KR101797098B1 - Manufacturing method of air skin laminated psp material for preventing lip from being pulled out - Google Patents

Manufacturing method of air skin laminated psp material for preventing lip from being pulled out Download PDF

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Publication number
KR101797098B1
KR101797098B1 KR1020160000342A KR20160000342A KR101797098B1 KR 101797098 B1 KR101797098 B1 KR 101797098B1 KR 1020160000342 A KR1020160000342 A KR 1020160000342A KR 20160000342 A KR20160000342 A KR 20160000342A KR 101797098 B1 KR101797098 B1 KR 101797098B1
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South Korea
Prior art keywords
fabric
coating
coating step
roller
skin layer
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KR1020160000342A
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Korean (ko)
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KR20170042210A (en
Inventor
한봉수
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주식회사 이. 테크
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3415—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated in hot water, e.g. boil pouches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/34—Coverings or external coatings
    • B65D2081/008—

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Wrappers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

[0001] The present invention relates to a method for manufacturing a foamed resin lip cleavage fabric, a method for manufacturing the same, and a food container using the same, and more particularly, The present invention relates to a processing technique of a PSP foamed resin fabric for preventing the fabric from being torn during the production of the foam.

Description

TECHNICAL FIELD [0001] The present invention relates to a method of manufacturing a foamed resin lip cleansing fabric having an air skin layer,

[0001] The present invention relates to a method for manufacturing a foamed resin lip cleavage fabric, a method for manufacturing the same, and a food container using the same, and more particularly, The present invention relates to a processing technique of a PSP foamed resin fabric for preventing the fabric from being torn during the production of the foam.

With the development of civilization, instant instant foods are becoming more and more diverse, and these ready-to-eat foods are usually sold in disposable food containers. In addition, containers made of materials such as foaming resins are being used for various purposes.

Such a food container is generally manufactured in the form of a first sheet fabric and then formed by punching molding. The sheet container is manufactured from such a sheet fabric made of a foamed resin of a polymer material such as polyethylene or polystyrene, Scrap is generated in the punching process. In the punching process, a large amount of dust or powdery scrap is generated, so that foreign substances may be mixed into the container and recycling of scrap is not easy.

In addition, the finally manufactured food container is sold with the opened top surface sealed with a sealing cap. When the buyer removes the sealing cap and opens the food container, the opened upper edge portion of the food container , And the lip area tends to be torn as well, resulting in hygiene problems.

On the other hand, when food is cooked in the food container, various harmful chemicals can be eluted into the food. In particular, foods containing hot oil components elute a large amount of toxic chemicals from the packaging container of the synthetic resin, Some substances are already known as carcinogens, like styrene, but most of them have not been identified.

In addition, residual food or soup residue remains in the food container after all the food stored in the food container is consumed, which is uncomfortable to store the used container, has a bad taste, and has a negative effect on recycling.

In order to overcome this problem, according to Korean Patent Registration No. 10-0283796 (name of the invention: sheet of polyethylene or polypropylene / polystyrene paper / laminate structure of high strength polystyrene, method for producing the same, and noodle container using the same) It has been attempted to prevent the elution of harmful chemicals by bonding substances having different properties to the inside of the container. However, since an adhesive must be involved in order to adhere thereto, the material eluted from the adhesive is also a safety hazard as a suspected hazardous substance, Further, since a separate bonding step is required, there is a problem that time and cost are increased in producing a food container.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a disposable food container having a disposable food container, Scrap is prevented from being excessively generated during molding punching to the fabric, and various harmful substances such as an environmental hormone eluted from the inside of the container during cooking are blocked, and trace marks on the inner surface of the container are minimized And to facilitate the recycling without harming the appearance of the foamed resin.

