KR101692344B1 - protection film production method - Google Patents

protection film production method Download PDF

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Publication number
KR101692344B1
KR101692344B1 KR1020150106994A KR20150106994A KR101692344B1 KR 101692344 B1 KR101692344 B1 KR 101692344B1 KR 1020150106994 A KR1020150106994 A KR 1020150106994A KR 20150106994 A KR20150106994 A KR 20150106994A KR 101692344 B1 KR101692344 B1 KR 101692344B1
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KR
South Korea
Prior art keywords
main
film
protective film
liner paper
mold plate
Prior art date
Application number
KR1020150106994A
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Korean (ko)
Inventor
이영민
Original Assignee
(주)세경하이테크
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Priority to KR1020150106994A priority Critical patent/KR101692344B1/en
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Publication of KR101692344B1 publication Critical patent/KR101692344B1/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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays

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  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The present invention relates to a method (1) for producing a protection film, in which a protection film (100) having a processing band paper sheet (110), a main film (120), and a liner paper sheet (130) which are sequentially pasted is processed through one blanking device (200). The method comprises: a first pasting step (S1) of pasting the linear paper sheet (130) on the bottom surface of the main film (120); a second pasting step (S2) of pasting the processing band paper sheet (110) on the top surface of the main film (120); an inserting step (S3) of feeding the protection film (100) produced through the first and second pasting steps (S1, S2) to the blanking device (200); a main shape processing step (S4) of producing, by a first mold plate (210) installed at the top of the blanking device (200), a first blanking section (S4-1) for blanking a part in which the processing band paper sheet (110), the main film (120), and the liner paper sheet (130) are pasted into a predetermined shape, and a second blanking section (S4-2) for blanking only the main film (120) into a predetermined shape; and a cutting processing step (S5) of producing a cutting part (131) on the liner paper sheet (130) by a second mold plate (220) installed at the bottom of the blanking device (200) after the main shape processing step (S4).

Description

Protection film production method [0002]

The present invention relates to a method of manufacturing a protective film and a method of manufacturing a protective film by sequentially processing the protective film strip 110, the main film 120 and the liner paper 130, A method for manufacturing a protective film according to any one of the preceding claims, wherein the main film (120) comprises a first laminating step (S1) for laminating a liner paper (130) to a lower surface of the main film (120) (S3) for putting the protective film (100) produced through the first and second stapling steps (S1, S2) into the punching device (200); A main film 120 and a liner paper 130 are punched out in a predetermined shape by a first metal mold plate 210 installed on the punching device 200 A main shaping step S4 in which a first punching section S4-1 and a second punching section S4-2 in which only the main film 120 is punched out in a predetermined shape are formed; And a cutting step (S5) in which a cutting portion (131) is formed on the liner paper (130) by a second metal mold plate (220) installed under the punching device (200) after the machining step (S4) To a protective film.

In general, a protective film is attached to a touch module, a display panel, and the like of a portable device such as a smart phone or a tablet PC in order to prevent the touch portion from being damaged.

Such a protective film is produced by various methods. In the " synthetic film and its manufacturing method (Korean Patent Laid-Open Publication No. 0-2010-0070712) " of Patent Document 1 A method of producing a composite film comprising a second film layer, a planarization layer formed on the first film layer and the second film layer, and a third film layer formed on the planarization layer, Forming a second film layer by printing a character or a shape on the first film layer; applying a resin on the first film layer and the second film layer to form a planarization layer Forming a third film layer on the planarization layer; and curing the planarization layer to produce a composite film. Due to such a constitution, the adhesion between the films Getting better, it had the advantage of improved durability and improves the image quality of the cover.

However, in the " synthetic film and manufacturing method " of Patent Document 1, when the remaining film layer is peeled off from the first film layer in order to adhere the completed synthetic film to the object, a separate hand- There is a problem that the removing operation is not easy.

In addition, even if there is a separate removable portion that can be held by a worker, if the remaining film layer is peeled off from the first film layer, the adhesive is exposed as it is when exposed to the operator's hand or dust, Is lowered.

Patent Document 1: Korean Patent Publication No. 0-2010-0070712

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a method of manufacturing a printing press, in which a first punching section in which a handle portion, A main shaping step in which a second punching section in which only a film is punched out in a predetermined shape is formed, and a cutting step in which a cutting section is formed in the liner paper by a second mold plate after the main shaping step, The productivity of the work is increased by reducing the number of rubs through the tread ergonomic system and even if the finished protective film is peeled off from the liner paper, the liner of the grip portion remains as it is, And to provide a protective film manufacturing method which can prevent the phenomenon of dust or the like from being hindered and enhance the reliability of the product.

