KR101733185B1 - Apparatus for Fabricating the Frefreg Stacking Sheet - Google Patents

Apparatus for Fabricating the Frefreg Stacking Sheet Download PDF

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Publication number
KR101733185B1
KR101733185B1 KR1020150146303A KR20150146303A KR101733185B1 KR 101733185 B1 KR101733185 B1 KR 101733185B1 KR 1020150146303 A KR1020150146303 A KR 1020150146303A KR 20150146303 A KR20150146303 A KR 20150146303A KR 101733185 B1 KR101733185 B1 KR 101733185B1
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KR
South Korea
Prior art keywords
sheet
pair
laminated
base
reciprocating
Prior art date
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KR1020150146303A
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Korean (ko)
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KR20170046025A (en
Inventor
황중국
서응수
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황중국
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Priority to KR1020150146303A priority Critical patent/KR101733185B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • B32B37/0053—Constructional details of laminating machines comprising rollers; Constructional features of the rollers
    • 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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure

Abstract

A prepreg laminated sheet production apparatus is provided.
The present invention relates to an apparatus for producing a laminated sheet by continuously laminating a cut sheet having both ends cut on a base sheet, the apparatus comprising: a pair of left and right spaced- A pair of horizontal bosses, which are provided so as to be capable of reciprocating along the horizontal bands and on which at least one cutting sheet is stacked, A sheet conveying unit that includes a first driving member that provides power for reciprocating the reciprocating unit so as to be returned to the stacking position where the sheets are stacked; And a cylinder member connected to the rod end and connected to the rod so as to move the adsorption column up and down. The adsorption apparatus according to claim 1, And a second driving member for providing power to rotate the cylinder base connected to the cylinder member with respect to the vertical axis, and stacking the cutting sheet on the upper surface of the base sheet.

Figure R1020150146303

Description

[0001] Apparatus for Fabricating the Frefg Stacking Sheet [0002]

The present invention relates to an apparatus for producing a laminated sheet in which prepreg sheets are laminated, and more particularly to a laminated sheet obtained by laminating continuous sheets of cut sheets having both ends cut on the upper surface of a continuous substrate sheet so that the fibers are cross- The present invention relates to a prepreg laminated sheet producing apparatus capable of laminating prepreg sheets in multiple layers and automating a process for producing a composite material, while reducing defective products due to poor bonding.

In general, a prefreg is an intermediate substrate for a fiber-reinforced composite material, which is a molding material preliminarily impregnated with a matrix resin in the reinforcing fiber.

These prepregs are laminated in multiple layers and heated and pressed to cure the resin, thereby producing a molded article which can be used for various purposes. In accordance with the arrangement of reinforcing fibers such as glass fibers and carbon fibers arranged in the resin, The prepreg and the cross prepreg can be distinguished.

On the other hand, among the prepregs as the polymer fiber reinforced composite material, the structural continuous fiber composite material pursuing high performance has been limited to the space and aviation industry due to the expensive processing cost due to the difficulty in automation, Productivity-oriented reinforced engineering plastics, such as discontinuous fiber composite materials, are mainly injection molded products, securing the market for electronics and electric parts.

However, in large markets such as automobiles, construction, and general durability machinery parts, a product family with intermediate performance of these two materials is required. For this purpose, reinforcing fibers 10 to 100 times longer than discontinuous fiber composites There has been a demand for a technique for manufacturing a multi-axial prepreg laminated sheet which is one-way prepreg-free intermediate product of continuous reinforcing fiber composite material and which has a higher degree of processability that is lacking in the one-way prepreg.

(Patent Document 1) KR0959389 B1

Patent Document 1 discloses a method for producing a tape-like sheet by removing a release paper from a unidirectional prepreg sheet, cutting the unidirectionally reinforced fiber sheet into a tape form, placing the cut tape on a release paper so as to be spaced apart from the release paper, Shaped prepreg sheet obtained by cutting at least one tape array adhesive sheet on one side of a unidirectional prepreg sheet obtained by cutting the sheet according to a designed angle and impregnating a thermosetting resin, and a manufacturing method thereof.

However, such a conventional manufacturing method has a limitation in producing at least two or more prepreg sheets in which the carbon fibers and the reinforcing material are arranged at different arranging angles, in a multilayered manner to produce a composite material.

