WO2019045388A1 - Appareil de transfert thermique et procédé pour verre de couverture plié à l'aide d'un pressage de résine - Google Patents

Appareil de transfert thermique et procédé pour verre de couverture plié à l'aide d'un pressage de résine Download PDF

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Publication number
WO2019045388A1
WO2019045388A1 PCT/KR2018/009863 KR2018009863W WO2019045388A1 WO 2019045388 A1 WO2019045388 A1 WO 2019045388A1 KR 2018009863 W KR2018009863 W KR 2018009863W WO 2019045388 A1 WO2019045388 A1 WO 2019045388A1
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WO
WIPO (PCT)
Prior art keywords
cover glass
resin
jig
mold member
film
Prior art date
Application number
PCT/KR2018/009863
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English (en)
Korean (ko)
Inventor
모경섭
이대근
Original Assignee
주식회사 지디테크놀러지
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Publication of WO2019045388A1 publication Critical patent/WO2019045388A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/006—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on curved surfaces not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/12—Transfer pictures or the like, e.g. decalcomanias
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/023—Re-forming glass sheets by bending
    • C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
    • C03B23/0305—Press-bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Definitions

  • the present invention relates to a thermal transfer apparatus and a method of using the same, and more particularly, to a thermal transfer apparatus for a bending cover glass for efficiently thermally transferring a print layer to a bent glass.
  • the thermal transfer method is to print characters or designs on the outer surface of a subject, such as a mobile phone case, and prints a design such as a picture, character, or graphic on a transfer sheet and design printed on a transfer sheet using a physical or chemical method It is a way of transferring to other objects.
  • thermo transfer system there have been developed apparatuses capable of forming a transfer layer on a transfer object having a form and a curved surface that are difficult to apply general printing methods such as an iron plate, glass, clothes, and leather to perform thermal transfer printing .
  • the front glass for protecting the display and the rear glass for protecting the battery are developed as a two-side closed type, and furthermore, there is a tendency to apply a 3D glass which is closed on four sides.
  • Korean Patent Application Publication No. 10-2014-0045006 (entitled: Curved Surface Forming Apparatus for Tempered Glass for Touch Screen Panel and Its Molding Method) is available.
  • a printing film is pressed and thermally transferred to a cover glass using a mold member having a structure in which a resin can be discharged with a bending cover glass in four directions interposed therebetween.
  • a thermal transfer apparatus and method of a bending cover glass using pressurization of a resin for minimizing a defect rate of a cover glass are provided.
  • a thermal transfer apparatus for bending a cover glass using pressurization of a resin is a thermal transfer apparatus for thermally transferring a print film having a print layer on a bared cover glass, A lower mold member having a jig on which the bent cover glass is placed, the jig being formed of a curved surface having a curvature, and a lower mold member disposed on the lower mold member so as to be opposed to the cover glass, And an upper mold member having a single nozzle part and a pressing part for pressing and thermally transferring the printing film toward the upper surface of the cover glass as the resin is ejected.
  • the jig according to an embodiment of the present invention is formed in a concave shape as the edge surface is bent with the same curvature as the edge surface of the cover glass, and the pressing portion is formed in a convex shape, It can have a curvature.
  • the lower mold member may further include at least one glass absorption unit vertically penetrating the lower side of the jig.
  • the glass absorption unit may absorb air between the cover glass and the jig, So that the cover glass can be brought into close contact with the jig.
  • the lower mold member further includes at least one film adsorption unit formed on one side of the jig, wherein the film adsorption unit sucks air between the print film and the jig
  • the print film can be closely attached to the cover glass.
  • a thermal transfer apparatus of a bending cover glass using pressurization of a resin includes a clamp for fixing the print film so as to minimize the movement of the print film when the pressure is applied, As shown in FIG.
  • the single nozzle unit according to an embodiment of the present invention is formed at the center of the upper side of the pressing unit, and the upper mold member is discharged through the single nozzle unit at the time of pressing, and is formed between the pressing unit and the printing film
  • the print film can be pressed and thermally transferred using a resin flowing into the spacing space.
  • the upper mold member according to an embodiment of the present invention may further include a heating unit formed along a longitudinal direction at one side of the single nozzle unit.
  • the heating unit may maintain the temperature of the resin discharged through the single nozzle unit,
  • the single nozzle portion can be preheated before the resin is ejected.
  • the lower mold member according to an embodiment of the present invention may further include a gas vent formed on the other side of the jig for discharging gas generated when the printing film is pressed on the cover glass .
