KR100971972B1 - Apparatus for removing the scale and overflow of the reverse 3 roll type coating roller - Google Patents

Apparatus for removing the scale and overflow of the reverse 3 roll type coating roller Download PDF

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KR100971972B1
KR100971972B1 KR1020030052165A KR20030052165A KR100971972B1 KR 100971972 B1 KR100971972 B1 KR 100971972B1 KR 1020030052165 A KR1020030052165 A KR 1020030052165A KR 20030052165 A KR20030052165 A KR 20030052165A KR 100971972 B1 KR100971972 B1 KR 100971972B1
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South Korea
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roll
solution
reverse
coating
bending plate
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KR1020030052165A
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Korean (ko)
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KR20050013679A (en
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최강수
박순복
황수일
오태석
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주식회사 포스코
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0856—Reverse coating rollers

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  • Treatment Of Fiber Materials (AREA)
  • Coating Apparatus (AREA)

Abstract

본 발명에서의 기술적 수단으로서는 역방향 코팅기술에 맞는 용액픽업롤의 표면부 스케일 제거 및 와류감소장치를 겸하는 용액배출장치를 제공하여 절연코팅 품질향상에 기여하는 데 그 목적이 있다.The technical means in the present invention is to provide a solution discharging device that serves as a descaling device and a vortex reducing device of the surface portion of the solution pick-up roll suitable for the reverse coating technology to contribute to the improvement of the insulation coating quality.

본 발명은 역방향 절연코팅장치에 있어서 용액픽업롤(3)과 용액두께조절롤(2)의 사이의 상부에 이격되어 위치하며, 그 하단에는 스폰지가 부착된 절곡플레이트(50)와 상기 절곡플레이트(50)에 롤러의 일측이 부착고정되며, 상기 용액픽업롤(3)의 회전축(32)으로부터 회전력을 전달받아 회전하는 지지롤(23)을 일측에 장착한 벨트형 모직포(22)로 구성된 것을 특징으로 하는 역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치를 제공한다.The present invention is spaced apart in the upper portion between the solution pick-up roll (3) and the solution thickness control roll (2) in the reverse insulation coating device, the bottom of the bending plate 50 and the bending plate attached to the bending plate ( One side of the roller is attached and fixed to the 50, consisting of a belt-shaped wool fabric 22 mounted on one side of the support roll 23 to rotate to receive the rotational force from the rotating shaft 32 of the solution pick-up roll (3) It provides a reverse three-roll type coating roll surface descaling and solution overflow prevention device characterized in that.

본 발명은 역방향 절연코팅방법의 3롤타입 코팅롤 표면에 묻어 있는 스케일을 라인정지없이 작업중 자동으로 제거하여 스케일로 인한 코팅결함을 줄일 수 있으며, 작업중 발생되는 용액의 거품으로 인한 작업장애를 획기적으로 줄일 수 있는 효과를 발휘한다.The present invention can reduce the coating defects due to the scale by automatically removing the scale on the surface of the three-roll type coating roll of the reverse insulation coating method without the line stop, and dramatically reduces the work failure due to the foam of the solution generated during the operation It can reduce the effect.

절연코팅, 스케일제거, 와류, 모직포, 용액픽업롤Insulation Coating, Scale Removal, Vortex, Wool Fabric, Solution Pickup Roll

Description

역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치{Apparatus for removing the scale and overflow of the reverse 3 roll type coating roller}Apparatus for removing the scale and overflow of the reverse 3 roll type coating roller}

도 1은 종래의 정방향 코팅롤 표면부 스케일 제거기를 보인 사시도,Figure 1 is a perspective view showing a conventional forward coating roll surface portion scale remover,

도 2는 도 1의 A-A 단면도,2 is a cross-sectional view taken along line A-A of FIG.

도 3은 본 발명 장치의 사시도 겸 작용도, 3 is a perspective view and a functional view of the device of the present invention,

도 4는 본 발명 장치의 스케일 제거기의 확대도,4 is an enlarged view of a descaler of the device of the present invention;

도 5는 본 발명 장치의 측면도이다.5 is a side view of the apparatus of the present invention.

