOPP film, then be dried, but BOPP film is drawn from unwinding device during production
Coating head is reached after out, film is before without processing of plating because in film production technology or storage, film surface can occur
Deform or swing side phenomenon.It is also easy to produce that gluing is irregular or calymma in coating process, seriously will appear painting and do not glue, can only do and scrap
Processing, waste is very big, and product quality is also unstable, therefore glues the preceding planarization in order to guarantee BOPP film, needs to it
It plates, prevents wrinkle, thus the belt quality for guaranteeing the quality of gluing and producing.
A kind of BOOP film ironing device as disclosed in the Chinese patent of Publication No. CN206749028U, including rack and
Controller is disposed with several groups heating roller and guide roller in rack vertically, and heating roller and guide roller are rotatablely connected on the rack,
It is provided with the driving device of driving heating roller and guide roller rotation in rack, is additionally provided in rack for measuring heating roller surface
The infrared thermometer of temperature, the heating roller are electric heating roller, electric heater unit, driving device inside electric heating roller and red
Outside line temperature measurer is electrically connected with controller.The technical solution of its utility model is provided with several groups heating roller and guide roller,
BOPP film can be allowed by multiple pressing, pressing effects are good；And infrared thermometer is additionally provided in rack, it can
With real-time measurement heating roller surface temperature, if temperature departure predetermined temperature, controller controls the electric heating inside electric heating roller
Device is adjusted, to will not influence pressing effect and BOPP film quality.
But above-mentioned technology has the following deficiencies: when needing to plate to film, and film to heating roller and is oriented to
Installed on roller it is relatively difficult, and when film thickness is varied, it is difficult to the spacing of thermally conductive roller and heating roller is adjusted,
Lead to its ineffective problem.
Utility model content
The purpose of the utility model is to provide a kind of BOOP film interval adjustable ironing devices, can fill to plating
When setting installing film or when film thickness changes, the spacing between thermally conductive roller and heating roller is quickly adjusted, to promote it
Working efficiency.
The above-mentioned purpose of the utility model has the technical scheme that a kind of BOOP film spacing can
Mode ironing device, including rack and controller, are disposed with several groups heating roller and guide roller in rack vertically, heating roller and lead
It is rotationally connected in rack to roller, the driving device of driving heating roller and guide roller rotation is provided in the rack, it is special
Sign is: the two sides of the rack are equipped with vertical sliding rail, and the sliding rail is equipped with multiple sliding blocks, the heating roller with it is described
The both ends of guide roller are from top to bottom successively rotationally connected with the sliding block of the rack two sides, are equipped with along the vertical direction on the sliding rail
Multiple card slots, the sliding block is equipped with the Fastener cooperated with card slot, is connected with cylinder between the two neighboring sliding block, described
Cylinder is electrically connected with the controller.
Implement above-mentioned technical proposal, is needing film installing ironing device or film thickness changes, needing to adjust
When the spacing of heating roller and guide roller, the Fastener on sliding block is taken out from clamping slot, and by controller control sliding block it
Between the cylinder moving that connects be able to adjust adjacent heating roller by the spacing between the motion hinged sliding block of the telescopic rod of cylinder
With the spacing of guide roller, after the completion of adjustment, reuses Fastener and fix sliding block with card slot cooperation, later again by film by unreeling
Device is drawn, and the multiple guide rollers of pile warp form cornerite, so that film is wrapped up heating roller, to promote its working efficiency.
The utility model is further arranged to: between the driving device and the shaft of the heating roller and the guide roller
It is connected with crawler belt, for the driving device by heating roller described in the track drive and the guide roller, the crawler belt includes more
The outer surface of the extension band connected between a transmission belt and the transmission belt, the transmission belt is equipped with fixed column, the extension band
Surface is provided along its length multiple fixation holes with fixed column cooperation.
Implement above-mentioned technical proposal, before the spacing to heating roller and guide roller is adjusted, band will be extended from fixation
It removes on column, so that crawler belt disconnects, then is adjusted, after the completion of adjusting, by the fixation hole and biography that extend belt surface setting
The dynamic fixed column being arranged with outer surface will extend band and be fixed on transmission belt, while crawler belt reconnected, and length is suitable
The variation for answering length caused by the adjustment of heating roller and guide roller spacing, to promote its working efficiency.
The utility model is further arranged to: oiling layer is offered in the heating roller, the oiling layer is close to described add
The outer surface of hot-rolling is arranged, and the frame top is equipped with the heating device of heating conduction oil, and the heating device is connected with Oil Guide
Pipe, the oil guide pipe is in oiling layer mid-game around setting.