In addition, continuous automatic processes are difficult, and since the defective ratio due to defective junction is high, product yield is low and manufacturing cost is low.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method of manufacturing a composite material, which can stack prepreg sheets in multiple layers such that the fibrous materials are cross- And to provide a prepreg laminated sheet production apparatus capable of reducing product defects due to poor bonding.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

As a specific means for achieving the above object, a preferred embodiment of the present invention is an apparatus for producing a laminated sheet by successively laminating a cutting sheet having both ends cut on a base sheet, the apparatus comprising: And a pair of left and right horizontal bars spaced apart from each other at a predetermined interval on the base sheet so as to be able to reciprocate along the horizontal band and having at least one cut sheet stacked thereon, And a first driving member for reciprocating the reciprocating unit so as to move the reciprocating unit forward or backward to a stacking position where the substrate sheet is stacked, ; And a cylinder member connected to the rod end and connected to the rod so as to move the adsorption column up and down. The adsorption apparatus according to claim 1, And a sheet stacking portion for stacking the cut sheet on the upper surface of the substrate sheet, the sheet stacking portion including a second driving member for providing power for rotating the cylinder base connected to the cylinder member with respect to the vertical axis, A laminated sheet production apparatus is provided.

Preferably, the reciprocating unit is fixed to a connecting object connecting a pair of left and right moving metabolism, and the pair of left and right moving units include a pair of left and right sliders which are slidably assembled to the pair of right and left guide rails.

Preferably, the driving shaft of the first driving member is screwed to a female thread portion of a screw block fixed to one of the pair of left and right moving bases, and is fixed to one of the horizontal bases of the pair of right and left horizontal masses And is connected to a screw shaft of a predetermined length rotatably supported at both ends by a pair of bearing blocks.

Preferably, the reciprocating unit includes a rectangular frame having a plurality of transverse members and a bottom member on which the longitudinal members are intersected to raise the cutting sheet.

Preferably, the adsorbing table includes a pair of right and left guide bars assembled in a guide hole formed through the cylinder base to function to move up and down.

Preferably, the substrate sheet includes an infeed part having upper and lower infeed rotating rolls which are rotated in a direction to interlock with each other so that the substrate sheet unwound from the substrate sheet wound in roll form enters and passes in one direction.

Preferably, the conveyor unit rotates the plurality of rotary rolls on which the base sheet is mounted, in one direction.

Preferably, the preheating portion includes preheating means for preheating the laminated sheet by arranging upper and lower preheating rotary rolls which are rotated in a direction in which the laminated sheets having the laminated sheet stacked thereon enter and pass through in one direction.

Preferably, the base sheet includes a plurality of upper and lower laminating rotary rolls which are rotated in a direction in which the laminated sheets having the cut sheets stacked thereon enter and pass through in one direction, thereby pressing the laminated sheets.

Preferably, there is provided an upper and lower out-feeding rotary roll which is rotated in a direction in which the laminated sheets having the laminated sheet laminated thereon are passed through in one direction, and the laminated sheet is rolled up in the form of a roll, And an out-feeding section for forming an out-

The present invention as described above has the following effects.

(1) It is possible to reduce the cost of manufacturing expensive composite materials by automating the process of producing at least two or more prepreg sheets by layering them in multiple layers in the thickness direction so that the fibrous materials such as carbon fibers are arranged at different arranging angles And can be mass-produced, thus reducing manufacturing cost.

(2) Since it is possible to precisely carry out the operation of successively laminating the cutting sheets whose both ends are sloped and cut on the base material sheet proceeding in one direction in the longitudinal direction of the base material sheet, the product defective rate due to the defective sheet bonding can be lowered, The product yield can be increased and the reliability of the product can be increased.

1 is a front view showing a prepreg sheet laminating apparatus according to a preferred embodiment of the present invention.
2 is a plan view showing a prepreg sheet laminating apparatus according to a preferred embodiment of the present invention.
3 is a side view showing a prepreg sheet laminating apparatus according to a preferred embodiment of the present invention.
4 is a schematic view showing a laminated sheet production line to which a prepreg sheet laminating apparatus according to a preferred embodiment of the present invention is applied.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention.

