CN105216186B - Preparation method of Hongbao hot-melt adhesive sheet - Google Patents
Preparation method of Hongbao hot-melt adhesive sheet Download PDFInfo
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- CN105216186B CN105216186B CN201510635174.XA CN201510635174A CN105216186B CN 105216186 B CN105216186 B CN 105216186B CN 201510635174 A CN201510635174 A CN 201510635174A CN 105216186 B CN105216186 B CN 105216186B
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- melt adhesive
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 155
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 91
- 238000007493 shaping process Methods 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000010030 laminating Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 36
- 239000007888 film coating Substances 0.000 claims description 32
- 238000009501 film coating Methods 0.000 claims description 32
- 238000004513 sizing Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003475 lamination Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000010345 tape casting Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
A preparation method of a Hongbao hot melt adhesive sheet comprises the following steps: unreeling, primary laminating, turning and conveying, secondary laminating and cooling and shaping to form a hot melt adhesive sheet, wherein the thickness of a first hot melt adhesive film of the primary laminating is 0.05-0.2 mm, and the thickness of a second hot melt adhesive film of the secondary laminating is not more than 1.3 mm; first time drench the membrane to centering net a side earlier, form thinner first hot melt adhesive membrane, then directly carry out the secondary and drench the membrane, form thicker second hot melt adhesive membrane, recooling is stereotyped and is formed the hot melt adhesive film for the port treasure, drench the membrane through twice and form and use the hot melt adhesive as the main part, the hot melt adhesive film for the port treasure that has well screen cloth as the skeleton in, structural strength is high, the wholeness is good, product quality is high, and manufacturing procedure is simple, production efficiency is high.
Description
Technical Field
The invention relates to the technical field of hot melt adhesive port products, in particular to hot melt adhesive port product equipment.
Background
The heel counter is a hard lining material used for supporting and shaping the insides of the upper surfaces of the toe caps and the back upper surfaces of sports shoes, leather shoes and the like.
Hot melt adhesives are also used to form port blocks to replace traditional leather paste port blocks, chemical sheet port blocks and the like. Namely, the hot melt adhesive is heated and extruded to form a sheet material. And heating and softening to form the required shape according to the requirement. In order to enhance the structural strength of the hot melt adhesive harbor treasure, some hot melt adhesive harbor treasures use non-woven fabrics and the like as middle nets. The processing process comprises extruding and combining a hot melt adhesive material, also called as laminating, on the surface of the middle net; or the two side surfaces of the middle net are respectively coated with the films, but the traditional hot melt adhesive port treasure with the two sides coated with the films respectively has the defects of insecure combination, cracking and the like caused by inconsistent physical and chemical properties of the hot melt adhesive films on the two sides of the middle net due to time difference between the two coating processes, and has complex process and low production efficiency.
Disclosure of Invention
Therefore, in order to solve the above problems, a method for preparing a hot melt adhesive sheet for a port is provided, which avoids cracking of the hot melt adhesive sheet for a port, is beneficial to improving the product quality, simplifies the processing procedures, and improves the production efficiency.
A preparation method of a Hongbao hot melt adhesive sheet comprises the following steps:
unreeling, namely unreeling and flattening the middle screen cloth and conveying the middle screen cloth to a position between a press roller and a shaping roller of a first shaping roller set;
first film spraying, namely casting a molten hot melt adhesive material to one side surface of the middle mesh fabric, rolling the middle mesh fabric from the side surface where the hot melt adhesive material is cast by a compression roller of the first sizing roller group, and uniformly covering the hot melt adhesive material to form a first hot melt adhesive film, wherein the thickness of the first hot melt adhesive film is 0.05-0.2 mm;
turning and conveying, namely guiding the turning direction of the middle mesh cloth subjected to primary film coating, adjusting the tension, keeping flat and conveying the middle mesh cloth to a position between a compression roller and a shaping roller of a second shaping roller set;
the second film laminating step, namely extruding and casting a molten hot melt adhesive material to the other side surface of the turned middle mesh fabric for secondary film laminating, rolling the middle mesh fabric from one side surface of the second sizing roller group on which the first hot melt adhesive film is formed, so that the hot melt adhesive material for secondary film laminating is uniformly covered on the other side surface of the middle mesh fabric, cooling the hot melt adhesive material for secondary film laminating by using the sizing rollers of the second sizing roller group to form a second hot melt adhesive film, wherein the thickness of the second hot melt adhesive film is not more than 1.3 mm;
and cooling and shaping, namely simultaneously performing cooling and rolling on two sides of the middle mesh fabric with the second hot melt adhesive film to cool and shape the first hot melt adhesive film and the second hot melt adhesive film to form the hot melt adhesive film.
