CN209580542U - A kind of downward-blowing water-cooling blown film system - Google Patents
A kind of downward-blowing water-cooling blown film system Download PDFInfo
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- CN209580542U CN209580542U CN201920108289.7U CN201920108289U CN209580542U CN 209580542 U CN209580542 U CN 209580542U CN 201920108289 U CN201920108289 U CN 201920108289U CN 209580542 U CN209580542 U CN 209580542U
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Abstract
A kind of downward-blowing water-cooling blown film system, it is related to a kind of blown film system, the utility model adjusts film thickness to solve traditional downward-blowing water-cooling inflation film manufacturing machine using lower traction rotation mode, the problem uneven to film thickness adjustment, it includes herringbone clamping plate, stack, dryer, segmenting device, first guide roller, second guide roller, thickness measurement online device, corona machine, wrap-up, at least one set of charging mechanism, at least one set of extruder, die head, magnetism servo-electric motor water-cooling and at least one longitudinal stretching adjustment mechanism, the outlet of the charging mechanism and the entrance of extruder connect, the outlet of extruder and the entrance of die head connect, the outlet of die head is arranged in the magnetism servo-electric motor water-cooling, and the outlet of the entrance and die head of herringbone clamping plate connects, the outlet of herringbone clamping plate is arranged in stack, the outlet of herringbone clamping plate and the entrance of dryer connect, dryer Outlet and the entrance of segmenting device connect, the outlet of segmenting device is connect by the first guide roller with the longitudinal stretching mechanism.
Description
Technical field
The utility model relates to a kind of blown film systems, and in particular to a kind of downward-blowing water-cooling blown film system belongs to Soft Roll installing
Standby field.
Background technique
The blow-up ratio of traditional downward-blowing water-cooling inflation film manufacturing machine is between 1:1 to 2:1, and the degree of orientation is very on transverse and longitudinal for the film of blowout
Film that is small, producing close to the tape casting is in random winding shape since strand in film or the molecule segment degree of orientation are small
State, so film can be a bit weaker in the tensile strength of transverse and longitudinal, and film will not laterally or longitudinally generate the effect easily torn
Fruit cannot produce the film for easily tearing effect.Traditional downward-blowing water-cooling inflation film manufacturing machine adjusts film using lower traction rotation mode
The mode of thickness, actually this adjustment film thickness is not the real thickness for changing film, only that film is partially thick or inclined
Thin point dislocation separates, and does not concentrate on the same straight line of film longitudinal direction, does not solve the problems, such as uneven film thickness fundamentally.
Completely inflation film manufacturing machine needs to be added the opening agent and slipping agent of proper proportion in plastic pellet, after guaranteeing winding in blown film
Adhesion between film, however slipping agent and once controlled with the amount of opening agent bad, the quality of film can be made to there is safety hidden
Suffer from, as slipping agent precipitation leads to problems such as peel strength decline after film and other Film laminateds.
Utility model content
The utility model is to solve traditional downward-blowing water-cooling inflation film manufacturing machine to adjust film thickness using lower traction rotation mode, right
The uneven problem of film thickness adjustment, and then propose a kind of downward-blowing water-cooling blown film system.
The utility model adopts the technical scheme that in order to solve the above problem:
The utility model include herringbone clamping plate, stack, dryer, segmenting device, the first guide roller, the second guide roller,
Thickness measurement online device, corona machine and wrap-up, a kind of downward-blowing water-cooling blown film system further include at least one set of charging mechanism,
At least one set of extruder, die head, magnetism servo-electric motor water-cooling and at least one longitudinal stretching adjustment mechanism, the outlet of the charging mechanism and squeeze
The entrance connection of machine out, the outlet of extruder and the entrance of die head connect, and the outlet of die head, herringbone is arranged in the magnetism servo-electric motor water-cooling
The outer profile of clamping plate is successively tapered from top to bottom, and the outlet connection of the entrance of herringbone clamping plate and die head, stack are arranged in people
The outlet of word clamping plate, the outlet of herringbone clamping plate and the entrance of dryer connect, and the outlet of dryer and the entrance of segmenting device connect
It connects, the outlet of segmenting device is connect by the first guide roller with the longitudinal stretching mechanism, the outlet of the longitudinal stretching mechanism
It being connect by the second guide roller with the entrance of thickness measurement online device, the outlet of thickness measurement online device and the entrance of corona machine connect,
The outlet of corona machine is connect with wrap-up.