  • a thermal transfer method for thermally transferring a print film having a print layer on a bared cover glass comprising: Preparing an upper mold member having a bending cover glass, a lower mold member having a jig having a curved surface at an upper portion thereof, a single nozzle unit for discharging the resin, and a pressing unit for thermally transferring, Placing the cover glass on the upper surface of the cover glass, placing the print film on the upper surface of the cover glass, forming the upper mold member and the lower mold member on the basis of the cover glass on which the print film is seated, Wherein the resin is discharged through a gap formed between the pressing portion and the printing film during the molding, And separating the upper mold member and the print film from the cover glass in order and separating the cover glass from the lower mold member.
  • the seating step may include a step of sucking air between the cover glass and the jig through at least one glass adsorption part formed up and down on the lower side of the jig .
  • the placing step may further include the step of sucking air between the print film and the jig through at least one film adsorption unit formed on one side of the jig .
  • the placing step according to an embodiment of the present invention may further include fixing the print film by coupling a clamp to an upper portion of the print film so that movement of the print film is minimized at the time of pressing.
  • a method of thermally transferring a bending cover glass using pressurization of a resin comprising the steps of: maintaining a temperature of a resin discharged through the single nozzle unit by using a heating unit formed along a longitudinal direction on one side of the single nozzle unit; Or preheating the single nozzle portion before the resin is ejected.
  • a printing film is pressed and thermally transferred to a cover glass using a mold member having a structure in which a resin can be discharged with a bending cover glass in a thermal transfer direction interposed therebetween.
  • the pressurization can minimize the defect rate of the bending cover glass.
  • the nozzles through which the resin is discharged are disposed in the center, so that pressurization by the flow of the resin is performed in the outward direction from the center direction, thereby improving the quality of the cross section of the print layer printed on the cover glass .
  • FIG. 1 is a view for explaining a thermal transfer apparatus of a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • FIG. 2 is a view for explaining a modification of the thermal transfer apparatus of a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of thermally transferring a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • FIG. 4A to 4L are views illustrating a specific process of the thermal transfer method of FIG.
  • a warrior means literally transferring a photograph or image to another object.
  • a thermal transfer is a method of printing a photograph or an image on a film, pressing the film back onto the glass surface, and applying heat and pressure.
  • it was a way to directly print a photograph or an image on a glass or to attach a deco film to a glass.
  • the panel screen that is made so is not visible and the defect rate in the manufacturing process is also considerable.
  • the thickness of the panel is minimized by using the thermal transfer printing method, and bubbles that are often generated when joining the glass and the film can be removed. That is, by zeroing the printing defective ratio, it is possible not only to reduce the cost of recycling the glass due to defects, but also to reduce the cost of the entire cover glass.
  • FIG. 1 is a view for explaining a thermal transfer apparatus of a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • a thermal transfer apparatus 100 of a bending cover glass 10 using pressurization of a resin includes a print film 20 to which a print layer 22 is attached, And includes a lower mold member 110 and an upper mold member 120. As shown in FIG.
  • the thermal transfer apparatus 100 of the present invention forms a lower mold member 110 and an upper mold member 120 by bending a cover glass 10 having a print film 20 thereon, To press and heat the upper surface of the cover glass 10 by pressing the upper surface of the cover glass 10 using the resin L discharged through the nozzle portion provided in the upper mold member 120 Feature.
  • the thermal transfer apparatus 100 for performing the thermal transfer operation will be described in detail below.
  • the lower mold member 110 has a jig 112 on which the cover glass 10 bent at the top is placed.
  • the cover glass 10 is a tempered glass formed on a touch screen panel (TSP), and can be realized to have a transparent and flexible state.
  • the cover glass 10 can be bent at an edge, and in particular, it is desired to apply the cover glass 10 in which four edge faces are bent.
  • the jig 112 is preferably formed as a curved surface having a curvature such that the four edge surfaces correspond to the bent glass cover 10. At this time, as the edge surface of the jig 112 is bent with the same curvature as the edge surface of the cover glass 10, the jig 112 can be formed in a concave shape.
  • the curvature has a constant ratio, but it is not limited thereto and may have a constant ratio.
  • the upper mold member 120 is disposed opposite to the lower mold member 110 with respect to the cover glass 10.
  • the upper mold member 120 and the lower mold member 110 are assembled with the bending cover glass 10 having the print film 20 therebetween so that the print film 20 is stuck to the cover glass 10, It is possible to pressurize and heat the upper surface of the substrate.
  • the upper mold member 120 has a pressing portion 124 for pressing the print film 20 toward the upper surface of the cover glass 10 for thermal transfer.
  • the pressing portion 124 may be formed to correspond to the shape of the jig 112 provided on the lower mold member 110. Specifically, the pressing portion 124 may be formed in a convex shape and have the same curvature as the jig portion 112. Accordingly, the print film 20 can be pressed and thermally transferred onto the upper surface of the cover glass 10 more finely.
  • the upper mold member 120 further includes a single nozzle portion 122 formed on the upper side of the pressing portion 124 to enable the resin L to be discharged.