In one embodiment, in the step of first film coating, the sizing rollers of the first sizing roller set are cooled from one side of the middle mesh fabric which is not covered by the hot melt adhesive.
In one embodiment, in the first film coating step, the temperature of the hot melt adhesive tape to be cast to one side surface of the middle mesh fabric is 130-180 ℃, the cooling temperature of the cooling of the shaping rollers of the first shaping roller set is 5-10 ℃, and the rolling speed of the first shaping roller set is 350 kg/h.
In one embodiment, between the steps of turning over and conveying and secondary film coating, the method further comprises the following steps: and heating, namely heating the turned and conveyed middle screen cloth from the side surface on which the first hot melt adhesive film is formed. The heating temperature is 80-95 ℃.
In one embodiment, in the secondary film coating step, the temperature of the hot melt adhesive tape cast to the other side surface of the middle mesh fabric is 150-200 ℃, the cooling temperature of the cooling of the shaping rollers of the second shaping roller group is 3-5 ℃, and the rolling speed of the second shaping roller group is 350 kg/h.
In one embodiment, in the step of cooling and sizing, a roller body for cooling and rolling is the sizing roller in the step of secondary film covering.
In one embodiment, a mold body is formed on the surface of the shaping roller of the second shaping roller group, the annular direction of the mold body is concavely provided with a mold cavity, and the outer edge of the mold body is concavely provided with a drainage groove; and when the step of secondary film coating is carried out, the hot melt adhesive material coated with the film for the second time is rolled and formed into a hot melt adhesive harbor treasure shape in the die body.
In one embodiment, after the step of cooling and setting, the method further comprises: and (4) cutting, namely cutting the formed hot melt adhesive sheet in the shape of the hot melt adhesive port to prepare the hot melt adhesive port.
In one embodiment, in the step of unwinding, unwinding a first side mesh, and respectively guiding and flattening the first side mesh and a middle mesh and conveying the first side mesh and the middle mesh between a pressing roller and a sizing roller of a first sizing roller set;
in the step of primary film coating, the molten hot melt adhesive material is cast between the middle mesh cloth and the first edge mesh cloth, and the first hot melt adhesive film is formed between the middle mesh cloth and the first edge mesh cloth.
In one embodiment, in the step of secondary lamination, a second edge mesh cloth is introduced, the second edge mesh cloth is introduced from the other side of the middle mesh cloth opposite to the side on which the first hot melt adhesive film is formed, and the secondary lamination is specifically to extrude and cast the molten hot melt adhesive to the other side surface of the turned middle mesh cloth and between the middle mesh cloth and the second edge mesh cloth to perform secondary lamination.
According to the preparation method of the hot melt adhesive sheet for the port treasure, one side face of the middle net is firstly subjected to primary film coating to form a thin first hot melt adhesive film, then secondary film coating is directly performed to form a thick second hot melt adhesive film, the hot melt adhesive film is formed through recooling and shaping to form the hot melt adhesive sheet for the port treasure, the hot melt adhesive sheet for the port treasure is formed through twice film coating and used as a main body, the middle net cloth is arranged in the hot melt adhesive sheet for the port treasure and serves as a framework, the structural strength is high, the integrity is good, the product quality is high, the processing procedure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are only for better understanding of the technical solutions of the present invention, and are not intended to limit the present invention.
A preparation method of a Hongbao hot melt adhesive sheet comprises the following steps:
unreeling, namely unreeling and flattening the middle screen cloth and conveying the middle screen cloth to a position between a press roller and a shaping roller of a first shaping roller set;
first film spraying, namely casting a molten hot melt adhesive material to one side surface of the middle mesh fabric, rolling the middle mesh fabric from the side surface where the hot melt adhesive material is cast by a compression roller of the first sizing roller group, and uniformly covering the hot melt adhesive material to form a first hot melt adhesive film, wherein the thickness of the first hot melt adhesive film is 0.05-0.2 mm;
turning and conveying, namely guiding the turning direction of the middle mesh cloth subjected to primary film coating, adjusting the tension, keeping flat and conveying the middle mesh cloth to a position between a compression roller and a shaping roller of a second shaping roller set;
the second film laminating step, namely extruding and casting a molten hot melt adhesive material to the other side surface of the turned middle mesh fabric for secondary film laminating, rolling the middle mesh fabric from one side surface of the second sizing roller group on which the first hot melt adhesive film is formed, so that the hot melt adhesive material for secondary film laminating is uniformly covered on the other side surface of the middle mesh fabric, cooling the hot melt adhesive material for secondary film laminating by using the sizing rollers of the second sizing roller group to form a second hot melt adhesive film, wherein the thickness of the second hot melt adhesive film is not more than 1.3 mm;
and cooling and shaping, namely simultaneously performing cooling and rolling on two sides of the middle mesh fabric with the second hot melt adhesive film to cool and shape the first hot melt adhesive film and the second hot melt adhesive film to form the hot melt adhesive film.
