[go: up one dir, main page]

KR100231157B1 - Method of preparation of u.v coating blackboard usable marker pen - Google Patents

Method of preparation of u.v coating blackboard usable marker pen Download PDF

Info

Publication number
KR100231157B1
KR100231157B1 KR1019970001333A KR19970001333A KR100231157B1 KR 100231157 B1 KR100231157 B1 KR 100231157B1 KR 1019970001333 A KR1019970001333 A KR 1019970001333A KR 19970001333 A KR19970001333 A KR 19970001333A KR 100231157 B1 KR100231157 B1 KR 100231157B1
Authority
KR
South Korea
Prior art keywords
weight
blackboard
base material
chalk
mixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1019970001333A
Other languages
Korean (ko)
Other versions
KR19980066029A (en
Inventor
이철규
권혁배
Original Assignee
권혁배
한국특수판넬주식회사
이철규
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 권혁배, 한국특수판넬주식회사, 이철규 filed Critical 권혁배
Priority to KR1019970001333A priority Critical patent/KR100231157B1/en
Publication of KR19980066029A publication Critical patent/KR19980066029A/en
Application granted granted Critical
Publication of KR100231157B1 publication Critical patent/KR100231157B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

본 발명의 칠판은 일반 백묵칠판과 같은 색깔의 바탕색을 갖되 공해 및 질병의 원인이 되는 백묵을 사용하지 않고 백묵색깔의 마커펜을 사용할 수 있게 함으로써 백묵사용에 따른 제반불편을 해소할 수 있도록한 것으로서, 아연도철판으로 되는 모재(1)의 표면을 탈지제로서 탈지수세한 후 산처리하여 산화피막층(2)을 형성하고, 그 위에 산화규소 70중량%, 산화아연 30중량%의 비율로 혼합한 하도제를 40∼50μ두께로 도포하여 상온에서 40∼60분 건조경화시켜 하도막층(3)을 이룬다음, 폴리비닐 95중량%, DOP 가소제 3중량%, 티타늄 1중량%, 안정제 1중량%, 녹색완료가 일정비율로 각각 혼합된 혼합제를 하도막층(3)이 도포된 모재(1)의 상면에 180∼200℃에서 0.12∼0.3mm의 두께로 롤압착하여 P,V,C 코팅층(4)을 형성하고, 그 표면에 특정모양을 실크인쇄하여 상온에서 30∼40분 동안 건조시킨 다음 그 위에 ULTRA VIOLET 레진 99중량%, 경화제 0.5중량%, 레베링 0.5중량% 비율로 혼합한 유액을 20∼30μ 도포한후 100∼130℃의 자외선으로 경화 건조시켜 U,V 코팅층(5)을 형성한 것을 특징으로 하는 마커펜 사용이 가능한 U,V 코팅칠판의 제조방법이다.The blackboard of the present invention has the same color as that of a normal chalk board, but it is possible to use a chalk-colored marker pen without using chalk that causes pollution and disease. The surface of the base material 1, which is a galvanized steel sheet, is degreased, washed with acid, and acid treated to form an oxide film layer 2 thereon, which is mixed at a ratio of 70% by weight of silicon oxide and 30% by weight of zinc oxide. The agent was applied to a thickness of 40 to 50 µm, dried and cured at room temperature for 40 to 60 minutes to form the undercoat layer 3, followed by 95% by weight of polyvinyl, 3% by weight of DOP plasticizer, 1% by weight of titanium, 1% by weight of stabilizer, and green The mixtures, each of which was mixed at a constant ratio, were roll-compressed to the upper surface of the base material 1 to which the undercoat layer 3 was applied at a thickness of 0.12 to 0.3 mm at 180 to 200 ° C. to form the P, V, and C coating layers 4. Form and silk-print a specific shape on the surface After drying for 0 to 40 minutes, apply 20 to 30μ of emulsion mixed in 99% by weight of ULTRA VIOLET resin, 0.5% by weight of curing agent, and 0.5% by weight of levering, and then harden and dry with UV at 100-130 ℃. , V coating layer (5) is characterized in that the marker pen can be used U, V coated blackboard manufacturing method.

