KR100624564B1 - Apparatus for adhering film to plastic piled sheet - Google Patents

Apparatus for adhering film to plastic piled sheet

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Publication number
KR100624564B1
KR100624564B1 KR1020040049688A KR20040049688A KR100624564B1 KR 100624564 B1 KR100624564 B1 KR 100624564B1 KR 1020040049688 A KR1020040049688 A KR 1020040049688A KR 20040049688 A KR20040049688 A KR 20040049688A KR 100624564 B1 KR100624564 B1 KR 100624564B1
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South Korea
Prior art keywords
film
laminated sheet
plastic laminated
sheet
plastic
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KR1020040049688A
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Korean (ko)
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KR20040064678A (en
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박종엽
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주식회사 케이.피
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Priority to KR1020040049688A priority Critical patent/KR100624564B1/en
Publication of KR20040064678A publication Critical patent/KR20040064678A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0021Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341Roller, cylinder or drum types; Band or belt types; Ball types

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

본 발명은 플라스틱적층시트의 필름융착장치에 관한 것으로, 더욱 상세하게는 티다이로부터 압출되는 열간상태의 플라스틱적층시트에 필름을 2번의 압착공정을 통해 융착시키도록 구성되어 현저한 생산성 향상 및 저렴한 생산단가 그리고 별도의 시설공간이 필요없는 플라스틱적층시트의 필름융착장치를 제공함에 그 목적이 있다.The present invention relates to a film fusion apparatus of a plastic laminated sheet, and more particularly, it is configured to fuse the film to the plastic laminated sheet of the hot state extruded from the T-die through two pressing processes to significantly improve productivity and low production cost And the object is to provide a film fusion apparatus of plastic laminated sheet does not need a separate facility space.

그리고, 상기한 목적을 달성하기 위하여 본 발명은 드라이호퍼(1)의 플라스틱재료가 각 용융압출기(2)에서 액상으로 용융되면서 피드블록(3)을 거쳐 티다이(4)에서 플라스틱적층시트(13)로 인출되면 열간상태에서 폴리싱롤러(7,6,5) 사이를 통과하는 과정에서 일정 두께의 시트로 압착이 이루어지도록 구성되는 플라스틱적층시트의 제조장치에 있어서, 하우징(30)의 상부측에 설치되면서 교대로 필름(15)을 공급하도록 구비되는 제1,2필름공급보빈(21,22)과; 상기 제1,2필름공급보빈(21,22)의 하부측에 위치하도록 상기 하우징(30)에 설치되면서 제1,2필름공급보빈(21,22)으로부터 공급되는 필름(15)을 이송하는 필름이송롤(23)과; 상기 필름이송롤(23)로부터 다수의 텐션롤(24)을 거쳐 이송되는 필름(15)을 상부 및 중간폴리싱롤러(7,6) 사이를 통과한 열간상태의 플라스틱적층시트(13)에 압착시키는 제1필름압착롤(25)과; 중간 및 하부폴리싱롤러(6,5) 사이로부터 인출되는 열간상태의 플라스틱적층시트(13)와 필름(15)을 재압착시키는 제2필름압착롤(26);로 구성되는 것을 특징으로 하는 플라스틱적층시트의 필름융착장치를 제공하게 된다.In order to achieve the above object, the present invention provides a plastic laminate sheet 13 in the TDY 4 through the feed block 3 while the plastic material of the dry hopper 1 is melted in the liquid phase in each melt extruder 2. In the manufacturing apparatus of the plastic laminated sheet configured to be pressed into a sheet of a predetermined thickness in the process of passing between the polishing rollers (7, 6, 5) in the hot state when the withdrawal), the upper side of the housing 30 First and second film supply bobbins 21 and 22 installed to alternately supply the film 15 while being installed; The film is installed in the housing 30 so as to be positioned on the lower side of the first and second film supply bobbins 21 and 22 and conveys the film 15 supplied from the first and second film supply bobbins 21 and 22. A feed roll 23; Pressing the film 15 transferred from the film feed roll 23 through the plurality of tension rolls 24 to the plastic laminated sheet 13 in a hot state passed between the upper and intermediate polishing rollers 7, 6. A first film pressing roll 25; And a second film pressing roll (26) for recompressing the film (15) of the plastic laminated sheet (13) drawn out from between the middle and lower polishing rollers (6, 5). It is to provide a film fusion apparatus of the sheet.