According to the preparation method of the hot melt adhesive sheet for the port treasure, one side face of the middle net is firstly subjected to primary film coating to form a thin first hot melt adhesive film, then secondary film coating is directly performed to form a thick second hot melt adhesive film, the hot melt adhesive film is formed through recooling and shaping to form the hot melt adhesive sheet for the port treasure, the hot melt adhesive sheet for the port treasure is formed through twice film coating and used as a main body, the middle net cloth is arranged in the hot melt adhesive sheet for the port treasure and serves as a framework, the structural strength is high, the integrity is good, the product quality is high, the processing procedure.
The first hot melt adhesive film formed by first film coating is thin in thickness and easy to form, and has the defects of balanced temperature change and difficult chap generation due to repeated temperature rise and fall when the temperature rises and falls for multiple times such as cooling, heating, re-cooling and the like in subsequent processes. And the second hot melt adhesive film formed by secondary film coating is thicker in thickness and is used as the main body of the hot melt adhesive film for the port treasure. The first hot melt adhesive film and the second hot melt adhesive film form a whole through twice film coating.
In one embodiment, in the step of first film coating, the sizing rollers of the first sizing roller set are cooled from one side of the middle mesh fabric which is not covered by the hot melt adhesive. And cooling the hot melt adhesive material to quickly solidify and form the hot melt adhesive material on the surface of the middle mesh fabric to form a first hot melt adhesive film. The hot melt adhesive sizing material is cooled from one side surface of the middle mesh fabric which is not covered by the hot melt adhesive sizing material, so that the hot melt adhesive sizing material starts to be cooled and formed from one side surface contacting with the middle mesh fabric, and the formed hot melt adhesive film has good adhesion with the middle mesh fabric and is not easy to chap.
In one embodiment, in the first film coating step, the temperature of the hot melt adhesive tape to be cast to one side surface of the middle mesh fabric is 130-180 ℃, the cooling temperature of the cooling of the shaping rollers of the first shaping roller set is 5-10 ℃, and the rolling speed of the first shaping roller set is 350 kg/h. Because the first hot melt adhesive film formed by first film lamination is thinner, the film casting and laminating can be carried out at a lower film lamination temperature, and the film can be cooled and shaped to form a film at a higher cooling temperature.
In one embodiment, between the steps of turning over and conveying and secondary film coating, the method further comprises the following steps: and heating, namely heating the turned and conveyed middle screen cloth from the side surface on which the first hot melt adhesive film is formed. The heating temperature is 80-95 ℃. Before the secondary film coating, the middle mesh cloth conveyed to the overturning device in the overturning mode is heated firstly, so that the first hot melt adhesive film is heated and softened gradually before the secondary film coating, and the phenomenon that the first hot melt adhesive film is heated too fast and is melted again unevenly when the secondary film coating is carried out is avoided.
In one embodiment, in the secondary film coating step, the temperature of the hot melt adhesive tape cast to the other side surface of the middle mesh fabric is 150-200 ℃, the cooling temperature of the cooling of the shaping rollers of the second shaping roller group is 3-5 ℃, and the rolling speed of the second shaping roller group is 350 kg/h. Because the thickness of secondary drenching the membrane is thicker, carry out the curtain coating tectorial membrane with higher temperature, improved the curtain coating film forming speed of second hot melt adhesive membrane, can make first hot melt adhesive membrane remelt again simultaneously and form wholly with second hot melt adhesive membrane. In a similar way, the pressing roller of the second sizing roller group rolls the middle screen cloth from the side surface on which the first hot melt adhesive film is formed, so that the second hot melt adhesive film is well adhered to the middle screen cloth and the first hot melt adhesive film, and the integrity is good.
In one embodiment, in the step of cooling and sizing, a roller body for cooling and rolling is the sizing roller in the step of secondary film covering. This saves production space and equipment costs.