Further, the charging mechanism includes charge slot, conveying pipeline, vacuum pump and weight-loss type hopper meter, described
The lower end of weight-loss type hopper meter and the entrance of extruder connect, and the upper end of weight-loss type hopper meter by conveying pipeline and is contained
Hopper connection, vacuum pump are arranged on conveying pipeline.
Further, the quantity of the feeding device is seven groups.
Further, the quantity of the extruder is seven groups, and seven groups of extruders are distributed in die head along the circumferencial direction of die head
Surrounding.
Further, longitudinal stretching adjustment mechanism is by traction roller, pre- hot-rolling, frequency conversion draw roll, hot-pressing roller and cooling roller group
At traction roller, pre- hot-rolling, frequency conversion draw roll, hot-pressing roller and chill roll head and the tail are sequentially connected, the entrance of traction roller and the first guiding
The outlet of roller connects, and the outlet of chill roll is connect with the entrance of the second guide roller.
Further, the longitudinal stretching adjustment mechanism is two groups.
Further, the magnetism servo-electric motor water-cooling includes vane and water-cooling ring, and the vane and water-cooling ring from top to bottom successively cover
On die head.
Further, the outer wall of the vane is laid with multiple adjusting screws along its circumferencial direction.
Further, the top of the water-cooling ring is equipped with inlet opening.
Further, the described device further includes catch basin, and the catch basin is arranged between stack and dryer, is stored
The bottom of sink is equipped with discharge outlet.
The beneficial effects of the utility model are:
The lower traction rotation mode of traditional inflation film manufacturing machine is changed to longitudinal stretching adjustment mechanism by the utility model, wherein drawing
Roller provides pulling force for the advance of cylinder film；Pre- hot-rolling can be by film heating to the elastomeric state of suitable stretching；Frequency conversion draw roll can lead to
It crosses frequency conversion and stretches realization film in the stretching of longitudinal different stretch ratio, when frequency conversion speed is identical as other rollers, traction can be played
Effect；Hot-pressing roller is the steel rider for the surfacing being placed in parallel, and the gap between two rollers can be thin to adjust by manually setting
The effect of the thickness of film；Chill roll can reduce the contact area between film, and can bring between double-layer films in winding
A certain amount of air, it is ensured that adhesion between film unreels naturally；Without proper proportion is additionally added into plastic pellet
Opening agent and slipping agent, the phenomenon that still there is no adhesions between film, reduce costs and eliminate the quality of film
Security risk.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the top view that die head is connect with extruder.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of downward-blowing water-cooling described in present embodiment in conjunction with Fig. 1 and Fig. 2
Blown film system, it includes herringbone clamping plate 11, stack 12, dryer 14, segmenting device 15, the first guide roller 16, second guiding
Roller 22, thickness measurement online device 23, corona machine 24 and wrap-up 25 further include at least one set of charging mechanism, at least one set of extrusion
Machine 5, die head 6, magnetism servo-electric motor water-cooling and at least one longitudinal stretching adjustment mechanism, the outlet of the charging mechanism and entering for extruder 5
Mouth connection, the outlet of extruder 5 are connect with the entrance of die head 6, and the outlet of die head 6, herringbone clamping plate is arranged in the magnetism servo-electric motor water-cooling
11 outer profile is successively tapered from top to bottom, and the entrance of herringbone clamping plate 11 is connect with the outlet of die head 6, and the setting of stack 12 exists
The outlet of the outlet of herringbone clamping plate 11, herringbone clamping plate 11 is connect with the entrance of dryer 14, and the outlet and segmentation of dryer 14 fill
15 entrance connection is set, the outlet of segmenting device 15 is connect by the first guide roller 16 with the longitudinal stretching mechanism, described vertical
Outlet to drawing mechanism is connect by the second guide roller 22 with the entrance of thickness measurement online device 23, and thickness measurement online device 23 goes out
Mouth is connect with the entrance of corona machine 24, and the outlet of corona machine 24 is connect with wrap-up 25.
