KR940022401A - Magnetic coating device and method for magnetic recording tape - Google Patents

Magnetic coating device and method for magnetic recording tape Download PDF

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Publication number
KR940022401A
KR940022401A KR1019930003116A KR930003116A KR940022401A KR 940022401 A KR940022401 A KR 940022401A KR 1019930003116 A KR1019930003116 A KR 1019930003116A KR 930003116 A KR930003116 A KR 930003116A KR 940022401 A KR940022401 A KR 940022401A
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KR
South Korea
Prior art keywords
magnetic
roll
polyester film
edge
magnetic paint
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Application number
KR1019930003116A
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Korean (ko)
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KR960002037B1 (en
Inventor
김상문
이근배
김병호
Original Assignee
이헌조
주식회사 금성사
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Priority to KR1019930003116A priority Critical patent/KR960002037B1/en
Publication of KR940022401A publication Critical patent/KR940022401A/en
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Publication of KR960002037B1 publication Critical patent/KR960002037B1/en

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/848Coating a support with a magnetic layer by extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254Coating heads with slot-shaped outlet

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

본 발명은 자기기록테이프의 자성도료 도포장치 및 그 방법에 관한 것으로 테이프의 표면에 자성도료를 도포하는 공정에서 자성도료를 테이프에 균일하게 도포시킴과 동시에 잔도료가 없고 표면성이 우수하면서 전자변환 특성이 양호한 자기기록 테이프를 얻을 수 있도록 한 것이다.The present invention relates to a magnetic coating device and a method of applying a magnetic recording tape. In the process of applying a magnetic coating on the surface of the tape, the magnetic coating is uniformly applied to the tape, there is no residual paint, and the surface conversion is excellent and the electron conversion is performed. The magnetic recording tape with good characteristics can be obtained.

이를위해, 본 발명은 폴리에스터필름(6)의 권출부(8) 근접부와 그라비아롤(3)의 자장자리에 제1,2용제 공급노즐(9)(10)을 설치하고 상기 그라비아롤(3)과 니딩롤(11)의 가장자리에는 자성도료 제거나이프(12)(13)를 설치함과 동시에 백업롤(7)의 일측으로는 자성도료가 도포된 폴리에스터필름(6)과 접속되게 금속이 코팅된 필름스무저(15)를 설치, 그라비아롤(3)과 니딩롤(11) 가장자리에 묻은 자성도료를 제거하여 폴리에스터필름(6)의 가장자리에 도포되는 자성도표의 양을 최소화 시킴과 동시에 가장자리에 도포된 자성도료를 제거시킨 후 필름스무저(15)와 금속스무저(17)로 자성층을 평탄화시키도록 하여서 된 것이다.To this end, the present invention is to install the first and second solvent supply nozzles (9, 10) in the magnetic field of the gravure roll (3) adjacent to the unwinding portion (8) of the polyester film (6) and the gravure roll ( 3) and the magnetic paint removal knives 12 and 13 are installed at the edges of the kneading roll 11, and at one side of the backup roll 7, the metal film is connected to the polyester film 6 coated with the magnetic paint. The coated film smoother 15 is installed to remove the magnetic paint from the edges of the gravure roll 3 and the kneading roll 11 to minimize the amount of magnetic chart applied to the edge of the polyester film 6. At the same time, the magnetic coating applied to the edge is removed and the magnetic layer is planarized with the film smoother 15 and the metal smoother 17.

Description

자기기록 테이프의 자성도료 도포장치 및 방법Magnetic coating device and method for magnetic recording tape

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명의 장치를 나타낸 개략도,2 is a schematic view showing the apparatus of the present invention,

제4도는 폴리에스터 필름의 가장자리에 도포된 자성도료를 제거시키는 상태를 나타낸 저면도.Figure 4 is a bottom view showing a state of removing the magnetic paint applied to the edge of the polyester film.

