CN105690728B - A kind of efficiently basement membrane tenter - Google Patents
A kind of efficiently basement membrane tenter Download PDFInfo
- Publication number
- CN105690728B CN105690728B CN201610214704.8A CN201610214704A CN105690728B CN 105690728 B CN105690728 B CN 105690728B CN 201610214704 A CN201610214704 A CN 201610214704A CN 105690728 B CN105690728 B CN 105690728B
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- Prior art keywords
- roll
- expanding
- roller
- basement membrane
- roll body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel thereto
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The present invention relates to the processing equipment field of manufacture polytetrafluoroethylene film, and in particular to a kind of efficiently basement membrane tenter.Including at least one group of transverse direction amplitude-expanding device and the longitudinal tensile fixture for being arranged at horizontal amplitude-expanding device rear, the transverse direction amplitude-expanding device includes being provided with the importing rack, expanding rack, the horizontal expanding roller group being arranged in expanding rack of guide-in roller, the transverse direction spreading roll includes multiple horizontal spreading rolls set gradually along basement membrane direction of transfer, the transverse direction spreading roll includes roll body and the roll shaft being arranged on roll body, and the distance from roll body both ends to roll body breast roll dignity to roll shaft becomes larger.Film thickness after expanding is uniform, fenestra is uniform in size, and whole expanding procedure fault rate is low, waste product is few, and quality of finished is high, and by time processing with regard to that can obtain needing the film of thickness, it is energy-efficient.
Description
Technical field
The present invention relates to the processing equipment field of manufacture polytetrafluoroethylene film, and in particular to a kind of efficiently basement membrane expanding
Machine.
Background technology
Due to the self-characteristic of film, to reach the film of fenestra and uniform film thickness, existing polytetrafluoroethylene (PTFE) basement membrane expands
Width is all various using component, and baroque equipment carries out, and equipment is complicated, installation trouble, of high cost, but does not reach preferably
Expanding effect, thick both ends are thin in the middle part of the basement membrane after expanding, and not only final product quality is poor, while easily at both ends during expanding
Drawing crack, the thin hole of pull-out are also uneven.As Authorization Notice No. for " 103071401 A of CN " is disclosed " can online automatic detection
The horizontal W-shaped amplitude-expanding device of the microporous teflon membran of control ", it includes 2-30 laterally W-shaped expanding mechanism, 2-30 horizontal stroke
To W-shaped expanding mechanism transversely stenter stretch section arrange；The W-shaped expanding mechanism of the transverse direction includes upper pressure wheel mechanism with
Pressing wheel mechanism, the part of appliance is more, and the effect of expanding is not all right, obtained polytetrafluoroethylene film equally exist uneven thickness,
The problem of fenestra is uneven, and work efficiency is low, is not energy-saving and environment-friendly.
The content of the invention
The purpose of the present invention is provide a kind of efficiently basement membrane tenter regarding to the issue above.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of efficiently basement membrane tenter, including at least one group of transverse direction amplitude-expanding device and is arranged at horizontal amplitude-expanding device rear
Longitudinal tensile fixture, the transverse direction amplitude-expanding device include being provided with the importing rack of guide-in roller, expanding rack, are arranged at tenter
Horizontal expanding roller group on frame, the transverse direction spreading roll include multiple horizontal spreading rolls set gradually along basement membrane direction of transfer,
The transverse direction spreading roll includes roll body and the roll shaft being arranged on roll body, from roll body both ends to roll body breast roll dignity to roll shaft
Distance becomes larger.
Preferably, the longitudinal tensile fixture includes the heater box with entrance and exit, it is arranged in heater box
The multiple drawing-off deflector rolls being staggered up and down, the first heater box is additionally provided between the importing rack and expanding rack.
Roller longitudinal direction expanding is carried out after being preheated to basement membrane again, is greatly improved expanding efficiency and expanding quality, waste product is few.
Preferably, the guide-in roller is the elliptical shape ball roller one that roll shaft is set along long axis direction, the expanding rack is upper
It is provided between guide-in roller and horizontal expanding roller group for removing electrostatic equipment, it is described to go electrostatic equipment to include stent and upper end extension
Electrostatic cloth is gone on stent, it is described to go electrostatic cloth to be equipped with silver coating at least towards towards the side of guide-in roller, and remove electrostatic
Extreme lower position of the bottom of cloth less than the oval roller one.
Elliptical shape ball roller one includes roll body and the roll shaft being arranged on roll body
Preferably, the transverse direction spreading roll is the elliptical shape ball roller two that is set along long axis direction of roll shaft, and along basement membrane
The elliptical eccentricity that the projection of each elliptical shape ball roller two of direction of transfer in the horizontal plane is formed tapers into.