So set, the problem of adjustable uneven film thickness, the film produced has the high grade of transparency, low temperature folding
Property, stringer easy-to-rupture the advantages that, and be also slightly better than in every mechanical performance the film of traditional inflation film manufacturing machine production.Plastic pellet
In do not have to it is additional opening agent and slipping agent is added, both reduced costs or provided safeguard safely for film quality.
The die head 6 is cylindrical, top be equipped with air inlet 6-1, bottom be equipped with venthole, periphery be equipped with different height with
The corresponding feed inlet of extruder 5 and heating ring, inside are equipped with seven layers of spiral material flow path, and runner finally converges in die orifice.Herringbone
Clamping plate 11 opens and closes angle adjustable, is pinched for stable bubble and by film bubble.Stack 12 is the steel rod and rubber being placed in parallel
Film bubble at can be flattened and be drained air therein, film bubble is made to become a film, pressure adjustable of the rubber rollers to steel rider by roller group；
The segmenting device is provided with the blade that multiple groups are mounted on knife rest, and the distance between blade is adjustable, can be through the cylinder film of tabletting
Two sides trimming, cylinder film is into two pieces.Thickness measurement online device is precision optical instrument, penetrates light using reflection of the light beam on film
With transmission the interference of light principle measurement film thickness, feature be it is non-contact, non-demolition mode measures, the pre-treatment without sample
And mark can be set at unqualified thickness lattice；Corona machine is film surface processing unit, improves film surface tension；Winding system
It is by film with the system for being wound in web-like of certain tension level(l)ing.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, charging mechanism described in present embodiment includes
Charge slot 1, conveying pipeline 2, vacuum pump 3 and weight-loss type hopper meter 4, the lower end of the weight-loss type hopper meter 4 and extrusion
The entrance of machine 5 connects, and the upper end of weight-loss type hopper meter 4 is connect by conveying pipeline 2 with charge slot 1, and vacuum pump 3 is arranged defeated
In expects pipe 2.
The weight-loss type hopper meter can recorde consumption of raw materials amount and carry out pair with the extruder discharge-amount of setting
Than the revolving speed for adjusting extruder screw has reached that constant rice is important to be asked, and it is inclined to can be avoided a certain layer material in PP TYPE
Thin or blocked up phenomenon.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment, the number of feeding device described in present embodiment in conjunction with Fig. 1 and Fig. 2
Amount is seven groups.
So set, the coextruded film of seven kinds of different materials may be implemented, the film produced has the high grade of transparency, low temperature
The advantages that folding resistance, stringer easy-to-rupture.Other compositions and connection relationship are identical with embodiment two.
Specific embodiment 4: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, the quantity of extruder 5 described in present embodiment
It is seven groups, seven groups of extruders 5 are distributed in the surrounding of die head 6 along the circumferencial direction of die head 6.
So set, seven groups of extruders are distributed in the surrounding of die head 6, connection height is successively reduced, in each extruder
Screw rod is different, and screw slenderness ratio is different, screw compression ratio, the depth of thread and flight pitch difference, both for certain spy
Shearing force needed for different plastic pellet and design, the co-extrusions of at most achievable seven kinds of different materials.Other compositions and connection are closed
System is the same as the specific implementation mode 3.
Specific embodiment 5: illustrating present embodiment, the adjustment of longitudinal stretching described in present embodiment in conjunction with Fig. 1 and Fig. 2
Mechanism is made of traction roller 17, pre- hot-rolling 18, frequency conversion draw roll 19, hot-pressing roller 20 and chill roll 21, traction roller 17, pre- hot-rolling
18, frequency conversion draw roll 19, hot-pressing roller 20 and 21 head and the tail of chill roll are sequentially connected, the entrance of traction roller 17 and the first guide roller 16
Outlet connection, the outlet of chill roll is connect with the entrance of the second guide roller 22.