In order to solve the above-mentioned problems, a method of manufacturing a protective film according to the present invention is characterized in that a protective film 100, in which a process strip pattern 110, a main film 120 and a liner paper 130 are sequentially laminated, The method for manufacturing a protective film according to claim 1, wherein the main film (120) comprises a first laminating step (S1) for laminating a liner paper (130) to a lower surface of the main film (120) A second jointing step S2 of joining the process strips 110 on the upper surface of the punching device 200 and a protective film 100 produced through the first and second joining steps S1 and S2 to the punching device 200 The main film 120 and the liner paper 130 are laminated by a first metal mold plate 210 provided on the punching device 200, (S4-1) in which a portion of the main film (120) is punched out in a predetermined shape and a second punching zone (S4-2) in which only the main film A cutting portion 131 is formed on the liner paper 130 by a second metal mold plate 220 installed under the punching device 200 after the main shape machining step S4 And a cutting processing step (S5).

The first mold plate 210 includes a handle cutting blade 211 for cutting the process strip fabric 110, the main film 120 and the liner paper 130 into a shape "H1" And a body cutting blade 212 connected to both ends of the knob cutting blade 211 to form a predetermined shape H2 on the main film 120. The body cutting blade 212 is formed with a cut- A press plate 210b for pressing the protective film 100 is formed by the lowering of the first mold plate 210 and the second mold plate 220 is formed apart from the shape blade 210a, A support plate 220a for supporting the protective film 100 is formed at a position corresponding to the shape blade 210a when the first mold plate 210 is lowered and is separated from the support plate 220a Shaped cutter forming blade 220b is formed at a position corresponding to the lower portion of the knob cutting blade 211 It shall be.

The supporting plate 220a is formed with a step so that the main film 120 and the main film 120 and the main film 120 and the main film 120 are punched at different depths, A plurality of sensor sensing grooves 100a are formed in the upper and lower portions of the protective film 100 and a plurality of sensor sensing grooves 100b are formed in the protective film 100 from the center of the sensor sensing groove 100a, And the distance L between one surface of the predetermined shape H2 formed in the recesses is 2.02 0.2 mm.

As described above, according to the present invention, by the first die plate, the first punching section in which the handle portion in which the process strip base paper, the main film, and the liner paper are joined is punched out in a predetermined shape, And a cutting step of cutting the liner paper so as to form a cut portion by the second mold plate after the main shape machining step. Thus, it is possible to manufacture a tread ergonomic system Even if the finished protective film is peeled off from the liner paper, the liner paper of the grip portion is present as it is, so that the adhesive on the bottom surface of the main film is prevented from touching the worker's hand or being dirt- Thereby enhancing the reliability of the product.

1 is a flowchart showing an overall process of a protective film manufacturing method according to a preferred embodiment of the present invention.
FIG. 2 is a state diagram showing a laminated state of a protective film manufacturing method according to a preferred embodiment of the present invention
FIG. 3 is a cross-sectional view taken along line AA in FIG. 2,
4 is a schematic view showing a state where a protective film according to a preferred embodiment of the present invention is formed with a predetermined shape using a punching device.
5 is a plan view and a side view showing a state of the first mold plate in the method of manufacturing a protective film according to a preferred embodiment of the present invention
6 is a plan view and a side view showing a state of a second mold plate in the method of manufacturing a protective film according to a preferred embodiment of the present invention
7 is a schematic view showing a state in which a protective film is formed according to a preferred embodiment of the present invention.
8 is a schematic view showing a process of using a completed protective film according to a preferred embodiment of the present invention
9 is a plan view showing a state of a finished protective film completed by a method for manufacturing a protective film according to a preferred embodiment of the present invention

Hereinafter, a method of manufacturing a protective film according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

Referring to FIG. 1, a protective film manufacturing chamber according to an embodiment of the present invention includes a first laminating step S1, a second laminating step S2, an insert step S3, a main shaping step S4, And a cutting processing step (S5).

As shown in FIG. 2, the process strip type sheet 110, the main film 120, and the liner paper 130 are preferably formed in various shapes such as a sheet type as well as a roll type.