Preferably, the transverse direction expanding roller group includes multiple elliptical shape ball rollers two for being arranged in guide-in roller rear and multiple rows
It is distributed in the class prismatic ball roller at elliptical shape ball roller rear；And along the direction of transfer of basement membrane, the throwing of each elliptical shape ball roller two in the horizontal plane
The elliptical eccentricity that shadow is formed tapers into, and the distance of top to roll shaft becomes larger in the middle part of each class prismatic ball roller, described
The middle part roll body face of class prismatic roller is arcwall face.
Preferably, it is engaged and linked between the transverse direction spreading roll by the gear being connected on roll shaft.
Preferably, it is described transverse direction spreading roll roll body face on be coated with for ensure roll body face it is smooth help synovial membrane.
Preferably, the position that roll body both ends are corresponded on the roll shaft is provided with the spacing collar for withstanding on roll body end, it is described
Roll body is provided at both ends with limiting stand or limiting slot for coordinating with spacing collar, and one of spacing collar is spirally connected with the roll shaft,
Positioning bar is installed with another spacing collar, the end set of the positioning bar is corresponded on the roll body pluggable positioning bar
Locating slot, the outer surface of the spacing collar is the taper surface with roll body surface engagement, and the roll shaft is provided at both ends with towards roll body
Side is that arcwall face is spacing correction block, described to help synovial membrane to envelope part roll shaft to both ends extension.
Preferably, being provided with heating plate one on the heater box tank wall, time heating is additionally provided with the middle part of the heater box
Case, the heating plate two that heating-up temperature is higher than heating plate one is provided with the secondary heater box tank wall, is opened up in the secondary heater box
Be useful for traversing into or out basement membrane leads mouth.
Preferably, the secondary heater box medial surface is welded on heating chamber interior wall, and respectively offered on upper and lower two tank wall
Two are led mouth, and two on case roof lead two that mouthful spacing is more than on bottom wall and lead a mouthful spacing, corresponding described heating
Two on the case bottom wall centre position lower sections led between mouth are provided with a drawing-off deflector roll, correspond on time heater box case roof
Two lead mouth is each provided with a drawing-off deflector roll above the outside at case center.
In conclusion the invention has the advantages that：
1st, the setting that the application passes through the i.e. oval mallet two of simple central raised horizontal spreading roll and class prismatic ball roller
To first carry out emphasis stretching in the middle part of basement membrane, and using rotation ball roller thus the film same position thickness that pulls out of while stretching and film
Hole is unified, then is that each horizontal spreading roll is by the first flat more and more convex setting in middle part to the end again so that basement membrane can progressively one
Point point is stretched, and ensure that film can be re-fed into longitudinal tensile fixture, to film one in the state of complete by expanding as much as possible
While heat one side longitudinal stretching, basement membrane both sides are subjected to emphasis stretching, the mode of heater box is set again in heater box, realized pair
The film of different-thickness can carry out the effect of Uniform Tension, and secondary heating the temperature inside the box specially is set higher than whole heater box
Bulk temperature, then allow the basement membrane after horizontal expanding slowly by secondary heater box by drawing slowly, basement membrane in heat collection and
Coordinate Uniform Tension under slow draw in stable secondary heater box, fenestra is uniformly pulled out.The basement membrane of pull-out not only uniformly,
Also there is good degreasing effect, while can meet thickness requirement, one-go, waste product is few, and final product quality is high, more energy efficient ring
Protect.Film thickness after final expanding is uniform, fenestra is uniform in size, and whole expanding procedure fault rate is low, waste product is few, quality of finished pole
Height, and by time processing with regard to that can obtain needing the film of thickness, it is energy-efficient.
2nd, since the application is simple in structure, cost is low, easy to process, high in machining efficiency, therefore can also set according to expanding
Need to set gradually multigroup horizontal amplitude-expanding device and longitudinal tensile fixture, send back to first step weight again so as to avoid winding repeatedly
The poorly efficient processing method of expanding, the basement membrane of different-thickness can be processed head in the equipment of the application again, can be by adjusting
Transfer rate and this equipment of different groups of numbers is selected to adjust expanding progress, to reach the good and energy-efficient effect of expanding.