In one embodiment, a mold body is formed on the surface of the shaping roller of the second shaping roller group, the annular direction of the mold body is concavely provided with a mold cavity, and the outer edge of the mold body is concavely provided with a drainage groove; and when the step of secondary film coating is carried out, the hot melt adhesive material coated with the film for the second time is rolled and formed into a hot melt adhesive harbor treasure shape in the die body. During secondary laminating, the hot melt adhesive sizing material is heated and extruded and is rolled and shaped by the shaping roller, the die cavity can be directly filled to form the required hot melt adhesive harbor treasure, and the redundant sizing material flows into the discharge chute along with the extrusion of the shaping roller, thereby not only being beneficial to the quality improvement of the formed harbor treasure product, but also being beneficial to the recycling of the sizing material from the discharge chute to reduce the production cost. So do not need to set up sheet heating and compression molding's station alone, reduced manufacturing procedure, improved production efficiency, practice thrift the production place.
In one embodiment, after the step of cooling and setting, the method further comprises: and (4) cutting, namely cutting the formed hot melt adhesive sheet in the shape of the hot melt adhesive port to prepare the hot melt adhesive port.
In one embodiment, in the step of unwinding, unwinding a first side mesh, and respectively guiding and flattening the first side mesh and a middle mesh and conveying the first side mesh and the middle mesh between a pressing roller and a sizing roller of a first sizing roller set; in the step of primary film coating, the molten hot melt adhesive material is cast between the middle mesh cloth and the first edge mesh cloth, and the first hot melt adhesive film is formed between the middle mesh cloth and the first edge mesh cloth.
In one embodiment, in the step of secondary lamination, a second edge mesh cloth is introduced, the second edge mesh cloth is introduced from the other side of the middle mesh cloth opposite to the side on which the first hot melt adhesive film is formed, and the secondary lamination is specifically to extrude and cast the molten hot melt adhesive to the other side surface of the turned middle mesh cloth and between the middle mesh cloth and the second edge mesh cloth to perform secondary lamination.
Through setting up first limit screen cloth and second limit screen cloth, the precious hot melt film in the port that forms has the well screen cloth as the skeleton in addition to the film, and the surface also has the limit screen cloth to provide protection and support, has further improved the intensity and the surface quality of port hot melt film, is favorable to prolonging hot melt adhesive port precious life.
The above-described embodiments are only preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations should also be construed as not departing from the scope of the present invention.
Claims (9)
1. A preparation method of a Hongbao hot melt adhesive sheet is characterized by comprising the following steps:
unreeling, namely unreeling and flattening the middle screen cloth and conveying the middle screen cloth to a position between a press roller and a shaping roller of a first shaping roller set;
first film spraying, namely casting a molten hot melt adhesive material to one side surface of the middle mesh fabric, rolling the middle mesh fabric from the side surface where the hot melt adhesive material is cast by a compression roller of the first sizing roller group, and uniformly covering the hot melt adhesive material to form a first hot melt adhesive film, wherein the thickness of the first hot melt adhesive film is 0.05-0.2 mm;
turning and conveying, namely guiding the turning direction of the middle mesh cloth subjected to primary film coating, adjusting the tension, keeping flat and conveying the middle mesh cloth to a position between a compression roller and a shaping roller of a second shaping roller set;
the secondary film spraying is carried out, molten hot melt adhesive material is extruded and cast to the other side face of the turned middle mesh fabric to carry out secondary film coating, a compression roller of a second shaping roller set rolls the middle mesh fabric from one side face of a first hot melt adhesive film, so that the hot melt adhesive material coated with the secondary film is uniformly covered on the other side face of the middle mesh fabric, a shaping roller of the second shaping roller set cools the hot melt adhesive material coated with the secondary film to form a second hot melt adhesive film, a mold body is formed on the surface of the shaping roller of the second shaping roller set, a mold cavity is annularly and concavely arranged on the mold body, and a discharge groove is concavely arranged on the mold body outside the mold cavity; when the step of secondary film lamination is carried out, the hot melt adhesive material coated with the film for the second time is rolled and molded in the die body to form a hot melt adhesive port shape, and the thickness of the second hot melt adhesive film is not more than 1.3 mm;
and cooling and shaping, namely simultaneously performing cooling and rolling on two sides of the middle mesh fabric with the second hot melt adhesive film to cool and shape the first hot melt adhesive film and the second hot melt adhesive film to form the hot melt adhesive film.
2. The method for preparing a hot melt adhesive stick for a harbor treasure according to claim 1, wherein the method comprises the following steps: in the step of primary film coating, the shaping rollers of the first shaping roller set are cooled from one side surface of the middle mesh fabric, which is not covered with the hot melt adhesive material.
3. The method for preparing a hot melt adhesive stick for a harbor treasure according to claim 2, wherein the method comprises the following steps: in the step of primary film coating, the temperature of the hot melt adhesive tape from the tape casting to one side face of the middle mesh fabric is 130-180 ℃, the cooling temperature of the cooling of the shaping rollers of the first shaping roller set is 5-10 ℃, and the rolling speed of the first shaping roller set is 350 kg/h.