Description

마커펜 사용이 가능한 U,V 코팅 칠판의 제조방법Manufacturing method of U, V coated blackboard that can use marker pen

제1도는 본 발명의 칠판제도 과정을 나타내는 일부단면도.1 is a partial cross-sectional view showing the blackboard system of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 모재 2 : 산화피막층1: base material 2: oxide film layer

3 : 하도막층 4 : P,V,C 코팅층3: undercoat layer 4: P, V, C coating layer

5 : U,V 코팅층5: U, V coating layer

본 발명은 마커펜(marker pen) 사용이 가능한 U,V 코팅 칠판의 제조방법에 관한 것으로, 더욱 상세하게는 일반 백묵칠판과 같은 바탕색을 갖되 공해 및 질병유발의 원인이 되는 백묵을 사용하지 않고 백물색깔의 마커펜, 다시말해 수성펜등을 백묵대신 사용할 수 있게함으로써 백물사용에 따른 제반불편을 해소할 수 있도록 함은 물론 운필성과 지움성을 향상시킨 칠판제조 방법에 관한 것이다.The present invention relates to a method of manufacturing a U, V coated blackboard that can be used as a marker pen, and more particularly, having a background color such as a general chalk board, but without using chalk to cause pollution and disease. The present invention relates to a method of manufacturing a blackboard that improves the pencilability and eraseability as well as eliminating inconveniences caused by the use of white water by allowing colored marker pens, that is, aqueous pens, to be used instead of chalk.

일반적으로 대다수 교습용 칠판의 경우 시각적으로 피로감을 덜주고 안정감을 주는 녹색을 바탕색으로 한 칠판을 사용하고 있는 것으로, 이 경우 필기구로서 백묵을 사용하는 것이 교습용 칠판사용의 기본인 것이다.In general, most teaching blackboards use a green-based blackboard that provides visual fatigue and stability. In this case, using chalk as a writing instrument is the basis of the teaching blackboard.

그러나, 상기와 같이 백묵을 사용하는 칠판은 시각적으로 피로감을 덜주고 안정감을 주는 측면, 다시말해 피교습자의 눈을 보호하는 측면에서는 사용상 별무리가 없지만, 그 칠판과 아울러 사용되는 필기구는 반드시 백묵이어야만 하므로 이미 주지하고 있듯이 백묵을 사용하는데 따른 제반불편, 즉 필기시 및 필기된 내용을 지우개로 지우는 과정에서 백묵가루가 날리게 되어 백묵을 사용하는 강사는 물론이고 같은 강의실내의 피교습자들 까지도 백묵가루에 의한 공해를 피할 수 없게되어 건강을 해치게되는 문제점이 있으며, 또한 칠판에 적힌 내용을 지운 지우개의 처리에 있어서도 지우개를 털이개로 털어야 하는데 따라 미세한 백묵가루들이 공기를 오염시킴으로써 환경문제에도 크게 역행하게 되는 등의 심각한 문제를 유발하는 것이었다.However, the blackboard using chalk as described above has no use in terms of visual fatigue and stability, that is, in terms of protecting the eyes of the subjects, but writing instruments used with the blackboard must be chalk. Therefore, as it is well known, chalk powder is blown in the process of using chalk, that is, when writing and erasing the written contents with an eraser, so not only the instructor who uses chalk but also the students in the same classroom. There is a problem that the pollution caused by the inevitable damage to health, and also to erase the contents written on the blackboard to erase the hair with an eraser, as the fine chalk powder contaminates the air, thereby greatly reversing the environmental problems It was causing serious problems.