플라스틱적층시트, 필름융착Plastic Laminated Sheet, Film Fusion

Description

플라스틱적층시트의 필름융착장치{APPARATUS FOR ADHERING FILM TO PLASTIC PILED SHEET}Film fusion apparatus of plastic laminated sheet {APPARATUS FOR ADHERING FILM TO PLASTIC PILED SHEET}

도1은 종래 플라스틱적층시트의 제조장치를 나타내는 구성도,1 is a configuration diagram showing an apparatus for manufacturing a conventional plastic laminated sheet;

도2는 필름이 융착된 플라스틱적층시트를 나타내는 부분사시도,Figure 2 is a partial perspective view showing a film laminated plastic laminated sheet,

도3은 본 발명에 따른 플라스틱적층시트의 필름융착장치를 나타내는 사시도이다.Figure 3 is a perspective view showing a film fusion apparatus of a plastic laminated sheet according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1: 드라이호퍼 2: 용융압출기 3: 피드블록 4: 티다이 5: 하부폴리싱롤러 6: 중간폴리싱롤러 7: 상부폴리싱롤러 8: 이송롤러 9: 트리밍롤러 10: 적치대 13: 플라스틱적층시트 15: 필름 21: 제1필름공급보빈 22: 제2필름공급보빈 23: 필름이송롤 24: 텐션롤 25: 제1필름압착롤 26: 제2필름압착롤 DESCRIPTION OF SYMBOLS 1 Dry hopper 2: Melt extruder 3: Feed block 4: Ti die 5: Lower polishing roller 6: Intermediate polishing roller 7: Upper polishing roller 8: Feeding roller 9: Trimming roller 10: Loading rack 13: Plastic laminated sheet 15: Film 21: First film supply bobbin 22: Second film supply bobbin 23: Film feed roll 24: Tension roll 25: First film press roll 26: Second film press roll

본 발명은 플라스틱적층시트의 필름융착장치에 관한 것으로, 더욱 상세하게는 티다이로부터 압출되는 열간상태의 플라스틱적층시트에 필름을 2번의 압착공정을 통해 융착시키도록 구성되는 플라스틱적층시트의 필름융착장치에 관한 것이다.The present invention relates to a film fusion apparatus of a plastic laminated sheet, and more particularly, a film fusion apparatus of a plastic laminated sheet configured to fusion a film to a hot laminated plastic laminated sheet extruded from a T-die through two pressing processes. It is about.

플라스틱적층시트는 일상생활에서 널리 사용되고 있는 식품용기 뿐만 아니라 건축용 자재, 기계부품, 조명등 커버, 간판, 운반용 트레이(Tray), 파렛트, 자동차부품, 우주항공기기에 이르기까지 널리 사용되고 있다.Plastic laminated sheets are widely used not only for food containers, which are widely used in daily life, but also for building materials, machine parts, lighting covers, signs, transportation trays, pallets, automobile parts, and aerospace equipment.

이때, 플라스틱적층시트는 2층이상의 적층구조로 구성되어 있고, 원료의 단점을 적층 간의 상호 보완관계로 어느정도 해소할 수 있어 널리 사용되고 있다.At this time, the plastic laminated sheet is composed of a laminated structure of two or more layers, and it is widely used because it can solve the shortcomings of the raw material to some extent by mutual complementary relationship between the laminates.