Claims (7)

용기(1)내에 그라비아롤(3)을 회전가능하게 설치하고 그 상부에는 백업롤(7)을 접속되게 설치하여 그라비아롤(3)에 공급노즐(4)을 통해 자성도료(2)를 공급함과 동시에 상기 그라비아롤(3)과 백업롤(7)사이로 폴리에스터필름(6)을 통과시켜 폴리에스터필름(6)에 자성도료가 도포되도록 된것에 있어서, 자성도료(2)를 도포하기 위해 공급되는 폴리에스터필름(6)의 하부 가장자리 양측에서 설치되어 폴리에스터필름(6)의 가장자리에 용제를 묻혀주는 제1용제 공급노즐(9)과, 상기 공급노즐(4)의 일측에 설치되어 그라비아롤(3)에 자성도료(2)가 묻기전에 그라비아롤(3)의 가장자리에 용제를 묻혀주는 제2용제 공급노즐과 (10)과, 상기 그라비아롤(3)과 니딩롤(11)의 가장자리에 직각되게 설치되어 각롤의 가장자리에 묻어있는 자성도료를 제거시켜주는 자성도료제거 나이프(12)(13)와, 상기 폴리에스터필림에 자성도료가 도포되어 이송되는 위치에 폴리에스터필름가 접속되게 설치되어 가장자리에 도포된 자성도료를 제거시키는 에지나이프(14)와, 상기 에지나이프의 일측으로 폴리에스터필름에 도포된 자성층과 접속되게 설치되어 정전기를 방전시킴과 동시에 자성도료가 비산되는것을 방지하는 금속이 코팅된 필름스무저(15)를 포함하여 구성됨을 특징으로 하는 자기기록 테이프의 자성도료 도포장치.The gravure roll (3) is rotatably installed in the container (1), and the backup roll (7) is connected to the upper part thereof to supply the magnetic paint (2) to the gravure roll (3) through the supply nozzle (4). At the same time, a magnetic paint is applied to the polyester film 6 by passing the polyester film 6 between the gravure roll 3 and the back-up roll 7, which is supplied to apply the magnetic paint 2. The first solvent supply nozzle 9 is installed on both sides of the lower edge of the polyester film 6 to bury the solvent on the edge of the polyester film 6, and the gravure roll is installed on one side of the supply nozzle 4 3) the second solvent supply nozzle and the second solvent supply nozzle (10) to bury the solvent on the edge of the gravure roll (3) before the magnetic coating (2) is applied, and the right angle to the edge of the gravure roll (3) and the kneading roll (11) Magnetic paint removal that removes the magnetic paint on the edge of each roll An edge knife 14 which is installed so that the polyester film is connected to a position where a magnetic paint is applied to the polyester film and transported to the polyester film so as to remove the magnetic paint applied to the edge; One side of the magnetic recording tape is installed to be connected to the magnetic layer coated on the polyester film, and the film smoother (15) coated with a metal to discharge the static electricity and to prevent the magnetic paint from scattering. Magnetic coating device. 제1항에 있어서, 그라비아롤(3)과 니딩롤(11)에 접속되게 설치되는 자성도료 제거 나이프(12)(134)를 니딩롤(11)의 재질과 동일재질로하고 직경은 5Cm, 두께는 5mm의 원형나이프로 하여서 됨을 특징으로 하는 자기기록 테이프의 자성도료 도포장치.The magnetic paint removal knife (12) (134), which is installed to be connected to the gravure roll (3) and the kneading roll (11), is made of the same material as that of the kneading roll (11), and has a diameter of 5 cm and a thickness. Magnetic coating device for magnetic recording tape, characterized in that the circular knife of 5mm. 제1항에 있어서, 폴리에스터플림(6) 표면에 도포된 자성도료(2)의 정전기를 방전시킴과 자성도료의 비산을 방지하는 필름스무저(15)를 그라비아롤(3)과 백업롤(7)의 접촉부위로부터 10Cm-5Cm범위내로 위치되게 설치함을 특징으로 하는 자기기록 테이프의 자성도료 도포장치.The gravure roll 3 and the back-up roll of claim 1, wherein the film smoother 15 for discharging the static electricity of the magnetic paint 2 applied to the polyester film 6 and preventing the magnetic paint from scattering is prevented. The magnetic coating device of the magnetic recording tape, characterized in that the installation is located within the range of 10Cm-5Cm from the contact portion of 7). 제1항에 있어서, 필름스무저(15)의 표면에 코팅되는 금속재질을 금,은,동,알루미늄중 어느하나로 하고 그 두께는 8㎛-75㎛범위로 하여서됨을 특징으로 하는 자기기록 테이프의 자성도료 도포장치.The magnetic recording tape of claim 1, wherein the metal material coated on the surface of the film smoother 15 is any one of gold, silver, copper, and aluminum, and the thickness thereof is in the range of 8 µm to 75 µm. Magnetic coating device. 