또한 근자에 들어서 상기와 같이 백묵을 사용하는데 따라 야기되는 제반문제점으로부터 탈피하고자 공해발생이 적은 수성펜이나 마커펜을 사용할 수 있도록 한 하얀칠판(white board)이나, 세라믹 칠판이 안출, 사용되고 있는 실정이나, 이것은 백묵을 사용하지 않고 마커펜을 사용하므로 백묵가루에 따른 공해유발의 문제가 없을지는 모르나 칠판의 바탕색이 흰색이므로 시각적으로 안정감을 주지못해 피교습자들의 눈이 쉬 피로해질우려가 있어 그만큼 학습능률을 저해하게 되어 효율적인 학습을 이룰 수 없게 되는 문제가 발생되었으며, 세라믹 칠판의 경우에는 칠판면이 세락믹으로 되어 있기 때문에 마커펜 사용할 때 내약품성이 약하여 운필성과 지움성이 떨어져 칠판사용이 매우 어려운 상태로 되어 다시 새로운 제품으로 교환을 해야하는 문제가 발생되었다.In addition, in order to escape from the problems caused by the use of chalk as mentioned above, a white board or a ceramic blackboard where a low-pollution water-based pen or marker pen can be used, This may not be a problem of pollution caused by chalk powder because it uses a marker pen, but it does not give visual stability because the background color of the blackboard is white, which makes the eyes of the subjects tired easily. The problem is that it is not possible to achieve efficient learning, and in the case of ceramic blackboards, since the surface of the blackboard is ceramic, the chemical resistance is weak when using the marker pen. Problem that needs to be replaced with a new product Occurred.

따라서 본 발명은 상기한 바와 같은 지금까지의 종래 칠판들의 제반문제점을 감안하여 백묵을 사용하는 칠판과 같은 색깔의 바탕색을 갖는 칠판에 백묵색깔의 수성 또는 마커펜을 사용할 수 있게 함은 물론 운필성과 지움성을 향상시킴으로써 시각적으로 안정감을 주는 기존의 칠판과 같은 색깔의 바탕색으로 되는 칠판을 공해유발 요인이 높은 백묵을 전혀 사용하지 않고서도 사용할 수 있도록 하여 강사나 피교습자 모두가 청결한 상태에서 보다 향상된 학습효과를 기대할 수 있는 마커펜 사용이 가능한 U,V코팅 칠판의 제조방법을 제공함을 그 목적으로 하는 것으로 첨부도면을 참고로 상세히 설명하면 다음과 같다.Therefore, the present invention allows the use of chalk-based aqueous or marker pens on a blackboard having a background color of the same color as the blackboard using chalk in view of the conventional problems of the conventional blackboards as described above. Improved learning ability allows the board, which is the same color as the existing board to provide visual stability, without using any chalk that has high pollution-causing factors. The purpose of the present invention is to provide a method of manufacturing a U, V-coated blackboard that can be used as a marker pen, which will be described in detail with reference to the accompanying drawings.