The same reference numerals are used for portions having similar functions and functions throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to include an element does not exclude other elements unless specifically stated otherwise, but may also include other elements.

1 to 3, the prepreg sheet laminating apparatus 100 according to the preferred embodiment of the present invention includes a prepreg base sheet (hereinafter referred to as a base sheet) S ) S1 (hereinafter referred to as a cut sheet), which is formed by cutting a prepreg sheet sloped at both ends thereof, in the longitudinal direction of the base sheet so as to form a prepreg-reinforced laminated sheet, And a sheet stacking unit 120. The sheet stacking unit 120 includes a sheet-

The sheet conveying unit 110 includes a horizontal table 111, a reciprocating table 115, and a first driving member 116 so as to transfer the sheet S1, which is an object of stacking, can do.

The horizontal base 111 is a pair of left and right frame structures that are spaced apart from each other at a predetermined interval on a straight upper portion of the base sheet S so as to be orthogonal to the longitudinal direction of the base material sheet S proceeding in one direction.

The pair of left and right horizontal belts 111 are provided on a plurality of vertical belts 111a vertically provided on both sides of the conveyor unit for conveying the base sheet in one direction so as not to interfere with the conveyor unit and the base sheet .

At least one cut sheet S1 to be stacked is placed on the upper surface of the substrate sheet 115 to be reciprocally movable along the horizontal table 111 in a direction perpendicular to the longitudinal direction of the substrate sheet .

The carriage 115 is fixedly mounted on a connecting rod 114a connecting between a pair of left and right moving bars 114. The pair of right and left moving bars 114 are connected to the pair of left and right horizontal bars 111 And a pair of left and right sliders 113 which are slidably movably assembled to the rails 112.

Here, the reciprocating belt 115 may be formed of a rectangular frame 115a having a bottom body on which the plurality of transverse members 115b and the longitudinal members 115c intersect to lift the cutting sheet.

The first driving member 115 is moved along the guide rail of the horizontal stand so that the carriage 115 on which the cutting sheet S1 is placed is positioned directly above the base sheet S And a motor member for reciprocating the reciprocating table 115 along the guide rails of the horizontal table so as to be moved forward or backward to the loading position where the base sheet S1 is loaded.

The driving shaft of the first driving member 116 is screwed to the female threaded portion of the threaded block 117a fixed to one of the left and right moving belts 112 and the pair of left and right horizontal belts 112 And a pair of bearing blocks 117b fixed to any one of the horizontal bores 117b. The screw shaft 117 is rotatably supported at both ends thereof.

Accordingly, when the screw shaft 117 is rotated in the forward direction by the forward driving of the first driving member 116, the movable block is connected to the screw block 117a screwed thereto, When the carriage 115 is positioned directly above the base sheet so that the center of the base sheet and the width center of the base sheet are aligned with each other, The rotational driving of the driving member 116 is temporarily stopped, and the reciprocating unit is positively positioned.

Further, the cutting sheet loaded on the reciprocating table 115 is sucked by the vacuum adsorption force of the adsorbent, which will be described later, and then the adsorbed cut sheet is separated from the reciprocating conveyor by the upward movement of the cylinder member described later.

In this state, in order to perform an operation of stacking the cutting sheet S1 spaced upward by the reverse rotation of the screw shaft by the reverse rotation drive of the first driving member 116 on the base sheet S, The other cut sheet is lifted up while the operation of stacking the cut sheet on the base sheet is carried out on the reciprocating carriage which is returned backward.

The sheet stacking unit 120 is provided with a suction table, a cylinder member, and a second driving member (not shown) so as to stack the cutting sheet S1, which has been transferred to the upper portion of the base sheet by the reciprocating table, .

The adsorption unit 121 includes a plurality of adsorption members 121a for adsorbing the cutting sheet loaded on the reciprocating unit 115, which has been moved forward so as to be positioned directly above the substrate sheet, as a vacuum adsorption force.

The suction member 121a is connected to a vacuum suction line and is in contact with the surface of the cut sheet to adsorb and fix the cut sheet as a vacuum suction force.

The cylinder member 122 is vertically installed on the cylinder base 123 so that the adsorption bands are connected to the center of the adsorption bands 121 and the rod ends, Cylinder.