♠주요부분에 대한 부호의 설명♠♠ Explanation of symbols for main parts ♠

1 : 코팅롤 2 : 용액두께조절롤 3 : 용액픽업롤DESCRIPTION OF SYMBOLS 1 Coating roll 2 Solution thickness control roll 3 Solution pick-up roll

4 : 브레이드 5 : 스폰지 6 : 경첩4: braid 5: sponge 6: hinge

20 : 고정베이스 21 : 고정플레이트 22 : 벨트형 모직포20: fixed base 21: fixed plate 22: belt type wool fabric

24 : 송풍기 25 : 흡착기 50 : 절곡플레이트24: blower 25: adsorber 50: bending plate

51 : 드레인라인 62 : 용액51 drain line 62 solution

본 발명은 역방향 절연코팅시 발생되는 역방향 3롤타입 코팅롤 표면부 스케일 제거 및 용액넘침 방지장치에 관한 것이다.The present invention relates to a descaling and solution overflow prevention device of the reverse three-roll type coating roll generated during the reverse insulation coating.

일반적으로 절연코팅을 하는 3롤 코터설비 내 취부된 스케일 제거기는 도 1 및 도 2에서와 같이 정방향 절연코팅에 대한 스케일 제거장치가 설치되어 있다.In general, the scale remover mounted in the three-roll coater facility for insulation coating is provided with a scale removing device for the forward insulation coating as shown in Figs.

용액(10)을 용액픽업롤(3)이 끌어올리면 용액두께 조절롤(2)을 거쳐 코팅롤(1)에 의해 스트립의 위에 용액(10)이 도포되는데 이 때 코팅롤(1)의 회전방향과 스트립의 회전방향이 동일하므로 정방향 절연코팅이라고 한다.When the solution pick-up roll 3 pulls up the solution 10, the solution 10 is applied onto the strip by the coating roll 1 via the solution thickness adjusting roll 2, in which the rotation direction of the coating roll 1 is applied. Since the direction of rotation of the strip is the same, it is called forward insulation coating.

정방향 절연코팅에 대한 스케일 제거장치는 용액픽업롤(3)을 따라 픽업되는 스케일은 브레이드(4) 내접부 스폰지(5)에 의하여 제거되고, 브레이드(4)를 지지하는 커버(15) 하단에는 격리판(13)이 수직으로 설치되어 용액 내 와류현상을 방지하며, 유입부(12)를 통하여 유입된 용액(10)은 드레인라인(18)을 통해 배출되어 별도의 저장탱크를 통하여 펌핑되어 재사용된다.Descaling device for the forward insulation coating, the scale picked up along the solution pick-up roll (3) is removed by the inner sponge (5) of the braid (4), it is isolated under the cover (15) supporting the braid (4) The plate 13 is installed vertically to prevent vortices in the solution, and the solution 10 introduced through the inlet 12 is discharged through the drain line 18 and pumped through a separate storage tank to be reused. .

이와 같은 종래 장치는 정방향 절연코터에 대한 스케일 제거기로는 활용이 되나 새롭게 개발된 역방향 코팅일 경우 브레이드(4)로 인한 용액픽업롤(3)이 손상되는 문제가 야기되었다.Such a conventional device is utilized as a scale remover for the forward insulation coater, but the newly developed reverse coating causes a problem that the solution pick-up roll 3 is damaged due to the braid 4.

따라서 본 발명에서는 역방향 코팅기술 개발에 따른 용액픽업롤(3) 표면부 스케일 제거 및 용액두께 조절롤(2)과 용액픽업롤(3) 사이에서 발생되는 용액을 별도의 드레인라인을 통하여 배출시켜 와류현상으로 인한 과다 거품발생을 예방하기 위한 역방향 3롤타입 코팅폴 표면부 스케일제거 및 용액넘침 방지장치를 제공하고자 한다.Therefore, in the present invention, the solution pick-up roll (3) is removed from the surface portion according to the reverse coating technology and the solution thickness control roll (2) and the solution generated between the solution pick-up roll (3) through a separate drain line vortex In order to prevent excessive foaming caused by the phenomenon, it is to provide a reverse 3 roll type coating pole surface descaling and solution overflow prevention device.

본 발명에서의 기술적 수단으로서는 역방향 코팅기술에 맞는 용액픽업롤의 표면부 스케일 제거 및 와류감소장치를 겸하는 용액배출장치를 제공하여 절연코팅 품질향상에 기여하는 데 그 목적이 있다.The technical means in the present invention is to provide a solution discharging device that serves as a descaling device and a vortex reducing device of the surface portion of the solution pick-up roll suitable for the reverse coating technology to contribute to the improvement of the insulation coating quality.