일정크기의 아연도철판으로 되는 모재(1)의 표면을 탈지제로서 탈지수세한 후 산처리하여 산화피막층(2)을 형성하고, 그 위에 산화규소 70중량%, 산화아연 30중량%의 비율로 혼합한 하도제를 40∼50μ두께로 도포하여 상온에서 40∼60분 건조경화시켜 하도막층(3)을 이룬다음, 폴리비닐 95중량%, DOP 가소제 3중량%, 티타늄 1중량%, 안정제 1중량%, 녹색완료가 일정비율로 각각 혼합된 혼합제를 하도막층(3)이 도포된 모재(1)의 상면에 180∼200℃에서 0.12~0.3mm의 두께로 롤압착하여 P,V,C 코팅층(4)을 형성하고, 그 표면에 특정모양을 실크인쇄하여 상온에서 30~40분 동안 건조시킨 다음 그 위에 ULTRA VIOLET 레진 99중량%, 경화제 0.5중량%, 레베렝 0.5중량% 비율로 혼합한 유액을 20∼30μ 도포한후 100∼130℃의 자외선으로 20∼30초 경화건조시켜 U,V코팅층(5)을 형성한 것을 특징으로 하는 마커펜 사용이 가능한 U,V코팅 칠판의 제조방법이다.The surface of the base material 1, which is a galvanized iron plate of a certain size, is degreased and washed with a degreasing agent, followed by acid treatment to form an oxide film layer 2, which is mixed at a ratio of 70% by weight of silicon oxide and 30% by weight of zinc oxide. One coat was applied to a thickness of 40-50 μm, and then dried and cured at room temperature for 40 to 60 minutes to form the undercoat layer (3), followed by 95% by weight of polyvinyl, 3% by weight of DOP plasticizer, 1% by weight of titanium, and 1% by weight of stabilizer. P, V, C coating layers (4) were roll-compressed to the upper surface of the base material (1) on which the green finishes were mixed at a constant ratio to a thickness of 0.12 to 0.3 mm at 180 to 200 ° C. ), Silk-printed a specific shape on the surface, dried at room temperature for 30 to 40 minutes, and then mixed with an emulsion of 99% by weight of ULTRA VIOLET resin, 0.5% by weight of a curing agent, and 0.5% by weight of leverene. After the coating was carried out for 30 to 30 mu, curing was carried out for 20 to 30 seconds with ultraviolet rays at 100 to 130 ° C. to form the U and V coating layers 5. Marker is a manufacturing method of a pen capable of U, V used for coating the board.

도면중 미설명 부호 6는 모재(1) 뒷면에 접착제를 개재하여 부착되는 보강재를 나타낸다.In the figure, reference numeral 6 denotes a reinforcing member attached to the back of the base material 1 through an adhesive.

상술한 본 발명에 의한 마커펜사용이 가능한 U,V 코팅칠판의 제조방법에 대해 보다 상세히 설명하기로 한다.The manufacturing method of the U, V-coated blackboard which can use a marker pen according to the present invention will be described in more detail.

먼저 코일상(coil 狀) 또는 판상(sheet 狀)으로 되며 U,V재와 친화력이 우수한 아연도철판을 일정크기로 절단하여 모재(1)를 구성한다.First, the base material 1 is formed by cutting a galvanized steel sheet having a coil shape or a sheet shape and having excellent affinity with U and V materials to a certain size.

그 다음 상기 모재(1)가 함유하고 있는 이물질을 제거하기 위해 가성소다를 주원료로 하는 탈지제를 이용하여 모재(1)의 표면을 탈지수세한후 하도제의 접착성을 좋게하기 위하여 모재(1) 표면을 산처리하여 산화피막층(2)을 형성한다.Subsequently, after degreasing the surface of the base material 1 using a degreasing agent containing caustic soda as a main raw material to remove foreign substances contained in the base material 1, the base material 1 to improve the adhesion of the base material. The surface is acid treated to form an oxide film layer 2.

이와 같이 모재(1) 표면의 모든 이물질이 제거되고 산화피막층(2)이 형성된 상태에서 산화규소 70중량%, 산화아연 30중량%의 비율로 각각 혼합한 하도제를 40∼50μ 두께로 모재(1)표면에 골고루 도포한후 상온에서 40∼60분 건조경화시켜 하도막층(3)을 이룬다.As described above, all the foreign substances on the surface of the base material 1 were removed and the base material having a thickness of 40 to 50 μm was respectively mixed in a ratio of 70% by weight of silicon oxide and 30% by weight of zinc oxide in a state where the oxide film layer 2 was formed. ) Evenly applied to the surface and dried for 40 to 60 minutes at room temperature to form the undercoat layer (3).

이때 상기 하도막층(3)의 내열온도는 600℃ 정도로 내열성이 우수한 상태로 된다.At this time, the heat resistance temperature of the undercoat layer 3 is in a state of excellent heat resistance at about 600 ℃.