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In order to solve the above-described problems, the present invention provides a method of manufacturing a fabric 10 made of a foamed resin, wherein the extrusion molding machine 100 includes a fabric 10, while the fabric 10 is fabricated into a paper- A first coating step (S10) of forming an air skin layer (11) on one side of the substrate (10); And a second coating step (S20) in which the coating roller (220) presses the raw material (10) supplied and applied with the raw material for forming the coating layer (12) on the other side of the raw cloth (10) The coating step S10 is a step S11 in which a sizing drum 110 of the extrusion molding machine 100 extrudes the fabric 10 to a predetermined thickness; And a blower 120 provided along the outer circumferential surface of the sizing drum 110 blows air A onto the surface of the raw fabric 10 to be extruded and manufactured to a predetermined thickness, (S12) of forming the air skin layer (11) along the first coating step (S10), wherein the fabric (10) having passed through the first coating step (S10) The second coating step S20 includes a step S21 of pressing the cloth 10 on which the compression rollers 210 provided on the upper and lower sides are loosened; (S22) the coating roller 220 provided at the upper and lower portions pressurizes the raw material for forming the coated layer 12 supplied and applied from the T-die equipment T; Uniformly spreading the fabric 10 including at least one air skin layer 11 formed on one side of the fabric 10 by at least one banana roller 231 (S23); And at least one horizontal roller 232 stretching and planarizing the fabric 10 formed with the air skin layer 11 and the coating layer 12 formed on the other side of the fabric 10 S24, The banana roller 231 is brought into contact with one surface of the cloth 10 on which the air skin layer 11 is sprayed and the horizontal roller 232 is provided so as to face the other surface of the cloth 10 on which the coating layer 12 is formed, The banana roller 231 and the horizontal roller 232 are alternately arranged along the traveling direction of the fabric.

Also, at least one die (DIE) 130 provided along the outer circumferential surface of the extrusion molding machine 100 is controlled so that the raw material 10 is extruded and manufactured in a predetermined pressure range.

The first coating step S10 may include a first aging step S13 in which the fabric 10 having passed through the first coating step S10 is wound by the winder 300 and aged for at least three days. , And the aged fabric (10) is again unwound to proceed to a second coating step (S20).

In addition, the fabric 10 having passed the second coating step S20 is characterized by further comprising a second aging step (S30) in which the fabric 10 is wound by the winder 300 and has an aging period of at least three days .

Also, in the second coating step S20, the coating temperature is controlled to 200 to 260 占 폚, and the thickness of the coating layer is controlled to be 80 to 250 占 퐉.

Also, in the first coating step S10, the fabric 10 is extruded and manufactured in a pressure range of 120 to 180 kgf / m 2 .

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The method of manufacturing a foamed resin lip sealant of the present invention, a method of manufacturing the same, and a food container using the foamed resin lip according to the present invention are characterized in that when opening a sealing cap sealed on an opening face of an upper portion of a food container, it is possible to prevent a large amount of scrap from being produced when the fabric is torn at the lip portion of the food container or by punching the food container from the fabric and the hot water is poured into the food container, It is possible to minimize the residue of the food residue on the inner surface of the food container after the tasting, thereby improving the esthetics and ease of recycling.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an overall cross-sectional view of one embodiment of a foaming resin lipping-preventing fabric and a food container using the same according to the present invention.
FIG. 2 is a process drawing of the entire apparatus for the method of manufacturing the foamed resin licking-off fabric according to the present invention.
FIG. 3 is a process drawing of an apparatus for forming an air skin in the entire apparatus for manufacturing the foaming resin non-lapping fabric of the present invention.
Fig. 4 is a conceptual diagram for forming an air skin layer in the production of the foam lice-nipping fabric of the present invention.
FIG. 5 is a conceptual view showing an embodiment of a second coating step in the foaming resin non-cleavage fabric manufacturing method of the present invention.
FIG. 6 is a conceptual view showing another embodiment of the second coating step in the foaming resin non-cleft fabric manufacturing method of the present invention.
FIG. 7 is a flowchart showing an embodiment of a method for manufacturing a foamed resin lipping-preventing fabric according to the present invention.
Fig. 8 is a flowchart showing another embodiment of the method for manufacturing the foamed resin licking-off fabric according to the present invention.
Fig. 9 is a comparative photograph showing the difference in the amount of remaining food left after the tasting between the food container (right side) made of the foaming resin lippage preventing fabric of the present invention and the conventional food container (left side).

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to the description, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical concept of the present invention.

Throughout this specification, when a member is located on another member, this includes not only the case where a member is in contact with another member but also the case where another member exists between the two members.

Throughout this specification, when an element is referred to as "including" an element, it is understood that it may include other elements as well, without departing from the other elements unless specifically stated otherwise.