3rd, the application is simple in structure, cost is low, and expanding is efficient.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is longitudinal tensile fixture structure diagram；
Fig. 3 is roll shaft and elliptical shape ball roll structure schematic diagram；
Fig. 4 is roll shaft and class diamond shape ball roll structure schematic diagram.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Embodiment one：
A kind of efficiently basement membrane tenter, including at least one group of transverse direction amplitude-expanding device and is arranged at horizontal amplitude-expanding device rear
Longitudinal tensile fixture, the transverse direction amplitude-expanding device include being provided with the importing rack of guide-in roller 2, expanding rack 1, are arranged at expanding
Horizontal expanding roller group in rack, the transverse direction spreading roll include multiple horizontal expandings set gradually along 10 direction of transfer of basement membrane
Roller 3, the transverse direction spreading roll includes roll body and the roll shaft being arranged on roll body, from roll body both ends to roll body breast roll dignity to roller
The distance of axis 4 becomes larger.Lighting device is additionally provided with rack.
The longitudinal tensile fixture includes the heater box 5 with entrance and exit, is arranged at interlocking up and down in heater box
The multiple drawing-off deflector rolls 6 set.The first heater box 10 is additionally provided between the importing rack and expanding rack.
The guide-in roller is the elliptical shape ball roller one that roll shaft 4 is set along long axis direction, and the expanding rack is upper in guide-in roller
It is provided between horizontal expanding roller group for removing electrostatic equipment, it is described to go electrostatic equipment to hang on branch including stent 71 and upper end
Electrostatic cloth 72 is gone on frame, it is described to go electrostatic cloth to be equipped with silver coating at least towards towards the side of guide-in roller, and go electrostatic cloth
Extreme lower position of the bottom less than the oval roller one.Elliptical shape ball roller one selects more flat ball roller, is introduced into initial importing and drawing
Stretch, the basement membrane of winding, hold when unreeling it is easy to produce static electricity easily punched in transmit process, go electrostatic cloth to directly bear against base after importing
Epilamellar electrostatic is removed on film, ensures that basement membrane is hardly damaged, reduces waste product, improves processing efficiency, it is cost-effective.
The transverse direction spreading roll is the elliptical shape ball roller 28 that roll shaft is set along long axis direction, and each along the direction of transfer of basement membrane
The elliptical eccentricity that the projection of a elliptical shape ball roller two in the horizontal plane is formed tapers into.
The transverse direction expanding roller group includes multiple elliptical shape ball rollers two for being arranged in guide-in roller rear and multiple is arranged in ellipse
The class prismatic ball roller 9 at ball roller rear；And formed along the direction of transfer of basement membrane, the projection of each elliptical shape ball roller two in the horizontal plane
Elliptical eccentricity taper into, the distance of top to roll shaft becomes larger in the middle part of each class prismatic ball roller, the class prismatic
The middle part roll body face of roller is arcwall face.Using the ball roller of two kinds of different structures, in order to more preferably, as much as possible by basement membrane
Portion's stretching is opened, if only with the less and less oval mallet of eccentricity, then need to set more rods to go slowly to be expanded
Width, while the position in bosom is likely to thin not enough, can not meet longitudinal stretching requirement below, may result in pull-out
Film bosom position or relative thick, and the volume of rod also can be increasing, is unfavorable for the saving of cost, the application is later
With class prismatic ball roller, mainly do protrusion arc in the middle part of ball roller, if middle part enough it is raised just can in the middle part of ball roller most in
Between position carry out expanding as much as possible, so as to ensure that the later stage indulges the basement membrane bosom position after stretching with being just as on side
It is even, while also can guarantee that the time processing expanding amount enough to basement membrane, so can also economize on roller amount so that in the middle part of basement membrane into
The little by little stretching of row emphasis, to ensure expanding effect, basement membrane is hardly damaged, obtained film uniformity higher, expanding amount bigger.
It is engaged and linked between the transverse direction spreading roll by the gear being connected on roll shaft.By engagement, an electricity is only needed
Machine drives a roll shaft that the spreading roll can be driven to be driven, and the synchronism of roller is also high while energy saving, improves work efficiency,
Reduce failure.
It is described transverse direction spreading roll roll body face on be coated with for ensure roll body face it is smooth help synovial membrane.
The position that roll body both ends are corresponded on the roll shaft is provided with the spacing collar 11 for withstanding on roll body end, the roll body both ends
The limiting stand 12 or limiting slot for coordinating with spacing collar are provided with, one of spacing collar is spirally connected with the roll shaft, another
Positioning bar is installed with spacing collar, the end set of the positioning bar is corresponded on the roll body the positioning of pluggable positioning bar
Groove, the outer surface of the spacing collar are the taper surface with roll body surface engagement, to ensure between roll body face and taper surface without step,
Form a complete round and smooth entirety.It is that arcwall face is spacing correction block that the roll shaft, which is provided at both ends with towards roll body side,
13, basement membrane sideslip can be prevented by correcting block, while the junction of roll shaft and the miscellaneous part in rack is caught in prevented also from basement membrane,
It is described to help synovial membrane to envelope part roll shaft to both ends extension.