The adsorption table 121 includes a pair of left and right guide bars 124 assembled to vertically move in a guide hole 124a formed in the cylinder base 123.

The second driving member 126 may be a rotating motor member that provides the power for rotating the cylinder base 123 connected to the cylinder member 122 with the adsorption table 121 by a predetermined angle with respect to the vertical axis .

The cylinder base 123 is engaged with the fixing bar 125a of the motor base 125 connected to the driving shaft of the second driving member 126 so that the suction base 121 is rotated by the rotational driving force of the second driving member. The motor base 125 rotates together with the motor base 125 to rotate the motor base 125 at a predetermined angle.

The second driving member 126 is fixed to the horizontal frame 127 such that the second driving member 126 is aligned with the traveling direction center of the base sheet and the horizontal frame 127 is fixed to the vertical frame 127a.

The cutting sheet S1 loaded on the reciprocating table 115 is attracted and fixed by the vacuum suction force generated at the end of the suction member 121a which is lowered by the lowering operation of the cylinder member 122, The cutting sheet S1, which is fixed by suction to the member, is raised to be spaced from the reciprocating member 115 by the upward and downward movement of the cylinder member.

Then, in a state in which the reciprocating plate in which the cutting sheet S1 is spaced apart is moved back to the original position by the reverse rotational driving force of the first driving member 116, And the edges are rotated at an angle so as to coincide with both side edges of the substrate sheet.

 The cutting sheet S1 is rotated at a predetermined angle together with the adsorption bands. The cutting sheet S1 is rotated by a lowering operation of the cylinder member so that the front end and the rear end of another cut sheet stacked on the upper surface of the base sheet in the pre- And then laminated.

At this time, the vacuum adsorption force applied to the adsorption member 121a is released and the adsorption table 121 is raised and returned by the upward and downward movement of the cylinder member 122. At the same time, Thereby returning to the home position.

On the other hand, the prepreg sheet laminating apparatus 100 having the above-described configuration is constituted such that, as shown in Fig. 4, in order to advance the base sheet trolley 1 rolled up in the form of a roll in one direction, A first frame 82 for rotatably supporting both ends of an upper and lower infeed rotary roll 81 which is rotated in a direction to be engaged with each other so as to enter the base sheet S unrolled from the sheet roll 1 and to pass in one direction And an infeeding portion 80 having a plurality of openings.

The second frame (12) rotatably supports both ends of a plurality of rotary rolls (91) on which the base sheet (S) is placed so that the base sheet is allowed to advance or stop in one direction in the exit side of the infeeding part 92).

 The conveyor unit 90 is provided with a power transmitting member such as a chain member or a belt member connected to one end of the rotating roll so as to drive the plurality of rotating rolls 91 to rotate in the same rotating direction (clockwise direction in the drawing) And driving means for driving the power transmitting member.

The conveyor portion 90 includes a preheating portion 130 for preheating the laminated sheet S2 in which the cut sheet S1 is continuously stacked in the longitudinal direction on the upper surface of the base sheet S .

The preheating unit 130 includes a third frame 132 for rotatably supporting left and right ends of the upper and lower preheating rotary rolls 131 that are rotated in a direction to engage with each other so as to enter the laminated sheet S2, ).

The laminating unit 140 includes a laminating unit 140 for pressurizing and preheating the preheated laminated sheet S2 while passing through the upper and lower preheating rotary rolls 131 on the exit side of the preheating unit 130.

The laminating unit 140 includes a fourth frame (not shown) rotatably supporting both ends of a plurality of upper and lower laminating rotary rolls 141 that are rotated in a direction in which the laminated sheet S2 enters and passes in one direction 142).