Traction roller 17 is the smooth rubber rollers of two root surfaces that are placed in parallel, provides pulling force for the advance of cylinder film, pre- hot-rolling is
The plane steel rod being relatively large in diameter is internally provided with conduction oil using electric heating, can be by the high-elastic of film heating to suitable stretching
State；Frequency conversion draw roll 19 can by frequency conversion stretch realize film longitudinal different stretch ratio stretching, frequency conversion speed and other
When roller is identical, traction can be played the role of；Hot-pressing roller 20 is the steel rod of two surfacings being placed in parallel, the gap between two rollers
The effect of the thickness of adjustment film can be primarily served by manually setting；The chill roll 21 is the steel that inside is connected with cooling water
Rod surface uses electric carving technology, is designed to distinctive pitted skin effect, and film is under the action of chill roll, the pellicular front that is in contact with it
Equally distributed small quadrangular frustum pyramid shaped can be presented, truncated rectangular pyramids side length is in 2-3um, high 2-3um, and the distance between each terrace with edge is in 2-
3um, such surface effect reduce the contact area between film, and can bring between double-layer films in winding a certain amount of
Air, it is ensured that adhesion before film unreels naturally.Other compositions and connection relationship and one phase of specific embodiment
Together.
Specific embodiment 6: illustrating present embodiment, the adjustment of longitudinal stretching described in present embodiment in conjunction with Fig. 1 and Fig. 2
Mechanism is two groups.
So set, working efficiency can be promoted.Other compositions and connection relationship are identical as specific embodiment one or five.
Specific embodiment 7: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, magnetism servo-electric motor water-cooling described in present embodiment includes
Vane 7 and water-cooling ring 10, the vane 7 and water-cooling ring 10 are from top to bottom successively sleeved on die head 6.
So set, the uniformly outflow below water ring of cooling water energy, for cooling down film.It is other composition and connection relationship with
Specific embodiment one is identical.
Specific embodiment 8: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, the outer wall edge of vane 7 described in present embodiment
Its circumferencial direction is laid with multiple adjusting screw 7-1.So set, the gap for adjusting vane and film bubble.Other compositions
And connection relationship is identical as specific embodiment seven.
Specific embodiment 9: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, water-cooling ring 10 is upper described in present embodiment
Portion is equipped with inlet opening 10-1.If setting, for cooling down water energy uniformly outflow below water ring.It is other composition and connection relationship with
Specific embodiment seven is identical.
Specific embodiment 10: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, the device described in present embodiment further includes
Catch basin 13, the catch basin 13 are arranged between stack 12 and dryer 14, and the bottom of catch basin 13 is equipped with discharge outlet 13-
1.So set, the water for recycling the outflow of water-cooling ring 10.Other compositions and connection relationship are same as the specific embodiment one.
Working principle
By feeding device, plastic pellet is drawn into hopper meter 4, plastic pellet enters extruder by gravity
5, by the shearing of extruder 5 heating and screw rod, plastic pellet is plasticized melting and becomes viscous state, in the work of screw rod shearing pressure
Under, melt enters the helical flow path in die head 6, and seven groups of extruders 5 may be implemented the coextruded film of seven kinds of different materials, and seven kinds
Material converges to be cylindrical in shape in die lip to be extruded, and is blown into film bubble under the action of wind disk internal compressed air.Film bubble passes through water cooling
Ring 10 is cooled, and water is cooling, and subsequently into 11 shaping of herringbone clamping plate, film bubble is squeezed into a film by herringbone clamping plate 11, and cylinder film is rolling
Roller 12 is rolled and is pulled down by dryer 14, and the water of film surface is oven-dried.After the cutting of segmenting device 15, cylinder film is divided
At two panels, by the first guide roller 16, longitudinal stretching adjustment mechanism is then entered under the pulling of traction roller, film first passes around
Become elastomeric state after 2 pre- hot-rollings 18, is stretched under the traction of frequency conversion draw roll 19, film is made to reach the draw ratio of setting
Example, it is stretched after film the case where there may be uneven thickness, hot-pressing roller 20 can be according to the film thickness value of setting
The thickness of stretched film is modified.At this point, film is still in elastomeric state, film after the cooling of chill roll 21,
The surface contacted with roller will become pitted skin effect.Film by the second guide roller 22 from longitudinal stretching adjustment mechanism come out after by
Thickness measurement online device 23, thickness measurement online device 23 detect the thickness of two panels film respectively, and do at the film of unqualified thickness lattice
It marks out.It is handled using corona machine 24 and improves surface tension, last winding system 25 is by thinfilms at web-like.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, according to the technical essence of the utility model, within the spirit and principles of the present invention, to the above embodiments
What simple modifications, equivalent substitutions and improvements etc., within the protection scope for still falling within technical solutions of the utility model.