First, the first lapping step S1 will be described. 2 or 3, the first laminating step S1 is a step of laminating the process strip type fabric 110 and the main film 120 such that the process strip fabric 110 is sandwiched between the main film 120 and the main film 120, It is preferable to be laminated on the upper surface.

At this time, an adhesive (T1) for attaching the process strip fabric 110 and the main film 120 may be formed on the lower surface of the process strip fabric 110 or on the upper surface of the main film 120.

Next, the second laminating step (S2) will be described. The second laminating step S2 is a step of laminating the liner paper 130 on the bottom surface of the main film 120 after the first laminating step S1, as shown in FIG. 2 or FIG.

At this time, an adhesive (T2) for attaching the main film 120 and the liner paper 130 may be formed on the lower surface of the main film 120 or on the upper surface of the liner paper 130.

Next, the insert step S3 will be described. As shown in FIG. 4, the insert step S3 includes inserting the protective film 100 in which the process strip fabric 110, the main film 120, and the liner paper 130 are laminated into the punching device 200 The protective film 100 is preferably supplied to the punching device 200 by a manual operation of a worker or a conveyor (not shown).

Next, the main shape machining step (S4) will be described. 1, 5, and 7, the main shape processing step S4 is performed by a first mold plate 210 mounted on the punching apparatus 200, A first punching section S4-1 in which a portion where the liner paper 130 and the liner paper 130 are joined is punched out in a predetermined shape H1 and a second punching section S4-1 in which only the main film 120 is punched out in a predetermined shape H2 And a second punching step S4-2, in which the main shape is punched out.

In the present invention, in order to stamp a main shape on the protective film 100, the first mold plate 210 is pressed against the process strip fabric 110, the main film 120, and the liner paper 130, A main cutting blade 211 connected to both ends of the knob cutting blade 211 for shaping a predetermined shape H2 into the main film 120 The first mold plate 210 and the second mold plate 210 are provided with a shape blade 210a on which the protective film 100 is to be formed and spaced from the shape blade 210a. (210b) are formed.

Next, the cutting processing step S5 will be described. 6 or FIG. 7, the cutting step S5 may be performed after the main shaping step S4 of FIG. 6 or FIG. 7, by the second mold plate 220 installed below the punching apparatus 200, When the finished protective film 400 of FIG. 9 is detached from the liner paper 130 due to the formation of the cut portion 131, the process strip pattern 110 , The main film 120, and the liner paper 130 are formed at the same time.

The second mold plate 220 may include a support plate 220a for supporting the protective film 100 when the first mold plate 210 is lowered at a position corresponding to the shape blade 210a, Shaped cutting edge forming blade 220b is formed at a position corresponding to the lower portion of the knob cutting blade 211. The cutter forming blade 220b is formed at a position corresponding to the lower portion of the knob cutting blade 211. [

6 or 8, the support plate 220a of the second mold plate 210 is formed with a film-type step forming member 221, so that the process strip base sheet 110, It is possible to form the "H" shaped portion H1 of the portion where the liner paper 130 and the liner paper 130 are joined and the predetermined shape H2 to the main film 120 at different depths, When the film 400 is detached from the liner paper 130, a shape "H1" formed in a portion where the process strip type paper 110, the main film 120, and the liner paper 130 are joined together, It becomes possible to take it together at once.

The completed protective film 400 thus detached is completely attached to the object by removing the liner paper 130 adhered to the object H1 and then attached to the object H1.

The finished protective film 400 completed in the above step is manufactured in one rudder machine 200, thereby reducing the number of rudders through the rudder machine, thereby increasing the productivity of the work.

Even if the finished protective film 400 is detached from the liner paper 130, the process strip paper 110, the main film 120, and the liner paper 130 corresponding to the handle are formed at the jointed portions. And the liner paper 130 of the form H1 is left as it is and is formed in the portion where the processing strip paper 110, the main film 120 and the liner paper 130 are joined together. The adhesive T2 on the bottom surface of the main film 120 is not exposed during the operation even if the shape H1 is removed at the same time, so that it is prevented from touching the operator's hand or dust, etc., and reliability of the product is maintained.

9, a plurality of sensor sensing grooves 100a are formed on upper and lower portions of the protective film 100, and the protective film 100 is formed from the center of the sensor sensing grooves 100a. The finished protective film 400 having a high reliability can be manufactured by forming the distance L between the one surface of the predetermined shape H2 formed on the top surface .