Finally, in order to form the trolls 2 by lamination, the laminated sheet passing through the laminating portion enters the exit side of the laminating unit 140, and is wound around the laminated sheet so as to pass in one direction And a fifth frame 152 for rotatably supporting both ends of the upper and lower out-feeding rotary rolls,

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

110: sheet transfer
111: Horizontal band
112: guide rail
113: Slider
114:
115: Shuttle
116: first driving member
117: Screw shaft
120: Sheet lamination part
121:
122: cylinder member
123: cylinder base
124: Information Bar
125: Motor base
126: second driving member
127: Horizontal frame
S: substrate sheet
S1: cutting sheet
S2: Laminated sheet

Claims (10)

An apparatus for producing a laminated sheet by successively laminating a cutting sheet having both ends cut on a base sheet,
And a pair of left and right horizontal bars spaced at a predetermined interval from the base sheet so as to be orthogonal to the longitudinal direction of the base sheet and being reciprocally movable along the horizontal band, And a first driving member provided with a reciprocating unit and provided with a power for reciprocating the reciprocating unit so that the reciprocating unit is positioned immediately above the substrate sheet or for reciprocating the reciprocating unit to be returned to a stacking position where the substrate sheet is stacked A sheet conveying unit for conveying the cut sheet;
And a cylinder member connected to the rod end and connected to the rod so as to move the adsorption column up and down. The adsorption apparatus according to claim 1, And a second driving member for providing power to rotate the cylinder base connected to the cylinder member with respect to the vertical axis, and stacking the cutting sheet on the upper surface of the base sheet,
Wherein the reciprocating unit is fixed to an object to be coupled to a pair of left and right moving metabolisms, and the pair of left and right moving units are provided with a pair of left and right sliders which are slidably assembled to the pair of right and left guide rails,
Wherein a driving shaft of the first driving member is screwed to a female threaded portion of a screw block fixed to one of the pair of left and right moving bases and a pair of bearings fixed to one of the horizontal frames of the left and right horizontal masses Wherein the block is connected to a screw shaft having a predetermined length at which both ends are rotatably supported by the block. delete delete The method according to claim 1,
Wherein the reciprocating unit includes a rectangular frame having a plurality of transverse members and a bottom member on which the longitudinal members are crossed to lift up the cut sheet. The method according to claim 1,
Wherein the adsorption unit includes a pair of right and left guide bars which are assembled to be vertically movable on a guide hole formed through the cylinder base. 6. The method according to any one of claims 1 to 5,
And an infeed part having upper and lower infeed rotating rolls rotated in a direction to interlock with each other so that the substrate sheet that has been unwound from the substrate sheet wound in a rolled state enters the substrate sheet and passes in one direction, Prepreg laminated sheet production apparatus. 6. The method according to any one of claims 1 to 5,
And a conveyor portion for rotating the plurality of rotary rolls on which the base sheet is mounted, in one direction. 6. The method according to any one of claims 1 to 5,
And a preheating unit for preheating the laminated sheet by arranging upper and lower preheating rotary rolls which are rotated in a direction to engage with each other so that the laminated sheets having the laminated sheets laminated on the base sheet are passed through in one direction to pass in one direction, Sheet manufacturing apparatus. 6. The method according to any one of claims 1 to 5,
And a laminating unit for pressing the laminated sheet with a plurality of upper and lower laminating rotary rolls which are rotated in a direction in which the laminated sheets having the cut sheets stacked thereon enter and pass in one direction so as to pass in one direction, Sheet manufacturing apparatus. 6. The method according to any one of claims 1 to 5,
An upper and a lower outfeed rotating rolls which are rotated in a direction to be engaged with each other so that the laminated sheets having the cut sheets stacked on the base sheet enter in one direction and are wound in the form of rolls to form trolls Wherein the prepreg laminated sheet comprises a feeding part.
KR1020150146303A 2015-10-20 2015-10-20 Apparatus for Fabricating the Frefreg Stacking Sheet KR101733185B1 (en)

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CN108480810A (en) * 2018-03-22 2018-09-04 刘影 A kind of hot press for household electrical appliances manufacture
CN108579451B (en) * 2018-06-05 2023-08-11 天津坤盛英泰科技有限公司 Filtering membrane processing equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101351639B1 (en) 2012-02-10 2014-01-27 (주)신세계엔지니어링 Conveyor apparatus
KR101472911B1 (en) 2013-07-08 2014-12-16 주식회사 리텍 Sheet-to-roll laminator having rewinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101351639B1 (en) 2012-02-10 2014-01-27 (주)신세계엔지니어링 Conveyor apparatus
KR101472911B1 (en) 2013-07-08 2014-12-16 주식회사 리텍 Sheet-to-roll laminator having rewinder

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