Implement above-mentioned technical proposal, conduction oil is passed through in the oiling layer in heating roller by oil guide pipe, and oiling layer
It is close to outer surface setting, and oil guide pipe coils setting wherein, makes its homogeneous heating, temperature adjustment precise control, and have and pass
The good advantage of thermal effect, to promote its working efficiency.
The utility model is further arranged to: the oil guide pipe from top to bottom successively connects with the oiling layer of the heating roller
It connects, the Oil Guide pipe end is connected with recovery pump, is connected with return pipe between the recovery pump and heating device.
Implement above-mentioned technical proposal, by the way that oil guide pipe from top to bottom successively to be connect with heating tube, and connects at its end
Recovery pump, then connect recovery pump with heating device by return pipe, in conduction oil by using after the completion from heating tube, energy
It is enough that it is recycled, and reused, it can be energy saving, and the conduction oil recycled is easier to be heated to institute
Temperature is needed, to improve its feature of environmental protection and working efficiency.
The utility model is further arranged to: the rack is equipped with traction device, the traction dress close to discharge port side
It sets including traction electric machine and a rotating roller being connect with traction electric machine.
Implement above-mentioned technical proposal to install by the traction device being arranged in rack close to discharge port side by film
When on ironing device, by after the multiple guide rollers of film coiling further around volume in rotating roller so that driving device drives heating roller
It is rotated with guide roller to drive film to move around its coiling path, while traction device also pulls the movement of film, can facilitate
By film tense while it is moved, to promote its pressing effect.
The utility model is further arranged to: the frame top exit is equipped with chill roll, is equipped in the chill roll
Layer is filled the water, the chill roll is connect with the gantry rotation, and is connect with the driving device.
Implement above-mentioned technical proposal, by the chill roll being arranged in rack the top exit, and is arranged in chill roll
Water filling layer, cooling and shaping can be carried out to it by chill roll, reinforce the pressing to film in film after pressing is handled
Effect, to promote its working efficiency.
The utility model is further arranged to: the rack side is equipped with water supply device, and the water supply device is connected with cold
Condenser, the condenser are connected with aqueduct, and the aqueduct is passed through in the water filling layer of the chill roll, and the aqueduct is being infused
Water layer mid-game is connected with Waster water reuse apparatus after being discharged in water filling layer around setting, the aqueduct.
Implement above-mentioned technical proposal, when carrying out pressing operation to film, water supply device is passed through water into condenser, passes through
The condensation function of condenser reduces the temperature of water, then water is passed through in water filling layer by aqueduct, in the film packet to be plated
When wrapping up in chill roll and being discharged by chill roll, water and film carry out heat exchange operation, are able to cool down film, to mention
Rise its working efficiency.
The utility model is further arranged to: the Waster water reuse apparatus include water guide pipe end connection incubator and
The recovery tube that incubator is connect with condenser.
Implement above-mentioned technical proposal, by recovery tube connect in water guide pipe end, and recovery tube runs through incubator,
It is passed through heating device later, when so that the water in aqueduct cooling down film in the water filling layer of chill roll, by film
After heat absorption, the heat absorbed can save in incubator, and be passed through in heating device and add to conduction oil
Heat promotes its feature of environmental protection to save the energy.
In conclusion the advantageous effects of the utility model are as follows:
1. needing film installing ironing device or film thickness changes, need to adjust heating roller and guide roller
When spacing, the Fastener on sliding block is taken out from clamping slot, and the cylinder moving connected between sliding block is controlled by controller,
It by the spacing between the motion hinged sliding block of the telescopic rod of cylinder, is able to adjust the spacing of adjacent heating roller and guide roller, adjust
After the completion of whole, reuse Fastener and fix sliding block with card slot cooperation, later again draw film by unwinding device, pile warp is multiple
Guide roller forms cornerite, so that film is wrapped up heating roller, to promote its working efficiency；
2. will extend band before the spacing to heating roller and guide roller is adjusted and removed from fixed column, so that carrying out
Band disconnects, then is adjusted, and after the completion of adjusting, is arranged by the fixation hole and transmission belt outer surface that extend belt surface setting
Fixed column will extend band and be fixed on transmission belt, while crawler belt reconnected, and length adapts to heating roller and guide roller
The variation of length caused by the adjustment of spacing, to promote its working efficiency；
3. by the recovery tube connected in water guide pipe end, and recovery tube is passed through heating dress through there is incubator later
It sets, when so that the water in aqueduct cooling down film in the water filling layer of chill roll, after the heat absorption of film, institute
The heat of absorption can save in incubator, and be passed through in heating device and heat to conduction oil, so that the energy is saved,
Promote its feature of environmental protection.