한편, 플라스틱적층시트에는 완제품으로 출하된 후, 그대로 사용되기도 하지만 용도에 따라 그 표면에 필름을 융착시켜 사용되기도 하는데, 이때 별도의 융착시설을 갖춘 공장에서 융착작업을 하게 된다.On the other hand, the plastic laminated sheet is shipped as a finished product, it may be used as it is, but depending on the purpose it may be used by fusing the film on the surface, at this time fusion operation in a factory equipped with a separate fusion facility.

여기서, 종래 플라스틱적층시트의 필름융착작업은 다수의 플라스틱적층시트위에 각각 필름을 얹어놓은 상태에서 상하로 적층시킨 다음, 열간상태에서 프레스작업을 통해 플라스틱적층시트에 필름을 융착하도록 이루어져 있다.Here, the film fusion operation of the conventional plastic laminated sheet is laminated to the top and bottom in a state in which the film is placed on each of the plurality of plastic laminated sheet, and then made to weld the film to the plastic laminated sheet through the press work in a hot state.

이처럼, 종래에는 플라스틱적층시트에 필름을 융착시키기 위하여 별도의 프레스시설이나 가열장치 그리고 시설공간 등이 요구됨으로써 생산성저하는 물론 생산단가를 증대시키는 요인으로 작용하게 된다.As such, in the related art, a separate press facility, a heating device, and a facility space are required in order to fuse the film to the plastic laminated sheet, thereby reducing the productivity and increasing the production cost.

본 발명은 이러한 종래의 문제를 개선하기 위한 것으로, 티다이로부터 압출되는 열간상태의 플라스틱적층시트에 필름을 2번의 압착공정을 통해 융착시키도록 구성되어 현저한 생산성 향상 및 저렴한 생산단가 그리고 별도의 시설공간이 필요없는 플라스틱적층시트의 필름융착장치를 제공함에 그 목적이 있다.The present invention is to improve this conventional problem, it is configured to fuse the film to the plastic laminated sheet of the hot state is extruded from the T-die through two pressing processes to significantly improve productivity and low production cost and separate facility space It is an object of the present invention to provide a film fusion apparatus of the plastic laminated sheet without the need.

상기한 목적을 달성하기 위하여 본 발명은 드라이호퍼의 플라스틱재료가 각 용융압출기에서 액상으로 용융되면서 피드블록을 거쳐 티다이에서 플라스틱적층시트로 인출되면 열간상태에서 폴리싱롤러 사이를 통과하는 과정에서 일정 두께의 시트로 압착이 이루어지도록 구성되는 플라스틱적층시트의 제조장치에 있어서, 하우징의 상부측에 설치되면서 교대로 필름을 공급하도록 구비되는 제1,2필름공급보빈과; 상기 제1,2필름공급보빈의 하부측에 위치하도록 상기 하우징에 설치되면서 제1,2필름공급보빈으로부터 공급되는 필름을 이송하는 필름이송롤과; 상기 필름이송롤로부터 다수의 텐션롤을 거쳐 이송되는 필름을 상부 및 중간폴리싱롤러 사이를 통과한 열간상태의 플라스틱적층시트에 압착시키는 제1필름압착롤과; 중간 및 하부폴리싱롤러 사이로부터 인출되는 열간상태의 플라스틱적층시트와 필름을 재압착시키는 제2필름압착롤;로 구성되는 것을 특징으로 하는 플라스틱적층시트의 필름융착장치를 제공하게 된다.In order to achieve the above object, the present invention is a certain thickness in the process of passing between the polishing roller in the hot state when the plastic material of the dry hopper is melted into the liquid phase in each melt extruder through the feed block to the plastic laminated sheet from the T-die An apparatus for manufacturing a plastic laminated sheet configured to be pressed into a sheet, the apparatus comprising: first and second film supply bobbins provided to alternately supply a film while being installed on an upper side of a housing; A film feed roll which is installed in the housing so as to be positioned on the lower side of the first and second film supply bobbins and conveys the film supplied from the first and second film supply bobbins; A first film pressing roll for pressing the film transferred from the film feeding roll through a plurality of tension rolls to a plastic laminated sheet in a hot state passed between the upper and middle polishing rollers; It is to provide a film fusion apparatus of the plastic laminated sheet, characterized in that consisting of; and a second film pressing roll for re-pressing the plastic laminated sheet of the hot state drawn from between the middle and lower polishing roller.