The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

In each step, the identification code is used for convenience of explanation, and the identification code does not describe the order of the steps, and each step may be performed differently from the stated order unless clearly specified in the context. have. That is, each of the steps may be performed in the same order as described, or may be performed substantially concurrently or in the reverse order.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. shall.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an overall cross-sectional view of one embodiment of a foaming resin lipping-preventing fabric and a food container using the same according to the present invention.

Referring to FIG. 1, the present invention provides a foamed resin lip cleansing fabric, which is a fabric 10 made of a foamed resin, wherein an air skin layer 11 is formed on one side of the fabric, (12) is formed.

That is, in order to solve the above-described problems, the present invention adopts a method of forming an air skin by spraying air on one side surface of a raw material, which forms an inner region of a container, when producing a fabric for food container production.

A food container, more specifically, a disposable instant noodle (cup noodle) container, a lunch box container or the like, is manufactured by manufacturing a foamed resin cloth and punching the container to prepare a container body and sealing the sealing cap on the opened upper surface.

Polypropylene (PP), polystyrene paper (PSP), high impact polystyrene (HIPS), etc., or any two or more of them may be used as the foaming resin raw material for the fabric Or may be a foamed resin in a mixed or laminated form, and preferably a raw material based on polystyrene paper (PSP) can be used.

The foamed resin fabric 10 of the present invention has an air skin layer 11 for preventing the lip portion corresponding to the rim of the upper surface of the container, which is opened at the time of opening the sealing cap, And a coating layer 12 is formed on the other surface of the outer surface of the container in order to improve the aesthetics, ease of storage and transportation.

Referring to FIG. 1, the present invention is a food container 20 made of a foamed resin fabric, which is manufactured using the foamed resin lip cleansing fabric P, and the surface of the fabric having the air skin layer 11 formed thereon So as to form an inner side surface.

Specifically, the air skin layer 11 coated on one side of the fabric 10 may be coated on the entire one side of the fabric, and when the molding is molded into the container 20, the air skin layer 11 may be coated only on a part of the area corresponding to the lip It is possible.

1, a food container 20 made of a foamed resin fabric is manufactured by using the foamed resin lip cleavage material P, and the foamed resin lip-cleaved fabric P is used as a food container 20, A food container (20) is provided in which a surface is shaped to form an inner surface.

In this case, the air skin layer 11 is further added to the inner side of the container compared to the conventional fabric. However, the thickness of the base fabric can be made thinner so that the increase in the total weight and the cost can be suppressed, It is possible to prevent the lip-cutting phenomenon or the occurrence of scrap and prevent the release of harmful substances and to minimize the residue of food stains on the inner surface of the container after sampling.

FIG. 2 is a process drawing of the whole apparatus for the method of manufacturing the foamed resin licking-off fabric according to the present invention.

As described above, the air skin layer 11 is formed on the surface of the cloth 10 by spraying air on one side of the cloth 10 corresponding to the inner region when the food container is manufactured. On the other hand, (12) is formed.

The present invention relates to a method of manufacturing a fabric 10 made of a foamed resin, wherein the extrusion molding machine 100 includes an air skin layer 10 on one side of the fabric 10 while producing the fabric 10 as a paper- A first coating step (S10) of forming a coating layer (11); And a second coating step S20 in which the coating roller 220 presses the raw material 10 supplied and applied with the raw material for forming the coating layer 12 on the other side of the raw material 10.

Specifically, the first coating step S10 includes a step S11 of extruding the fabric 10 to a predetermined thickness by a sizing drum 110 of the extrusion molding machine 100; And a blower 120 provided along the outer circumferential surface of the sizing drum 110 blows air A onto the surface of the raw fabric 10 to be extruded and manufactured to a predetermined thickness, (S12) of forming the air skin layer (11) along the air skin layer (11).

FIG. 3 is a process drawing of an apparatus for forming an air skin in the entire apparatus for manufacturing the foam lice-nipping-preventing fabric according to the present invention, and shows the overall shape of the extrusion molding apparatus 100. FIG. (11) in the production of the anti-slip fabric.

Meanwhile, at least one die (DIE) 130 provided along the outer circumferential surface of the extrusion molding machine 100 can control the material 10 to be extruded and manufactured in a predetermined pressure range.

That is, when the foaming resin such as polystyrene paper (PSP) is extruded and manufactured, the pressure of the die 130 is controlled by the pressure range of 120 to 180 kgf / m 2. At this time, The effect of forming the air skin layer 11 along the upper surface of the cell 10a existing on the surface of the foamed resin material 10 can be obtained.