전술한 기술적 과제를 달성하기 위하여 본 발명은 역방향 절연코팅장치에 있어서 용액픽업롤(3)과 용액두께조절롤(2)의 사이의 상부에 이격되어 위치하며, 그 하단에는 스폰지가 부착된 절곡플레이트(50)와 상기 절곡플레이트(50)에 롤러의 일측이 부착고정되며, 상기 용액픽업롤(3)의 회전축(32)으로부터 회전력을 전달받아 회전하는 지지롤(23)을 일측에 장착한 벨트형 모직포(22)로 구성된 것을 특징으로 하는 역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치를 제공한다.In order to achieve the above technical problem, the present invention is located in the reverse separation coating device in the upper space between the solution pick-up roll 3 and the solution thickness control roll (2), the lower end of the bending plate attached to the sponge One side of the roller is attached and fixed to the 50 and the bending plate 50, and the belt-type is provided with a support roll 23 on one side to rotate by receiving a rotational force from the rotation shaft 32 of the solution pick-up roll (3) It provides a reverse three-roll coating roll surface descaling and solution overflow prevention device, characterized in that composed of a woolen fabric (22).

이하 첨부된 도면을 참조하여 본 발명의 구성을 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the present invention.

본 발명은 크게 용액픽업롤(3) 표면부 산화스케일 제거기와 용액 픽업롤(3)과 용액두께 조절롤(2) 사이에 픽업되어 고여 있는 용액의 와류감소와 배출을 위한 장치로 대분된다.The present invention is largely divided into an apparatus for reducing and discharging the vortex of the solution which is picked up between the surface portion of the solution pick-up roll 3 and the oxidation scale remover and the solution pickup roll 3 and the solution thickness control roll 2.

도 3의 (a)는 본 발명 장치의 사시도이며, 도 4는 본 발명 장치의 스케일 제거기의 확대도, 도 5는 본 발명 장치의 측면도이며 도면의 부호를 함께 사용하여 설명한다.FIG. 3A is a perspective view of the apparatus of the present invention, FIG. 4 is an enlarged view of the scale remover of the apparatus of the present invention, and FIG. 5 is a side view of the apparatus of the present invention, and will be described with reference to the drawings.

상기 용액픽업롤(3) 표면부 산화스케일 제거기는 절곡플레이트(50) 하단에 스폰지(60)가 부착되어 용액(62) 내 침전되어 위치하고, 상기 절곡플레이트(50)는 고정플레이트(21)에 고정지지되어 용액픽업롤(3)과 용액두께조절롤(2) 상단으로부터 이격된다.The surface portion of the solution pick-up roll (3) oxide scale remover is attached to the bottom of the bending plate 50, the sponge 60 is attached to precipitate in the solution 62, the bending plate 50 is fixed to the fixed plate 21 It is supported and spaced apart from the top of the solution pick-up roll (3) and the solution thickness control roll (2).

상기 절곡플레이트(50)의 후면부는 차단판(52)에 의해 밀폐되고, 전면부에는 드레인라인(51)부가 고정용접되고, 드레인라인(51)을 통해 배출되는 용액은 별도의 수집용 탱크를 통해 모아져 펌핑 재공급되어 사용하게 된다.The rear portion of the bending plate 50 is sealed by the blocking plate 52, the drain line 51 is fixed welded to the front portion, the solution discharged through the drain line 51 through a separate collection tank It is collected and pumped again for use.

벨트형 모직포(22)의 끝단에는 송풍기(24)와 흡입기(25)가 위치하며 일정갭을 유지하되 갭 사이로는 벨트형 모직포(22)가 통과하게 된다.The blower 24 and the inhaler 25 are positioned at the ends of the belt-type woolen fabric 22 and maintain a constant gap, but the belt-type woolen fabric 22 passes between the gaps.

상기 용액픽업롤(3)의 표면부 스케일 제거기는 회전축(32)에 인가되어 회전력을 벨트(30)를 통해 회전축(31)에 전달되고 전달된 회전력에 의해 기어(28)(26)부와 맞물리어 지지롤(23)을 회전시키고 회전롤(23a)과 또 다른 회전롤(23b) 사이에는 벨트형 모직포(22)가 견인되어 용액픽업롤(3) 표면에 붙어있는 스케일을 제거하게 된다.The surface portion descaler of the solution pick-up roll 3 is applied to the rotating shaft 32 to transmit the rotating force to the rotating shaft 31 through the belt 30 and to mesh with the gear 28 and 26 by the transmitted rotating force. The rear support roll 23 is rotated and the belt-shaped woolen fabric 22 is pulled between the rotary roll 23a and the other rotary roll 23b to remove the scale attached to the surface of the solution pick-up roll 3.

상기 절곡플레이트(50) 일측면에는 하단부와 관통되는 유입구(43)와 그 상단에는 핀(42)에 축설되어 용액에 의해 개폐되는 유동카버(40)가 구성된다.One side of the bending plate 50 has a lower portion and an inlet 43 penetrating therethrough and a flow cover 40 which is arranged on the pin 42 and opened and closed by a solution.