Help synovial membrane that polytetrafluoroethylene film can be selected, help the setting roll surface that not only concedes points of synovial membrane more smooth, beneficial to basement membrane
Transmission and expanding, while it is also ensured that the link position of each component, to prevent basement membrane to be caught in, improves work efficiency, helps cunning
Film also has the effect of stationary roller shaft and roll body, contributes to roll shaft to synchronize rotation with roll body.
Heating plate one is provided with the heater box tank wall, time heater box is additionally provided with the middle part of the heater box, it is described secondary
The heating plate two that heating-up temperature is higher than heating plate one is provided with heater box tank wall, is offered in the secondary heater box for penetrating
Or be pierced by basement membrane leads mouth 16.
The secondary heater box medial surface is welded on heating chamber interior wall, and is respectively offered two on upper and lower two tank wall and led mouth,
Two on case roof, which lead two that mouthful spacing is more than on bottom wall, leads a mouthful spacing, corresponds on the secondary heater box bottom wall
Two lead a drawing-off deflector roll be provided with below centre position between mouth, two on corresponding heater box case roof lead mouth backwards
A drawing-off deflector roll is each provided with above the outside at case center.
Embodiment two：
It is unlike the embodiments above be in the secondary heater box include two the inners be welded in heating chamber interior wall on and
To the undercut flute profile deckle board of setting, two the inners are welded on heating chamber interior wall and between two undercut flute profile deckle boards mirror
Push up batten and sill strip plate, the undercut flute profile deckle board includes side plate and end plate, the top batten and sill strip plate respectively with it is described
The end plate up and down of groove type deckle board flushes, and the heating plate two is arranged on the side plate, the top batten and sill strip plate and phase
Formed between corresponding end plate and lead mouth, the top batten width is more than the top batten width, the lower section of the corresponding top batten
A drawing-off deflector roll is provided with, a drawing-off is each provided with above the end plate at the top of corresponding two undercut flute profile deckle boards
Deflector roll, the heating plate one include multiple small heating plates being staggered.Multiple small heating plates are easy to repair, homogeneous heating, into
This is low.
The application will by the setting that simple central raised horizontal spreading roll is oval mallet two and class prismatic ball roller
First carry out emphasis stretching in the middle part of basement membrane, and using rotation ball roller thus the film same position thickness that pulls out of while stretching and fenestra
It is unified, then be that each horizontal spreading roll is by the first flat more and more convex setting in middle part to the end again so that basement membrane can be more progressively
Point is stretched, and ensure that film can be re-fed into longitudinal tensile fixture, to film on one side in the state of complete by expanding as much as possible
One side longitudinal stretching is heated, basement membrane both sides are subjected to emphasis stretching, the mode of heater box is set again in heater box, is realized to not
The film of stack pile can carry out the effect of Uniform Tension, and secondary heating the temperature inside the box specially is set higher than whole heater box
Bulk temperature, then allows the basement membrane after horizontal expanding basement membrane is in heat collection and steady slowly by secondary heater box by drawing slowly
Coordinate Uniform Tension under slow draw in fixed secondary heater box, fenestra is uniformly pulled out.The basement membrane of pull-out is not only uniform, goes back
With good degreasing effect, while it can meet thickness requirement, one-go, waste product is few, and final product quality is high, more energy efficient environmental protection.
Film thickness after final expanding is uniform, fenestra is uniform in size, and whole expanding procedure fault rate is low, waste product is few, and quality of finished is high,
And by time processing with regard to that can obtain needing the film of thickness, it is energy-efficient.