Claims (10)
1. a kind of downward-blowing water-cooling blown film system, it includes herringbone clamping plate (11), stack (12), dryer (14), segmenting device
(15), the first guide roller (16), the second guide roller (22), thickness measurement online device (23), corona machine (24) and wrap-up (25),
It is characterized by: a kind of downward-blowing water-cooling blown film system further include at least one set of charging mechanism, at least one set of extruder (5),
Die head (6), magnetism servo-electric motor water-cooling and at least one longitudinal stretching adjustment mechanism, the outlet of the charging mechanism and entering for extruder (5)
Mouth connection, the outlet of extruder (5) are connect with the entrance of die head (6), and the magnetism servo-electric motor water-cooling is arranged in the outlet of die head (6), people
The outer profile of word clamping plate (11) is successively tapered from top to bottom, and the entrance of herringbone clamping plate (11) is connect with the outlet of die head (6), pressure
Prolong roller (12) to be arranged in the outlet of herringbone clamping plate (11), the outlet of herringbone clamping plate (11) is connect with the entrance of dryer (14), is dried
The outlet of dry machine (14) is connect with the entrance of segmenting device (15), the outlet of segmenting device (15) by the first guide roller (16) with
The longitudinal stretching mechanism connection, the outlet of the longitudinal stretching mechanism pass through the second guide roller (22) and thickness measurement online device
(23) entrance connection, the outlet of thickness measurement online device (23) are connect with the entrance of corona machine (24), the outlet of corona machine (24)
It is connect with wrap-up (25).
2. a kind of downward-blowing water-cooling blown film system according to claim 1, it is characterised in that: the charging mechanism includes charge
Slot (1), conveying pipeline (2), vacuum pump (3) and weight-loss type hopper meter (4), the lower end of the weight-loss type hopper meter (4)
It being connect with the entrance of extruder (5), the upper end of weight-loss type hopper meter (4) is connect by conveying pipeline (2) with charge slot (1),
Vacuum pump (3) is arranged on conveying pipeline (2).
3. a kind of downward-blowing water-cooling blown film system according to claim 2, it is characterised in that: the quantity of the charging mechanism is
Seven groups.
4. a kind of downward-blowing water-cooling blown film system according to claim 3, it is characterised in that: the quantity of the extruder (5)
It is seven groups, seven groups of extruders (5) are distributed in the surrounding of die head (6) along the circumferencial direction of die head (6).
5. a kind of downward-blowing water-cooling blown film system according to claim 1, it is characterised in that: the longitudinal stretching adjustment mechanism
It is made of traction roller (17), pre- hot-rolling (18), frequency conversion draw roll (19), hot-pressing roller (20) and chill roll (21), traction roller (17),
Pre- hot-rolling (18), frequency conversion draw roll (19), hot-pressing roller (20) and chill roll (21) are sequentially connected from beginning to end, the entrance of traction roller (17)
It is connect with the outlet of the first guide roller (16), the outlet of chill roll (21) is connect with the entrance of the second guide roller (22).
6. a kind of downward-blowing water-cooling blown film system according to claim 1 or 5, it is characterised in that: the longitudinal stretching adjustment
Mechanism is two groups.
7. a kind of downward-blowing water-cooling blown film system according to claim 1, it is characterised in that: the magnetism servo-electric motor water-cooling includes vane
(7) it is from top to bottom successively sleeved on die head (6) with water-cooling ring (10), the vane (7) and water-cooling ring (10).