이후 폴리비닐 95중량%, DOP 가소제 3중량%, 티타늄(지당) 1중량%, 안정제 1중량%, 녹색완료가 일정비율로 각각 혼합된 혼합제를 하도막층(3)이 도포된 모재(1)의 상면에 180∼200℃에서 0.12~0.3mm의 두께로 롤압착하여 P,V,C 코팅층(4)을 형성하는데, 상기 P,V,C 코팅층(4)을 형성할 때 사용되는 폴리비닐 대신에 본 고안에서는 열가소성수지(폴리스티렌, 폴리에틸렌, 폴리프로필렌등)는 어느것이나 선택하여 사용할 수 있음은 물론이다.Thereafter, 95% by weight of polyvinyl, 3% by weight of DOP plasticizer, 1% by weight of titanium (per fat), 1% by weight of stabilizer, and a green mixture of the base material (1) to which the undercoat layer (3) was applied. Roll-compress the upper surface to a thickness of 0.12 to 0.3 mm at 180 to 200 ° C. to form a P, V, C coating layer 4, instead of the polyvinyl used to form the P, V, C coating layer 4 In the present invention, of course, any thermoplastic resin (polystyrene, polyethylene, polypropylene, etc.) can be selected and used.

상기와 같이 P,V,C 코팅층(4)을 형성한 후에 칠판에 일반적으로 그려지는 행(行) 간격선, 오선, 방안지, 스케일(scale)등의 문양을 실크인쇄하여 상온에서 30∼40분 동안 건조 시킨후 그 위에 ULTRA VIOLET 레진 99중량%, 경화제(건조첨가제) 0.5중량%, 레베링(평활성유지) 0.5중량% 비율로 혼합한 유액을 20∼30μ 두께로 도포한후 100∼130℃의 자외선으로 20∼30초 정도 경화 건조시켜 U,V 코팅층(5)을 형성 한것으로써 본 발명에 의한 칠판은 제작되는 것으로서, 이후 칠판의 모재(1) 뒷면에 우레탄 재로 판상으로된 보강재(6)를 접착제를 개재하여 덧대어 열융착함으로써, 칠판의 중량을 경량화 함은 물론 휨 강도를 강화시켜 칠판이 휘거나 변형되는 것을 효과적으로 억제하여 칠판의 수명을 연장할 수 있도록 한 것이다.After forming the P, V, C coating layer (4) as described above, silk-printed patterns such as line spacing lines, erroneous lines, squares, and scales, which are generally drawn on a board, for 30 to 40 minutes at room temperature. After drying for 20 to 30μ thick, a mixture of 99% by weight of ULTRA VIOLET resin, 0.5% by weight of a curing agent (drying additive), and 0.5% by weight of levering (smooth oil) was applied to a thickness of 100 to 130 ° C. The board according to the present invention is produced by curing and drying for about 30 to 30 seconds with ultraviolet rays to form a U, V coating layer (5). Then, a reinforcing member (6) having a plate shape of urethane material on the back of the base material (1) of the board. By gluing the adhesive pads through the adhesive, the weight of the board is reduced, and the bending strength is enhanced to effectively suppress the board from bending or deformation, thereby extending the life of the board.

상술한 칠판에 있어 P,V,C 코팅층(4)의 접착성을 좋게하기 위해 모재(1) 표면을 산처리하여 형성되는 산화피막층(2) 대신에 모재(1)표면을 샌딩처리하여 표면에 미세한 요철층을 형성함으로써 하도제가 보다 확실하게 접착될 수 있도록 하였다.In the above-described blackboard, the surface of the base material (1) is sanded on the surface instead of the oxide film layer (2) formed by acid treatment of the surface of the base material (1) in order to improve the adhesion of the P, V, C coating layer (4). By forming a fine concavo-convex layer, the primer was able to be bonded more reliably.