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Method for producing protective film
100: Protective film 100a: Sensor detection groove
110: process strip pattern 120: main film
130: liner paper 131:
200: Punching device 210: First mold plate
210a: Shape blade part 211: Knife cutting blade
212: Body cutting blade 210b: Press plate
220: second mold plate 220a: support plate
220b: cutting portion forming blade 221: step forming member
400: Finished protective film
T1, T2: Adhesive
H1: "┌┐" shape formed on the part where the process strip, main film and liner paper are joined together
H2: a predetermined shape to be formed on the main film
L: distance between one side of the predetermined shape formed in the protective film from the center of the sensor detection groove

Claims (3)

delete A protective film manufacturing method for processing a protective film (100) in which a process strip pattern (110), a main film (120), and a liner paper (130) are sequentially laminated into a single punching device (200)
A first jointing step (S1) of joining the liner paper (130) to the lower surface of the main film (120);
A second joining step (S2) of joining the process strip fabric (110) to the upper surface of the main film (120);
An insert step (S3) of putting the protective film (100) generated through the first and second kneading step (S1, S2) into the punching device (200);
The main film 120 and the liner paper 130 are joined together by a first metal mold plate 210 installed on the punching device 200 in a predetermined shape, A main shaping step S4 of forming a punching zone S4-1 and a second punching zone S4-2 in which only the main film 120 is punched out in a predetermined shape;
A cutting step (S5) in which a cutting portion (131) is formed on the liner paper (130) by a second metal mold plate (220) installed under the punching device (200) after the main shape forming step ≪ / RTI >
The first mold plate 210,
A knob cutting blade 211 for cutting the process strip type fabric 110, the main film 120 and the liner paper 130 into a shape "H1", and a knob cutting blade 211 for cutting both ends of the knob cutting blade 211 And a main body cutting blade 212 for forming a predetermined shape H2 on the main film 120 is formed on the main cutting edge 210a.
A press plate 210b is formed which is spaced from the shape blade 210a and presses the protective film 100 by the lowering of the first mold plate 210,
The second mold plate 220 may be formed,
A support plate 220a for supporting the protective film 100 is formed at a position corresponding to the shape blade 210a when the first mold plate 210 is lowered,
Wherein the cutter forming blade is formed to be spaced apart from the support plate and formed in a position corresponding to a lower portion of the knob cutting blade. The method of claim 2,
The support plate 220a is formed with a step difference generation member 210 so that the main film 120 and the main film 120 are separated from each other by a predetermined depth, (221)
A plurality of sensor sensing grooves 100a are formed on upper and lower portions of the protective film 100,
Wherein a distance L between one surface of the predetermined shape H2 formed in the protective film 100 and the center of the sensor sensing groove 100a is 2.02 0.2 mm.
KR1020150106994A 2015-07-29 2015-07-29 protection film production method KR101692344B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210087283A (en) 2020-01-02 2021-07-12 주식회사 대현에스티 Method of manufacturing protective film for mobile device display
KR20240007834A (en) 2022-07-08 2024-01-17 (주)세경하이테크 Decoration film for smartphone including embossment structure and method of manufacturing thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060101785A (en) * 2003-12-31 2006-09-26 쓰리엠 이노베이티브 프로퍼티즈 컴파니 A cover removal tab for optical products
KR20070056455A (en) * 2005-11-29 2007-06-04 주식회사 두산 Optical film with detaching tip for separation covers from optical film and method thereof
KR20120071195A (en) * 2010-12-22 2012-07-02 삼성모바일디스플레이주식회사 Panel protective film unit and method of assembling panel using thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060101785A (en) * 2003-12-31 2006-09-26 쓰리엠 이노베이티브 프로퍼티즈 컴파니 A cover removal tab for optical products
KR20070056455A (en) * 2005-11-29 2007-06-04 주식회사 두산 Optical film with detaching tip for separation covers from optical film and method thereof
KR20120071195A (en) * 2010-12-22 2012-07-02 삼성모바일디스플레이주식회사 Panel protective film unit and method of assembling panel using thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210087283A (en) 2020-01-02 2021-07-12 주식회사 대현에스티 Method of manufacturing protective film for mobile device display
KR20240007834A (en) 2022-07-08 2024-01-17 (주)세경하이테크 Decoration film for smartphone including embossment structure and method of manufacturing thereof

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