Claims (3)
- A kind of 1. efficiently basement membrane tenter, it is characterised in that：Including at least one group of transverse direction amplitude-expanding device and it is arranged at horizontal expanding The longitudinal tensile fixture at device rear, the transverse direction amplitude-expanding device include being provided with guide-in roller（2）Importing rack, expanding rack （1）, the horizontal expanding roller group that is arranged in expanding rack, the transverse direction spreading roll includes multiple along basement membrane（10）Direction of transfer according to The horizontal spreading roll of secondary setting（3）, the transverse direction spreading roll includes roll body and the roll shaft that is arranged on roll body, from roll body both ends to Roll body breast roll dignity arrives roll shaft（4）Distance become larger；The longitudinal tensile fixture includes adding with entrance and exit Hot tank（5）, the upper and lower multiple drawing-off deflector rolls being staggered that are arranged in heater box（6）, the importing rack and expanding rack Between be additionally provided with the first heater box（10）；The guide-in roller is roll shaft（4）The elliptical shape ball roller one set along long axis direction, it is described Expanding rack is upper to be provided between guide-in roller and horizontal expanding roller group for removing electrostatic equipment, described to go electrostatic equipment to include Stent（71）It is hung on upper end on stent and goes electrostatic cloth（72）, it is described to go electrostatic cloth at least towards towards the side of guide-in roller Equipped with silver coating, and the bottom of electrostatic cloth is gone to less than the extreme lower position of the oval roller one；It is provided with the heater box tank wall Heating plate one, the heater box middle part are additionally provided with time heater box, and being provided with heating-up temperature on the secondary heater box tank wall is higher than The heating plate two of heating plate one, offers in the secondary heater box and leads mouth for traverse into or out basement membrane（16）；The transverse direction Spreading roll is the elliptical shape ball roller two that roll shaft is set along long axis direction（8）, and exist along each elliptical shape ball roller two of direction of transfer of basement membrane The elliptical eccentricity that projection on horizontal plane is formed tapers into；Or the horizontal expanding roller group is arranged in importing including multiple The elliptical shape ball roller two at roller rear and multiple class prismatic ball rollers for being arranged in elliptical shape ball roller rear（9）；And along the direction of transfer of basement membrane, The elliptical eccentricity that the projection of each elliptical shape ball roller two in the horizontal plane is formed tapers into, top in the middle part of each class prismatic ball roller The distance of roll shaft is held to become larger, the middle part roll body face of the class prismatic roller is arcwall face；The roll body of the transverse direction spreading roll Be coated with face for ensure roll body face it is smooth help synovial membrane；The position that roll body both ends are corresponded on the roll shaft is provided with and withstands on roller The spacing collar in body end portion（11）, the roll body is provided at both ends with the limiting stand for coordinating with spacing collar（12）Or limiting slot, its In a spacing collar be spirally connected with the roll shaft, positioning bar is installed with another spacing collar, the positioning is corresponded on the roll body The end set of muscle has the locating slot of pluggable positioning bar, and the outer surface of the spacing collar is the taper with roll body surface engagement Face, it is that arcwall face is spacing correction block that the roll shaft, which is provided at both ends with towards roll body side,（13）, it is described to help synovial membrane to both ends Extension envelopes part roll shaft.
- A kind of 2. efficiently basement membrane tenter according to claim 1, it is characterised in that：Pass through company between the transverse direction spreading roll The gear being connected on roll shaft is engaged and linked.
- A kind of 3. efficiently basement membrane tenter according to claim 1, it is characterised in that：The secondary heater box medial surface is welded in Heat on chamber interior wall, and respectively offer two on upper and lower two tank wall and lead mouth, two on case roof, which lead mouthful spacing and are more than, to be located at Two on bottom wall lead a mouthful spacing, correspond to two on the secondary heater box bottom wall centre position lower sections led between mouth and are provided with A piece drawing-off deflector roll, two on corresponding heater box case roof lead mouth is each provided with a drawing-off above the outside at case center Deflector roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214704.8A CN105690728B (en) | 2016-04-08 | 2016-04-08 | A kind of efficiently basement membrane tenter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214704.8A CN105690728B (en) | 2016-04-08 | 2016-04-08 | A kind of efficiently basement membrane tenter |
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| CN105690728A CN105690728A (en) | 2016-06-22 |
| CN105690728B true CN105690728B (en) | 2018-04-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690728B (en) * | 2016-04-08 | 2018-04-20 | 浙江绿净环保科技有限公司 | A kind of efficiently basement membrane tenter |
| CN106378925B (en) * | 2016-12-05 | 2018-12-04 | 北京化工大学 | A kind of material two-way stretch device |
| CN112793136B (en) * | 2021-01-27 | 2022-06-24 | 山东森荣新材料股份有限公司 | PTFE nanometer membrane production facility |
| CN115056468B (en) * | 2022-08-15 | 2022-10-28 | 天津市天缘电工材料股份有限公司 | Horizontal stretching mechanism for polyimide film |
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| CN1073225A (en) * | 1991-12-07 | 1993-06-16 | 徐国兴 | The fabric wrinkle-free roll of dyeing machine |
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Address after: 313000 building 10, science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Patentee after: Zhejiang green net environmental protection Polytron Technologies Inc Address before: 313000 building 10, science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Patentee before: ZHEJIANG LUCKING ENVIRONMENTAL PROTECTION CO., LTD. |