이하, 이와 같이 구성되는 본 발명의 작용을 설명한다.Hereinafter, the operation of the present invention configured as described above will be described.

상기 용액픽업롤(3), 용액두께조절롤(2)은 시계방향 코팅롤(1)은 반시계방향으로, 회전시 용액픽업롤(3)을 통하여 픽업되는 용액(62)은 일정한 와류가 형성된다.The solution pick-up roll (3), the solution thickness control roll (2) is a clockwise coating roll (1) in the counterclockwise direction, the solution 62 is picked up through the solution pick-up roll (3) during rotation is a constant vortex is formed do.

이와 같이 형성된 와류는 절곡플레이트(50)에 의하여 소멸되고, 계속해서 발생된 와류는 용액(62)으로 하여금 유입구(43)를 통하여 유동카버(40)를 밀치면서 절곡플레이트(50) 내 용액이 유입된다.The vortex formed as described above is extinguished by the bending plate 50, and the generated vortex continues to cause the solution 62 to push the flow cover 40 through the inlet 43 so that the solution in the bending plate 50 flows in. do.

이와 같이 유입된 용액(62)은 드레인라인(51)을 통하여 배출되어 별도의 용액 저장통 내 충진되어 펌핑공급 재소모된다.The solution 62 introduced in this way is discharged through the drain line 51 and filled in a separate solution reservoir, and the pumping supply is consumed again.

상기와 같은 작용에 의하여 용액픽업롤(3)과 용액두께조절롤(2) 사이에 유입된 용액(62)의 와류현상이 소멸되어 과다하게 발생되는 거품을 예방하는 효과를 보인다.By the above-described action, the vortex phenomenon of the solution 62 introduced between the solution pick-up roll 3 and the solution thickness control roll 2 disappears, thereby preventing the excessive foaming.

한편, 상기 스트립(S) 표면부와 직접 접촉되어 코팅중 발생된 스케일은 코팅롤(1) 표면에 1차적으로 묻어 용액 두께조절롤(2)을 통하여 용액(62) 내 유입되고, 유입된 스케일은 용액픽업롤(3)을 따라 이동되면서 밀착된 벨트형모직포(22)에 묻어 잔류된다.On the other hand, the scale generated during the coating is in direct contact with the surface of the strip (S) is first buried in the surface of the coating roll (1) flows into the solution 62 through the solution thickness control roll (2), the scale introduced The silver remains buried in the belt-type woolen fabric 22 that is in close contact with the solution pick-up roll 3.

계속해서 잔류된 스케일을 용액픽업롤(3) 표면으로부터 이격되게 처리하기 위해서는 상기 용액픽업롤(3) 표면에 밀착된 벨트형 부직포(22)를 회전시켜 송풍기(24)를 통해 묻어있는 스케일을 1차적으로 떨어뜨려 흡입기(25)를 통하여 흡입하여 완전하게 제거한다.In order to process the remaining scale away from the surface of the solution pick-up roll 3, the belt-type nonwoven fabric 22 in close contact with the surface of the solution pick-up roll 3 is rotated to obtain a scale that is buried through the blower 24. It is dropped by car and sucked in through the inhaler 25, and it removes completely.

즉 회전축(32)을 통해 얻어지는 회전력은 벨트(30)를 통해 회전축(32)을 회전시키고, 이 때 일체화된 기어(28)가 회전되어 맞물린 지지롤(23)을 회전시킴으로써 인해 견인된 벨트형 모직포(22)를 회전시키고, 모직포(22)가 회전되므로 용액픽업롤(3) 표면에 묻어 있는 스케일은 외부로 유도되어 송풍기(24)에 의해 분리흡입기(25)를 통하여 벨트형 부직포(22)로부터 완전히 제거되는 것이다.That is, the rotational force obtained through the rotation shaft 32 rotates the rotation shaft 32 through the belt 30, and at this time, the belt-like wool pulled by rotating the support roll 23 in which the integrated gear 28 is rotated and engaged. Since the fabric 22 is rotated and the woolen fabric 22 is rotated, the scale buried on the surface of the solution pick-up roll 3 is guided to the outside, and the belt-type nonwoven fabric 22 is separated by the blower 24 through the separating suction 25. ) Is completely removed from

상기와 같이 본 발명은 역방향 절연코팅방법의 3롤타입 코팅롤 표면에 묻어 있는 스케일을 라인정지없이 작업중 자동으로 제거하여 스케일로 인한 코팅결함을 줄일 수 있으며, 작업중 발생되는 용액의 거품으로 인한 작업장애를 획기적으로 줄일 수 있는 효과를 발휘한다. As described above, the present invention can reduce the coating defect due to the scale by automatically removing the scale buried on the surface of the three-roll type coating roll of the reverse insulation coating method without line stop, work failure due to the foam of the solution generated during the operation It is effective to drastically reduce.