그리고 본 발명의 칠판을 이루는 모재(1)로서 아연도철판을 사용하였기 때문에 칠판을 필기판으로서 뿐만 아니라 자석교재를 이용하기 위한 하나의 자성체판으로서 사용할 수도 있으므로 학습효과를 배가시킬 수 있는 장점이 있다.And since the galvanized iron plate is used as the base material (1) forming the blackboard of the present invention, the blackboard can be used not only as a writing board but also as a magnetic plate for using a magnetic teaching material, thereby increasing the learning effect. .

이상의 설명에서 알 수를 있듯이 본 발명의 마커펜 사용이 가능한 U,V 코팅 칠판의 제조방법에 의하면, 일반칠판과 동일한 색깔의 바탕색을 갖되 필기구를 백묵이 아닌 수성펜이나 마커펜을 사용할 수 있도록 그 표면을 U,V코팅 처리함으로써 운필성과 지움성을 배가시키고 백묵사용에 따른 제반불편으로부터 벗어날 수 있게되는 동시에 피교습자 입장에서도 시각적으로 전혀 피로감을 느끼지 않고 보다 안정적인 상태에서 강의가 이루어질 수 있으므로 능률적인 학습효과를 기대할 수 있게 되는 것이다.As can be seen from the above description, according to the manufacturing method of the U and V-coated blackboards in which the marker pen of the present invention can be used, the surface has the same color as that of a general blackboard, but the surface of the writing instrument can be used as an aqueous pen or a marker pen instead of chalk. U and V coating process can increase the pillability and eraseability and escape from the inconvenience caused by the use of chalk, and the lectures can be conducted in a more stable state without any visual fatigue from the participant's position. You can expect.

Claims (1)

아연도철판 되는 모재(1)의 표면을 탈지제로서 탈지수세한 후 산처리하여 산화피막층(2)을 형성하고, 그 위에 산화규소 70중량%, 산화아연 30중량%의 비율로 혼합한 하도제를 40∼50μ 두께로 도포하여 상온에서 40∼60분 건조경화시켜 하도막층(3)을 이룬다음, 폴리비닐 95중량%, DOP 가소제 3중량%, 티타늄 1중량%, 안정제 1중량%, 녹색완료가 일정비율로 각각 혼합된 혼합제를 하도막층(3)이 도포된 모재(1)의 상면에 180∼200℃에서 0.12~0.3mm의 두께로 롤압착하여 상온에서 30∼40분 동안 건조시킨 다음, 그 위에 ULTRA VIOLET 레진 99중량%, 경화제 0.5중량%, 레베링 0.5중량% 비율로 혼합한 유액을 20∼30μ도포한후 100∼130℃의 자외선으로 경화건조시켜 U,V 코팅층(5)을 형성한 것을 특징으로 하는 마커펜 사용이 가능한 U,V 코팅 칠판의 제조방법.The surface of the base material 1 to be galvanized is degreased, washed with acid, and then acid treated to form an oxide film layer 2, on which an undercoat mixed with silicon oxide at a weight of 70% by weight and zinc oxide at 30% by weight. After coating to 40-50μ thickness, dry curing at room temperature for 40 to 60 minutes to form the undercoat layer (3), then 95% by weight of polyvinyl, 3% by weight of DOP plasticizer, 1% by weight of titanium, 1% by weight of stabilizer, green finished The mixtures mixed at a constant ratio were roll-compressed at a thickness of 0.12 to 0.3 mm at 180 to 200 ° C. on the upper surface of the base material 1 to which the undercoat layer 3 was applied, and then dried at room temperature for 30 to 40 minutes. 20-30 μL of the emulsion mixed at a ratio of 99% by weight of ULTRA VIOLET resin, 0.5% by weight of curing agent, and 0.5% by weight of levering was applied and cured and dried by UV light at 100-130 ° C. to form the U, V coating layer 5. Method for producing a U, V coated blackboard that can be used marker pen, characterized in that.
KR1019970001333A 1997-01-17 1997-01-17 Method of preparation of u.v coating blackboard usable marker pen Expired - Fee Related KR100231157B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019970001333A KR100231157B1 (en) 1997-01-17 1997-01-17 Method of preparation of u.v coating blackboard usable marker pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970001333A KR100231157B1 (en) 1997-01-17 1997-01-17 Method of preparation of u.v coating blackboard usable marker pen