FIGS. 5 to 6 are conceptual diagrams showing embodiments of the second coating step S20 of the foaming resin non-cleft fabric manufacturing method of the present invention.

Specifically, in the second coating step S20, the raw material 10 is first supplied to the pressing roller 210, and then the raw material for forming a coating layer is formed on one side of the raw material through the T- And is pressed by the coating roller 220 in a state in which the coating raw material is applied.

6, at least one of the banana rollers 231 and the horizontal rollers 232 may be provided after the second coating step S20 so that the coating layer 12 or the like formed on one side of the fabric 10 may be stretched and / Planarization can be performed. This will be described in detail with reference to the following process types.

The first and second coating steps S10 and S20 described above can be distinguished as an in-line type and an outline type of roll-to-roll, and can be appropriately selected depending on the situation.

The former is a method in which the air skin layer 11 and the coating layer 12 are formed in one continuous process with respect to one surface and the other surface of the raw fabric. The latter is a method in which the air skin layer 11 is formed first A secondary coating operation for forming the coating layer 12 on the other surface after a certain aging period is performed after the coating operation.

The latter outline method has a drawback in that it takes more time and cost, but the coating is more precisely formed through aging time, which is advantageous in terms of quality. In contrast to the inline type of electron, However, the quality is somewhat less accurate.

FIG. 7 is a flowchart showing an embodiment of an in-line method of the foaming resin licking-preventing fabric according to the present invention, and FIG. 8 is a flowchart showing an outline embodiment.

Specifically, in the inline method, the fabric 10 passing through the first coating step S10 is continuously advanced to the second coating step S20, and the second coating step S20 is performed by pressing the upper and lower parts, A step (S21) of pressing the fabric 10 with the roller 210 released; (S22) the coating roller 220 provided at the upper and lower portions pressurizes the raw material for forming the coated layer 12 supplied and applied from the T-die equipment T; Uniformly spreading the fabric 10 including at least one air skin layer 11 formed on one side of the fabric 10 by at least one banana roller 231 (S23); And at least one horizontal roller 232 stretching and planarizing the fabric 10 formed with the air skin layer 11 and the coating layer 12 formed on the other side of the fabric 10 (S24) .

Specifically, in the outline method, in the first coating step S10, the cloth 10 having passed through the first coating step S10 is wound by the winder 300 and aged for at least three days The second coating step S20 includes a first coating step 210 of the upper and lower pressing rollers 210 and 210. The second coating step S20 is a step in which the aged fabric 10 is loosened again, (S21) of pressing the untreated fabric 10; (S22) the coating roller 220 provided at the upper and lower portions pressurizes the raw material for forming the coated layer 12 supplied and applied from the T-die equipment T; Uniformly spreading the fabric 10 including at least one air skin layer 11 formed on one side of the fabric 10 by at least one banana roller 231 (S23); And at least one horizontal roller 232 stretching and planarizing the fabric 10 formed with the air skin layer 11 and the coating layer 12 formed on the other side of the fabric 10 (S24) .

On the other hand, in the inline or outline method, the fabric 10 having passed the second coating step S20 is wound by the winder 300 and has a maturation period of at least three days (S30); .

That is, it is preferable that the raw material forming the coating layer 12 is supplied to the other side of the fabric 10 secondarily and is aged for about 3 to 15 days after it is applied through the coating roller 220 Do.

Meanwhile, in the second coating step S20, the coating temperature is controlled to 200 to 260 占 폚, and the thickness of the coating layer can be controlled to 80 to 250 占 퐉. This is preferable in view of the function of the coating layer 12 and the increase of the entire fabric thickness.

In the above-described manner, a food container such as an instant noodle (cup noodle) container or a lunch box container is manufactured by using an improved foamed resin fabric having an air skin layer on one side and a coating layer formed on the other side, The inner surface of the container is formed with the one surface portion on which the air skin layer 11 is formed and the other surface portion on which the coating layer 12 is formed forms the outer surface of the container. Specifically, the upper heater is controlled in a temperature range of 270 to 330 ° C., the lower heater is controlled in a temperature range of 190 to 250 ° C., and the molding time is controlled to about 5 to 7 seconds.