Detailed description of the invention
Fig. 1 is the overall structure diagram of BOOP film interval adjustable ironing device provided by the utility model.
Fig. 2 is the partial enlargement diagram of part A in Fig. 1.
Fig. 3 is cross-sectional view of the Fig. 1 along the direction B-B.
Fig. 4 is cross-sectional view of the Fig. 1 along the direction C-C.
In figure: 1, rack；11, heating device；12, water supply device；13, condenser；14, aqueduct；15, waste water reuse
Device；16, incubator；17, recovery tube；2, controller；3, heating roller；31, oiling layer；4, guide roller；5, driving device；51,
Crawler belt；52, transmission belt；53, extend band；54, fixed column；55, fixation hole；6, sliding rail；61, sliding block；62, card slot；63, clamping
Part；64, cylinder；7, oil guide pipe；71, recovery pump；72, return pipe；8, traction device；81, traction electric machine；82, rotating roller；9, cold
But roller；91, layer is filled the water.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, Fig. 2 is a kind of BOOP film interval adjustable ironing device disclosed by the utility model, including machine
3 groups of heating rollers 3 and guide roller 4 are distributed in frame 1 and controller 2 vertically in rack 1, and the two sides of rack 1 are provided with sliding rail 6,
6 sliding blocks 61 are mounted on two wood side-guides 6, heating roller 3 and guide roller 4 are rotationally connected on sliding block 61, in rack 1
Equipped with the driving device 5 that driving heating roller 3 and guide roller 4 rotate, between driving device 5 and heating roller 3 and the shaft of guide roller 4
It is attached by crawler belt 51, crawler belt 51 includes multiple transmission belts 52 and the extension band 53 connected between transmission belt 52, is passing
The outer surface of dynamic band 52 is equipped with fixed column 54,3 fixation holes 55 is offered along its length in extensional surface, in sliding rail 6
On offer multiple card slots 62 along the vertical direction, be equipped on sliding block 61 with card slot 62 cooperate Fastener 63, adjacent
Cylinder 64 is respectively connected between two sliding blocks 61；It is needing film installing ironing device or film thickness changes, need
When adjusting the spacing of heating roller 3 and guide roller 4, the Fastener 63 on sliding block 61 is taken out from clamping slot, will extend band 53 from
It removes in fixed column 54, so that crawler belt 51 disconnects, and is controlled the cylinder 64 connected between sliding block 61 by controller 2 and moved, leads to
The spacing between the motion hinged sliding block 61 of the telescopic rod of cylinder 64 is crossed, is able to adjust between adjacent heating roller 3 and guide roller 4
Away from reusing Fastener 63 and the cooperation of card slot 62 be fixed by sliding block 61, after the completion of adjusting, pass through and extend band after the completion of adjustment
The fixation hole 55 of 53 surfaces setting and the fixed column 54 of 52 outer surface of transmission belt setting, will extend band 53 and are fixed on transmission belt 52
On, while crawler belt 51 is reconnected, and length adapts to length caused by the adjustment of heating roller 3 and 4 spacing of guide roller
Variation, is later again drawn film by unwinding device, and the multiple guide rollers 4 of pile warp form cornerite, and film is made to wrap up heating roller 3.
It leads to solve film by artificial coiling in lacking a fixation on guide roller 4, and in the motion process of film
The problem of gravitation, therefore, as shown in Figure 1, rack 1 close to the side of discharge port be equipped with a traction electric machine 81 and one with
The rotating roller 82 that traction electric machine 81 connects；When film is installed on ironing device, by after the multiple guide rollers 4 of film coiling again
Coiling is in rotating roller 82, so that driving device 5 drives heating roller 3 and guide roller 4 to rotate to drive film around its coiling path
Movement, while traction device 8 also pulls the movement of film, by film tense while its movement can be facilitated, to promote it
Pressing effect.
After film carries out pressing operation, temperature is higher, and film easily deforms in the higher situation of temperature,
Therefore, as shown in Figure 1, being equipped in 1 side of rack for water tower, it is installed with condenser 13 at the top of rack 1, passes through water guide for water tower
Pipe 14 connects condenser 13, while aqueduct 14 is arranged through condenser 13, chill roll 9 is equipped in 1 exit of rack, cold
But water filling layer is offered in roller 9, aqueduct 14 is passed through water filling layer after through condenser 13, and is close to outer surface in water filling layer
Coiling setting, chill roll 9 and rack 1 are rotatablely connected, and are connect with driving device 5, and aqueduct 14 in water filling layer after being discharged
It is connected with incubator 16, incubator 16 is connected with recovery tube 17 far from 14 one end of aqueduct, and recovery tube 17 is far from incubator 16 1
End is passed through heating device 11；When carrying out pressing operation to film, water supply device 12 is passed through water into condenser 13, passes through condensation
The condensation function of device 13 reduces the temperature of water, then water is passed through in water filling layer by aqueduct 14, in the film packet to be plated
When wrapping up in chill roll 9 and being discharged by chill roll 9, water and film carry out heat exchange operation, are able to cool down film, reinforce
To the pressing effect of film, when the water in aqueduct 14 cools down film in the water filling layer of chill roll 9, by the heat of film
After amount absorbs, the heat absorbed can save in incubator 16, and be passed through in heating device 11 and carry out to conduction oil
Heating, to save the energy, promotes its feature of environmental protection.