  • the single nozzle part 122 is a passage through which the resin L injected from the resin injecting device or similar means capable of injecting the resin L moves and is implemented as a single unit at the center position with respect to the pressing part 124 .
  • a liquefied plastic resin (L) having fluidity to maximize performance at the time of pressurization and which can be easily deformed.
  • the upper mold member 120 discharges ink droplets into the spacing space S formed between the pressing portion 124 and the printing film 20 through the nozzle portion when the printing film 20 is pressed onto the upper surface of the cover glass 10
  • the print film 20 can be pressurized and thermally transferred using the resin L to be used.
  • the resin L discharged from the single nozzle unit 122 moves from the center to the outside of the spaced apart space S because the single nozzle unit 122 is implemented through the center of the upper mold member 120 And the pressing of the printing film 20 can also proceed sequentially from the center portion of the cover glass 10 toward the outside.
  • the resin L has a certain temperature and flows into the space S and is moved in the space so that the print layer 22 adhered to the print film 20 can be easily placed on the cover glass 10 Thermal transfer can be done.
  • the print layer 22 of the print film 20 which is pressed and thermally transferred, can be uniformly transferred onto the upper surface of the cover glass 10.
  • pressure is applied by the liquefied resin (L), thereby eliminating defective elements due to foreign substances in the process, thereby improving the overall yield.
  • one embodiment of the present invention may further include a clamp 130 for fixing the print film 20 in a pressurizing and thermal transfer operation.
  • the clamp 130 can be detachably coupled to the upper edge of the print film 20 provided on the upper portion of the cover glass 10 to minimize movement of the print film 20 when the pressurization and thermal transfer operations are performed. So that the print film 20 can be fixed. Thus, the print film 20 can be accurately transferred to the target position on the cover glass 10.
  • the upper mold member 120 is detached from the lower mold member 110 and is mounted between the mold members to form a cover glass 20 having a print film 20 on the upper surface thereof 10).
  • FIG. 2 is a view for explaining a modification of the thermal transfer apparatus of a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • the thermal transfer apparatus of this embodiment is a further embodiment of a device 100 for thermally transferring a print film 20 with a print layer 22 on a bared cover glass 10
  • the lower mold member 110 and the upper mold member 120 perform the same or similar functions as the lower mold member 110 and the upper mold member 120 of FIG. 1, In the example, the glass adsorption section 114, the film adsorption section 116, the gas vent 118, and the heating section 126 are described.
  • the lower mold member 110 may further include at least one glass adsorption unit 114 formed vertically through the lower side of the jig 112. The lower mold member 110 sucks the air between the cover glass 10 and the jig 112 through the glass absorption unit 114 so that the cover glass 10 is brought into close contact with the jig 112 .
  • the cover glass 10 since the cover glass 10 is formed to have a transparent and flexible state, it can be adsorbed by at least one glass adsorption unit 114 and adsorbed and fixed to the jig 112. That is, the lower mold member 110 is moved in the air gap between the cover glass 10 and the jig 112 through the at least one glass adsorption unit 114 in a state where the cover glass 10 is placed on the jig 112 So that the cover glass 10 can be brought into close contact with the jig 112.
  • the lower mold member 110 may further include at least one film adsorption unit 116 formed on one side of the jig 112. The lower mold member 110 sucks the air between the print film 20 and the jig 112 through the film suction unit 116 so that the print film 20 is brought into close contact with the cover glass 10 .
  • the length of the jig 112 is somewhat longer than the length of the cover glass 10 in the portion where the difference in length of the jig 112 and the cover glass 10 occurs, Can be brought into close contact with the upper surface of the jig 112, not the glass 10.
  • the lower mold member 110 is moved in the direction of the length of the jig portion 112 and the cover glass 10 through the at least one film suction portion 116 in a state where the print film 20 is placed on the cover glass 10.
  • the vacuum state can be established by sucking and removing the air between the print film 20 and the jig 112 at the portion where the difference occurs so that the print film 20 can be brought into close contact with the cover glass 10 .
  • the print film 20 is a print film 22 to which a print layer 22 is attached.
  • the print film 20 may include a base film of a transparent material and a print layer 22 on which a pattern is printed on a lower surface of the base film.
  • the printing layer 22 is formed by lowering the glass transition temperature (Tg) in order to prevent cracks occurring when the printing layer 22 is bent to 90 degrees or more.
  • the printing film 20 used in this embodiment is preferably a PET film that has been subjected to release treatment as a transfer film of a high-brightness molding pattern.
  • the printed film 20 can prevent the printed pattern from being distorted by using a complex curing type transparent material using heat and ultraviolet rays.
  • the lower mold member 110 may further include a gas vent 118 formed through the other side of the jig 112. Accordingly, the lower mold member 110 can discharge gas generated when the print film 20 is pressed onto the cover glass 10 through the gas vent 118. As a result, it is possible to prevent bubbles or lifting that may occur on the surface of the cover glass 10.
  • the upper mold member 120 may further include a heating unit 126 formed on one side of the nozzle unit along the longitudinal direction of the nozzle unit.