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention;

도3은 본 발명에 따른 플라스틱적층시트의 필름융착장치를 예시하는 구성도이다. Figure 3 is a block diagram illustrating a film fusion apparatus of a plastic laminated sheet according to the present invention.

일반적으로 사용되는 플라스틱적층시트의 제조장치는 도1에 도시한 바와같이 적층수만큼 설치되는 용융압출기(2)에 각각의 드라이호퍼(1)를 통해 건조원료를 공급하게 되고, 용융압출기에서는 투입된 원료를 용융시킨 후 피드블록(Feed Block)(3)으로 압출시키게 된다.In general, the apparatus for producing a plastic laminated sheet is used to supply dry raw materials through the respective dry hoppers 1 to the melt extruder 2 installed as the number of stacked as shown in Figure 1, the raw material introduced in the melt extruder After melt is extruded to the feed block (Feed Block) (3).

이때, 피드블록(3)에서는 각각의 용융압출기(2)를 통해 압입되어지는 액상의 원료를 일정한 층을 이루도록 하여 티다이(T-Die)(4)로 이송시키게 되고, 티다이에서는 각층의 두께를 1차적으로 조절하게 된다.At this time, in the feed block (3), the liquid raw material to be pressed through each melt extruder (2) to form a certain layer is transferred to the T-Die (4), the thickness of each layer in the T-die Will be adjusted primarily.

그리고, 티다이(4)를 통과한 각 층은 폴리싱롤러(Polishing Roller)(5,6,7)에서 냉각이 이루어지면서 2차적인 두께조절이 이루어지게 되고, 이송롤러(8)를 따라 이송되면서 냉각이 이루어지며, 다시 트리밍롤(Trimming)(9)에서 수요가가 요구하는 폭길이로 절단하게 되며, 일정길이로 절단된 상태로 시트적치대(10)에 적치되어지게 된다.Then, each layer passing through the die (4) is cooled in the polishing roller (Polishing Roller) (5, 6, 7) is a secondary thickness control is made, and transported along the feed roller (8) Cooling is made, and the trimming roll (9) is cut to the width required by the demand of the trimming roll (9), and is loaded on the seat holder (10) in a cut state at a predetermined length.

이러한 플라스틱시트의 제조장치를 통해 제조되는 플라스틱적층시트에는 폴리싱롤러(Polishing Roller)(5,6,7)측에 구비된 본 발명의 융착장치에 의해 도2에 도시한 바와 같이 필름(15)이 자동 융착되어 생산된다.The plastic laminated sheet manufactured through the apparatus for manufacturing the plastic sheet has a film 15 as shown in FIG. 2 by the fusion apparatus of the present invention provided on the polishing roller 5, 6, 7 side. It is produced by automatic fusion.

다시 말하면, 도2에 도시한 바와 같이 본 발명에 따른 플라스틱적층시트의 필름융착장치는 폴리싱롤러(Polishing Roller)(5,6,7)와 함께 하우징(30)에 설치되어 있다.In other words, as shown in Fig. 2, the film fusion apparatus of the plastic laminated sheet according to the present invention is installed in the housing 30 together with polishing rollers 5, 6 and 7.

