KR860000583Y1 - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- KR860000583Y1 KR860000583Y1 KR2019820004601U KR820004601U KR860000583Y1 KR 860000583 Y1 KR860000583 Y1 KR 860000583Y1 KR 2019820004601 U KR2019820004601 U KR 2019820004601U KR 820004601 U KR820004601 U KR 820004601U KR 860000583 Y1 KR860000583 Y1 KR 860000583Y1
- Authority
- KR
- South Korea
- Prior art keywords
- eraser
- nonwoven fabric
- layer
- blackboard eraser
- porous
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 고안의 일부파절 사시도.1 is a partially broken perspective view of the present invention.
제2도는 본 고안의 지우개포 구성층 확대도이다.2 is an enlarged view of the eraser constituting layer of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 발포수지제속판 2 : 중간다공포지1: foamed resin binding plate 2: intermediate porous paper
3 : 부직포다공포지 (가)(나) : 부직포섬유3: Nonwoven fabric porous paper (A) (B): Nonwoven fabric
(다) : 작은 다공체구멍 (다') : 큰 다공체구멍(C): Small porous hole (C '): Large porous hole
4 : 지우개판4: eraser board
본 고안은 흑판의 지우개포를 다공질의 부직포로 형성하여 지우개의 기능이 양호할뿐 아니라 오래 사용하여도 잘 닳지 아니하고 지우개를 사용할 때 촉감이 매우 부드러워 가벼운 마음으로 편리하게 사용할 수 있도록 한 것이다.The present invention is to form a eraser cloth of the blackboard with a porous non-woven fabric is not only a good function of the eraser, but also does not wear well even after long use, the touch is very soft when using the eraser so that it can be used conveniently with a light mind.
종래의 흑판지우개는 기판의 저면에 두터운 솜을 채워넣고 표면에 우단과 같은 파일지를 피복시켜 봉착한 것이기 때문에 새것일때는 지우개 작용이 비교적 양호하고 촉감도 좋으나 표피가 닳아서 직포부분이 노출되면 지우개가 잘 지워지지 않을 뿐 아니라 쿳션도 나빠지며 가루가 많이 날개되는 등의 결점이 있었다.Conventional blackboard erasers are filled with thick cotton on the bottom of the substrate and covered with a pile of paper like a velvet on the surface, so when the new ones are erased, the eraser works relatively well and feels good, but when the epidermis is worn out, the eraser is well exposed. Not only was it erased, but the cushion was bad and a lot of powder was flawed.
본 고안은 위와 같은 종래의 결점을 시정하기 위하여 안출한 것으로써 첨부된 도면에 의거 상세히 설명하면 다음과 같다The present invention is made in order to correct the above-mentioned drawbacks as described in detail based on the accompanying drawings as follows.
지우개 기판(4)의 내면부에 탄성이 큰 합성수지제 발포성형물(1)로 속판을 구성시키고 그 외면에 구멍(다')이 매우 크게 형성된 탄력성 부직포(2)를 일체가 되게 피복하여 접착 성형하고 표면에 다시 부직포 섬유층(가)(나)과 우모층이 두텁게 형성된 외부부직포(3)를 내면부가 접착되도록 일체로 구성시킨 구조이다.The inner plate of the eraser substrate 4 is composed of a foamed molded article 1 made of synthetic resin having a large elasticity, and the elastic nonwoven fabric 2 having a large hole (d ') formed on the outer surface thereof is integrally coated and adhesively molded. The outer nonwoven fabric 3 having a thick nonwoven fabric fiber layer (a) and a feather layer formed on the surface thereof is integrally formed so that the inner surface portion is bonded.
이와 같이된 본 고안은 섬유가 두터운 부직포(3)가 지우개의 최외면부에 형성되고, 그 내면에 다시 다공질의 부직포(2)가 게재되며, 기층인 속판(1)은 발포물로 이루어 졌기 때문에 탄력성이 좋고 표면의 우모와 기공이 풍부하게 될뿐 아니라, 부직포 포지이기 때문에 대한 마모력이 높으면서 처음과 끝이 모두 다공체이므로 지우개를 사용할 때 내부공간에 흡입되는 분필가루의 양이 매우 많이 포용력이 크므로 지울때 가루가 날지 아니하고 잘 지워지며, 오래 사용할 수 있고, 지우개를 털때에도 내부와 표면의 이질감이 없어 충격을 받아도 내용물이 튀어나올 염려가 없으며, 쿳션이 풍부하여 상쾌한 마음으로 사용할 수 있고 수명도 오래가는 이점이 있는 것이다.In this invention, the thick nonwoven fabric 3 is formed on the outermost surface of the eraser, and the porous nonwoven fabric 2 is placed on the inner surface thereof, and the base plate 1, which is the base layer, is made of foam. Not only is it elasticity, it is rich in feathers and pores on the surface, and because it is a non-woven fabric, it has a high abrasion force and a porous body at the beginning and end, so the amount of chalk powder sucked into the internal space when using an eraser is very large. When you erase it, it won't fly, it will be erased well, it can be used for a long time, and when you erase the eraser, there is no difference between the inside and the surface, and there is no fear that the contents will pop out even when you are shocked. There is a lasting advantage.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019820004601U KR860000583Y1 (en) | 1982-06-09 | 1982-06-09 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019820004601U KR860000583Y1 (en) | 1982-06-09 | 1982-06-09 | Blackboard eraser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR840000365U KR840000365U (en) | 1984-02-24 |
| KR860000583Y1 true KR860000583Y1 (en) | 1986-04-12 |
Family
ID=19225801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019820004601U KR860000583Y1 (en) | 1982-06-09 | 1982-06-09 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR860000583Y1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102552241B1 (en) * | 2022-06-21 | 2023-07-07 | 주식회사 세영하이텍 | English word learning device that arranges English words by dial operation |
-
1982
- 1982-06-09 KR KR2019820004601U patent/KR860000583Y1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| KR840000365U (en) | 1984-02-24 |
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