8. a kind of downward-blowing water-cooling blown film system according to claim 7, it is characterised in that: the outer wall edge of the vane (7)
Its circumferencial direction is laid with multiple adjusting screws (7-1).
9. a kind of downward-blowing water-cooling blown film system according to claim 7, it is characterised in that: the top of the water-cooling ring (10)
Equipped with inlet opening (10-1).
10. a kind of downward-blowing water-cooling blown film system according to claim 1, it is characterised in that: the described device further includes storing
Sink (13), the catch basin (13) are arranged between stack (12) and dryer (14), and the bottom of catch basin (13) is equipped with
Discharge outlet (13-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108289.7U CN209580542U (en) | 2019-01-18 | 2019-01-18 | A kind of downward-blowing water-cooling blown film system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108289.7U CN209580542U (en) | 2019-01-18 | 2019-01-18 | A kind of downward-blowing water-cooling blown film system |
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| CN209580542U true CN209580542U (en) | 2019-11-05 |
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ID=68379901
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| CN201920108289.7U Active CN209580542U (en) | 2019-01-18 | 2019-01-18 | A kind of downward-blowing water-cooling blown film system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901194A (en) * | 2019-12-03 | 2020-03-24 | 江阴升辉包装材料有限公司 | High-strength high-barrier pure water packaging film and electronic crosslinking treatment method thereof |
| CN110901193A (en) * | 2019-12-03 | 2020-03-24 | 江阴升辉包装材料有限公司 | Pure water packaging film convenient to recycle and crosslinking treatment method thereof |
| CN110920091A (en) * | 2019-12-03 | 2020-03-27 | 南京顶顺包装有限公司 | Production process of polyethylene plastic film |
| CN113601828A (en) * | 2021-09-03 | 2021-11-05 | 南京贝迪新材料科技股份有限公司 | LCP film preparation method for controlling temperature film blowing |
| CN114770914A (en) * | 2022-03-24 | 2022-07-22 | 广州市普同实验分析仪器有限公司 | Film bubble shaping device |
-
2019
- 2019-01-18 CN CN201920108289.7U patent/CN209580542U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901194A (en) * | 2019-12-03 | 2020-03-24 | 江阴升辉包装材料有限公司 | High-strength high-barrier pure water packaging film and electronic crosslinking treatment method thereof |
| CN110901193A (en) * | 2019-12-03 | 2020-03-24 | 江阴升辉包装材料有限公司 | Pure water packaging film convenient to recycle and crosslinking treatment method thereof |
| CN110920091A (en) * | 2019-12-03 | 2020-03-27 | 南京顶顺包装有限公司 | Production process of polyethylene plastic film |
| CN113601828A (en) * | 2021-09-03 | 2021-11-05 | 南京贝迪新材料科技股份有限公司 | LCP film preparation method for controlling temperature film blowing |
| CN114770914A (en) * | 2022-03-24 | 2022-07-22 | 广州市普同实验分析仪器有限公司 | Film bubble shaping device |
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| CP01 | Change in the name or title of a patent holder |
Address after: No.358, Airport Road, Daoli District, Harbin City, Heilongjiang Province Patentee after: Harbin Pengcheng New Material Technology Co.,Ltd. Address before: No.358, Airport Road, Daoli District, Harbin City, Heilongjiang Province Patentee before: HARBIN INATI ON PHARMACEUTICAL PACKAGING NEW MATERIAL TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A down-blown water-cooled film blowing system Effective date of registration: 20220824 Granted publication date: 20191105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: Harbin Pengcheng New Material Technology Co.,Ltd. Registration number: Y2022230000052 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230808 Granted publication date: 20191105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: Harbin Pengcheng New Material Technology Co.,Ltd. Registration number: Y2022230000052 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Down Blow Water Cooling Film Blowing System Effective date of registration: 20230814 Granted publication date: 20191105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: Harbin Pengcheng New Material Technology Co.,Ltd. Registration number: Y2023230000068 |