When due to using electromagnetism to heat heating roller 3 before, energy consumption is huge, and higher cost, therefore, such as
Shown in Fig. 3, Fig. 4, in 3 inner close fitting of heating roller, its outer surface offers oiling layer 31, is equipped with heating device at the top of rack 1
11, heating device 11 is connected with oil guide pipe 7, and oil guide pipe 7 is from top to bottom successively connect with the oiling layer 31 of heating roller 3, is led
Oil pipe 7, which is coiled in oiling layer 31, is close to outer surface setting, and oil guide pipe 7 is connected with recovery pump after 3 pass-out of bottom heating roller
71, return pipe 72 is connected between recovery pump 71 and heating device 11；Conduction oil passes through oil guide pipe after heater is heated
7 are passed through in the oiling layer 31 in heating roller 3, and oiling layer 31 is close to outer surface setting, and oil guide pipe 7 coils set wherein
Set, make its homogeneous heating, temperature adjustment precise control, and have the advantages that heat-transfer effect is good, by by oil guide pipe 7 from top to bottom according to
It is secondary to be connect with heating tube, and recovery pump 71 is connected at its end, then connects recovery pump 71 and heating device 11 by return pipe 72
It connects, it can be recycled, and reused from heating tube by using after the completion in conduction oil, it can
It is energy saving, and the conduction oil recycled is easier to be heated to required temperature, to improve its feature of environmental protection and working efficiency.
The course of work (principle): needing film installing ironing device or film thickness changes, need to adjust plus
When the spacing of hot-rolling 3 and guide roller 4, the Fastener 63 on sliding block 61 is taken out from clamping slot, band 53 will be extended from fixed column
It is removed on 54, so that crawler belt 51 disconnects, and is controlled the cylinder 64 connected between sliding block 61 by controller 2 and moved, passes through cylinder
Spacing between the motion hinged sliding block 61 of 64 telescopic rod is able to adjust the spacing of adjacent heating roller 3 and guide roller 4, adjustment
After the completion, it reuses Fastener 63 and the cooperation of card slot 62 is fixed by sliding block 61, after the completion of adjusting, set by extending 53 surface of band
The fixation hole 55 set and the fixed column 54 of 52 outer surface of transmission belt setting will extend band 53 and be fixed on transmission belt 52, make simultaneously
It obtains crawler belt 51 to reconnect, and length adapts to the variation of length caused by the adjustment of heating roller 3 and 4 spacing of guide roller, later
Film is drawn by unwinding device again, the multiple guide rollers 4 of pile warp form cornerite, so that film is wrapped up heating roller 3, install by film
When on ironing device, further around rolling up in rotating roller 82, driving device 5 will be opened, so that driving after the multiple guide rollers 4 of film coiling
Dynamic device 5 drives heating roller 3 and guide roller 4 to rotate to drive film to move around its coiling path, while traction device 8 also pulls
The movement of film passes through by film tense while capable of facilitating its movement, while by conduction oil after heater is heated
Oil guide pipe 7 is passed through in the oiling layer 31 in heating roller 3, and oiling layer 31 is close to outer surface setting, and oil guide pipe 7 is wherein
Coiling setting, make its homogeneous heating, temperature adjustment precise control, and have the advantages that heat-transfer effect is good, by by oil guide pipe 7 by upper
It is successively connect with heating tube under, and connects recovery pump 71 at its end, then filled recovery pump 71 and heating by return pipe 72
11 connections are set, it can be recycled, and reused from heating tube by using after the completion in conduction oil,
When carrying out pressing operation to film, water supply device 12 is passed through water into condenser 13, by the condensation function of condenser 13, makes water
Temperature reduce, then water is passed through in water filling layer by aqueduct 14, wraps up chill roll 9 in the film that is plated and pass through cooling
When roller 9 discharges, water and film carry out heat exchange operation, are able to cool down film, reinforce leading the pressing effect of film
When water in water pipe 14 cools down film in the water filling layer of chill roll 9, after the heat absorption of film, absorbed
Heat can save in incubator 16, and be passed through in heating device 11 and heat to conduction oil.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of BOOP film interval adjustable ironing device, including rack (1) and controller (2), vertical cloth in rack (1)
It is equipped with several groups heating roller (3) and guide roller (4), heating roller (3) and guide roller (4) are rotationally connected on rack (1), described
The driving device (5) of driving heating roller (3) and guide roller (4) rotation is provided in rack (1), it is characterised in that: the rack
(1) two sides are equipped with vertical sliding rail (6), and the sliding rail (6) is equipped with multiple sliding blocks (61), the heating roller (3) and institute
The both ends for stating guide roller (4) are from top to bottom successively rotationally connected with the sliding block (61) of the rack (1) two sides, the sliding rail (6)
On be equipped with multiple card slots (62) along the vertical direction, the sliding block (61) is equipped with the Fastener (63) that cooperates with card slot (62), phase
It is connected with cylinder (64) between adjacent two sliding blocks (61), the cylinder (64) is electrically connected with controller (2).