Claims (4)

역방향 절연코팅장치에 있어서,In the reverse insulation coating device, 용액픽업롤(3)과 용액두께조절롤(2)의 사이의 상부에 이격되어 위치하며, 그 하단에는 스폰지가 부착된 절곡플레이트(50)와;Located at the top spaced apart between the solution pick-up roll (3) and the solution thickness control roll (2), the lower end of the bending plate 50 is attached to the sponge; 상기 절곡플레이트(50)에 롤러의 일측이 부착고정되며, 상기 용액픽업롤(3)의 회전축(32)으로부터 회전력을 전달받아 회전하는 지지롤(23)을 일측에 장착한 벨트형 모직포(22)와;One side of the roller is attached and fixed to the bending plate 50, the belt-type woolen fabric 22 equipped with a support roll 23 on one side to rotate by receiving a rotational force from the rotating shaft 32 of the solution pick-up roll (3) )Wow; 상기 절곡플레이트(50)의 상부 일측에 용액을 배출하는 드레인라인(51)을 포함하는 것을 특징으로 하는 역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치.Reverse 3 roll type coating roll surface portion descaling and solution overflow prevention device, characterized in that it comprises a drain line (51) for discharging the solution on the upper side of the bending plate (50). 청구항 1에 있어서,The method according to claim 1, 상기 벨트형 모직포(22)를 사이로 받아들여 용액을 짜주는 송풍기(24) 및 흡입기(25)를 더 포함하는 것을 특징으로 하는 역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치.Reverse belt roll surface descaling and solution overflow prevention device, characterized in that it further comprises a blower (24) and the inhaler (25) to squeeze the solution by receiving the belt-type woolen cloth (22). 청구항 1에 있어서,The method according to claim 1, 상기 절곡플레이트(50)의 상부에는 발생된 와류로 인하여 용액(62)이 유입되는 유입구(43)와 상기 유입구(43)를 덮는 유동카버(40)를 더욱 포함하는 것을 특징으로 하는 역방향 3롤타입 코팅롤 표면부 스케일제거 및 용액넘침 방지장치.The upper portion of the bending plate 50, the reverse three-roll type further comprises a flow cover 40 covering the inlet port 43 and the inlet port 43 is introduced into the solution 62 due to the generated vortex Descaling of coating roll surface and prevention of solution overflow. 삭제delete
KR1020030052165A 2003-07-29 2003-07-29 Apparatus for removing the scale and overflow of the reverse 3 roll type coating roller KR100971972B1 (en)

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KR100833077B1 (en) * 2007-03-21 2008-05-27 주식회사 포스코 Apparatus for preventing scattering of coating liquid of coating roll
KR101408219B1 (en) * 2012-08-30 2014-06-17 주식회사 포스코 Apparatus and method for driving drip pan cover, resin coating apparatus using the same

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Publication number Priority date Publication date Assignee Title
JPS63229477A (en) * 1987-03-18 1988-09-26 Sumitomo Electric Ind Ltd Device for coating and cleaning release agent
KR19990020141U (en) * 1997-11-24 1999-06-15 이구택 Over-solution prevention device of transfer roll for strip coating
KR200153861Y1 (en) 1995-12-23 1999-08-02 이구택 Apparatus for checking of oxidized scale
KR20010053861A (en) * 1999-12-02 2001-07-02 이계철 Device for the real-time notification of a customer network fault in multi-layer data networks and method thereof
KR100311802B1 (en) 1997-12-24 2001-11-15 이구택 Method for coating inorganic insulation coating solution

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63229477A (en) * 1987-03-18 1988-09-26 Sumitomo Electric Ind Ltd Device for coating and cleaning release agent
KR200153861Y1 (en) 1995-12-23 1999-08-02 이구택 Apparatus for checking of oxidized scale
KR19990020141U (en) * 1997-11-24 1999-06-15 이구택 Over-solution prevention device of transfer roll for strip coating
KR100311802B1 (en) 1997-12-24 2001-11-15 이구택 Method for coating inorganic insulation coating solution
KR20010053861A (en) * 1999-12-02 2001-07-02 이계철 Device for the real-time notification of a customer network fault in multi-layer data networks and method thereof

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