Publications (2)

Publication Number Publication Date
KR19980066029A KR19980066029A (en) 1998-10-15
KR100231157B1 true KR100231157B1 (en) 1999-11-15

Family

ID=19494980

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970001333A Expired - Fee Related KR100231157B1 (en) 1997-01-17 1997-01-17 Method of preparation of u.v coating blackboard usable marker pen

Country Status (1)

Country Link
KR (1) KR100231157B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020014393A (en) * 2000-08-17 2002-02-25 신성진 Sticker Board
KR100909863B1 (en) 2007-11-15 2009-08-05 송민정 Manufacturing method of coating film for blackboard with excellent clarity and elimination and coating film for matt blackboard
CN103568652A (en) * 2012-07-23 2014-02-12 义乌市祥胜文化用品有限公司 Polypropylene panel allowing writing and production technology thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020014393A (en) * 2000-08-17 2002-02-25 신성진 Sticker Board
KR100909863B1 (en) 2007-11-15 2009-08-05 송민정 Manufacturing method of coating film for blackboard with excellent clarity and elimination and coating film for matt blackboard
CN103568652A (en) * 2012-07-23 2014-02-12 义乌市祥胜文化用品有限公司 Polypropylene panel allowing writing and production technology thereof
CN103568652B (en) * 2012-07-23 2015-07-22 义乌市祥胜文化用品有限公司 Polypropylene panel allowing writing and production technology thereof

Also Published As

Publication number Publication date
KR19980066029A (en) 1998-10-15

Similar Documents

Publication Publication Date Title
US7878812B2 (en) Adhesive-backed chalkboard wall covering
EP1607448A3 (en) Surface modified silica gels
KR100231157B1 (en) Method of preparation of u.v coating blackboard usable marker pen
CN102514323B (en) Multifunctional transparent plastic painting and calligraphy tracing and water writing training paper board and manufacture method thereof
WO1990011183A1 (en) Re-usable writing material
CN213228117U (en) Electrostatic adsorption erasable writing white board film
KR102014018B1 (en) Writing board applied with adhesive film paper for water board and steel paper and manufacturing method of the same
KR0139865B1 (en) Anti-abrasion paint and manufacturing method of steel blackboard thereby
JP2005028602A (en) Rewritable/erasable writing sheet
CN104695287A (en) Wallpaper capable of being repeatedly written
JP2006346442A (en) Water-discolorable puzzle and water-discolorable puzzle set using the same
US2087111A (en) Writing or drawing board
KR100373859B1 (en) The laminated writing board for marker pen and its manufacturing method
KR200209446Y1 (en) Board available for marker-pen
JP2011005723A (en) Water-discolored desk mat and water-discolored desk mat set using same
KR20080112499A (en) Sheet and sheet manufacturing method laminated to educational board
KR19990035141U (en) The manufacturing methods of ultra violet coating Resin board can use very easy attachable and detachable on the wall
KR970010598B1 (en) Coating compositions and mat film for drafting
JPH03153347A (en) matte film
JP2011075744A (en) Water allochroic re-peelable writing sheet and writing set using the same
KR100393527B1 (en) Process for manufacturing board
KR20000073622A (en) Aaaaa
JPH0333513Y2 (en)
JPS6250199A (en) Sheet-shaped article for writing
KR200296250Y1 (en) OPP laminate film coating whiteboard

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20020827

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20020827

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000