2. BOOP film interval adjustable ironing device according to claim 1, it is characterised in that: the driving device
(5) it is connected with crawler belt (51) between the heating roller (3) and the shaft of the guide roller (4), the driving device (5) passes through
The crawler belt (51) drives the heating roller (3) and the guide roller (4), the crawler belt (51) include multiple transmission belts (52) and
The outer surface of the extension band (53) connected between the transmission belt (52), the transmission belt (52) is equipped with fixed column (54), described
Extend band (53) surface and is provided along its length multiple fixation holes (55) with fixed column (54) cooperation.
3. BOOP film interval adjustable ironing device according to claim 1, it is characterised in that: the heating roller
(3) it is offered in oiling layer (31), the oiling layer (31) is close to the outer surface setting of the heating roller (3), the rack (1)
Top is equipped with the heating device (11) of heating conduction oil, and the heating device (11) is connected with oil guide pipe (7), the oil guide pipe
(7) in oiling layer (31) mid-game around setting.
4. BOOP film interval adjustable ironing device according to claim 3, it is characterised in that: the oil guide pipe
(7) it is from top to bottom successively connect with the oiling layer (31) of the heating roller (3), oil guide pipe (7) end is connected with recovery pump
(71), return pipe (72) are connected between the recovery pump (71) and heating device (11).
5. BOOP film interval adjustable ironing device according to claim 4, it is characterised in that: the rack (1)
Close to discharge port side be equipped with traction device (8), the traction device (8) include traction electric machine (81) and with traction electric machine (81)
The rotating roller (82) connected.
6. BOOP film interval adjustable ironing device according to claim 1, it is characterised in that: the rack (1)
Chill roll (9) are equipped at top exit, water filling layer (91), the chill roll (9) and the rack are equipped in the chill roll (9)
(1) it is rotatablely connected, and is connect with the driving device (5).
7. BOOP film interval adjustable ironing device according to claim 6, it is characterised in that: the rack (1)
Side is equipped with water supply device (12), and the water supply device (12) is connected with condenser (13), and the condenser (13), which is connected with, leads
Water pipe (14), the aqueduct (14) are passed through in the water filling layer (91) of the chill roll (9), and the aqueduct (14) is in water filling layer
(91) mid-game is connected with Waster water reuse apparatus (15) after being discharged in water filling layer (91) around setting, the aqueduct (14).
8. BOOP film interval adjustable ironing device according to claim 7, it is characterised in that: the waste water is sharp again
Include the incubator (16) of aqueduct (14) end connection with device (15) and connect incubator (16) with condenser (13)
Recovery tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132794.3U CN209381379U (en) | 2018-12-18 | 2018-12-18 | BOOP film interval adjustable ironing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132794.3U CN209381379U (en) | 2018-12-18 | 2018-12-18 | BOOP film interval adjustable ironing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209381379U true CN209381379U (en) | 2019-09-13 |
Family
ID=67872328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132794.3U Expired - Fee Related CN209381379U (en) | 2018-12-18 | 2018-12-18 | BOOP film interval adjustable ironing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209381379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118269390A (en) * | 2024-06-03 | 2024-07-02 | 河北乐成新材料科技有限公司 | Automatic production equipment and method for precoating film |
-
2018
- 2018-12-18 CN CN201822132794.3U patent/CN209381379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118269390A (en) * | 2024-06-03 | 2024-07-02 | 河北乐成新材料科技有限公司 | Automatic production equipment and method for precoating film |
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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 |
Granted publication date: 20190913 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |