CN110480900A - A kind of continuous preparation device of the micropore foam with release film - Google Patents
A kind of continuous preparation device of the micropore foam with release film Download PDFInfo
- Publication number
- CN110480900A CN110480900A CN201910705736.1A CN201910705736A CN110480900A CN 110480900 A CN110480900 A CN 110480900A CN 201910705736 A CN201910705736 A CN 201910705736A CN 110480900 A CN110480900 A CN 110480900A
- Authority
- CN
- China
- Prior art keywords
- roller
- roll
- micropore foam
- foam
- membrane material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims abstract description 34
- 238000004804 winding Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 230000032258 transport Effects 0.000 claims abstract 2
- 238000010422 painting Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims 2
- 238000009826 distribution Methods 0.000 claims 1
- 210000004379 membrane Anatomy 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005187 foaming Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 210000002469 basement membrane Anatomy 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/008—Handling preformed parts, e.g. inserts
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/30—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—Measuring, controlling or regulating
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/041—Microporous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The continuous preparation device of the invention discloses a kind of micropore foam with release film, including let off roll, unwinding tension controls roller, casting machine, coating system, temperature control channel, winding tension controls roller, conveying roller, microscope carrier, the let off roll includes the first let off roll, second let off roll, the membrane material of micropore foam on first let off roll successively passes through unwinding tension control roller, coating system, temperature control channel, winding tension controls roller, the membrane material of micropore foam on second let off roll successively passes through coating system, temperature control channel, winding tension controls roller, the membrane material of micropore foam on winding tension control roller transports on microscope carrier by conveying roller, the microscope carrier is equipped with the cut-off knife for cutting.
Description
Technical field
The present invention relates to micropore foam preparation technical field, the continuous preparation of specially a kind of micropore foam with release film
Device.
Background technique
Microvoid polyurethane foam is a kind of highdensity polyurethane foam material, typically using the form of mold foaming
It is produced, mixed polyurethane material by two-component casting machine and is injected in mold, wait material solidification molding, then will consolidate
The material changed carries out excision forming.Will use release agent in the process, cutting process can generate powder, and economic and environment-friendly property is poor, and
And mold foaming is batch production, low efficiency forms and needs to carry out thinning process, high rejection rate.
In addition be release film in preparation upper layer and lower layer, when middle layer is the product of foam, due to release film have it is certain hard
Degree, and when middle layer is soft foam, if release film can be caused to rise due to tension when in winding to wind-up roll
A kind of wrinkle, it is therefore desirable to product collection mode of non-winding.
Summary of the invention
The present invention provides a kind of the continuous of the micropore foam with release film aiming at deficiencies of the prior art
Preparation facilities will not generate powder in process of production, and production process is economic and environment-friendly, be able to carry out continuous production operation, improve
Carry out production efficiency, microscope carrier is set in the end of production line, directly foam is cut by cut-off knife, avoids rising for release film
Wrinkle, ensure that product quality.
To achieve the above object, invention provides the following technical solutions:
A kind of continuous preparation device of the micropore foam with release film, it is characterised in that: including let off roll, unwinding tension control
Roller processed, casting machine, coating system, temperature control channel, winding tension control roller, conveying roller, microscope carrier, and the let off roll includes first putting
Winding up roller, the second let off roll, the membrane material of the micropore foam on first let off roll successively pass through unwinding tension control roller, coating
System, temperature control channel, winding tension control roller, and the membrane material of the micropore foam on second let off roll is successively by coating system
System, temperature control channel, winding tension control roller, and the membrane material of the micropore foam on winding tension control roller is transported by conveying roller
On microscope carrier, the microscope carrier is equipped with the cut-off knife for cutting.
Preferably, the conveying roller is equipped in two groups, each group and is equipped with transfer roller, lower transfer roller, micropore foam
Membrane material passes through between upper transfer roller and lower transfer roller.
Preferably, the coating system includes applicator roll, painting cloth-knife, the membrane material of the micropore foam on first let off roll
The membrane material of material and the micropore foam on the second let off roll passes through between applicator roll and painting cloth-knife.
Preferably, the temperature control channel is oven, is equipped with carrying roller in the oven.
Preferably, the tension of the unwinding tension control roller is 0-100kg.
Preferably, the tension of the winding tension control roller is 0-100kg.
Preferably, the temperature in the temperature control channel is 25 DEG C -300 DEG C.
Compared with prior art, advantageous effect of the invention is:
1, the present invention will not generate powder in process of production, and production process is economic and environment-friendly, be able to carry out continuous production work
Industry, raising carrys out production efficiency and polyurethane precursors is applied on substrate by the technique of coating, then carries out one-step method solidification
Molding, final products only need to simply be cut, and simple and quick, rejection rate is low, reduces costs, and improve profit.
2, microscope carrier is arranged in the end of production line in the present invention, is directly cut, is avoided release to foam by cut-off knife
The corrugation of film, ensure that product quality.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: the first let off roll of 1-；2- unwinding tension controls roller；3- casting machine；The second let off roll of 4-；5- painting cloth-knife；6-
Applicator roll；7- oven；701- carrying roller；8- winding tension controls roller；9- conveying roller；10- cut-off knife；11- microscope carrier.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of continuous preparation device of the micropore foam with release film, including let off roll, unwinding tension control
Roller 2 processed, casting machine 3, coating system, temperature control channel, winding tension control roller 8, conveying roller, microscope carrier, and let off roll includes first putting
Winding up roller 1, the second let off roll 4, the membrane material of the micropore foam on the first let off roll 1 successively pass through unwinding tension control roller 2, coating
System, temperature control channel, winding tension control roller 2, and the membrane material of the micropore foam on the second let off roll 4 is successively by coating system
System, temperature control channel, winding tension control roller 8, and the membrane material that winding tension controls the micropore foam on roller 8 is transported by conveying roller 9
It is defeated on microscope carrier 11, microscope carrier 11 is equipped with the cut-off knife 10 for cutting.
First let off roll 1 and the second let off roll 4, for placing coiled membrane material, membrane material can be PP, PET, PVC,
The polymer material of film-form can be made in PE, PTF etc., be also possible to composite membrane, and two or more membrane material is compound
It forms, can be the film or paper of releaseization, be also possible to aluminium film, the metal films such as copper film.The membrane material that first let off roll 1 is placed,
As the substrate of coating, the membrane material that the second let off roll 4 is placed is as coating.
Conveying roller 9 is equipped in two groups, each group and is equipped with transfer roller, lower transfer roller, and the membrane material of micropore foam is from upper
It is passed through between transfer roller and lower transfer roller.
Coating system includes applicator roll 6, painting cloth-knife 5, and the membrane material of the micropore foam on the first let off roll 1 is unreeled with second
The membrane material of micropore foam on roller 4 passes through between applicator roll 6 and painting cloth-knife 5.
Temperature control channel is oven 7, and the temperature in channel can be maintained at 25 DEG C -300 DEG C, can pass through electric heating, water-bath
Heating, the modes such as steam heating are heated, temperature control precision ± 0.1 DEG C.Carrying roller 701, the number of carrying roller 701 are equipped in oven 7
Amount is adjusted according to the length of coating line, and major function is the smooth of maintenance membrane material, can be passive guide roller either actively
Roller.Passive guide roller refers to that roller does not have power source, maintains the smooth of membrane material by frictional force and support force with membrane material, drive roll is
Referring to has power source, reduces the frictional force with membrane material.
Membrane material is controlled into roller 2 around unwinding tension, unwinding tension control roller 2 controls the tension for unreeling material, tension model
Enclose 0-100kg, preferably 0-50kg.The flatness of the size of tension and the tensile strength of membrane material, membrane material is related.Winding tension
The tension for controlling roller 8 is 0-100kg.
Applicator roll 6 constitutes accurate coating system by accurately controlling machining accuracy and running accuracy and painting cloth-knife 5 together.
It can be risen or fallen by adjusting applicator roll 6 or painting cloth-knife 5, control the gap between applicator roll 6 and painting cloth-knife 5, thus
The coating thickness for controlling predecessor, controls the thickness of final products.
Winding tension controls roller 8, controls the tension at winding, tension range 0-100kg, preferably 0-50kg.
Foaming raw material can be poured on coating base material film, can be polyurethane bicomponent foaming raw material by casting machine 3,
It can be one pack system foaming raw material.When using two-component foaming raw material, casting machine has the function of to be stirred.
For example, 50 microns of thickness of PET release film is placed on the first let off roll 1 as basement membrane, as shown in Figure 1, release film
Roller 2, applicator roll 6, carrying roller 701 are controlled by unwinding tension, winding tension controls roller 8, and reaches microscope carrier 11 by conveying roller 9,
50 microns of PET original films of thickness are placed on the second let off roll 4.Polyurethane foam prepolymer is poured on basement membrane by casting machine 3,
Basement membrane is run with constant speed (such as 3m/min), takes polyurethane prepolymer to applicator roll 6, by sheaing knife 5, prepolymer is equal
It is even to be coated on basement membrane.The former film of top is covered on the basement membrane for being coated with prepolymer, can before coating or be coated with
Afterwards.Again by temperature control channel, temperature setting is 60 DEG C, and polyurethane foam prepolymer completes curing reaction in temperature control channel, warp
Winding tension control roller 8 is crossed, the continuous material feeding of such casting machine 3 can continuously produce coiled microporous polyurethane at winding
Foam, final product are cut on microscope carrier 11 by cut-off knife 10.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of continuous preparation device of the micropore foam with release film, it is characterised in that: controlled including let off roll, unwinding tension
Roller (2), casting machine (3), coating system, temperature control channel, winding tension control roller (8), conveying roller (9), microscope carrier (11), described to put
Winding up roller includes the first let off roll (1), the second let off roll (4), and the membrane material of the micropore foam on first let off roll (1) is successively
Roller (8) are controlled by unwinding tension control roller (2), coating system, temperature control channel, winding tension, on second let off roll (4)
Micropore foam membrane material successively pass through coating system, temperature control channel, winding tension control roller (8), winding tension control roller
(8) membrane material of the micropore foam on transports on microscope carrier (11) by conveying roller (9), and the microscope carrier (11) is equipped with for cutting
The cut-off knife (10) cut.
2. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: described defeated
Send roller (9) to be equipped in two groups, each group and be equipped with transfer roller, lower transfer roller, the membrane material of micropore foam from upper transfer roller with
It is passed through between lower transfer roller.
3. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: the painting
Distribution system includes applicator roll (6), painting cloth-knife (5), and the membrane material of the micropore foam on first let off roll (1) is unreeled with second
The membrane material of micropore foam on roller (4) passes through between applicator roll (6) and painting cloth-knife (5).
4. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: the control
Warm channel is oven (7), is equipped with carrying roller (701) in the oven (7).
5. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: described to put
The tension for rolling up tension control roll (2) is 0-100kg.
6. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: the receipts
The tension for rolling up tension control roll (8) is 0-100kg.
7. a kind of continuous preparation device of the micropore foam with release film as described in claim 1, it is characterised in that: the control
Temperature in warm channel is 25 DEG C -300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705736.1A CN110480900A (en) | 2019-08-01 | 2019-08-01 | A kind of continuous preparation device of the micropore foam with release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705736.1A CN110480900A (en) | 2019-08-01 | 2019-08-01 | A kind of continuous preparation device of the micropore foam with release film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110480900A true CN110480900A (en) | 2019-11-22 |
Family
ID=68548961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705736.1A Pending CN110480900A (en) | 2019-08-01 | 2019-08-01 | A kind of continuous preparation device of the micropore foam with release film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110480900A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732082A (en) * | 2002-12-27 | 2006-02-08 | 株式会社加平 | Manufacturing process of polyurethane foam sheet and layered sheet using the same |
| KR100944507B1 (en) * | 2009-10-21 | 2010-03-03 | 권영구 | Manufacturing method for low density polyurethane foam sheet having sealing, shock absorbing and slow rebound properties |
| DE202010007382U1 (en) * | 2010-05-27 | 2010-10-28 | Chou, Lung-Wen, Longjing | Synthetic leather manufacturing device for simultaneously forming the substrate and the plastic layer |
| CN102848513A (en) * | 2012-09-25 | 2013-01-02 | 东莞市帕瑞诗贸易有限公司 | Continuous sponge foaming machine |
| CN206765202U (en) * | 2017-05-19 | 2017-12-19 | 嘉善双杰海绵有限公司 | Continous way sponge foaming device |
| CN107866938A (en) * | 2016-09-26 | 2018-04-03 | 古敦仁 | The continuous applying method of polyurethane foaming layer and superficial layer |
| CN209022475U (en) * | 2018-08-21 | 2019-06-25 | 山东富扬科技包装材料有限公司 | A kind of dry group of answering a pager's call of coating |
| CN210633967U (en) * | 2019-08-01 | 2020-05-29 | 浙江清优材料科技有限公司 | Continuous preparation device of microporous foam with release film |
-
2019
- 2019-08-01 CN CN201910705736.1A patent/CN110480900A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1732082A (en) * | 2002-12-27 | 2006-02-08 | 株式会社加平 | Manufacturing process of polyurethane foam sheet and layered sheet using the same |
| KR100944507B1 (en) * | 2009-10-21 | 2010-03-03 | 권영구 | Manufacturing method for low density polyurethane foam sheet having sealing, shock absorbing and slow rebound properties |
| DE202010007382U1 (en) * | 2010-05-27 | 2010-10-28 | Chou, Lung-Wen, Longjing | Synthetic leather manufacturing device for simultaneously forming the substrate and the plastic layer |
| CN102848513A (en) * | 2012-09-25 | 2013-01-02 | 东莞市帕瑞诗贸易有限公司 | Continuous sponge foaming machine |
| CN107866938A (en) * | 2016-09-26 | 2018-04-03 | 古敦仁 | The continuous applying method of polyurethane foaming layer and superficial layer |
| CN206765202U (en) * | 2017-05-19 | 2017-12-19 | 嘉善双杰海绵有限公司 | Continous way sponge foaming device |
| CN209022475U (en) * | 2018-08-21 | 2019-06-25 | 山东富扬科技包装材料有限公司 | A kind of dry group of answering a pager's call of coating |
| CN210633967U (en) * | 2019-08-01 | 2020-05-29 | 浙江清优材料科技有限公司 | Continuous preparation device of microporous foam with release film |
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