이때, 제1,2필름공급보빈(21,22)은 필름을 권취한 상태로 하우징(30)의 상부측에 설치되어 교대로 필름을 공급하도록 구성되어 있으며, 제1,2필름공급보빈(21,22)의 하부측에 위치하도록 하우징에 설치되는 필름이송롤(23)은 일종의 핀치롤로서 제1필름공급보빈 또는 제2필름공급보빈으로부터 풀리는 필름(15)을 공급하는 작용을 하게 된다.At this time, the first and second film supply bobbins 21 and 22 are installed on the upper side of the housing 30 while the film is wound, and are configured to supply films alternately, and the first and second film supply bobbins 21 The film feed roll 23 installed in the housing so as to be located at the lower side of the 22 serves as a kind of pinch roll to supply the film 15 released from the first film supply bobbin or the second film supply bobbin.

그리고, 필름이송롤(23)에 의해 공급되는 필름(15)은 제1필름압착롤(25)과 중간폴리싱롤러(6) 사이로 공급되는 과정에서 다수의 텐션롤(24)을 거치게 되는데, 이 다수의 텐션롤(24)은 필름이송롤(23)과 제1필름압착롤(25) 사이에 설치되어 필름(15)의 텐션을 유지시켜 주름지지 않고 팽팽하게 긴장된 상태를 유지시키게 된다.In addition, the film 15 supplied by the film feed roll 23 is subjected to a plurality of tension rolls 24 in the process of being supplied between the first film compression roll 25 and the intermediate polishing roller 6. The tension roll 24 is installed between the film transfer roll 23 and the first film compression roll 25 to maintain the tension of the film 15 to maintain a tensioned state without wrinkles.

또한, 제1필름압착롤(25)은 아이들롤(Idle Roll)로서, 중간폴리싱롤러(6)과 일정 간극이 유지된 상태에서 티파이(4)를 거쳐 상부폴리싱롤러(7)와 중간폴리싱롤러(6) 사이를 통과하는 열간상태의 플라스틱적층시트(13)에 필름(15)을 1차적으로 압착시키게 된다.In addition, the first film pressing roll 25 is an idle roll, and the upper polishing roller 7 and the intermediate polishing roller (4) are passed through the TP 4 while maintaining a predetermined gap with the intermediate polishing roller 6. 6) The film 15 is primarily pressed onto the plastic laminated sheet 13 in a hot state passing therebetween.

여기서, 제1필름압착롤(25)과 중간폴리싱롤러(6) 사이를 통과하면서 필름(15)이 압착된 플라스틱적층시트(13)는 중간폴리싱롤러(6)에 감긴 상태에서 중간폴리싱롤러와 하부폴리싱롤러(5) 사이를 통과하면서 다시 압착이 이루어지게 된다.Here, the plastic lamination sheet 13 in which the film 15 is pressed while passing between the first film pressing roll 25 and the intermediate polishing roller 6 is wound around the intermediate polishing roller 6 and the lower portion of the intermediate polishing roller 6. Compression is again performed while passing between the polishing rollers 5.

이때, 중간폴리싱롤러(6)와 하부폴리싱롤러(5) 사이를 통과하면서 압착된 플라스틱적층시트(13)는 제2필름압착롤(26)에서 필름압착이 이루어지게 되는데, 이 제2필름압착롤(26)은 하부폴리싱롤러(5)에 감긴 상태로 진행되는 플라스틱적층시트의 필름(15)을 압착하여 필름의 적층작업을 완료하게 된다.At this time, the plastic lamination sheet 13 pressed while passing between the intermediate polishing roller 6 and the lower polishing roller 5 is film-compressed on the second film compression roll 26, which is the second film compression roll. Numeral 26 is to press the film 15 of the plastic laminated sheet is carried on the lower polishing roller (5) to complete the lamination of the film.

이와 같이, 본 발명의 상세한 설명에서는 구체적인 실시예에 관해 설명하였으나, 이는 본 발명의 범주에서 벗어나지 않는 한도내에서 여러가지 변형이 가능함은 물론이다.As described above, specific embodiments have been described in the detailed description of the present invention, but various modifications may be made without departing from the scope of the present invention.