4. The method for preparing a hot melt adhesive stick for a harbor treasure according to claim 3, wherein the method comprises the following steps: between the step of upset transport and secondary drenching membrane, still include: and heating, namely heating the turned and conveyed middle screen cloth from the side surface on which the first hot melt adhesive film is formed, wherein the heating temperature is 80-95 ℃.
5. The method for preparing a hot melt adhesive stick for a harbor treasure according to claim 4, wherein the method comprises the following steps: in the step of secondary film coating, the temperature of the hot melt adhesive tape from the tape casting to the other side surface of the middle mesh fabric is 150-200 ℃, the cooling temperature of the cooling of the shaping rollers of the second shaping roller group is 3-5 ℃, and the rolling speed of the second shaping roller group is 350 kg/h.
6. The method for preparing a hot melt adhesive stick for a harbor treasure according to claim 5, wherein the method comprises the following steps: in the step of cooling and shaping, a roller body for cooling and rolling is the shaping roller in the step of secondary film covering.
7. The method of making harbor hot melt adhesive sheet according to claim 6, further comprising, after said step of cooling and setting: and (4) cutting, namely cutting the formed hot melt adhesive sheet in the shape of the hot melt adhesive port to prepare the hot melt adhesive port.
8. The method for preparing a hot melt adhesive stick for a harbor treasure according to any one of claims 1 to 7, which is characterized in that:
in the unreeling step, unreeling a first side mesh cloth, respectively guiding and flattening the first side mesh cloth and a middle mesh cloth, and conveying the first side mesh cloth and the middle mesh cloth to a position between a pressing roller and a shaping roller of a first shaping roller set;
in the step of primary film coating, the molten hot melt adhesive material is cast between the middle mesh cloth and the first edge mesh cloth, and the first hot melt adhesive film is formed between the middle mesh cloth and the first edge mesh cloth.
9. The method of preparing a harbor hot melt adhesive sheet according to claim 8, wherein: and in the step of secondary laminating, a second edge mesh cloth is led in, the second edge mesh cloth is led in from the other side, opposite to the side where the first hot melt adhesive film is formed, of the middle mesh cloth, and secondary laminating specifically comprises extruding and casting molten hot melt adhesive to the other side surface of the turned middle mesh cloth and between the middle mesh cloth and the second edge mesh cloth so as to carry out secondary laminating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510635174.XA CN105216186B (en) | 2015-09-30 | 2015-09-30 | Preparation method of Hongbao hot-melt adhesive sheet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510635174.XA CN105216186B (en) | 2015-09-30 | 2015-09-30 | Preparation method of Hongbao hot-melt adhesive sheet |
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| Publication Number | Publication Date |
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| CN105216186A CN105216186A (en) | 2016-01-06 |
| CN105216186B true CN105216186B (en) | 2021-05-28 |
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| CN201510635174.XA Expired - Fee Related CN105216186B (en) | 2015-09-30 | 2015-09-30 | Preparation method of Hongbao hot-melt adhesive sheet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109363296A (en) * | 2018-11-16 | 2019-02-22 | 浙江飞越新材料有限公司 | A kind of hot melt adhesive port is precious and its production method |
| CN109531954B (en) * | 2018-11-16 | 2020-08-18 | 浙江飞越新材料有限公司 | Automatic molding assembly line for port |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936739Y (en) * | 2006-08-10 | 2007-08-22 | 青岛人民印刷有限公司 | Program control drive integral machine for offset press |
| CN204296035U (en) * | 2014-12-08 | 2015-04-29 | 东莞市凌木实业有限公司 | The precious automatic moulding production line in port |
| CN104824914A (en) * | 2015-04-03 | 2015-08-12 | 东莞市捷仕美鞋材有限公司 | Hot melt adhesive cotton hard pad manufacturing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204505472U (en) * | 2015-03-19 | 2015-07-29 | 杭州富丽来装饰材料有限公司 | One leads glue formula anti-overflow cloth glue machine |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936739Y (en) * | 2006-08-10 | 2007-08-22 | 青岛人民印刷有限公司 | Program control drive integral machine for offset press |
| CN204296035U (en) * | 2014-12-08 | 2015-04-29 | 东莞市凌木实业有限公司 | The precious automatic moulding production line in port |
| CN104824914A (en) * | 2015-04-03 | 2015-08-12 | 东莞市捷仕美鞋材有限公司 | Hot melt adhesive cotton hard pad manufacturing method |
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