  • the upper mold member 120 maintains the temperature of the resin L discharged from the single nozzle portion 122 through the heating portion 126 or the temperature of the resin L discharged from the single nozzle portion 122 ) Can be preheated.
  • the heating unit 126 can transmit heat of a certain temperature to the nozzle unit so that the resin L discharged through the nozzle unit can maintain a liquefied state. Accordingly, as the pressurization by the liquefied resin L is continuously performed, the efficiency of thermal transfer can be maximized.
  • FIG. 3 is a flowchart illustrating a method of thermally transferring a bending cover glass using pressurization of a resin according to an embodiment of the present invention.
  • FIGS. 4A to 4L illustrate a detailed process of the thermal transfer method of FIG. Fig.
  • the thermal transfer method in this embodiment is based on a thermal transfer method of a bending cover glass for thermally transferring a print film having a print layer attached thereto to a bent cover glass.
  • step 310 the driving device for driving the thermal transfer device of the bending cover glass 10 using the pressing of the resin according to the embodiment of the present invention
  • a lower mold member 110 having a cover glass 10 with a curved upper surface and a single nozzle unit 122 for discharging the resin L and a pressing unit 124 are provided on the upper mold member 120.
  • the jig 112 can be formed in a concave shape.
  • step 320 the driving device places the cover glass 10 on the upper surface of the jig 112, And the print film (20) is placed on the upper surface.
  • the thermal transfer apparatus includes at least one glass absorption unit 114 formed at the lower side of the jig 112 in the up and down direction, The air between the jig portions 112 can be sucked.
  • the driving apparatus can set the printing film 20 with the printing layer 22 on the top of the cover glass 10, and if necessary, the printing film 20, And the cover glass 10 can be aligned.
  • the driving device controls the movement of the print film 20 to the upper side of the print film 20 so that the movement of the print film 20 is minimized when the print film 20 is pressed and thermally transferred to the cover glass 10. [ So that the print film 20 can be fixed.
  • the thermal transfer apparatus is driven by the drive unit to drive the print film 20 and the print film 20 through at least one film adsorption unit 116 formed on one side of the jig 112, The air between the jig portions 112 can be sucked.
  • step 330 the driving device controls the driving of the upper mold member 120 and the lower mold member 120 based on the cover glass 10 on which the printing film 20 is seated.
  • the member 110 is formed.
  • step 340 the driving device discharges the resin L through the single nozzle part 122, And the printed film 20 is pressed and thermally transferred using the discharged resin L which flows into the spacing space S formed between the printed film 20 and the printed film 20.
  • the drive unit injects the resin L into the single nozzle unit 122, and the injected resin L can be discharged into the spacing space S.
  • the thermal transfer apparatus includes a heating unit 126 formed along a longitudinal direction on one side of the single nozzle unit 122 to drive the resin L discharged through the single nozzle unit 122 It is possible to maintain the temperature or preheat the single nozzle portion 122 before the resin L is discharged.
  • the driving device presses and thermally transfers the cover glass 10, on which the print film 20 is placed, on the upper surface using the resin L discharged in the space S, can do. Since the single nozzle unit 122 is implemented through the center of the upper mold member 120, the resin L discharged from the nozzle unit can move from the center to the outside in the spacing space S, The pressing of the cover glass 20 can also proceed sequentially from the center portion of the cover glass 10 toward the outside.
  • step 350 the driving device sequentially separates the upper mold member 120 and the print film 20 from the cover glass 10 , The cover glass 10 is separated from the lower mold member 110.
  • the driving device can separate the upper mold member 120 from the cover glass 10 on which the print film 20 is placed, and then, as shown in FIG. 4J, , The printed film 20 thermally transferred from the cover glass 10 can be separated. Accordingly, only the print layer 22 adhered to the print film 20 can be attached to the upper surface of the cover glass 10.
  • the driving apparatus separates the cover glass 10 having the print layer 22 attached thereto from the lower mold member 110 to obtain a finished bending cover glass 10 can do.
  • the finished bending cover glass 10 is shown in Fig. 41 as a finished product.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Ceramic Engineering (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'invention concerne, dans un mode de réalisation, un appareil de transfert thermique pour verre de couverture plié utilisant le pressage d'une résine, qui transfère thermiquement un film imprimé sur lequel est fixée une couche imprimée sur du verre de couverture plié et comprend une partie de gabarit sur laquelle est placé le verre de couverture ayant quatre surfaces de bord pliées formées au niveau d'une partie supérieure de celui-ci, la partie de gabarit comprenant : un élément de moulage inférieur ayant une surface incurvée ayant une courbure ; et un élément de moulage supérieur qui est opposé à l'élément de moulage inférieur et disposé au-dessus de celui-ci par rapport au verre de couverture et comprend une partie buse unique pour décharger une résine et une partie de pressage pour presser et transférer thermiquement le film imprimé vers une surface supérieure du verre de couverture lorsque la résine est déchargée.
PCT/KR2018/009863 2017-08-30 2018-08-27 Appareil de transfert thermique et procédé pour verre de couverture plié à l'aide d'un pressage de résine WO2019045388A1 (fr)

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KR10-2017-0110520 2017-08-30

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CN112060752A (zh) * 2020-06-10 2020-12-11 盐城大白杨彩印有限公司 一种全自动平压平印刷机
CN113733734A (zh) * 2021-09-26 2021-12-03 苏州茂特斯自动化设备有限公司 一种隐形眼镜花纹移印机构

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KR200489382Y1 (ko) * 2019-01-22 2019-09-30 바이인터내셔널주식회사 열전사 장치

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JPH0592547A (ja) * 1991-10-01 1993-04-16 Nissha Printing Co Ltd 転写装置
KR101442992B1 (ko) * 2013-11-25 2014-09-25 주식회사 윌리언스 전사공정용 지그
KR101460913B1 (ko) * 2013-11-25 2014-11-12 주식회사 윌리언스 전사필름 고정장치를 이용한 전사방법
KR101511216B1 (ko) * 2014-12-09 2015-04-10 주식회사 씨아이씨티 인쇄필름 선행 커팅에 의한 곡면 글라스 열전사 방법
KR20170034579A (ko) * 2015-09-21 2017-03-29 주식회사 파인텍 프레스형 곡면 글라스 열전사장치

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CN112060752A (zh) * 2020-06-10 2020-12-11 盐城大白杨彩印有限公司 一种全自动平压平印刷机
CN113733734A (zh) * 2021-09-26 2021-12-03 苏州茂特斯自动化设备有限公司 一种隐形眼镜花纹移印机构

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