권출부(8)에 감긴 폴리에스터필름(6)이 풀려 공급될때 자성도료를 용이하게 제거시켜주기 위해 폴리에스터필름(6)의 도포층 가장자리로 용제를 묻혀주는 제1용제도포공정과, 용기내의 자성도료(2)가 그라비아롤(3)에 묻혀지기전 그라비아롤의 가장자리로 용제를 묻혀주는 제2용제 도포공정과, 용기(1)내의 자성도료가 공급노즐(4)을 통해 분사될때 니딩롤이 그라비아롤과 맞물려 회전하면서 그라비아롤의 표면에 묻혀지는 자성도료의 양을 균일화시키는 공정과, 그라비아롤과 니딩롤의 가장자리에 묻은 과잉의 자성도료를 제거시키는 공정과, 그라비아롤의 표면에 묻은 자성도료를 백업롤(7)사이로 통과되는 폴리에스터필름(6)에 전사시키는 공정과, 폴리에스터필름의 가장자리에 전사된 자성도료를 제거시키는 공정과, 가장자리의 자성도료에 제거된 자성층의 정전기를 제거시킴과 동시에 자성도료가 비산되지 않도록 하는 자성층 표면처리 공정과, 표면처리가 완료된 자성층의 표면을 균일화시키는 자성층 표면 균일화 처리공정이 연속적으로 수행되도록 함을 특징으로 하는 자기기록 테이프의 자성도료 도포방법.When the polyester film 6 wound around the unwinding part 8 is unwound and supplied, the first solvent coating step of burying the solvent at the edge of the coating layer of the polyester film 6 so as to easily remove the magnetic paint. A second solvent coating process in which the solvent is applied to the edge of the gravure roll before the magnetic paint (2) is buried in the gravure roll (3), and the kneading roll when the magnetic paint in the container (1) is sprayed through the supply nozzle (4). A process of equalizing the amount of magnetic paint buried on the surface of the gravure roll while rotating in engagement with the gravure roll, removing the excess magnetic paint on the edges of the gravure roll and the kneading roll, and magnetic on the surface of the gravure roll A process of transferring the paint to the polyester film (6) passed between the backup roll (7), a process of removing the magnetic paint transferred to the edge of the polyester film, and a person removed from the magnetic paint at the edge A magnetic layer surface treatment process for removing static electricity of the layer and preventing magnetic paint from scattering, and a magnetic layer surface uniformity treatment process for uniformizing the surface of the magnetic layer after the surface treatment is performed continuously. Magnetic paint application method. 제5항에 있어서, 폴리에스터필름(6)의 가장자리와 그라비아롤(3)의 가장자리로 용제를 50g-500g/min공급함을 특징으로 하는 자기기록 테이프의 자성도료 도포방법.6. The method of applying magnetic paint to a magnetic recording tape according to claim 5, characterized in that 50 g-500 g / min of solvent is supplied to the edge of the polyester film (6) and the edge of the gravure roll (3). 제5항 또는 제6항에 있어서, 제1용제 도포공정과 제2용제 도포공정에 사용되는 용제를 자셩도료 조성물에 포함되는 메칠에칠케톤과 톨루엔 그리고 사이클로핵사논이 혼합된 혼합용제로 함을 특징으로 하는 자기기록 테이프의 자성도료 도포방법.The method of claim 5 or 6, wherein the solvent used in the first solvent coating step and the second solvent coating step is a mixed solvent in which methyl ethyl ketone, toluene, and cyclonuxanon are included in the porcelain paint composition. A magnetic paint application method for a magnetic recording tape. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930003116A 1993-03-03 1993-03-03 Coating apparatus & method of a magnetic recording tape KR960002037B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930003116A KR960002037B1 (en) 1993-03-03 1993-03-03 Coating apparatus & method of a magnetic recording tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930003116A KR960002037B1 (en) 1993-03-03 1993-03-03 Coating apparatus & method of a magnetic recording tape

Publications (2)

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KR940022401A true KR940022401A (en) 1994-10-20
KR960002037B1 KR960002037B1 (en) 1996-02-09

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KR1019930003116A KR960002037B1 (en) 1993-03-03 1993-03-03 Coating apparatus & method of a magnetic recording tape

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