The sealing cap is sealed on the opened upper surface of the food container, and the sealing cap is sealed in the form of a finished product. In the sealing process of the sealing cap, the sealing condition is controlled in a temperature range of 100 to 140 ° C, 5 kgf / m2, and the sealing time is controlled to about 0.5 to 1.5 seconds.

When the air skin layer is formed so as to cover the surface of the foamed resin formed in a plurality of cell shapes, it is possible to effectively prevent the lip portion of the container from being torn when the sealing cap sealed to the upper surface of the container is opened And it is possible to minimize remaining food stains on the inner surface of the container after sampling the inner food.

10: fabric 11: air skin layer
12: Coating layer 20: Food container
100: extrusion molding machine 110: sizing drum
120: Injector 130: Die
200: coating part 210: compression roller
220: Coating roller 300: Winder
S10: first coating step S20: second coating step

Claims (10)

delete In the method for producing the fabric 10 made of foamed resin,
A first coating step (S10) of forming an air skin layer (11) on one side of the fabric (10) while manufacturing the fabric (10) as a paper-like fabric; And
And a second coating step (S20) in which the coating roller (220) presses the raw material (10) supplied and applied with the raw material for forming the coating layer (12) on the other side of the raw cloth (10)
The first coating step (S10)
A step S11 of extruding the fabric 10 to a predetermined thickness by a sizing drum 110 of the extrusion molding machine 100; And
The blower 120 provided along the outer circumferential surface of the sizing drum 110 blows the air A onto the surface of the raw fabric 10 to be extruded and manufactured to have a predetermined thickness, (S12) of forming the air skin layer 11,
The fabric 10 having passed through the first coating step S10 is continuously advanced to the second coating step S20,
A step (S21) of pressing the cloth 10 with the pressing roller 210 provided at the upper and lower portions thereof;
(S22) the coating roller 220 provided at the upper and lower portions pressurizes the raw material for forming the coated layer 12 supplied and applied from the T-die equipment T;
Uniformly spreading the fabric 10 including at least one air skin layer 11 formed on one side of the fabric 10 by at least one banana roller 231 (S23); And
At least one horizontal roller 232 stretching and planarizing the fabric 10 formed with the air skin layer 11 and the coating layer 12 formed on the other side of the fabric 10 S24,
The banana roller 231 is brought into contact with one surface of the cloth 10 on which the air skin layer 11 is sprayed and the horizontal roller 232 is provided to abut against the other surface of the cloth 10 on which the coating layer 12 is formed , The banana roller (231) and the horizontal roller (232) are alternately arranged along the direction of the fabric.
delete 3. The method of claim 2,
Wherein at least one die (DIE) 130 provided along the outer circumferential surface of the extrusion molding machine 100 controls the extrusion of the fabric 10 to a predetermined pressure range.
delete 3. The method of claim 2,
The first coating step (S10)
And a first aging step (S13) in which the fabric (10) having passed through the first coating step (S10) is wound by a winder (300) and aged for at least three days,
Wherein the aged fabric (10) is unwound again and proceeds to a second coating step (S20). ≪ RTI ID = 0.0 > 11. < / RTI >
3. The method of claim 2,
And a second aging step (S30) wherein the fabric (10) having passed through the second coating step (S20) is wound by a winder (300) and has an aging period of at least three days or more ≪ / RTI >
3. The method of claim 2,
In the second coating step S20,
Wherein the coating temperature is controlled to 200 to 260 캜 and the thickness of the coating layer is controlled to 80 to 250 탆.
3. The method of claim 2,
In the first coating step (S10)
Characterized in that the fabric (10) is extruded in a pressure range of 120 to 180 kgf / m < 2 >.
delete
KR1020160000342A 2015-10-08 2016-01-04 Manufacturing method of air skin laminated psp material for preventing lip from being pulled out KR101797098B1 (en)

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KR102221765B1 (en) * 2019-10-22 2021-03-02 주식회사 이. 테크 Method for Manufacturing a Container that can Easily Wash Contaminants and the Container

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KR19980072159A (en) * 1998-07-27 1998-10-26 신동수 Adhesion Device for Bonding Olefin Film to Foam Sheet for Disposable Container Manufacturing
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* Cited by examiner, † Cited by third party
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KR102221765B1 (en) * 2019-10-22 2021-03-02 주식회사 이. 테크 Method for Manufacturing a Container that can Easily Wash Contaminants and the Container

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