그러므로, 본 발명의 실질적인 범위는 상술된 실시예에 의해 한정되어져서는 안되며, 후술하는 청구범위 뿐만 아니라 청구범위와 균등한 구성에 의해 정해져야 함은 당연하다.Therefore, the substantial scope of the present invention should not be limited by the above-described embodiment, but should be defined by the same structure as the claims as well as the claims described below.

이상과 같이 구성되는 본 발명은 기존 플라스틱적층시트의 제조장치에 설치되어 플라스틱적층시트의 제조과정에서 필름을 융착시킬 수 있어 현저한 생산성 향상 및 저렴한 생산단가 그리고 별도의 시설공간이 필요없는 효과를 제공하게 된다.The present invention configured as described above is installed in the manufacturing apparatus of the existing plastic laminated sheet can be fused film in the manufacturing process of the plastic laminated sheet to provide a significant productivity improvement and low production cost and the effect that does not need a separate facility space do.

Claims (1)

드라이호퍼(1)의 플라스틱재료가 각 용융압출기(2)에서 액상으로 용융되면서 피드블록(3)을 거쳐 티다이(4)에서 플라스틱적층시트(13)로 인출되면 열간상태에서 폴리싱롤러(7,6,5) 사이를 통과하는 과정에서 일정 두께의 시트로 압착이 이루어지도록 구성되는 플라스틱적층시트의 제조장치에 있어서, 하우징(30)의 상부측에 설치되면서 교대로 필름(15)을 공급하도록 구비되는 제1,2필름공급보빈(21,22)과; 상기 제1,2필름공급보빈(21,22)의 하부측에 위치하도록 상기 하우징(30)에 설치되면서 제1,2필름공급보빈(21,22)으로부터 공급되는 필름(15)을 이송하는 필름이송롤(23)과; 상기 필름이송롤(23)로부터 다수의 텐션롤(24)을 거쳐 이송되는 필름(15)을 상부 및 중간폴리싱롤러(7,6) 사이를 통과한 열간상태의 플라스틱적층시트(13)에 압착시키는 제1필름압착롤(25)과; 중간 및 하부폴리싱롤러(6,5) 사이로부터 인출되는 열간상태의 플라스틱적층시트(13)와 필름(15)을 재압착시키는 제2필름압착롤(26);로 구성되는 것을 특징으로 하는 플라스틱적층시트의 필름융착장치.When the plastic material of the dry hopper 1 is melted in the liquid phase in each melt extruder 2 and is pulled out from the T-die 4 to the plastic laminated sheet 13 through the feed block 3, the polishing roller 7 in the hot state In the manufacturing apparatus of the plastic laminated sheet is configured to be pressed to a sheet of a predetermined thickness in the process of passing between 6,5), provided on the upper side of the housing 30 to alternately supply the film (15) The first and second film supply bobbins 21 and 22; The film is installed in the housing 30 so as to be positioned on the lower side of the first and second film supply bobbins 21 and 22 and conveys the film 15 supplied from the first and second film supply bobbins 21 and 22. A feed roll 23; Pressing the film 15 transferred from the film feed roll 23 through the plurality of tension rolls 24 to the plastic laminated sheet 13 in a hot state passed between the upper and intermediate polishing rollers 7, 6. A first film pressing roll 25; And a second film pressing roll (26) for recompressing the film (15) of the plastic laminated sheet (13) drawn out from between the middle and lower polishing rollers (6, 5). Film fusion apparatus of the sheet.
KR1020040049688A 2004-06-29 2004-06-29 Apparatus for adhering film to plastic piled sheet KR100624564B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101595523B1 (en) * 2015-11-25 2016-02-18 박창수 Laminating apparatus and method for auto adjusting pressing roller type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101595523B1 (en) * 2015-11-25 2016-02-18 박창수 Laminating apparatus and method for auto adjusting pressing roller type

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